Puerta SJ, Cardona MWD

Language: Spanish
References: 27
Page: 150-155
PDF size: 260.70 Kb.

ABSTRACT

Background. Klebsiella pneumoniae and Escherichia coli are enterobacteria responsible for urinary tract infections and have been associated with alterations in semen quality. This work aimed to evaluate the presence of these enterobacteria in the reproductive tract of fertile men and men with unknown fertility and their effect on seminal quality.
Method. Seventy-six participants were divided into two categories: fertile men (n = 19) and men with unknown fertility (n = 57). Each participant was asked for a semen sample and a urine sample for bacteria analysis, cytokines, and conventional and functional seminal parameters.
Results. In fertile men, E. coli dna was detected more frequently in semen samples compared to men of unknown fertility (5.3 vs. 4%; p = 0.0421). Fertile men presented a higher percentage of sperm with high mitochondrial membrane potential than men with unknown fertility (61.1% vs. 49.85%; p = 0.0289). No statistically significant differences were observed in other seminal quality parameters.
Conclusions. E. coli and K. pneumoniae can be detected in the reproductive tract of fertile men and men with unknown fertility; these bacteria may be frequent colonizers of the male genitourinary tract. Fertile men have a higher percentage of sperm with high mitochondrial membrane potential; however, no further alterations are observed in seminal parameters associated with microorganisms.

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