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Related Concept Videos

Venous Thrombosis I: Introduction01:30

Venous Thrombosis I: Introduction

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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...
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Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

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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...
442
Varicose Veins I: Introduction01:26

Varicose Veins I: Introduction

350
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...
350
Venous Thrombosis IV: Nursing Management01:30

Venous Thrombosis IV: Nursing Management

392
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,...
392
Esophageal Varices-I: Introduction01:24

Esophageal Varices-I: Introduction

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Esophageal varices are dilated, tortuous veins which are found mainly in the submucosa of the lower esophagus but which may also appear higher up or extend into the stomach. They develop due to increased pressure in the portal venous system, often as a result of liver cirrhosis. This condition scars and damages the liver, impeding normal blood flow through the portal vein. To compensate, blood seeks alternative pathways, forming fragile new vessels (varices) in the esophagus and stomach. These...
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Esophageal Varices-II: Clinical Features and Management01:28

Esophageal Varices-II: Clinical Features and Management

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Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol...
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Related Experiment Video

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Author Spotlight: Advancing Cancer Associated Thrombosis Research in Rodent Models
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Primary venous and malignancy, is there any relationship?

Luis Cotto Santana, Williams Caceres Perkins

    Boletin De La Asociacion Medica De Puerto Rico
    |June 4, 2015
    PubMed
    Summary

    Deep venous thrombosis (VTE) and pulmonary embolism are early signs of cancer. This study found a higher incidence of VTE in patients later diagnosed with pancreatic cancer, suggesting a potential link for further research.

    Area of Science:

    • Oncology
    • Hematology
    • Epidemiology

    Background:

    • Venous thromboembolism (VTE), including deep venous thrombosis and pulmonary embolism, can be an initial presentation of an undiagnosed malignancy.
    • Screening for cancer in patients with primary VTE has been proposed to detect occult malignancies.

    Purpose of the Study:

    • To investigate the association between prior venous thromboembolism (VTE) and the subsequent diagnosis of various cancers.
    • To identify specific cancer types that may be more frequently preceded by VTE.

    Main Methods:

    • A retrospective record review of 3244 patients diagnosed with specific cancers (lung, prostate, colon, rectum, liver, stomach, esophagus, pancreas, breast, lymphoma, or leukemia) between 2005 and 2010.
    • Analysis of VTE occurrence within the five years preceding the malignancy diagnosis, with exclusion criteria including pregnancy, coagulopathy, or anticoagulation use at diagnosis.

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    Main Results:

    • Of 2858 eligible patients, 22 (8%) had a history of VTE within five years before their cancer diagnosis.
    • Pancreatic cancer showed the highest association with prior VTE (14% of pancreatic cancer patients had a history of VTE).
    • Specific VTE rates varied by cancer type: 7% for pancreatic, 1.1% for rectal, and lower percentages for prostate, colon, liver, and lung cancers. No VTE history was noted for leukemia, stomach, esophagus, or breast cancers.

    Conclusions:

    • While current evidence does not support routine cancer screening in all primary VTE patients, the findings suggest an elevated risk of VTE in individuals who subsequently develop pancreatic cancer.
    • Further research is warranted to establish clear recommendations for cancer screening strategies in patients presenting with VTE.