Evaluation of Video Laryngoscopy (Video Macintosh-blade) and Direct Laryngoscopy (EMMA-Study)
EMMA
1 other identifier
interventional
2,466
1 country
1
Brief Summary
A randomized controlled prospective study of laryngoscopy and intubation success comparing direct laryngoscopy and the McGrath® Mac videolaryngoscope.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Nov 2015
Longer than P75 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
November 11, 2015
CompletedFirst Submitted
Initial submission to the registry
November 15, 2015
CompletedFirst Posted
Study publicly available on registry
November 23, 2015
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 7, 2019
CompletedStudy Completion
Last participant's last visit for all outcomes
May 14, 2019
CompletedMay 15, 2019
May 1, 2019
3.5 years
November 15, 2015
May 13, 2019
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
intubation success
successful tracheal intubation at the first attempt, compared to more than one attempt
at intubation; < 120 seconds
Secondary Outcomes (4)
Cormack and Lehane Classification
< 120 seconds
Percentage of glottic opening
< 120 seconds
Number of attempts
< 120 seconds
IDS (intubation difficult score)
< 120 seconds
Study Arms (2)
McGrath MAC
EXPERIMENTALtracheal intubation using the McGrath MAC
Macintosh Laryngoscope
EXPERIMENTALtracheal intubation using the Macintosh Laryngoscope
Interventions
in a randomised order we evaluate the success rate with the first attempt of the tracheal tube into the trachea.
in a randomised order we evaluate the success rate with the first attempt of the tracheal tube into the trachea.
Eligibility Criteria
You may qualify if:
- Age ≥ 18 Years No concurrent participation in another study
- capacity to consent
- Present written informed consent of the research participant
- Elective surgery under general anesthesia
You may not qualify if:
- Age \<18 years
- Existing pregnancy
- Lack of consent
- inability to consent
- emergency patients
- Emergency situations in the context of a Difficult Airway Management
- ASA classification\> 3
- situations where the possibility of accumulated gastric contents
- Participation in another study
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Johannes Gutenberg University Mainzlead
- Western University, Canadacollaborator
- Mutterhaus der Borromäerinnen, Germanycollaborator
- Christophorus Hospital, Germanycollaborator
Study Sites (1)
Department of Anesthesiology,Prof. C. Werner, Universitätsmedizin of the JG University
Mainz, Rhineland-Palatinate, D55131, Germany
Related Publications (3)
Wallace CD, Foulds LT, McLeod GA, Younger RA, McGuire BE. A comparison of the ease of tracheal intubation using a McGrath MAC((R)) laryngoscope and a standard Macintosh laryngoscope. Anaesthesia. 2015 Nov;70(11):1281-5. doi: 10.1111/anae.13209. Epub 2015 Sep 4.
PMID: 26336853BACKGROUNDAlvis BD, Hester D, Watson D, Higgins M, St Jacques P. Randomized controlled trial comparing the McGrath MAC video laryngoscope with the King Vision video laryngoscope in adult patients. Minerva Anestesiol. 2016 Jan;82(1):30-5. Epub 2015 Apr 17.
PMID: 25881731BACKGROUNDKriege M, Alflen C, Tzanova I, Schmidtmann I, Piepho T, Noppens RR. Evaluation of the McGrath MAC and Macintosh laryngoscope for tracheal intubation in 2000 patients undergoing general anaesthesia: the randomised multicentre EMMA trial study protocol. BMJ Open. 2017 Aug 21;7(8):e016907. doi: 10.1136/bmjopen-2017-016907.
PMID: 28827261DERIVED
Study Officials
- PRINCIPAL INVESTIGATOR
Marc Kriege, MD
University JG, Mainz
- PRINCIPAL INVESTIGATOR
Rüdiger Noppens, MD,Phd
Western University
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- MD
Study Record Dates
First Submitted
November 15, 2015
First Posted
November 23, 2015
Study Start
November 11, 2015
Primary Completion
May 7, 2019
Study Completion
May 14, 2019
Last Updated
May 15, 2019
Record last verified: 2019-05
Data Sharing
- IPD Sharing
- Will not share