Related Experiment Video
Updated: May 9, 2026
05:41
Non-invasive Assessment of Microvascular and Endothelial Function
Published on: January 29, 2013
Sudomotor function assessment as a screening tool for microvascular complications in type 2 diabetes
V G Eranki1, R Santosh, K Rajitha
1Apollo Hospitals, Hyderabad, India.
Diabetes Research and Clinical Practice
|July 25, 2013
Summary
Sudoscan effectively screens for microvascular complications in type 2 diabetes. This non-invasive sweat test shows promise in identifying patients at risk, aiding early intervention strategies.
Area of Science:
- Diabetology
- Vascular Medicine
- Medical Diagnostics
Background:
- Type 2 diabetes is associated with microvascular complications.
- Early detection of these complications is crucial for patient management.
- Current screening methods may be invasive or time-consuming.
Purpose of the Study:
- To evaluate Sudoscan as a non-invasive screening tool for microvascular complications in type 2 diabetes.
- To assess the diagnostic performance of Sudoscan in detecting these complications.
Main Methods:
- Sudoscan, a device measuring sweat gland function, was utilized.
- Receiver Operating Characteristic (ROC) curve analysis was performed.
- An autonomic risk score was derived for analysis.
Main Results:
- The area under the ROC curve (AUC) for detecting microvascular complications was 0.75.
- The autonomic risk score demonstrated a sensitivity of 82%.
- The specificity for the autonomic risk score was 61%.
Conclusions:
- Sudoscan shows potential as a screening tool for microvascular complications in type 2 diabetes.
- The autonomic risk score derived from Sudoscan has moderate diagnostic accuracy.
- Further research may refine Sudoscan's role in clinical practice.
Related Concept Videos
01:27Diabetic Retinopathy
DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...
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...
01:15Diabetes: Symptoms, Diagnosis, and Complications
For most patients, experiencing several weeks of polyuria, polydipsia, fatigue, and significant weight loss may indicate the presence of diabetes. Furthermore, adults displaying the phenotypic appearance of type 2 diabetes (particularly those who are obese and not initially insulin-requiring), may have islet cell autoantibodies, suggesting autoimmune-mediated β cell destruction and a diagnosis of latent autoimmune diabetes of adults (LADA). The categorization of glucose homeostasis is based on...
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...
01:31Diabetic Foot Ulcer
Definition A diabetic foot ulcer (DFU) is a chronic, non-healing wound that develops in individuals with diabetes. It typically occurs on pressure-bearing areas such as the heel, metatarsal heads, or hallux, and carries a high risk of infection and amputation.Pathophysiology • The development of DFUs can be explained by four interconnected mechanisms: neuropathy, ischemia, infection, and impaired wound healing. • Neuropathy is the most common factor. Sensory neuropathy reduces pain perception,...
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.