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Article in Chinese | WPRIM | ID: wpr-571843


Objective To observe if subclinical lesion exists during and after tibia lengthening and investigate the repair mechanism of the nerve. MethodsTwenty-three cases(with 42 tibia) were lengthened by traction with the velocity of 1mm/d. The somatosensory evoked potentials (SEP) induced by stimulation of tibial nerve were recorded before operation and 2,3 months and 2 years after operation. The tibia was lengthened for a total of 4~10cm. ResultsAll cases had no significant symptoms except for 1 case with mild symptoms of nerve lesion when his tibia was lengthened for 9.5cm. However, the subclinical lesion was found by SEP record in all the cases, and this lesion could be repaired mostly in 3 months and completely recovered in 2 years. ConclusionThe peripheral nerves have good adaptability to tibia lengthening with a velocity of 1mm/d and the tibia could be lengthened to a great extend as long as there were no clinical symptoms manifestated.

Article in Chinese | WPRIM | ID: wpr-584606


Objective To study the effectiveness of laparoscopic treatment for varicocele. Methods Clinical records of 235 cases of laparoscopic high ligation of the spermatic vein between September 1993 and July 2003 were retrospectively analyzed. Results All the operations were completed successfully. The operation time was 5~20 min (mean, 12 min). The postoperative hospital stay was 2~5 days (mean, 3 days). Follow-up observations for 6~18 months in 210 cases found 9 cases of recurrence, with a recurrence rate of 4 3% (9/210). Eleven patients with sterility had their wives pregnant 6~12 months after the surgery. Conclusions Laparoscopic high ligation for varicocele offers minimal invasion, good cosmetic results, and satisfactory effects, especially suitable for patients with bilateral varicocele, recurrent varicocele after open surgery, and surgical history in the groin.

Article in Chinese | WPRIM | ID: wpr-673660


Objective To study the optimal laparoscopic procedure and its indication for remove of common bile duct stone. Methods Analysis was made on the clmical data of 124 cases of laparoscopic choledocholithotomy and T tube drainage in our center.Results 82 patients underwent the improved laparoscopic procedure, alternation to open operation in 4 cases (4.9%),and the mean operating time was (80?30) min. While 42 patients were operated with traditional laparoscopic method,changing to open operation in 6 cases (14.3%),and the mean operating time was (170?40) min . The improved method could shorten the operation time and reduce the open operation rate significantly than traditional method did (P