ArticleEuropean journal of translational myology2025
Comparison of DNA fragmentation index and fertility rate after unilateral and bilateral microsurgical varicocelectomy.
Article in European journal of translational myology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Varicoceles and their impact on sperm quality are considered one of the most common causes of male infertility. This study aims to examine the outcomes of unilateral and bilateral microsurgical varicocelectomy concerning DNA Fragmentation Index (DFI), different sperm parameters, and overall fertility. This is a cross-sectional study in which we analyzed 100 male patients who were diagnosed with varicocele by ultrasound and had a history of infertility of at least one year. Fifty patients had unilateral varicocele and 50 had bilateral varicocele (left side clinical plus right side subclinical) who underwent microsurgical varicocelectomy from March 21, 2022, to March 21, 2023. We compared the DFI before and after surgery, and fertility rates between the two groups were assessed. The median age of participants was 32 years, with a body mass index (BMI) of 25 kg/m² and an average infertility duration of 2 years. A comparative analysis revealed a statistically significant difference in the median years of infertility between the unilateral and bilateral groups before surgery (p=0.03). Both unilateral (p<0.001) and bilateral (p<0.001) microsurgical varicocelectomy significantly reduced DFI. However, the bilateral approach was better at lowering DFI than the unilateral method in microsurgical varicocelectomy (p<0.05). The pregnancy rates after surgery were 36.0% for the unilateral and 58.0% for the bilateral group; this difference was statistically significant, favoring bilateral microsurgical varicocelectomy (p=0.04). Microsurgical varicocelectomy is a viable treatment option for couples facing oligospermia, especially for those with bilateral varicoceles.
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