Publications by authors named "Yves-Patrice Le Treut"

Article Synopsis
  • Acute pancreatitis (AP) can be an early indicator of pancreatic ductal adenocarcinoma (PDAC), but its effects on surgery outcomes and patient survival are not well understood.
  • A study involving 1449 PDAC patients who underwent surgery found that while 8.5% had AP as their initial symptom, this did not lead to higher rates of postoperative complications or mortality.
  • Ultimately, having AP prior to curative surgery did not affect the patients' recovery or survival rates compared to those without AP.
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Background: Spontaneous rupture of hepatocellular carcinoma (HCC) remains a life-threatening complication, with a reported mortality rate of between 16 and 30% and an incidence rate of approximately 3% in Europe. Survival data and risk factors after ruptured HCC are lacking, especially for peritoneal metastasis (PM).

Objectives: The aims of this study were to evaluate the pattern of recurrence and mortality after hepatectomy for ruptured HCC, and to focus on PM.

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Background: Although radical resections are recommended for the surgical management of liver hydatid disease (LHD), whether closed (CCR) or opened (OCR) cyst resections should be performed remains unclear. The aim of this study was to compare the postoperative and long-term outcomes of CCR and OCR for primary and recurrent LHD.

Materials And Methods: Medical charts of patients who underwent surgery at a single centre were retrospectively reviewed and compared with respect to major postoperative complications and recurrence rates.

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Introduction: Central hepatectomy (CH) is technically challenging and seldom-used to treat centrally located tumors. However, CH is a parenchyma-sparing resection that may decrease the risk of postoperative liver failure. This retrospective study presents our technique of CH and assesses the outcomes.

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Background: The benefit of performing major hepatic resection (MHR) for hepatocellular carcinoma (HCC) in patients with cirrhosis remains controversial because of its high risk of posthepatectomy liver failure (PHLF). This study was conducted to assess the risk of MHR for HCC in patients with cirrhosis.

Methods: Patients with Child-Pugh A or B cirrhosis and HCC who underwent MHR from January 2000 to June 2014 were retrospectively identified.

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Objective: To perform a retrospective root-cause analysis of the causes of postoperative mortality after hepatectomy.

Background: Mortality after liver resection has not decreased over the past decade.

Methods: The study population was a prospective cohort of hepatectomies performed at hepatic, pancreatic, and biliary (HPB) centers between October 2012 and December 2014.

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Background: Postoperative complications influence overall and disease free survival after pancreaticoduodenectomy for pancreatic ductal adenocarcinoma is still a matter of debate and controversy.

Methods: The outcome of 942 consecutive patients, from the multicentric study of the French Association of Surgery, between January 2004 and December 2009 was analyzed. Perioperative data, including severe complications (grade III and above), were used in univariate and multivariate analysis to assess their influence on overall and disease free survival.

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Objectives: The optimal number of lymph nodes that need to be analyzed to reliably assess nodal status in distal pancreatectomy for adenocarcinoma is still unknown.

Methods: Two hundred seventy-eight patients who underwent distal pancreatectomy for adenocarcinoma were retrieved from a retrospective French nationwide database. The relations between the number of analyzed lymph nodes and the nodal status of the tumor were studied.

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Background: ICGR15 is widely used in Asia to evaluate the liver reserve before hepatectomy, but not in Western countries where patients are selected using the MELD score and/or platelet count. Postoperative liver failure is rare nowadays, but hepatic decompensation (HD), defined by 3-month postoperative ascites, impairs quality of life and survival. The aim of this study was to evaluate the relevance of indocyanine green retention rate at 15 min (ICGR15) before liver resection in Western countries, in order to predict HD.

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Background: Laparoscopic pancreaticoduodenectomy (LPD) is technically demanding, and its impact on postoperative outcomes remains controversial.

Objective: To compare short-term outcomes between laparoscopic versus open pancreaticoduodenectomy (OPD) in order to assess the safety of LPD.

Methods: From 2002 to 2014, all consecutive patients undergoing LPD or OPD at two tertiary centers were retrospectively analyzed.

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Objective: The aim of the study was to assess the relevance of resection margin status for survival after resection of pancreatic-head ductal adenocarcinoma.

Summary Background Data: The definition and prognostic value of incomplete microscopic resection (R1) remain controversial.

Methods: Prognostic factors were analyzed in 147 patients included in a prospective multicenter study on the impact of tumor clearance evaluated using a standardized pathology protocol.

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Background: The incidence of spontaneous rupture of hepatocellular carcinoma (HCC) is low in Europe, at less than 3%. HCC rupture remains a life-threatening complication, with mortality reported between 16 and 30%. The risk of bleeding recurrence has never been clearly evaluated in such clinical situation.

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Background/aim: The aim of this study was to determine the effects of surgical experience on early postoperative courses after pancreaticoduodenectomy (PD) with venous resection.

Patients And Methods: From 2005 to 2014, 134 patients were analyzed, 62 and 72 patients were resected in periods 1 (2005-2009) and 2 (2010-2014) respectively; 115 and 19 patients underwent PD with venous resection in high- and low-volume center groups respectively.

Results: Of the entire cohort, mortality rate was 4%.

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Aim: To compare the performances of the Barcelona clinic liver cancer (BCLC) nomogram and others systems (BCLC, HKLC, CLIP, NIACE) for survival prediction in a large hepatocellular carcinoma (HCC) French cohort.

Methods: Data were collected retrospectively from 01/2007 to 12/2013 in five French centers. Newly diagnosed HCC patients were analyzed.

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Background: Predictors of recurrence following pancreaticoduodenectomy are well described for ductal periampullary cancers but lack reliability for non-ductal tumors. The purpose of this study is to analyze the disease-free survival (DFS) and to define the predictors of recurrence following resection for ampullary (AC), bile duct (BDC) and duodenal cancers (DC).

Materials And Methods: Clinico-pathological data of patients operated on between 2001 and 2011 were retrospectively reviewed.

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Background: Hepatocellular adenoma (HCA) is a benign hepatic lesion that may be complicated by bleeding and malignant transformation. The aim of the present study is to report on large series of liver resections for HCA and assess the incidence of hemorrhage and malignant transformation.

Methods: A retrospective cross-sectional study, from 27 European high-volume HPB units.

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Background: Raoultella ornithinolytica is known to inhabit aquatic environments. The clinical features and outcomes of human infections caused by R. ornithinolytica have been reported for only a limited number of cases.

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The aim of this study was to collect data from patients who underwent liver transplantation (LT) for adenomatosis; to analyze the symptoms, the characteristics of the disease, and the recipient outcomes; and to better define the role of LT in this rare indication. This retrospective multicenter study, based on data from the European Liver Transplant Registry, encompassed patients who underwent LT for adenomatosis between January 1, 1986, and July 15, 2013, in Europe. Patients with glycogen storage disease (GSD) type IA were not excluded.

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Background: Postoperative outcomes following pancreaticoduodenectomy are well described for pancreatic cancers. Due to a lower incidence rate, complication rates and relative predictive factors are less detailed for ampullary, bile duct and duodenal cancers.

Methods: Medical charts of patients operated on between 2001 and 2011 for an ampullary, bile duct or duodenal cancer were reviewed.

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Background: The influence of jaundice on outcomes after pancreaticoduodenectomy (PD) for pancreatic ductal adenocarcinoma (PDAC) is debated. This study aimed to determine, in a large multicentric series, the influence of severe jaundice (serum bilirubin level ≥250 μmol/L and 300 μmol/L) on early severe morbidity and survival after PD.

Study Design: From 2004 to 2009, twelve hundred patients (median age 66 years, 57% male) with resectable PDAC underwent PD.

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Introduction: Predictors of survival following pancreaticoduodenectomy (PD) are well described for pancreatic cancers but are less detailed in ampullary (AC), bile duct (BDC) and duodenal cancers (DC). We therefore sought to evaluate the long-term results of PD for AC, BDC and DC, and to determine for each tumour the predictive factors of survival.

Methods: Medical charts of patients operated on between 2001 and 2011 were retrospectively reviewed.

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In France, decisions regarding superurgent (SU) liver transplantation (LT) for patients with acute liver failure (ALF) are principally based on the Clichy-Villejuif (CV) criteria. The aims of the present study were to study the outcomes of patients registered for SU LT and the factors that were predictive of spontaneous improvement and to determine the usefulness of the CV criteria. All patients listed in France for SU LT between 1997 and 2010 who were 15 years old or older with ALF were included.

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Background: Venous resection (VR) during pancreatectomy has been reported to neither increase mortality nor morbidity and to provide similar survival outcomes in same stage tumors. However, controversy remains regarding the indications for up-front surgery according to the degree of venous involvement.

Methods: From 2004 to 2009, 1,399 patients included in a French multicenter survey underwent pancreaticoduodenectomy or total pancreatectomy for pancreatic adenocarcinoma, either without VR (997 standard resections [SR]) or with VR (402 patients; 29 %).

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Purpose: Aberrant activation of the hedgehog (Hh) pathway is implicated in pancreatic ductal adenocarcinoma (PDAC) tumorigenesis. We investigated the prognostic and predictive value of four Hh signaling proteins and of the tumor stromal density.

Experimental Design: Using tissue microarray and immunohistochemistry, the expression of Shh, Gli1, SMO, and PTCH1 was assessed in 567 patients from three independent cohorts who underwent surgical resection for PDAC.

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