Airway Scope vs GlideScope for Intubation in Obese Patients

Purpose

This study compares the time required to complete intubation in obese patients (Body Mass Index 40 or greater) when using either the GlideScope or Airway Scope video laryngoscope device to help place the endotracheal tube.

Condition

  • Intratracheal Inbubation

Eligibility

Eligible Ages
Over 18 Years
Eligible Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Adult (age ≥18 years) - Body Mass Index (BMI) ≥40 - Scheduled for surgery with general anesthesia

Exclusion Criteria

  • Pregnancy - Congenital facial or airway anomalies - History of major neck surgery or tracheostomy - History of any lung diseases/conditions such as Chronic Obstructive Pulmonary Disease, lung resection, or lung cancer - History of cardiac failure or myocardial infarction - Prisoners

Study Design

Phase
N/A
Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel Assignment
Primary Purpose
Supportive Care
Masking
Single (Participant)

Arm Groups

ArmDescriptionAssigned Intervention
Active Comparator
GlideScope Arm 		Intubation with GlideScope
  • Device: Intubation with GlideScope
    Intubation performed by anesthesiologist using the GlideScope video laryngoscope device
Experimental
Airway Scope Arm 		Intubation with Airway Scope
  • Device: Intubation with Airway Scope
    Intubation performed by anesthesiologist using the Airway Scope video laryngoscope device

Recruiting Locations

University of New Mexico Health Sciences Center
Albuquerque, New Mexico 87131
Contact:
Yuta Kashiwagi, MD
505-272-2610
YKashiwagi@salud.unm.edu

More Details

Status
Recruiting
Sponsor
University of New Mexico

Study Contact

Yuta Kashiwagi, MD
505-272-2610
YKashiwagi@salud.unm.edu

Detailed Description

This is a randomized controlled trial of two video laryngoscope devices when used in patients with high (≥40) Body Mass Index (BMI): Airway Scope (Nihon Kohden) and GlideScope (Verathon Inc.). The study compares several outcomes as proxies for ease of intubation including time to complete intubation, number of attempts needed, minimum peripheral oxygen saturation (SpO2) during intubation, and number of episodes of SpO2 falling below 90% before intubation is completed. The patient population is consenting adult patients with BMI ≥40, who are already scheduled for general anesthesia. Intubations will be performed by attending anesthesiologists or anesthesiology residents. Obesity is a known risk factor for difficult intubation due to anatomical changes caused by increased soft tissue around the face and neck. Obese patients' blood oxygen level can rapidly fall during intubation because these patients often have reduced functional residual capacity, and the acuity of any complications may also be increased because these patients also often have additional comorbidities.