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New Study: Very Low Energy Diets Beneficial in Long-Term Weight Loss

posted by Admin User at 2016-02-08 13:15:00


According to a meta-analysis published in Obesity Reviews, very-low-energy diets (VLEDs) in addition to weight loss behavioral intervention programs are beneficial in long-term weight loss.

Helen M. Parretti, M.D., from the University of Birmingham in the United Kingdom, and colleagues reviewed the literature on VLEDs and behaviour change programs to examine the effects on weight loss. Data were included from randomized trials where the intervention included a VLED and the comparator was no intervention or an intervention that could be given in a general medical setting with overweight and obese adults.

Researchers compared two groups to discern the effect of VLEDs: One group underwent the behavioral program alone, while the other combined a VLED (800 calories or less) with the program. Results showed that the latter group achieved a weight loss of 3.9 kg more at one year, compared with the group that relied on the behavior intervention program by itself. After a 24 month period and at 38–60 months, the combined VLED and behavior change program group continued to maintain better weight loss. The drop off rate was nineteen percent for the combined group, and twenty percent for the behavioral change group alone. 
One adverse event was reported in the VLED group, cholecystitis, which is an inflammation of the gallbladder. This group also saw mild and transient reactions to a low energy diet (fatigue, dizziness, and cold intolerance).

Also included in the study were randomized trials where the intervention included a VLED and the comparator was no intervention or an intervention that could be given to adults who were overweight in a general medical setting.
The authors of the review, published on Jan 18th, added, “Very-low-energy diets with behavioral programs achieve greater long-term weight loss than behavioral programs alone, appear tolerable and lead to few adverse events suggesting they could be more widely used than current guidelines suggest.”

Take home: Very low energy diets, such as those experienced by gastric bypass and gastric sleeve surgery patients, are safe, tolerable, and can contribute to sustained weight loss.
 
posted at: 2016-02-08 13:15:00, last updated: 2016-02-08 13:16:22
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