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Cardiac risk factors and hypoglycemia in an elderly patient: how good is good enough?
1Texas Diabetes Institute, San Antonio, Texas 78207, USA. curtis.triplitt@uhs-sa.com
Insights
Early glycemic control benefits elderly patients with type 2 diabetes mellitus (T2DM) if achieved safely. Individualized treatment plans are crucial to balance A1C goals and hypoglycemia risks.
Area of Science:
- Geriatric Medicine
- Endocrinology
- Pharmacology
Background:
- Type 2 diabetes mellitus (T2DM) management in elderly patients presents unique challenges.
- Glycosylated hemoglobin (A1C) targets, cardiovascular disease (CVD) risk, and hypoglycemia are key considerations.
Observation:
- Trials like ADVANCE, VADT, and ACCORD show mixed results on A1C reduction and CVD risk.
- Long-term UKPDS data suggest early glycemic control can reduce future CVD risk.
- Intensive glycemic control in the elderly may increase the risk of severe hypoglycemia.
Findings:
- Lowering A1C did not consistently reduce CVD risk in major trials.
- Early, safe glycemic control appears beneficial for long-term outcomes in T2DM.
- Hypoglycemia poses a significant risk in older adults with T2DM.
Implications:
- Treatment goals for elderly T2DM patients require individualization.
- Pharmacists must carefully manage A1C targets to avoid hypoglycemia.
- Balancing glycemic control and safety is paramount for this population.
Objectives:
This clinical review highlights emerging data regarding the complex relationship among glycosylated hemoglobin (A1C) goals, risk of cardiovascular disease, and hypoglycemia in elderly patients with type 2 diabetes mellitus (T2DM). According to the ADVANCE and VADT trials, lowering patients' A1C levels did not decrease the risk of cardiovascular disease, and the ACCORD trial found a slightly higher risk of cardiovascular disease with tighter glycemic control. Long-term follow-up data from the UKPDS indicated good glycemic control, when achieved early in newly diagnosed patients, lowered cardiovascular risk over the long-term (at least 15 to 20 years). Moreover, tight glycemic control, if it results in severe hypoglycemic events, may pose a serious risk among elderly patients with T2DM.
Data Sources:
Live symposium presentation based on clinical practice and research, medical literature, and studies published between October 2005 and January 2010 on managing diabetes in older adults, government statistics, and medical society guidelines.
Conclusions:
If it can be achieved safely, early glycemic control is beneficial to elderly patients with T2DM. Treatment goals for older adults should be an individualized process and must include a number of considerations. Pharmacists need to manage the dual issues of avoiding intensive lowering of A1C levels and averting the risk of hypoglycemia.
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