Why the study?
Evidence regarding surgical versus conservative management of Libman-Sacks endocarditis remains limited.
Does conservative management with anticoagulation (enoxaparin bridged to warfarin), aspirin, and hydroxychloroquine resolve large mitral valve vegetations and prevent the need for surgery in a young patient with Libman-Sacks endocarditis secondary to SLE and APS?
Case Report (n=1)
No
Does conservative management with anticoagulation (enoxaparin bridged to warfarin), aspirin, and hydroxychloroquine resolve large mitral valve vegetations and prevent the need for surgery in a young patient with Libman-Sacks endocarditis secondary to SLE and APS?
This case demonstrates that conservative medical therapy with warfarin, aspirin, and hydroxychloroquine guided by a multidisciplinary endocarditis team can achieve complete resolution of large Libman-Sacks endocarditis mitral vegetations (>1.0 cm) within 4 weeks, avoiding the need for valve replacement surgery.
Answers are grounded in this paper and cite their sources.
May support avoiding surgery via medical therapy in select Libman-Sacks cases; hypothesis-generating and leaves open need for prospective validation.
Background: Libman-Sacks endocarditis is a noninfectious form of endocarditis associated with systemic lupus erythematosus (SLE), antiphospholipid antibody syndrome (APS), and solid malignancies. Case Presentation: A 20-year-old woman with no medical history presented with left-sided weakness and facial drooping. Laboratory tests were unremarkable except for thrombocytopenia and a prolonged activated partial thromboplastin time. Brain magnetic resonance imaging revealed an acute ischemic infarct in the bilateral frontal lobes. A transthoracic echocardiogram (TTE) and subsequent transesophageal echocardiogram (TEE) identified two mitral vegetations with regurgitation: the first located on the posterior leaflet with perforation (1.2 × 1.0 cm) and the second (1.0 × 0.9 cm) situated on the subvalvular apparatus of the anterior leaflet. The patient reported no signs of infection, and multiple blood cultures showed no bacterial growth. A rheumatological panel indicated SLE and APS, which resulted in a diagnosis of Libman-Sacks endocarditis. The patient received treatment with Coumadin and hydroxychloroquine, and a surgical resection of the vegetation was scheduled if the valvular lesions did not resolve within 1 month. However, a follow-up TTE demonstrated near-complete resolution of the masses. Conclusion: A stroke in a young individual should raise suspicion for Libman-Sacks endocarditis. Due to limited evidence regarding surgical versus conservative management, a multidisciplinary approach is recommended. This case illustrates the successful conservative management of two large vegetations.
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Satish et al. (2025) conducted a case report in Libman-Sacks endocarditis associated with systemic lupus erythematosus (SLE) and antiphospholipid antibody syndrome (APS) presenting with acute ischemic stroke (n=1). Conservative medical therapy with warfarin, enoxaparin bridge, hydroxychloroquine, and aspirin was evaluated on Resolution of mitral valve vegetations on follow-up transthoracic echocardiogram at 4 weeks.
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