Journal of Andrology
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Published-Ahead-of-Print July 29, 2010, DOI:10.2164/jandrol.109.009977

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Long-Term Effect of Microsurgical Inguinal Varicocelectomy on Testicular Blood Flow

Serdar Tarhan , Oktay Ucer *, Mehmet Oguz Sahin , and Bilal Gumus

* To whom correspondence should be addressed. E-mail: uceroktay{at}yahoo.com.

Purpose: We aimed to investigate the long-term effect of microsurgical inguinal varicocelectomy on testicular blood flow using color Doppler sonography (CDS) in this observational study. Material-Methods: A total of 30 patients clinically diagnosed with left varicocele who underwent a microsurgical inguinal varicocelectomy were examined 3 times with CDS for testicular blood flow parameters; first before, then 3 months and finally 6 months after the operation. CDS values of testicular blood flow (peak systolic velocity, end diastolic velocity, resistive index, pulsatility index) were measured from testicular, capsular and intratesticular arteries. We also evaluated preoperative and postoperative semen parameters. Results: The mean values of blood flow velocities in the left testicular artery (peak systolic and end diastolic) increased and resistance indices (resistive and pulsatility) in the left capsular and intratesticular arteries decreased significantly after surgery (p<0.05). No significant difference was detected between the preoperative and postoperative blood flow parameters in the right testicular, capsular and intratesticular arteries (p>0.05). In the semen analysis run three months after the operations statistically significant increases were found in sperm concentration (p<0.001), morphology percentage (p<0.001) and total motile sperm concentration (TMSC) (p=0.009). Conclusions: The increase in blood flow velocity in the testicular artery and the decrease in resistive and pulsatility index in the capsular and intratesticular branches of the artery may be strong indicators of an increase in testicular arterial blood flow into the testicular tissue. Our data shows that a significant improvement occurs in testicular blood supply and sperm parameters after microsurgical inguinal varicocelectomy.


Key words: Semen Analysis • Surgery • Testis • Varicocele






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