Related Experiment Video
Updated: May 22, 2025

Microfluidics in Assessing Platelet Function
Published on: November 8, 2024
Association between Platelet Count and Bleeding during Central Line Placement in Critically Ill Children
Alexandra T Lucas1, Walter Dzik2
1Division of Pediatric Critical Care Medicine, Department of Pediatrics, Massachusetts General Hospital for Children, Boston, MA.
Platelet count was not linked to bleeding during central venous line placement in critically ill children. However, platelet transfusions were associated with increased bleeding events, warranting further investigation.
Area of Science:
- Pediatric critical care medicine
- Hematology
- Vascular access procedures
Background:
- Central venous line (CVL) placement is common in critically ill children.
- Procedure-related bleeding is a potential complication during CVL insertion.
- The role of platelet count in predicting bleeding risk during CVL placement requires further elucidation.
Purpose of the Study:
- To investigate the association between pre-procedure platelet count and bleeding during central venous line placement in critically ill pediatric patients.
Main Methods:
- Retrospective cohort study of 363 critically ill children (0-19 years) undergoing bedside CVL placement.
- Data collected on patient demographics, platelet counts, and bleeding events.
- Statistical analysis, including regression, to identify predictors of bleeding.
Main Results:
- Bleeding occurred in 7.2% of patients, predominantly minimal or moderate.
- Lower platelet counts were not significantly associated with increased bleeding risk.
- Platelet transfusion prior to CVL placement was significantly associated with bleeding events.
Conclusions:
- Pre-procedure platelet count was not a significant predictor of bleeding during CVL placement in this cohort.
- Platelet transfusions were associated with a higher incidence of bleeding.
- Further research is recommended to understand the impact of platelet transfusions on procedural bleeding.
More Related Videos
09:38A Microfluidic Flow Chamber Model for Platelet Transfusion and Hemostasis Measures Platelet Deposition and Fibrin Formation in Real-time
Published on: February 14, 2017
10:25Microfluidic Flow Chambers Using Reconstituted Blood to Model Hemostasis and Platelet Transfusion In Vitro
Published on: March 19, 2016
Related Concept Videos
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...
Disorders of Hemostasis
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Structure and Function of Platelets
Platelets are continually replenished, circulating in the bloodstream for 9-12 days before being removed by phagocytes, primarily in the spleen. A microliter of circulating blood contains between 150,000 and 450,000...
Introduction to Hemostasis
The three phases of hemostasis involve many clotting factors present in plasma and several substances released by platelets and injured tissue cells. It is a fast, localized,...
Parentral Nutrition: Centeral and Peripheral Parental Nutrition
PN can be administered through two primary routes:
1. Central Parenteral Nutrition (CPN):
CPN involves delivering a high concentration of nutrients through a large vein. This is typically achieved using a Peripherally Inserted Central Catheter (PICC) or,...