全膝关节置换术中屈曲间隙大于伸直间隙的研究进展
[Research progress of larger flexion gap than extension gap in total knee arthroplasty].
作者信息
Zhang Weisong, Hao Dingjun
机构信息
Xi'an Medical University, Xi'an Shaanxi, 710068, P.R.China.
Department of Spinal Surgery, Honghui Hospital Affiliated to Medical College of Xi'an Jiaotong University, Xi'an Shaanxi, 710054,
出版信息
Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi. 2017 May 15;31(5):620-623. doi: 10.7507/1002-1892.201611069.
OBJECTIVE
To summarize the progress of larger flexion gap than extension gap in total knee arthro-plasty (TKA).
METHODS
The domestic and foreign related literature about larger flexion gap than extension gap in TKA, and its impact factors, biomechanical and kinematic features, and clinical results were summarized.
RESULTS
During TKA, to adjust the relations of flexion gap and extension gap is one of the key factors of successful operation. The biomechanical, kinematic, and clinical researches show that properly larger flexion gap than extension gap can improve both the postoperative knee range of motion and the satisfaction of patients, but does not affect the stability of the knee joint. However, there are also contrary findings. So adjustment of flexion gap and extension gap during TKA is still in dispute.
CONCLUSION
Larger flexion gap than extension gap in TKA is a new joint space theory, and long-term clinical efficacy, operation skills, and related complications still need further study.
目的
总结全膝关节置换术（TKA）中屈曲间隙大于伸直间隙的研究进展。
方法
总结国内外有关TKA中屈曲间隙大于伸直间隙及其影响因素、生物力学和运动学特征以及临床结果的相关文献。
结果
在TKA过程中，调整屈曲间隙与伸直间隙的关系是手术成功的关键因素之一。生物力学、运动学及临床研究表明，适当增大屈曲间隙大于伸直间隙可改善术后膝关节活动范围及患者满意度，但不影响膝关节稳定性。然而，也有相反的研究结果。因此，TKA中屈曲间隙与伸直间隙的调整仍存在争议。
结论
TKA中屈曲间隙大于伸直间隙是一种新的关节间隙理论，其长期临床疗效、手术技巧及相关并发症仍需进一步研究。
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