Publications by authors named "Gugenheim J"

Background & Aims: To maximize utility and prevent premature liver transplantation (LT), a delayed LT strategy (DS) was adopted in France in 2015 in patients listed for any single HCC treated with resection or thermal ablation during the waiting phase. The DS involves postponing LT until recurrence. The purpose of this study was to evaluate the DS to make sure that it did not hamper pre- and post-LT outcomes.

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Background: Gastric staple line leak treatment after laparoscopic sleeve gastrectomy (LSG) remains challenging. Regenerative medicine is gaining place in the accelerated treatment of damaged tissues. This study presents the first series of gastric leak treatment after LSG using endoscopic intragastric administration of combined autologous mesenchymal stem cells (MSC) and platelet-rich plasma (PRP).

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Autoimmune hepatitis (AIH) may recur after liver transplantation (LT). The aims of this study were to evaluate the incidence and risk factors for recurrent autoimmune hepatitis (rAIH). A multicenter retrospective French nationwide study, including all patients aged ≥16 transplanted for AIH, with at least 1 liver biopsy 1 year after LT, was conducted between 1985 and 2018.

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Background: The rates of unscheduled revision surgery (URS) after colorectal surgery and failure to rescue-surgical (FTR-s) are 2.4% and 11-17% respectively. The aim of this study was to evaluate the causes of URS lethality to reduce this rate after colorectal surgery.

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Objective: This study aims at establishing benchmark values for best achievable outcomes following open major anatomic hepatectomy for liver tumors of all dignities.

Background: Outcomes after open major hepatectomies vary widely lacking reference values for comparisons among centers, indications, types of resections, and minimally invasive procedures.

Methods: A standard benchmark methodology was used covering consecutive patients, who underwent open major anatomic hepatectomy from 44 high-volume liver centers from 5 continents over a 5-year period (2016-2020).

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Background: The aim of this study was to assess risk factors of mortality after unplanned surgery following colorectal resection.

Methods: All the consecutive patients who underwent colorectal resection between 2011 and 2020 in a French national cohort were retrospectively included. Perioperative data of the index colorectal resection (indication, surgical approach, pathological analysis, postoperative morbidity), and characteristics of unplanned surgery (indication, time to complication, time to surgical redo) were assessed in order to identify predictive factors of mortality.

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Objective: To investigate the way robotic assistance affected rate of complications in bariatric surgery at expert robotic and laparoscopic surgery facilities.

Background: While the benefits of robotic assistance were established at the beginning of surgical training, there is limited data on the robot's influence on experienced bariatric laparoscopic surgeons.

Methods: We conducted a retrospective study using the BRO clinical database (2008-2022) collecting data of patients operated on in expert centers.

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At the time of the growing obesity epidemic worldwide, liver transplantation (LT) and metabolic syndrome are closely linked: non-alcohol-related fatty liver disease (NAFLD) is one of the leading indications for liver transplantation, and metabolic syndrome can also appear after liver transplantation, in relation to immunosuppressive medications and weight gain, whatever was the initial liver disease leading to the indication of LT. Therefore, the role of bariatric surgery (BS) is important due to its longer-lasting effect and efficacy. We performed a retrospective review of all 50 adult French liver transplant recipients who had a history of bariatric surgery, including 37 procedures before transplantation, and 14 after.

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Background: With the Society of Gastrointestinal and Endoscopic Surgeons supervision, the Safe Cholecystectomy Task Force (SAFE CHOLE) was translated into French by the the Federation of Visceral and Digestive Surgery (FCVD) and adopted to run on its national e-learning platform for surgical continuing medical education (CME). The objective of this study was to assess the impact of the SAFE CHOLE (SF) program on the knowledge and practice of French surgeons performing cholecystectomy and participating in the FCVD lead CME activity.

Methods: To obtain CME certification, each participant must fill out three FCVD validated questionnaires regarding (1) the participants' routine practice for cholecystectomy, (2) the participants' knowledge and practice after successful completion of the program, and (3) the educational value of the SC program.

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Background & Aims: Liver transplantation (LT) is the only available treatment for end-stage non-alcoholic fatty liver disease (NAFLD) (related decompensated cirrhosis and/or hepatocellular carcinoma). The aim of our study was to evaluate the risk of disease recurrence after LT and the factors influencing it.

Method: This retrospective multicenter study included adults transplanted for NAFLD cirrhosis between 2000 and 2019 in 20 participating French-speaking centers.

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Background & Aims: Autoimmune hepatitis (AIH) is a rare indication for liver transplantation (LT). The aims of this study were to evaluate long-term survival after LT for AIH and prognostic factors, especially the impact of recurrent AIH (rAIH).

Methods: A multicentre retrospective nationwide study including all patients aged ≥16 transplanted for AIH in France was conducted.

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Background: The most common postoperative complication of laparoscopic sleeve gastrectomy (LSG) is staple-line leak. Even if its rate following LSG has been recently reduced, management of chronic leaks remains challenging.

Objective: To present a series of patients treated with laparoscopic Roux-en-Y fistulojejunostomy (LRYFJ) for chronic gastric leak (>12 wk) post-LSG.

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Background And Aims: Autoimmune hepatitis (AIH) is a rare indication (<5%) for liver transplantation (LT). The aim of this study was to describe the early outcome after LT for AIH.

Methods: A multicenter retrospective nationwide study including all patients aged ≥16 transplanted for AIH in France was conducted.

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Background And Aims: To report 5-year outcomes of the CERTITUDE study.

Methods: An observational study in patients with liver transplantation (LTx) compared the long-term impact of immunosuppression (with/without a calcineurin inhibitor) on renal function, cancers, major cardiovascular events (MACEs) and other safety parameters. All patients completing the 6-month SIMCER study were recruited and analysed according to treatment received at randomization and actual treatment received during the follow-up.

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Article Synopsis
  • Liver transplantation is effective for patients with end-stage non-alcoholic liver disease (NAFLD), particularly those with decompensated cirrhosis or hepatocellular carcinoma, but long-term outcomes are not well-documented.
  • A study reviewed data from 361 patients who underwent liver transplants from 2000-2019, revealing a dramatic increase in procedures and providing insights into survival rates and causes of death.
  • Findings indicated a 5-year survival rate of 79.8%, with major mortality risks linked to recipient BMI, cardiovascular history, and combined ages of donor and recipient exceeding 135 years.
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Introduction: Sleeve gastrectomy (SG) is the most performed bariatric surgery but gastric leaks following SG occur in up to 2% of cases. Regenerative medicine is emerging as a promising field offering multiple possibilities in wound healing. We studied the efficiency of locally administered mesenchymal stem cells (MSCs) and platelet-rich plasma (PRP) on leak closure following SG in rats.

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Multimodal treatment including surgery and chemotherapy is considered the gold standard treatment of pancreatic cancer by most guidelines. Neoadjuvant therapy (NAT) has been seen as a possible treatment option for resectable, borderline resectable and locally advanced PaC. The aim of this paper is to offer a state-of-the-art review on neoadjuvant treatments in the setting of pancreatic ductal adenocarcinoma.

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Purpose: The present study aims to determine the impact of previous bariatric surgery (BS) on the length of hospital stay; the incidence of mortality, re-transplantation, and re-hospitalization after LT; and the related economic costs, through the analysis of the French National Health Insurance Information System.

Materials And Methods: All patients aged > 18 years who underwent LT in France in the period from 2010 to 2019 were included. Thirty-nine patients with a history of BS (study group) were compared with 1798 obese patients without previous BS (control group).

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Background: One of the most feared and life-threatening complications after sleeve gastrectomy (SG) is staple line leak, with an incidence between 1 and 4%. Stable patients may be managed conservatively, with antibiotics, percutaneous drainage and endoscopy-based treatment. We propose mesenchymal stem cells (MSC) and platelet rich plasma (PRP) therapy as an innovative technique to treat leak after SG.

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Background: After liver transplantation (LT),de novo malignancies are one of the leading causes of late mortality. The aim of the present retrospective study was to identify the risk factors of de novo malignancies in a large cohort of LT recipients in France, using Fine and Gray competing risks regression analysis.

Methods: The study population consisted in 11004 adults transplanted between 2000 and 2013, who had no history of pre-transplant malignancy, except primary liver tumor.

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Background: Bariatric surgery has become widely performed for treating patients with morbid obesity, and the age limits are being pushed further and further as the procedure proves safe. After massive weight loss, many of those patients seek body-contouring surgery for excess skin and fat.

Objectives: To analyze the feasibility and the safety of abdominoplasty in patients older than 55 years old after bariatric surgery.

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