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Updated: May 22, 2026

Transcutaneous Microcirculatory Imaging in Preterm Neonates
Published on: December 31, 2015
The preterm infant with thrombosis
1Hematology/Oncology/Stem cell transplant, Children's Memorial Hospital, Northwestern University Feinberg School of Medicine, Chicago, IL 60614, USA. rbhat@childrensmemorial.org
Insights
Sick preterm infants face high risks of thrombosis due to factors like sepsis and genetic conditions. This review covers the causes, diagnosis, and treatment of blood clots in these vulnerable infants.
Area of Science:
- Neonatal Medicine
- Pediatric Hematology
- Thrombosis Research
Background:
- Preterm infants have unique hemostatic balance challenges.
- Thrombotic complications are a significant risk in sick neonates.
- Age-related coagulation differences exist in newborns.
Purpose of the Study:
- To review the epidemiology of thrombosis in preterm infants.
- To discuss the pathophysiology and risk factors for neonatal thrombosis.
- To outline diagnostic and treatment strategies for thrombotic disorders.
Main Methods:
- Literature review of pediatric thrombosis studies.
- Analysis of risk factors including sepsis, asphyxia, and thrombophilia.
- Examination of current anticoagulation practices extrapolated from adult data.
Main Results:
- Sepsis, asphyxia, dehydration, central lines, and thrombophilia are key risk factors.
- Anticoagulation is the primary treatment, often based on adult protocols.
- Diagnosis and management require specialized neonatal expertise.
Conclusions:
- Thrombosis is a critical concern in sick preterm infants.
- Understanding risk factors is essential for prevention and early diagnosis.
- Further research is needed for optimized, age-specific treatment guidelines.
Abstract:
In paediatrics, sick preterm infants are at highest risk of developing thrombotic complications. Haemostasis is in a fine balance in the neonatal period, despite age-related differences in coagulation proteins. However, both inherited and acquired risk factors can disrupt this balance and can lead to thrombosis. Important risk factors are sepsis, asphyxia, dehydration, central venous lines and inherited and acquired thrombophilia. Among various treatment modalities, anticoagulation is primarily used in the management of thrombosis. Different agents, dosages and durations of treatment in this age group are extrapolated from adult data. The article reviews the epidemiology, pathophysiology, risk factors, diagnosis and treatment of thrombotic disorders in preterm infants.
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