10 results on '"Schäfer, Markus"'
Search Results
2. The "Real R0": A Resection Margin Smaller Than 0.1 cm is Associated with a Poor Prognosis After Oncologic Esophagectomy.
- Author
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St-Amour P, Winiker M, Sempoux C, Fasquelle F, Demartines N, Schäfer M, and Mantziari S
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- Humans, Neoplasm Recurrence, Local surgery, Prognosis, Retrospective Studies, Esophagectomy, Margins of Excision
- Abstract
Background: Although resection margin (R) status is a widely used prognostic factor after esophagectomy, the definition of positive margins (R1) is not universal. The Royal College of Pathologists considers R1 resection to be a distance less than 0.1 cm, whereas the College of American Pathologists considers it to be a distance of 0.0 cm. This study assessed the predictive value of R status after oncologic esophagectomy, comparing survival and recurrence among patients with R0 resection (> 0.1-cm clearance), R0+ resection (≤ 0.1-cm clearance), and R1 resection (0.0-cm clearance)., Methods: The study enrolled all eligible patients undergoing curative oncologic esophagectomy between 2012 and 2018. Clinicopathologic features, survival, and recurrence were compared for R0, R0+, and R1 patients. Categorical variables were compared with the chi-square or Fisher's test, and continuous variables were compared with the analysis of variance (ANOVA) test, whereas the Kaplan-Meier method and Cox regression were used for survival analysis., Results: Among the 160 patients included in this study, 113 resections (70.6%) were R0, 34 (21.3%) were R0+, and 13 (8.1%) were R1. The R0 patients had a better overall survival (OS) and disease-free survival (DFS) than the R0+ and R1 patients. The R0+ resection offered a lower long-term recurrence risk than the R1 resection, and the R status was independently associated with DFS, but not OS, in the multivariate analysis. Both the R0+ and R1 patients had significantly more adverse histologic features (lymphovascular and perineural invasion) than the R0 patients and experienced more distant and locoregional recurrence., Conclusions: Although R status is an independent predictor of DFS after oncologic esophagectomy, the < 0.1-cm definition for R1 resection seems more appropriate than the 0.0-cm definition as an indicator of poor tumor biology, long-term recurrence, and survival., (© 2021. The Author(s).)
- Published
- 2021
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3. Early postoperative decrease of albumin is an independent predictor of major complications after oncological esophagectomy: A multicenter study.
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Labgaa I, Mantziari S, Genety M, Elliott JA, Kamiya S, Kalff MC, Winiker M, Pasquier J, Allemann P, Messier M, van Berge Henegouwen MI, Nilsson M, Reynolds JV, Piessen G, Hübner M, Demartines N, and Schäfer M
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- Aged, Esophageal Neoplasms metabolism, Esophageal Neoplasms pathology, Female, Follow-Up Studies, Humans, Male, Middle Aged, Postoperative Complications etiology, Postoperative Complications metabolism, Predictive Value of Tests, Retrospective Studies, Risk Factors, Survival Rate, Biomarkers, Tumor metabolism, Esophageal Neoplasms surgery, Esophagectomy adverse effects, Postoperative Complications diagnosis, Serum Albumin metabolism
- Abstract
Background and Objectives: Serum albumin perioperative decrease (∆Alb) may reflect the magnitude of the physiological stress induced by surgery. Studies highlighted its value to predict adverse postoperative outcomes, but data in esophageal surgery are scant. This study aimed to investigate the role of ∆Alb to predict major complications after esophagectomy for cancer., Methods: Multicenter retrospective study conducted in five high-volume centers, including consecutive patients undergoing an esophagectomy for cancer between 2006 and 2017. Patients were randomly assigned to a training (n = 696) and a validation (n = 350) cohort. Albumin decrease was calculated on postoperative day 1 and defined as ΔAlb. The primary endpoint was major complications according to Clavien classification., Results: In the training cohort, esophagectomy induced a rapid drop of albumin. Cut-off of ΔAlb was established at 11 g/L and allowed to distinguish patients with adverse outcomes. On multivariable analysis, ΔAlb was identified as an independent predictor of major complications (OR, 1.06; 95% CI, 1.01-1.11; p = .014). Higher BMI and laparoscopy were associated with lower ΔAlb. Analysis of the validation cohort provided consistent findings., Conclusions: ΔAlb appeared as a promising biomarker after oncological esophagectomy, allowing prediction of potential adverse outcomes., (© 2020 Wiley Periodicals LLC.)
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- 2021
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4. Incidence and Risk Factors Related to Symptomatic Venous Thromboembolic Events After Esophagectomy for Cancer.
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Mantziari S, Gronnier C, Pasquer A, Gagnière J, Théreaux J, Demartines N, Schäfer M, and Mariette C
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- Adult, Aged, Aged, 80 and over, Female, Hospital Mortality, Humans, Incidence, Length of Stay, Male, Middle Aged, Risk Factors, Venous Thromboembolism etiology, Esophageal Neoplasms surgery, Esophagectomy adverse effects, Postoperative Complications etiology, Venous Thromboembolism epidemiology
- Abstract
Background: Major oncologic surgery is associated with a high incidence of venous thromboembolic events (VTE), including deep venous thrombosis (DVT) and pulmonary embolism (PE). However, the incidence and risk factors for symptomatic VTE during curative treatment for patients with esophageal cancer are poorly documented., Methods: Data were collected from 30 European centers from 2000 to 2010. The incidence of in-hospital VTE was assessed in 2,944 patients with esophageal cancer having surgery with curative intent, and 50 clinically relevant parameters were assessed as potential risk factors for VTE. Patients received low molecular weight heparin prophylaxis during hospital stay and for 4 weeks after surgery., Results: Eighty-four patients (2.9%) developed a symptomatic VTE; all of them had a DVT and 44 were also diagnosed with a PE. In the VTE group there were 19 postoperative deaths recorded, 5 of which (26.3%) were directly caused by PE at postoperative days 7, 10, 21, 45, and 48 despite VTE prophylaxis. In-hospital postoperative mortality was significantly higher in VTE patients (23% versus 7%, p < 0.001) and mean hospital stay was also longer in this group (33 ± 24 versus 25 ± 21 days, p < 0.001). Multivariable analysis showed that high American Society of Anesthesiologists (ASA) class (p = 0.008), pneumopathy (p = 0.002), or an acute respiratory distress syndrome (ARDS) (p = 0.015) were significantly associated with VTE., Conclusions: Patients with ASA class III or IV and those who present a postoperative pneumopathy or ARDS seem to be at higher risk for VTE. Thus, current VTE screening and thromboprophylaxis for these patients might be inadequate and needs further investigation., (Copyright © 2016 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.)
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- 2016
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5. Impact of preoperative risk factors on morbidity after esophagectomy: is there room for improvement?
- Author
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Mantziari S, Hübner M, Demartines N, and Schäfer M
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- Aged, Aged, 80 and over, Alcohol Drinking epidemiology, Body Mass Index, Female, Humans, Logistic Models, Male, Malnutrition epidemiology, Middle Aged, Morbidity, Multivariate Analysis, Nutritional Status, Postoperative Complications epidemiology, ROC Curve, Risk Factors, Smoking epidemiology, Esophageal Neoplasms epidemiology, Esophageal Neoplasms surgery, Esophagectomy
- Abstract
Background: Despite progress in multidisciplinary treatment of esophageal cancer, oncologic esophagectomy is still the cornerstone of therapeutic strategies. Several scoring systems are used to predict postoperative morbidity, but in most cases they identify nonmodifiable parameters. The aim of this study was to identify potentially modifiable risk factors associated with complications after oncologic esophagectomy., Methods: All consecutive patients with complete data sets undergoing oncologic esophagectomy in our department during 2001-2011 were included in this study. As potentially modifiable risk factors we assessed nutritional status depicted by body mass index (BMI) and preoperative serum albumin levels, excessive alcohol consumption, and active smoking. Postoperative complications were graded according to a validated 5-grade system. Univariate and multivariate analyses were used to identify preoperative risk factors associated with the occurrence and severity of complications., Results: Our series included 93 patients. Overall morbidity rate was 81 % (n = 75), with 56 % (n = 52) minor complications and 18 % (n = 17) major complications. Active smoking and excessive alcohol consumption were associated with the occurrence of severe complications, whereas BMI and low preoperative albumin levels were not. The simultaneous presence of two or more of these risk factors significantly increased the risk of postoperative complications., Conclusions: A combination of malnutrition, active smoking and alcohol consumption were found to have a negative impact on postoperative morbidity rates. Therefore, preoperative smoking and alcohol cessation counseling and monitoring and improving the nutritional status are strongly recommended.
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- 2014
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6. Redistribution of gastric blood flow by embolization of gastric arteries before esophagectomy.
- Author
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Diana M, Hübner M, Vuilleumier H, Bize P, Denys A, Demartines N, and Schäfer M
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- Adenocarcinoma mortality, Adenocarcinoma pathology, Adenocarcinoma surgery, Adult, Aged, Aged, 80 and over, Blood Flow Velocity, Carcinoma, Squamous Cell mortality, Carcinoma, Squamous Cell pathology, Carcinoma, Squamous Cell surgery, Case-Control Studies, Esophageal Neoplasms mortality, Esophageal Neoplasms pathology, Esophagectomy methods, Female, Humans, Male, Middle Aged, Neoplasm Staging, Postoperative Complications prevention & control, Preoperative Care methods, Prognosis, Reference Values, Retrospective Studies, Risk Assessment, Statistics, Nonparametric, Survival Analysis, Treatment Outcome, Anastomotic Leak prevention & control, Embolization, Therapeutic methods, Esophageal Neoplasms surgery, Esophagectomy adverse effects, Stomach blood supply
- Abstract
Background: Anastomotic leak remains a common and potentially deleterious complication after esophagectomy. Preoperative embolization of the left gastric artery and splenic artery (PAE) has been suggested to lower anastomotic leak rates. We present the results of our 5-year experience with this technique., Methods: All patients undergoing PAE before esophagectomy since introduction of this technique in 2004 were compared in a 1:2 matched-pair analysis with patients without PAE. Matching criteria were type of anastomosis, neoadjuvant treatment, comorbidity, and age. Data were derived from a retrospective chart review from 2000 to 2006 that was perpetuated as a prospective database up to date. Outcome measures were anastomotic leak, overall complications, and hospital stay., Results: Between 2000 and 2009, 102 patients underwent esophagectomy for cancer in our institution with an overall leak rate of 19% and a mortality of 8%. All 19 patients having PAE since 2004 were successfully matched 1:2 to 38 control patients without PAE; both groups were similar regarding demographics and operation characteristics. Two PAE (11%) and 8 control patients (21%) had an anastomotic leak, but the difference was statistically not significant (p=0.469). Overall and major complication rates for PAE and control group were 89% versus 79% (p=0.469) and 37% versus 34% (p=1.000), respectively. Median intensive care unit and hospital stay were 3 versus 3 days (p=1.000) and 22 versus 17 days (p=0.321), respectively., Conclusions: In our experience, PAE has no significant impact on complications and anastomotic leak in particular after esophagectomy., (Copyright © 2011 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.)
- Published
- 2011
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7. P38 RESECTION MARGINS AFTER ONCOLOGICAL ESOPHAGECTOMY ; DOES THE DEFINITION OF THE R STATUS MATTER?
- Author
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Schäfer Markus, Sempoux Christine, Mantziari Styliani, Demartines Nicolas, Winiker Michael, and St-Amour Penelope
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medicine.medical_specialty ,business.industry ,Esophagectomy ,General surgery ,medicine.medical_treatment ,Gastroenterology ,Medicine ,General Medicine ,business ,Resection - Abstract
Aim This study aimed to compare long-term survival and recurrence of patients depending on their R status: R0 (>1mm of clearance), R1 (positive margins with 0mm clearance) and R0+ (margins with Background & Methods Resection margin (R) status is a known prognostic factor after curative esophagectomy. Different definitions of microscopic margin involvement are currently used. The American College of Pathologists defines R1 as a direct contact of the tumor with the resection margin (0mm), whereas the Royal College of Pathologists considers a positive margin as being within 1mm distance ( All consecutive patients between 2012-2018 undergoing a curative esophagectomy for squamous cell cancer or adenocarcinoma of the esophagus or gastroesophageal junction were included. Clinical features, overall survival and recurrence were compared between patients with R0, R1 and R0+ status, with a specific subgroup analysis of locally advanced (cT3/4) tumors to eliminate baseline differences. Categorical variables were compared with the x2 or Fisher’s exact test, continuous variables with the ANOVA tests, whereas the Kaplan-Meier method with the log rank test was used for survival analyses. Results Among the 174 included patients, 126 (72.5%) resections were R0, 14 (8%) R1 and 34 (19.5%) R0+ resection. R0 patients had a better overall (OS) (median 59 months, 95%CI 34-84) and disease-free survival (DFS) (median not reached) compared to R1 (OS 20 months, 95%CI 8-32, DFS 9 months, 95%CI 7-11) and R0+ patients (OS 24months, 95% CI 19-29, DFS 13, 95%CI 3-23). Pairwise comparison revealed a similar OS (p=0.47) but a trend to better median DFS for R0+ patients compared to R1 (p=0.051). Within the locally advanced subgroup, R0 patients also had a better OS (median 59 months versus 20 months for R1 and 24 months for R0+, p=0.012) and DFS (33 months versus 9 and 18 months respectively, p Conclusion R0 resection has a superior overall and disease-free survival after esophagectomy than R1 and R0+. A margin clearance of
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- 2019
8. Locoregional Tumor Extension and Preoperative Smoking are Significant Risk Factors for Early Recurrence After Esophagectomy for Cancer.
- Author
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Mantziari, Styliani, Allemann, Pierre, Winiker, Michael, Demartines, Nicolas, and Schäfer, Markus
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TUMOR surgery ,ESOPHAGECTOMY ,ONCOLOGIC surgery ,CANCER treatment ,ESOPHAGEAL surgery - Abstract
Background: Tumor recurrence during the first year after oncological esophagectomy has been reported in up to 17-66% of patients. However, little is known as to the risk factors potentially associated with this adverse outcome. The aim of this retrospective observational study was to identify clinically relevant parameters associated with early recurrence.Methods: All patients with squamous cell cancer or adenocarcinoma of the esophagus or gastroesophageal junction, operated with curative intent in our center from 2000 to 2014, were screened for this study. Univariate analysis was conducted to identify variables potentially associated with early recurrence, and clinically relevant parameters with P < 0.1 were included in multiple logistic regression. Survival analyses were conducted with the Kaplan-Meier method. Significance threshold was set at P < 0.05.Results: Among the 164 included patients, 46 (28%) presented early recurrence. Eight patients (17.4%) had locoregional and 38 patients (82.6%) metastatic recurrence. Advanced T and N stages, lymph node capsular effraction, a high positive-to-resected lymph node ratio, positive resection margins, poor response to neoadjuvant treatment, preoperative active smoking, malnutrition and dysphagia were associated with early recurrence on a univariate level. In multivariable analysis, preoperative smoking (OR 2.76, 95% CI 1.28-6.17), pT stage (OR 1.72, 95% CI 1.18-2.58) and an increased positive-to-resected lymph node ratio (OR 6.72, 95% CI 1.08-48.51) remained independently associated with ER.Conclusion: Our study identified both patient- and tumor-related parameters as risk factors for early recurrence after oncological esophagectomy. Of particular interest, active smoking was significantly associated with this adverse outcome, highlighting the importance of preoperative smoking cessation. [ABSTRACT FROM AUTHOR]
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- 2018
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9. Esophageal Cancer in Elderly Patients, Current Treatment Options and Outcomes; A Systematic Review and Pooled Analysis.
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Mantziari, Styliani, Teixeira Farinha, Hugo, Bouygues, Vianney, Vignal, Jean-Charles, Deswysen, Yannick, Demartines, Nicolas, Schäfer, Markus, Piessen, Guillaume, Hillmer, Axel, and Tsujimoto, Hironori
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EVALUATION of medical care ,ONLINE information services ,MEDICAL information storage & retrieval systems ,SYSTEMATIC reviews ,COMBINED modality therapy ,MEDLINE ,ESOPHAGEAL tumors - Abstract
Simple Summary: Any given treatment may provide improve survival for elderly patients with oesophageal cancer compared to best supportive care. Although surgery may be related to a higher rate of complications in these patients, it also offers the best chance for survival, especially when combined with perioperative chemo-or chemoradiation. Definitive chemoradiation remains also a valid and widely used curative approach in this population. Quality of life after oesophageal cancer treatment does not seem to be particularly compromised in elderly patients, although the risk of loss of autonomy after the disease is higher. Based on the available data, excluding a priori elderly patients from curative treatment based on age alone cannot be supported. A thorough general health status and geriatric assessment is necessary to offer the optimal treatment, tailored to the individual patient. Esophageal cancer, despite its tendency to increase among younger patients, remains a disease of the elderly, with the peak incidence between 70–79 years. In spite of that, elderly patients are still excluded from major clinical trials and they are frequently offered suboptimal treatment even for curable stages of the disease. In this review, a clear survival benefit is demonstrated for elderly patients treated with neoadjuvant treatment, surgery, and even definitive chemoradiation compared to palliative or no treatment. Surgery in elderly patients is often associated with higher morbidity and mortality compared to younger patients and may put older frail patients at increased risk of autonomy loss. Definitive chemoradiation is the predominant modality offered to elderly patients, with very promising results especially for squamous cell cancer, although higher rates of acute toxicity might be encountered. Based on the all the above, and although the best available evidence comes from retrospective studies, it is not justified to refrain from curative treatment for elderly patients based on their age alone. Thorough assessment and an adapted treatment plan as well as inclusion of elderly patients in ongoing clinical trials will allow better understanding and management of esophageal cancer in this heterogeneous and often frail population. [ABSTRACT FROM AUTHOR]
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- 2021
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10. Preoperative immunonutrition for esophageal cancer.
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Martin, David, Mantziari, Styliani, Hübner, Martin, Winiker, Michael, Allemann, Pierre, Demartines, Nicolas, and Schäfer, Markus
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- *
TREATMENT of esophageal cancer , *PREOPERATIVE care , *ESOPHAGECTOMY , *SURGICAL complications , *CANCER immunotherapy , *IMMUNONUTRITION diet - Abstract
Abstract Introduction Preoperative malnutrition is a demonstrated risk factor for adverse outcomes after esophagectomy. Optimizing patients' nutritional and immunological status may have beneficial impact. Objective The aim of the present study was to evaluate the impact of preoperative oral immunonutrition (IN) on postoperative outcomes after oncological esophagectomy. Methods Retrospective single-centre study of consecutive patients operated for esophageal cancer between 2011-2015. IN was introduced in our institution in 2013 and was given 7 days preoperatively. IN patients were compared to a control group in terms of postoperative complications, mortality and length of stay. Results Thirty-eight IN patients were compared to 38 control patients, with comparable baseline characteristics. Seven (19%) and 11 (31%) patients were malnourished preoperatively in IN and control groups respectively (P = 0.209). Overall complication rate was 74% in the IN group and 68% in the control group (P = 0.801). Major complications occurred in 13 patients (34%) in the IN versus 8 patients (21%) in the control group (P = 0.192) and there was no significant difference in terms of mortality (respectively 11 vs. 3%, P = 0.358). Median length of stay was significantly higher in the IN group (24 days, IQR 14-53) than in controls (16 days, IQR 12-23, P = 0.034). Conclusion A positive impact of IN on postoperative outcomes after oncological esophagectomy could not be measured. [ABSTRACT FROM AUTHOR]
- Published
- 2018
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