Publications by authors named "Pierre Cattan"

Background: Increased survival can be achieved in patients with colorectal cancer peritoneal metastases (CRPM) treated with cytoreductive surgery. The benefit of this strategy remains uncertain when CRPM are associated with extraperitoneal metastases (EPM). The aim of this study was to compare short- and long-term outcomes of patients treated with CRS for CRPM, with or without EPM.

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Article Synopsis
  • * Researchers studied robot-assisted surgery (RAS) in a French hospital to see if it helped patients leave the hospital sooner compared to traditional surgeries.
  • * They found that RAS led to shorter hospital stays, especially for urology patients, saving a lot of hospital days and helping hospitals take care of more patients.
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  • Esogastric cancers commonly affect patients over 75, yet there's a lack of specific guidelines for their treatment, which is crucial due to the cancers' poor prognosis.
  • Optimizing care through personalized approaches like geriatric assessments, prehabilitation, and minimally invasive surgeries can enhance treatment outcomes and reduce morbidity.
  • Adaptations to treatment such as dose reductions for chemotherapy and exploring immunotherapy may benefit older patients, highlighting the need for better supportive care and further research in this demographic.
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Background: Esophagectomy is associated with significant mortality. A better understanding of the causes leading to death may help to reduce mortality. A root cause analysis of mortality after esophagectomy was performed.

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  • * Out of 569 patients, 90% had intentional caustic ingestion, with a 9.8% in-hospital mortality rate and 74% experiencing complications during their ICU stay.
  • * Factors like age (especially over 40) and a specific health score (SAPS II) were found to significantly correlate with the likelihood of mortality in these patients.
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Tissue engineering is a promising alternative to current full thickness circumferential esophageal replacement methods. The aim of our study was to develop a clinical grade Decellularized Human Esophagus (DHE) for future clinical applications. After decontamination, human esophagi from deceased donors were placed in a bioreactor and decellularized with sodium dodecyl sulfate (SDS) and ethylendiaminetetraacetic acid (EDTA) for 3 days.

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Background: Microsatellite instability (MSI) is a negative predictive factor for neoadjuvant chemotherapy in resectable oesogastric adenocarcinoma and a crucial determinant for immunotherapy. We aimed to evaluate reliability of dMMR/MSI status screening performed on preoperative endoscopic biopsies.

Methods: Paired pathological samples from biopsies and surgical specimen of oesogastric adenocarcinoma were retrospectively collected between 2009 and 2019.

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Esophageal cancer surgery is still carrying a high risk of morbidity and mortality. That is why some anesthesia strategies have tried to reduce those postoperative complications. In this systematic review performed in accordance with the PRISMA-S guidelines (PROSPERO (ID: CRD42022310385)), we aimed to investigate the safety and advantages of two-lung ventilation (TLV) over one-lung ventilation (OLV) in minimally invasive esophagectomy (MIE) in the prone position.

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Objective: T cells are major effectors of the antitumoural immune response. Their activation by tumour-associated antigens can unleash their proliferation and cytotoxic functions, leading to tumour cell elimination. However, tumour-related immunosuppressive mechanisms including the overexpression of immune checkpoints like programmed cell death protein-1 (PD-1), are also engaged, promoting immune escape.

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Background: Predictors of the efficacy of endoscopic dilation for caustic esophageal stricture have been poorly studied.

Methods: All patients undergoing an endoscopic dilation for an esophageal caustic stricture between 1990 and 2015 in a French national reference center were included. Success of dilation was defined by self-food autonomy without the need for reconstructive esophageal surgery.

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Computed tomography (CT) is used increasingly for the emergency assessment of caustic injuries and the need for emergency endoscopy has been challenged. The study evaluates outcomes of caustic ingestion in the modern era and the feasibility of abandoning emergency endoscopy. Between 2013 and 2019, 414 patients (197 men, median age 42 years) were admitted for caustic ingestion.

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Background: Most anastomotic leaks after surgical resection for esophageal or esophagogastric junction malignancies are treated endoscopically with esophageal stents. Internal drainage by double pigtail stents has been used for the endoscopic management of leaks following bariatric surgery, and recently introduced for anastomotic leaks after resections for malignancies. Our aim was to assess the overall efficacy of the endoscopic treatment for anastomotic leaks after esophageal or gastric resection for malignancies.

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Importance: Caustic ingestion in adults may result in death or severe digestive sequelae. The scarcity of nationwide epidemiological data leads to difficulties regarding the applicability of their analysis to less specialized centers, which are nevertheless largely involved in the emergency management of adverse outcomes following caustic ingestion.

Objective: To assess outcomes associated with caustic ingestion in adults across a nationwide prospective database.

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Glucocorticoids (GCs) are widely prescribed for their anti-inflammatory and immunosuppressive properties as a treatment for a variety of diseases. The use of GCs is associated with important side effects, including diabetogenic effects. However, the underlying mechanisms of GC-mediated diabetogenic effects in β-cells are not well understood.

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In pathologies of the esophagus such as esophageal atresia, cancers and caustic injuries, methods for full thickness esophageal replacement require the sacrifice of healthy intra-abdominal organs such as the stomach and the colon. These methods are associated with high morbidity, mortality and poor functional results. The reconstruction of an esophageal segment by tissue engineering (TE) could answer this problem.

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Background: Tissue engineering is an attractive alternative to conventional esophageal replacement techniques using intra-abdominal organs which are associated with a substantial morbidity. The objective was to evaluate the feasibility of esophageal replacement by an allogenic decellularized esophagus in a porcine model. Secondary objectives were to evaluate the benefit of decellularized esophagus recellularization with autologous bone marrow mesenchymal stromal cells and omental maturation of the decellularized esophagus.

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In esophageal pathologies, such as esophageal atresia, cancers, caustic burns, or post-operative stenosis, esophageal replacement is performed by using parts of the gastrointestinal tract to restore nutritional autonomy. However, this surgical procedure most often does not lead to complete functional recovery and is instead associated with many complications resulting in a decrease in the quality of life and survival rate. Esophageal tissue engineering (ETE) aims at repairing the defective esophagus and is considered as a promising therapeutic alternative.

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Introduction: Sarcopenia is a prognostic factor of esophageal carcinoma (EC) before surgery, with less convincing data reported before chemoradiotherapy (CRT).

Material And Methods: All patients with a locally advanced EC who had been treated with upfront CRT, between 2010 and 2015, were included. The decision of surgery was made after CRT (40-50 Gy).

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Background: Postoperative upper gastrointestinal fistula (PUGIF) is a devastating complication, leading to high mortality (reaching up to 80%), increased length of hospital stay, reduced health-related quality of life and increased health costs. Nutritional support is a key component of therapy in such cases, which is related to the high prevalence of malnutrition. In the prophylactic setting, enteral nutrition (EN) is associated with a shorter hospital stay, a lower incidence of severe infectious complications, lower severity of complications and decreased cost compared to total parenteral nutrition (TPN) following major upper gastrointestinal (GI) surgery.

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