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A Definition of Its Progression and Relationship to Intellectual Function, Diagnosis, and Complications

David B. Shurtleff, MD; Eldon L. Foltz, MD; John D. Loeser, MD

Am J Dis Child. 1973;125(5):688-693.

Abstract
Successfully treated hydrocephalics were classified by preoperative brain dimensions, cause, prematurity, intracranial hemorrhage, and infection. The average intelligence quotient (IQ, 108) of those with uncomplicated congenital hydrocephalus is significantly higher than the group with other major central nervous system (CNS) malformations. Hydrocephalus and intracranial hemorrhage, CNS infection, or prematurity are also associated with more mental retardation.

Maximum occipitofrontal circumference (OFC) of the skull and ventriculoskull distance (VSD) generate an approximation of "brain mass." Children with less than 60% of normal brain mass for the age prior to operative treatment of hydrocephalus were found to be significantly retarded.

Author Affiliations
Seattle

From the Department of Pediatrics (Dr. Shurtleff) and Department of Neurological Surgery (Drs. Foltz and Loeser), University of Washington School of Medicine, Seattle. Dr. Foltz is now with the Division of Neurological Surgery, University of California, Irvine, Calif.

Footnotes
Received for publication Sept 26, 1972; accepted Jan 25, 1973.

Reprint requests to Department of Pediatrics, University of Washington School of Medicine, 1959 Pacific Ave NE, Seattle, WA 98195 (Dr. Shurtleff).

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