الفهرس 
Title: Comparative study between lateral entry pinning and crossed entry in management of pediatric supracondylar humerus fracture
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Abstract
Purpose. To conduct a prospective randomized controlled study to compare the stability and risk of nerve injury between fractures treated by medial lateral pin fixation and those treated by 2-lateral pin fixation. Methods. Patients with displaced supracondylar fractures admitted between December2019 and June 2020 were recruited into the study. They were randomised to treatment either with medial-lateral pin fixation (n=15) or with 2- lateral pin fixation (n=15). Results. 30 children with the mean age of 5.78 years were admitted during the study period. The mean follow-up period of was 8.93 months. The difference in the carrying angle between injured and normal elbows was 3.57R and 3.70R in mediallateral pin fixation and 2-lateral pin fixation, respectively. The extension and flexion loss was 7.14R and 8.68R respectively in medial-lateral pin fixation, and 7.11R and 11.26R respectively in 2-lateral pin fixation.The Baumann angle difference was 5.96R in medial-lateral pin fixation, and 5.30R in 2-lateral pin fixation.The difference in the medial epicondylar epiphyseal angle was 6.07R in medial-lateral pin fixation and 6.92R in 2-lateral pin fixation. Statistical analyses show that these differences are not significant. Conclusion. Both methods of fixation were comparable in terms of stability, duration of bone healing, and risks of injury to the nerve