Impaired circadian heart rate fluctuations in patients with long-standing diabetes are linked to increased cardiovascular and all-cause mortality. A study of 349 patients with type 1 or type 2 diabetes found that those with low daily heart rate fluctuations and a blunted nocturnal heart rate dip had a higher risk of cardiovascular mortality and all-cause mortality. Identifying these conditions through 24-hour ambulatory blood pressure monitoring could help with risk stratification in high-risk diabetic patients. The study was presented at the European Association for the Study of Diabetes Annual Meeting in Madrid. The study has limitations, including being retrospective and observational with mostly White patients.
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Abnormal HR Shifts Tied to Risk for Death in Diabetes
