A Psychomotor Recuperation Study After Deep Sedation for Colonoscopy Between Target Controlled and Manual Titration of Propofol
NCT ID: NCT02314559
Last Updated: 2022-07-19
Study Results
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Basic Information
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COMPLETED
PHASE4
164 participants
INTERVENTIONAL
2015-02-28
2020-07-07
Brief Summary
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The aim of the investigators is to evaluate sedation efficacy and recovery between two groups of ambulatory patients having a colonoscopy: one group will receive a manual titration of propofol, the other group a target controlled infusion (TCI) of propofol. The investigators will evaluate both groups before, during and after colonoscopy for adverse events, quality of sedation and recovery. When patients are estimated to be ready for discharge, they will also be subjected to a cognitive and a psychomotoricity test.
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Detailed Description
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In most cases, patients can return home after a short recovery time, under the supervision of an accompanying person. Often, no residual effects are clinically detectable. Some studies advocate that driving skills recover quickly. Current guidelines however, insist to avoid driving or using public transportation alone for at least 12 hours (24 hours if other sedatives are used).
To achieve the necessary (e.g.: no excessive movement and no awareness) level of sedation during colonoscopy, propofol can be titrated by hand, continuous infusion or by target controlled infusion. Only one study, to the investigators knowledge, compares efficacy between manual titration and target controlled infusion of propofol in combination with fentanyl for bidirectional endoscopy.
The aim of the investigators is to evaluate sedation efficacy and recovery between two groups of ambulatory patients having a colonoscopy: one group will receive a manual titration of propofol, the other group a target controlled infusion (TCI) of propofol. The investigators will evaluate both groups before, during and after colonoscopy for adverse events, quality of sedation and recovery. When patients are estimated to be ready for discharge, they will also be subjected to a cognitive and a psychomotoricity test.
To evaluate cognitive function, the investigators will use the digit symbol substitution test. The digit symbol substitution test is popular for detecting deterioration in concentration. Here for 90 seconds, a test subject is asked to change a number in a symbol.
As psychomotor test, the investigators chose a choice reaction time test for its sensitivity to detect minor changes after propofol sedation. This test has also validity in alcohol intoxication. A simple reaction time test is also included for its easy applicability and obtainability in everyday practive. Test results will be compared to see if there is a correlation with the choice reaction time tests.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
SUPPORTIVE_CARE
TRIPLE
Study Groups
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Propofol (manual titration)
Manual titration of propofol
One group will be sedated with a manual titration technique: here the titration of propofol is done manually by the anesthetist. Dosages may range between 50 and 400mg, given by boluses of 20-50mg.
Propofol (target controlled infusion)
Target controlled infusion of propofol
The other group will be sedated with a target controlled infusion technique (pump, marsh or Schneider). The anesthetist can titrate indirectly by adjusting the target controlled infusion to achieve adequate sedation. The concentrations of propofol may vary between 2 and 6 µg/ml, achieved by increments of 0.5-1.5 µg/ml.
Interventions
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Manual titration of propofol
One group will be sedated with a manual titration technique: here the titration of propofol is done manually by the anesthetist. Dosages may range between 50 and 400mg, given by boluses of 20-50mg.
Target controlled infusion of propofol
The other group will be sedated with a target controlled infusion technique (pump, marsh or Schneider). The anesthetist can titrate indirectly by adjusting the target controlled infusion to achieve adequate sedation. The concentrations of propofol may vary between 2 and 6 µg/ml, achieved by increments of 0.5-1.5 µg/ml.
Eligibility Criteria
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Inclusion Criteria
* ASA 1-3
Exclusion Criteria
* Gastroscopy planned at the same time.
* Allergies to propofol
* All cases were a 'full stomach' is suspected (gastric banding)
* Pregnancy
18 Years
80 Years
ALL
No
Sponsors
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Brugmann University Hospital
OTHER
Responsible Party
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Denis SCHMARTZ
Head of anesthesiology department
Principal Investigators
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Denis Schmartz, MD
Role: PRINCIPAL_INVESTIGATOR
CHU Brugmann
Locations
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CHU Brugmann
Brussels, , Belgium
Countries
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References
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Riphaus A, Geist F, Wehrmann T. Endoscopic sedation and monitoring practice in Germany: re-evaluation from the first nationwide survey 3 years after the implementation of an evidence and consent based national guideline. Z Gastroenterol. 2013 Sep;51(9):1082-8. doi: 10.1055/s-0033-1335104. Epub 2013 Sep 10.
Cohen LB, Wecsler JS, Gaetano JN, Benson AA, Miller KM, Durkalski V, Aisenberg J. Endoscopic sedation in the United States: results from a nationwide survey. Am J Gastroenterol. 2006 May;101(5):967-74. doi: 10.1111/j.1572-0241.2006.00500.x.
Carlsson U, Grattidge P. Sedation for upper gastrointestinal endoscopy: a comparative study of propofol and midazolam. Endoscopy. 1995 Mar;27(3):240-3. doi: 10.1055/s-2007-1005678.
Qadeer MA, Vargo JJ, Khandwala F, Lopez R, Zuccaro G. Propofol versus traditional sedative agents for gastrointestinal endoscopy: a meta-analysis. Clin Gastroenterol Hepatol. 2005 Nov;3(11):1049-56. doi: 10.1016/s1542-3565(05)00742-1.
Riphaus A, Gstettenbauer T, Frenz MB, Wehrmann T. Quality of psychomotor recovery after propofol sedation for routine endoscopy: a randomized and controlled study. Endoscopy. 2006 Jul;38(7):677-83. doi: 10.1055/s-2006-925244.
Horiuchi A, Nakayama Y, Katsuyama Y, Ohmori S, Ichise Y, Tanaka N. Safety and driving ability following low-dose propofol sedation. Digestion. 2008;78(4):190-4. doi: 10.1159/000187118. Epub 2008 Dec 18.
Dumonceau JM, Riphaus A, Aparicio JR, Beilenhoff U, Knape JT, Ortmann M, Paspatis G, Ponsioen CY, Racz I, Schreiber F, Vilmann P, Wehrmann T, Wientjes C, Walder B; NAAP Task Force Members. European Society of Gastrointestinal Endoscopy, European Society of Gastroenterology and Endoscopy Nurses and Associates, and the European Society of Anaesthesiology Guideline: Non-anesthesiologist administration of propofol for GI endoscopy. Endoscopy. 2010 Nov;42(11):960-74. doi: 10.1055/s-0030-1255728. Epub 2010 Nov 11.
Chiang MH, Wu SC, You CH, Wu KL, Chiu YC, Ma CW, Kao CW, Lin KC, Chen KH, Wang PC, Chou AK. Target-controlled infusion vs. manually controlled infusion of propofol with alfentanil for bidirectional endoscopy: a randomized controlled trial. Endoscopy. 2013 Nov;45(11):907-14. doi: 10.1055/s-0033-1344645. Epub 2013 Oct 28.
Grant SA, Murdoch J, Millar K, Kenny GN. Blood propofol concentration and psychomotor effects on driving skills. Br J Anaesth. 2000 Sep;85(3):396-400. doi: 10.1093/bja/85.3.396.
Grant SA, Millar K, Kenny GN. Blood alcohol concentration and psychomotor effects. Br J Anaesth. 2000 Sep;85(3):401-6. doi: 10.1093/bja/85.3.401.
Trevisani L, Cifala V, Gilli G, Matarese V, Zelante A, Sartori S. Post-Anaesthetic Discharge Scoring System to assess patient recovery and discharge after colonoscopy. World J Gastrointest Endosc. 2013 Oct 16;5(10):502-7. doi: 10.4253/wjge.v5.i10.502.
Deary IJ, Liewald D, Nissan J. A free, easy-to-use, computer-based simple and four-choice reaction time programme: the Deary-Liewald reaction time task. Behav Res Methods. 2011 Mar;43(1):258-68. doi: 10.3758/s13428-010-0024-1.
Other Identifiers
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CHUB Mental Recup 001
Identifier Type: -
Identifier Source: org_study_id
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