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Background/aims: Despite the high prevalence of obstructive sleep apnea syndrome (OSAS), most individuals are unaware of its diagnosis. We assessed whether an upper gastrointestinal (GI) endoscopy can accurately predict the incidence of OSAS., Methods: After endoscopic evaluation of laryngo-pharyngeal collapse, a total of 154 subjects with laryngo-pharyngeal collapse and 52 control subjects underwent polysomnography. Based on the modified Fujita Classification, upper airway obstruction was classified into 3 different types: oropharyngeal, supraglottic and combined type, and associations between upper airway obstruction and OSAS were evaluated., Results: Of 154 subjects with laryngo-pharyngeal collapse, 108 (70.1%) were diagnosed as OSAS, while only 4 (7.7%) control subjects were diagnosed as OSAS (p < 0.001). The sensitivity and specificity of endoscopic diagnosis were 96.4 and 51.1%, respectively. Oropharyngeal involvement was frequently found in 90.2% of the subjects (139/154). The severity of upper airway obstruction was significantly correlated with the apnea-hypopnea index score (r = 0.55, p < 0.001). A multivariate logistic regression analysis revealed that a male sex (OR 5.20; 95% CI 2.65-10.2, p < 0.001), body mass index ≥25 kg/m2 (OR 4.98; 95% CI 2.23-11.2, p = 0.02) and severe obstruction (OR 7.79; 95% CI 3.34-18.2, p < 0.001) were significant independent predictors of severe OSAS., Conclusion: A conventional upper GI endoscopic examination might be useful as a diagnostic modality for OSAS., (© 2018 S. Karger AG, Basel.)

Objectives: The optimal antimicrobial treatment duration for patients with acute cholangitis with bacteremia remains unknown. The updated Tokyo Guidelines 2013 recommend a minimum duration of 2 weeks only when bacteremia with Gram-positive cocci is present. Since May 2013, a shorter antimicrobial treatment duration of under 2 weeks has been implemented at the authors' institution for acute cholangitis with Gram-negative bacillary bacteremia. The aim of the present study was to validate this modified practice., Methods: A single-center retrospective cohort study was conducted. The antimicrobial treatment duration, 30-day mortality rate, and recurrence rate within 3 months were compared between patients treated before May 2013 and after May 2013., Results: Ninety-one patients with cholangitis with bacteremia were analyzed. The median antimicrobial treatment duration was 14.5days in patients treated before May 2013 and 10.0days after May 2013 (p <0.001). While the 30-day mortality rate did not differ significantly, the recurrence rate was higher in those treated before May 2013 (5.7% vs. 0.0%, p=0.17 and 13.3% vs. 0.0%, p=0.03, respectively). The median treatment duration after May 2013 was 8days for grade I patients, 10days for grade II patients, and 11.5days for grade III patients., Conclusions: The results of this study suggest that acute cholangitis with Gram-negative bacillary bacteremia can be treated safely with a shorter antimicrobial treatment duration of <14 days., (Copyright © 2016 The Author(s). Published by Elsevier Ltd.. All rights reserved.)