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Erschienen in:
23.11.2018 | Original Article
Can Seminal IL-8 Level Be Used as a Marker of Leukocytospermia and Does It Have Any Correlation with Semen Parameters in Infertile Couples?
Erschienen in: The Journal of Obstetrics and Gynecology of India | Ausgabe 5/2019
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Objectives
Infection of male genital tract leads to leukocytospermia which may have a detrimental effect on semen quality. This study was conducted to evaluate whether seminal IL-8 level can be used as a marker of leukocytospermia and does it have any correlation with semen parameters in infertile couples?
Methods
This cross-sectional study was conducted in an infertility clinic of a tertiary care hospital including 150 male partners of infertile couples who underwent semen analysis (WHO laboratory manual for the examination and processing of human semen, 5th edn, World Health Organization, Geneva, p 271, 2010), semen culture sensitivity and seminal IL-8 levels. Independent t-test, Mann–Whitney U test and Chi-square test were applied for analysis.
Results
Mean seminal plasma IL-8 level of patients with leukocytospermia was significantly higher than patients without leukocytospermia (1143.67 ± 887.03 vs. 267.174 ± 242.29, p value < 0.001). Strong positive correlation was found between seminal plasma IL-8 levels and pus cells in the semen (r = 0.950, p < 0.001); AUC for seminal plasma IL-8 was 0.985 (CI 0.972–0.988), and a cutoff value of 399 pg/ml was determined to diagnose leukocytospermia. This value had high sensitivity (91.8%), specificity (94.5%), positive predictive value (94.4%) and diagnostic accuracy (93.2%) for detecting leukocytospermia. Seminal IL-8 levels correlated negatively with sperm motility (r = − 0.29, p < 0.001) and morphology (r = − 0.230, p < 0.01).
Conclusion
Seminal plasma IL-8 levels were found to be almost five times higher in male partners with leukocytospermia than in non-leukocytospermia group, and it appears to be a promising tool to detect leukocytospermia. Seminal IL-8 level correlated negatively with semen parameters including sperm motility and morphology.