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The obesity paradox in elderly obese patients undergoing coronary artery bypass surgery.
MedLine Citation:
PMID:  21543365     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
We sought to determine whether the protective role of the 'obesity paradox' was present among elderly obese patients undergoing coronary artery bypass grafting (CABG) by median sternotomy. We retrospectively analyzed 1909 consecutive patients who underwent heart surgery between January 2006 and June 2009, and identified 396 patients who were ≥70 years of age and had isolated CABG. Subjects were divided into three groups according to their body mass index (BMI): obese (BMI ≥30 kg/m(2)), overweight (BMI 25-29.99 kg/m(2)) and normal (BMI 18.5-24.99 kg/m(2)). Of the 396 patients, 94 were obese, 167 were overweight, and 135 had a normal BMI. The composite of in-hospital complications and hospital mortality did not differ between the groups. Re-exploration for bleeding was required in none of the obese patients, which was statistically significant (P=0.05) compared to the other groups; otherwise there was no statistical difference for all other complications, including total length hospital stay and length of stay in the intensive care unit. Despite being labeled as higher risk candidates preoperatively, obese elderly patients undergoing CABG did not demonstrate an increased risk of postsurgical complications. We conclude that the 'obesity paradox' is present in this population, and they should not be excluded from receiving the benefits of CABG. Keywords: Geriatric; Obesity; Coronary artery bypass grafting surgery; Outcomes.
Authors:
George Le-Bert; Orlando Santana; Andres Pineda; Carlos Zamora; Gervasio A Lamas; Joseph Lamelas
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-5-4
Journal Detail:
Title:  Interactive cardiovascular and thoracic surgery     Volume:  -     ISSN:  1569-9285     ISO Abbreviation:  -     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-5-5     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101158399     Medline TA:  Interact Cardiovasc Thorac Surg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Division of Cardiology at Mount Sinai Medical Center, Columbia University, Miami Beach, FL, USA.
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