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Related Concept Videos

Diabetic Neuropathy01:22

Diabetic 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...
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Type 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...
Pathophysiology of Diabetes01:20

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Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility, suggesting a...
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Diabetes mellitus is a chronic metabolic disorder characterized by persistent hyperglycemia due to insulin deficiency, resistance, or both. Prolonged hyperglycemia disrupts metabolic homeostasis and leads to acute and chronic complications.Acute ComplicationsAcute complications result from sudden metabolic imbalance.Diabetic ketoacidosis (DKA) mainly appears in type 1 diabetes but may also develop in type 2 diabetes, particularly under extreme stress. It arises from severe insulin deficiency,...
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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...
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Effects of Mindfulness Training Combined with Tai Chi in Patients with Diabetic Peripheral Neuropathy
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Published on: July 14, 2023

Motor dysfunction in diabetes.

Henning Andersen1

  • 1Department of Neurology, Aarhus University Hospital, Aarhus C, Denmark. hennande@rm.dk

Diabetes/Metabolism Research and Reviews
|January 25, 2012
PubMed
Summary
This summary is machine-generated.

Diabetic neuropathy (PN) causes muscle weakness and atrophy in the legs and feet. This motor dysfunction increases fall risk and foot ulceration, potentially leading to amputation.

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Area of Science:

  • Endocrinology
  • Neurology
  • Sports Medicine

Background:

  • Diabetic neuropathy (PN) is a common complication of diabetes.
  • Motor system involvement is often subtle and difficult to detect clinically.
  • Quantitative methods reveal muscle weakness in diabetic patients, linked to PN severity.

Purpose of the Study:

  • To investigate the relationship between diabetic neuropathy and muscle dysfunction.
  • To assess the impact of diabetes and PN on muscle strength, mass, and quality.
  • To explore the consequences of motor dysfunction in diabetic patients.

Main Methods:

  • Isokinetic dynamometry to assess muscle strength.
  • Magnetic resonance imaging (MRI) to evaluate muscle atrophy.
  • Longitudinal follow-up of diabetic patients over 8-10 years.

Main Results:

  • Diabetic patients with PN exhibit significant weakness in ankle and knee muscles.
  • Muscle weakness correlates with the presence and severity of PN.
  • MRI reveals corresponding muscular atrophy in the feet and lower legs.
  • Diabetes itself contributes to reduced muscle quality and strength.
  • Accelerated loss of muscle strength and mass observed in symptomatic PN patients over time.

Conclusions:

  • Diabetic neuropathy is a significant cause of muscle weakness and atrophy.
  • Motor dysfunction contributes to impaired mobility, increased falls, and altered foot biomechanics.
  • These factors elevate the risk of foot ulceration, potentially leading to amputation.
  • Further research into muscle and balance training interventions is warranted.