Reversal of Sterilization by Microsurgery in Srinagarind Hospital

Abstract

Objective: To assess the success rate and factors influencing the success rate of sterilization reversal in Srinagarind hospital

Design: A descriptive study

Setting: Srinagarind hospital, Khon Kaen University

Subject: 206 patients who underwent microsurgical sterilization reversal in Srinagarind hospital between January 1, 1984 to June 30, 1993.

Result: Mean age of the patients was 32.0 years, most of them were government officers and farmers. The  reasons for reversal were remarriage (68.0 percent) and death of their children (17.5 percent). Most of the patients had postpartum tubal reanastomosis was performed in 83.0 percent of the patients. Ampulla to ampulla was the most common type of reanastomosis.  The mean duration of the operation was 135.8 minutes.

Success rate of the operation as determined by delivery of the liveborn was 58.7 percent while abortion rate and ectopic pregnancy rate were 8.3 and 6.6 percent, respectively.  Most of the pregnancies occurred in the first two years after the operation with the mean interval between the operation and the commencement of pregnancy of 21.6 months.

Factors that influence the success rate of sterilization reversal were age of the patients, time interval after sterilization, type of sterilization and part of the uterine tubes being reanastomosed.  This study revealed that the patients with age under 35 years, operation performed within 5 years after sterilization, interval type of sterilization, and isthmic-isthmic reanastomosis were the factors that resulted in the better success rate.

Conclusion: sterilization reversal in Srinagarind hospital had a good success rate and factors that influenced the success were age of the patients, time interval after sterilization, type of sterilization, and part of the uterine tubes being reanastomosed