MedTrace Logo

Hyperangulated vs. Macintosh Style Blades for Intubation in Obstetric Patients

NCT07667010 · Status: NOT_YET_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 100

Last updated 2026-06-24

No results posted yet for this study

Summary

Cesarean section under general anesthesia requires intubation (insertion of a tube through the mouth into the breathing pipe to support breathing during the surgery). A device called a video laryngoscope is used, which has a smooth, curved, or less curved component called 'a blade' that helps the doctor gently see the voice box and guide the breathing tube safely into place during anesthesia; it is not a sharp tool blade.

There are two types of video laryngoscopes blades: a Macintosh- style blade with a gentle curve, approximately 90 degrees) and a hyperangulated blade (with a more pronounced curve).

Although video laryngoscopes are safe and both types have been used for around 20 years, it is not known whether one type works better that the other in patients undergoing cesarean delivery under general anesthesia. Because general anesthesia is used in only a small proportion (about 5%) of all cesarean deliveries, research in this area is limited.

The main purpose of the study is to assess if a study comparing these two types of blades in the obstetric population is feasible. This is also known as a feasibility study, which aims to test the study plan and determine whether enough participants will join a larger study and accept the study procedures. The results will be used as a guide for a larger study.

Conditions

  • Obstetric
  • Cesarean Birth
  • Airway Anesthesia
  • Intubation
  • General Anesthesia; Tracheal Intubation
  • Video Laryngoscopy
  • Obstetric Anesthesia
  • Obstetric Anesthesia Problems
  • General Anesthesia

Interventions

DEVICE

Macintosh Style Blade

Macintosh- style blade with a gentle curve, approximately 90 degrees

DEVICE

Hyperangulated blade

hyperangulated blade (with a more pronounced curve

Sponsors & Collaborators

  • Samuel Lunenfeld Research Institute, Mount Sinai Hospital

    lead OTHER

Study Design

Allocation
RANDOMIZED
Purpose
SUPPORTIVE_CARE
Masking
SINGLE
Model
PARALLEL

Eligibility

Sex
FEMALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-06-15
Primary Completion
2028-01-31
Completion
2028-06-30

Countries

  • Canada

Study Locations

More Related Trials

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07667010 on ClinicalTrials.gov