Related Experiment Video
Updated: Oct 15, 2025

A Uniform Shear Assay for Human Platelet and Cell Surface Receptors via Cone-plate Viscometry
Published on: June 5, 2019
[Thrombotic thrombocytopenic purpura]
Dennis Lund Hansen, Anna Christine Nilsson, Henrik Frederiksen1
1henrik.frederiksen@rsyd.dk.
Thrombotic thrombocytopenic purpura (TTP) diagnosis relies on ADAMTS13 activity tests, but treatment often starts before results are back. Scoring systems aid early TTP management, improving patient outcomes.
Area of Science:
- Hematology
- Internal Medicine
- Clinical Diagnostics
Background:
- Thrombotic thrombocytopenic purpura (TTP) is a critical thrombotic microangiopathy.
- Distinguishing TTP from other conditions necessitates ADAMTS13 enzyme activity measurement.
- Treatment initiation often precedes definitive ADAMTS13 test results.
Purpose of the Study:
- To review current strategies for diagnosing TTP.
- To discuss management approaches for TTP patients.
- To outline follow-up care protocols for TTP.
Main Methods:
- Review of existing literature on TTP diagnosis and management.
- Analysis of scoring systems for predicting severe ADAMTS13 deficiency.
- Discussion of advancements in TTP treatment and monitoring.
Main Results:
- Scoring systems can facilitate prediction of severe ADAMTS13 deficiency.
- Early clinical management is crucial for TTP patients.
- Advances in treatment and monitoring offer optimism for improved outcomes.
Conclusions:
- Accurate diagnosis and timely management are vital for TTP.
- Predictive scoring systems aid in initiating treatment promptly.
- Ongoing research and improved monitoring promise better survival and reduced late effects for TTP patients.
Related Concept Videos
Venous Thrombosis III: Interprofessional Care
Venous Thrombosis I: Introduction
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care
Disorders of Hemostasis
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Formation of the Platelet Plug
As the injured blood vessel contracts, endothelial cells undergo contraction, revealing collagen fibers in the basement membrane and underlying connective tissue. Furthermore, the plasma membrane of endothelial cells becomes adhesive, preparing the site for platelet adhesion. Platelets...
Clot Retraction and Fibrinolysis

