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    Patients with acute cholangitis (AC) have increased mortality when associated with bacteremia. This study aimed to evaluate the predictive ability of serum lactate (Lac) for positive bacteremia in patients with acute cholangitis. In this single-center, retrospective study, 138 consecutive patients with AC were analyzed. Their blood samples were collected and Lac was measured. A total of 50 patients showed grade I, 50 showed grade II, and 38 showed grade III severity according to the Tokyo Guidelines 2018. Positive bacteremia was observed in 71 patients, of which 15 showed grade I, 25 showed grade II, and 31 showed grade III severity. Logistic regression analysis showed that Lac was a significant predictor of bacteremia. The area under the curve of Lac and procalcitonin (PCT) for bacteremia were 0.737 and 0.780, respectively. The optimal cutoff values for bacteremia were 17 mg/dL and 2.8 ng/mL, with sensitivity of 69.0% and 68.3%, respectively. Sensitivity of Lac and PCT for bacteremia in grade I was 58.3% and 25.0%, respectively. Three patients died from AC, all of whom were positive for bacteremia and hyperlactatemia. Lac is useful for predicting bacteremia in patients with AC. © 2023 Japanese Society of Hepato-Biliary-Pancreatic Surgery.


    Hirotaka Oura, Takayoshi Nishino, Daisuke Murakami, Yukiko Shima, Miho Shirato, Harutoshi Sugiyama, Makoto Arai. Diagnostic value of the serum lactate level as a predictor of bacteremia in patients with acute cholangitis. Journal of hepato-biliary-pancreatic sciences. 2023 Aug;30(8):1055-1064

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    PMID: 37306044

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