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High ligation of the spermatic vein and sperm DNA fragmentation

Hu, Y.-y.; Lin, L.-z.; Li, C.-d.; Cai, J.

Zhonghua Nan Ke Xue 17(10): 897-901

2011

ISSN/ISBN: 1009-3591
PMID: 22049792
Document Number: 654273
To investigate the effect of high ligation of the spermatic vein (HLSV) on DNA fragmentation in varicocele (VC) patients. Thirty-four VC patients underwent HLSV. Sperm motion indexes and the results of papanicolaou staining and DNA fragmentation detection were analyzed before and 3 months after the operation according to the WHO guidelines. Compared with pre-operation, HLSV achieved a significant increase in the percentage of morphologically normal sperm (P < 0.01), and remarkable decreases in DNA fragmentation, sperm deformity index (SDI) and multiple anomalies index (MAI) (P < 0.01). The patients also showed significant increases in sperm concentration and the percentages of grade b sperm (P < 0.05) and grade a and a + b sperm (P < 0.01) after the operation. The post-operative percentages of sperm DNA fragmentation in those with grades I - III VC were markedly lower (P < 0.01), but showed no significant difference from that in those with subclinical VC (P > 0.05). The percentage of big-halo sperm was significantly increased (P < 0.01), while those of the medium-, small- and non-halo sperm remarkably decreased (P < 0.01) after HLSV. HLSV can effectively improve the sperm quality of VC patients.

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