The article titled “The Neuropad test: a visual indicator test for human diabetic neuropathy” (Quattrini et al., 2008) discusses the use of the Neuropad® test as a simple visual indicator for evaluating diabetic neuropathy and compares the results of the Neuropad® test with established measures of somatic and autonomic neuropathy in diabetic patients.
In a 2008 study published in Diabetologia, Quattrini et al. evaluated the Neuropad® test—a simple visual indicator test designed to assess sudomotor function in diabetic patients. The study involved 57 diabetic patients who underwent Neuropad® assessment, quantitative sensory and autonomic function testing, and evaluation of intra-epidermal nerve fibre density in foot skin biopsies. The results demonstrated that Neuropad® responses correlated with various measures of neuropathy, including the neuropathy disability score, neuropathic symptom score, cold detection threshold, and deep-breathing heart rate variability. Furthermore, the study found that the sensitivity of an abnormal Neuropad® response in detecting clinical neuropathy was 85%, with a negative predictive value of 71%, and a specificity of 45% with a positive predictive value of 69%.
These findings underscore the utility of Neuropad® as a non-invasive, reliable tool for early detection of diabetic neuropathy. Its simplicity and ease of use make it an excellent option for routine screening in clinical settings, allowing for timely intervention and management of diabetic neuropathy.
Key Points:
- Early Detection: Neuropad® effectively identifies early signs of diabetic neuropathy through sudomotor function assessment.
- Non-Invasive: The test is simple to administer and does not require specialized equipment.
- Clinical Utility: the device’s ease of use facilitates its integration into routine clinical practice for monitoring diabetic patients.
- Reliability: The study demonstrated a strong correlation between Neuropad® results and clinical measures of neuropathy.
Conclusion:
Quattrini et al.’s study highlights the importance of early detection of diabetic neuropathy and supports the use of Neuropad® as a valuable tool in this regard. Its non-invasive nature, ease of use, and reliability make it a promising option for enhancing patient care and outcomes in individuals with diabetes.
Link to full article
The Neuropad test: a visual indicator test for human diabetic neuropathy

