Video-Laryngoscope Alone or With Bronchoscope for Predicted Difficult Intubation
NCT ID: NCT03080896
Last Updated: 2024-05-28
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
80 participants
INTERVENTIONAL
2017-04-10
2024-03-31
Brief Summary
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Detailed Description
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All subjects consented to this study will require endotracheal intubation. They will be randomly assigned to either one of two groups. The randomization will be stratified on whether the subject has an oral cavity/pharynx tumor or laryngeal tumor. The randomization groups are:
1. Intubation using King Vision video-laryngoscope with the disposable #3 blade and a stylet for placement of the endotracheal tube. This group is considered the "control group".
2. Intubation using the King Vision video-laryngoscope with the disposable #3 blade and the fiber-optic bronchoscope (aScope III). This group is considered the "interventional group".
When randomized to the "control group" (King Vision video-laryngoscope with #3 disposable blade and a stylet) the procedure sequence is as follows:
1. Standard anesthesia monitoring which includes but is not limited to ECG, pulse oximetry, capnography, blood pressure and temperature monitoring. Their head will be on an anesthesia pillow. This is all standard procedure.
2. Anesthesiologist will induced with Fentanyl (1-2 ug/kg), propofol (2-4 mg/kg). This is standard dosing.
3. Subjects will receive muscle relaxation using Rocuronium (0.6mg/kg) This is standard dosing.
4. The patient will be pre-oxygenated for 2-3 minutes with 100% oxygen by mask to achieve optimal oxygen saturation
5. One anesthesiologist will perform the intubation procedure using the King Vision video-laryngoscope with a #3 disposable blade and use a stylet to pre-form the endotracheal tube (ETT).
6. If the anesthesiologist's first attempt to intubate should fail the next attempt will use the standard Storz video-laryngoscope and a #4 reusable blade, a stylet to pre-form the endotracheal tube (ETT) and with external laryngeal pressure. (BURP: back, up, and rightward pressure)
7. The anesthesiologist may make a total of three attempts to intubate using the control group procedures. Each attempt should be less than 60 seconds and will be aborted if oxygen saturation falls below 90%. The patient will be pre-oxygenated by mask between each attempt.
8. After three failed attempts to intubate the anesthesiologist will use the interventional group method. Two anesthesiologists will be required to perform the intubation using the King Vision video-laryngoscope with a #3 disposable blade and the video bronchoscope (aScope III). The stylet will not be needed since the bronchoscope will be used to guide the endotracheal tube (ETT).
9. The video-laryngoscope will be used to visualize the glottis; the bronchoscope (aScope III) will be inserted underneath the epiglottis and advance to the carina under direct visualization. The endotracheal tube (ETT) will be threaded over the bronchoscope (aScope III) using the bronchoscope as a guide through the trachea.
10. Should the first attempt using the interventional method fail the next attempt will use the standard Storz video-laryngoscope and #4 reusable blade along with the video bronchoscope (aScope III)
11. There may be three attempts using the interventional method. Each attempt should be less than 60 seconds. If the oxygen saturation decreases below 90% the attempt should be aborted. The patient will be pre-oxygenated by mask between each attempt.
12. After three unsuccessful attempts the patient will be awaken and an "awake" intubation procedure will take place.
13. The anesthesiologist will note any bleeding occurring during the procedure. Bleeding will be assessed as minimal, moderate, and significant.
14. Study ends once the patient is intubated and breath sounds confirmed or when it is decided an "awake" intubation is needed.
When randomized to the "interventional" group. (King Vision video-laryngoscope and #3 disposable blade and the video-bronchoscope (aScope III) The sequence of procedures will be:
1. Standard anesthesia monitoring which includes but is not limited to ECG, pulse oximetry, capnography, blood pressure and temperature monitoring. Their head will be on an anesthesia pillow. This is all standard procedure.
2. Anesthesiologist will induced with Fentanyl (1-2 ug/kg), propofol (2-4 mg/kg). This is standard dosing.
3. Subjects will receive muscle relaxation using Rocuronium (0.6mg/kg)This is standard dosing.
4. The patient will be pre-oxygenated for 2-3 minutes with 100% oxygen by mask to achieve optimal oxygen saturation
5. Two anesthesiologist will perform the procedure
6. The video-laryngoscope will be used to visualize the glottis; the bronchoscope (aScope III) will be inserted underneath the epiglottis and advance to the carina under direct visualization. The endotracheal tube (ETT) will be threaded over the bronchoscope (aScope III) using the bronchoscope as a guide through the trachea.
7. Should the first attempt fail to intubate the patient the next attempt will use the Storz video- laryngoscope with a #4 reusable blade with the video-bronchoscope (aScope III)
8. A total of three attempts may be made using the interventional method. Each attempt should be less than 60 seconds and aborted if the oxygen saturation falls below 90%. The patient will be pre-oxygenated by mask with 100% oxygen between each attempt.
9. If failure to intubate should occur the patient will be awaken and an "awake" intubation will be performed.
10. The anesthesiologist will note any bleeding occurring during the procedure. Bleeding will be assessed as minimal, moderate, and significant.
11. The study will end with successful intubation and confirmation of breath sounds or when it is determined an "awake" intubation is necessary.
Conditions
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Study Design
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RANDOMIZED
CROSSOVER
TREATMENT
SINGLE
Study Groups
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control group videolaryngoscope/preformed stylet
The control group will intubate using the video-laryngoscope / pre formed stylet. Will convert to using video-laryngoscope and fiber-optic bronchoscope (aScope III) if failure to intubate occurs
King Vision video-laryngoscope with #3 disposable blade and endotracheal tube stylet
intubation using King Vision video-laryngoscope with #3 disposable blade with stylet convert to intubation with video-laryngoscope and fiber-optic bronchoscope bronchoscope (aScope III) for failure to intubate after three attempts
fiberoptic bronchoscope aScope III
Intubation using the videolaryngoscope/fiberoptic bronchoscope (aScope III)
Interventional Group videolaryngoscope/fibeoptic bronch
The interventional group will Intubate using the video-laryngoscope and the fiber-optic bronchoscope (aScope III)
fiberoptic bronchoscope aScope III
Intubation using the videolaryngoscope/fiberoptic bronchoscope (aScope III)
Interventions
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King Vision video-laryngoscope with #3 disposable blade and endotracheal tube stylet
intubation using King Vision video-laryngoscope with #3 disposable blade with stylet convert to intubation with video-laryngoscope and fiber-optic bronchoscope bronchoscope (aScope III) for failure to intubate after three attempts
fiberoptic bronchoscope aScope III
Intubation using the videolaryngoscope/fiberoptic bronchoscope (aScope III)
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
1. Have a tumor of the oral cavity, pharynx or larynx and are scheduled for biopsy or resection requiring intubation of the trachea
2. Are 18 years or older
3. Sign the approved inform consent
Exclusion Criteria
1. Cannot lie down flat without suffering dyspnoea
2. Stridor
3. Full stomach
4. Hiatal hernia
5. Severe Gastroesophageal Reflux Disease (GERD) defined as already on a protein pump inhibitor and continues to have daily regurgitation
6. Require rapid sequence intubation
18 Years
ALL
No
Sponsors
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Ambu A/S
INDUSTRY
University of Louisville
OTHER
Responsible Party
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Rainer Lenhardt
Professor
Principal Investigators
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Rainer Lenhardt, MD MBA
Role: PRINCIPAL_INVESTIGATOR
University of Louisville 530 South Jackson Street Louisville, KY 40202
Locations
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University of Louisville Medical School, Department of Anesthesiology and Perioperative Medicine
Louisville, Kentucky, United States
Countries
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References
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Juneja R, Lacey O. Anaesthesia for head and neck cancer surgery. Curr Anaesth Crit Care 2009;20:28-32.
Stacey M, Rassam S, Sivasankar R, Hall J. Difficulty in advancing a tracheal tube over a fibreoptic bronchoscope: more solutions. Br J Anaesth. 2005 Jul;95(1):112. doi: 10.1093/bja/aei570. No abstract available.
Cooper RM. Use of a new videolaryngoscope (GlideScope) in the management of a difficult airway. Can J Anaesth. 2003 Jun-Jul;50(6):611-3. doi: 10.1007/BF03018651.
Doyle DJ. GlideScope-assisted fiberoptic intubation: a new airway teaching method. Anesthesiology. 2004 Nov;101(5):1252. doi: 10.1097/00000542-200411000-00046. No abstract available.
Turkstra TP, Harle CC, Armstrong KP, Armstrong PM, Cherry RA, Hoogstra J, Jones PM. The GlideScope-specific rigid stylet and standard malleable stylet are equally effective for GlideScope use. Can J Anaesth. 2007 Nov;54(11):891-6. doi: 10.1007/BF03026792.
Turkstra TP, Jones PM, Ower KM, Gros ML. The Flex-It stylet is less effective than a malleable stylet for orotracheal intubation using the GlideScope. Anesth Analg. 2009 Dec;109(6):1856-9. doi: 10.1213/ANE.0b013e3181bc116a.
Knill RL. Difficult laryngoscopy made easy with a "BURP". Can J Anaesth. 1993 Mar;40(3):279-82. doi: 10.1007/BF03037041.
Cormack RS, Lehane J. Difficult tracheal intubation in obstetrics. Anaesthesia. 1984 Nov;39(11):1105-11.
Janda M, Scheeren TW, Noldge-Schomburg GF. Management of pulmonary aspiration. Best Pract Res Clin Anaesthesiol. 2006 Sep;20(3):409-27. doi: 10.1016/j.bpa.2006.02.006.
Fasting S, Gisvold SE. Serious intraoperative problems--a five-year review of 83,844 anesthetics. Can J Anaesth. 2002 Jun-Jul;49(6):545-53. doi: 10.1007/BF03017379.
Siu LW, Mathieson E, Naik VN, Chandra D, Joo HS. Patient- and operator-related factors associated with successful Glidescope intubations: a prospective observational study in 742 patients. Anaesth Intensive Care. 2010 Jan;38(1):70-5. doi: 10.1177/0310057X1003800113.
Van Zundert AA, Hermans B, Kuczkowski KM. Successful use of a videolaryngoscope in a patient with carcinoma of the oropharynx and obstructed airway. Minerva Anestesiol. 2009 Jul-Aug;75(7-8):475-6. No abstract available.
Lenhardt R, Burkhart MT, Brock GN, Kanchi-Kandadai S, Sharma R, Akca O. Is video laryngoscope-assisted flexible tracheoscope intubation feasible for patients with predicted difficult airway? A prospective, randomized clinical trial. Anesth Analg. 2014 Jun;118(6):1259-65. doi: 10.1213/ANE.0000000000000220.
Other Identifiers
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IRB #15.0096
Identifier Type: -
Identifier Source: org_study_id
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