Comparison Between Ventricular and Spinal Infusion Tests in Suspected Normal Pressure Hydrocephalus.
Katzman test
Neurosurgery
Normal pressure hydrocephalus
Ventriculostomy
Journal
Acta neurochirurgica. Supplement
ISSN: 0065-1419
Titre abrégé: Acta Neurochir Suppl
Pays: Austria
ID NLM: 100962752
Informations de publication
Date de publication:
2023
2023
Historique:
medline:
28
12
2023
pubmed:
28
12
2023
entrez:
28
12
2023
Statut:
ppublish
Résumé
Idiopathic normal pressure hydrocephalus (iNPH) is an often-overlooked or misdiagnosed brain disorder characterized by overt ventriculomegaly and associated with gait disturbances, cognitive impairment, and urinary incontinence. If correctly diagnosed, it is considered the only form of dementia treatable with surgery, namely through a ventriculoperitoneal or ventriculoatrial shunt with programmable valves.Among the 856 spinal and ventricular infusion tests performed from 2001 to 2017 at our institution, we analyzed 106 cases selected for suspected normotensive hydrocephalus. In all cases, Intracranial Elastance Index (IEI) and outflow resistance (Rout) values were calculated: 52 of these patients underwent Spinal Katzman Test (SKT), and the remaining 54 underwent an intraventricular infusion test (IVKT). Of the 40 patients in the SKT group with pathological elastance (71%), 17 also had a Rout >12 mmHg and 23 a Rout <12 mmHg. Of the 50 patients in the IVKT group with pathological elastance (92%), 38 also had a Rout >12 mmHg and 12 a Rout <12 mmHg.IVKT and SKT to date represent two useful tools in the diagnosis of normal pressure hydrocephalus. Despite being more invasive, IVKT, including both the intracranial elastance index (IEI) and Rout analysis, could be considered more reliable than SKT and therefore could be reserved for the most controversial cases.
Identifiants
pubmed: 38153473
doi: 10.1007/978-3-031-36084-8_34
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
219-222Informations de copyright
© 2023. The Author(s), under exclusive license to Springer Nature Switzerland AG.
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