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  • Title: Prospective observational multicenter study to define a diagnostic algorithm for biliary candidiasis.
    Author: Lenz P, Eckelskemper F, Erichsen T, Lankisch T, Dechêne A, Lubritz G, Lenze F, Beyna T, Ullerich H, Schmedt A, Domagk D.
    Journal: World J Gastroenterol; 2014 Sep 14; 20(34):12260-8. PubMed ID: 25232260.
    Abstract:
    AIM: To develop an algorithm to improve the diagnosis and treatment of patients with biliary candidiasis. METHODS: We performed a prospective study of 127 patients who underwent endoscopic retrograde cholangiopancreatography, for various biliary disorders, at 3 tertiary referral centers in Germany from July 2011 through July 2012 (ClinicalTrials.gov: NCT01109550). Bile, buccal, and stool samples were collected. When indicated, endoscopic transpapillary bile duct biopsies were performed to clarify the etiology of bile duct strictures and to prove invasive fungal infections. RESULTS: Candida species were detected in 38 of the 127 bile samples (29.9%). By multivariate analysis patients' age and previous endoscopic sphincterotomy were independent risk factors for biliary candidiasis (P < 0.05). Patients with immunosuppression (P = 0.058) and recent long-term antibiotic therapy (> 7 d) (P = 0.089) tend to be at risk for biliary candidiasis. One patient was negative in mycological culture of bile fluid but invasive biliary candidiasis was diagnosed histologically. Of Candida subspecies detected, 36.7% were azole-resistant, such as C glabrata. Eight patients received anti-mycotic therapy, based on our algorithm. Of these, 3 had cancer with biliary tract involvement, 2 had secondary sclerosing cholangitis, 1 had retroperitoneal fibrosis, and 5 had septicemia. In all patients contamination was ruled out by smears of the endoscope channel. CONCLUSION: Gastroenterologists should be aware of frequent candida colonization in patients with cholangitis and biliary disorders. Our suggested algorithm facilitates the further clinical management.
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