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BACKGROUND: Postoperative pancreatic fistula is the most common severe complication after pancreatic surgery. It associated with increased morbidity and prolonged hospital stay. Identifying patients at low risk for postoperative pancreatic fistula is essential to enable timely removal of drains and facilitate early discharge. Although postoperative hyperamylasemia is linked to postoperative pancreatic fistula, the role of postoperative hyperlipasemia remains unclear. This study aims to investigate the role of postoperative hyperlipasemia in predicting postoperative pancreatic fistula B/C pancreaticoduodenectomy and distal pancreatectomy. MATERIAL AND METHODS: The study included 471 patients who underwent pancreaticoduodenectomy and distal pancreatectomy at our institution between January 1, 2019, and February 28, 2023. Postoperative hyperamylasemia and postoperative hyperlipasemia were defined as values above the upper limit of normal established at our institution. RESULTS: In univariate analysis, postoperative hyperlipasemia and postoperative hyperamylasemia on postoperative day 0 demonstrated the strongest association with postoperative pancreatic fistula B/C. Consequently, a subset of 177 patients with available serum lipase and amylase data underwent further investigation. Besides body mass index and high-risk pathology, both postoperative hyperlipasemia and postoperative hyperamylasemia on postoperative day 0 emerged as independent risk factors for postoperative pancreatic fistula B/C in univariate analysis. In multivariate analysis, postoperative hyperlipasemia on postoperative day 0 emerged as a significant predictor of postoperative pancreatic fistula B/C, with body mass index as independent risk factor of postoperative pancreatic fistula B/C. CONCLUSION: The absence of postoperative hyperlipasemia on postoperative day 0 could potentially serve as an effective diagnostic tool for identifying patients who are at a low risk of developing postoperative pancreatic fistula B/C after pancreaticoduodenectomy and distal pancreatectomy. Consequently, not only serum amylase, but also serum lipase can be integrated into clinical practice alongside other relevant parameters.
Aghamaliyev et al. (Sun,) studied this question.