Feeling About 76 Cases Of Hypospadias Operation

Objective: To summarize operative skill,enhance success rate of operation and reduce the happens of complication through improvement on hypospadias operation.Methods: Summarized 76 cases of hypospadias operation which we had done from 2002 to 2007.4, age from 6 months to 23 years old, the average age was 8.17 years old ,7 cases were less than 3 years old , 19 cases from 3 to 5 years old, 23 cases from 6 to 8 years old , 7 cases from 9 to 12 years old , 20 cases more than 13 years old.The 76 cases included 20 coronal,29 midshaft,19 penoscrotal and 8 perineal hypospadias. All cases were aparted to 2 groups according to the different methods of the operation : Group A:Routine operation in 56 cases as control;Group B:Using Sondgrass procedures and transplantation of mouth mucosa to form urethra , than adopting tunica vaginalis of testis or dartos coat of dorsum prepuce to cover the new urethra , adding a part of tissue with abundant vasculars between the new urethra and the skin.Results : Comparing the success rate , on the bases of no differences between group A and B according to the age and clinic types, Group A: 56 cases ,27 cases were successful(48.21%), Group B:20 cases ,15 cases were successful (75.00%), the success rate had statistics differences (p<0.05) , group B's success rate was obviously increasing than group A's .Conclusions : Through improvement on hypospadias operation , using Sondgrass to form new urethra , than adopting tunica vaginalis of testis or dartos coat of dorsum prepuce to cover the new urethra , could effectively reduce fistular , enhance success rate of operation , transplantation of mouth mucosa was an appropriate selection to serious hypospadias , especially for repeatedly fail and partly lack of tissue to form urethra , additionally , the operation was success or not had relationshape to the handle of every steps in operation and later.