Please note that the copy function is not enabled for this field.
If you wish to
modify
existing outcomes, please copy and paste the current outcome text into the Update field.
LOGIN
CREATE ACCOUNT
LOGIN
CREATE ACCOUNT
MY TRIALS
REGISTER TRIAL
FAQs
HINTS AND TIPS
DEFINITIONS
Trial Review
The ANZCTR website will be unavailable from 1pm until 3pm (AEDT) on Wednesday the 30th of October for website maintenance. Please be sure to log out of the system in order to avoid any loss of data.
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been endorsed by the ANZCTR. Before participating in a study, talk to your health care provider and refer to this
information for consumers
Download to PDF
Trial registered on ANZCTR
Registration number
ACTRN12607000309482
Ethics application status
Not yet submitted
Date submitted
4/06/2007
Date registered
13/06/2007
Date last updated
13/06/2007
Type of registration
Prospectively registered
Titles & IDs
Public title
OPTICAL STYLET INTUBATION: A COMPARISON OF THE BONFILS STYLET (RETROMOLAR APPROACH) WITH LEVITAN STYLET (MIDLINE APPROACH) FOR ROUTINE INTUBATION.
Query!
Scientific title
Optical stylet intubation: a comparison of intubation success rate of the Bonfils stylet (retromolar approach) with Levitan stylet (midline approach) for routine intubation.
Query!
Universal Trial Number (UTN)
Query!
Trial acronym
Query!
Linked study record
Query!
Health condition
Health condition(s) or problem(s) studied:
Efficacy of routine intubation of elective surgical patients using fibreoptic stylet technology
1851
0
Query!
Condition category
Condition code
Surgery
1945
1945
0
0
Query!
Other surgery
Query!
Intervention/exposure
Study type
Interventional
Query!
Description of intervention(s) / exposure
Intervention-Intubation for elective surgery facilitated by optical stylet
Anaesthetists within the Department of Anaesthesia at Frankston Hospital without prior experience of optical stylet intubation will be randomly allocated to one of 2 groups: to learn intubation with the Bonfils (Group B) or to learn with the Levitan (Group L). Anesthetists will perform 20 intubations with their assigned device on succesive consented patients over a period of not more than 2 months. After 20 intubations with one device, the next 7 patients will be intubated via the alternative device. Washout period will be less than 14 days.
Query!
Intervention code [1]
1803
0
Treatment: Devices
Query!
Comparator / control treatment
Exposure-Bonfils optical stylet
Control-Levitan optical stylet
Query!
Control group
Active
Query!
Outcomes
Primary outcome [1]
2764
0
Intubation success rate. Following induction of anaesthesia up to 3 attempts at intubation will be permitted per patient. Oxygenation by bag and mask will be done between attempts. Failed intubations will be defined as inability to place the endotracheal tube in the trachea by 3 attempts.
Query!
Assessment method [1]
2764
0
Query!
Timepoint [1]
2764
0
At the end of intervention implementation.
Query!
Secondary outcome [1]
4656
0
1. Total time to acheive intubation (TTI).
Query!
Assessment method [1]
4656
0
Query!
Timepoint [1]
4656
0
A stopwatch will record the time from the insertion of the device into the oropharynx until the device is removed from the oral cavity. The TTI is the sum of the duration of all attempts (up to 3).
Query!
Secondary outcome [2]
4657
0
2. Anaesthetist rated intubation difficulty.
Query!
Assessment method [2]
4657
0
Query!
Timepoint [2]
4657
0
A 5-point Likert scale completed by anaesthetist after each patient.
Query!
Secondary outcome [3]
4658
0
3. Complications including patient sore throat, hoarse voice, dental trauma.
Query!
Assessment method [3]
4658
0
Query!
Timepoint [3]
4658
0
Measured during follow-up period in Post-Anaesthesia Care Unit.
Query!
Eligibility
Key inclusion criteria
Consented adult elective surgical patients with no anticipated airway difficulties (Mallampati scores 1-3)
Query!
Minimum age
18
Years
Query!
Query!
Maximum age
No limit
Query!
Query!
Sex
Both males and females
Query!
Can healthy volunteers participate?
No
Query!
Key exclusion criteria
Known or potential intubation difficulties, ASA status 4 or 5, emergency surgery and patients requiring a rapid sequence induction (severe gastro-oesophageal reflux, pregnancy etc)
Query!
Study design
Purpose of the study
Educational / counselling / training
Query!
Allocation to intervention
Randomised controlled trial
Query!
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Patients will be enrolled & consented by treating anaesthetist. Anaesthetist will have been allocated to group B or group L based on table of random numbers. Concealment will be via opaque envelopes. On opening envelope, anaesthetist will know if he/she will learn with the Bonfils (Group B) or Levitan (Group L) and therefore no longer be blinded. All anaesthetists will then undergo a standardized 1 hr training session for their device and practice on airway manikins. Patients will not be truly randomized in that if they fall in a particular anaesthetists operating list, they will be intubated according to that anaesthetists allocation (provided they are eligible to participate and agree).
Query!
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Specialist anaesthetists will be assigned to either learn the Bonfils or Levitan optical stylet. 2 groups of anaesthetists will be generated via table of random numbers
Query!
Masking / blinding
Open (masking not used)
Query!
Who is / are masked / blinded?
Query!
Query!
Query!
Query!
Intervention assignment
Crossover
Query!
Other design features
Query!
Phase
Phase 4
Query!
Type of endpoint/s
Efficacy
Query!
Statistical methods / analysis
Query!
Recruitment
Recruitment status
Not yet recruiting
Query!
Date of first participant enrolment
Anticipated
1/09/2007
Query!
Actual
Query!
Date of last participant enrolment
Anticipated
Query!
Actual
Query!
Date of last data collection
Anticipated
Query!
Actual
Query!
Sample size
Target
320
Query!
Accrual to date
Query!
Final
Query!
Recruitment in Australia
Recruitment state(s)
Query!
Funding & Sponsors
Funding source category [1]
2088
0
Hospital
Query!
Name [1]
2088
0
Hospital funded study
Query!
Address [1]
2088
0
Query!
Country [1]
2088
0
Query!
Primary sponsor type
Individual
Query!
Name
Dr Ashley Webb
Query!
Address
Query!
Country
Query!
Secondary sponsor category [1]
1893
0
Hospital
Query!
Name [1]
1893
0
Department of Anaesthesia, Frankston Hospital
Query!
Address [1]
1893
0
Query!
Country [1]
1893
0
Australia
Query!
Ethics approval
Ethics application status
Not yet submitted
Query!
Ethics committee name [1]
3878
0
Penisula Health ethics committee,
Query!
Ethics committee address [1]
3878
0
Query!
Ethics committee country [1]
3878
0
Australia
Query!
Date submitted for ethics approval [1]
3878
0
Query!
Approval date [1]
3878
0
Query!
Ethics approval number [1]
3878
0
Query!
Summary
Brief summary
Intubation is the insertion of an endotracheal tube into the trachea of an anaesthetized patient for airway management during surgery. Intubation is traditionally achieved by inserting a laryngoscope into the anaesthetized patient’s mouth, moving the tongue out of the way and inserting the endotracheal tube through the vocal cords if they can be seen. In the last decade there has been growing interest in a new type of intubating device called optical stylet. Optical stylets incorporate fiberoptic imaging elements in an intubation stylet design. Their appearance is of a thin semi-rigid telescope which an endotracheal tube is threaded over. While any patient may be intubated using a stylet, they have been particularly reccomended for difficult intubations, which occur with an incidence of between 1:300 and 1:3000 (rising with conditions such as obesity and sleep apnoea). The proposed study compares the ease of use and intubation success of the 2 optical stylets, the Bonfils (Storz, Germany) and the Levitan (Clarus, USA) (pictures) amongst specialist anaesthetists whose only experience with them was basic training with the device on airway mannikins. Both devices will be used according to their approved application for device entry at the Therapeutic Goods Administration.
Query!
Trial website
Query!
Trial related presentations / publications
Query!
Public notes
Query!
Contacts
Principal investigator
Name
27906
0
Query!
Address
27906
0
Query!
Country
27906
0
Query!
Phone
27906
0
Query!
Fax
27906
0
Query!
Email
27906
0
Query!
Contact person for public queries
Name
10992
0
Dr Ashley Webb
Query!
Address
10992
0
Department of Anaesthesia
Frankston Hospital
Hastings Road
Frankston VIC 3199
Query!
Country
10992
0
Australia
Query!
Phone
10992
0
+61 3 97847445
Query!
Fax
10992
0
Query!
Email
10992
0
[email protected]
Query!
Contact person for scientific queries
Name
1920
0
Ashley Webb
Query!
Address
1920
0
Department of Anaesthesia
Frankston Hospital
Hastings Road
Frankston VIC 3199
Query!
Country
1920
0
Australia
Query!
Phone
1920
0
+61 3 97847445
Query!
Fax
1920
0
+61 3 97847441
Query!
Email
1920
0
[email protected]
Query!
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
Type
Is Peer Reviewed?
DOI
Citations or Other Details
Attachment
Basic results
No
82066-(Uploaded-10-11-2019-08-56-20)-Basic results summary.pdf
Study results article
Yes
Anaesth Intensive Care 2011; 39: 1093-1097
82066-(Uploaded-10-11-2019-08-55-13)-Journal results publication.pdf
Documents added automatically
No additional documents have been identified.
Download to PDF