JOURNAL ARTICLE
RESEARCH SUPPORT, NON-U.S. GOV'T
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Response of routine semen analysis and critical assessment of sperm morphology by Kruger classification to therapeutic varicocelectomy.

Journal of Urology 1997 November
PURPOSE: We studied the effect of varicocelectomy on Kruger morphology and semen parameters.

MATERIALS AND METHODS: A total of 33 subfertile men diagnosed with varicoceles was evaluated 3 months before, and 3 to 4 and 6 to 8 months after varicocelectomy. Evaluation involved routine semen analysis and sperm morphology using Kruger classification.

RESULTS: Significant improvement in sperm concentration and count was found after varicocelectomy (sperm count preoperatively 117.1 +/- 29, 3 to 4 months postoperatively 162.5 +/- 41 and 6 to 8 months postoperatively 139.8 +/- 25 million sperm, p = 0.0095). Using Kruger classification, evaluation of sperm morphology revealed overall significant increase in percentage of normal A forms at 3 to 4 and 6 to 8 months after surgery (from 9.8 +/- 5.8% A forms, 13.6 +/- 7.7% A forms, and 14.5 +/- 7.5% A forms, respectively, p = 0.0002, normal greater than 14%). Twelve of the 26 patients (46%) with abnormal sperm morphology preoperatively and greater than 4% A forms reached normal levels 3 months postoperatively. Six months after surgery only 6 patients maintained normal values and 3 of the initial 14 nonresponders became normal (9 of 26, 36%). Three patients with severe teratozoospermia (less than 4% A forms) showed improvement in sperm morphology. Four patients with normal sperm morphology preoperatively were not affected by varicocelectomy.

CONCLUSIONS: Surgical correction of varicocele was associated with significant improvement in sperm morphology evaluated using Kruger classification. Concentration and count improved after varicocelectomy. Changes were observed as early as 3 months after surgery.

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