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Haughom BD, Schairer WW, Hellman MD, et al. An Analysis of Risk Factors for Short-Term Complication Rates and Increased Length of Stay Following Unicompartmental Knee Arthroplasty. HSS J. 2015;11(2):112-6doi: 10.1007/s11420-014-9422-8.
Haughom, B. D., Schairer, W. W., Hellman, M. D., Nwachukwu, B. U., & Levine, B. R. (2015). An Analysis of Risk Factors for Short-Term Complication Rates and Increased Length of Stay Following Unicompartmental Knee Arthroplasty. HSS journal : the musculoskeletal journal of Hospital for Special Surgery, 11(2), 112-6. https://doi.org/10.1007/s11420-014-9422-8
Haughom, Bryan D, et al. "An Analysis of Risk Factors for Short-Term Complication Rates and Increased Length of Stay Following Unicompartmental Knee Arthroplasty." HSS journal : the musculoskeletal journal of Hospital for Special Surgery vol. 11,2 (2015): 112-6. doi: https://doi.org/10.1007/s11420-014-9422-8
Haughom BD, Schairer WW, Hellman MD, Nwachukwu BU, Levine BR. An Analysis of Risk Factors for Short-Term Complication Rates and Increased Length of Stay Following Unicompartmental Knee Arthroplasty. HSS J. 2015 Jul;11(2):112-6. doi: 10.1007/s11420-014-9422-8. Epub 2015 Jan 27. PMID: 26140029; PMCID: PMC4481252.
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HSS J. 2015 Jul;11(2):112-6. doi: 10.1007/s11420-014-9422-8. Epub 2015 Jan 27.

An Analysis of Risk Factors for Short-Term Complication Rates and Increased Length of Stay Following Unicompartmental Knee Arthroplasty.

HSS journal : the musculoskeletal journal of Hospital for Special Surgery

Bryan D Haughom, William W Schairer, Michael D Hellman, Benedict U Nwachukwu, Brett R Levine

Affiliations

  1. Rush University, Department of Orthopaedic Surgery, 1611 W. Harrison Blvd, Suite 200, Chicago, IL 60612 USA.
  2. Hospital for Special Surgery, Department of Orthopaedic Surgery, 535 East 70th St, New York, NY 10021 USA.

PMID: 26140029 PMCID: PMC4481252 DOI: 10.1007/s11420-014-9422-8

Abstract

BACKGROUND: Unicompartmental knee arthroplasty (UKA) is an increasingly popular procedure, with excellent long-term outcomes. However, there are only a limited number of reports reporting its short-term morbidity and mortality.

QUESTIONS/PURPOSES: We sought to analyze the reported 30-day morbidity, mortality, and risk factors for complications and prolonged length of stay (>4 days) following UKA.

PATIENTS AND METHODS: Utilizing the National Surgical Quality Improvement Program (NSQIP) database, including patients (n = 2316) from 2005-2012, we correlated the reported 30-day complications and prolonged length of stay with patient demographics and risk factors.

RESULTS: The overall rate of complications was low (3.2%). The distribution of complications demonstrated 0.5% major systemic, 1.4% minor systemic, 0.7% major local, and 0.9% minor local complications, with a 2.1% readmission rate. Multivariate regression demonstrated increased BMI and a history of chronic obstructive pulmonary disease (COPD) as independent risk factors for complications. Furthermore, multivariate regression demonstrated increased BMI, ASA ≥ 3, history of COPD, recent operation, and postoperative transfusion as independent risk factors for prolonged length of hospitalization.

CONCLUSIONS: Utilizing the NSQIP, we present one of the largest studies to date evaluating complications following UKA. Our multivariate model demonstrated obesity and COPD to be the risk factors for complications while obesity, ASA ≥ 3, COPD, recent operation, and blood transfusion to be the risk factors for prolonged length of stay.

Keywords: COPD; Complications; NSQIP; Obesity; Short-Term; Transfusion; Unicompartmental Knee Arthroplasty

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