Document Detail

A knot in the catheter--an unusual cause of ventriculo-peritoneal shunt blockage.
MedLine Citation:
PMID:  15340821     Owner:  NLM     Status:  MEDLINE    
A 25-year-old woman, who was 25 weeks pregnant, underwent insertion of a VP shunt for hydrocephalus, secondary to a bithalamic glioma. Two months later, she represented with symptoms of raised intracranial pressure and MR scan revealed increased ventricular size. On exploration of the shunt, manometry with saline confirmed blockage of the catheter distal to the valve. On re-opening the abdominal wound, the peritoneal catheter was found to be knotted, 2 cm from the end. This segment of the catheter was replaced, with resolution of symptoms, post-operatively. The present case illustrates that a knot in the peritoneal catheter is an extremely rare cause of shunt malfunction. Possible mechanisms underlying it are discussed.
I Chopra; K Gnanalingham; D Pal; D Peterson
Publication Detail:
Type:  Case Reports; Journal Article     Date:  2004-06-28
Journal Detail:
Title:  Acta neurochirurgica     Volume:  146     ISSN:  0001-6268     ISO Abbreviation:  Acta Neurochir (Wien)     Publication Date:  2004 Sep 
Date Detail:
Created Date:  2004-09-01     Completed Date:  2004-12-22     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0151000     Medline TA:  Acta Neurochir (Wien)     Country:  Austria    
Other Details:
Languages:  eng     Pagination:  1055-6; discussion 1056-7     Citation Subset:  IM    
Department of Neurosurgery, Charing Cross Hospital, London, UK.
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MeSH Terms
Brain Neoplasms / complications
Equipment Failure
Glioma / complications
Hydrocephalus / etiology,  therapy*
Pregnancy Complications, Neoplastic
Thalamus / pathology
Ventriculoperitoneal Shunt / adverse effects*,  instrumentation*

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