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[Experimental medicine]
Dmitry Pasechnik; Michail Kogan; Evgeniya Mitusova; Yulia Naboka; Z. Gazayev; Halid Ibishov; I. Gudima; Saro Bejanyan;
The problem of etiology and pathogenesis of acute obstructive pyelonephritis remains an outstanding issue in modern urology. The infectious nature of acute destructive renal processes presently remains disputed. Etiologic agents of pyelonephritis may be both gram-negative and gram-positive opportunistic bacteria, the majority of which is part of normal human microflora. Presently, several publications delegated that role to non-clostridial anaerobic microorganisms, found in tissue substrates in as much as 99.0 % of cases. But their contribution to the etiology and pathogenesis of urinary tract infections is presently not sufficiently investigated. The experiment studies the morphologic specifics of acute obstructive pyelonephritis caused by various taxa of non-clostridia anaerobic bacteria. The data obtained changed the existing views on the detection and influence of said group of microorganisms upon the course of acute pyelonephritis in ureter obstruction.
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Keywords: acute obstructive pyelonephritis, non-clostridial anaerobic bacteria, urinary tract infection, morphological changes