Antiphospholipid syndrome and recurrent thrombosis in children

Y Berkun1, S Padeh, J Barash

  • 1Safra Children's Hospital, Sheba Medical Center, Tel-Hashomer, Israel.

Arthritis and Rheumatism
|December 2, 2006
PubMed

Insights

Pediatric antiphospholipid syndrome (APS) presents uniquely, with venous thrombosis and stroke common. Anticoagulant therapy after initial events may prevent recurrence in children with APS.

Area of Science:

  • Pediatric Rheumatology
  • Hematology
  • Autoimmune Diseases

Background:

  • Antiphospholipid syndrome (APS) is rare in children, with limited data on its clinical features and outcomes.
  • Understanding pediatric APS is crucial for early diagnosis and management.

Purpose of the Study:

  • To analyze clinical and laboratory manifestations in a pediatric APS cohort.
  • To assess the influence of inherited thrombophilia on outcomes in pediatric APS.

Main Methods:

  • Multicenter retrospective study of pediatric patients with APS without prior autoimmune disease.
  • Review of clinical data, laboratory findings, hereditary thrombophilia, and patient outcomes.

Main Results:

  • The cohort included 28 children (mean age 10.6 years); common initial symptoms were venous thrombosis, stroke, and thrombocytopenia.
  • Long-term follow-up revealed significant central nervous system (57.1%) and hematologic involvement (9%). Systemic lupus erythematosus (SLE) developed in 5 female patients.
  • Hereditary thrombophilia did not predict recurrence, but anticoagulant treatment after the first thrombotic event was associated with fewer recurrences.

Conclusions:

  • Pediatric APS exhibits distinct characteristics compared to adult forms.
  • Systemic lupus erythematosus (SLE) can develop in a notable proportion of girls with pediatric APS.
  • Preventive anticoagulant therapy following the initial thrombotic event appears crucial in managing pediatric APS and preventing recurrences.
Abstract

Related Concept Videos

Disorders of Hemostasis01:24

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.
Anticoagulant Drugs: Low-Molecular-Weight Heparins01:30

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: Introduction01:30

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...
Venous Thrombosis III: Interprofessional Care01:29

Venous Thrombosis III: Interprofessional Care

Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...