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A Cohort Study of Nutrition Practices in the Intensive Care Unit Following Abdominal Aortic Aneurysm Repair.
MedLine Citation:
PMID:  23100541     Owner:  NLM     Status:  Publisher    
Introduction: Enteral nutrition within 48 hours of intensive care unit (ICU) admission is recommended for the ICU population. Major vascular surgery patients have a higher incidence of pre- and postoperative malnutrition compared with the general surgical population. Our objectives were to determine if early feeding (within 48 hours of admission) is achievable and well tolerated, identify factors that predict early feeding, and determine if there is an association between early feeding and in-hospital mortality among abdominal aortic aneurysm (AAA) repair patients. Methods: A retrospective cohort study was conducted among 145 postsurgical AAA repair patients admitted to the ICU within 48 hours of surgery. Kaplan-Meier methods and Cox proportional hazard multiple regression were used to analyze the data. Results: Only 35 (24%) patients received early feeding. Patients were more likely to be fed early if they were male (adjusted hazard ratio [aHR] = 2.3; 95% confidence interval [CI], 0.8-6.7; P = .13), had endovascular AAA repair (aHR = 2.9; 95% CI, 1.4-6.2; P = .006), had less blood loss (<4 L) during surgery (aHR = 2.3; 95% CI, 0.7-7.2; P = .14), and had shorter length of ventilation (<48 hours) (aHR = 2.2; 95% CI, 1.1-4.8; P = .048). Of 44 patients fed via enteral nutrition (EN), 27 (61%) achieved nutrition adequacy (>80% EN goal) during ICU admission. After controlling for other factors, 14-day mortality was not related to feeding time (aHR = 1.1; P = .88). Conclusion: Early feeding was achieved in a minority of patients following AAA repair, was related to type of surgery and duration of mechanical ventilation, and was tolerated as well as later introduced feedings. Randomized trials are needed to determine safety and benefits of early feeding in this patient group.
Melanie R Ksienski; Tanis R Fenton; Misha Eliasziw; Danny J Zuege; Paul Petrasek; Reza Shahpori; Kevin B Laupland
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-24
Journal Detail:
Title:  JPEN. Journal of parenteral and enteral nutrition     Volume:  -     ISSN:  0148-6071     ISO Abbreviation:  JPEN J Parenter Enteral Nutr     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7804134     Medline TA:  JPEN J Parenter Enteral Nutr     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Nutrition Services, Alberta Health Services, Calgary, Alberta, Canada.
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