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Triglyceride levels as a predictor of mortality in T2D

Cardiovascular disease is the leading cause of morbidity and mortality in people with diabetes. People presenting with diabetes frequently have dyslipidaemia, consisting of elevated triglycerides and low HDL-cholesterol. In a recently published study, individuals newly presenting with type 2 diabetes were followed up for 10 years with the aim of identifying biochemical markers that predicted mortality. Mean triglyceride levels during follow-up were significantly and independently associated with all-cause mortality rate. This independent association supports the idea that serum triglycerides could act as an important marker of mortality risk in type 2 diabetes.

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by Colin Kenny, GP, Dromore

It has been previously observed that raised triglycerides may predict progression of diabetes to require insulin. The aim of this Italian study was to evaluate cardiovascular risk factors in an outpatient population with type 2 diabetes in order to estimate their specific clinical value in predicting long-term mortality. In the study, 1917 outpatients with newly diagnosed type 2 diabetes were followed up for a period of 10 years after having had information recorded that included personal, clinical and biochemical data, and pharmacological treatment.

Mean triglyceride levels during follow-up were significantly associated with all-cause mortality, independent of confounding factors such as mean values of LDL-cholesterol, HDL-cholesterol, HbA1c, blood pressure, BMI and fasting glucose, and antihypertensive and antidiabetes treatment. This finding suggests that more attention should be given to the management of cardiovascular risk in people with type 2 diabetes who high triglycerides levels, although it does not suggest specifically targeting triglyceride levels.

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