Document 398632

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Editorial
between late acquired ISA and long term adverse outcomes
requires further analysis’.
Conflict of interest: none declared.
5.
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doi:10.1093/eurheartj/ehl333
Primary mural endocarditis
Peadar F. McKeown1 *, Patrick M. Donnelly2, and Daniel J. Flannery1
Cardiology Department, Craigavon Area Hospital, 68 Lurgan Road, Portadown, BT63 5QQ, UK and 2Belfast City
Hospital, 51 Lisburn Road, Belfast, BT9 7AB, UK;
1
*Corresponding author. Tel: þ44 2838334444; fax: þ44 2838394802. E-mail address: [email protected]
A 57-year-old male was admitted with a 2-week history of
fever, rigours, and confusion and a single episode of retrosternal chest pain. He had recently undergone a circumcision. Clinical examination revealed a temperature of
38.38C and a balanitis. Urinanalysis revealed haematuria
and proteinuria. He had acute renal failure (urea
24.5 mmol/L, creatinine 341 mmol/L) and an elevated Creactive protein (356 mg/L). Twelve-lead electrocardiograph demonstrated anterolateral T-wave inversion and
troponin T was elevated (0.176 ng/mL), suggesting an
acute coronary syndrome. Ultrasound of renal tracts was
normal. Group B haemolytic Streptococcus was isolated
from both blood cultures and from swabs of his balanitis.
Trans-thoracic and trans-oesophageal echocardiography
demonstrated normal left-ventricular systolic function
and an echo dense irregular mass at the apex of the left
ventricle (Panel A) but no valvular abnormality.
Computed tomography (CT) of brain revealed an infarct
adjacent to the right caudate nucleus (Panel B). A radiolabelled isotope white cell scan demonstrated focal
uptake at the apex of the left ventricle (Panel C). A diagnosis of mural endocarditis with coronary and cerebral
embolization was made. Despite appropriate antibiotic
therapy, a left ventricular apical myomectomy was required because of his continuing clinical deterioration. Surgical excision and pathological examination confirmed this rare occurrence.
Mural endocarditis in the absence of pre-disposing factors is extremely rare. This condition is usually fatal; however, our patient was
fortunate to survive and make a full recovery.
Panel A. Echocardiogram demonstrating apical vegetation. LV, left ventricle; RV, right ventricle.
Panel B. CT scan of brain demonstrating an infarct adjacent to the right caudate nucleus.
Panel C. Radioisotope-labelled white cell scan with focal uptake at the apex of the left ventricle.
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