Document Detail

Obesity is still a risk factor in coronary artery bypass surgery.
MedLine Citation:
PMID:  25036327     Owner:  NLM     Status:  Publisher    
OBJECTIVE: Even with the improvements in surgical techniques and perioperative care, obesity is still a risk factor for occurrence of adverse events following cardiac surgery. In this observational, retrospective study, we aimed to document the effects of obesity on surgical outcomes in patients undergoing coronary artery bypass surgery and find out the effects of improvements in cardiac surgery.
METHODS: Between January 2011 and March 2013, isolated coronary artery bypass surgery was performed on 790 patients. The body mass index values of the patients were calculated and patients were divided into two groups; below 30 were classified as non-obese group whereas above 30 were classified as obese group. The odds ratio was obtained by using univariate analysis in order to document the effects of obesity on outcomes.
RESULTS: There were 548 (69.3%) patients in non-obese group, whereas 242 (30.7%) patients in obese group. The cardiopulmonary bypass (80.47±23.58 vs. 80.89±28.46, p=0.449) and aortic clamp times (54.13±16.60 vs. 54.19±19.85, p=0.511) and number of bypass grafts (3.09±1.02 vs. 2.96±1.00, p=0.11) were comparable between the groups. The mean number of fresh frozen plasma used was higher in obese patients (1.37±1.75 vs. 1.48±4.63, p=0.02). Intubation time was higher in obese patients (10.57±6.87 vs. 12.71±35.31, p=0.014). Total amount of postoperative drainage was higher in non-obese patients (766.77±472.27 vs. 648.72±371.39, p<0.001). The superficial infection/mediastenitis (0.4% vs. 2.5%, p=0.012), dehiscence (0.2% vs. 3.7%, p<0.001) and postoperative renal failure rates (4.7% vs. 8.7%, p=0.031) were higher in obese patients. The incidence of atrial fibrillation was lower in obese patients (19.7% vs. 12.8%, p=0.019). The mortality (0.5% vs. 1.7%, p=0.210) and postoperative stroke rates (1.1% vs. 0.8%, p=1.000) were similar in both groups.
CONCLUSION: We documented that obesity is still a risk factor for occurrence of postoperative adverse events. We believe that improved perioperative care together with meticulous regimens can improve postoperative outcomes in patients undergoing coronary artery bypass surgery.
Hasan Alper Gürbüz; Ahmet Barış Durukan; Nevriye Salman; Halil Ibrahim Uçar; Cem Yorgancıoğlu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-1-2
Journal Detail:
Title:  Anadolu kardiyoloji dergisi : AKD = the Anatolian journal of cardiology     Volume:  -     ISSN:  1308-0032     ISO Abbreviation:  Anadolu Kardiyol Derg     Publication Date:  2014 Jan 
Date Detail:
Created Date:  2014-7-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101095069     Medline TA:  Anadolu Kardiyol Derg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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