PMID: 7513930Mar 1, 1994Paper

Brain abscess in patients with cyanotic heart defects

Zeitschrift für Kardiologie
C PiperB E Strauer

Abstract

As a result of hypoxia following right-to-left shunts, cerebral bacterial spreading and an altered blood-brain-barrier permeability, brain abscesses (BA) are typical complications in patients with cyanotic congenital heart disease. In 483 prospectively followed patients the incidence of BA was 0.45%/year. It was higher (0.57%/year) for patients with tetralogy of Fallot where the cumulative risk within the first two decades of life was 12.1 +/- 1.7%. The risk of BA complicating cyanotic heart disease is inconstant and continuously increasing up to approximately age 12 (instantaneous risk at that time: 1.75 +/- 0.12%), decreasing thereafter. With respect to etiology, infectious endocarditis, infections per continuitatem, bacterial meningitis, bacterial lung diseases with intrapulmonary shunts, and thromboembolic complications of systemic infections have to be differentiated. The stepwise diagnosis includes CCT to demonstrate the typical contrast enhancement and a lumbar puncture which shows granulocytic pleocytosis. If the cerebral spinal fluid fails to demonstrate the typical findings, cerebral angiography may be necessary to exclude a malignant vascularized neoplasma. In cases of doubt, stereotactic cerebral biopsy should be pe...Continue Reading

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