Shunt Overdrainage Caused by Displacement of the Pressure Control Cam after Pressure Adjustment.
10.13004/kjnt.2016.12.2.163
- Author:
Su Ho KIM
1
;
Yoon Soo LEE
;
Min Seok LEE
;
Sang Jun SUH
;
Jeong Ho LEE
;
Dong Gee KANG
Author Information
1. Department of Neurosurgery, Daegu Fatima Hospital, Daegu, Korea. paulyoonsoolee@hanmail.net
- Publication Type:Case Report
- Keywords:
Cerebrospinal fluid shunts;
Equipment failure;
Hydrocephalus;
Ventriculoperitoneal shunt
- MeSH:
Catheters;
Cerebrospinal Fluid;
Cerebrospinal Fluid Shunts;
Diagnosis;
Equipment Failure;
Female;
Hematoma;
Humans;
Hydrocephalus;
Middle Aged;
Ventriculoperitoneal Shunt
- From:Korean Journal of Neurotrauma
2016;12(2):163-166
- CountryRepublic of Korea
- Language:English
-
Abstract:
Although the Codman-Hakim programmable valve is one of most popular shunt systems used in the clinical practice for the treatment of hydrocephalus, malfunctions related with this system have been also reported which lead to underdrainage or overdrainage of the cerebrospinal fluid. While obstruction of the ventricular catheter by tissue materials or hematoma and catheter disconnection are relatively common, the malfunction of the valve itself is rare. Herein, we report on a rare case of shunt overdrainage caused by displacement of the pressure control cam after pressure adjustment. A 57-year-old female, who underwent a ventriculoperitoneal shunt eight years ago, experienced aggravating symptoms of shunt overdrainage after pressure adjustment. Displacement of the pressure control cam was revealed on the X-ray, and a shunt revision was performed. The purpose of this report is to provide a working knowledge of the valve structure and to enhance the ability to interpret the valve setting on an X-ray for diagnosis of valve malfunction.
