Survival of medial versus lateral unicompartmental knee arthroplasty: A meta-analysis


Autoři: Seung-Beom Han aff001;  Sang-Soo Lee aff002;  Kyoung-Ho Kim aff003;  Jung-Taek Im aff004;  Phil-Sun Park aff004;  Young-Soo Shin aff005
Působiště autorů: Department of Orthopedic Surgery, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Republic of Korea aff001;  Institute for Skeletal Aging & Orthopedic Surgery, Chuncheon Sacred Heart hospital, Hallym University School of Medicine, Chuncheon, Republic of Korea aff002;  Department of Orthopedic surgery, Armed Forces Daejeon Hospital, Daejeon, Republic of Korea aff003;  Department of Orthopedic Surgery, Veterans Health Service Medical Center, Seoul, Republic of Korea aff004;  Department of Orthopedic Surgery, Chuncheon Sacred Heart hospital, Hallym University School of Medicine, Chuncheon, Republic of Korea aff005
Vyšlo v časopise: PLoS ONE 15(1)
Kategorie: Research Article
doi: 10.1371/journal.pone.0228150

Souhrn

Many studies have found associations between unicompartmental knee arthroplasty (UKA) and implant survival, but controversy still exists regarding the relative survival of medial versus lateral UKA over mid-to long-term follow-up. The purpose of this study was to compare survival and clinical outcomes of medial and lateral UKAs. In this meta-analysis, we reviewed studies that assessed implant survival in patients who underwent medial or lateral UKA with short- to mid-term (<10years) or long-term (>10years) follow-up, and that used assessments, such as pain and function scores, to compare postoperative scores on knee outcome scales. A total of eight studies (33,999 knees with medial UKA and 2,853 with lateral UKA) met the inclusion criteria and was analyzed in detail. There were no significant differences between medial and lateral UKA in pain score (95% CI: -0.37 to 0.88; P = 0.42), function score (95% CI: -0.19 to 0.60; P = 0.31), short- to mid-term survival (medial, 32,083/33,483; lateral, 2,636/2,726; OR 0.98, 95% CI: 0.64 to 1.48;P = 0.91), or long-term survival (medial, 479/516; lateral, 110/127; OR 2.51, 95% CI:0.67 to 9.43; P = 0.17). In addition, both groups had substantial proportions of knees with short- to mid-term survival (95.6% by medial UKA and 94.6% by lateral UKA) and long-term survival (92.8% by medial UKA and 86.6% by lateral UKA). This meta-analysis found no significant differences in short- to mid-term and long-term survival of medial and lateral UKAs. Similarly, patients treated with medial UKA showed no difference in pain relief or functional improvement compared to patients treated with lateral UKA. These results suggest that both UKA techniques are viable treatment options for patients with unicompartmental knee osteoarthritis over long-term follow-up, although further high-quality studies are needed to address some remaining uncertainties regarding the clinical benefits of these procedures.

Klíčová slova:

Arthroplasty – Kinematics – Knees – Medical implants – Metaanalysis – Orthopedic surgery – Osteoarthritis – Surgical and invasive medical procedures


Zdroje

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Článek vyšel v časopise

PLOS One


2020 Číslo 1