Major left ventricular thrombi in an adolescent with COVID-19-associated inflammatory syndrome.
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ABSTRACT:
SUBMITTER: Materna O
PROVIDER: S-EPMC7989523 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:A 17-year-old adolescent with severe multisystem inflammatory syndrome in children (MIS-C) associated with coronavirus disease-2019 developed reduced left ventricular function and left ventricular thrombus. With treatment, his condition improved and the thrombus was dissolved. This case illustrates the risk of severe intra-cardiac thrombotic complications in patients with MIS-C.
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Project description:ABSTRACT A 3-year-old girl presenting with fever, mucocutaneous inflammation, and acute gastrointestinal symptoms met criteria for the multisystem inflammatory syndrome in children associated with COVID-19 (MIS-C). Echocardiography showed severely decreased left ventricular (LV) function with an apical mass. After treatment with intravenous (IV) immunoglobulin, IV steroids, anakinra, milrinone, and systemic anticoagulation, her LV function rapidly improved and the mass became increasingly mobile. Given the risk of systemic embolization, the mass was excised through left ventriculotomy and pathology confirmed a thrombus.
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Project description:The majority of acute coronary syndromes are caused by coronary artery thrombotic occlusions secondary to atherosclerotic plaque erosion or rupture. Coronary embolism is an important yet forgotten underlying cause of acute coronary syndrome. We present a case of a young patient who presented with ST elevation myocardial infarction suspected to be secondary to coronary embolization originating from a left ventricular thrombus.
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Project description:The major clinical features of myocardial noncompaction are heart failure, arrhythmias, and thromboembolic events. Prominent myocardial trabeculae and deep recesses characteristic of myocardial noncompaction can cause stagnant blood flow and the formation of left ventricular clots. We describe the case of a 62-year-old woman who presented with symptoms of heart failure secondary to left ventricular noncompaction. Transthoracic and transesophageal echocardiography revealed multiple left ventricular thrombi, which had formed despite the patient's long-term therapy with aspirin. Anticoagulative therapy should be considered for patients with myocardial noncompaction who also have risk factors for thromboembolism, such as atrial fibrillation, a history of systemic embolism, or severe left ventricular systolic dysfunction. However, chronic antiplatelet therapy may not sufficiently prevent clot formation in patients who have myocardial noncompaction and severe left ventricular systolic dysfunction.
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Project description:BackgroundCardiovascular and thromboembolic complications have been reported in patients with Coronavirus disease-2019 (COVID-19)-related severe respiratory distress syndrome. Although myocarditis associated with COVID-19 pneumonia has been described, evidence of left ventricular (LV) mural thrombi with other multisystem events has not been reported.Case summaryWe report two cases with severe COVID-19 pneumonia and myocardial injury with large LV thrombi and other multisystem thrombotic events. The first patient represents an unusual case of large LV apical thrombus without concordant regional wall motion abnormality and mildly reduced LV function. A subsequent inferior ST-elevation myocardial infarction (STEMI) was likely related to either an embolic event or in situ coronary thrombosis. We could not ascertain whether the acute right ventricular dysfunction was due to in situ pulmonary thrombosis or inferior STEMI. The catastrophic cerebrovascular accident was likely an embolic phenomenon. Similarly, the second patient demonstrated multiple large pedunculated thrombi occupying one-third of the LV cavity with moderately reduced LV function. A segmental pulmonary embolism was diagnosed on computed tomography chest, confirming multiple territories of in situ thrombosis.DiscussionCOVID-19-related inflammatory cytokine release has been linked to activation of coagulation pathways. Marked elevation of ferritin and C-reactive protein levels in both patients were consistent with evidence of a hyperinflammatory state with 'cytokine storm'. Furthermore, the finding of elevated D-dimer levels lends support to the altered coagulation cascade that plausibly explains the multisystem thrombosis observed in our patients. The direct viral endothelial involvement and subsequent endothelial dysfunction may play an important role in the development of thrombosis in different vascular beds, as seen in our patients.
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Project description:The length of anticoagulation for thrombotic events related to COVID-19 is unknown. We present a patient with COVID-19 complicated by a thrombotic anterior STEMI and multiple left ventricular (LV) thrombi that resolved after 8 weeks of anticoagulation. We suggest a shorter length of anticoagulation with COVID-19-related LV thrombus.
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Project description:Frequent clinical presentations have been reported in patients with Coronavirus disease 2019 (COVID-19). It may be associated with multi-organ and cardiovascular involvements such as myocarditis and clot formation. Hypereosinophilic syndrome (HES) is a rare disease diagnosed with idiopathic eosinophilia and organ involvement. Here, we report a patient with COVID-19 who presented with clot formation and myocarditis. One month after discharge, regarding persistent peripheral/bone marrow hypereosinophilia and clot in echocardiography, fluorescent in situ hybridization (FISH) analysis was done that showed FIP1L1-CHIC2 fusion (PDGFRɑ rearrangement) in 18% of scored cells and PDGFRβ rearrangement in 12% of scored cells, which confirmed HES diagnosis. Clot formation may be a late manifestation of COVID-19 or myocarditis due to COVID-19, or the first manifestation of HES that COVID-19 might provoke in this rare syndrome.
| S-EPMC8220422 | biostudies-literature
Project description:We experienced a case with multiple arterial and venous thromboses associated with COVID-19. During this pandemic, physicians should consider COVID-19 in patients with unexplained thrombosis.
| S-EPMC8657516 | biostudies-literature
Project description:BackgroundCoronavirus Disease-2019 (COVID-19) is associated with cardiovascular injury, but left ventricular (LV) function is largely preserved. We aimed to evaluate for subclinical LV dysfunction in patients with COVID-19 through myocardial strain analysis.MethodsWe performed a single-center retrospective cohort study of all patients hospitalized with COVID-19 who underwent echocardiography. Traditional echocardiographic and global longitudinal strain (GLS) values were compared with prior and subsequent echocardiograms.ResultsAmong 96 patients hospitalized with COVID-19 with complete echocardiograms, 67 (70%) had adequate image quality for strain analysis. The cohort was predominantly male (63%) and 18% had prevalent cardiovascular disease (CVD). Echocardiograms were largely normal with median [IQR] LV ejection fraction (EF) 62% [56%, 68%]. However, median GLS was abnormal in 91% (-13.5% [-15.0%, -10.8%]). When stratified by CVD, both groups had abnormal GLS, but presence of CVD was associated with worse median GLS (-11.6% [-13.4%, -7.2%] vs -13.9% [-15.0%, -11.3%], p = 0.03). There was no difference in EF or GLS when stratified by symptoms or need for intensive care. Compared to pre-COVID-19 echocardiograms, EF was unchanged, but median GLS was significantly worse (-15% [-16%, -14%] vs -12% [-14%, -10%], p = 0.003). Serial echocardiograms showed no significant changes in GLS or EF overall, however patients who died had stable or worsening GLS, while those who survived to discharge home showed improved GLS.ConclusionsPatients with COVID-19 had evidence of subclinical cardiac dysfunction manifested by reduced GLS despite preserved EF. These findings were observed regardless of history of CVD, presence of COVID-19 symptoms, or severity of illness.
| S-EPMC7988446 | biostudies-literature