Study on Locating the Entrance Spot of Pedicle of Lumbar Vertebra and the Successful Rate of Placement Nail One Time
- VernacularTitle:腰椎弓根螺钉进钉点和一次置钉率的研究
- Author:
Zheng YU
;
Zhenyu LI
;
Hong ZHENG
- Publication Type:Journal Article
- Keywords:
Lumbar vertebra;
Pedicle;
Entrance spot
- From:
Journal of Chinese Physician
2001;0(08):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To explore the effects of various location methods on the successful rate of placement nails by the entrance spot of lumbar vertebra pedicle. Methods The clinical data of 105 patients with 462 times of internal nail fixation of lumbar vertebra pedicle were analyzed, and the successful rates of placement nails one time were compared among 5 location methods. Results 462 times of internal nail fixation of lumbar vertebral pedicle were performed safely. Postoperative X-ray imagining showed that 322 nails were located in the middle of pedicle of lumbar vertebra, 58 nails in its inferior part, and 82 nails in its superior part. The successful rate of placement nails one time by the location method of four quadrants technique was 86.9%, which was significantly different compared with the other 4 location methods(P
