The edition · Diabetes & Endocrinology
After a below-knee amputation in diabetes, one in four die within a year
Twenty-five years of English data show no fall in post-amputation mortality since 2012. Also: why semaglutide response cannot be predicted, CGM trajectories in type 1 diabetes, and sleep therapy that moved HbA1c.
The edition in brief
An England population study of 25,176 people with diabetes who had a below-knee amputation found mortality of 23.5% at one year, 60.0% at five years and 82.3% at ten, with no improvement since 2012. Older age, female sex and comorbidity burden were associated with higher mortality, and one in five were readmitted within 90 days. A prespecified SELECT analysis of 7,594 people on semaglutide found median peak weight loss of 12.5%, reached at a median of 19 months, but baseline characteristics explained under 10% of the variation in response; women and those reaching the full 2.4 mg dose lost most. A multicentre Korean CGM study of 1,028 adults with type 1 diabetes found older adults and those with chronic kidney disease improved time in range over three years without more hypoglycaemia, while severe beta-cell failure blunted gains. A 12-week trial in 102 men with obesity and hyperuricaemia found DASH, carbohydrate-restricted and low-purine diets lowered urate similarly, with a transient urate rise and gout flare peak in week one. A meta-analysis of ten trials found cognitive behavioural therapy for sleep was associated with better sleep quality and an HbA1c about 0.35 percentage points lower, though heterogeneity was very high.
Below-knee amputation in diabetes: mortality has not improved since 2012
Treat a below-knee amputation in diabetes as a marker of very high mortality risk, and act on cardiovascular risk and the other foot from discharge.
Semaglutide weight loss cannot be predicted from baseline features
Judge semaglutide response on treatment over 12–24 months, and work towards the full dose before calling it a failure.
Type 1 diabetes: older age and CKD did not hold back CGM gains
Consider measuring residual beta-cell function in type 1 diabetes, and do not lower CGM ambitions on age or CKD alone.
Hyperuricaemia and obesity: three diets, same urate fall, flare risk in week one
Choose the weight-loss diet a patient can sustain, and plan for a first-week gout flare.
Check the feet of the other leg at every amputation follow-up
After an amputation, the remaining foot is the highest-risk foot in your clinic.
Sleep therapy in diabetes was linked to better sleep and lower HbA1c
Consider CBT for insomnia in people with diabetes and poor sleep; it may help glucose as well as sleep.
Read the rest in the app
You have read your two free briefings this month. The app carries all 27 specialties, every morning, free — and this one is waiting in it.

Scan to keep reading on your phone. No account needed to start.
Tomorrow morning, before your first patient
One edition a day for diabetes & endocrinology, written by the desk, every claim tied to its paper. Six minutes.
Get the app — free