New-onset diabetes after pancreatoduodenectomy: A systematic review and meta-analysis

Abstract

BackgroundPancreatoduodenectomy may lead to new-onset diabetes mellitus, also known as type 3c diabetes, but the exact risk of this complication is unknown. The aim of this review was to assess the risk of new-onset diabetes mellitus after pancreatoduodenectomy. MethodsA literature search was performed in PubMed, Embase (Ovid), and the Cochrane Library for English articles published from March 1993 until March 2017 (PROSPERO registry number: CRD42016039784). Studies reporting on the risk of new-onset diabetes mellitus after pancreatoduodenectomy were included. For meta-analysis, studies were pooled using the random-effects model. All studies were appraised according to the Newcastle-Ottawa Scale. ResultsAfter screening 1,523 studies, 22 studies involving 1,121 patients were eligible. The mean weighted overall proportion of new-onset diabetes mellitus after pancreatoduodenectomy was 16% (95% confidence interval, 12%–20%). We found no significant difference in risk of new-onset diabetes mellitus when pancreatoduodenectomy was performed for nonmalignant disease after excluding patients with chronic pancreatitis (19% risk; 95% confidence interval, 7%–43%; 6 studies) or for malignant disease (22% risk; 95% confidence interval, 14%–32%; 11 studies), P = .71. Among all patients, 6% (95% confidence interval, 4%–10%) developed insulin-dependent new-onset diabetes mellitus. ConclusionThis systematic review identified a clinically relevant risk of new-onset diabetes mellitus after pancreatoduodenectomy of which patients should be informed preoperatively.