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Randomized Controlled Trial
. 2010 Oct;16(10):919-21.

[Use of L-carnitine before percutaneous epididymal sperm aspiration-intracytoplasmic sperm injection for obstructive azoospermia]

[Article in Chinese]
Shao-Ming Lu  1 , Xiao Li, Hao-Bo Zhang, Jing-Mei Hu, Jun-Hao Yan, Jiao-Long Liu, Zi-Jiang Chen
Affiliations
  • PMID: 21243757
Randomized Controlled Trial

[Use of L-carnitine before percutaneous epididymal sperm aspiration-intracytoplasmic sperm injection for obstructive azoospermia]

[Article in Chinese]
Shao-Ming Lu et al. Zhonghua Nan Ke Xue. 2010 Oct.

Abstract

Objective: To explore the use of L-carnitine before percutaneous epididymal sperm aspiration-intracytoplasmic sperm injection (PESA-ICSI) in the treatment of obstructive azoospermia.

Methods: Seventy-nine cases of obstructive azoospermia treated in our center from Sep 2008 to Aug 2009 were divided into an L-carnitine (n = 43) and a control group (n = 36), the former given oral L-carnitine at 1 g bid for 3 months before PESA-ICSI, while the latter left untreated. Comparisons were made between the two groups in the number of retrieved oocytes and fertilized oocytes as well as the number and rate of good embryos.

Results: There were no significant differences between the two groups in the number of retrieved oocytes and fertilized oocytes. But the number and rate of good embryos were significantly higher in the L-carnitine than in the control group (P < 0.05).

Conclusion: Three-month oral medication of L-carnitine before PESA-ICSI can raise the number and rate of good embryos in obstructive azoospermia patients and therefore benefit the therapeutic outcome.

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