Nutrition (Burbank, Los Angeles County, Calif.) · 2009
Effect on immune indices of preoperative intravenous glutamine dipeptide supplementation in malnourished abdominal surgery patients in the preoperative and postoperative periods.
СтатьяРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Asprer Jonathan M, Llido Luisito O, Sinamban Reynaldo, Schlotzer Ewald, Kulkarni Hrishikesh
Аннотация
OBJECTIVE: To determine if parenteral glutamine dipeptide supplementation given only in the preoperative period in malnourished patients after gastrointestinal surgery would sustain its effects into the first postoperative week, as shown by immune indices.
METHODS: A prospective randomized study on malnourished adult patients for abdominal surgery was done where one group (n = 17) received preoperative glutamine supplementation (0.3 g . kg(-1) x d(-1)) for 5 d and the other (n = 17) had none. Both received isocaloric (30 kcal x kg(-1) x d(-1)) and isonitrogenous (1.5 g x kg(-1) x d(-1)) nutrition. Outcomes were 1) immune indices on admission (day 1), the day before surgery (day 2), and the seventh postoperative day (day 3); and 2) clinical outcomes were infection, wound complication, days in the intensive care unit, and mortality. Statistical tests were repeated samples analysis of variance, Friedman's test, Wilcoxon's test, and t test for individual comparison.
RESULTS: The glutamine-supplemented group showed an increase in total white blood cells (from 8700 on day to 11 080 on day 2, P = 0.026), granulocytes (from 6177 on day 1 to 8568 on day 2, P = 0.039), and lymphocytes (from 1516 on day 1 to 1747 on day 2, P = 0.049). Significant decreases in glutamine-supplemented group values from day 2 to day 3 occurred in granulocytes, lymphocytes, and CD8, CD22, and CD19 cells. Clinical outcome was similar in both groups. Intake was adequate in both groups (preoperative 85% versus postoperative 82% computed) and the mean glutamine delivered was 18 g/d.
CONCLUSION: Parenteral glutamine supplementation in the preoperative period resulted in increased white blood cell, granulocyte, and lymphocyte counts, which was not sustained in the first week of the postoperative period, when supplementation was discontinued before surgery.
METHODS: A prospective randomized study on malnourished adult patients for abdominal surgery was done where one group (n = 17) received preoperative glutamine supplementation (0.3 g . kg(-1) x d(-1)) for 5 d and the other (n = 17) had none. Both received isocaloric (30 kcal x kg(-1) x d(-1)) and isonitrogenous (1.5 g x kg(-1) x d(-1)) nutrition. Outcomes were 1) immune indices on admission (day 1), the day before surgery (day 2), and the seventh postoperative day (day 3); and 2) clinical outcomes were infection, wound complication, days in the intensive care unit, and mortality. Statistical tests were repeated samples analysis of variance, Friedman's test, Wilcoxon's test, and t test for individual comparison.
RESULTS: The glutamine-supplemented group showed an increase in total white blood cells (from 8700 on day to 11 080 on day 2, P = 0.026), granulocytes (from 6177 on day 1 to 8568 on day 2, P = 0.039), and lymphocytes (from 1516 on day 1 to 1747 on day 2, P = 0.049). Significant decreases in glutamine-supplemented group values from day 2 to day 3 occurred in granulocytes, lymphocytes, and CD8, CD22, and CD19 cells. Clinical outcome was similar in both groups. Intake was adequate in both groups (preoperative 85% versus postoperative 82% computed) and the mean glutamine delivered was 18 g/d.
CONCLUSION: Parenteral glutamine supplementation in the preoperative period resulted in increased white blood cell, granulocyte, and lymphocyte counts, which was not sustained in the first week of the postoperative period, when supplementation was discontinued before surgery.