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Titolo:
Experience with a programmable valve shunt system
Autore:
Yamashita, N; Kamiya, K; Yamada, K;
Indirizzi:
Nagoya City Univ, Dept Neurosurg, Mizuho Ku, Nagoya, Aichi 4678601, Japan Nagoya City Univ Nagoya Aichi Japan 4678601 Nagoya, Aichi 4678601, Japan
Titolo Testata:
JOURNAL OF NEUROSURGERY
fascicolo: 1, volume: 91, anno: 1999,
pagine: 26 - 31
SICI:
0022-3085(199907)91:1<26:EWAPVS>2.0.ZU;2-7
Fonte:
ISI
Lingua:
ENG
Soggetto:
HYDROCEPHALUS;
Keywords:
hydrocephalus; ventriculoperitoneal shunt; programmable value;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
7
Recensione:
Indirizzi per estratti:
Indirizzo: Yamashita, N Nagoya City Univ, Dept Neurosurg, Mizuho Ku, 1 Kawasumi,Mizuho Cho, Nagoya, Nagoya City Univ 1 Kawasumi,Mizuho Cho Nagoya Aichi Japan 4678601
Citazione:
N. Yamashita et al., "Experience with a programmable valve shunt system", J NEUROSURG, 91(1), 1999, pp. 26-31

Abstract

Object. The goal of this study was to clarify the efficacy of the Codman Hakim programmable valve. Clinical data obtained in 179 patients with hydrocephalus or other intracranial fluid-accumulating diseases were analyzed. Methods. Shunt placement operations were effective in 168 patients, approximately one half (50.6%) of whose devices required reprogramming of openingpressure postoperatively. This was a significantly larger number of shuntsthan the authors had thought would need reprogramming. Extremely narrowed ventricles observed on computerized tomography scans, as well as clinical symptoms related to inadequate or excessive cerebrospinal fluid drainage, improved in patients after shunt reprogramming. Shunt reprogramming frequently was necessary in patients with posthemorrhagic acute hydrocephalus; the programmable valve proved particularly beneficial for such patients. Subdural effusion and arachnoid cyst also proved to be good indications for use ofthe valve. Twelve patients (7%) suffered complications postoperatively. The most common complication was valve obstruction, which occurred in five patients, most of whom had brain tumors. Conclusions. The programmable valve was beneficial for the treatment of hydrocephalus and other intracranial fluid-accumulating diseases. It is important to be careful in selecting patients for treatment with the programmable valve, because complications involving the valve seem more likely in brain tumor cases. The valve proved to be poorly resistant to magnetic fields; therefore, it is essential to confirm opening pressure after every magneticresonance imaging examination. The authors recommend that an identification system for patients be developed so that medical personnel will be aware of the presence of the valve and the previous setting of opening pressure.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/03/20 alle ore 13:43:47