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Related Concept Videos

Venous Thrombosis I: Introduction01:30

Venous Thrombosis I: Introduction

Venous thrombosis, the most common disorder of the veins, involves the formation of a thrombus or blood clot associated with vein inflammation. It can be classified as either superficial vein thrombosis or deep vein thrombosis.Superficial Vein Thrombosis: This involves the formation of a thrombus in a superficial vein, usually the greater or lesser saphenous vein. Though less severe than deep vein thrombosis (DVT), SVT can lead to complications if untreated.Deep Vein Thrombosis (DVT): This...
Venous Thrombosis III: Interprofessional Care01:29

Venous Thrombosis III: Interprofessional Care

Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...
Venous Thrombosis IV: Nursing Management01:30

Venous Thrombosis IV: Nursing Management

Nursing management begins with a thorough assessment of the patient's health history. Key factors include trauma to veins, peripherally inserted central catheters, varicose veins, recent pregnancy or childbirth, surgery, bacteremia, prolonged bed rest, atrial fibrillation, COPD, heart failure, cancer, coagulation disorders, myocardial infarction, spinal cord injury, stroke, prolonged travel, recent bone fractures, and dehydration. Review medication intake, particularly oral contraceptives,...
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...
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
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...

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Related Experiment Video

Updated: Jun 12, 2026

Optimization of the Retinal Vein Occlusion Mouse Model to Limit Variability
07:23

Optimization of the Retinal Vein Occlusion Mouse Model to Limit Variability

Published on: August 6, 2021

Retinal vein thrombosis: pathogenesis and management.

M Rehak1, P Wiedemann

  • 1Department of Ophthalmology, University of Leipzig, Leipzig, Germany.

Journal of Thrombosis and Haemostasis : JTH
|May 25, 2010
PubMed
Summary

Retinal vein occlusion (RVO) management is challenging due to its complex nature. Treatments like laser photocoagulation and intravitreal injections help address macular edema and neovascularization, improving vision in RVO patients.

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In Vivo Vascular Injury Readouts in Mouse Retina to Promote Reproducibility
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In Vivo Vascular Injury Readouts in Mouse Retina to Promote Reproducibility

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Last Updated: Jun 12, 2026

Optimization of the Retinal Vein Occlusion Mouse Model to Limit Variability
07:23

Optimization of the Retinal Vein Occlusion Mouse Model to Limit Variability

Published on: August 6, 2021

In Vivo Vascular Injury Readouts in Mouse Retina to Promote Reproducibility
07:35

In Vivo Vascular Injury Readouts in Mouse Retina to Promote Reproducibility

Published on: April 21, 2022

Area of Science:

  • Ophthalmology
  • Vascular Medicine

Background:

  • Retinal vein occlusion (RVO) is a prevalent retinal vascular disease.
  • It often affects elderly individuals with co-existing systemic disorders like hypertension and diabetes.
  • Macular edema and neovascularization are primary causes of visual impairment and serious complications in RVO.

Purpose of the Study:

  • To summarize the current understanding and management strategies for Retinal Vein Occlusion (RVO).
  • To highlight effective treatments for macular edema and neovascularization in RVO patients.

Main Methods:

  • Review of existing literature on Retinal Vein Occlusion (RVO) management.
  • Analysis of treatment outcomes for macular edema and neovascularization.

Main Results:

  • Macular grid laser photocoagulation is effective for macular edema in Branch Retinal Vein Occlusion (BRVO) with visual acuity ≤ 20/40.
  • Intravitreal steroids and anti-VEGF drugs show promise for improving visual acuity by reducing edema.
  • Scatter panretinal laser photocoagulation effectively treats neovascularization and its complications.

Conclusions:

  • RVO management requires addressing both macular edema and neovascularization.
  • Emerging intravitreal therapies offer improved visual outcomes for RVO.
  • While BRVO is more common, both BRVO and CRVO necessitate tailored treatment approaches.