Resumen

BEUKES, Janus E et al. Comparing outcomes between enhanced recovery after surgery and traditional protocols in total knee arthroplasty: a retrospective cohort study. SA orthop. j. [online]. 2022, vol.21, n.2, pp.76-81. ISSN 2309-8309.  http://dx.doi.org/10.17159/2309-8309/2022/v21n2a2.

BACKGROUND: Knee replacement surgery was traditionally associated with prolonged recovery and rehabilitation programmes in hospital. Enhanced recovery after surgery (ERAS) protocols have been shown to be cost effective while not compromising patient safety or functional outcome. Despite this proven efficacy, ERAS has not been widely adopted in South African orthopaedic practices. The aim of this study is to determine if it is possible to practise these guidelines in South Africa so as to decrease the length of stay (LOS) without an increase in complication rate or compromise in functional outcome. METHODS: Included in the study were 119 patients undergoing elective total knee arthroplasty between 2013 and 2017. They were divided into two cohorts. The first group was treated with a traditional protocol and included 59 patients. The second group was treated with ERAS and included 60 patients, following implementation of the ERAS protocol in 2015. The functional outcome was assessed using the Oxford Knee Score (OKS). The 30-day readmission rate was used to assess safety of early discharge. LOS and patient demographics were also collected to compare the cohorts. RESULTS: There was no clinically significant difference between the cohorts with regards to OKS or readmission rate. Two sample t-tests were used to compare these parameters. The mean OKS for the traditional group was 59.1 (SD 2.4), and for the ERAS group, 58.7 (SD 5.0) (p = 0.73). The readmission rate was 8.5% in the traditional group and 10% in the ERAS group (p = 1.00). The LOS was significantly decreased in the ERAS group, with a mean of 2.3 days (SD 1.8) compared to 5.0 (SD 2.2) in the traditional group (p < 0.001). CONCLUSION: ERAS protocols used in the South African context in elective total knee arthroplasty significantly decrease the LOS without compromising patient safety or functional outcome. Level of evidence: Level 3.

Palabras clave : ERAS; total knee arthroplasty; length of stay.

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