Perioperative and frailty outcomes after total knee arthroplasty: a retrospective cohort study.

Boon Hian Tan, Kein Boon Poon
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Abstract

Background: Total knee arthroplasty (TKA) is a common procedure with an increasing demand, especially among the elderly. Frailty is known to be associated with adverse perioperative outcomes in the older population. In this article, we aimed to understand the associations of preoperative frailty status and comorbid conditions in relation to their clinical and healthcare outcomes after TKA, and to describe the perioperative factors leading to improvement in a patient's frailty status after TKA.

Methods: This is a retrospective cohort study, and the outcomes were assessed over 2 years. Frailty is defined by the Clinical Frailty Score.

Results: A total of 96 patient records were assessed, of which 13 (13.5%) patients were robust and 83 (86.5%) patients were prefrail or frail. Two years after TKA, the number of robust patients increased to 58 (61.7%) patients, showing a reversal of frailty in 48.2% of patients.

Conclusion: Total knee arthroplasty in prefrail and frail patients is a safe procedure that leads to improvement of frailty status, with an increase in the proportion of patients becoming robust within 2 years after the operation.

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全膝关节置换术后的围手术期和虚弱结果:一项回顾性队列研究。
背景:全膝关节置换术(TKA)是一种常见的手术,其需求量越来越大,尤其是在老年人中。众所周知,虚弱与老年人围手术期的不良预后有关。本文旨在了解术前虚弱状态和合并症与 TKA 术后临床和保健结果的关系,并描述导致 TKA 术后患者虚弱状态改善的围手术期因素:这是一项回顾性队列研究,对两年内的结果进行了评估。虚弱以临床虚弱评分来定义:共评估了96份病历,其中13名(13.5%)患者体格健壮,83名(86.5%)患者为前期或后期体弱。全膝关节置换术两年后,体格健壮的患者增至58人(61.7%),48.2%的患者体弱状况得到逆转:结论:对体弱多病的患者进行全膝关节置换术是一种安全的手术,可改善患者的体弱状况,术后两年内体格健壮的患者比例会增加。
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