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Flexible bronchoscopy may decrease respiratory muscle strength: premedicational midazolam in focus

Author(s): Tulek Baykal | Kanat Fikret | Tol Sule | Suerdem Mecit

Journal: Multidisciplinary Respiratory Medicine
ISSN 2049-6958

Volume: 7;
Issue: 1;
Start page: 31;
Date: 2012;
Original page

Keywords: Bronchoscopy | Midazolam | Respiratory muscle strength

Abstract Background Flexible bronchoscopy (FB) is a procedure accepted to be safe in general, with low complication rates reported. On the other hand, it is known that patients with pre-existing respiratory failure have developed hypoventilation following FB. In this study the effects of FB on respiratory muscle strength were investigated by measuring maximum respiratory pressures. Methods One hundred and forty patients, aged between 25 and 90 years, who had undergone diagnostic bronchoscopy between February 2012 and May 2012, were recruited to the study. Pre- and post-procedure maximal inspiratory pressure (MIP) and maximal expiratory pressure (MEP) were measured. A correlation between the MIP and MEP changes and patient characteristics and FB variables were investigated. Results Significant decreases in both MIP and MEP values were observed following FB (p 

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