ArticleUpdates in surgery2026
Impact of multidrug-resistant microorganisms in bile on postoperative outcomes and long-term survival in patients with periampullary malignancies.
Article in Updates in surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Preoperative biliary drainage (PBD) and antibiotic therapy due to cholangitis contribute toward bile contamination with multidrug-resistant organisms (MDROs) and increase the risk of infectious complications. However, little is known about the impact of MDROs in bile on postoperative outcomes and long-term survival in patients with periampullary malignancies. This retrospective single-center study investigated the impact of bile contamination with MDROs on the incidence, postoperative outcomes, and long-term survival in periampullary malignancies in a German tertiary pancreatic center between 2011 and 2015. A total of 428 patients underwent curative and palliative surgery for periampullary malignancies. At least one multidrug-resistant organism in bile was detected in 72 cases (16.8%). Patients with MDROs were significantly older, had a higher frequency of PBD, preoperative antibiotic therapies, non-standard single-shot antibiotics perioperatively, and prolonged antibiotic therapy postoperatively as opposed to the non-MDRO group. The incidence of surgical site infection was significantly higher in the MDRO group. Survival in papillary cancer was significantly worse in the MDRO group compared to the non-MDRO group. Patients with postoperative sepsis had significantly higher risk (hazard ratio 4.59) for postoperative death. Bile contamination with MDROs is associated with a significant increase of surgical site infection, leading to high mortality and poor long-term survival. Tailored antibiotic therapy may improve the survival rate.
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