Varnell Michelle S, Bhowmik-Stoker Manoshi, McCamley John, Jacofsky Marc C, Campbell Mark, Jacofsky David
Banner Sun Health Research Institute The CORE Institute, Phoenix, Arizona, USA.
J Knee Surg. 2011 Jun;24(2):117-23. doi: 10.1055/s-0031-1280882.
Several surgical approaches for total knee arthroplasty (TKA) have been developed to minimize soft-tissue trauma and expedite functional recovery. A group of 61 subjects undergoing computer-navigated, minimally invasive TKA were randomized to receive a mini-parapatellar, standard parapatellar, mini-midvastus (MV), or mini-subvastus approach. Before and after treatment, subjects were asked to negotiate stairs in a self-selected manner. This study used the manner of stair negotiation (i.e., use of handrail, step-over-step, step-by-step) as a proxy for functional ability. Subjects who received TKA through a mini-MV approach demonstrated a significantly lower level of function at 2 and 4 months. If early functional recovery is a goal of TKA, surgeons should be cautious when considering the mini-MV approach, which was found to be inferior to other approaches in this study.
为了尽量减少软组织创伤并加速功能恢复，已经开发了几种全膝关节置换术（TKA）的手术方法。一组61名接受计算机导航微创TKA的受试者被随机分配接受微型髌旁、标准髌旁、微型股中肌（MV）或微型股下肌入路。在治疗前后，要求受试者以自己选择的方式上下楼梯。本研究采用上下楼梯的方式（即使用扶手、一步跨一步、一步一步）作为功能能力的替代指标。通过微型MV入路接受TKA的受试者在2个月和4个月时的功能水平明显较低。如果早期功能恢复是TKA的目标，外科医生在考虑微型MV入路时应谨慎，在本研究中发现该入路不如其他入路。
