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The prevalence of type 2 diabetes among older people is increasing every year. The main pathogenetic mechanisms of type 2 diabetes in elderly patients include disruption of the intestinal microbiota, cellular aging, oxidative stress and mitochondrial dysfunction, immune and inflammatory processes. Short-chain fatty acids produced by the intestinal microbiota influence inflammatory processes in pancreatic β-cells. Cellular senescence causes the secretion of different cytokines, chemokines, growth factors and proteases, exacerbating the proinflammatory state and increasing insulin resistance of the tissues. Oxidative stress and mitochondrial dysfunction decrease the ATP synthesis process and increase the formation of reactive oxygen species. Changes in the immune system in elderly patients contribute to autoimmune processes and systemic inflammation. Clinical features of diabetes mellitus in old age include asymptomatic progression, impaired recognition of hypoglycemia, impaired cognitive function, and muscle atrophy. The progressive decline in β-cells function in type 2 diabetes requires insulin therapy in many patients. Biphasic insulins allow to control both basal and postprandial glycemia, are easy to use and are indicated for patients who have difficulty counting amount of carbohydrates. However, it is worth remembering a balanced approach to prescribing and deintensifying therapy.
Петунина et al. (Wed,) studied this question.