72 results on '"Liou DZ"'
Search Results
2. The Society of Thoracic Surgeons Expert Consensus Document on the Surgical Management of Thymomas.
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Liou DZ, Berry MF, Brown LM, Demmy TL, Huang J, Khullar OV, Padda SK, Shah RD, Taylor MD, Toker SA, Weiss E, Wightman SC, Worrell SG, and Hayanga JWA
- Abstract
Competing Interests: Disclosures Sukhmani K. Padda reports a relationship with Takeda, AstraZeneca, Bayer, Amgen, Sanofi Genzyme, Rayze Biotech, Mirati, Janssen, Regeneron, Jazz Pharma, Genentech, Nanobiotix, G1 Therapeutics, Blueprint, Pfizer, and Abbvie that includes: advisory board/consulting; with PER, Curio Science LLC, MECC Global Meetings, and CME Solutions that includes: CME; and with EpicentRx, Bayer, Boehringer-Ingelheim, Bioalta, Takeda, and Amgen that includes: research (paid to institution). The other authors have no conflicts of interest to disclose.
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- 2024
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3. Impacts of Positive Margins and Surgical Extent on Outcomes After Early-Stage Lung Cancer Resection.
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Wong LY, Dale R, Kapula N, Elliott IA, Liou DZ, Backhus LM, Lui NS, Shrager JB, and Berry MF
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- Humans, Male, Female, Aged, Middle Aged, Retrospective Studies, Survival Rate, Treatment Outcome, Lung Neoplasms surgery, Lung Neoplasms pathology, Lung Neoplasms mortality, Pneumonectomy methods, Margins of Excision, Carcinoma, Non-Small-Cell Lung surgery, Carcinoma, Non-Small-Cell Lung mortality, Carcinoma, Non-Small-Cell Lung pathology, Neoplasm Staging
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Background: Sublobar resection of early-stage non-small cell lung cancer (NSCLC) is increasingly considered appropriate but may compromise margins compared with lobectomy. This study evaluated resection extent, margin status, and survival in patients with clinical stage I NSCLC., Methods: Patients with clinical T1-2 N0 M0 NSCLC in the National Cancer Database (2006-2020) who were treated with primary surgery were compared stratified by margin status. The potential benefit of radiation was explored in subgroup analysis of patients who underwent sublobar resection with positive margins., Results: Positive margins occurred in 5089 (2.8%) of 181,824 patients and were more common in sublobar resections compared with lobectomy (4.3% vs 2.4%; P < .001). Sublobar resection had the strongest association with positive margins in multivariable analysis (odds ratio, 2.06; 95% CI, 1.91-2.23; P < .001). Patients with positive margins were more likely to undergo both adjuvant chemotherapy (16% vs 13%; P < .001) and radiation (17% vs 1%; P < .001) but had worse survival in univariate analysis (44.0% 5-year overall survival vs 69.2%; P < .001) and multivariable Cox analysis (hazard ratio, 1.71; 95% CI, 1.63-1.78; P < .001) in the entire cohort, as well as in a univariate subset analysis of lobectomy (46.9% vs 70.4%; P < .001) and sublobar resection (37.5% vs 64.1%; P < .001). Postoperative radiation for patients who underwent sublobar resection with positive margins did not improve 5-year overall survival (36.3% for irradiated patients vs 38.3% for nonirradiated patients; P = .57), and patients who underwent sublobar resection with positive margins who were treated with radiation had survival inferior to that of patients who underwent lobectomy with negative margins., Conclusions: Positive margins occur more frequently after sublobar resection of clinical stage I NSCLC compared with lobectomy. Patients with positive margins have worse survival than patients who undergo complete resection and are not rescued by postoperative radiation., Competing Interests: Disclosures The authors have no conflicts of interest to disclose., (Copyright © 2024 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.)
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- 2024
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4. The Role of Primary Care Providers in Lung Cancer Screening: A Cross-Sectional Survey.
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Wong LY, Kapula N, Kang A, Phadke AJ, Schechtman AD, Elliott IA, Guenthart BA, Liou DZ, Backhus LM, Berry MF, Shrager JB, and Lui NS
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Background: Multidisciplinary lung cancer screening (LCS) programs that perform shared decision-making visits (SDMV) and follow up annual low dose computed tomography (LDCT) have been emerging. We hypothesize that primary care providers (PCPs) prefer to refer patients to LCS programs instead of facilitating the screening process themselves., Methods: This is a mixed-methods, cross-sectional study in which an online survey was administered to PCPs between April 2023 and June 2023., Results: 58 PCPs in the same hospital network participated in the study with a median age of 43 (34-51), predominance of women (77.6%), and clinicians of white and Asian race (44.8% and 48.3%). Respondents estimated that 26.1% (SD 32.4%) of their eligible patients participate in LCS screening. PCPs thought that an LCS program was equally convenient to performing screening themselves for identifying eligible patients and ordering LDCT. However, 63.8% of participants preferred an LCS program for performing SDMVs, 62.1% for ensuring annual follow-up on negative LDCTs, 70.7% for deciding next steps on positive LDCTs, and 60.4% for performing smoking cessation counseling. PCPs agreed that an LCS program saves time (69%), allows patients to receive specialty care (65.6%), addresses patient concerns (70.7%), ensures annual follow-up (77.6%), and manages abnormal findings (79.3%). However, they also expressed concerns about an additional visit for the patient (48.2%) and patient cost (46.5%)., Conclusion: Most PCPs believe that formal LCS programs have many benefits including providing specialized care and follow up, although there were concerns about patient time and cost., (Copyright © 2024 Elsevier Inc. All rights reserved.)
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- 2024
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5. Lepidic-Type Lung Adenocarcinomas: Is It Safe to Observe for Growth Before Treating?
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Wong LY, Elliott IA, Liou DZ, Backhus LM, Lui NS, Shrager JB, and Berry MF
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- Humans, Male, Female, Aged, Middle Aged, Retrospective Studies, Neoplasm Staging, Pneumonectomy methods, Survival Rate trends, Lymphatic Metastasis, Lung Neoplasms pathology, Lung Neoplasms mortality, Lung Neoplasms therapy, Lung Neoplasms surgery, Adenocarcinoma of Lung pathology, Adenocarcinoma of Lung mortality, Adenocarcinoma of Lung surgery
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Background: Lepidic-type adenocarcinomas (LPAs) can be multifocal, and treatment is often deferred until growth is observed. This study investigated the potential downside of that strategy by evaluating the relationship of nodal involvement with tumor size and survival., Methods: The impact of tumor size on lymph node involvement and survival was evaluated for National Cancer Database patients who underwent surgery without induction therapy as primary treatment for cT1-3 N0 M0 histologically confirmed LPA from 2006 to 2019 by using logistic regression, Kaplan-Meier, and Cox analyses., Results: Positive nodes occurred in 442 of 8286 patients (5.3%). The incidence of having positive nodes approximately doubled with each 1-cm increment increase in size. Patients with positive nodes were more likely to have larger tumors (27 mm vs 20 mm, P < .001) and clinical ≥T2 disease (40.7% vs 26.8%, P < .001) compared with node-negative patients. However, tumor size was the only significant independent predictor of having positive nodal disease in logistic regression analysis, and this association grew stronger with each incremental centimeter increase in size. Patients with positive nodes were more likely to undergo adjuvant radiotherapy (23.5% vs 1.1%, P < .001) and chemotherapy (72.9% vs 7.9%, P < .001), and expectedly, had worse survival compared with the node-negative group in univariate (5-year overall survival, 50.9% vs 81.1%, P < .001) and multivariable (hazard ratio, 2.56; 95% CI, 2.14-3.05; P < .001) analyses., Conclusions: Nodal involvement is relatively uncommon in early-stage LPAs but steadily increases with tumor size and is associated with dramatically worse survival. These data can be used to inform treatment decisions when evaluating LPA patients., (Copyright © 2024 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.)
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- 2024
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6. What Is an Adequate Margin During Sublobar Resection of ≤3 cm N0 Subsolid Lung Adenocarcinomas?
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Kamtam DN, Berry MF, Lui NS, Satoyoshi M, Elliott IA, Liou DZ, Guenthart B, Backhus LM, and Shrager JB
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- Humans, Retrospective Studies, Male, Female, Aged, Middle Aged, Neoplasm Recurrence, Local epidemiology, Margins of Excision, Lung Neoplasms surgery, Lung Neoplasms pathology, Lung Neoplasms mortality, Adenocarcinoma of Lung surgery, Adenocarcinoma of Lung pathology, Adenocarcinoma of Lung mortality, Pneumonectomy methods, Neoplasm Staging
- Abstract
Background: Sublobar resection offers noninferior survival vs lobectomy for ≤2 cm non-small cell lung cancer and is commonly used for subsolid tumors. Although data exist for solid tumors, the minimum adequate margin of resection for subsolid adenocarcinomas remains unclear., Methods: This was a retrospective review of 1101 adenocarcinoma resections at our institution from 2006 to 2022. Inclusion criteria were tumors ≤3 cm with ≥10% radiographic ground glass, excised by sublobar resection. Exclusions were positive nodes or positive or unreported margin. The primary outcome was the rate of local recurrence (LR) at multiple thresholds of margin distance. The relationship between margin distance and solid component size was also explored., Results: Inclusion criteria were met by 194 patients. Median (interquartile range) tumor diameter and margin distance were 12 mm (9-17 mm) and 10 mm (5-17 mm), respectively. Median follow-up was 42.5 months. There was a progressive increase in LR with diminishing margin (0.1-cm decrements) from 1.5 cm to 0.5 cm. The difference in the rate of LR between "over" (n = 143) and "under" (n = 51) was most significant at 0.5 cm (8 of 51 [15.7%] vs 6 of 143 [4.2%]; P = .01) but did not reach α adjusted for multiple comparisons. On Cox regression for LR-free survival, margin ≤0.5 cm (P = .19) and solid component percentage (P = .14) trended to significance. Combining these using a ratio of margin distance-to-solid component size, a ratio of ≤1 showed a significantly higher rate of LR (7 [14.3%] vs 2 [2.0%], P = .009). Treatment of LRs provided at least intermediate-term survival in 87% of recurrences (median postrecurrence follow-up was 44 months)., Conclusions: During sublobar resection of subsolid lung adenocarcinomas, a margin distance-to-solid component size ratio of >1.0 appears to be a more reliable factor than margin distance alone to minimize local recurrence. Local recurrence, however, may not impact survival in patients with subsolid adenocarcinomas if timely treatment is administered., Competing Interests: Disclosures Joseph Shrager reports a relationship with Merck & Co Inc that includes: consulting or advisory; with Becton Dickinson and Company that includes: consulting or advisory; and with Varian Medical Systems Inc that includes: funding grants. Leah Backhus reports a relationship with Johnson and Johnson that includes: consulting or advisory; with Bristol-Myers Squibb Co that includes: consulting or advisory; with AstraZeneca that includes: consulting or advisory; and with Genentech that includes: consulting or advisory. Natalie Lui reports a relationship with Intuitive Surgical Inc that includes: consulting or advisory and with Centese that includes: consulting or advisory. The other authors have no conflicts of interest to disclose., (Published by Elsevier Inc.)
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- 2024
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7. Complications of Outpatient Chest Tube Management for Prolonged Air Leaks After Pulmonary Surgery.
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Randle RJ, Bhandari P, He H, Berry MF, Backhus LM, Lui NS, Liou DZ, and Shrager JB
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- Humans, Retrospective Studies, Male, Female, Middle Aged, Aged, Follow-Up Studies, Pneumothorax etiology, Pneumothorax therapy, Prognosis, Lung Neoplasms surgery, Risk Factors, Pulmonary Surgical Procedures adverse effects, Pulmonary Surgical Procedures methods, Outpatients, Pneumonectomy adverse effects, Chest Tubes, Postoperative Complications etiology
- Abstract
Purpose: Air leaks are common after pulmonary surgery. Prolonged air leaks (PALs) may persist through discharge and often are managed with one-way valve devices (OWD). We sought to determine the course and complications of patients discharged with OWDs, risk factors for complications, and to evaluate the utility of clamp trials before chest tube (CT) removal., Methods: Single-institution, retrospective review of patients discharged with a OWD after pulmonary surgery between 2008 and 2022. Charts were examined for the presence of complications and CT duration. Differences in CT duration were compared by using the Wilcoxon rank-sum test., Result: Sixty-four of 1917 (3.3%) pulmonary surgeries resulted in OWD use. Twelve of 64 (19%) patients discharged with a OWD suffered a complication. Nine of 64 (14%) had a CT-related readmission, and seven of 64 (11%) required PAL intervention. Patients sustaining a complication demonstrated longer CT durations before complication compared with duration in patients without complications, with median days of 13 [IQR 6-21] vs. 7 [IQR 6-12], p = 0.04). Five (7.8%) OWD patients developed an empyema; only one (20%) occurred before a CT duration of 14 days. Sixteen of 64 (25%) patients underwent a clamp trial before CT removal. One of ten (10%) failed even with no air leak present, whereas one of six (17%) failed with a present/questionable air leak., Conclusions: One-way valve device use has a substantial complication rate, and chest tube duration is a risk factor. In-hospital interventions might benefit patients with larger leaks that likely require prolonged OWD use. Because clamp trials occasionally fail, we contend that a clamp trial is the safest course before CT removal., (© 2024. Society of Surgical Oncology.)
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- 2024
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8. Barriers to Completing Low Dose Computed Tomography Scan for Lung Cancer Screening.
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Wong LY, Choudhary S, Kapula N, Lin M, Elliott IA, Guenthart BA, Liou DZ, Backhus LM, Berry MF, Shrager JB, and Lui NS
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- Humans, Female, Male, Cross-Sectional Studies, Middle Aged, Aged, Radiation Dosage, Health Knowledge, Attitudes, Practice, Surveys and Questionnaires, Lung Neoplasms diagnostic imaging, Lung Neoplasms diagnosis, Early Detection of Cancer methods, Tomography, X-Ray Computed methods
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Introduction: Annual low-dose computed tomography (LDCT) screening has been shown to reduce lung cancer mortality in high-risk individuals by detecting the disease at an earlier stage. This study aims to assess the barriers to completing LDCT in a cohort of patients who were determined eligible for lung cancer screening (LCS)., Methods: We performed a single institution, mixed methods, cross-sectional study of patients who had a LDCT ordered from July to December 2022. We then completed phone surveys with patients who did not complete LDCT to assess knowledge, attitude, and perceptions toward LCS., Results: We identified 380 patients who met inclusion criteria, including 331 (87%) who completed LDCT and 49 (13%) who did not. Patients who completed a LDCT and those who did not were similar regarding age, sex, race, primary language, household income, body mass index, median pack years, and quit time. Positive predictors of LDCT completion were: meeting USPSTF guidelines (97.9% vs 81.6%), being married (58.3% vs 44.9%), former versus current smokers (55% vs 41.7%), personal history of emphysema (60.4% vs 42.9%), and family history of lung cancer (13.9% vs 4.1%) (all P < .05). Of the patients who participated in the phone survey, only 7% of respondents thought they were high risk for developing lung cancer despite attending a shared decision-making visit and only 10% wanted to re-schedule their LDCT., Conclusion: There exist barriers to completing LDCT even after patients are identified as eligible and complete a shared decision-making visit secondary to knowledge barriers, misperceptions, and patient disinterest., Competing Interests: Disclosure The authors have no conflicts of interest or funding sources related to this manuscript., (Copyright © 2024 The Author(s). Published by Elsevier Inc. All rights reserved.)
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- 2024
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9. Clinical impact of EGFR and KRAS mutations in surgically treated unifocal and multifocal lung adenocarcinoma.
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Jiang J, Berry MF, Lui NS, Liou DZ, Trope WL, Backhus LM, and Shrager JB
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Background: Epidermal growth factor receptor (EGFR) and Kirsten rat sarcoma (KRAS) are the two most common oncogenic drivers in lung adenocarcinoma, and their roles still need further exploration. Here we aimed to compare the clinical impact of EGFR and KRAS mutations on disease progression in resected unifocal and multifocal lung adenocarcinoma., Methods: Clinicopathologic and genomic data were collected for patients who underwent resection of lung adenocarcinoma from 2008 to 2022 at Stanford University Hospital. Retrospective review was performed in 241 patients whose tumors harbored EGFR (n=150, 62.2%) or KRAS (n=91, 37.8%) mutations. Clinical outcome was analyzed with special attention to the natural history of secondary nodules in multifocal cases wherein the dominant tumor had been resected., Results: We confirm that compared with EGFR mutations, patients with KRAS mutations had more smokers, larger tumor size, higher TNM stage, higher positron emission tomography (PET)/computed tomography (CT) standard uptake value max, higher tumor mutation burden, and worse disease-free survival and overall survival on univariate analysis. For patients with multifocal pulmonary nodules, the median follow-up of unresected secondary nodules was 55 months. Secondary nodule progression-free survival (SNPFS) was significantly worse for patients with KRAS mutations than those with EGFR mutations (mean 40.3±6.6 vs. 67.7±6.5 months, P=0.004). Univariate analysis showed tumor size, tumor morphology, pathologic TNM stage, and KRAS mutations were significantly associated with SNPFS, while multivariate analysis showed only KRAS mutations were independently associated with worse SNPFS (hazard ratio 1.752, 95% confidence interval: 1.017-3.018, P=0.043)., Conclusions: Resected lung adenocarcinomas with KRAS mutations have more aggressive clinicopathological features and confer worse prognosis than those with EGFR mutations. Secondary pulmonary nodules in multifocal cases with dominant KRAS -mutant tumors have more rapid progression of the secondary nodules., Competing Interests: Conflicts of Interest: All authors have completed the ICMJE uniform disclosure form (available at https://tlcr.amegroups.com/article/view/10.21037/tlcr-24-165/coif). N.S.L. received research grants with payments from Intuitive Foundation Centese, consulting fees as data safety monitor for clinical trial with payments from Intuitive Surgical, and honoraria for lecture from MEC MMC; W.L.T. purchased stock in these companies (Eli Lilly and Company, Amgen Inc. Kiniksa Pharmaceuticals) several months ago for reasons unrelated to this manuscript; L.M.B. received Research Grant from Department of Veterans Affairs, Chan Zuckerberg Foundation and NIH, and received speaker bureaus/honoraria from MJH Health Sciences, and from Kazan LLP and Craddick LLP for legal expert consulting, and served on Advisory Board for Genentech, Bristol Meyers Squibb, Astra Zeneca and Ethicon/Johnson& Johnson, and served as Board of Directors from Society of Thoracic Surgeons; J.B.S. received payment of consulting on immunotherapy for lung cancer from Astra Zeneca, and was Chair of Society of Thoracic Surgeons Workforce on General Thoracic Surgery (unpaid). The other authors have no conflicts of interest to declare., (2024 Translational Lung Cancer Research. All rights reserved.)
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- 2024
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10. Greater ipsilateral rectus muscle atrophy after robotic thoracic surgery compared with open and video-assisted thoracoscopic surgery approaches.
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Wang Y, Randle RJ, Bhandari P, He H, Trope WL, Guenthart BA, Guo HH, Liou DZ, Backhus LM, Berry MF, Shrager JB, and Lui NS
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Objective: Robotic thoracic surgery provides another minimally invasive approach in addition to video-assisted thoracoscopic surgery (VATS) that yields less pain and faster recovery compared with open surgery. However, robotic incisions are generally placed more inferiorly, which may increase the risk of intercostal nerve injury that affects the abdominal wall. We hypothesized that a robotic approach causes greater ipsilateral rectus muscle atrophy compared with open and VATS approaches., Methods: The cross-sectional area and density of bilateral rectus abdominis muscles were measured on computed tomography scans in patients who underwent lobectomy in 2018. The differences between the contralateral and ipsilateral muscles were compared between preoperative and 6-month surveillance scans. Changes were compared among the open, VATS, and robotic approaches through a mixed effects model after adjustments of correlation and covariates., Results: Of 99 lobectomies, 25 (25.3%) were open, 56 (56.6%) VATS, and 18 (18.1%) robotic. The difference between the contralateral and ipsilateral rectus muscle cross-sectional area was significantly larger at 6 months after robotic surgery compared with open (31.4% vs 9.5%, P = .049) and VATS (31.4% vs 14.1%, P = .021). There were no significant differences in the cross-sectional area between the open and VATS approach., Conclusions: In this retrospective analysis, there was greater ipsilateral rectus muscle atrophy associated with robotic thoracic surgery compared with open or VATS approaches. These findings should be correlated with clinical symptoms and followed to assess for resolution or persistence., Competing Interests: The authors reported no conflicts of interest. The Journal policy requires editors and reviewers to disclose conflicts of interest and to decline handling or reviewing manuscripts for which they may have a conflict of interest. The editors and reviewers of this article have no conflicts of interest., (© 2024 The Author(s).)
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- 2024
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11. Management of Paraesophageal Hernias.
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Randle RJ, Liou DZ, and Lui NS
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- Humans, Fundoplication methods, Herniorrhaphy methods, Hernia, Hiatal surgery, Hernia, Hiatal complications
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Paraesophageal hernias are classified according to the altered anatomic relationships between the gastroesophageal junction or stomach and the diaphragmatic hiatus. Herniation of these structures into the mediastinum may produce common complaints such as reflux, chest pain, and dysphagia. The elective repair of these hernias is well tolerated and significantly improves quality of life among patients with symptomatic disease. The hallmarks of a quality repair include the circumferential mobilization of the esophagus to generate 3 cm of tension-free intra-abdominal length and the performance of a fundoplication., Competing Interests: Disclosure The authors have no financial interests or relationships to disclose., (Copyright © 2024 Elsevier Inc. All rights reserved.)
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- 2024
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12. Outcomes of surgery for catastrophic hiatal hernia presentations.
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Wong LY, Leipzig M, Elliott IA, Liou DZ, Backhus LM, Shrager JB, and Berry MF
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- Humans, Hernia, Hiatal surgery
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- 2024
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13. The Impact of Immunotherapy Use in Stage IIIA (T1-2N2) NSCLC: A Nationwide Analysis.
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Wong LY, Liou DZ, Roy M, Elliott IA, Backhus LM, Lui NS, Shrager JB, and Berry MF
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Introduction: Multiple clinical trials have revealed the benefit of immunotherapy (IO) for NSCLC, including unresectable stage III disease. Our aim was to investigate the impact of IO use on treatment and outcomes of potentially resectable stage IIIA NSCLC in a broader nationwide patient cohort., Methods: We queried the National Cancer Database (2004-2019) for patients with stage IIIA (T1-2N2) NSCLC. Treatment and survival were evaluated with descriptive statistics, logistic regression, Kaplan-Meier analysis, and Cox proportional hazards modeling., Results: Overall, 5.5% (3777 of 68,335) of patients received IO. IO use was uncommon until 2017, but by 2019, it was given to 40.1% (1544 of 2308) of stage IIIA patients. The increased use of IO after 2017 was associated with increased definitive chemoradiation treatment (54.2% [6800 of 12,535] from years 2017 to 2019 versus 46.9% [26,251 of 55,914] from 2004 to 2016, p < 0.001) and less use of surgery (18.1% [2266 of 12,535] from years 2017 to 2019 versus 22.0% [12,300 of 55,914] from 2004 to 2016, p < 0.001). IO treatment was associated with significantly better 5-year survival in the entire cohort (36.9% versus 23.4%, p < 0.001) and the subsets of patients treated with chemoradiation (37.2% versus 22.7%, p < 0.001) and surgery (48.6% versus 44.3%, p < 0.001). Pneumonectomy use decreased with increased IO treatment (5.1% of surgical patients [116 of 2266] from years 2017 to 2019 versus 9.2% [1127 of 12,300] from 2004 to 2016, p < 0.001)., Conclusions: Increased use of IO was associated with a change in treatment patterns and improved survival for patients with stage IIIA(N2) NSCLC., Competing Interests: The authors delcare no conflict of interest., (© 2024 The Authors.)
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- 2024
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14. Impact of guideline therapy on survival of patients with stage I-III epithelioid mesothelioma.
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Liou DZ, Wang Y, Bhandari P, Shrager JB, Lui NS, Backhus LM, and Berry MF
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Background: Modern treatment guidelines recommend multimodal therapy with at least chemotherapy and surgery for patients with potentially resectable epithelioid mesothelioma. This study evaluated guideline compliance for patients with stage I-III epithelioid mesothelioma and tested the hypothesis that guideline-concordant therapy improved survival., Methods: The National Cancer Database was queried for patients with stage I-III epithelioid malignant pleural mesothelioma between 2004 and 2016. The impact of therapy was evaluated using logistic regression, Kaplan-Meier analysis, Cox-proportional hazards analysis, and propensity-scoring methods., Results: During the study period, guideline-concordant therapy was used in 677 patients (19.1%), and 2,857 patients (80.8%) did not have guideline-concordant therapy. Younger age, being insured, living in a census tract with a higher income, clinical stage, and being treated at an academic or research program were all predictors of receiving guideline-concordant therapy in multivariable analysis. Guideline-concordant therapy yielded improved median survival [24.7 (22.4-26.1) vs. 13.7 (13.2-14.4) months] and 5-year survival [17.7% (14.7-21.3%) vs. 8.0% (7.0-9.3%)] (P<0.001), and continued to be associated with better survival in both multivariable analysis and propensity-matched analysis. In the patients who received guideline therapy, median survival [24.9 (21.9-27.2) vs. 24.5 (21.7-28.1) months] and 5-year survival [14.9% (10.9-20.2%) vs. 20.1% (16.0-25.4%)] was not significantly different between patients who underwent induction (n=304) versus adjuvant (n=373) chemotherapy (P=0.444)., Conclusions: Guideline-concordant therapy for potentially resectable epithelioid mesothelioma is associated with significantly improved survival but used in a minority of patients. The timing of chemotherapy with surgery in this study did not have a significant impact on overall survival., Competing Interests: Conflicts of Interest: All authors have completed the ICMJE uniform disclosure form (available at https://jtd.amegroups.com/article/view/10.21037/jtd-23-1334/coif). N.S.L. serves as an unpaid editorial board member of Journal of Thoracic Disease from September 2023 to August 2025. M.F.B. serves as an unpaid editorial board member of Journal of Thoracic Disease from October 2022 to September 2024. L.M.B. has received grant funding from the United States Department of Veterans Affairs, the National Institutes of Health, and the Chan Zuckerberg Institute. She has received royalties from Bristol Squibb Myers, and consulting fees from Genentech and Johnson & Johnson, as well as speaker honoraria from the International Lung Cancer Congress. None of these activities are related to the topic of this manuscript. The other authors have no conflicts of interest to declare., (2023 Journal of Thoracic Disease. All rights reserved.)
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- 2023
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15. Impact of hyperthermic intrathoracic chemotherapy (HITHOC) during resection of pleural mesothelioma on patient survival.
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Elliott IA, He H, Lui NS, Liou DZ, Guenthart BA, Shrager JB, Berry MF, and Backhus LM
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Background: Pleural mesothelioma (PM) is rare but portends a poor prognosis. Multimodal treatment, including aggressive surgical resection, may offer the best chance of treatment response and improved survival. Single-center studies suggest that hyperthermic intrathoracic chemotherapy (HITHOC) during surgical resection improves outcomes, but the impact of HITHOC on postoperative morbidity and survival has not been examined on a larger scale., Methods: The National Cancer Database was queried for patients undergoing resection for PM from 2006-2017. Patients were excluded if staging or survival data was incomplete. After propensity-score matching, patients who underwent HITHOC were compared to patients who did not (case-control study). Perioperative outcomes and survival were analyzed., Results: The final cohort consisted of 3,232 patients; of these, 365 patients underwent HITHOC. After propensity-score matching, receipt of HITHOC was associated with increased length of stay (12 vs. 7 days, P<0.001) and increased 30-day readmissions (9.9% vs. 4.9%, P=0.007), but decreased 30-day mortality (3.2% vs. 6.0%, P=0.017) and 90-day mortality (7.5% vs. 10.9%). Kaplan-Meier modeling demonstrated that HITHOC was associated with improved survival in the overall cohort (median 20.5 vs. 16.8 months, P=0.001). In multivariable analysis, HITHOC remained associated with improved overall survival [hazard ratio (HR) =0.80; 95% confidence interval (CI): 0.69-0.92; P=0.002], and this persisted in the propensity-matched analysis (HR =0.73; 95% CI: 0.61-0.88; P=0.001)., Conclusions: Using a large national database, we describe the impact of HITHOC on survival in patients with PM. Despite observed increased short-term morbidity, in multivariable analysis HITHOC was associated with an overall survival advantage for patients undergoing surgical resection of PM., Competing Interests: Conflicts of Interest: All authors have completed the ICMJE uniform disclosure form (available at https://jtd.amegroups.com/article/view/10.21037/jtd-23-466/coif). N.S.L. serves as an unpaid editorial board member of Journal of Thoracic Disease from September 2021 to August 2023. M.F.B. serves as an unpaid editorial board member of Journal of Thoracic Disease from October 2022 to September 2024. The other authors have no conflicts of interest to declare., (2023 Journal of Thoracic Disease. All rights reserved.)
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- 2023
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16. Surgical revision of the postesophagectomy gastric conduit to address poor emptying.
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Wong LY, Rivera MF, Liou DZ, and Berry MF
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Introduction: The configuration of the gastric conduit after esophagectomy can lead to chronic gastrointestinal and respiratory issues. Surgical revision of the gastric conduit has been described in small series but appears to be infrequently used. We investigated outcomes of revising dilated or redundant conduit in patients with severe quality-of-life issues., Methods: We identified all patients from 2016 to 2022 at our institution who underwent gastric conduit revision after previous esophagectomy either at our or another institution. Chart review was performed to assess prerevision course and perioperative outcomes. Pre- and postrevision imaging was compared for all patients to assess the impact of surgery on anatomic configuration. Patient-reported gastrointestinal and respiratory issues before and after surgery were examined., Results: The use of right thoracotomy combined with laparotomy to reduce redundancy and improve gastric emptying was performed in 8 patients. The symptoms necessitating reoperation included intolerance to oral intake and poor gastric emptying associated with both acute and chronic aspiration episodes. The median length of stay was 8 [4, 25] days, and there were no perioperative mortalities. Seven (87.5%) patients were tolerating oral intake at discharge. All patients had improvement in their prerevision symptoms on follow-up., Conclusions: Gastric conduit revision can improve severe postesophagectomy gastrointestinal and respiratory symptoms in patients with dilated/redundant conduits with limited perioperative morbidity., Competing Interests: The authors reported no conflicts of interest. The Journal policy requires editors and reviewers to disclose conflicts of interest and to decline handling or reviewing manuscripts for which they may have a conflict of interest. The editors and reviewers of this article have no conflicts of interest., (© 2023 The Author(s).)
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- 2023
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17. Risk of developing subsequent primary lung cancer after receiving radiation for breast cancer.
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Wong LY, Kapula N, He H, Guenthart BA, Vitzthum LK, Horst K, Liou DZ, Backhus LM, Lui NS, Berry MF, Shrager JB, and Elliott IA
- Abstract
Background: Radiotherapy (RT) is integral to breast cancer treatment, especially in the current era that emphasizes breast conservation. The aim of our study was to determine the incidence of subsequent primary lung cancer after RT exposure for breast cancer over a time span of 3 decades to quantify this risk over time as modern oncologic treatment continues to evolve., Methods: The SEER (Surveillance, Epidemiology, and End Results) database was queried from 1988 to 2014 for patients diagnosed with nonmetastatic breast cancer. Patients who subsequently developed primary lung cancer were identified. Multivariable regression modeling was performed to identify independent factors associated with the development of lung cancer stratified by follow up intervals of 5 to 9 years, 10 to 15 years, and >15 years after breast cancer diagnosis., Results: Of the 612,746 patients who met our inclusion criteria, 319,014 (52%) were irradiated. primary lung cancer developed in 5556 patients (1.74%) in the RT group versus 4935 patients (1.68%) in the non-RT group. In a multivariable model stratified by follow-up duration, the overall HR of developing subsequent ipsilateral lung cancer in the RT group was 1.14 ( P = .036) after 5 to 9 years of follow-up, 1.28 ( P = .002) after 10 to 15 years of follow-up, and 1.30 ( P = .014) after >15 years of follow-up. The HR of contralateral lung cancer was not increased at any time interval., Conclusions: The increased risk of developing a primary lung cancer secondary to RT exposure for breast cancer is much lower than previously published. Modern RT techniques may have contributed to the improved risk profile, and this updated study is important for counseling and surveillance of breast cancer patients., Competing Interests: The authors reported no conflicts of interest. The Journal policy requires editors and reviewers to disclose conflicts of interest and to decline handling or reviewing manuscripts for which they may have a conflict of interest. The editors and reviewers of this article have no conflicts of interest., (© 2023 The Author(s).)
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- 2023
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18. Characterization of Epidural Analgesia Interruption and Associated Outcomes After Esophagectomy.
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Byrd CT, Kim RK, Manapat P, He H, Tsui BCH, Shrager JB, Berry MF, Backhus LM, Lui NS, and Liou DZ
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- Humans, Female, Esophagectomy adverse effects, Anastomotic Leak etiology, Retrospective Studies, Postoperative Complications epidemiology, Postoperative Complications etiology, Postoperative Complications surgery, Analgesia, Epidural adverse effects, Esophageal Neoplasms surgery, Esophageal Neoplasms complications, Hypotension epidemiology, Hypotension etiology
- Abstract
Introduction: Interruption of thoracic epidural analgesia may impact the postoperative course following esophagectomy. This study investigates the incidence and causes of epidural interruption in esophagectomy patients along with associated postoperative outcomes., Methods: This single-institution retrospective analysis examined patients undergoing esophagectomy who received a thoracic epidural catheter from 2016 to 2020. Patients were stratified according to whether epidural catheter infusion was interrupted or not postoperatively. Outcomes were compared between the two groups, and predictors of epidural interruption and postoperative complications were estimated using multivariable logistic regression., Results: Of the 168 patients who received a thoracic epidural before esophagectomy, 60 (35.7%) required epidural interruption and 108 (64.3%) did not. Interruption commonly occurred on postoperative day 1 and was due to hypotension 80% of the time. Heart failure (10.0% versus 0.9%, P = 0.009), atrial fibrillation (20.0% versus 3.7%, P = 0.002), preoperative opioid use (30.0% versus 16.7%, P = 0.043), and higher American Society of Anesthesiology classification (88.4% versus 70.4%, P = 0.008) were more prevalent in the epidural interruption cohort. The female gender was associated with epidural interruption on multivariable logistic regression (adjusted odds ratio [AOR] 2.45, P = 0.039). Patients in the epidural interruption cohort had a higher incidence of delirium (30.5% versus 13.9%, P = 0.010), sepsis (13.6% versus 3.7%, P = 0.028), and severe anastomotic leak (18.3% versus 7.4%, P = 0.032). On adjusted analysis, heart disease (AOR 4.26, P = 0.027), BMI <18.5 (AOR 9.83, P = 0.031), and epidural interruption due to hypotension (AOR 3.51, P = 0.037) were associated with severe anastomotic leak., Conclusions: Early epidural interruption secondary to hypotension in esophagectomy patients may be a harbinger of postoperative complications such as sepsis and severe anastomotic leak. Patients requiring epidural interruption due to hypotension should have a low threshold for additional workup and early intervention., (Copyright © 2023 Elsevier Inc. All rights reserved.)
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- 2023
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19. The impact of refusing esophagectomy for treatment of locally advanced esophageal adenocarcinoma.
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Wong LY, Elliott IA, Liou DZ, Backhus LM, Lui NS, Shrager JB, and Berry MF
- Abstract
Objective: Patients with esophageal cancer may be reluctant to proceed with surgery due to high complication rates. This study aims to compare outcomes between eligible surgical candidates who proceeded with surgery versus those who refused surgery., Methods: Characteristics and survival of patients with locally advanced (cT3N0M0, cT1-3N+M0) mid-/distal esophageal adenocarcinoma in the National Cancer Database (2006-2019) who either proceeded with or refused surgery after chemoradiotherapy were evaluated with logistic regression, Kaplan-Meier curves, and Cox proportional hazards methods., Results: Of the 13,594 patients included in the analysis, 595 (4.4%) patients refused esophagectomy. Patients who refused surgery were older, had less distance to travel to their treatment facility, were more likely to have cN0 disease, and were more likely to be treated at a community rather than academic or integrated network program, but did not have significantly different comorbid disease distributions. On multivariable analysis, refusing surgery was independently associated with older age, uninsured, lower income, less distance to a hospital, and treatment in a community program versus an academic/research or integrated network program. Esophagectomy was associated with better survival (5-year survival 40.1% [39.2-41] vs 23.6% [19.9-27.9], P < .001) and was also independently associated with better survival in the Cox model (hazard rate, 0.78 [95% confidence interval, 0.7-0.87], P < .001)., Conclusions: The results of this study can inform selected patients with resectable esophageal adenocarcinoma that their survival will be significantly diminished if surgery is not pursued. Many factors associated with refusing surgery are non-clinical and suggest that access to or support for care could influence patient decisions., (© 2023 The Author(s).)
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- 2023
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20. Surgical Management of Esophageal Perforation: Examining Trends in a Multi-Institutional Cohort.
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Wong LY, Leipzig M, Liou DZ, Backhus LM, Lui NS, Shrager JB, and Berry MF
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- Humans, Retrospective Studies, Morbidity, Drainage adverse effects, Esophageal Perforation etiology, Esophageal Perforation surgery
- Abstract
Background: Esophageal perforations historically are associated with significant morbidity and mortality and generally require emergent intervention. The influence of improved diagnostic and therapeutic modalities available in recent years on management has not been examined. This study examined the surgical treatments and outcomes of a modern cohort., Methods: Patients with esophageal perforation management in the 2005-2020 American College of Surgeons National Surgical Quality Improvement Program database were stratified into three eras (2005-2009, 2010-2014, and 2015-2020). Surgical management was classified as primary repair, resection, diversion, or drainage alone based on procedure codes. The distribution of procedure use, morbidity, and mortality across eras was examined., Results: Surgical management of 378 identified patients was primary repair (n=193,51%), drainage (n=89,24%), resection (n=70,18%), and diversion (n=26,7%). Thirty-day mortality in the cohort was 9.5% (n=36/378) and 268 patients (71%) had at least one complication. The median length of stay was 15 days. Both morbidity (Era 1 65% [n=42/60] versus Era 2 69% [n=92/131] versus Era 3 72% [n=135/187], p=0.3) and mortality (Era 1 11% [n=7/65] versus Era 2 9% [n=12/131] versus Era 3 10% [n=19/187], p=0.9) did not change significantly over the three defined eras. Treatment over time evolved such that primary repair was more frequently utilized (43% in Era 1 to 51% in Era 3) while diversion was less often performed (13% in Era 1 to 7% in Era 3) (p=0.009)., Conclusions: Esophageal perforation management in recent years uses diversion less often but remains associated with significant morbidity and mortality., (© 2023. The Society for Surgery of the Alimentary Tract.)
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- 2023
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21. Comparison of failure to rescue in younger versus elderly patients following lung cancer resection.
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Wang Y, Kapula N, Yang CJ, Manapat P, Elliott IA, Guenthart BA, Lui NS, Backhus LM, Berry MF, Shrager JB, and Liou DZ
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Objective: Failure to rescue (FTR), defined as in-hospital death following a major complication, has been increasingly studied in patients who undergo cardiothoracic surgery. This study tested the hypothesis that elderly patients undergoing lung cancer resection have greater rates of FTR compared with younger patients., Methods: Patients who underwent surgery for primary lung cancer between 2011 and 2020 and had at least 1 major postoperative complication were identified using the National Surgical Quality Improvement Program database. Patients who died following complications (FTR) were compared with those who survived in an elderly (80+ years) and younger (<80 years) cohort., Results: Of the 2823 study patients, the younger cohort comprised 2497 patients (FTR: n = 139 [5.6%]), whereas the elderly cohort comprised 326 patients (FTR: n = 39 [12.0%]). Pneumonia was the most common complication in younger (877/2497, 35.1%) and elderly patients (118/326, 36.2%) but was not associated with FTR on adjusted analysis. Increasing age was associated with FTR (adjusted odds ratio [AOR], 1.55 per decade, P < .001), whereas unplanned reoperation was associated with reduced risk (AOR, 0.55, P = .01). Within the elderly cohort, surgery conducted by a thoracic surgeon was associated with lower FTR risk (AOR, 0.29, P = .028)., Conclusions: FTR following lung cancer resection was more frequent with increasing age. Pneumonia was the most common complication but not a predictor of FTR. Unplanned reoperation was associated with reduced FTR, as was treatment by a thoracic surgeon for elderly patients. Surgical therapy for complications after lung cancer resection and elderly patients managed by a thoracic specialist may mitigate the risk of death following an adverse postoperative event., (© 2023 The Author(s).)
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- 2023
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22. p53 governs an AT1 differentiation programme in lung cancer suppression.
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Kaiser AM, Gatto A, Hanson KJ, Zhao RL, Raj N, Ozawa MG, Seoane JA, Bieging-Rolett KT, Wang M, Li I, Trope WL, Liou DZ, Shrager JB, Plevritis SK, Newman AM, Van Rechem C, and Attardi LD
- Subjects
- Animals, Mice, Mice, Knockout, Alleles, Gene Expression Profiling, Chromatin Assembly and Disassembly, DNA metabolism, Lung Injury genetics, Lung Injury metabolism, Lung Injury pathology, Disease Progression, Cell Lineage, Regeneration, Cell Self Renewal, Alveolar Epithelial Cells cytology, Alveolar Epithelial Cells metabolism, Alveolar Epithelial Cells pathology, Cell Differentiation, Lung cytology, Lung metabolism, Lung pathology, Lung Neoplasms genetics, Lung Neoplasms metabolism, Lung Neoplasms pathology, Lung Neoplasms prevention & control, Tumor Suppressor Protein p53 deficiency, Tumor Suppressor Protein p53 genetics, Tumor Suppressor Protein p53 metabolism
- Abstract
Lung cancer is the leading cause of cancer deaths worldwide
1 . Mutations in the tumour suppressor gene TP53 occur in 50% of lung adenocarcinomas (LUADs) and are linked to poor prognosis1-4 , but how p53 suppresses LUAD development remains enigmatic. We show here that p53 suppresses LUAD by governing cell state, specifically by promoting alveolar type 1 (AT1) differentiation. Using mice that express oncogenic Kras and null, wild-type or hypermorphic Trp53 alleles in alveolar type 2 (AT2) cells, we observed graded effects of p53 on LUAD initiation and progression. RNA sequencing and ATAC sequencing of LUAD cells uncovered a p53-induced AT1 differentiation programme during tumour suppression in vivo through direct DNA binding, chromatin remodelling and induction of genes characteristic of AT1 cells. Single-cell transcriptomics analyses revealed that during LUAD evolution, p53 promotes AT1 differentiation through action in a transitional cell state analogous to a transient intermediary seen during AT2-to-AT1 cell differentiation in alveolar injury repair. Notably, p53 inactivation results in the inappropriate persistence of these transitional cancer cells accompanied by upregulated growth signalling and divergence from lung lineage identity, characteristics associated with LUAD progression. Analysis of Trp53 wild-type and Trp53-null mice showed that p53 also directs alveolar regeneration after injury by regulating AT2 cell self-renewal and promoting transitional cell differentiation into AT1 cells. Collectively, these findings illuminate mechanisms of p53-mediated LUAD suppression, in which p53 governs alveolar differentiation, and suggest that tumour suppression reflects a fundamental role of p53 in orchestrating tissue repair after injury., (© 2023. The Author(s), under exclusive licence to Springer Nature Limited.)- Published
- 2023
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23. Tracheal stenosis and airway complications in the Coronavirus Disease-19 era.
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Krishnan A, Guenthart BA, Choi A, Trope W, Berry GJ, Pinezich MR, Vunjak-Novakovic G, Shaller B, Sung CK, Liou DZ, Damrose EJ, and Lui NS
- Abstract
Background: Severe Coronavirus Disease 2019 (COVID-19) infection is associated with prolonged intubation and its complications. Tracheal stenosis is one such complication that may require specialized surgical management. We aimed to describe the surgical management of post-COVID-19 tracheal stenosis., Methods: This case series describes consecutive patients with tracheal stenosis from intubation for severe COVID-19 infection at our single, tertiary academic medical center between January 1
st , 2021, and December 31st , 2021. Patients were included if they underwent surgical management with tracheal resection and reconstruction, or bronchoscopic intervention. Operative through six-month, symptom-free survival and histopathological analysis of resected trachea were reviewed., Results: Eight patients are included in this case series. All patients are female, and most (87.5%) are obese. Five patients (62.5%) underwent tracheal resection and reconstruction (TRR), while three patients (38.5%) underwent non-resection-based management. Among patients who underwent TRR, six-month symptom free survival is 80%; one patient (20%) required tracheostomy after TRR due to recurrent symptoms. Two of the three (66.7%) of patients who underwent non-resection-based management experienced durable relief from symptoms of tracheal stenosis with tracheal balloon dilation, and the remaining patient required laser excision of tracheal tissue prior to experiencing symptomatic relief., Conclusions: The incidence of tracheal stenosis may increase as patients recover from severe COVID-19 infection requiring intubation. Management of tracheal stenosis with TRR is safe and effective, with comparable rates of success to TRR for non-COVID-19 tracheal stenosis. Non-resection-based management is an option to manage tracheal stenosis in patients with less severe stenosis or in poor surgical candidates., (© 2023 The Author(s).)- Published
- 2023
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24. The impact of neoadjuvant immunotherapy on perioperative outcomes and survival after esophagectomy for esophageal cancer.
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Wong LY, Liou DZ, Backhus LM, Lui NS, Shrager JB, and Berry MF
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Objective: Immunotherapy for esophageal cancer is relatively novel but increasingly used. This study evaluated the early use of immunotherapy as an adjunct to neoadjuvant chemoradiotherapy before esophagectomy for locally advanced disease., Methods: Perioperative morbidity (composite of mortality, hospitalization ≥21 days, or readmission) and survival of patients with locally advanced (cT3N0M0, cT1-3N + M0) distal esophageal cancer in the National Cancer Database from 2013 to 2020 who underwent neoadjuvant immunotherapy plus chemoradiotherapy or chemoradiotherapy alone followed by esophagectomy were evaluated using logistic regression, Kaplan-Meier curves, Cox proportional hazards methods, and propensity-matched analysis., Results: Immunotherapy was used in 165 (1.6%) of 10,348 patients. Younger age (odds ratio, 0.66; 95% confidence interval, 0.53-0.81; P < .001) predicted immunotherapy use, which slightly delayed time from diagnosis to surgery versus chemoradiation alone (immunotherapy 148 [interquartile range, 128-177] days vs chemoradiation 138 [interquartile range, 120-162] days, P < .001). There were no statistically significant differences between the immunotherapy and chemoradiation groups for the composite major morbidity index (14.5% [24/165] vs 15.6% [1584/10,183], P = .8). Immunotherapy was associated with a significant improvement in median overall survival (69.1 months vs 56.3 months, P = .005) and 3-year overall survival in univariate analysis (65.6% [95% confidence interval, 57.7-74.5] vs 55.0% [53.9-56.1], P = .005), and independently predicted improved survival in multivariable analysis (hazard ratio 0.68 [95% confidence interval, 0.52-0.89], P = .006). Propensity-matched analysis also showed that immunotherapy use was not associated with increased surgical morbidity ( P = .5) but was associated with improved survival ( P = .047)., Conclusions: Neoadjuvant immunotherapy use before esophagectomy for locally advanced esophageal cancer did not lead to worse perioperative outcomes and shows promising results on midterm survival., (© 2023 The Author(s).)
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- 2023
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25. Impact of Delaying Surgery After Chemoradiation on Outcomes for Locally Advanced Esophageal Squamous Cell Carcinoma.
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Wong LY, Liou DZ, Vitzthum LK, Backhus LM, Lui NS, Chang D, Shrager JB, and Berry MF
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- Humans, Chemoradiotherapy, Proportional Hazards Models, Esophagectomy methods, Neoplasm Staging, Treatment Outcome, Retrospective Studies, Esophageal Squamous Cell Carcinoma pathology, Esophageal Neoplasms pathology, Carcinoma, Squamous Cell pathology
- Abstract
Background: Performing selective esophagectomy for locally advanced squamous cell carcinoma may spare patients morbidity, but delayed surgery may infer higher risks. This study evaluated the impact of length of time between chemoradiation and esophagectomy on perioperative outcomes and long-term survival., Methods: The impact of surgical timing, stratified by surgery performed < 180 and ≥ 180 days from starting radiation, on perioperative outcomes and survival in patients treated with chemoradiation and esophagectomy for cT1N + M0 and cT2-4, any N, M0 squamous cell carcinoma of the mid-distal esophagus in the National Cancer Database (2006-2016) was evaluated with logistic regression, Kaplan-Meier curves, Cox proportional-hazards methods, and propensity-matched analysis., Results: Median time between starting radiation and esophagectomy in 1641 patients was 93 (IQR 81-114) days. Most patients (96.8%, n = 1589) had surgery within 180 days of starting radiation, while 52 patients (3.2%) had delayed surgery. Black race and clinical T stage were associated with delayed surgery. Rates of pathologic upstaging, downstaging, complete response, and positive margins were not significantly different between the groups. Patients with delayed surgery had increased major morbidity as measured by a composite of length of hospital stay, readmission, and 30-day mortality [42.3% (22/52) vs 22.3% (355/1589), p = 0.001]. However, delayed surgery was not associated with a significant difference in survival in both univariate [5-year survival 32.8% (95% CI 21.1-50.7) vs 47.3% (44.7-50.1), p = 0.19] and multivariable analysis [hazard ratio (HR) 1.23 (0.85-1.78), p = 0.26]., Conclusions: Delaying surgery longer than 180 days after starting chemoradiation for esophageal squamous cell carcinoma is associated with worse perioperative outcomes but not long-term survival., (© 2022. Society of Surgical Oncology.)
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- 2023
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26. Commentary: A guide for what we know and what still needs to be learned.
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Liou DZ
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- 2023
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27. Half of Anastomotic Leaks After Esophagectomy Are Undetected on Initial Postoperative Esophagram.
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Elliott IA, Berry MF, Trope W, Lui NS, Guenthart BA, Liou DZ, Whyte RI, Backhus LM, and Shrager JB
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- Humans, Esophagectomy, Retrospective Studies, Anastomosis, Surgical, Postoperative Complications surgery, Anastomotic Leak surgery, Esophageal Neoplasms surgery
- Abstract
Background: The sensitivity of fluoroscopic esophagography with oral administration of contrast material to exclude anastomotic leak after esophagectomy is not well documented, and the consequences of missing a leak in this setting have not been previously described., Methods: We performed a retrospective cohort study of a prospectively maintained institutional database of patients undergoing esophagectomy with esophagogastric anastomosis from 2008 to 2020. Relevant details of leaks, management, and outcomes were obtained from the database and formal chart review. Statistical analysis was performed to compare patients with and without leaks and those with false-negative vs positive esophagrams., Results: There were 384 patients who underwent esophagectomy with gastric reconstruction; the majority were Ivor-Lewis (82%), and 51% were wholly or partially minimally invasive. By use of a broad definition of leak, 55 patients (16.7%) developed an anastomotic leak. Of the 55 patients, 27 (49%) who ultimately were found to have a leak initially had a normal esophagram result (performed on average on postoperative day 6). Those with a normal initial esophagram result were more likely to have an uncontained leak (81% vs 29%; P < .01), to require unplanned readmission (70% vs 39%; P = .02), and to undergo reoperation (44% vs 11%; P < .01)., Conclusions: Early postoperative esophagrams intended to evaluate anastomotic integrity have a low sensitivity of 51%, and leaks missed on the initial esophagram have greater clinical consequences than those identified on the initial esophagram. These findings suggest that a high index of suspicion must be maintained even after a normal esophagram result and call into question the common practice of using this test to triage patients for diet advancement., (Copyright © 2023 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.)
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- 2023
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28. Treatment and Outcomes of Proximal Esophageal Squamous Cell Carcinoma.
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Patel DC, Yang CJ, Liou DZ, and Berry MF
- Subjects
- Humans, Male, Chemoradiotherapy, Survival Analysis, Treatment Outcome, Retrospective Studies, Neoplasm Staging, Esophageal Squamous Cell Carcinoma pathology, Esophageal Neoplasms pathology
- Abstract
Introduction: This study evaluated the treatment of proximal (cervical or upper thoracic) esophageal squamous cell carcinoma (SCC), for which chemoradiation is the recommended therapy., Methods: Treatment and outcomes of patients with cT1-3N0-1M0 proximal esophageal SCC in the National Cancer Database between 2004 and 2016 was evaluated using logistic regression, Kaplan-Meier analysis, and propensity-score matching., Results: Therapy of 2159 patients was chemoradiation (n = 1500, 69.5%), no treatment (n = 205, 9.5%), surgery (n = 203, 9.4%), radiation alone (n = 190, 8.8%), and chemotherapy alone (n = 61, 2.8%). Factors associated with definitive therapy with either chemoradiation or surgery were younger age, non-Black race, being insured, cervical tumor location, clinical T2 and T3 stage, clinical nodal involvement, and treatment at a research/academic program. Five-year survival was significantly better in patients treated with definitive therapy than patients not treated definitively (34.0% vs. 13.3%, p < 0.001). In multivariable survival analysis, receiving definitive therapy (hazard ratio [HR] 0.39, p = 0.017) was associated with improved survival, while increasing age, male sex, clinical T3 stage, positive clinical nodal involvement, and increasing Charlson Comorbidity Index were associated with worse survival. Esophagectomy was not associated with improved survival in multivariable analysis of the definitive therapy cohort (HR 0.84, p = 0.08) or propensity matched analysis. However, the pathologic complete response was only 33.3% (40/120) for patients who did have an esophagectomy after chemoradiation., Conclusions: This national analysis supports definitive chemoradiation for not only cervical but also proximal thoracic esophageal SCC. Routine surgery does not appear to be necessary but may have a role in patients with residual disease after chemoradiation., (© 2022. Society of Surgical Oncology.)
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- 2023
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29. Positron emission tomography/computed tomography differentiates resectable thymoma from anterior mediastinal lymphoma.
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Byrd CT, Trope WL, Bhandari P, Konsker HB, Moradi F, Lui NS, Liou DZ, Backhus LM, Berry MF, and Shrager JB
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- Humans, Retrospective Studies, Reproducibility of Results, Positron Emission Tomography Computed Tomography, Positron-Emission Tomography methods, Fluorodeoxyglucose F18, Radiopharmaceuticals, Thymoma diagnostic imaging, Thymoma surgery, Thymoma pathology, Thymus Neoplasms diagnostic imaging, Thymus Neoplasms surgery, Thymus Neoplasms pathology, Mediastinal Neoplasms diagnostic imaging, Mediastinal Neoplasms surgery, Mediastinal Neoplasms pathology, Lymphoma diagnostic imaging, Lymphoma surgery
- Abstract
Objective: Discrete anterior mediastinal masses most often represent thymoma or lymphoma. Lymphoma treatment is nonsurgical and requires biopsy. Noninvasive thymoma is ideally resected without biopsy, which may potentiate pleural metastases. This study sought to determine if clinical criteria or positron emission tomography/computed tomography could accurately differentiate the 2, guiding a direct surgery versus biopsy decision., Methods: A total of 48 subjects with resectable thymoma and 29 subjects with anterior mediastinal lymphoma treated from 2006 to 2019 were retrospectively examined. All had pretreatment positron emission tomography/computed tomography and appeared resectable (solitary, without clear invasion or metastasis). Reliability of clinical criteria (age and B symptoms) and positron emission tomography/computed tomography maximum standardized uptake value were assessed in differentiating thymoma and lymphoma using Wilcoxon rank-sum test, chi-square test, and logistic regression. Receiver operating characteristic analysis identified the maximum standardized uptake value threshold most associated with thymoma., Results: There was no association between tumor type and age group (P = .183) between those with thymoma versus anterior mediastinal lymphoma. Patients with thymoma were less likely to report B symptoms (P < .001). The median maximum standardized uptake value of thymoma and lymphoma differed dramatically: 4.35 versus 18.00 (P < .001). Maximum standardized uptake value was independently associated with tumor type on multivariable regression. On receiver operating characteristic analysis, lower maximum standardized uptake value was associated with thymoma. Maximum standardized uptake value less than 12.85 was associated with thymoma with 100.00% sensitivity and 88.89% positive predictive value. Maximum standardized uptake value less than 7.50 demonstrated 100.00% positive predictive value for thymoma., Conclusions: Positron emission tomography/computed tomography maximum standardized uptake value of resectable anterior mediastinal masses may help guide a direct surgery versus biopsy decision. Tumors with maximum standardized uptake value less than 7.50 are likely thymoma and thus perhaps appropriately resected without biopsy. Tumors with maximum standardized uptake value greater than 7.50 should be biopsied to rule out lymphoma. Lymphoma is likely with maximum standardized uptake value greater than 12.85., (Copyright © 2022 The American Association for Thoracic Surgery. Published by Elsevier Inc. All rights reserved.)
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- 2023
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30. Lobar versus sublobar resection in clinical stage IA primary lung cancer with occult N2 disease.
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Liou DZ, Chan M, Bhandari P, Lui NS, Backhus LM, Shrager JB, and Berry MF
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- Female, Humans, Neoplasm Staging, Pneumonectomy, Proportional Hazards Models, Retrospective Studies, Treatment Outcome, Carcinoma, Non-Small-Cell Lung pathology, Lung Neoplasms
- Abstract
Objectives: Sublobar resection is increasingly being utilized for early-stage lung cancers, but optimal management when final pathology shows unsuspected mediastinal nodal disease is unclear. This study tested the hypothesis that lobectomy has improved survival compared to sublobar resection for clinical stage IA tumours with occult N2 disease., Methods: The use of sublobar resection and lobectomy for patients in the National Cancer Database who underwent primary surgical resection for clinical stage IA non-small-cell lung cancer with pathologic N2 disease between 2010 and 2017 was evaluated using logistic regression. Survival was assessed with Kaplan-Meier analysis, log-rank test and Cox proportional hazards model., Results: A total of 2419 patients comprised the study cohort, including 320 sublobar resections (13.2%) and 2099 lobectomies (86.8%). Older age, female sex, smaller tumour size and treatment at an academic facility predicted the use of sublobar resection. Patients undergoing lobectomy had larger tumours (2.40 vs 2.05 cm, P < 0.001) and more lymph nodes examined (11 vs 5, P < 0.001). Adjuvant chemotherapy use was similar between the 2 groups (sublobar 79.4% vs lobectomy 77.4%, P = 0.434). Sublobar resection was not associated with worse survival compared to lobectomy in both univariate (5-year survival 46.6% vs 45.2%, P = 0.319) and multivariable Cox proportional hazards analysis (hazard ratio 0.97, P = 0.789)., Conclusions: Clinical stage IA non-small-cell lung cancer patients with N2 disease on final pathology have similar long-term survival with either sublobar resection or lobectomy. Patients with occult N2 disease after sublobar resection may not require reoperation for completion lobectomy but should instead proceed to adjuvant chemotherapy., (© The Author(s) 2022. Published by Oxford University Press on behalf of the European Association for Cardio-Thoracic Surgery. All rights reserved.)
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- 2022
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31. Induction Therapy Is Not Associated With Improved Survival in Large cT4 N0 Non-Small Cell Lung Cancers.
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Sun BJ, Bhandari P, Jeffrey Yang CF, Berry MF, Shrager JB, Backhus LM, Lui NS, and Liou DZ
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- Humans, Induction Chemotherapy, Neoplasm Staging, Retrospective Studies, Carcinoma, Non-Small-Cell Lung, Lung Neoplasms pathology
- Abstract
Background: The eighth edition of the staging manual for non-small cell lung cancer reclassified tumors >7 cm as stage IIIA (T4 N0); previously, such tumors without nodal disease were considered stage IIB (T3 N0). This study tested the hypothesis that induction chemotherapy for these stage IIIA patients does not improve survival compared with primary surgery., Methods: The National Cancer Database was queried for patients with non-small cell lung cancer with tumor size >7 cm who underwent surgical resection from 2010 to 2015. Patients with clinically node-positive disease or tumor invasion of major structures were excluded. Patients undergoing induction chemotherapy followed by surgical resection (IC group) were compared with patients undergoing primary surgery (PS group). Propensity score matching was performed., Results: In total, 1610 patients with cT4 N0 disease on the basis of tumor size >7 cm and no tumor invasion underwent surgical resection: 1346 (83.6%) comprised the PS group and 264 (16.4%) the IC group. After propensity score matching, the IC group had a higher rate of pN0 (78.4% vs 66.0%; P < .001) and less lymphovascular invasion (13.9% vs 26.3%; P < .001), but longer postoperative stays (6 days vs 5 days; P < .001) and higher 30-day mortality (3.5% vs 0%; P = .002). Median 5-year survival was similar between the IC and PS groups (53.5% vs 62.2%; P = .075), and IC was not independently associated with survival (hazard ratio, 1.45; P = .146)., Conclusions: Patients with cT4 N0 non-small cell lung cancer on the basis of tumor size >7 cm and no tumor invasion of major structures have similar overall survival with either induction chemotherapy or primary surgery. Induction chemotherapy should not be routinely given for this subset of stage IIIA patients., (Copyright © 2022 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.)
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- 2022
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32. Early Discharge After Lobectomy for Lung Cancer Does Not Equate to Early Readmission.
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Patel DC, Leipzig M, Jeffrey Yang CF, Wang Y, Shrager JB, Backhus LM, Lui NS, Liou DZ, and Berry MF
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- Humans, Length of Stay, Patient Readmission, Postoperative Complications epidemiology, Postoperative Complications etiology, Retrospective Studies, Risk Factors, Lung Neoplasms complications, Lung Neoplasms surgery, Patient Discharge
- Abstract
Background: Enhanced recovery after surgery pathways in several specialties reduce length of stay, but accelerated discharge after thoracic surgery is not well characterized. This study tested the hypothesis that patients discharged on postoperative day 1 (POD1) after lobectomy for lung cancer have an increased risk of readmission., Methods: Patients who underwent a lobectomy for lung cancer between 2011 and 2019 in the American College of Surgeons National Surgical Quality Improvement Program database were identified. Readmission rates were compared between patients discharged on postoperative day 1 (POD 1) and patients discharged on POD 2 to 6. Early discharge and readmission predictors were evaluated using multivariable logistic regression analysis., Results: Only 854 (3.8%) of 22,585 patients who met inclusion criteria were discharged on POD 1, although POD 1 discharge rates increased from 2.3% to 8.1% (P < .001) from 2011 to 2019, respectively. Median hospitalization for patients discharged on POD 2 to 6 was 4 days (interquartile range, 3 to 5 days). Patients' characteristics associated with a lower likelihood of POD 1 discharge were increasing age, smoking, or a history of dyspnea, whereas a minimally invasive approach was the strongest predictor of early discharge (adjusted odds ratio, 5.42; P < .001). Readmission rates were not significantly different for the POD 1 and POD 2 to 6 groups in univariate analysis (6.0% vs 7.0%; P = .269). Further, POD 1 discharge was not a risk factor for readmission in multivariable analysis (adjusted odds ratio, 1.10; P = .537)., Conclusions: Select patients can be discharged on POD 1 after lobectomy for lung cancer without an increased readmission risk, a finding supporting this accelerated discharge target inclusion in lobectomy enhanced recovery after surgery protocols., (Copyright © 2022 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.)
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- 2022
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33. Influence of facility volume on long-term survival of patients undergoing esophagectomy for esophageal cancer.
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Patel DC, Jeffrey Yang CF, He H, Liou DZ, Backhus LM, Lui NS, Shrager JB, and Berry MF
- Subjects
- Adenocarcinoma mortality, Adenocarcinoma surgery, Aged, Carcinoma, Squamous Cell mortality, Carcinoma, Squamous Cell surgery, Female, Humans, Male, Middle Aged, Multivariate Analysis, United States epidemiology, Esophageal Neoplasms mortality, Esophageal Neoplasms surgery, Esophagectomy statistics & numerical data, Hospitals, High-Volume
- Abstract
Objective: This study investigated the influence of facility volume on long-term survival in patients with esophageal cancer treated with esophagectomy., Methods: Patients treated with esophagectomy for cT1 3N0 3M0 adenocarcinoma or squamous cell carcinoma of the mid-distal esophagus in the National Cancer Database between 2006 and 2013 were stratified by annual facility esophagectomy volume dichotomized as more/less than both 6 and 20. Patient characteristics associated with facility volume were evaluated using logistic regression, and the influence of facility volume on survival was evaluated with Kaplan-Meier curves, Cox proportional hazards methods, and propensity matched analysis., Results: Of 11,739 patients who had esophagectomy at 1018 facilities where annual volume ranged from 1 to 47.6 cases, 4262 (36.3%) were treated at 44 facilities with annual esophagectomy volume > 6 and 1515 (12.9%) were treated at 7 facilities with annual volume > 20. Higher volume was associated with significantly better 5-year survival for both annual volume > 6 (47.6% vs 40.2%; P < .001) and annual volume > 20 (47.2% vs 42.3%; P < .001), which persisted in propensity matched analyses as well as Cox multivariable analysis (hazard ratio, 0.81; 95% confidence interval, 0.74-0.89; P < .001 for facility volume > 6 and hazard ratio, 0.78; 95% confidence interval, 0.65-0.95; P = .01 for facility volume > 20). In Cox multivariable analysis that considered facility volume as a continuous variable, higher volume continued to be associated with better survival (hazard ratio, 0.93 per 5 cases; 95% CI, 0.91-0.96; P < .001)., Conclusions: Esophageal cancer patients treated with esophagectomy at higher volume facilities have significantly better long-term survival than patients treated at lower volume facilities., (Copyright © 2021 The American Association for Thoracic Surgery. Published by Elsevier Inc. All rights reserved.)
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- 2022
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34. Use of a Personalized Multimedia Education Platform Improves Preoperative Teaching for Lung Cancer Patients.
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Benson J, Bhandari P, Lui N, Berry M, Liou DZ, Shrager J, Ayers K, and Backhus LM
- Subjects
- Humans, Pilot Projects, Quality of Life, Treatment Outcome, Lung Neoplasms diagnostic imaging, Lung Neoplasms surgery, Multimedia
- Abstract
We sought to develop and evaluate a personalized multimedia education (ME) tool for preoperative patient education to improve patient health knowledge, quality of life and satisfaction with care in thoracic surgery. The ME tool was developed and deployed in outpatient clinic during preoperative teaching for patients undergoing surgical resection for lung cancer for quality improvement. Patients were given an electronic survey prior to preoperative teaching and at initial postoperative visit to assess teaching effectiveness and care satisfaction. Sequential patients received either standard preoperative teaching or teaching using the ME tool. Pre- and postoperative survey responses were compared using independent sample paired t test and multivariable linear regression modeling for adjustment. The final ME tool was an iPad application that incorporated real-time annotations of 3-dimensional, interactive anatomic diagrams. The tool featured video tours of operations, and radiology image import for annotation by the surgeon. Forty-eight patients were included in this pilot study (standard education n = 26; ME, n = 22). ME patients had significantly higher satisfaction scores compared to SE patients with respect to length of education materials, clarity of content, supportiveness of content and willingness to recommend materials to others. There was no difference in length of clinic visit between groups. Both patient and provider input can be used to create an innovative electronic preoperative educational tool that prepares and empowers patients in shared decision-making before surgery. Improvements in health literacy and self-efficacy may be more difficult to achieve but remain important as multimedia teaching tools are further developed., (Copyright © 2021 Elsevier Inc. All rights reserved.)
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- 2022
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35. Perioperative Outcomes After Combined Esophagectomy and Lung Resection.
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Patel DC, Bhandari P, Shrager JB, Berry MF, Backhus LM, Lui NS, and Liou DZ
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- Esophagectomy adverse effects, Humans, Lung, Postoperative Complications epidemiology, Postoperative Complications etiology, Retrospective Studies, Treatment Outcome, Esophageal Neoplasms, Pulmonary Surgical Procedures
- Abstract
Introduction: The impact of concomitant lung resection during esophagectomy on short-term outcomes is not well characterized. This study tests the hypothesis that lung resection at the time of esophagectomy is not associated with increased perioperative morbidity or mortality., Methods: Perioperative outcomes for esophageal cancer patients who underwent esophagectomy alone (EA) were compared to patients who had concurrent esophagectomy and lung resection (EL) using the NSQIP database between 2006-2017. Predictors of morbidity and mortality, including combined surgery, were evaluated using multivariable logistic regression., Results: Among the 6,225 study patients, 6,068 (97.5%) underwent EA and 157 (2.5%) underwent EL. There were no differences in baseline characteristics between the two groups. Operating time for EL was longer than EA (median 416 versus 371 minutes, P < 0.01). Median length of stay was 10 d for both groups. Perioperative mortality was not significantly different between EL and EA patients (5.1% versus 2.8%, P = 0.08). EL patients had higher rates of postoperative pneumonia (22.3% versus 16.2%, P = 0.04) and sepsis (11.5% versus 7.1%, P = 0.03), however major complication rates overall were similar (40.8% versus 35.3%, P = 0.16). Combining lung resection with esophagectomy was not independently associated with increased postoperative morbidity (AOR 1.21 [95% CI 0.87-1.69]) or mortality (AOR 1.63 [95% CI 0.74-3.58])., Conclusions: Concurrent lung resection during esophagectomy is not associated with increased mortality or overall morbidity, but is associated with higher rates of pneumonia beyond esophagectomy alone. Surgeons considering combined lung resection with esophagectomy should carefully evaluate the patient's risk for pulmonary complications and pursue interventions preoperatively to optimize respiratory function., (Copyright © 2021 Elsevier Inc. All rights reserved.)
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- 2022
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36. Reconsidering the American Joint Committee on Cancer Eighth Edition TNM Staging Manual Classifications for T2b and T3 NSCLC.
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Kumar A, Kumar S, Gilja S, Potter AL, Raman V, Muniappan A, Liou DZ, and Jeffrey Yang CF
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- Humans, Neoplasm Staging, Prognosis, Proportional Hazards Models, United States, Carcinoma, Non-Small-Cell Lung pathology, Carcinoma, Non-Small-Cell Lung therapy, Lung Neoplasms pathology, Lung Neoplasms therapy
- Abstract
Introduction: The American Joint Committee on Cancer (AJCC) eighth edition TNM staging manual for NSCLC, derived from the International Association for the Study of Lung Cancer (IASLC) Staging Project, designates tumors with additional nodule(s) in the same lobe as T3. This study sought to externally validate the results of the IASLC, which showed a trend in improved survival for such tumors, but excluded treatment-based adjustment, by assessing whether these tumors have worse survival than T2b NSCLC., Methods: Overall survival of patients with T2b-T3, N0-3, M0 NSCLC (satisfying a single T descriptor of tumors >4 cm but ≤5 cm in greatest dimension ["T2b"], tumors >5 cm but ≤7 cm in greatest dimension ["T3-Size"], or tumors with additional nodule(s) in the same lobe ["T3-Add"]), according to the AJCC eighth edition, in the National Cancer Database (2010-2015), was evaluated using multivariable Cox proportional hazards modeling and propensity score matching., Results: 31,563 patients with T2b-T3, N0-3, M0 NSCLC met the study inclusion criteria. In multivariable-adjusted analysis, T3-Add tumors had improved overall survival compared with T3-Size tumors (Hazard Ratio = 0.86, 95% Confidence Interval: 0.82-0.89, p < 0.001) and similar survival compared with T2b tumors (Hazard Ratio = 1.04, 95% Confidence Interval: 0.97-1.12, p = 0.28). A propensity score-matched analysis of 2260 T3-Add and 2,260 T2b patients, well-balanced on 16 common prognostic covariates, including treatment type (surgery, chemotherapy, or radiation), revealed similar 5-year survival (53.4% versus 52.3%, p = 0.30)., Conclusions: In this national analysis, T3-Add tumors had better survival than other T3 tumors and similar survival to T2b tumors. These findings may be taken into consideration for the AJCC ninth edition staging classifications., (Copyright © 2021 International Association for the Study of Lung Cancer. Published by Elsevier Inc. All rights reserved.)
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- 2021
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37. Commentary: Two decades of innovation, leadership, and overcoming challenges, but more lies ahead.
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Liou DZ
- Subjects
- Humans, Leadership
- Published
- 2021
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38. First lung and kidney multi-organ transplant following COVID-19 Infection.
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Guenthart BA, Krishnan A, Alassar A, Madhok J, Kakol M, Miller S, Cole SP, Rao VK, Acero NM, Hill CC, Cheung C, Jackson EC, Feinstein I, Tsai AH, Mooney JJ, Pham T, Elliott IA, Liou DZ, La Francesca S, Shudo Y, Hiesinger W, MacArthur JW, Brar N, Berry GJ, McCarra MB, Desai TJ, Dhillon GS, and Woo YJ
- Subjects
- Humans, Male, Middle Aged, Acute Kidney Injury etiology, Acute Kidney Injury surgery, COVID-19 complications, COVID-19 surgery, Kidney Transplantation, Lung Transplantation, Respiratory Distress Syndrome etiology, Respiratory Distress Syndrome surgery
- Abstract
As the world responds to the global crisis of the COVID-19 pandemic an increasing number of patients are experiencing increased morbidity as a result of multi-organ involvement. Of these, a small proportion will progress to end-stage lung disease, become dialysis dependent, or both. Herein, we describe the first reported case of a successful combined lung and kidney transplantation in a patient with COVID-19. Lung transplantation, isolated or combined with other organs, is feasible and should be considered for select patients impacted by this deadly disease., (Copyright © 2021 International Society for Heart and Lung Transplantation. Published by Elsevier Inc. All rights reserved.)
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- 2021
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39. Short-term and intermediate-term readmission after esophagectomy.
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Wang Y, Yang CJ, He H, Buchan JM, Patel DC, Liou DZ, Lui NS, Berry MF, Shrager JB, and Backhus LM
- Abstract
Background: The objective of this study was to characterize short- and intermediate-term readmissions following esophagectomy and to identify predictors of readmission in these two groups., Methods: Patients who underwent esophagectomy in the National Readmissions Database (2013-2014) were grouped according to whether first readmission was "short-term" (readmitted <30 days) or "intermediate-term" (readmitted 31-90 days) following index admission for esophagectomy. Predictors of readmission were evaluated using multivariable logistic regression modeling., Results: Of the 3,005 patients who underwent esophagectomy, 544 (18.1%) had a short-term readmission and 305 (10.1%) had an intermediate-term readmission. The most frequent reasons for short-term readmission were post-operative infection (7.5%), dysphagia (6.3%) and pneumonia (5.1%). The most common intermediate-term complications were pneumonia (7.2%), gastrointestinal stricture/stenosis (6.9%) and dysphagia (5.9%). In multivariable analysis, being located in a micropolitan area, increasing number of comorbidities and higher severity of illness score were associated with an increased likelihood of having a short-term readmission while being discharged to a facility (as opposed to directly home) was associated with increased likelihood of both short- and intermediate-term readmission (all P<0.05)., Conclusions: In this analysis, postoperative infection was the most common reason for short-term readmission. Dysphagia and pneumonia were common reasons for both short- and intermediate-term readmission of patients following esophagectomy. Interventions focused on reducing the risk of postoperative infection and pneumonia may reduce hospital readmissions. Gastrointestinal stricture and dysphagia were associated with increased risk of intermediate readmission and should be examined in the context of morbidity associated with pyloric procedures (e.g., pyloromyotomy) at the time of esophagectomy., Competing Interests: Conflicts of Interest: All authors have completed the ICMJE uniform disclosure form (available at https://dx.doi.org/10.21037/jtd-21-637). Mark F. Berry serves as an unpaid editorial board member of Journal of Thoracic Disease from Sep 2020 to Aug 2022. Natalie Lui serves as an unpaid editorial board member of Journal of Thoracic Disease from Sep 2019 to Aug 2021. Chi-Fu Jeffrey Yang serves as an unpaid editorial board member of Journal of Thoracic Disease from Feb 2021 to Jan 2023. The other authors have no conflicts of interest to declare., (2021 Journal of Thoracic Disease. All rights reserved.)
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- 2021
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40. Surgical resection for patients with pulmonary aspergillosis in the national inpatient sample.
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Patel DC, Bhandari P, Epstein DJ, Liou DZ, Backhus LM, Berry MF, Shrager JB, and Lui NS
- Abstract
Background: The role of lung resection in patients with pulmonary aspergillosis is generally reserved for those with localized disease who fail medical management. We used a national database to investigate the influence of preoperative patient comorbidities on inpatient mortality and need for surgery., Methods: Patients admitted with pulmonary aspergillosis between 2007 to 2015 were identified in the National Inpatient Sample dataset. Inpatient mortality rates were compared between patients treated medically and surgically. Predictors of mortality, surgical intervention, and non-elective admission were evaluated using multivariable logistic regression., Results: Among a population estimate of 112,998 patients with pulmonary aspergillosis, 107,606 (95.2%) underwent medical management alone and 5,392 (4.8%) underwent surgical resection. Positive predictors for surgery included hemoptysis, and history of lung cancer or chronic pulmonary diseases. Surgically treated patients had a lower inpatient mortality when compared to those treated medically (11.5% vs . 15.1%, P<0.001) in univariate analysis, but this finding did not persist in multivariable analysis (AOR 0.97, P=0.509). The odds of mortality were lower in patients undergoing video assisted thoracoscopic surgery compared to an open approach (AOR 0.77, P=0.001). Among patients treated surgically, mortality was higher in those with a history of lung cancer, solid organ transplantation, liver disease, human immunodeficiency virus infection, hematologic diseases, chronic pulmonary diseases, and those admitted non-electively requiring surgery., Conclusions: In this generalizable study, medical and surgical management of pulmonary aspergillosis were comparable in terms of inpatient mortality. However, non-elective admission and patients with select comorbidities have significantly worse outcomes after surgical intervention., Competing Interests: Conflicts of Interest: All authors have completed the ICMJE uniform disclosure form (available at https://dx.doi.org/10.21037/jtd-21-151). Mark F. Berry serves as an unpaid editorial board member of Journal of Thoracic Disease from Sep 2020 to Aug 2022. Natalie S. Lui serves as an unpaid editorial board member of Journal of Thoracic Disease from Sep 2019 to Aug 2021. The other authors have no conflicts of interest to declare., (2021 Journal of Thoracic Disease. All rights reserved.)
- Published
- 2021
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41. Cancer diagnoses and survival rise as 65-year-olds become Medicare-eligible.
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Patel DC, He H, Berry MF, Yang CJ, Trope WL, Wang Y, Lui NS, Liou DZ, Backhus LM, and Shrager JB
- Subjects
- Aged, Humans, Male, Medically Uninsured, Middle Aged, SEER Program, State Medicine, United States epidemiology, Universal Health Insurance, Medicare, Prostatic Neoplasms diagnosis, Prostatic Neoplasms epidemiology
- Abstract
Background: A Medicare effect has been described to account for increased health care utilization occurring at the age of 65 years. The existence of such an effect in cancer care, where it would be most likely to reduce mortality, has been unclear., Methods: Patients aged 61 to 69 years who were diagnosed with lung, breast, colon, or prostate cancer from 2004 to 2016 were identified with the Surveillance, Epidemiology, and End Results database and were dichotomized on the basis of eligibility for Medicare (61-64 vs 65-69 years). With age-over-age (AoA) percent change calculations, trends in cancer diagnoses and staging were characterized. After matching, uninsured patients who were 61 to 64 years old (pre-Medicare group) were compared with insured patients who were 65 to 69 years old (post-Medicare group) with respect to cancer-specific mortality., Results: In all, 134,991 patients were identified with lung cancer, 175,558 were identified with breast cancer, 62,721 were identified with colon cancer, and 238,823 were identified with prostate cancer. The AoA growth in the number of cancer diagnoses was highest at the age of 65 years in comparison with all other ages within the decade for all 4 cancers (P < .01, P < .001, P < .01, and P < .001, respectively). In a comparison of diagnoses at the age of 65 years with those in the 61- to 64-year-old cohort, the greatest difference for all 4 cancers was seen in stage I. In matched analyses, the 5-year cancer-specific mortality was worse for lung (86.3% vs 78.5%; P < .001), breast (32.7% vs 11.0%; P < .001), colon (57.1% vs 35.6%; P < .001), and prostate cancer (16.9% vs 4.8%; P < .001) in the uninsured pre-Medicare group than the insured post-Medicare group., Conclusions: The age threshold of 65 years for Medicare eligibility is associated with more cancer diagnoses (particularly stage I), and this results in lower long-term cancer-specific mortality for all cancers studied., Lay Summary: Contributing to the current debate regarding Medicare for all, this study shows that the expansion of Medicare would improve cancer outcomes for the near elderly., (© 2021 American Cancer Society.)
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- 2021
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42. Strong for Surgery: Association Between Bundled Risk Factors and Outcomes After Major Elective Surgery in the VA Population.
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Liou DZ, Patel DC, Bhandari P, Wren SM, Marshall NJ, Harris AH, Shrager JB, Berry MF, Lui NS, and Backhus LM
- Subjects
- Humans, Postoperative Complications epidemiology, Postoperative Complications etiology, Quality Improvement, Retrospective Studies, Risk Factors, United States epidemiology, Elective Surgical Procedures, Hospitals, Veterans
- Abstract
Background: Strong for Surgery (S4S) is a public health campaign focused on optimizing patient health prior to surgery by identifying evidence-based modifiable risk factors. The potential impact of S4S bundled risk factors on outcomes after major surgery has not been previously studied. This study tested the hypothesis that a higher number of S4S risk factors is associated with an escalating risk of complications and mortality after major elective surgery in the VA population., Methods: The Veterans Affairs Surgical Quality Improvement Program (VASQIP) database was queried for patients who underwent major non-emergent general, thoracic, vascular, urologic, and orthopedic surgeries between the years 2008 and 2015. Patients with complete data pertaining to S4S risk factors, specifically preoperative smoking status, HbA1c level, and serum albumin level, were stratified by number of positive risk factors, and perioperative outcomes were compared., Results: A total of 31,285 patients comprised the study group, with 16,630 (53.2%) patients having no S4S risk factors (S4S0), 12,323 (39.4%) having one (S4S1), 2,186 (7.0%) having two (S4S2), and 146 (0.5%) having three (S4S3). In the S4S1 group, 60.3% were actively smoking, 35.2% had HbA1c > 7, and 4.4% had serum albumin < 3. In the S4S2 group, 87.8% were smokers, 84.8% had HbA1c > 7, and 27.4% had albumin < 3. Major complications, reoperations, length of stay, and 30-day mortality increased progressively from S4S0 to S4S3 groups. S4S3 had the greatest adjusted mortality risk (adjusted odds radio [AOR] 2.56, p = 0.04) followed by S4S2 (AOR 1.58, p = 0.02) and S4S1 (AOR 1.34, p = 0.02)., Conclusion: In the VA population, patients who had all three S4S risk factors, namely active smoking, suboptimal nutritional status, and poor glycemic control, had the greatest risk of postoperative mortality compared to patients with fewer S4S risk factors.
- Published
- 2021
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43. Paradoxical Motion on Sniff Test Predicts Greater Improvement Following Diaphragm Plication.
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Patel DC, Berry MF, Bhandari P, Backhus LM, Raees S, Trope W, Nash A, Lui NS, Liou DZ, and Shrager JB
- Subjects
- Aged, Female, Humans, Male, Middle Aged, Predictive Value of Tests, Retrospective Studies, Treatment Outcome, Diaphragm physiopathology, Diaphragm surgery, Respiratory Function Tests methods, Respiratory Paralysis physiopathology, Respiratory Paralysis surgery
- Abstract
Background: Diaphragm plication (DP) improves pulmonary function and quality of life for those with diaphragm paralysis or dysfunction. It is unknown whether differing degrees of diaphragm dysfunction as measured by sniff testing affect results after plication., Methods: Patients who underwent minimally invasive DP from 2008 to 2019 were dichotomized based on sniff test results: paradoxical motion (PM) versus no paradoxical motion (NPM); the latter included normal, decreased, and no motion. Preoperative and postoperative pulmonary function testing (PFT) after DP was compared between groups. The impact of the diaphragm height index, a measure of diaphragm elevation, was also assessed., Results: A total of 26 patients underwent preoperative sniff testing, DP, and postoperative PFT. Including all patients, DP resulted in a 17.8% ± 5.5% improvement in forced expiratory volume in 1 second (P < .001), a 14.4% ± 5.3% improvement in forced vital capacity (P < .001), and a 4.7% ± 4.6% improvement in the diffusing capacity of carbon monoxide (P = .539). There were greater improvements in the PM group (n = 16) compared with the NPM group (n = 10) for forced expiratory volume in 1 second (27.2% ± 6.0% versus 3.9% ± 6.2%; P = .017) and forced vital capacity (28.1% ± 5.3% versus -0.5% ± 3.3%; P = .001). There was no difference in the change in the diffusing capacity of carbon monoxide between groups. There were no differences between patients with PM and NPM in the postoperative course or complications. No value for diaphragm height index predicted improvement in PFT after DP., Conclusions: Patients with PM on sniff test have dramatically greater objective improvements in pulmonary function after plication compared with those without PM. Most patients without PM do not demonstrate improvement in standard PFT. Improvements in dyspnea require additional study., (Copyright © 2021 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.)
- Published
- 2021
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44. Estimating the Impact of Extended Delay to Surgery for Stage I Non-small-cell Lung Cancer on Survival.
- Author
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Mayne NR, Elser HC, Darling AJ, Raman V, Liou DZ, Colson YL, D'Amico TA, and Yang CJ
- Subjects
- Adenocarcinoma mortality, Adenocarcinoma surgery, COVID-19 epidemiology, Carcinoma, Non-Small-Cell Lung pathology, Carcinoma, Squamous Cell mortality, Carcinoma, Squamous Cell surgery, Clinical Decision-Making, Humans, Lung Neoplasms pathology, Neoplasm Staging, Pandemics, Propensity Score, Proportional Hazards Models, Retrospective Studies, SARS-CoV-2, Carcinoma, Non-Small-Cell Lung mortality, Carcinoma, Non-Small-Cell Lung surgery, Lung Neoplasms mortality, Lung Neoplasms surgery, Time-to-Treatment
- Abstract
Objective: The purpose of this study is to evaluate the impact of extended delay to surgery for stage I NSCLC., Summary of Background Data: During the COVID-19 pandemic, patients with NSCLC may experience delays in care, and some national guidelines recommend delays in surgery by >3 months for early NSCLC., Methods: Using data from the National Lung Screening Trial, a multi-center randomized trial, and the National Cancer Data Base, a multi-institutional oncology registry, the impact of "early" versus "delayed" surgery (surgery received 0-30 vs 90-120 days after diagnosis) for stage I lung adenocarcinoma and squamous cell carcinoma (SCC) was assessed using multivariable Cox regression analysis with penalized smoothing spline functions and propensity score-matched analyses., Results: In Cox regression analysis of the National Lung Screening Trial (n = 452) and National Cancer Data Base (n = 80,086) cohorts, an increase in the hazard ratio was seen the longer surgery was delayed. In propensity score-matched analysis, no significant differences in survival were found between early and delayed surgery for stage IA1 adenocarcinoma and IA1-IA3 SCC (all P > 0.13). For stage IA2-IB adenocarcinoma and IB SCC, delayed surgery was associated with worse survival (all P < 0.004)., Conclusions: The mortality risk associated with an extended delay to surgery differs across patient subgroups, and difficult decisions to delay care during the COVID-19 pandemic should take substage and histologic subtype into consideration., Competing Interests: TAD is a consultant for Scanlan (<$10,000). The remaining authors report no conflicts of interest., (Copyright © 2021 Wolters Kluwer Health, Inc. All rights reserved.)
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- 2021
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45. Stereotactic Body Radiotherapy Versus Delayed Surgery for Early-stage Non-small-cell Lung Cancer.
- Author
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Mayne NR, Lin BK, Darling AJ, Raman V, Patel DC, Liou DZ, D'Amico TA, and Yang CJ
- Subjects
- COVID-19, Carcinoma, Non-Small-Cell Lung mortality, Carcinoma, Non-Small-Cell Lung pathology, Cohort Studies, Humans, Lung Neoplasms mortality, Lung Neoplasms pathology, Neoplasm Staging, SARS-CoV-2, Survival Rate, Time Factors, Time-to-Treatment, Carcinoma, Non-Small-Cell Lung radiotherapy, Carcinoma, Non-Small-Cell Lung surgery, Lung Neoplasms radiotherapy, Lung Neoplasms surgery, Radiosurgery
- Abstract
Objective: To evaluate the overall survival of patients with operable stage IA non-small-cell lung cancer (NSCLC) who undergo "early" SBRT (within 0-30 days after diagnosis) versus "delayed" surgery (90-120 days after diagnosis)., Summary of Background Data: During the COVID-19 pandemic, national guidelines have recommended patients with operable stage IA NSCLC to consider delaying surgery by at least 3 months or, alternatively, to undergo SBRT without delay. It is unknown which strategy is associated with better short- and long-term outcomes., Methods: Multivariable Cox proportional hazards modeling and propensity score-matched analysis was used to compare the overall survival of patients with stage IA NSCLC in the National Cancer Data Base from 2004 to 2015 who underwent "early" SBRT (0-30 days after diagnosis) versus that of patients who underwent "delayed" wedge resection (90-120 days after diagnosis)., Results: During the study period, 570 (55%) patients underwent early SBRT and 475 (45%) underwent delayed wedge resection. In multivariable analysis, delayed resection was associated with improved survival [adjusted hazard ratio 0.61; (95% confidence interval (CI): 0.50-0.76)]. Propensity-score matching was used to create 2 groups of 279 patients each who received early SBRT or delayed resection that were well-matched with regard to baseline characteristics. The 5-year survival associated with delayed resection was 53% (95% CI: 45%-61%) which was better than the 5-year survival associated with early SBRT (31% [95% CI: 24%-37%])., Conclusion: In this national analysis, for patients with stage IA NSCLC, extended delay of surgery was associated with improved survival when compared to early treatment with SBRT.
- Published
- 2020
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46. Surgical technique for atrial-esophageal fistula repair after catheter ablation: An underrecognized complication.
- Author
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Guenthart BA, Sun B, De Biasi A, Fischbein MP, and Liou DZ
- Published
- 2020
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47. Sub-solid lung adenocarcinoma in Asian versus Caucasian patients: different biology but similar outcomes.
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Lui NS, Benson J, He H, Imielski BR, Kunder CA, Liou DZ, Backhus LM, Berry MF, and Shrager JB
- Abstract
Background: Asian and Caucasian patients with lung cancer have been compared in several database studies, with conflicting findings regarding survival. However, these studies did not include proportion of ground-glass opacity or mutational status in their analyses. Asian patients commonly develop sub-solid lung adenocarcinomas that harbor EGFR mutations, which have a better prognosis. We hypothesized that among patients undergoing surgery for sub-solid lung adenocarcinomas, Asian patients have better survival compared to Caucasian patients., Methods: We identified Asian and Caucasian patients who underwent surgical resection for a sub-solid lung adenocarcinoma from 2002 to 2015 at our institution. Sub-solid was defined as ≥10% ground-glass opacity on preoperative CT scan or ≥10% lepidic component on surgical pathology. Time-to-event multivariable analysis was performed to determine which characteristics were associated with recurrence and survival., Results: Two hundred twenty-four patients were included with median follow up 48 months. Asian patients were more likely to be never smokers (76.3% vs. 29.0%, P<0.01) and have an EGFR mutation (69.4% vs. 25.6% of those tested, P<0.01), while Caucasian patients were more likely to have a KRAS mutation (23.5% vs. 4.9% of those tested, P<0.01). There was a trend towards Asian patients having a higher proportion of ground-glass opacity (38.8% vs. 30.5%, P=0.11). Time-to-event multivariable analysis showed that higher proportion of ground-glass opacity was significantly associated with better recurrence-free survival (HR 0.76 per 20% increase, P=0.02). However, mutational status and race did not have a significant impact on recurrence-free or overall survival., Conclusions: Asian and Caucasian patients with sub-solid lung adenocarcinoma have different tumor biology, but recurrence-free and overall survival after surgical resection is similar., Competing Interests: Conflicts of Interest: All authors have completed the ICMJE uniform disclosure form (available at http://dx.doi.org/10.21037/jtd.2020.04.37). JBS reports grants and personal fees from Becton-Dickinson, outside the submitted work; In addition, JBS has a patent CRISPR/Cas-mediated Genome Editing to Treat EGFR-mutant Lung Cancer issued. NSL reports other from Auspex, outside the submitted work and serves as an unpaid editorial board member of Journal of Thoracic Disease from Sep 2019 to Aug 2021. MFB serves as an unpaid editorial board member of Journal of Thoracic Disease from Sep 2018 to Aug 2020. The other authors have no conflicts of interest to declare., (2020 Journal of Thoracic Disease. All rights reserved.)
- Published
- 2020
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48. Does size matter? A national analysis of the utility of induction therapy for large thymomas.
- Author
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Liou DZ, Ramakrishnan D, Lui NS, Shrager JB, Backhus LM, and Berry MF
- Abstract
Background: Tumor size of 8 cm or greater is a risk factor for recurrence after thymoma resection, but the role of induction therapy for large thymomas is not well defined. This study tested the hypothesis that induction therapy for thymomas 8 cm and larger improves survival., Methods: The use of induction therapy for patients treated with surgical resection for Masaoka stage I-III thymomas in the National Cancer Database between 2006-2013 was evaluated using logistic regression, Kaplan-Meier analysis, and Cox-proportional hazards methods., Results: Of the 1,849 patients who met inclusion criteria, 582 (31.5%) had tumors ≥8 cm. Five-year survival was worse in patients with tumors ≥8 cm compared to smaller tumors [84.6% (95% CI: 81.2-88.1%) vs. 89.4% (95% CI: 87.2-91.7%), P=0.003]. Induction therapy was used in 166 (9.0%) patients overall and was more likely in patients with tumors ≥8 cm [adjusted odds ratio (AOR) 3.257, P<0.001]. Induction therapy was not associated with improved survival in the subset of patients with tumors ≥8 cm in either univariate [80.9% (95% CI: 72.6-90.1%) vs. 85.4% (95% CI: 81.8-89.3%), P=0.27] or multivariable analysis [hazard ratio (HR) 1.54, P=0.10]. Increasing age (HR 1.56/decade, P<0.001) and Masaoka stage III (HR 1.76, P=0.04) were associated with worse survival in patients with tumors ≥8 cm., Conclusions: Survival after thymoma resection is worse for tumors 8 cm or larger compared to smaller tumors and is not improved by induction therapy. Size alone should not be a criterion for using induction therapy prior to thymoma resection., Competing Interests: Conflicts of Interest: All authors have completed the ICMJE uniform disclosure form (available at http://dx.doi.org/10.21037/jtd.2020.02.63). NSL serves as an unpaid editorial board member of Journal of Thoracic Disease from Sep 2019 to Aug 2021. MFB serves as an unpaid editorial board member of Journal of Thoracic Disease from Sep 2018 to Aug 2020. The other authors have no conflicts of interest to declare.., (2020 Journal of Thoracic Disease. All rights reserved.)
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- 2020
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49. Induction therapy for locally advanced distal esophageal adenocarcinoma: Is radiation Always necessary?
- Author
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Liou DZ, Backhus LM, Lui NS, Shrager JB, and Berry MF
- Subjects
- Aged, Esophagectomy, Female, Humans, Kaplan-Meier Estimate, Male, Middle Aged, Retrospective Studies, Treatment Outcome, Adenocarcinoma epidemiology, Adenocarcinoma mortality, Adenocarcinoma therapy, Chemoradiotherapy, Adjuvant mortality, Chemoradiotherapy, Adjuvant statistics & numerical data, Esophageal Neoplasms epidemiology, Esophageal Neoplasms mortality, Esophageal Neoplasms therapy, Induction Chemotherapy mortality, Induction Chemotherapy statistics & numerical data
- Abstract
Objective: To compare outcomes between induction chemotherapy alone (ICA) and induction chemoradiation (ICR) in patients with locally advanced distal esophageal adenocarcinoma., Methods: Patients in the National Cancer Database treated with ICA or ICR followed by esophagectomy between 2006 and 2012 for cT1-3N1M0 or T3N0M0 adenocarcinoma of the distal esophagus were compared using logistic regression, Kaplan-Meier analysis, and Cox proportional hazards methods., Results: The study group included 4763 patients, of whom 4323 patients (90.8%) received ICR and 440 patients (9.2%) received ICA. There were no differences in age, sex, race, Charlson Comorbidity Index, treatment facility type, clinical T or N status between the 2 groups. Tumor size ≥5 cm (odds ratio, 1.46; P = .006) was the only factor that predicted ICR use. Higher rates of T downstaging (39.7% vs 33.4%; P = .012), N downstaging (32.0% vs 23.4%; P < .001), and complete pathologic response (13.1% vs 5.9%; P < .001) occurred in ICR patients. Positive margins were seen more often in ICA patients (9.6% vs 5.5%; P = .001), but there was no difference in 5-year survival (ICR 35.9% vs ICA 37.2%; P = .33), and ICR was not associated with survival in multivariable analysis (hazard ratio = 1.04; P = .61)., Conclusions: ICR for locally advanced distal esophageal adenocarcinoma is associated with a better local treatment effect, but not improved survival compared with ICA, which suggests that radiation can be used selectively in this clinical situation., (Copyright © 2018 The American Association for Thoracic Surgery. Published by Elsevier Inc. All rights reserved.)
- Published
- 2018
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50. Predictors of Failure to Rescue After Esophagectomy.
- Author
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Liou DZ, Serna-Gallegos D, Mirocha J, Bairamian V, Alban RF, and Soukiasian HJ
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- Aged, Female, Hospital Mortality, Humans, Logistic Models, Male, Middle Aged, Postoperative Complications etiology, Retrospective Studies, Risk Factors, Survival Rate, Esophageal Neoplasms mortality, Esophageal Neoplasms surgery, Esophagectomy adverse effects, Postoperative Complications mortality
- Abstract
Background: Failure to rescue (FTR), defined as death after a major complication, is a metric increasingly being used to assess quality of care. Risk factors associated with FTR after esophagectomy have not been previously studied., Methods: The American College of Surgeons National Surgical Quality Improvement Program database was queried for patients who underwent esophagectomy with gastric conduit between 2010 and 2014. Patients with at least one major postoperative complication were grouped according to inhospital mortality (FTR group) and survival to discharge (SUR group). A stepwise logistic regression model was used to identify predictors of FTR., Results: A total of 1,730 patients comprised the study group, with 102 (5.9%) in the FTR group and 1,628 (94.1%) in the SUR group. The FTR patients were older (69.0 versus 64.0 years, p < 0.0001) compared with the SUR patients. There were no differences in sex, body mass index, preoperative weight loss, smoking status, operation type, or surgeon specialty between the two groups. Age greater than 75 years (adjusted odds ratio 2.68, p < 0.0001), black race (adjusted odds ratio 2.75, p = 0.001), American Society of Anesthesiologists class 4 or 5 (adjusted odds ratio 1.82, p = 0.02), and the occurrence of pneumonia, respiratory failure, acute renal failure, sepsis, or acute myocardial infarction were predictive of FTR based on multivariable logistic regression., Conclusions: Nearly 6% of patients who have a major complication after esophagectomy do not survive to discharge. Age greater than 75 years, black race, American Society of Anesthesiologists class 4 or 5, and complications related to major infection or organ failure predict FTR. Further research is necessary to investigate how these factors affect survival after complications in order to improve rescue efforts., (Copyright © 2018 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.)
- Published
- 2018
- Full Text
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