1 The Sections of Pediatric Neurology, Surgery, and Pediatrics, the Mayo Clinic, Mayo Foundation, and Mayo Graduate School of Medicine (University of Minnesota), Rochester, Minnesota
Two cases of severe neurologic symptoms after a Blalock-Taussig anastomosis are presented in detail. The histories of 116 patients with cyanotic congenital heart disease who had such an anastomotic operation at the Mayo Clinic were reviewed. There was a low incidence (less than 1%) of postoperative neurologic complications in patients without evidence of focal dysfunction of the central nervous system prior to operation. The review suggested an increased incidence of complications in those patients with a cerebrovascular abnormality before surgery. It is likely that these complications are related to alterations in the vertebrobasilar arterial system associated with this procedure.
Submitted on March 4, 1966
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