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Rigshospitalet - a part of Copenhagen University Hospital
E-pub ahead of print

Influence of day of surgery and prediction of LOS > 2 days after fast-track hip and knee replacement

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  1. Fast-track hip and knee arthroplasty...how fast?

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  3. Preoperative high-dose Steroids in Total Knee and Hip Arthroplasty - Protocols for three randomized controlled trials

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Background and purpose - Enhanced recovery programs have reduced length of stay (LOS) after hip and knee arthroplasty (THA/TKA). Although risk factors disposing to prolonged LOS are well documented, there is limited information on the role of weekday of surgery. This study analyzed the role of weekday of surgery and other potential risk factors for LOS > 2 days. Patients and methods - We included 10,576 unselected consecutive procedures between January 2016 and August 2017 within a multicenter fast-track THA/TKA collaboration with prospective collection of preoperative characteristics. We used multiple regression analysis of potential risk factors for LOS > 2 days followed by construction of a simple risk score from 0 to 15 points based on the calculated odds ratios. Results - Mean LOS was 1.9 (SD 1.8) days, with 80% of patients having surgery from Monday to Wednesday. Of these, 17% (95% CI 16-18) had a LOS > 2 days vs. 19% (CI 17-21) in those operated on Thursday and Friday. Patients were scheduled evenly throughout the week regardless of risk of LOS > 2 days and despite the fact that 38% (CI 35-40) of patients with ≥ 6 points (16% of the total population) had a LOS > 2 days compared with 14% (CI 13-14) in those with < 6 points. In these "high-risk" patients, the fraction with LOS > 2 days increased when having surgery on Thursdays or Fridays (43% CI 38-49) compared with Monday to Wednesday (37% CI 34-39). Interpretation - A detailed preoperative risk assessment may be helpful to plan the weekday of surgery in order to decrease LOS and weekend hospitalization.

Original languageEnglish
JournalActa Orthopaedica (Online)
Number of pages6
ISSN1745-3682
DOIs
Publication statusE-pub ahead of print - 12 Nov 2020

ID: 61217374