Abstract
BackgroundAs an uncommon but severe complication, medial collateral ligament (MCL) injury in total knee arthroplasty (TKA) may be significantly under-recognized. We aimed to determine whether MCL injury influences postoperative outcomes of patients undergoing TKA.MethodsTwo independent reviewers searched PubMed, Cochrane Library, and EMBASE from their inception to July 1, 2021. The main outcomes were postoperative function, and secondary outcomes included the incidences of revision and complications.ResultsA total of 403 articles yielded 15 studies eligible for inclusion with 10 studies used for meta-analysis. This study found that there was a statistically significant difference in postoperative functional scores, range of motion (ROM), complications, and revision rates, with adverse outcomes occurring more commonly in patients with MCL injury.ConclusionsThis meta-analysis highlights the complexity of MCL injury during TKA and shows the impact on postoperative function, joint mobility, complications, and revision. Surgeons need to prevent and put more emphasis on MCL injury during TKA.
Highlights
As an uncommon but severe complication, medial collateral ligament (MCL) injury in total knee arthroplasty (TKA) may be significantly under-recognized
English-language publications on patients who reported MCL injuries during TKA were included for further examination
According to the PICOS order, the study included in our meta-analysis had to meet all of the following requirements: (1) Population: patients undergoing primary total knee replacement; (2) Intervention: MCL injury group; (3) Comparison intervention: MCL-intact group; (3) At least one of the following indexes was assessed: functional outcomes, Knee Society Score, range of motion, postoperative pain score, complications, revision, and so on
Summary
As an uncommon but severe complication, medial collateral ligament (MCL) injury in total knee arthroplasty (TKA) may be significantly under-recognized. We aimed to determine whether MCL injury influences postoperative outcomes of patients undergoing TKA. As a well-established operation, total knee arthroplasty (TKA) was considered to be a highly effective method for the treatment of end-stage knee osteoarthritis [1]. By 2030, the demand for primary total. As an anatomical structure that restrains valgus and rotatory loads, the medial collateral ligament (MCL) is critical in providing stability after total knee arthroplasty [6, 7]. Li et al Journal of Orthopaedic Surgery and Research (2021) 16:686 possible for injury to occur during exposure of the knee and reduction after placement of prosthetic components [15]. The MCL can be damaged as a result of the direct injury caused by the saw blade and excessive release during surgery [16,17,18]
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