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. 2020 Feb;12(1):153-161.
doi: 10.1111/os.12600. Epub 2019 Dec 29.

Limited Influence of Comorbidities on Length of Stay after Total Hip Arthroplasty: Experience of Enhanced Recovery after Surgery

Zi-Chuan Ding  1 , Bing Xu  2 , Zhi-Min Liang  3 , Hao-Yang Wang  1 , Ze-Yu Luo  1 , Zong-Ke Zhou  1
Affiliations

Limited Influence of Comorbidities on Length of Stay after Total Hip Arthroplasty: Experience of Enhanced Recovery after Surgery

Zi-Chuan Ding et al. Orthop Surg. 2020 Feb.

Abstract

Objectives: To identify predictors of length of stay (LOS) after total hip arthroplasty (THA) in an enhanced recovery after surgery (ERAS) program and evaluate the safety and cost-efficiency of the ERAS program with reduced LOS for unselected patients in a Chinese population.

Methods: A total of 311 consecutive, unselected patients undergoing primary THA at a single institution were retrospectively reviewed and divided into two groups: LOS ≤ 3 and LOS > 3 group. All patients were managed with the same ERAS protocol and went back home after discharge. Multivariate logistic regression analysis was used to determine independent risk factors for LOS > 3. Harris Hip Score at 90-day follow-up, 90-day readmission rate, and hospitalization costs were compared between two groups.

Results: Multivariate regression analysis identified female gender (odds ratio [OR] = 2.623), living alone (OR = 4.127), and primary osteoarthritis of hip (OR = 3.565) to be correlated with LOS > 3. Preoperative hemoglobin (HB), postoperative HB, drain use, blood transfusion, diabetes, respiratory disease, osteoporosis, number of comorbidities, and CCI score showed no significant influence on LOS after adjusting for other risk factors in the multivariate model. Harris Hip Score and readmission rate at 90-day follow-up showed no significant differences between two groups. Patients in LOS > 3 group had approximately 3948.6 Chinese yuan higher hospital costs.

Conclusion: Female gender, living alone, and primary osteoarthritis of hip were identified as independent risk factors for prolonged LOS. The experience from our institution suggested aggressive management of comorbidities in the ERAS program can minimize the influence of comorbidities on LOS. The safety, efficiency, and costs-saving benefits of the ERAS program with reduced LOS for unselected patients was confirmed in this study.

Keywords: Enhanced recovery after surgery; Length of stay; Total hip arthroplasty; predictors.

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Figures

Figure 1
Figure 1
Flow chart of ERAS program. ERAS, enhanced recovery after surgery; DVT, deep vein thrombosis; LOS, length of stay; PONV, postoperative nausea and vomiting; VAS, visual analog scores.
See this image and copyright information in PMC

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