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A Contemporary Cost Analysis of Postoperative Morbidity After Coronary Artery Bypass Grafting With and Without Concomitant Aortic Valve Replacement to Improve Patient Quality and Cost-Effective Care.
MedLine Citation:
PMID:  23972932     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: The financial burden of postoperative morbidity after cardiac operations remains ill defined. This study evaluated the costs associated with the performance of coronary artery bypass grafting (CABG) with and without aortic valve replacement (AVR) and determined the incremental costs associated with major postoperative complications.
METHODS: A total of 65,534 regional patients undergoing CABG (n = 55,167) ± AVR (n = 10,367) were evaluated from 2001 to 2011. Patient-related, hospital-related, and procedure-related cost data were analyzed by use of Medicare-based cost reports. Hierarchical multivariable regression modeling was used to estimate risk-adjusted incremental cost differences in postoperative complications.
RESULTS: The mean age was 64 years, and women accounted for 31% of patients. CABG + AVR patients had higher rates of overall complication (40% vs 35%, p < 0.001) and operative mortality (5% vs 3%, p < 0.001) than did CABG patients. CABG + AVR patients also accrued increased median postoperative lengths of stay (7 vs 5 days, p < 0.001) and total costs ($26,527 vs $24,475, p < 0.001). After mortality risk adjustment, significant positive relationships existed between total costs and major postoperative complications. Interestingly, the highest incremental costs among CABG patients included newly instituted hemodialysis ($71,833), deep sternal wound infection ($56,003), and pneumonia ($50,025). Among CABG + AVR patients, these complications along with perioperative myocardial infarction ($68,917) dominated costs.
CONCLUSIONS: Postoperative complications after CABG ± AVR are associated with significantly increased incremental costs. The most costly complications include newly instituted hemodialysis, infectious complications, and perioperative myocardial infarction. Identification of the most common and the most costly complications provides opportunities to target improvement in patient quality and the delivery of cost-effective care.
Authors:
Damien J Lapar; Ivan K Crosby; Jeffrey B Rich; Edwin Fonner; Irving L Kron; Gorav Ailawadi; Alan M Speir;
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-8-21
Journal Detail:
Title:  The Annals of thoracic surgery     Volume:  -     ISSN:  1552-6259     ISO Abbreviation:  Ann. Thorac. Surg.     Publication Date:  2013 Aug 
Date Detail:
Created Date:  2013-8-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  15030100R     Medline TA:  Ann Thorac Surg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.
Affiliation:
University of Virginia, Charlottesville, Virginia; Virginia Cardiac Surgery Quality Initiative, Richmond, Virginia. Electronic address: dlapar@virginia.edu.
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