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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.
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,...
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...
Hemodialysis II: Procedure and Complications01:24

Hemodialysis II: Procedure and Complications

DialyzersA hemodialysis (HD) dialyzer is a plastic cartridge containing thousands of parallel hollow fibers, which serve as semipermeable membranes. These fibers are typically made from cellulose-based or other synthetic materials. During HD, blood is pumped into the top of the cartridge and distributed among these fibers. Simultaneously, dialysis fluid, known as dialysate, is introduced into the bottom of the cartridge, bathing the outside of the fibers. Across the semipermeable membrane,...
Esophageal Varices-II: Clinical Features and Management01:28

Esophageal Varices-II: Clinical Features and Management

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 abuse, or...
Hemorrhagic Stroke ll: Pathophysiology01:29

Hemorrhagic Stroke ll: Pathophysiology

A hemorrhagic stroke develops when a cerebral blood vessel ruptures, allowing blood to escape into the surrounding brain tissue, as in intracerebral hemorrhage (ICH), or into the subarachnoid space, as in subarachnoid hemorrhage (SAH). Because the skull is a rigid compartment, the sudden presence of extravascular blood rapidly increases intracranial pressure and compresses adjacent neural structures, leading to immediate tissue injury and impaired cerebral perfusion.Mass Effect and Primary...

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Utilizing Percutaneous Ventricular Assist Devices in Acute Myocardial Infarction Complicated by Cardiogenic Shock
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Bleeding complications in patients with hematologic malignancies.

Massimo Franchini1, Francesco Frattini, Silvia Crestani

  • 1Department of Transfusion Medicine and Hematology, Carlo Poma Hospital, Mantova, Italy. massimo.franchini@aopoma.it

Seminars in Thrombosis and Hemostasis
|December 19, 2012
PubMed
Summary

Patients with blood cancers often have hemostasis abnormalities, causing bleeding or clotting issues. Understanding these complex issues is crucial for improving patient outcomes and managing risks effectively.

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Area of Science:

  • Hematology
  • Oncology
  • Hemostasis

Background:

  • Hematologic malignancies frequently cause hemostasis abnormalities.
  • These abnormalities contribute to significant hemorrhagic and thrombotic complications.
  • Managing these hemostasis issues poses a major challenge for hematologists.

Purpose of the Study:

  • To review significant hemostasis changes in hematologic malignancies.
  • To emphasize etiologic factors, pathogenic mechanisms, clinical features, and treatments.
  • To discuss specific issues in acute leukemia and stem cell transplantation.

Main Methods:

  • Literature review of hemostasis abnormalities in hematologic malignancies.
  • Focus on platelet and coagulation disorders.
  • Examination of bleeding in acute leukemia and after hematopoietic stem cell transplantation.

Main Results:

  • Hematologic malignancies induce complex hemostasis alterations.
  • Platelet dysfunction and acquired coagulation defects are common.
  • Bleeding is a significant risk in acute leukemia and stem cell transplant patients.

Conclusions:

  • Effective management of hemostasis abnormalities is vital in hematologic malignancies.
  • Recognizing specific risks in acute leukemia and stem cell transplantation is key.
  • Further research into therapeutic strategies can improve patient survival and reduce morbidity.