Diabetic Neuropathy
Diabetic Neuropathy - Related Videos
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Diabetic Neuropathy
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2026
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...
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Corneal Confocal Microscopy: A Novel Non-invasive Technique to Quantify Small Fibre Pathology in Peripheral Neuropathies
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Cited by 155 •
2011
Corneal Confocal microscopy is a non-invasive clinical technique which may be used to quantify C fibre damage to diagnose and stratify patients with increasing neuropathic severity.
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Nerve Ultrasound Protocol to Detect Dysimmune Neuropathies
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Cited by 4 •
2021
This article presents a protocol for nerve ultrasound in polyneuropathies to aid the diagnosis of inflammatory neuropathies.
02:26
Establishing a Mouse Model of Small Fiber Neuropathy Using Resiniferatoxin
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2025
This video demonstrates a method for establishing a small fiber neuropathy model in mice using the TRPV1 agonist resiniferatoxin (RTX). It outlines the steps involved in administering RTX to mice and explains how RTX induces neuronal death in small-diameter sensory neurons, thereby establishing the neuropathy model.
14:54
Rat Model of Photochemically-Induced Posterior Ischemic Optic Neuropathy
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Cited by 2 •
2015
The goal of this protocol is to photochemically induce ischemic injury to the posterior optic nerve in rat. This model is critical to studies of the pathophysiology of posterior ischemic optic neuropathy, and therapeutic approaches for this and other optic neuropathies, as well as of other CNS ischemic diseases.
FAQs
Persistently elevated blood glucose harms nerves through two linked pathways: it disrupts nerve metabolism and damages the small blood vessels that nourish nerve tissue. These changes can impair signaling, promote inflammation, and drive progressive injury. Considering both metabolic and vascular damage helps explain why controlling glucose and identifying neuropathic changes early are central to limiting further nerve dysfunction.
Diabetic neuropathy can produce different consequences depending on which nerves are affected. Peripheral involvement may reduce sensation or cause pain in the feet, legs, and sometimes hands, whereas involvement of internal organs may produce a different symptom pattern. This variation means clinicians must consider the distribution of symptoms rather than treating every case as identical.
Loss of protective sensation is especially important because it can hide injuries that would otherwise prompt care. A person may not notice a wound on an affected foot or leg, allowing infection risk to increase. Thus, numbness is not merely a sensory complaint; it can remove an important warning signal and contribute to preventable disability.
Early screening is valuable because it can support recognition of nerve involvement before sensory loss, weakness, pain, or related complications become more advanced. In medical practice, screening contributes to prevention as well as identification: it can prompt attention to glucose management, symptom control, and protection against unnoticed wounds. This makes screening part of long-term complication reduction.
Management addresses both the underlying metabolic context and its consequences. Glucose management targets the persistent elevation associated with nerve injury, while symptom control focuses on problems such as burning pain, tingling, or weakness. Combining these priorities supports day-to-day function and helps reduce the chance that progressive nerve damage will lead to disability.
In medicine, diabetic neuropathy matters not only because it may cause pain, but because loss of protective sensation can increase the risk of unnoticed wounds, infection, and disability. Clinical strategies therefore emphasize recognizing changing symptoms, screening for nerve disorders, managing glucose, controlling symptoms, and preventing complications. These goals connect assessment with long-term functional protection.