Open wedge high tibial osteotomy: cause of patellar descent

被引：0
作者：
Jason CH Fan
机构：
[1] Alice Ho Miu Ling Nethersole Hospital,Department of Orthopaedics & Traumatology
来源：
Journal of Orthopaedic Surgery and Research | / 7卷
关键词：
Total Knee Arthroplasty; Bone Graft; High Tibial Osteotomy; Knee Score; Tibial Slope;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This was a retrospective review of the nine open wedge high tibial osteotomy (HTO) done in a regional hospital in Hong Kong from 2006 to 2008. The mechanical hip-knee-ankle angle improved from average 169.5°(164°-175°) to average 183.9° (179°-187°). Patellar descent was noted in all patients postoperatively, with Blackburne-Peel (BP) index significantly changing from 0.78 (0.64-0.93) to 0.59 (0.38-0.78) (p < 0.05). This change was strongly correlated with the size of anterior bone graft (r = -0.766; p = 0.016). The patellar tendon length as measured by Insall-Salvati index was not changed (pre-operative: 1.02 (0.88-1.25), final: 1.09 (0.8-1.22) (p = 0.683)), inferring that scarring contracture of patellar tendon was not related to patellar descent.
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