Related Experiment Video
Updated: Jun 7, 2026

09:46
Megakaryocyte Differentiation and Platelet Formation from Human Cord Blood-derived CD34+ Cells
Published on: December 27, 2017
Fetal and neonatal thrombocytopenia
C Kaplan1, M Dehan, G Tchernia
1INTS Service d'Immunologie Leuco-Plaquettaire, Paris.
Platelets
|November 4, 2010
Summary
Fetal and neonatal thrombocytopenia (NNT) is a serious condition affecting infants, often caused by infection or immune issues. Early diagnosis and management are crucial to prevent bleeding, neurological damage, and improve outcomes.
Area of Science:
- Neonatal Medicine
- Hematology
- Obstetrics
Background:
- Fetal and neonatal thrombocytopenia (NNT) affects 25-40% of infants in intensive care units.
- NNT can lead to severe bleeding, death, or neurological sequelae.
- It is a significant indicator even without overt bleeding.
Purpose of the Study:
- To review the causes, diagnosis, and management of fetal and neonatal thrombocytopenia.
- To highlight the importance of identifying the underlying mechanism of NNT for effective treatment.
- To emphasize strategies for preventing fetal and neonatal complications.
Main Methods:
- Review of existing literature on NNT.
- Discussion of diagnostic tools, including percutaneous umbilical blood sampling.
- Analysis of management strategies during pregnancy and postnatally.
Main Results:
- Common causes include bacterial/viral infections and immune thrombocytopenia (maternal auto/alloantibodies).
- Percutaneous umbilical blood sampling aids in assessing fetal platelet count and treatment efficacy.
- Other potential causes like DIC, local consumption, and hypoxia require consideration.
Conclusions:
- Accurate diagnosis of NNT's mechanism is critical for tailored management of mother, newborn, and future pregnancies.
- Preventing fetal CNS bleeding and birth trauma is a key management goal during pregnancy.
- Understanding NNT's etiology guides interventions to improve infant survival and neurological outcomes.
Related Concept Videos
Teratogenicity
The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
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.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Fetal Circulation
Fetal circulation is a unique system that facilitates the exchange of gases, nutrients, and waste products between the developing fetus and the mother. This intricate process takes place through a special organ called the placenta.
Two umbilical arteries transport blood from the fetus to the placenta. At the placenta, the blood absorbs oxygen and nutrients while simultaneously eliminating waste products. This oxygen-enriched and nutrient-rich blood then returns to the fetus through one...
Two umbilical arteries transport blood from the fetus to the placenta. At the placenta, the blood absorbs oxygen and nutrients while simultaneously eliminating waste products. This oxygen-enriched and nutrient-rich blood then returns to the fetus through one...
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: 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...
Development of Blood Vessels
The development of the vascular system in a fetus is a complex and intricate process that begins as early as 15 to 16 days post-conception. This process starts outside the embryo, specifically in the mesoderm of the yolk sac, chorion, and connecting stalk. Approximately two days later, the formation of blood vessels occurs within the embryo itself.
The initial formation of this system is facilitated by the small amount of yolk present in the ovum and yolk sac. Blood vessels originate from...
The initial formation of this system is facilitated by the small amount of yolk present in the ovum and yolk sac. Blood vessels originate from...
