Intubation Blades for C-Section
(ANGLED Trial)
What You Need to Know Before You Apply
What is the purpose of this trial?
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.
Are You a Good Fit for This Trial?
This trial is for pregnant individuals scheduled for a C-section who will need general anesthesia with intubation. People may not be eligible if they have conditions that make intubation unsafe or are unable to participate as determined by the study team.Inclusion Criteria
Exclusion Criteria
What Are the Treatments Tested in This Trial?
Interventions
- Hyperangulated Blade
- Macintosh Style Blade
Trial Overview
The study compares two types of video laryngoscope blades—a Macintosh-style blade (gentle curve) and a hyperangulated blade (sharper curve)—to see which works better for placing breathing tubes during general anesthesia in C-sections. Participants are randomly assigned to one of the two groups.
How Is the Trial Designed?
2
Treatment groups
Active Control
Study patients in this arm will be intubated using a Macintosh style blade
Study patients in this arm will be intubated using a Hyperangulated style blade
Find a Clinic Near You
Who Is Running the Clinical Trial?
Samuel Lunenfeld Research Institute, Mount Sinai Hospital
Lead Sponsor
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