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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,...
Peptic Ulcer01:27

Peptic Ulcer

Peptic ulcers are erosive lesions of the gastric or duodenal lining, most commonly caused by Helicobacter pylori infection. This Gram-negative, helical bacterium has adapted to survive the stomach’s acidic environment by producing urease, which converts urea into ammonia and carbon dioxide. The ammonia neutralizes gastric acid in the bacterium’s immediate environment, allowing colonization of the gastric mucosa. H. pylori attaches to mucus-secreting epithelial cells, penetrates the mucus...
Peptic Ulcer Disease III: Clinical Manifestations and Complications01:25

Peptic Ulcer Disease III: Clinical Manifestations and Complications

Duodenal UlcersDuodenal ulcers are the most common form of peptic ulcer disease, presenting with chronic, intermittent epigastric pain. Pain typically appears 2–3 hours after meals, especially when the stomach is empty, often waking patients at night. It is characteristically relieved by food or antacids (“pain–food–relief”). Some patients remain asymptomatic until complications like bleeding or perforation emerge, particularly with NSAID or anticoagulant use.Gastric UlcersGastric ulcers share...
Varicose Veins II: Diagnostic Studies and Interprofessional Care01:26

Varicose Veins II: Diagnostic Studies and Interprofessional Care

Varicose veins, or varicosities, develop when the valves in the veins, which control blood flow, weaken or damage. It causes blood to pool and the veins to enlarge. Understanding the clinical manifestations, diagnostic approaches, and management options for varicose veins is crucial for effective treatment and relief.Clinical manifestationsClinical manifestations of varicose veins include a heavy, achy feeling or pain after prolonged standing or sitting. This discomfort can often be relieved by...
Varicose Veins I: Introduction01:26

Varicose Veins I: Introduction

Varicose veins, or varicosities, are abnormally dilated and twisted superficial veins caused by venous valve incompetence. This condition commonly affects the lower extremities, especially the saphenous veins, due to the higher pressure from prolonged standing and walking. However, varicosities can also occur in other areas, such as the esophagus, vulva, spermatic cords, and anorectal region.Etiology and typesPrimary varicose veins, often idiopathic, are more common in women due to inherent...
Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation

Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...

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Related Experiment Video

Updated: Jun 4, 2026

Prospective, Randomized, and Controlled Study of a Human Umbilical Cord Mesenchymal Stem Cell Injection for Treating Diabetic Foot Ulcers
04:09

Prospective, Randomized, and Controlled Study of a Human Umbilical Cord Mesenchymal Stem Cell Injection for Treating Diabetic Foot Ulcers

Published on: March 3, 2023

[Mixed leg ulcers].

Torsten Willenberg1

  • 1Universitätsklinik für Angiologie, Schweizer Herz- und Gefäßzentrum, Inselspital, Bern. torsten.willenberg@insel.ch

Therapeutische Umschau. Revue Therapeutique
|March 2, 2011
PubMed
Summary
This summary is machine-generated.

Peripheral arterial disease often coexists with venous leg ulcers, affecting 15-21% of patients. Treatment must address both arterial and venous components for effective healing.

Related Experiment Videos

Last Updated: Jun 4, 2026

Prospective, Randomized, and Controlled Study of a Human Umbilical Cord Mesenchymal Stem Cell Injection for Treating Diabetic Foot Ulcers
04:09

Prospective, Randomized, and Controlled Study of a Human Umbilical Cord Mesenchymal Stem Cell Injection for Treating Diabetic Foot Ulcers

Published on: March 3, 2023

Area of Science:

  • Vascular Surgery
  • Dermatology
  • Wound Healing

Context:

  • Ulcera cruris (leg ulcers) commonly have a venous etiology.
  • A significant percentage (15-21%) of patients with venous leg ulcers also have coexisting peripheral arterial disease.
  • Diagnosing mixed arterial-venous ulcers requires a comprehensive approach including patient history, clinical examination, ankle-brachial index (ABI), and duplex ultrasonography.

Purpose:

  • To highlight the prevalence and diagnostic challenges of mixed arterial-venous leg ulcers.
  • To emphasize the necessity of evaluating and treating the arterial component in these ulcers.
  • To outline current treatment strategies for mixed leg ulcers.

Summary:

  • Mixed arterial-venous leg ulcers necessitate a dual treatment approach.
  • Endovascular revascularization can significantly improve arterial perfusion and promote healing.
  • Compression therapy, potentially with advanced graduated systems, remains crucial for the venous component, alongside consideration for varicose vein ablation.

Impact:

  • Improved diagnostic accuracy for complex leg ulcers.
  • Enhanced treatment outcomes through integrated management of arterial and venous pathologies.
  • Reduced recurrence rates and improved quality of life for patients with mixed leg ulcers.