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Nitrogen Balance in Parenteral Nutrition

Nitrogen Balance in Parenteral Nutrition Abstract To the Editor.—We were interested to read "Nitrogen Balance in Postoperative Patients Receiving Parenteral Nutrition" by Van Way et al (Arch Surg 110:272, 1975). We have had considerable experience in the assessment of intravenous nutritional regimens in patients undergoing elective abdominal surgery, and we agree that increasing calorie and nitrogen intake improves nitrogen sparing, but at no time, using similar intakes, have we produced positive nitrogen balance. In one of our studies, five patients receiving 0.23 gm/day of nitrogen per kilogram of body weight and 51 kcal/day per kilogram of body weight had a daily nitrogen balance of −3.48±0.98 gm (mean ± SE) and positive balance was only achieved when oral feeding recommenced. The differences between our observations and those of Van Way et al may reflect variations in the method of administration or the technique of collection and measurement, a point that is emphasized by considering our respective control References 1. Blackburn GL, Flatt JP, Clowes GH Jr, et al: Peripheral intravenous feeding with isotonic amino acid solutions . Am J Surg 125:447-454, 1973.Crossref 2. Clark RG: Metabolic demands of surgery . Proc R Soc Med 66:765-767, 1973. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Surgery American Medical Association

Nitrogen Balance in Parenteral Nutrition

Archives of Surgery , Volume 110 (10) – Oct 1, 1975

Nitrogen Balance in Parenteral Nutrition

Abstract

Abstract To the Editor.—We were interested to read "Nitrogen Balance in Postoperative Patients Receiving Parenteral Nutrition" by Van Way et al (Arch Surg 110:272, 1975). We have had considerable experience in the assessment of intravenous nutritional regimens in patients undergoing elective abdominal surgery, and we agree that increasing calorie and nitrogen intake improves nitrogen sparing, but at no time, using similar intakes, have we produced positive nitrogen balance. In...
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Publisher
American Medical Association
Copyright
Copyright © 1975 American Medical Association. All Rights Reserved.
ISSN
0004-0010
eISSN
1538-3644
DOI
10.1001/archsurg.1975.01360160094021
Publisher site
See Article on Publisher Site

Abstract

Abstract To the Editor.—We were interested to read "Nitrogen Balance in Postoperative Patients Receiving Parenteral Nutrition" by Van Way et al (Arch Surg 110:272, 1975). We have had considerable experience in the assessment of intravenous nutritional regimens in patients undergoing elective abdominal surgery, and we agree that increasing calorie and nitrogen intake improves nitrogen sparing, but at no time, using similar intakes, have we produced positive nitrogen balance. In one of our studies, five patients receiving 0.23 gm/day of nitrogen per kilogram of body weight and 51 kcal/day per kilogram of body weight had a daily nitrogen balance of −3.48±0.98 gm (mean ± SE) and positive balance was only achieved when oral feeding recommenced. The differences between our observations and those of Van Way et al may reflect variations in the method of administration or the technique of collection and measurement, a point that is emphasized by considering our respective control References 1. Blackburn GL, Flatt JP, Clowes GH Jr, et al: Peripheral intravenous feeding with isotonic amino acid solutions . Am J Surg 125:447-454, 1973.Crossref 2. Clark RG: Metabolic demands of surgery . Proc R Soc Med 66:765-767, 1973.

Journal

Archives of SurgeryAmerican Medical Association

Published: Oct 1, 1975

References