Related Experiment Video
Updated: Jul 11, 2026

Transient Middle Cerebral Artery Occlusion Model of Neonatal Stroke in P10 Rats
Published on: April 21, 2017
Prothrombotic risk factors in the evaluation and management of perinatal stroke
Eric F Grabowski1, Ferdinando S Buonanno, Kalpathy Krishnamoorthy
1Department of Pediatrics (Hematology/Oncology), Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA. Grabowski.Eric@MGH.Harvard.edu
Insights
Plasma-phase risk factors like factor V Leiden are key in perinatal stroke pathogenesis for children. Anticoagulation may benefit a small percentage of children to prevent recurrent strokes.
Area of Science:
- Pediatric Neurology
- Hematology
- Genetics
Background:
- Perinatal stroke pathogenesis was traditionally attributed to non-hematologic maternal and perinatal factors.
- Emerging evidence highlights the role of plasma-phase risk factors in pediatric stroke.
Purpose of the Study:
- To investigate the role of plasma-phase risk factors in the pathogenesis of perinatal stroke in children.
- To evaluate the risk of stroke recurrence and the potential benefit of anticoagulation therapy.
Main Methods:
- Review of clinical studies and follow-up data on children with perinatal stroke.
- Analysis of plasma-phase risk factors including factor V Leiden, elevated lipoprotein (a), and MTHFR mutations.
- Assessment of stroke recurrence rates and association with identified risk factors.
Main Results:
- Plasma-phase risk factors are implicated in the pathogenesis of perinatal stroke.
- The overall risk of stroke recurrence is low (approximately 2%).
- Recurrent strokes are associated with the presence of plasma-phase risk factors in affected children.
Conclusions:
- A subset of children with perinatal stroke may benefit from anticoagulation to prevent recurrence and other thrombotic events.
- Management of maternal systemic disorders is crucial for subsequent pregnancies.
- Identifying plasma-phase risk factors is important for personalized treatment strategies in pediatric stroke.
Abstract:
The ischemia in children affected by perinatal stroke has long been thought to be driven by nonhematologic maternal and perinatal events. New information from clinical studies, however, tells us that plasma-phase risk factors, such as factor V Leiden, elevated lipoprotein (a), and mutations in MTHFR, may be important in the pathogenesis of perinatal stroke, if not always in the risk of recurrence. With regard to stroke recurrence, this risk is only about 2% according to the largest follow-up study to date, and certainly less than 5%. Nonetheless, when strokes do recur, they tend to be associated with the presence of plasma-phase risk factors in the affected child, suggesting that a small percentage of children with a first perinatal stroke may benefit from anticoagulation therapy, both to prevent stroke recurrence as well as occurence of a second, non-CNS thrombotic event. Counselling of parents with regard to subsequent pregnancies should always include medical management of systemic maternal disorders, such as diabetes, persistently elevated antiphospholipid antibodies, and inherited maternal hypercoagulability states.
Related Concept Videos
Ischemic Stroke l: Introduction
Venous Thrombosis III: Interprofessional Care
Hemorrhagic Stroke l: Introduction
Venous Thrombosis IV: Nursing Management
Ischemic Stroke ll: Pathophysiology
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care
