Major Causes Of Stroke In Children With Congenital And Acquired Heart Disease.
Stroke(2016)
摘要
Introduction: Heart disease is the leading cause of stroke in children; however, little is known about the distribution of cardiac conditions associated with stroke. Hypothesis: We assessed the hypothesis that patients requiring cardiac surgery, catheterization, or mechanical support account for the majority of strokes in children with heart disease. Methods: All patients admitted to Lucile Packard Children’s Hospital at Stanford were included. A new diagnosis of stroke was identified using hospital data. Descriptive statistics were used to evaluate the characteristics of the population and tabulate common causes of stroke and stroke sub-types. Results: Between September 1, 2009 and February 1, 2014, a total of 36 patients with congenital or acquired heart disease had a new diagnosis of stroke. The median age was 4.18 years (IQR 0.32 - 10.6 years); 64% were male. Overall, 50% of strokes were arterial ischemic, 17% hemorrhagic and 25% had both ischemic and hemorrhagic components. Transient ischemic attacks accounted for the remaining 8%. Patients on mechanical support accounted for the majority of strokes (33%; ECMO 22%, ventricular assist device 11%) followed by left-sided cardiac catheterization (22%). Single-ventricle palliation procedures (Norwood or Glenn) accounted for 11% and septal defect repair 8%. Associated cardiac conditions included cardiomyopathy (28%), single-ventricle physiology (28%), septal defects (14%), myo/endocarditis (11%), heart transplantation (6%), and left-sided valvular disease (5%). Overall, 47.2% of patients were receiving anticoagulant therapy at the time of their stroke. Among those patients, 32% with arterial ischemic strokes and 60% with hemorrhagic strokes were within goal anticoagulation levels. Conclusions: Mechanical circulatory support, cardiac catheterizations and single-ventricle palliation procedures account for two-thirds of strokes observed in patients with cardiac disease. Many strokes occur in patients receiving anticoagulant therapy in accordance with contemporary anticoagulation guidelines. Re-evaluation of these guidelines and studies to reduce the risk of strokes in vulnerable sub-groups of cardiac patients is warranted.
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abstract wmp99,stroke,congenital,disease
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