Document Detail

Flow control versus antisiphon valves: late results concerning slit ventricles and slit-ventricle syndrome.
MedLine Citation:
PMID:  14758559     Owner:  NLM     Status:  MEDLINE    
INTRODUCTION: The aims of the study were firstly to investigate the time course of development of slit ventricles (SV) and slit-ventricle syndrome (SVsyndrome) in hydrocephalic patients shunted as infants and secondly to assess the difference in incidence of SV and SVsyndrome in 2 groups of patients - group A with a conventional valve and group B with an anti-siphon valve. PATIENTS AND METHODS: 27 infant patients with hydrocephalus received a ventriculoperitoneal shunt and were followed prospectively with annual clinic visits and at least two CT or MRI scans postoperatively. The scans were assessed for SV, and ventricular and parenchymal surface and cortical mantle thickness were measured. Revisions for shunt malfunction were recorded. RESULTS: SV were more frequent than SVsyndrome and developed within 6.5 months postoperatively in 21 % of patients and 48 % after 6 years. No significant difference in incidence of SV or in the surface and cortical mantle thickness were found between the two groups. Two patients (40 %) with early development of SV developed SVsyndrome, and the relative risk for shunt revision was significantly higher in patients who developed SV early. 48 % of patients did not need emergency shunt revision during the first 9 years. CONCLUSIONS: SV develop over years. The majority of patients with SV remain asymptomatic. No significant difference between the two groups was found concerning SV and SVsyndrome. If SV develop early in the postoperative period, complications are more frequent in the long-term, so elective valve adjustment should be considered.
P Liniger; S Marchand; G L Kaiser
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  European journal of pediatric surgery : official journal of Austrian Association of Pediatric Surgery ... [et al] = Zeitschrift für Kinderchirurgie     Volume:  13 Suppl 1     ISSN:  0939-7248     ISO Abbreviation:  Eur J Pediatr Surg     Publication Date:  2003 Dec 
Date Detail:
Created Date:  2004-02-03     Completed Date:  2004-05-27     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9105263     Medline TA:  Eur J Pediatr Surg     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  S3-6     Citation Subset:  IM    
Department of Paediatric Surgery, University Hospital Inselspital, Berne, Switzerland.
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MeSH Terms
Cerebral Ventricles / pathology
Follow-Up Studies
Hydrocephalus / surgery
Time Factors
Treatment Outcome
Ventriculoperitoneal Shunt / adverse effects*,  methods

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