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Patient-related risk factors for postoperative mortality and periprosthetic joint infection in medicare patients undergoing TKA
Journal article   Open access   Peer reviewed

Patient-related risk factors for postoperative mortality and periprosthetic joint infection in medicare patients undergoing TKA

Kevin J Bozic, Edmund Lau, Steven Kurtz, Kevin Ong and Daniel J Berry
Clinical orthopaedics and related research, v 470(1), pp 130-137
Jan 2012
DOI: https://doi.org/10.1007/s11999-011-2043-3
PMID: 21874391
Featured in Collection :   UN Sustainable Development Goals @ Drexel
url
https://doi.org/10.1007/s11999-011-2043-3View
Published, Version of Record (VoR)Open Access (License Unspecified),  Open

Abstract

Aged Aged, 80 and over Arthroplasty, Replacement, Knee - mortality Cause of Death Chi-Square Distribution Cohort Studies Comorbidity Confidence Intervals Databases, Factual Female Follow-Up Studies Hospital Mortality - trends Humans Knee Prosthesis Male Medicare - statistics & numerical data Postoperative Complications - mortality Proportional Hazards Models Prosthesis-Related Infections - diagnosis Prosthesis-Related Infections - mortality Retrospective Studies Risk Factors Survival Analysis Time Factors United States
The impact of specific baseline comorbid conditions on the relative risk of postoperative mortality and periprosthetic joint infection (PJI) in elderly patients undergoing TKA has not been well defined. We calculated the relative risk of postoperative mortality and PJI associated with 29 comorbid conditions in Medicare patients undergoing TKA. The Medicare 5% sample was used to calculate the relative risk of 90-day postoperative mortality and PJI as a function of 29 preexisting comorbid conditions in 83,011 patients who underwent primary TKA between 1998 and 2007. The independent risk factors for 90-day postoperative mortality (in decreasing order of significance) were congestive heart failure, metastatic cancer, renal disease, peripheral vascular disease, cerebrovascular disease, lymphoma, cardiac arrhythmia, dementia, pulmonary circulation disorders, and chronic liver disease. The independent risk factors for PJI (in decreasing order of significance) were congestive heart failure, chronic pulmonary disease, preoperative anemia, diabetes, depression, renal disease, pulmonary circulation disorders, obesity, rheumatologic disease, psychoses, metastatic tumor, peripheral vascular disease, and valvular disease. We believe this information important when counseling elderly patients regarding the risks of mortality and PJI after TKA and risk-adjusting publicly reported TKA patient outcomes.

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Collaboration types
Industry collaboration
Domestic collaboration
Web of Science research areas
Orthopedics
Surgery
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