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Infective endocarditis presenting as diffuse alveolar hemorrhage: A case report.

ABSTRACT: An 80-year-old man was admitted to the hospital because of fever, bloody sputum and exertional dyspnea of 3 days. Laboratory tests showed anemia and increase of the C-reactive protein level. A chest computed tomography scan revealed diffuse bilateral ground-glass opacities. Bronchoalveolar lavage confirmed the clinical diagnosis of diffuse alveolar hemorrhage (DAH). After methylprednisolone pulse therapy, Enterococcus faecalis was detected in the blood cultures. A diagnosis of infective endocarditis was made according to the Modified Duke's criteria. The causes of DAH are certainly diverse; however, we should consider infective endocarditis as one of the etiologies of DAH.

SUBMITTER: Morita M

PROVIDER: S-EPMC6812192 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Infective endocarditis presenting as diffuse alveolar hemorrhage: A case report.

Morita Mitsunori M Tomioka Hiromi H

Respiratory medicine case reports 20190909

An 80-year-old man was admitted to the hospital because of fever, bloody sputum and exertional dyspnea of 3 days. Laboratory tests showed anemia and increase of the C-reactive protein level. A chest computed tomography scan revealed diffuse bilateral ground-glass opacities. Bronchoalveolar lavage confirmed the clinical diagnosis of diffuse alveolar hemorrhage (DAH). After methylprednisolone pulse therapy, <i>Enterococcus faecalis</i> was detected in the blood cultures. A diagnosis of infective e ...[more]

PMID: 31667068

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Project description:A 26 year old female presented for recurrent blood tinged sputum during the previous year with development of frank hemoptysis three days prior to admission. Diffuse alveolar hemorrhage (DAH) was confirmed with serial lavages. The patient had no history of autoimmune disease, vascular thrombosis or pregnancy morbidity including miscarriages or pre-eclampsia. High dose steroids were initiated along with noninvasive ventilatory support. Transthoracic echocardiogram showed severe mitral regurgitation and a vegetation on the mitral valve; transesophageal echocardiogram determined the lesion highly suggestive of Libman-Sachs endocarditis. Blood cultures were negative. Immunological evaluation established the patient was negative for: anti-nuclear antibody, anti-double-stranded DNA antibody, rheumatoid factor, anti-smith antibody, anti-cyclic citrullinated peptide, anti-neutrophil cytoplasmic antibodies, anti-glomerular basement membrane antibodies. Further evaluation revealed elevated levels of anticardiolipin immunoglobulin G and anti-beta 2 glycoprotein immunoglobulin G which continued to increase for months after hospitalization. She was diagnosed with DAH secondary to acute mitral regurgitation caused by Libman-Sachs endocarditis in the presence of primary antiphospholipid antibody syndrome. DAH is an important disease to understand given its high mortality rate. Few case reports relating the presence of Libman-Sachs endocarditis induced by antiphospholipid antibody syndrome leading to DAH have been published. Unique here is the absence of rheumatologic markers thus supporting a diagnosis of primary antiphospholipid antibody syndrome (APS). This patient had no findings associated with rheumatological disorders potentially making this diagnosis easily overlooked. This case further illustrates the importance of evaluating patients with APS presenting with DAH as there are multiple etiologies that lead to this pathology thus different treatment avenues are to be considered during management.

Project description:Diffuse alveolar hemorrhage (DAH) can be caused by various conditions, categorized as autoimmune and non-autoimmune. Immunofactor-mediated vasculitis, such as Wegener granulomatosis, microscopic polyangiitis, Goodpasture syndrome, connective tissue disorders, and antiphospholipid antibody syndrome, are common autoimmune causes. Non-autoimmune factors include infectious or toxic exposures and neoplastic conditions. The diagnosis of DAH, resulting from excessive catecholamine release from an adrenal pheochromocytoma or extra-adrenal paraganglioma, can present diagnostic challenges and necessitate prompt treatment. In this report, we present a case of pheochromocytoma that manifested as an adrenal incidentaloma (diagnosed during the management of sudden-onset DAH after cholecystectomy). Case report: A 39-year-old female patient with adrenal incidentaloma developed DAH following a cholecystectomy procedure, presenting with sudden-onset hemoptysis and dyspnea. Administration of glucocorticoids, known to precipitate pheochromocytoma crisis (PCC), was required before the cause was determined. Intubation and mechanical ventilation were necessary due to persistent hypoxemic respiratory failure and acute respiratory distress syndrome (ARDS). The patient in this case experienced two epidoses of PCC while she was on mechanical ventilation. Subsequent work-up revealed a 26 × 25 mm left adrenal adenoma with hormonal confirmation of catecholamine hypersecretion. A laparoscopic adrenalectomy was done eight months later to excise the left adrenal gland. Subsequent examination of the tissue revealed pheochromocytoma, thereby validating the initial diagnosis. Conclusion: Adrenal incidentalomas may be pheochromocytomas (adrenal incidentalomas can manifest as pheochromocytomas), even without adrenergic symptoms. It is recommended that adrenal incidentalomas undergo evaluation for pheochromocytoma before undergoing invasive surgery or receiving corticosteroid treatment. When considering potential causes of DAH without further elucidation, including a pheochromocytoma or paraganglioma (PPGLs) in the differential diagnosis is important.

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Infective endocarditis presenting as diffuse alveolar hemorrhage: A case report.

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Infective endocarditis presenting as diffuse alveolar hemorrhage: A case report.

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