Objective. Patients with type 2
diabetes are encouraged to lose weight, but excessive weight loss in older
adults may be a marker of poor health and subsequent mortality. We examined weight
changes during the post-intervention
period of Look AHEAD, a randomized trial comparing intensive lifestyle
intervention (ILI) and diabetes support and education (DSE; control) in
individuals with overweight/obesity and type 2 diabetes and sought to identify predictors of excessive
post-intervention weight loss and its association
with mortality.
<p>Research Design and Methods. These secondary analyses compared post-intervention
weight change (year-8 to final visit [median 16 years]) in ILI and DSE in 3999
Look AHEAD participants. Using empirically derived trajectory categories, we
compared four subgroups: Weight Gainers (N= 307), Weight Stable (N=1561),
Steady Losers (N=1731) and Steep Losers (N=380) on post-intervention mortality,
demographic variables and health status at randomization and year-8.</p>
<p>Results. Post-intervention weight change averaged -3.7 ±9.5%, with
greater weight loss in DSE than ILI. The steep weight loss trajectory subgroup
lost on average 17.7 + 6.6%.; 30% of Steep Losers died during post-intervention
follow-up vs 10-18% in other trajectories (p<. 0001). The following
variables distinguished Steep Losers from Weight Stable: <i>Baseline </i>-
older; longer diabetes duration; higher BMI; greater multimorbidity; <i>Intervention
</i>– randomization to control group; less weight loss in years 1-8; <i>Year 8 </i>-
higher prevalence of frailty, multimorbidity and depressive symptoms; lower use
of weight control strategies. </p>
<p>Conclusion. Steep weight losses post-intervention were associated
with increased risk of mortality. Older individuals with longer duration
diabetes and multi-morbidity should be monitored for excessive, unintentional weight
loss. </p>
I am delighted that England is now to follow the rest of the UK and move towards all-graduate entry to the profession. The Department of Health (DH) is to be congratulated for steering this forward.
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