BIS Monitoring of Patients With Hydrocephalus

Status Completed

Clinical Trial Summary

We tested the hypothesis that BIS values are altered in pediatric patients with hydrocephaly. We also tested the hypothesis that BIS values are altered in adult post cerebral hemorrhage patients with hydrocephaly undergoing ventricular-peritoneal shunt placement

Clinical Trial Description

Context: Enlarged skull circumference in patients with hydrocephalus might alter bispectral index (BIS) values; as distorted skull contour distances sensors from a shifted cerebral mass as well as mental dysfunction as a result of disrupted Cerebrospinal fluid circulation.

Objectives: Investigators tested the hypothesis that BIS values are altered in pediatric patients with hydrocephaly. Investigators also tested the hypothesis that BIS values are altered in adult post cerebral hemorrhage patients with hydrocephaly undergoing ventricular-peritoneal shunt placement.

Methods: After ethics committee approval participants, or their next of kin, who gave written informed consent were recruited in the study. Investigators excluded potential participants suffering from hepatic disease. In the first study 15 pediatric patients with hydrocephaly and 15 pediatric control patients at approximately the same age group were included in the study.

In the second study 15 post cerebral hemorrhage adult patients undergoing ventricular-peritoneal shunt placements and 15 adult control patients were included in the study.

2 BIS sensors were placed on patients' forehead and connected to BIS-Vista monitors. In a quiet anesthesia induction room investigators recorded BIS-Vista for 10 min before induction.

Remifentanil 4 ng ml-1 was started and propofol TCI was kept constant at 4 microg ml-1 with no adjustments for a 1 h anesthesia maintenance study-recording period when time of surgery allowed. Investigators also noted BIS values immediately before and after a patent ventricular-peritoneal shunt was successfully installed. After conclusion of surgical procedures, remifentanil and propofol infusions were terminated and this marked the beginning of the recovery phase of the study where we recorded BIS values for another 20 min emergence from anesthesia. ;

Study Design

Related Conditions & MeSH terms

Hydrocephalus

Clinical Trial Details

NCT number	NCT02575105
Study type	Observational
Source	Suez Canal University
Contact
Status	Completed
Phase
Start date	May 2008
Completion date	May 2011

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

BIS Monitoring of Patients With Hydrocephalus — BIS1

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms