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Related Concept Videos

Diabetic Foot Ulcer01:31

Diabetic 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,...
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...
Diabetic Retinopathy01:27

Diabetic 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...
Complications of Diabetes Mellitus01:22

Complications of Diabetes Mellitus

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,...
Diabetes: Symptoms, Diagnosis, and Complications01:15

Diabetes: 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...
Diabetes: Management and Pharmacotherapy01:15

Diabetes: Management and Pharmacotherapy

The therapy for diabetes aims to alleviate hyperglycemia-related symptoms, prevent acute metabolic decompensation, and reduce chronic end-organ complications. Glycemic control is evaluated through short-term (self-monitoring, continuous glucose monitoring) and long-term (A1c, fructosamine) metrics, enabling near real-time tracking of blood glucose levels and reflecting glycemic control over specific time frames.
Insulin remains the cornerstone of treatment for most patients with type 1 and many...

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Related Experiment Videos

The diabetic foot--an update.

Andrew J M Boulton1

  • 1University of Manchester, Manchester, UK. aboulton@med.miami.edu

Foot and Ankle Surgery : Official Journal of the European Society of Foot and Ankle Surgeons
|December 17, 2008
PubMed
Summary
This summary is machine-generated.

Diabetic foot problems, including ulcers, are rising due to type 2 diabetes. Early detection and proper offloading are crucial for managing neuropathy, deformity, and trauma, with stem cell therapy on the horizon.

Related Experiment Videos

Area of Science:

  • Diabetology
  • Podiatry
  • Endocrinology

Background:

  • The global epidemic of type 2 diabetes is increasing the incidence of diabetic foot problems.
  • Common causes of diabetic foot ulceration include neuropathy, deformity, and trauma.
  • Neuroischaemic ulcers are rising in Western countries, necessitating early risk detection.

Purpose of the Study:

  • To review the aetiopathogenesis and management of diabetic foot problems.
  • To highlight advances in understanding Charcot neuroarthropathy pathogenesis.
  • To emphasize the importance of offloading and future therapies like stem cells.

Main Methods:

  • Literature review of aetiopathogenesis and management strategies for diabetic foot problems.
  • Discussion of current understanding of Charcot neuroarthropathy mechanisms.
  • Emphasis on clinical aspects of wound healing and emerging treatments.

Main Results:

  • Diabetic foot ulceration results from a combination of factors, primarily neuropathy, deformity, and trauma.
  • The RANK-L OPG signalling system plays a key role in the osteopenia and osteoporosis seen in Charcot neuroarthropathy.
  • Effective offloading of neuropathic or neuroischaemic foot ulcers is a critical, yet often overlooked, component of care.

Conclusions:

  • Despite advances, diabetic foot problems will continue to increase, requiring improved early detection and management.
  • Understanding the RANK-L OPG system offers new insights into Charcot neuroarthropathy.
  • Future management of diabetic foot ulcers is likely to involve stem cell therapy, alongside optimized offloading techniques.