Measurement of cerebrospinal fluid flow does not reliably predict which patients with idiopathic normal-pressure hydrocephalus (NPH) will improve after undergoing ventriculoperitoneal shunting (VPS).
Flow measurement does not reliably predict the magnitude of the improvement either, say researchers from the Mayo Clinic in Rochester, Minnesota, United States.
They studied 49 clinic patients who underwent magnetic resonance quantification of aqueductal cerebrospinal fluid flow, followed by VPS for presumed idiopathic NPH, between January 1995 and June 2000.
Participants included 14 men and 35 women with a mean age was 72.9 years. The age range was 54 to 88 years.
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