Related Experiment Videos
Management of normal pressure hydrocephalus
1Department of Neurosurgery, Case Western Reserve University, University Hospitals of Cleveland, Cleveland, Ohio 44106, USA. megverrees@yahoo.com
American Family Physician
|October 1, 2004
Summary
Normal pressure hydrocephalus (NPH) presents with gait instability, urinary incontinence, and dementia. While often treatable with ventriculoperitoneal shunting, its effectiveness lacks definitive proof from randomized controlled trials.
Area of Science:
- Neurology
- Neurosurgery
Background:
- Normal pressure hydrocephalus (NPH) is characterized by a clinical triad of gait instability, urinary incontinence, and dementia.
- NPH accounts for a small percentage of dementia cases but is often treatable.
- Accurate diagnosis relies on recognizing the clinical triad and radiographic evidence.
Purpose of the Study:
- To review the diagnostic criteria and treatment options for NPH.
- To highlight the importance of identifying potential responders to surgical intervention.
- To address the lack of definitive evidence for cerebrospinal fluid diversion effectiveness.
Main Methods:
- Review of existing literature on NPH diagnosis and treatment.
- Analysis of typical radiographic findings such as ventricular dilation on MRI or CT scans.
- Discussion of the pathophysiology involving cerebrospinal fluid dynamics and ventricular enlargement.
Main Results:
- NPH diagnosis is suggested by ventricular dilation with preserved brain tissue on imaging.
- Pathophysiology involves impaired cerebrospinal fluid absorption leading to ventricular encroachment on brain tissue.
- Ventriculoperitoneal shunting is a common intervention to reduce excess ventricular fluid.
Conclusions:
- Early recognition of NPH symptoms and imaging findings is crucial for identifying patients who may benefit from treatment.
- Despite established treatments like shunting, the efficacy of cerebrospinal fluid diversion has not been conclusively proven through randomized controlled trials.