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AIMS Pathological heterogeneity of Aβ deposition in senile plaques (SP) and cerebral amyloid angiopathy (CAA) in Alzheimer's disease (AD) has been long noted. The aim of this study was to classify cases of AD according to their pattern of Aβ deposition, and to seek factors which might predict, or predispose towards, this heterogeneity. METHODS The form,(More)
Surgical repairs for congenital right ventricular outflow tract disease have commonly required multiple procedures because of hemodynamic failures from previous operations. Over the past decade, the percutaneous placement of stented valve prostheses in a failed right ventricular outflow tract conduit to restore acceptable pulmonary valve function has(More)
From September 1987 through May 1988, 86 patients (62 men and 24 women) underwent percutaneous laser-assisted balloon angioplasty, and 2 patients (1 man and 1 woman) underwent laser-assisted balloon angioplasty via cutdowns, in our free-standing catheterization laboratory. The patients' ages ranged from 36 to 81 years. One hundred limbs were treated; each(More)
Patients born with congenital right ventricular outflow tract lesions are faced with invasive procedures to establish hemodynamic and physiological stability. Commonly, multiple subsequent surgical procedures are required due to deterioration of a previous repair. These procedures carry additive risks of mortality and morbidity. Less aggressive procedures(More)
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