Key result
QT dispersion was increased in type 2 diabetic patients compared to healthy subjects and was significantly associated with cardiac parasympathetic function and systolic blood pressure.
Why the study?
Is QT dispersion associated with cardiac autonomic neuropathy in patients with type 2 diabetes?
Population
90 subjects, comprising 60 patients with type 2 diabetes and 30 healthy subjects
Design
Cross-sectional
Authors
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QT dispersion may mark parasympathetic neuropathy in T2DM; hypothesis-generating and requires prospective validation before clinical adoption.
Cross-Sectional (n=90)
Is QT dispersion associated with cardiac autonomic neuropathy in patients with type 2 diabetes?
QT dispersion on ECG reflects cardiac parasympathetic neuropathy and is independently influenced by systolic blood pressure in patients with type 2 diabetes.
Takebayashi et al. (2003) conducted a cross-sectional in Type 2 Diabetes (n=90). Type 2 diabetes vs. Healthy subjects was evaluated on QT dispersion (QTd) and its association with autonomic neuropathy parameters. QT dispersion was increased in type 2 diabetic patients compared to healthy subjects and was significantly associated with cardiac parasympathetic function and systolic blood pressure.
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