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Effects of multiple drilling on the ischemic capital femoral epiphysis of immature piglets

Title
 Effects of multiple drilling on the ischemic capital femoral epiphysis of immature piglets
Authors
 Sun Young Gong; Hyun Woo Kim; Ki Seok Lee; Seung Yup Lee; Hui-Wan Park
Issue Date
2011
Journal Title
 Yonsei Medical Journal
ISSN
 0513-5796
Citation
 Yonsei Medical Journal, Vol.52(5) : 809~817, 2011
Abstract
PURPOSE: This study investigated the effects of multiple drilling on the immature capital femoral epiphysis following ischemic injury in a piglet model. MATERIALS AND METHODS: Ischemic necrosis of capital femoral epiphysis was induced bilaterally in 12 piglets using a cervical ligation method. Three weeks later, medial, central, and lateral 3 drill holes were made on the left femoral head using 0.062" K-wire. At 3, 6, 9, and 12 weeks following the multiple drilling, femoral heads were harvested from each three piglets. On histologic examination, percent of revascularization, percent of osteoblast surface, capital femoral epiphyseal quotient and proximal femoral growth plate height were evaluated. Untreated right femoral heads served as control. RESULTS: While percent of revascularization of left capital femoral epiphysis with multiple drilling was significantly higher than untreated control side (p<0.001), percent of osteoblast surface, capital femoral epiphyseal quotient and proximal femoral growth plate height showed no significant difference. CONCLUSION: This study indicates that multiple drilling could promote revascularization of ischemic capital femoral epiphysis, and multiple drilling does not appear to produce bony physeal bars at short-term, if using small diameter drill. However, multiple drilling alone does not seem to prevent femoral head deformity or to promote new bone formation.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/93519
DOI
10.3349/ymj.2011.52.5.809
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Orthopedic Surgery
1. 연구논문 > 1. College of Medicine > Medical Research Center
1. 연구논문 > 1. College of Medicine > Yonsei Biomedical Research Center
Yonsei Authors
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