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Gastric banding patients lacked nutrients despite counseling
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A 3-month program of dietary counseling appeared only marginally effective in preventing nutritional deficiencies among gastric banding surgery patients, according to recent study results.
“In banding surgery, it’s presumed there aren’t as many nutritional precautions needed as with some more invasive bariatric surgery options,” researcher Abhimanyu Garg, MD, chief of the division of nutrition and metabolic diseases at University of Texas Southwestern Medical Center, said in a press release. “Our study clearly shows there are issues regarding nutritional intake in gastric banding [GB] patients.”
Abhimanyu Garg
Garg and colleagues followed 23 GB patients (mean age, 49.3 years; 91% women) for 12 weeks. Each patient received biweekly individual dietary and behavioral counseling, and all patients were instructed to limit energy intake and to follow dietary recommendations established by the American Society for Metabolic and Bariatric Surgery (ASMBS) for GB surgery patients and the Dietary Guidelines for Americans. Food intake was assessed by 3-day records at baseline and at 6 and 12 weeks.
At baseline, more than 50% of patients had insufficient dietary intakes of 13 nutrients, they overconsumed sodium, and drew much of their energy from saturated or trans-fatty acids. At least 86% did not get the recommended daily amounts of vitamin D and calcium, a large number did not get enough protein, and many were slightly anemic.
Post-intervention data from 21 patients revealed reductions in energy (P=.0007), absolute protein (P=.04), cholesterol (P=.045), and potassium (P=.01) intake and increases in vitamin K (P=.03) intake and energy from protein (P=.005).
A McNemar test showed fewer patients had inadequate vitamin K intake (P=.008), but more patients exhibited insufficient thiamin consumption (P=.03). The proportion of patients who did not meet nutrition requirements for the other 27 tracked nutrients was high and remained static.
“These results indicate that nutritional counseling beyond 12 weeks is warranted in GB surgery patients,” the researchers concluded.“Further emphasis on consuming appropriate foods to meet the nutrient requirements and the use of protein, vitamin, mineral, and omega-3 fat supplements is warranted in these patients.”
Disclosure: The researchers report no relevant financial disclosures.
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