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Summary Complaints of maldigestion, malabsorption, and unintended weight loss after esophagectomy are often attributed to an impaired exocrine pancreatic function. This review systematically summarizes all literature reporting on the presence of exocrine pancreatic insufficiency (EPI) after esophagectomy and the effect of treatment with pancreatic enzymes on gastrointestinal complaints, body weight, and quality of life. Databases of PubMed, Embase, and Wiley/Cochrane Library were searched systematically until July 2020. Studies reporting on EPI and pancreatic enzyme replacement therapy after esophagectomy were included. The Newcastle–Ottawa scale was used to assess study quality. Four studies, including 158 patients, were selected. The maximum score for study quality was six (range 4–6). Exocrine pancreatic function was investigated in three studies, measured by fecal elastase-1 and 72-hour fecal fat excretion. Fecal elastase-1 levels &amp;lt;200 μg/g were reported in 16% of patients at 4 months, 18% at 6 months, and 31% at 18–24 months postoperatively. A decreased fecal fat absorption was noticed in 57% 1 month postoperatively. Treatment with pancreatic enzymes was reported in two studies. In patients with fecal elastase-1 levels &amp;lt;200 μg/g, 90% of patients reported improvement in symptoms and 70% reported improvement in weight. In patients with complaints of steatorrhea, 87% noticed settlement of symptoms. Based on current literature, complaints of maldigestion, malabsorption, and unintended weight loss after esophagectomy are common and can be related to an impaired exocrine pancreatic function. High-quality studies evaluating the presence of EPI and the effect of treatment with pancreatic enzymes after esophagectomy are needed to verify this conclusion.

Exocrine pancreatic insufficiency after esophagectomy: a systematic review of literature