Total knee arthroplasty combined with individualized soft tissue balance technique for valgus knee deformity: an analysis of 32 cases

doi:10.3969/j.issn.2095-4344.0285

Abstract

Abstract:

BACKGROUND: Although the incidence of valgus deformity is less than the varus deformity, the operation is more difficult and the technical requirements are higher. The techniques of osteotomy and soft tissue balance are most difficult to grasp, and there is no unified technical specification at home and abroad.

OBJECTIVE: To analyze the individualized soft tissue balance technique and early clinical efficacy of total knee arthroplasty for severe knee valgus deformity.

METHODS: A retrospective analysis was made in 32 cases (35 knees) undergoing primary total knee arthroplasty in the General Hospital of Shenyang Military Region from September 2013 to May 2016. All patients underwent standardized osteotomy and individualized soft tissue balance technique by patellar medial approach. The postoperative effects were evaluated by the range of motion of knee joint, the postoperative femorotibial angle and the Hospital for Special Surgery knee score.

RESULTS AND CONCLUSION: (1) All patients were followed up for 16-44 months. (2) The range of motion of knee joint was increased from (62.1±15.8)° to (108.7±25.9)° at the last follow-up. The femorotibial angle was reduced from (28.6±7.0)° to (6.7±2.2)° at the last follow-up. The Hospital for Special Surgery knee score was increased from 26.8±7.6 to 86.9±18.5 at the last follow-up (P < 0.05). (3) Three cases (three knees) had the symptoms of medial instability of the knee joint, two cases (two knees) had the symptoms of general peroneal paralysis postoperatively, and all recovered. (4) These findings imply that total knee arthroplasty with individualized soft tissue balance technique for valgus deformity can obviously relieve the pain and restore the lower limb alignment, and clinical results are satisfactory.

中国组织工程研究杂志出版内容重点：人工关节；骨植入物；脊柱；骨折；内固定；数字化骨科；组织工程

Key words: Genu Valgum, Arthroplasty, Replacement, Knee, Range of Motion, Articular, Tissue Engineering

CLC Number:

R318

Wang Bai-sheng, Zhang Jing-dong, Han Wen-feng, Liu Xin-wei, Wang Ning, Liu Hai-li, Li Ru-zhen. Total knee arthroplasty combined with individualized soft tissue balance technique for valgus knee deformity: an analysis of 32 cases [J]. Chinese Journal of Tissue Engineering Research, 2018, 22(27): 4277-4281.

Figures/Tables 4

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