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Related Concept Videos

Disorders of Hemostasis01:24

Disorders of Hemostasis

Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Inflammatory Bowel Disease I: Ulcerative Colitis01:27

Inflammatory Bowel Disease I: Ulcerative Colitis

Introduction
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
Anticoagulant Drugs: Low-Molecular-Weight Heparins01:30

Anticoagulant Drugs: Low-Molecular-Weight Heparins

Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
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...
Inflammatory Bowel Disease II: Ulcerative Colitis01:20

Inflammatory Bowel Disease II: Ulcerative Colitis

Ulcerative colitis is a chronic inflammatory disorder of the colon characterized by continuous mucosal inflammation that typically begins in the rectum and extends proximally in a uniform pattern. Its pathogenesis involves a complex interplay of genetic predisposition, immune dysregulation, and environmental influences. These factors converge to impair the colon’s epithelial defenses and promote an exaggerated inflammatory response against luminal contents.Breakdown of the Mucosal BarrierA...
Anticoagulant Drugs: Vitamin K Antagonists and Direct Oral Anticoagulants01:18

Anticoagulant Drugs: Vitamin K Antagonists and Direct Oral Anticoagulants

Oral anticoagulants are vital tools in preventing and treating blood clotting disorders. This diverse class of medications can be categorized as vitamin K antagonists, exemplified by warfarin, and direct thrombin inhibitors (DTIs), such as dabigatran, as well as factor Xa inhibitors, including rivaroxaban.
Warfarin, a prominent vitamin K antagonist family member, exerts its effect by inhibiting the enzyme VKORC1 (vitamin K epoxide reductase complex 1). By hindering this enzyme, warfarin...

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Related Experiment Video

Updated: May 11, 2026

Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery
06:46

Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery

Published on: September 27, 2024

Colorectal cancer and hypercoagulability.

Kazushige Kawai1, Toshiaki Watanabe

  • 1Department of Surgical Oncology, Faculty of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan, kz-kawai@mvd.biglobe.ne.jp.

Surgery Today
|May 15, 2013
PubMed
Summary

Colorectal cancer is linked to a hypercoagulable state, increasing risks of blood clots and poor prognosis. Understanding coagulation disorders is key for managing cancer patients and improving outcomes.

Area of Science:

  • Oncology
  • Hematology
  • Cancer Research

Background:

  • The link between cancer and coagulation disorders, known as Trousseau's syndrome, has been recognized since 1865.
  • Colorectal cancer (CRC) is frequently associated with a prothrombotic state, impacting patient outcomes.
  • Hypercoagulability in cancer involves complex interactions between the tumor and the hemostatic system.

Purpose of the Study:

  • To review the hypercoagulable state in colorectal cancer.
  • To examine the incidence, risk factors, and prevention of thromboembolic events in cancer patients.
  • To explore the association between coagulation abnormalities and cancer progression, and the role of factors like platelets and tissue factors.

Main Methods:

  • Literature review of cancer-associated coagulation disorders.

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Deficient Pms2, ERCC1, Ku86, CcOI in Field Defects During Progression to Colon Cancer
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Deficient Pms2, ERCC1, Ku86, CcOI in Field Defects During Progression to Colon Cancer

Published on: July 28, 2010

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Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery
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Competing-Risk Nomogram for Predicting Cancer-Specific Survival in Multiple Primary Colorectal Cancer Patients after Surgery

Published on: September 27, 2024

Deficient Pms2, ERCC1, Ku86, CcOI in Field Defects During Progression to Colon Cancer
28:15

Deficient Pms2, ERCC1, Ku86, CcOI in Field Defects During Progression to Colon Cancer

Published on: July 28, 2010

  • Analysis of clinical data on thromboembolic conditions in cancer.
  • Examination of experimental studies on coagulation factors in cancer progression.

    • Main Results:

    • Cancer patients, particularly those with colorectal cancer, exhibit increased risk for venous thromboembolism and arterial thrombosis.
    • Elevated markers like thrombocytosis, hyperfibrinogenemia, and D-dimer are associated with advanced cancer and poorer prognosis.
    • Platelets and tissue factors play crucial roles in mediating the prothrombotic state and cancer progression.

    Conclusions:

    • Hypercoagulable conditions are a significant clinical concern in colorectal cancer, affecting prognosis and treatment.
    • Preventive strategies for thromboembolic events are essential in cancer care.
    • Further research into coagulation mechanisms can reveal novel therapeutic targets for cancer treatment.