Understanding Cardiac Manifestations in Antiphospholipid Syndrome APLS

Cardiac Complications of APLS
APLS can present with various cardiac issues, including:

  • Valvular Abnormalities: Found in 11.6-32% of APLS cases, these abnormalities may range from thickening to regurgitation, necessitating close monitoring through echocardiography.
  • Intracardiac Thrombi: The presence of antiphospholipid antibodies can disrupt the balance between thrombosis and fibrinolysis, promoting intracardiac clot formation, which increases the risk of embolic events.
  • Myocardial Infarction (Heart Attack): Studies suggest that approximately 5-6.9% of APLS patients may experience myocardial infarction, even in the absence of traditional risk factors.
  • Cardiomyopathy: Left ventricular dysfunction has been linked to APLS, with research indicating a correlation between antiphospholipid antibodies and compromised heart function.
  • Pulmonary Hypertension: This condition results from blood clot formations in pulmonary arteries, potentially leading to increased pressure in the heart.

Clinical Insights & Management

  • Early Detection & Diagnosis: Regular cardiac screening, including transthoracic echocardiograms, is recommended for APLS patients, even if they are asymptomatic.
  • Treatment Strategies: Management includes aggressive risk factor control, anticoagulation therapy (warfarin with INR targets between 2.0-4.0), and the potential use of hydroxychloroquine for its cardioprotective effects.
  • Preventive Measures: Lifestyle modifications, folic acid supplementation, and regular monitoring of antiphospholipid antibody levels can help mitigate complications.

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