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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 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...
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...
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,...
Peripheral Artery Disease IV: Nursing Management01:26

Peripheral Artery Disease IV: Nursing Management

The nursing management of a patient with peripheral artery disease (PAD) begins with a thorough assessment of the patient’s health history and clinical manifestations.AssessmentHealth History: Evaluate the patient’s history of hypertension, hyperlipidemia, family history of cardiovascular issues, and lifestyle factors such as dietary patterns, smoking, and physical activity.Physical Examination:Assess the affected extremity for decreased or absent peripheral pulses, temperature changes,...
Pathophysiology of Diabetes01:20

Pathophysiology of Diabetes

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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Chapter V: Diabetic foot.

M Lepäntalo1, J Apelqvist, C Setacci

  • 1Department of Vascular Surgery, Helsinki University Central Hospital, Helsinki, Finland. mauri.lepantalo@hus.fi

European Journal of Vascular and Endovascular Surgery : the Official Journal of the European Society for Vascular Surgery
|December 17, 2011
PubMed
Summary
This summary is machine-generated.

Diabetic foot ulcers often involve neuroischaemia, a combination of nerve damage and poor blood flow. Early vascular assessment and intervention are critical for healing and preventing amputation in these complex cases.

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Area of Science:

  • Vascular Surgery
  • Diabetology
  • Podiatry

Background:

  • Diabetic foot ulcers are complex, often resulting from a triad of ischaemia, neuropathy, and infection.
  • Peripheral arterial disease in diabetic patients is frequently underestimated due to atypical ischaemic symptoms.
  • Microvascular dysfunction significantly impedes the healing of neuroischaemic ulcers.

Purpose of the Study:

  • To highlight the underestimated role of peripheral arterial disease in diabetic foot ulceration.
  • To emphasize the need for lower revascularization thresholds in neuroischaemic ulcers compared to purely ischaemic ones.
  • To advocate for a paradigm shift in diabetic foot care, focusing on vascular impairment.

Main Methods:

  • Review of existing literature on diabetic foot ulcer management.
  • Analysis of the aetiological triad: ischaemia, neuropathy, and infection.
  • Emphasis on early referral, non-invasive vascular testing, imaging, and intervention.

Main Results:

  • Neuroischaemic ulcers require specific management strategies often overlooked by current guidelines.
  • A significant paucity of comparable data exists for diagnosing and treating neuroischaemic diabetic feet.
  • Current recommendations for these cases are often based on low-grade evidence.

Conclusions:

  • Diabetic foot ulcers should be presumed to have vascular impairment until proven otherwise.
  • A multidisciplinary approach, including vascular surgeons, is essential for optimal patient outcomes.
  • New strategies and focused research are urgently needed to improve healing rates and prevent amputations in patients with diabetic foot ulcers and vascular impairment.