World J Clin Cases. 2021 Jun 16;9(17):4348-4356. doi: 10.12998/wjcc.v9.i17.4348.
ABSTRACT
BACKGROUND: Infective endocarditis is more common in hemodialysis patients than in the general population and is sometimes difficult to diagnose. Isolated coronary sinus (CS) vegetation is extremely rare and has a good prognosis, but complicated CS vegetation may have a poorer clinical course. We report a case of CS vegetation accidentally found via echocardiography in a hemodialysis patient with undifferentiated shock. The CS vegetation may have been caused by endocardial denudation due to tricuspid regurgitant jet and subsequent bacteremia.
CASE SUMMARY: A 91-year-old man with dyspnea and hypotension was transferred from a nursing hospital. He was on regular hemodialysis and had a history of severe grade of tricuspid regurgitation. There was no leukocytosis or fever upon admission. Repetitive and sequential blood cultures revealed a bsence of microorganism growth. Chest computed tomography showed lung consolidation and a large pleural effusion. A mobile band-like mass on the CS, suggestive of vegetation, was observed on echocardiography. We diagnosed him with infective endocarditis involving the CS, pneumonia, and septic shock based on echocardiographic, radiographic, and clinical findings. Infusion of broad-spectrum antibiotics, fluid resuscitation, inotropic support, and ventilator care were performed. However, the patient died from uncontrolled infection and septic shock.
CONCLUSION: CS vegetation can be fatal in hemodialysis patients with impaired immune systems, especially when it delays the diagnosis.
PMID:34141800 | PMC:PMC8173426 | DOI:10.12998/wjcc.v9.i17.4348
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