"Clinical status and mortality in older adults with type 1 diabetes: Results from a public health system"
Jesus Moreno-Fernandez1, Julia Sastre2, Pedro Pinés3
1Service of Endocrinology and Nutrition, Ciudad Real General University Hospital, Ciudad Real, Spain.
Aim:
To evaluate clinical status and mortality in older adults with long-standing type 1 diabetes mellitus (T1D).
Methods:
Cross-sectional analysis of all patients with T1D for 50 years or more from a cohort followed since 2010 at Castilla-La Mancha Public Health Service (Spain). Primary outcome was HbA1c change during the follow-up (2010-2020 period). Secondary outcomes included evaluation of insulin and continuous glucose monitoring (CGM) use, cardiovascular risk factors (CVRF), diabetes chronic complications and mortality.
Results:
A total of fifty-five T1D patients were analysed. Mean age was 69.5 ± 8.3 yrs. and T1D duration of 54.7 ± 4.7 yrs. We detected a HbA1c reduction of -0.5% (-6 mmol/mol) [95% CI -0.1, -0.9 (-2, -10); P = 0.016]. CGM was used by 26% of the patients. More patients suffered from hypertension and obesity in 2020 (66% vs. 78%, P = 0.016; and 26% vs. 31%, P = 0.016; respectively). An increase of diabetic polyneuropathy was detected (45% vs. 67%, P = 0.008). Rate of mortality was higher among patients with long-standing T1D (26% vs. 3.5%, P < 0.001), due to cardiovascular disease (57%).
Conclusions:
Older adults with long-standing T1D patients improved glycemic control although a worsening of CVRF and higher mortality rateweredetected.
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