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Cognitive Impairment Following Sedation for Colonoscopy With Propofol, Midazolam and Fentanyl Combinations

23:54 EDT 16th April 2014 | BioPortfolio

Summary

Our hypothesis is that adding midazolam and/or fentanyl to propofol sedation for elective outpatient colonoscopy increases cognitive impairment at hospital discharge without improving intraoperative conditions or reducing intraoperative side-effects.

200 healthy patients aged 18 years or older will be randomised to receive propofol or propofol plus midazolam and/or fentanyl. Cognitive impairment will be tested at hospital discharge using Cogstate computerised testing software.

Study Design

Allocation: Randomized, Control: Active Control, Intervention Model: Parallel Assignment, Masking: Double-Blind, Primary Purpose: Prevention

Conditions

Cognitive Impairment

Intervention

Propofol, midazolam, fentanyl

Location

Royal Melbourne Hospital
Parkville
Victoria
Australia
3050

Status

Recruiting

Source

Melbourne Health

Results (where available)

View Results

Links

Medical and Biotech [MESH] Definitions

An intravenous anesthetic agent which has the advantage of a very rapid onset after infusion or bolus injection plus a very short recovery period of a couple of minutes. (From Smith and Reynard, Textbook of Pharmacology, 1992, 1st ed, p206). Propofol has been used as ANTICONVULSANTS and ANTIEMETICS.

A potent narcotic analgesic, abuse of which leads to habituation or addiction. It is primarily a mu-opioid agonist. Fentanyl is also used as an adjunct to general anesthetics, and as an anesthetic for induction and maintenance. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1078)

A condition of low alertness or cognitive impairment, usually associated with prolonged mental activities or stress.

Cognitive disorders including delirium, dementia, and other cognitive disorders. These may be the result of substance use, trauma, or other causes.

A childhood disorder predominately affecting boys and similar to autism (AUTISTIC DISORDER). It is characterized by severe, sustained, clinically significant impairment of social interaction, and restricted repetitive and stereotyped patterns of behavior. In contrast to autism, there are no clinically significant delays in language or cognitive development. (From DSM-IV)

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