The effect of body mass index and preoperative weight loss in people with obesity on postoperative outcomes to 6 months following total hip or knee arthroplasty: a retrospective study.
Arthroplasty
Body mass index
Hip
Knee
Obesity
Osteoarthritis
Patient reported outcome measures
Postoperative complications
Replacement
Retrospective studies
Journal
Arthroplasty (London, England)
ISSN: 2524-7948
Titre abrégé: Arthroplasty
Pays: England
ID NLM: 101773073
Informations de publication
Date de publication:
01 Oct 2023
01 Oct 2023
Historique:
received:
07
05
2023
accepted:
25
07
2023
medline:
1
10
2023
pubmed:
1
10
2023
entrez:
30
9
2023
Statut:
epublish
Résumé
Few studies have investigated the association between obesity, preoperative weight loss and postoperative outcomes beyond 30- and 90-days post-arthroplasty. This study investigated whether body mass index (BMI) and preoperative weight loss in people with obesity predict postoperative complications and patient-reported outcomes 6 months following total knee or hip arthroplasty. Two independent, prospectively collected datasets of people undergoing primary total knee or hip arthroplasty for osteoarthritis between January 2013 and June 2018 at two public hospitals were merged. First, the sample was grouped into BMI categories, < 35 kg/m From 3,552 and 9,562 patients identified from the datasets, 1,337 were included in the analysis after merging. After adjustment for covariates, there was no difference in postoperative complication rate to 6 months post-surgery according to BMI category (OR 1.0, 95%CI 0.8-1.4, P = 0.8) or preoperative weight loss (OR 1.1, 95%CI 0.7-1.8, P = 0.7). There was no between-group difference according to BMI or preoperative weight change for any patient-reported outcomes 6 months post-surgery. Preoperative BMI or a 5% reduction in preoperative BMI in people with obesity was not associated with postoperative outcomes to 6 months following total knee or hip arthroplasty.
Sections du résumé
BACKGROUND
BACKGROUND
Few studies have investigated the association between obesity, preoperative weight loss and postoperative outcomes beyond 30- and 90-days post-arthroplasty. This study investigated whether body mass index (BMI) and preoperative weight loss in people with obesity predict postoperative complications and patient-reported outcomes 6 months following total knee or hip arthroplasty.
METHODS
METHODS
Two independent, prospectively collected datasets of people undergoing primary total knee or hip arthroplasty for osteoarthritis between January 2013 and June 2018 at two public hospitals were merged. First, the sample was grouped into BMI categories, < 35 kg/m
RESULTS
RESULTS
From 3,552 and 9,562 patients identified from the datasets, 1,337 were included in the analysis after merging. After adjustment for covariates, there was no difference in postoperative complication rate to 6 months post-surgery according to BMI category (OR 1.0, 95%CI 0.8-1.4, P = 0.8) or preoperative weight loss (OR 1.1, 95%CI 0.7-1.8, P = 0.7). There was no between-group difference according to BMI or preoperative weight change for any patient-reported outcomes 6 months post-surgery.
CONCLUSION
CONCLUSIONS
Preoperative BMI or a 5% reduction in preoperative BMI in people with obesity was not associated with postoperative outcomes to 6 months following total knee or hip arthroplasty.
Identifiants
pubmed: 37777817
doi: 10.1186/s42836-023-00203-5
pii: 10.1186/s42836-023-00203-5
pmc: PMC10544191
doi:
Types de publication
Journal Article
Langues
eng
Pagination
48Subventions
Organisme : Australian and New Zealand Musculoskeletal (ANZMUSC) Clinical Trials Network and Medibank Better Health Foundation (MBHF)
ID : Medibank Better Health Foundation PhD Scholarship
Informations de copyright
© 2023. Arthroplasty Society in Asia.
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