Related Experiment Video
Updated: May 19, 2026
05:06
Effects of Mindfulness Training Combined with Tai Chi in Patients with Diabetic Peripheral Neuropathy
Published on: July 14, 2023
Association Between Cardiac Autonomic Function and Peripheral Nerve Conduction Abnormalities in Type 2 Diabetes
Anwar H Siddiqui1, Md S Alam1, Ahmad Faraz1
1Department of Physiology, Jawaharlal Nehru Medical College and Hospital, Aligarh Muslim University, Aligarh, IND.
Cureus
|May 18, 2026
Summary
Early type 2 diabetes mellitus (T2DM) shows parallel autonomic and peripheral nerve dysfunction. Heart rate variability (HRV) correlates with nerve conduction, emphasizing early metabolic control for subclinical neuropathy.
Area of Science:
- Neurology
- Endocrinology
- Diabetology
Background:
- Cardiac autonomic neuropathy and diabetic peripheral neuropathy are common in early type 2 diabetes mellitus (T2DM).
- These neuropathies can be clinically silent.
- Heart rate variability (HRV) and nerve conduction studies (NCS) assess autonomic and peripheral nerve function, but their relationship in early T2DM is unclear.
Purpose of the Study:
- To investigate the relationship between autonomic and peripheral nerve function in early-stage T2DM.
- To identify predictors of autonomic dysfunction in T2DM patients.
Main Methods:
- Cross-sectional study of 100 T2DM patients (duration < 5 years) and 100 healthy controls.
- Analysis of resting HRV and motor/sensory NCS for median, posterior tibial, and sural nerves.
- Group comparisons, correlation, and multivariable regression analyses were performed.
Main Results:
- T2DM patients had reduced parasympathetic HRV indices and nerve amplitudes (especially sural SNAP).
- HRV parameters positively correlated with NCS measures; strongest association was between HF power and sural SNAP amplitude (r=0.62).
- Higher HbA1c and longer diabetes duration predicted reduced HRV.
Conclusions:
- Early T2DM is linked to concurrent autonomic and peripheral nerve dysfunction.
- HRV abnormalities correlate with nerve conduction deficits, suggesting shared mechanisms.
- Effective glycemic control and early neurophysiological assessment are crucial for managing subclinical neuropathy in T2DM.
Related Concept Videos
01:22Diabetic Neuropathy
DefinitionDiabetic neuropathy is nerve damage caused by long-standing diabetes mellitus. It results directly from prolonged high blood sugar levels.PathophysiologyThe pathophysiology of diabetic neuropathy involves both metabolic and vascular disturbances triggered by chronic hyperglycemia.Metabolic injury: Elevated glucose levels activate the polyol pathway within nerve cells, leading to the accumulation of sorbitol and fructose. This increases oxidative stress, disrupts normal nerve...
01:24Type II Diabetes II: Pathophysiology
PathophysiologyType 2 diabetes mellitus (T2DM ) is a chronic metabolic disorder characterized by insulin resistance and progressive pancreatic β-cell dysfunction, leading to impaired glucose homeostasis. It results from interactions among genetic predisposition, environmental factors, and metabolic stressors, such as overnutrition and a sedentary lifestyle.Insulin Resistance and Glucose DysregulationEarly T2DM involves insulin resistance in skeletal muscle, adipose tissue, and the liver.
01:21Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation
Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
01:26Type I Diabetes II: Pathophysiology
Type 1 diabetes mellitus arises from an immune-mediated destruction of pancreatic β-cells, resulting in an absolute deficiency of insulin. This process develops in genetically susceptible individuals when autoimmunity, environmental exposures, and immunologic dysregulation converge to trigger a targeted attack on the insulin-producing cells of the pancreas. The β-cells are located within the islets of Langerhans and are essential for regulating blood glucose by facilitating cellular uptake of...
01:26Type II Diabetes I: Introduction
Type 2 diabetes mellitus (T2DM) is a chronic metabolic disorder characterized by insulin resistance, in which target tissues such as the liver, muscle, and adipose tissue respond poorly to insulin. It is also associated with inadequate compensatory insulin secretion, where pancreatic β-cells fail to produce sufficient insulin. Together, these abnormalities lead to persistent hyperglycemia.EtiologyT2DM develops through a complex interaction of genetic predisposition and environmental or...
01:25Type II Diabetes Mellitus III: Clinical Manifestations and Diagnosis
Type 2 diabetes mellitus develops gradually and is often asymptomatic in early stages.Clinical ManifestationsWhen symptoms appear, they include fatigue, blurred vision, pruritus, delayed wound healing, and recurrent infections, particularly candidal infections. Peripheral neuropathy may present as numbness or tingling in the extremities. Classic hyperglycemia symptoms—polyuria, polydipsia, and polyphagia—are less common. Most patients are overweight and frequently have associated hypertension...