Influence of facultative bacteria on semen parameters
- Author Vladimer Papava
- Co-Author Tamar Didbaridze, David Kochiashvili
- DOI
- Country : Georgia
- Subject : Urology
Keywords : Non-specific bacteria, semen quality, GUT infections
Abstract
Infections of the male genitourinary tract (GUT) account for up to 15% of cases of male infertility. Sperm bacterial contamination is quite frequent and could contribute to the deterioration of the sperm quality of infertile men. Many studies have examined the impact of genital tract infections and bacterial semen contamination in male fertility. Microorganisms can affect the male reproductive function directly, causing the agglutination of motile sperm. The most frequently isolated microorganism in male patients with genital tract infections or semen contamination are non-specific (facultative) bacteria, mainly Enterobacteriaceae e.g. Escherichia coli Staphylococcus spp, Streptococcus spp, Klebsiella spp, and yeast- like cells. The aim of this study was to investigate the semen quality in the presence of different facultative bacterial species. Semen samples were processed for bacteriological analysis and examined to evaluate sperm concentration and motility and to verify the prevalence of semen bacterial contamination and whether the contamination could decrease sperm quality. We studied 58 men (64, 4%) who had bacteriologicaly positive culture in seminal fluid and no other risk factor for infertility. Sperm motility and count were reduced in all infertile men with positive bacteriological results and were significantly improved after adequate therapy.
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