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Laparoscopic pancreatic enucleation: how far should we go for parenchyma preservation? A study by the French National Association of Surgery
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Edité par CCSD ; Springer Verlag (Germany) -
International audience. Background: Pancreatic enucleation is indicated for selected patients and tumours with very low oncological risk to preserve a maximum of healthy pancreatic parenchyma. Minimally invasive pancreatic enucleation (MIPE) is increasingly performed. This study aims to assess the impact of tumor location and center experience on textbook outcomes (TBO) in patients undergoing MIPE.Methods: Retrospective nationwide multicentric cohort study including MIPE performed between 2010 and 2021. Tumor localization was classified as head/uncus, neck or body/tail (results are presented in this order). Centers were classified according to a mean volume of MI pancreatectomies performed per year: lower (< 5/year), intermediate (5 to 10/year) and higher volume (≥ 10/year). TBO was defined as meeting all 6 criteria: no postoperative pancreatic fistula (POPF), no post-pancreatectomy haemorrhage (PPH), no bile leak, no readmission, no mortality, and no severe morbidity.Results: 27 participating centers performed 200 MIPE located in head/uncus (n = 65, 33%), neck (n = 26, 13%) and body/tail (n = 109, 55%), 8% of them performed by robotic approach. Mortality reached 1.5% (n = 3). Head/uncus lesions were larger (p = 0.03), frequently BD-IPMN (p = 0.04), with significant longer operative time (p = 0.002). TBO achievement was high across all tumor locations (52 vs. 73 vs. 67%, p = 0.09) with higher PPH (p = 0.03) or bile leaks (p = 0.03) for head/uncus lesions. In multivariate analysis, overweight (OR 0.49), preoperative biopsy (OR 0.41) and head/uncus lesion (OR 0.34) were independently associated with lower TBO. No independent risk factor was found for POPF or severe morbidity. While expertise level influenced indications, with more cystic lesions (p = 0.002), larger tumors (p = 0.003), 3D use (p = 0.001), and head/uncus lesions (p = 0.04) in high volume centers, TBO was not significantly different (p = 0.45).Conclusions: MIPE is feasible with 1.5% mortality whatever its localization with higher morbidity for head/uncus lesions, justified by the will to avoid pancreaticoduodenectomy. High volume centers push the limits of MIPE without increasing morbidity.
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