Document Detail


Resting energy expenditure and nitrogen loss after surgery in chronically undernourished patients.
MedLine Citation:
PMID:  8447146     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Chronically undernourished patients (n = 10) undergoing elective abdominal surgery were assessed with regard to their energy expenditure and urinary nitrogen loss. These measurements were made for 1 week after the surgery, and stress factors for each parameter were computed. The responses of the chronically undernourished patients were compared to those of relatively well nourished patients (n = 10) undergoing comparable surgeries. It was found that the postoperative resting energy expenditure (REE) of the chronically undernourished patients was not significantly elevated when compared to their preoperative values (mean +/- SEM): 1210.66 +/- 88.13, 1354.91 +/- 86.61, 1215.09 +/- 89.68, and 1188.23 +/- 86.61 kcal/day preoperatively and on postoperative days 1, 4, and 8, respectively. On the other hand, the postoperative REE of the controls was significantly elevated (p < 0.05) over their baseline values: 1357.18 +/- 70.81, 1574.66 +/- 100.35, 1502.89 +/- 109.44, and 1477.23 +/- 83.52; kcal/day, respectively, for the same days. The stress factors for the controls were higher than those for the undernourished (1.16 versus 1.12, 1.11 versus 1.00, and 1.09 versus 0.98 on postoperative days 1, 4, and 8, respectively). The urinary nitrogen excretion in both groups (for the 4 days) was not significantly elevated over baseline (6.23 +/- 0.87, 7.72 +/- 0.71, 8.36 +/- 0.87, and 8.04 +/- 1.56 grams/day in the undernourished; and 7.59 +/- 1.03, 9.57 +/- 1.33, 9.49 +/- 1.03, and 8.67 +/- 0.76 grams/day in the controls. The stress factors for nitrogen excretion were slightly higher in the undernourished group.(ABSTRACT TRUNCATED AT 250 WORDS)
Authors:
I S Fernandez; A V Kurpad; A B Kilpadi; P S Shetty
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  World journal of surgery     Volume:  17     ISSN:  0364-2313     ISO Abbreviation:  World J Surg     Publication Date:    1993 Jan-Feb
Date Detail:
Created Date:  1993-04-07     Completed Date:  1993-04-07     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  7704052     Medline TA:  World J Surg     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  80-4     Citation Subset:  IM    
Affiliation:
Nutrition Research Center, St. John's Medical College and Hospital, Bangalore, India.
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MeSH Terms
Descriptor/Qualifier:
Abdomen / surgery*
Adult
Chronic Disease
Energy Metabolism*
Humans
Male
Middle Aged
Nitrogen / metabolism*
Nutrition Disorders / metabolism*
Rest
Stress, Physiological / metabolism
Chemical
Reg. No./Substance:
7727-37-9/Nitrogen

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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