Mapping the course to recovery: a prospective study on the anatomic distribution of early postoperative pain after total knee arthroplasty.
Pain location
Pain mapping
Postoperative pain
Total knee arthroplasty
Journal
Arthroplasty (London, England)
ISSN: 2524-7948
Titre abrégé: Arthroplasty
Pays: England
ID NLM: 101773073
Informations de publication
Date de publication:
03 Aug 2023
03 Aug 2023
Historique:
received:
14
02
2023
accepted:
08
05
2023
medline:
3
8
2023
pubmed:
3
8
2023
entrez:
2
8
2023
Statut:
epublish
Résumé
Early postoperative pain following total knee arthroplasty significantly impacts outcomes and patient satisfaction. However, the characteristics and sources of early pain after total knee arthroplasty remain unclear. Therefore, the purpose of this study was to determine the anatomic distribution and course of postoperative pain in the acute and subacute period following total knee arthroplasty. A prospective observational study of primary, elective unilateral total knee arthroplasty cases was conducted at our academic tertiary care medical center from January 2021 to September 2021. Preoperative variables were extracted from institutional electronic medical records. Postoperatively, patients utilized a knee pain map to identify the two locations with the most significant pain and rated it using the visual analog scale (VAS). The data were collected on day 0, at 2 weeks, 2 months, and 6 months after operation. This study included 112 patients, with 6% of patients having no pain at postoperative day 0, 22% at 2 weeks, 46% at 2 months, and 86% at 6 months after operation. In those who reported pain, the VAS score (mean ± standard deviation) was 5.8 ± 2.4 on postoperative day 0 and decreased at each follow-up time point (5.4 ± 2.3 at 2 weeks, 3.9 ± 2.2 at 2 months, and 3.8 ± 2.7 at 6 months). The majority of patients were able to identify distinct loci of pain. The most common early pain loci were patellae, thigh, and medial joint line, and this distribution dissipated by 6 months. At 2 postoperative weeks, pain was primarily at the medial joint, and at 6 months postoperatively, pain was more likely to be at the lateral joint. No relationship was found between pain at six months and pain scores or location at postoperative day 0 or 2 weeks. Understanding the distribution and progression of knee pain following total knee arthroplasty may benefit patient education and targeted interventions. Level II, prospective observational study.
Identifiants
pubmed: 37533087
doi: 10.1186/s42836-023-00194-3
pii: 10.1186/s42836-023-00194-3
pmc: PMC10399043
doi:
Types de publication
Journal Article
Langues
eng
Pagination
37Informations de copyright
© 2023. The Author(s).
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