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KMID : 1143920230270020189
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Annals of Hepato-Biliary-Pancreatic Surgery
2023 Volume.27 No. 2 p.189 ~ p.194
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Potential clinical utility of intraoperative fluid amylase measurement during pancreaticoduodenectomy
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Kunal Joshi
Manuel Abradelo
David Christopher Bartlett
Nikolaos Chatzizacharias
Bobby Venkata Dasari
John Isaac
Ravi Marudanayagam
Darius Mirza
Keith Roberts
Robert Peter Sutcliffe
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Abstract
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Backgrounds/Aims: Postoperative pancreatic fistula (POPF) after pancreaticoduodenectomy (PD) is a source of major morbidity and mortality. Early diagnosis and treatment of POPF is mandatory to improve patient outcomes and clinical risk scores may be ombined with postoperative drain fluid amylase (DFA) values to stratify patients. The aim of this pilot study was to etermine if intraoperative fluid amylase (IFA) values correlate with DFA1 and POPF.
Methods: In patients undergoing PD from February to November 2020, intraoperative samples of intra-abdominal fluid adjacent to the pancreatic anastomosis were taken and sent for fluid amylase measurement prior to abdominal closure. Data regarding patient demographics, postoperative DFA values, complications, and mortality were prospectively collected.
Results: Data were obtained for 52 patients with a median alternative Fistula Risk Score (aFRS) of 9.9. Postoperative complications occurred in 20 (38.5%) patients (five Clavien grade ≥ 3). There were eight POPFs and two patients died (pneumonia/sepsis). There was a significant correlation between IFA and DFA1 (R2 = 0.713; p < 0.001) and DFA3 (p < 0.001), and the median IFA was higher in patients with POPF than patients without (1,232.5 vs. 122; p = 0.0003). IFA > 260 U/L predicted POPF with sensitivity, specificity, positive and negative predictive values of 88.0%, 75.0%, 39.0%, and 97.0%, respectively. The incidence of POPF was 43.0% in high-risk (high aFRS/IFA) and 0% in lowrisk patients (low aFRS/IFA).
Conclusions: IFA correlated with POPF and may be a useful adjunct to clinical risk scores to stratify patients during PD. Larger, prospective studies are needed to determine whether IFA has clinical utility.
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KEYWORD
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Amylase, Pancreatic fistula, Pancreaticoduodenectomy
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