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Related Experiment Videos

Diabetic autonomic neuropathy.

Aaron I Vinik1, Raelene E Maser, Braxton D Mitchell

  • 1Strelitz Diabetes Research Institutes, Eastern Virginia Medical School, Norfolk 23510, USA. vinikai@evms.edu

Diabetes Care
|April 30, 2003
PubMed
Summary
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Diabetic autonomic neuropathy (DAN) is a common diabetes complication affecting multiple organ systems. Early detection through heart rate variability (HRV) testing can improve metabolic control and patient outcomes.

Area of Science:

  • Endocrinology
  • Neurology
  • Cardiology

Background:

  • Diabetic autonomic neuropathy (DAN) is a significant complication of diabetes, increasing cardiovascular mortality risk.
  • Its prevalence varies, but approximately 20% of asymptomatic diabetics show abnormal cardiovascular autonomic function.
  • DAN can precede other diabetic complications and manifest in various organ systems, including gastrointestinal, genitourinary, and cardiovascular.

Purpose of the Study:

  • To highlight the underappreciated significance of Diabetic Autonomic Neuropathy (DAN).
  • To discuss the diverse clinical manifestations and organ system involvement of DAN.
  • To emphasize the importance of early detection and management of DAN, particularly cardiovascular autonomic neuropathy (CAN).

Main Methods:

Related Experiment Videos

  • Review of clinical manifestations and diagnostic approaches for DAN across various organ systems.
  • Focus on cardiovascular autonomic neuropathy (CAN) assessment using a battery of autonomic function tests, including heart rate variability (HRV).
  • Discussion of recommended testing protocols for CAN, including baseline and serial HRV measurements.

    • Main Results:

    • DAN presents with a wide range of symptoms, including gastrointestinal disturbances (e.g., gastroparesis, constipation), genitourinary issues (e.g., erectile dysfunction), and cardiovascular abnormalities.
    • Reduced HRV is strongly associated with an increased risk of silent myocardial ischemia and mortality in patients with CAN.
    • Recommended tests for CAN (R-R variation, Valsalva maneuver, postural blood pressure) are readily available and can be performed in standard clinical settings.

    Conclusions:

    • Early detection of DAN, especially CAN through regular HRV testing, is crucial for timely intervention.
    • Identifying DAN can prompt improved metabolic control and the use of effective therapies like ACE inhibitors and beta-blockers.
    • Standardized HRV testing facilitates diagnosis, differential diagnosis, and management of DAN, ultimately improving patient prognosis.