Effect of propofol anesthesia on force application during colonoscopy.

MedStar author(s):
Citation: Gastrointestinal Endoscopy. 79(4):657-62, 2014 Apr.PMID: 24472761Institution: MedStar Health Research InstituteForm of publication: Journal ArticleMedline article type(s): Comparative Study | Journal Article | Observational Study | Research Support, N.I.H., ExtramuralSubject headings: *Anesthetics, Intravenous/pd [Pharmacology] | *Colonoscopy/mt [Methods] | *Propofol/pd [Pharmacology] | Cohort Studies | Colonoscopes | Deep Sedation | Equipment Design | Female | Humans | Male | Mechanical Processes | Middle AgedLocal holdings: Available online from MWHC library: 1994 - present, Available in print through MWHC library: 1999 - 2006ISSN:
  • 0016-5107
Name of journal: Gastrointestinal endoscopyAbstract: BACKGROUND: Sedation is frequently used during colonoscopy to control patient discomfort and pain. Propofol is associated with a deeper level of sedation than is a combination of a narcotic and sedative hypnotic and, therefore, may be associated with an increase in force applied to the colonoscope to advance and withdraw the instrument.CONCLUSIONS: Propofol sedation is associated with a decrease in examination time and an increase in axial and radial forces used to advance the colonoscope.Copyright � 2014. Published by Mosby, Inc.DESIGN: An observational cohort study of 13 expert and 12 trainee endoscopists performing colonoscopy in 114 patients. Forces were measured by using the colonoscopy force monitor, which is a wireless, handheld device that attaches to the insertion tube of the colonoscope.LIMITATIONS: Small study, observational design, nonrandomized distribution of sedation type and experience level, different instrument type and effect of prototype device on insertion tube manipulation.MAIN OUTCOME MEASUREMENTS: Axial and radial forces and examination time.OBJECTIVE: To compare force application to the colonoscope insertion tube during propofol anesthesia and moderate sedation.PATIENTS: Patients undergoing routine screening or diagnostic colonoscopy with complete segment force recordings.RESULTS: Axial and radial forces increase and examination time decreases significantly when propofol is used as the method of anesthesia.SETTING: Community ambulatory surgery center and academic gastroenterology training programs.All authors: Benjamin SB, Brandt LJ, Egorov V, Haddad NG, Korman LY, Lazerow SK, Mete M, Metz DC, Miller HL, Patel MDigital Object Identifier: Date added to catalog: 2015-03-17
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Item type Current library Collection Call number Status Date due Barcode
Journal Article MedStar Authors Catalog Article Available 24472761

Available online from MWHC library: 1994 - present, Available in print through MWHC library: 1999 - 2006

BACKGROUND: Sedation is frequently used during colonoscopy to control patient discomfort and pain. Propofol is associated with a deeper level of sedation than is a combination of a narcotic and sedative hypnotic and, therefore, may be associated with an increase in force applied to the colonoscope to advance and withdraw the instrument.

CONCLUSIONS: Propofol sedation is associated with a decrease in examination time and an increase in axial and radial forces used to advance the colonoscope.Copyright � 2014. Published by Mosby, Inc.

DESIGN: An observational cohort study of 13 expert and 12 trainee endoscopists performing colonoscopy in 114 patients. Forces were measured by using the colonoscopy force monitor, which is a wireless, handheld device that attaches to the insertion tube of the colonoscope.

LIMITATIONS: Small study, observational design, nonrandomized distribution of sedation type and experience level, different instrument type and effect of prototype device on insertion tube manipulation.

MAIN OUTCOME MEASUREMENTS: Axial and radial forces and examination time.

OBJECTIVE: To compare force application to the colonoscope insertion tube during propofol anesthesia and moderate sedation.

PATIENTS: Patients undergoing routine screening or diagnostic colonoscopy with complete segment force recordings.

RESULTS: Axial and radial forces increase and examination time decreases significantly when propofol is used as the method of anesthesia.

SETTING: Community ambulatory surgery center and academic gastroenterology training programs.

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