Trial Outcomes & Findings for Evaluation of Video Laryngoscopy in Patients With Head and Neck Pathology (NCT NCT03265938)

NCT ID: NCT03265938

Last Updated: 2020-07-02

Results Overview

Number of participants with difficult (Cormack-Lehane grade \>2) video laryngoscopic view of the larynx after awake flexible bronchoscopic intubation in patients with head and neck pathology with CMAC Cormack-Lehane grade in patients with head and neck pathology of the larynx. Cormack-Lehane grade: Grade 1: full view of the glottis Grade 2a: partial view of the glottis Grade 2b: arytenoids only Grade 3: epiglottis only Grade 4: neither glottis or epiglottis identified

Recruitment status

COMPLETED

Target enrollment

100 participants

Primary outcome timeframe

Day 1

Results posted on

2020-07-02

Participant Flow

study was conducted from September 2017 until July 2019

Participant milestones

Participant milestones
Measure
Indirect Laryngoscopy
Head and neck pathology patients undergoing indirect laryngoscopy. Indirect Laryngoscopy: The attending anesthesiologist will perform video laryngoscopy with the C-MAC D video laryngoscope and with the GlideScope AVL video laryngoscope and grade the view of the larynx obtained with each laryngoscope.
Overall Study
STARTED
100
Overall Study
COMPLETED
92
Overall Study
NOT COMPLETED
8

Reasons for withdrawal

Reasons for withdrawal
Measure
Indirect Laryngoscopy
Head and neck pathology patients undergoing indirect laryngoscopy. Indirect Laryngoscopy: The attending anesthesiologist will perform video laryngoscopy with the C-MAC D video laryngoscope and with the GlideScope AVL video laryngoscope and grade the view of the larynx obtained with each laryngoscope.
Overall Study
Withdrawal by Subject
1
Overall Study
Physician Decision
1
Overall Study
friable mass
6

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Indirect Laryngoscopy
n=100 Participants
Head and neck pathology patients undergoing indirect laryngoscopy. Indirect Laryngoscopy: The attending anesthesiologist will perform video laryngoscopy with the C-MAC D video laryngoscope and with the GlideScope AVL video laryngoscope and grade the view of the larynx obtained with each laryngoscope.
Age, Continuous
65 years
n=100 Participants
Sex: Female, Male
Female
25 Participants
n=100 Participants
Sex: Female, Male
Male
75 Participants
n=100 Participants
Body Mass Index (BMI)
23.79 kg/m^2
n=100 Participants
History of Head and Neck Surgery
49 Participants
n=100 Participants
History of Radiation Therapy
69 Participants
n=100 Participants
Edentulous
25 Participants
n=100 Participants
Mallampati score
1
8 Participants
n=100 Participants
Mallampati score
2
32 Participants
n=100 Participants
Mallampati score
3
24 Participants
n=100 Participants
Mallampati score
4
36 Participants
n=100 Participants
Head and Neck Mass Location
None
45 Participants
n=100 Participants
Head and Neck Mass Location
Base of Tongue
23 Participants
n=100 Participants
Head and Neck Mass Location
Supraglottic
11 Participants
n=100 Participants
Head and Neck Mass Location
Neck
11 Participants
n=100 Participants
Head and Neck Mass Location
Laryngeal
10 Participants
n=100 Participants

PRIMARY outcome

Timeframe: Day 1

Number of participants with difficult (Cormack-Lehane grade \>2) video laryngoscopic view of the larynx after awake flexible bronchoscopic intubation in patients with head and neck pathology with CMAC Cormack-Lehane grade in patients with head and neck pathology of the larynx. Cormack-Lehane grade: Grade 1: full view of the glottis Grade 2a: partial view of the glottis Grade 2b: arytenoids only Grade 3: epiglottis only Grade 4: neither glottis or epiglottis identified

Outcome measures

Outcome measures
Measure
Indirect Laryngoscopy
n=92 Participants
Head and neck pathology patients undergoing indirect laryngoscopy. Indirect Laryngoscopy: The attending anesthesiologist performed video laryngoscopy with the C-MAC D video laryngoscope and graded the view of the larynx.
Number of Participants With Cormack-Lehane Grade >2 Obtained With CMAC D Blade
37 Participants

PRIMARY outcome

Timeframe: Day 1

Number of participants with difficult (Cormack-Lehane grade \>2) video laryngoscopic view of the larynx after awake flexible bronchoscopic intubation in patients with head and neck pathology obtained with Glidescope AVL Cormack-Lehane grade in patients with head and neck pathology of the larynx. Cormack-Lehane grade: Grade 1: full view of the glottis Grade 2a: partial view of the glottis Grade 2b: arytenoids only Grade 3: epiglottis only Grade 4: neither glottis or epiglottis identified

Outcome measures

Outcome measures
Measure
Indirect Laryngoscopy
n=92 Participants
Head and neck pathology patients undergoing indirect laryngoscopy. Indirect Laryngoscopy: The attending anesthesiologist performed video laryngoscopy with the C-MAC D video laryngoscope and graded the view of the larynx.
Number of Participants With Cormack-Lehane Grade >2 Obtained With Glidescope AVL
28 Participants

SECONDARY outcome

Timeframe: Day 1

Cormack-Lehane grade in patients with head and neck pathology of the larynx. Cormack-Lehane grade: Grade 1: full view of the glottis Grade 2a: partial view of the glottis Grade 2b: arytenoids only Grade 3: epiglottis only Grade 4: neither glottis or epiglottis identified

Outcome measures

Outcome measures
Measure
Indirect Laryngoscopy
n=92 Participants
Head and neck pathology patients undergoing indirect laryngoscopy. Indirect Laryngoscopy: The attending anesthesiologist performed video laryngoscopy with the C-MAC D video laryngoscope and graded the view of the larynx.
Cormack-Lehane Grade Obtained With CMAC D Blade
Grade 1
23 Participants
Cormack-Lehane Grade Obtained With CMAC D Blade
Grade 2a
19 Participants
Cormack-Lehane Grade Obtained With CMAC D Blade
Grade 2b
13 Participants
Cormack-Lehane Grade Obtained With CMAC D Blade
Grade 3
8 Participants
Cormack-Lehane Grade Obtained With CMAC D Blade
Grade 4
29 Participants

SECONDARY outcome

Timeframe: Day 1

Cormack-Lehane grade in patients with head and neck pathology of the larynx. Cormack-Lehane grade: Grade 1: full view of the glottis Grade 2a: partial view of the glottis Grade 2b: arytenoids only Grade 3: epiglottis only Grade 4: neither glottis or epiglottis identified

Outcome measures

Outcome measures
Measure
Indirect Laryngoscopy
n=92 Participants
Head and neck pathology patients undergoing indirect laryngoscopy. Indirect Laryngoscopy: The attending anesthesiologist performed video laryngoscopy with the C-MAC D video laryngoscope and graded the view of the larynx.
Cormack-Lehane Grade Obtained With Glidescope AVL
Grade 1
37 Participants
Cormack-Lehane Grade Obtained With Glidescope AVL
Grade 2a
14 Participants
Cormack-Lehane Grade Obtained With Glidescope AVL
Grade 2b
13 Participants
Cormack-Lehane Grade Obtained With Glidescope AVL
Grade 3
6 Participants
Cormack-Lehane Grade Obtained With Glidescope AVL
Grade 4
22 Participants

SECONDARY outcome

Timeframe: Day 1

Population: Data for participants who have a history of head and neck masses.

Cormack-Lehane view obtained by video laryngoscopy after awake flexible bronchoscopic intubation in patients with head and neck masses.

Outcome measures

Outcome measures
Measure
Indirect Laryngoscopy
n=48 Participants
Head and neck pathology patients undergoing indirect laryngoscopy. Indirect Laryngoscopy: The attending anesthesiologist performed video laryngoscopy with the C-MAC D video laryngoscope and graded the view of the larynx.
Cormack-Lehane Grade in Patients With Head and Neck Masses Obtained With CMAC D Blade
Grade 1
11 Participants
Cormack-Lehane Grade in Patients With Head and Neck Masses Obtained With CMAC D Blade
Grade 2a
10 Participants
Cormack-Lehane Grade in Patients With Head and Neck Masses Obtained With CMAC D Blade
Grade 2b
8 Participants
Cormack-Lehane Grade in Patients With Head and Neck Masses Obtained With CMAC D Blade
Grade 3
4 Participants
Cormack-Lehane Grade in Patients With Head and Neck Masses Obtained With CMAC D Blade
Grade 4
15 Participants

SECONDARY outcome

Timeframe: Day 1

Population: Data for participants who have a history of head and neck masses.

Cormack-Lehane view obtained by video laryngoscopy after awake flexible bronchoscopic intubation in patients with head and neck masses.

Outcome measures

Outcome measures
Measure
Indirect Laryngoscopy
n=48 Participants
Head and neck pathology patients undergoing indirect laryngoscopy. Indirect Laryngoscopy: The attending anesthesiologist performed video laryngoscopy with the C-MAC D video laryngoscope and graded the view of the larynx.
Cormack-Lehane Grade in Patients With Head and Neck Masses Obtained With Glidescope AVL
Grade 1
19 Participants
Cormack-Lehane Grade in Patients With Head and Neck Masses Obtained With Glidescope AVL
Grade 2a
5 Participants
Cormack-Lehane Grade in Patients With Head and Neck Masses Obtained With Glidescope AVL
Grade 2b
10 Participants
Cormack-Lehane Grade in Patients With Head and Neck Masses Obtained With Glidescope AVL
Grade 3
2 Participants
Cormack-Lehane Grade in Patients With Head and Neck Masses Obtained With Glidescope AVL
Grade 4
12 Participants

SECONDARY outcome

Timeframe: Day 1

Population: Data for participants who have a history of neck radiation

Cormack-Lehane view obtained by video laryngoscopy after awake flexible bronchoscopic intubation in patients with a history of neck radiation.

Outcome measures

Outcome measures
Measure
Indirect Laryngoscopy
n=66 Participants
Head and neck pathology patients undergoing indirect laryngoscopy. Indirect Laryngoscopy: The attending anesthesiologist performed video laryngoscopy with the C-MAC D video laryngoscope and graded the view of the larynx.
Cormack-Lehane Grade in Patients With Neck Radiation Obtained With CMAC D Blade
Grade 1
18 Participants
Cormack-Lehane Grade in Patients With Neck Radiation Obtained With CMAC D Blade
Grade 2a
10 Participants
Cormack-Lehane Grade in Patients With Neck Radiation Obtained With CMAC D Blade
Grade 2b
9 Participants
Cormack-Lehane Grade in Patients With Neck Radiation Obtained With CMAC D Blade
Grade 3
6 Participants
Cormack-Lehane Grade in Patients With Neck Radiation Obtained With CMAC D Blade
Grade 4
23 Participants

SECONDARY outcome

Timeframe: Day 1

Population: Data for participants who have a history of neck radiation.

Cormack-Lehane view obtained by video laryngoscopy after awake flexible bronchoscopic intubation in patients with a history of neck radiation.

Outcome measures

Outcome measures
Measure
Indirect Laryngoscopy
n=66 Participants
Head and neck pathology patients undergoing indirect laryngoscopy. Indirect Laryngoscopy: The attending anesthesiologist performed video laryngoscopy with the C-MAC D video laryngoscope and graded the view of the larynx.
Cormack-Lehane Grade in Patients With Neck Radiation Obtained With Glidescope AVL
Grade 1
26 Participants
Cormack-Lehane Grade in Patients With Neck Radiation Obtained With Glidescope AVL
Grade 2a
11 Participants
Cormack-Lehane Grade in Patients With Neck Radiation Obtained With Glidescope AVL
Grade 2b
9 Participants
Cormack-Lehane Grade in Patients With Neck Radiation Obtained With Glidescope AVL
Grade 3
5 Participants
Cormack-Lehane Grade in Patients With Neck Radiation Obtained With Glidescope AVL
Grade 4
15 Participants

Adverse Events

Indirect Laryngoscopy

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Dr. Samuel DeMaria

Icahn School of Medicine at Mount Sinai

Phone: (212) 241-1518

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place