13 results on '"Fallon JM"'
Search Results
2. Ureteral stent insertion for gynecologic interstitial high-dose-rate brachytherapy
- Author
-
Demanes, DJ, Banerjee, R, Cahan, BL, Lee, SP, Park, SJ, Fallon, JM, Reyes, P, Van, TQ, Steinberg, ML, and Kamrava, MR
- Subjects
Oncology & Carcinogenesis ,Clinical Sciences - Abstract
Purpose: To determine the utility of ureteral stents in interstitial gynecological brachytherapy. Methods and Materials: We reviewed 289 patients with cervix cancer treated with high-dose-rate interstitial brachytherapy who did not have pretreatment hydronephrosis to determine the relative incidence of benign ureteral strictures after treatment. We also did comparative dosimetry analysis in five cases of high-dose-rate brachytherapy. Bilateral ureteral stents were placed during the procedure. Three dosimetry plans were created to determine the impact of modifying clinical target volume (CTV) and applying ureteral dose constraints. In Plan 1, the ureters were contoured and excluded from the CTV and 120% dose constraints were applied. In Plan 2, the ureters were contoured and excluded, but no dose constraints were applied to the ureter. In Plan 3, the CTV was created as if the location of the ureters was unknown and then ureteral dose was determined. Results: There were 11 ureteral strictures observed in 255 nonstented cases and 0 ureteral strictures in 34 stented cases. Plan 1 reduced the ureter dose (D0.1cc) by a median 22% (7.0-53.8%) compared with Plan 2 and by a median of 30.9% (12.3-65%). compared with Plan3. Conclusions: Placement of stents and ureteral dose constraints facilitates dosimetry and reduces the dose to ureters. Temporary ureteral stents prevent obstruction during interstitial gynecologic brachytherapy and allows the ureters to be addressed as an organ at risk.
- Published
- 2015
3. The Northern New England Rapid Deployment Valve Experience: Survival and Procedural Outcomes From 2015 to 2021.
- Author
-
Fallon JM, Malenka DJ, Ross CS, Ramkumar N, Seshasayee SM, Westbrook BM, Hirashima F, and Quinn RD
- Subjects
- Humans, Aortic Valve surgery, New England epidemiology, Treatment Outcome, Risk Factors, Heart Valve Prosthesis adverse effects, Heart Valve Prosthesis Implantation methods, Aortic Valve Stenosis surgery, Transcatheter Aortic Valve Replacement
- Abstract
Objective: The optimal approach and choice of initial aortic valve replacement (AVR) is evolving in the growing era of transcatheter AVR. Further survival and hemodynamic data are needed to compare the emerging role of rapid deployment (rdAVR) versus stented (sAVR) valve options for AVR., Methods: The Northern New England Cardiovascular Database was queried for patients undergoing either isolated AVR or AVR + coronary artery bypass grafting (CABG) with rdAVR or sAVR aortic valves between 2015 and 2021. Exclusion criteria included endocarditis, mechanical valves, dissection, emergency case status, and prior sternotomy. This resulted in a cohort including 1,616 sAVR and 538 rdAVR cases. After propensity weighting, procedural characteristics, hemodynamic variables, and survival outcomes were examined., Results: The breakdown of the overall cohort (2,154) included 1,164 isolated AVR (222 rdAVR, 942 sAVR) and 990 AVR + CABG (316 rdAVR, 674 sAVR). After inverse propensity weighting, cohorts were well matched, notable only for more patients <50 years in the sAVR group (4.0% vs 1.9%, standardized mean difference [SMD] = -0.12). Cross-clamp (89 vs 64 min, SMD = -0.71) and cardiopulmonary bypass (121 vs 91 min, SMD = -0.68) times were considerably longer for sAVR versus rdAVR. Immediate postreplacement aortic gradient decreased with larger valve size but did not differ significantly between comparable sAVR and rdAVR valve sizes or overall (6.5 vs 6.7 mm Hg, SMD = 0.09). Implanted rdAVR tended to be larger with 51% either size L or XL versus 37.4% of sAVR ≥25 mm. Despite a temporal decrease in pacemaker rate within the rdAVR cohort, the overall pacemaker frequency was less in sAVR versus rdAVR (4.4% vs 7.4%, SMD = 0.12), and significantly higher rates were seen in size L (10.3% vs 3.7%, P < 0.002) and XL (15% vs 5.6%, P < 0.004) rdAVR versus sAVR. No significant difference in major adverse cardiac events (4.6% vs 4.6%, SMD = 0.01), 30-day survival (1.5% vs 2.6%, SMD = 0.08), or long-term survival out to 4 years were seen between sAVR and rdAVR., Conclusions: Rapid deployment valves offer a safe alternative to sAVR with significantly decreased cross-clamp and cardiopulmonary bypass times. Despite larger implantation sizes, we did not appreciate a comparative difference in immediate postoperative gradients, and although pacemaker rates are improving, they remain higher in rdAVR compared with sAVR. Longer-term hemodynamic and survival follow-up are needed., Competing Interests: Declaration of Conflicting InterestsThe authors declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.
- Published
- 2024
- Full Text
- View/download PDF
4. Aortic Annular Enlargement in the Elderly: Short and Long-Term Outcomes in the United States.
- Author
-
Mehaffey JH, Hawkins RB, Wegermann ZK, Grau-Sepulveda MV, Fallon JM, Brennan JM, Thourani VH, Badhwar V, and Ailawadi G
- Subjects
- Aged, Aged, 80 and over, Analysis of Variance, Coronary Artery Bypass, Female, Heart Valve Prosthesis Implantation adverse effects, Heart Valve Prosthesis Implantation mortality, Humans, Kaplan-Meier Estimate, Male, Prosthesis Design, Transcatheter Aortic Valve Replacement, United States, Aortic Valve surgery, Heart Valve Prosthesis, Heart Valve Prosthesis Implantation methods
- Abstract
Background: Patient prosthesis mismatch is associated with significant long-term morbidity and mortality after aortic valve replacement, but the role and outcomes of annular enlargement (AE) remain poorly defined. We hypothesized that increasing rates of AE may lead to improved outcomes for patients at risk for severe patient prosthesis mismatch., Methods: Patients over age 65 years undergoing surgical aortic valve replacement with or without coronary artery bypass grafting from 2008-2016 in The Society of Thoracic Surgeons Adult Cardiac Surgery Database with matching Centers for Medicare & Medicaid Services data were included (n=189,268). Univariate, multivariate, and time-to-event analysis was used to evaluate the association between AE and early and late outcomes. Patients were stratified by projected degree of patient prosthesis mismatch based on calculated effective orifice area index., Results: A total of 5412 (2.9%) patients underwent AE. The Society of Thoracic Surgeons Adult Cardiac Surgery Database-predicted mortality was similar between AE and non-AE groups (2.97% vs 2.99%, P = .052). Patients undergoing AE had higher risk-adjusted rates of 30-day complications and death (5.4% vs 3.4%, P < .0001), but no differences in long-term rates of stroke, heart failure re-hospitalization,s or aortic valve reoperation. Survival analysis demonstrated a higher risk of mortality with AE during the first 3 years, after which the survival curves cross, favoring AE., Conclusions: These data suggest that annular enlargement during surgical aortic valve replacement is associated with increased short-term risk in a Medicare population. Survival curves crossed after 3 years, which may portend a benefit in select patients. However, annular enlargement is still only performed in the minority of patients who are at risk for patient prosthesis mismatch., (Copyright © 2021 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.)
- Published
- 2021
- Full Text
- View/download PDF
5. Vacuum-assisted extraction of ilio-caval and right heart masses: A 5-year single center experience.
- Author
-
Fallon JM, Newman N, Patel PM, Keeling W, Attia T, Miller JS, Jaber W, Duwayri Y, Wagh K, and Lattouf O
- Subjects
- Cardiac Surgical Procedures methods, Humans, Retrospective Studies, Time Factors, Embolectomy methods, Vacuum, Venous Thrombosis surgery
- Abstract
Purpose: Despite paucity of data, there exists growing popularity of catheter-based extraction methods for intravascular thrombi and vegetations. We describe a large single center experience with vacuum-assisted extraction techniques (VAET) for right-sided intravascular and cardiac masses., Methods: We retrospectively reviewed the perioperative course of patients undergoing VAET between 2014 and 2019. Primary outcomes were survival and freedom from recurrent bacteremia. Procedural success was a composite definition of survival, majority of mass extraction, absence of recurrent bacteremia, and valve function not requiring further intervention during index hospitalization., Results: Of the entire cohort (n = 58), 48% and 52% underwent VAET for vegetations and sterile thrombi, respectively. Of those with positive cultures, the most common organism isolated was Staphylococcus aureus (48%). Preoperative active bacteremia was present in 36% (21/58) and of these patients, 76% (16/21) had neither recurrent nor persistent bacteremia post-op. The majority of masses (67%, 38/58) were debulked with an average reduction in size of 42%. Conversion to open surgery occurred in 3.5% (2/58). Intraoperative and 30-day survival were 98% (57/58) and 90% (28/31), respectively. Overall success was 86% (50/58). The prevalence of moderate/severe tricuspid regurgitation was 37% pre-op and 61% post-op. Average length of intensive care unit and overall hospital stay was 5.6 and 16 days, respectively., Conclusions: In this single center experience, VAET was conducted safely with a high degree of success and freedom from short-term recurrent bacteremia. This minimally invasive procedure is an attractive alternative to traditional open techniques for removal of right-sided intravascular and cardiac masses., (© 2020 Wiley Periodicals LLC.)
- Published
- 2020
- Full Text
- View/download PDF
6. Initial Experience with Non-Sternotomy Minimally Invasive Pulmonary Embolectomy with Thoracoscopic Assistance.
- Author
-
Fallon JM, Greenberg JW, Gupta L, and Lattouf OM
- Subjects
- Aged, Cardiopulmonary Bypass methods, Female, Humans, Length of Stay, Male, Middle Aged, Pulmonary Artery surgery, Pulmonary Embolism diagnostic imaging, Pulmonary Embolism pathology, Recovery of Function, Sternotomy adverse effects, Sternotomy mortality, Tomography Scanners, X-Ray Computed, Treatment Outcome, Embolectomy methods, Minimally Invasive Surgical Procedures methods, Pulmonary Embolism surgery, Thoracoscopy methods, Thoracotomy methods
- Abstract
The endpoint in emergent management of acute massive pulmonary embolism (PE) has traditionally been with embolectomy through standard median sternotomy. This approach is limited in both exposure and concomitant functional morbidity associated with sternotomy. Herein we describe a novel minimally invasive, thoracoscopically assisted approach to pulmonary embolectomy. This utilizes a small 5-cm left parasternal thoracotomy and femoral cardiopulmonary bypass to conduct thoracoscopically assisted surgical pulmonary embolectomy. This novel minimally invasive approach has been developed and successfully utilized in 3 patients with massive PE at our institution. The assistance of the thoracoscope allowed for complete visualization and clot extraction of the main and segmental pulmonary arteries bilaterally. The use of a non-sternotomy approach sped both functional and pulmonary recovery times and decreased length of stay. These initial data suggest that non-sternotomy minimally invasive surgical pulmonary embolectomy with thoracoscopic assistance is a feasible and safe approach for acute massive PE that may result in enhanced recovery times and decreased hospital length of stay.
- Published
- 2020
- Full Text
- View/download PDF
7. Robotic-Assisted Surgical Treatment of Catamenial Pneumothorax.
- Author
-
Fallon JM and Sancheti MS
- Subjects
- Adult, Female, Humans, Middle Aged, Thoracic Surgical Procedures methods, Pneumothorax surgery, Robotic Surgical Procedures
- Abstract
Two young female patients presented with clinical findings of catamenial pneumothorax and thoracic endometriosis syndrome. Despite attempts at conservative management, thoracoscopic pleurodesis, and hormonal therapy, both women experienced recurrent pneumothoraces coincident with menses. Each patient subsequently underwent robotic-assisted mechanical pleurectomy and diaphragm reconstruction with durable results., (Copyright © 2020 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.)
- Published
- 2020
- Full Text
- View/download PDF
8. A giant mystery in giant cell myocarditis: navigating diagnosis, immunosuppression, and mechanical circulatory support.
- Author
-
Fallon JM, Parker AM, Dunn SP, and Kennedy JLW
- Subjects
- Biopsy, Female, Heart Failure diagnosis, Heart Failure etiology, Humans, Magnetic Resonance Imaging, Cine methods, Middle Aged, Myocarditis therapy, Recurrence, Giant Cells pathology, Heart Failure prevention & control, Heart-Assist Devices, Immunosuppression Therapy methods, Immunosuppressive Agents therapeutic use, Myocarditis diagnosis, Myocardium pathology
- Abstract
Giant cell myocarditis is a rare but often devastating diagnosis. Advances in cardiac imaging and mechanical circulatory support have led to earlier and more frequent diagnoses and successful management. This disease state has wide variation in acuity of presentation, and consequently, optimal treatment ranging from intensity and type of immunosuppression to mechanical circulatory support is not well defined. The following case describes the management of a patient with an unusual presentation of giant cell myocarditis over a 10 year course of advanced heart failure therapies and immunomodulatory support. This case highlights emerging concepts in the management of giant cell myocarditis including sub-acute presentations, challenges in diagnosis, and treatment modalities in the modern era., (© 2019 The Authors. ESC Heart Failure published by John Wiley & Sons Ltd on behalf of the European Society of Cardiology.)
- Published
- 2020
- Full Text
- View/download PDF
9. Reply.
- Author
-
Fallon JM and Pibarot P
- Subjects
- Humans, Incidence, Prosthesis Implantation, Aortic Valve, Heart Valve Prosthesis
- Published
- 2019
- Full Text
- View/download PDF
10. The Incidence and Consequence of Prosthesis-Patient Mismatch After Surgical Aortic Valve Replacement.
- Author
-
Fallon JM, DeSimone JP, Brennan JM, O'Brien S, Thibault DP, DiScipio AW, Pibarot P, Jacobs JP, and Malenka DJ
- Subjects
- Aged, Aged, 80 and over, Body Mass Index, Cohort Studies, Comorbidity, Female, Heart Failure epidemiology, Humans, Incidence, Male, Middle Aged, Patient Readmission statistics & numerical data, Postoperative Complications etiology, Proportional Hazards Models, Prosthesis Design, Prosthesis Failure, Registries, Reoperation statistics & numerical data, Stroke Volume, Survival Analysis, Treatment Outcome, Aortic Valve surgery, Heart Valve Prosthesis adverse effects, Heart Valve Prosthesis Implantation, Postoperative Complications epidemiology, Prosthesis Fitting
- Abstract
Background: The goal of this study was to determine the relationship of prosthesis-patient mismatch (PPM) with long-term survival and to assess whether growing concern about PPM has resulted in a decreased incidence over time., Methods: Using The Society of Thoracic Surgeons Adult Cardiac Surgery Database, we identified 59,779 patients ≥65 years old who underwent isolated surgical aortic valve replacement (AVR) between 2004 and 2014. The degree of PPM was calculated using literature-derived effective orifice areas for commonly used valves. Outcomes to 10 years were stratified by degree of PPM., Results: The distribution of PPM was as follows: 35%, none (n = 21,053); 54%, moderate (n = 32,243); and 11%, severe (n = 6,483). Compared with patients with no PPM, patients with moderate or severe PPM had a significantly increased risk of readmission for heart failure (hazard ratio [HR], 1.15; 95% confidence interval [CI], 1.09 to 1.21; HR, 1.37; 95% CI, 1.26 to 1.48) and redo AVR (HR, 1.41; 95% CI, 1.13 to 1.77; HR, 2.68; 95% CI, 2.01 to 3.56) for moderate or severe PPM, respectively. Survival was significantly worse for any degree of PPM (moderate to none: HR, 1.08; 95% CI, 1.05 to 1.12; severe to none: HR, 1.32; 95% CI, 1.25 to 1.39), with 10-year adjusted survival rates of 46%, 43%, and 35% for none, moderate, and severe, respectively (p < 0.001). The incidence of severe PPM decreased by 55% over the study period, from 13.8% in 2004 to 6.2% in 2014., Conclusions: Any degree of PPM significantly decreased long-term survival and increased readmission rates for both heart failure and reoperation for AVR. Temporal trends show a significant decrease in the incidence of PPM over the past decade., (Copyright © 2018 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.)
- Published
- 2018
- Full Text
- View/download PDF
11. High-Dose-Rate Monotherapy for Localized Prostate Cancer: 10-Year Results.
- Author
-
Hauswald H, Kamrava MR, Fallon JM, Wang PC, Park SJ, Van T, Borja L, Steinberg ML, and Demanes DJ
- Subjects
- Adult, Aged, Aged, 80 and over, Androgen Antagonists therapeutic use, Coitus, Disease-Free Survival, Erectile Dysfunction etiology, Follow-Up Studies, Humans, Male, Middle Aged, Neoplasm Grading, Prostate-Specific Antigen blood, Prostatic Neoplasms blood, Prostatic Neoplasms mortality, Prostatic Neoplasms pathology, Radiation Injuries pathology, Radiotherapy Dosage, Rectum radiation effects, Risk, Time Factors, Treatment Outcome, Brachytherapy adverse effects, Brachytherapy methods, Prostatic Neoplasms radiotherapy
- Abstract
Purpose: High-dose-rate (HDR) brachytherapy was originally used with external beam radiation therapy (EBRT) to increase the dose to the prostate without injuring the bladder or rectum. Numerous studies have reported HDR brachytherapy is safe and effective. We adapted it for use without EBRT for cases not requiring lymph node treatment., Patients and Methods: We entered the patient demographics, disease characteristics, and treatment parameters into a prospective registry and serially added follow-up data for 448 men with low-risk (n=288) and intermediate-risk (n=160) prostate cancer treated from 1996 to 2009. Their median age was 64 years (range 42-90). The median prostate-specific antigen (PSA) level was 6.0 ng/mL (range 0.2-18.2). The Gleason score was ≤6 in 76% and 7 in 24%. The median dose was 43.5 Gy in 6 fractions. The clinical and biochemical disease control and survival rates were calculated. Adverse events were graded according to the Common Toxicity Criteria of Adverse Events., Results: The median follow-up period was 6.5 years (range 0.3-15.3). The actuarial 6- and 10-year PSA progression-free survival was 98.6% (95% confidence interval [CI] 96.9%-99.4%) and 97.8% (95% CI 95.5%-98.9%). Overall survival at 10 years was 76.7% (95% CI 69.9%-82.2%). The local control, distant metastasis-free survival, and cause-specific survival were 99.7% (95% CI 97.9%-99.9%), 98.9% (95% CI 96.3%-99.7%), and 99.1% (95% CI 95.8%-99.8%). T stage, initial PSA level, Gleason score, National Comprehensive Cancer Network risk group, patient age, and androgen deprivation therapy did not significantly correlate with disease control or survival. No late grade 3 to 4 rectal toxicities developed. Late grade 3 to 4 genitourinary toxicity occurred in 4.9% (grade 3 in 4.7%)., Conclusions: HDR monotherapy is a safe and highly effective treatment of low- and intermediate-risk prostate cancer., (Copyright © 2016 Elsevier Inc. All rights reserved.)
- Published
- 2016
- Full Text
- View/download PDF
12. LVAD Volume-Outcome Relationship: Surgeon, Center, or Both?
- Author
-
Fallon JM and Axelrod DA
- Subjects
- Humans, Treatment Outcome, Heart-Assist Devices, Surgeons
- Published
- 2016
- Full Text
- View/download PDF
13. Outcomes of lower extremity revascularization among the hemodialysis-dependent.
- Author
-
Fallon JM, Goodney PP, Stone DH, Patel VI, Nolan BW, Kalish JA, Zhao Y, and Hamdan AD
- Subjects
- Aged, Aged, 80 and over, Amputation, Surgical, Chi-Square Distribution, Disease-Free Survival, Female, Humans, Intermittent Claudication diagnosis, Intermittent Claudication mortality, Intermittent Claudication physiopathology, Ischemia diagnosis, Ischemia mortality, Ischemia physiopathology, Kaplan-Meier Estimate, Kidney Diseases diagnosis, Kidney Diseases mortality, Limb Salvage, Male, Middle Aged, Multivariate Analysis, Peripheral Arterial Disease diagnosis, Peripheral Arterial Disease mortality, Peripheral Arterial Disease physiopathology, Proportional Hazards Models, Registries, Reoperation, Retrospective Studies, Risk Factors, Time Factors, Treatment Outcome, United States, Vascular Patency, Endovascular Procedures adverse effects, Endovascular Procedures mortality, Intermittent Claudication surgery, Ischemia surgery, Kidney Diseases therapy, Lower Extremity blood supply, Peripheral Arterial Disease surgery, Renal Dialysis adverse effects, Renal Dialysis mortality, Vascular Surgical Procedures adverse effects, Vascular Surgical Procedures mortality
- Abstract
Objective: Optimal patient selection for lower extremity revascularization remains a clinical challenge among the hemodialysis-dependent (HD). The purpose of this study was to examine contemporary real world open and endovascular outcomes of HD patients to better facilitate patient selection for intervention., Methods: A regional multicenter registry was queried between 2003 and 2013 for HD patients (N = 689) undergoing open surgical bypass (n = 295) or endovascular intervention (n = 394) for lower extremity revascularization. Patient demographics and comorbidities were recorded. The primary outcome was overall survival. Secondary outcomes included graft patency, freedom from major adverse limb events, and amputation-free survival (AFS). Multivariate analysis was performed to identify independent risk factors for death and amputation., Results: Among the 689 HD patients undergoing lower extremity revascularization, 66% were male, and 83% were white. Ninety percent of revascularizations were performed for critical limb ischemia and 8% for claudication. Overall survival at 1, 2, and 5 years survival remained low at 60%, 43%, and 21%, respectively. Overall 1- and 2-year AFS was 40% and 17%. Mortality accounted for the primary mode of failure for both open bypass (78%) and endovascular interventions (80%) at two years. Survival, AFS, and freedom from major adverse limb event outcomes did not differ significantly between revascularization techniques. At 2 years, endovascular patency was higher than open bypass (76% vs 26%; 95% confidence interval [CI], 0.28-0.71; P = .02). Multivariate analysis identified age ≥80 years (hazard ratio [HR], 1.9; 95% CI, 1.4-2.5; P < .01), indication of rest pain or tissue loss (HR, 1.8; 95% CI, 1.3-2.6; P < .01), preoperative wheelchair/bedridden status (HR, 1.5; 95% CI, 1.1-2.1; P < .01), coronary artery disease (HR, 1.5; 95% CI, 1.2-1.9; P < .01), and chronic obstructive pulmonary disease (HR, 1.4; 95% CI, 1.1-1.8; P = .01) as independent predictors of death. The presence of three or more risk factors resulted in predicted 1-year mortality of 64%., Conclusions: Overall survival and AFS among HD patients remains poor, irrespective of revascularization strategy. Mortality remains the primary driver for these findings and justifies a prudent approach to patient selection. Focus for improved results should emphasize predictors of survival to better identify those most likely to benefit from revascularization., (Copyright © 2015 Society for Vascular Surgery. All rights reserved.)
- Published
- 2015
- Full Text
- View/download PDF
Catalog
Discovery Service for Jio Institute Digital Library
For full access to our library's resources, please sign in.