Dataset Information

Severe mitral regurgitation from Libman–Sacks endocarditis treated with MitraClip: a case report

ABSTRACT: Abstract

Background

Systemic lupus erythematosus (SLE) valvulopathy can manifest as a spectrum of pathologies and treatment of severe valvular dysfunction thus far has been surgical. However, surgery in patients with SLE is frequently associated with high morbidity and mortality due to the presence of significant co-morbidities.

Case summary

We report the case of a 41-year-old woman with SLE and anti-phospholipid syndrome with extensive co-morbidities including lupus nephritis, pancytopaenia, cerebrovascular accident, and severe airway obstruction from ipsilateral lung collapse and bronchiectasis. She had severe mitral regurgitation (MR) from Libman–Sacks endocarditis and in recent months developed heart failure with progressive exertional dyspnoea from New York Heart Association (NYHA) functional Class from New York Heart Association (NYHA) functional class II to III. In addition, there was progressive left ventricular dilatation and reduction in left ventricular ejection fraction. In view of the high surgical risk, she underwent transcatheter edge-to-edge repair (TEER) of the mitral valve with the MitraClip system. At 1-month follow-up, she was back to NYHA functional Class II with mild MR.

Discussion

Our case demonstrates that in select patient with suitable anatomy, TEER is a potential treatment option for severe MR from SLE valvulopathy.

SUBMITTER: Ningyan W

PROVIDER: S-EPMC8517867 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:ObjectivesThe aim of this study was to determine whether Libman-Sacks endocarditis is a pathogenic factor for cerebrovascular disease (CVD) in systemic lupus erythematosus (SLE).BackgroundA cardioembolic pathogenesis of SLE CVD manifested as: 1) neuropsychiatric systemic lupus erythematosus (NPSLE), including stroke and transient ischemic attacks (TIA); 2) neurocognitive dysfunction; and 3) magnetic resonance imaging of focal brain lesions has not been established.MethodsA 6-year study of 30 patients with acute NPSLE (27 women, 38 ± 12 years of age), 46 age- and sex-matched SLE controls without NPSLE (42 women, 36 ± 12 years of age), and 26 age- and sex-matched healthy controls (22 women, 34 ± 11 years of age) who underwent clinical and laboratory evaluations, transesophageal echocardiography, carotid duplex ultrasound, transcranial Doppler ultrasound, neurocognitive testing, and brain magnetic resonance imaging/magnetic resonance angiography. Patients with NPSLE were re-evaluated after 4.5 months of therapy. All patients were followed clinically for a median of 52 months.ResultsLibman-Sacks vegetations (87%), cerebromicroembolism (27% with 2.5 times more events per hour), neurocognitive dysfunction (60%), and cerebral infarcts (47%) were more common in NPSLE than in SLE (28%, 20%, 33%, and 0%) and healthy controls (8%, 0%, 4%, and 0%, respectively) (all p ≤ 0.009). Patients with vegetations had 3 times more cerebromicroemboli per hour, lower cerebral blood flow, more strokes/TIA and overall NPSLE events, neurocognitive dysfunction, cerebral infarcts, and brain lesion load than those without (all p ≤ 0.01). Libman-Sacks vegetations were independent risk factors of NPSLE (odds ratio [OR]: 13.4; p < 0.001), neurocognitive dysfunction (OR: 8.0; p = 0.01), brain lesions (OR: 5.6; p = 0.004), and all 3 outcomes combined (OR: 7.5; p < 0.001). Follow-up re-evaluations in 18 of 23 (78%) surviving patients with NPSLE demonstrated improvement of vegetations, microembolism, brain perfusion, neurocognitive dysfunction, and lesion load (all p ≤ 0.04). Finally, patients with vegetations had reduced event-free survival time to stroke/TIA, cognitive disability, or death (p = 0.007).ConclusionsThe presence of Libman-Sacks endocarditis in patients with SLE was associated with a higher risk for embolic CVD. This suggests that Libman-Sacks endocarditis may be a source of cerebral emboli.