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Search / Trial NCT04566224

Comparison of Intubation Rate of Macintosh Size 2 and 3 Blades in Asian Female: a Randomised Controlled Trial

Launched by MACKAY MEMORIAL HOSPITAL · Sep 22, 2020

Trial Information

Current as of May 11, 2025

Completed

Keywords

Intubation Rate Macintosh Blade Asian Women Intubation Difficulty Scale

ClinConnect Summary

Selection the most appropriate size of laryngoscope blade size could not only increased intubation successful rate at the first time but also decrease the incidence of tissue trauma. Laryngoscope blade used in daily practice is usually Macintosh 3. However, compared with Caucasian people, Asian people are smaller and thinner especially in women. This study aims to confirm that the Macintosh 2 blade is not inferior to size 3 blade in laryngeal view and intubation rate.

Female patients without known difficult airway will be enrolled and allocated into Macintosh blade size 2 and size 3 groups...

Gender

FEMALE

Eligibility criteria

  • Inclusion Criteria:
  • with American Society of Anesthesiologists (ASA) physical status classification 1, 2, or 3
  • undergo elective surgery
  • receive endotracheal intubation
  • Exclusion Criteria:
  • with known difficult airway (i.e. pathology of the neck, upper airway or alimentary tracts)
  • with risks of pulmonary aspiration (i.e. emergent operation, pregnancy or inadequate nil per os)
  • with previous difficult intubation history
  • intubation attempts more than three times
  • patient refusal

About Mackay Memorial Hospital

Mackay Memorial Hospital is a leading healthcare institution dedicated to advancing medical science through innovative clinical research. With a commitment to patient-centered care, the hospital actively sponsors and conducts clinical trials across various therapeutic areas, aiming to develop new treatment options and improve health outcomes. Boasting a team of experienced researchers and healthcare professionals, Mackay Memorial Hospital adheres to rigorous ethical standards and regulatory guidelines, ensuring the safety and well-being of participants while contributing to the global body of medical knowledge. Its collaborative approach fosters partnerships with academic institutions and industry leaders, positioning it as a key player in the advancement of healthcare solutions.

Locations

Taipei, , Taiwan

Patients applied

0 patients applied

Trial Officials

Nuan-Yen Su, MS

Study Director

Mackay Memorial hospital, department of anesthesiology, attending physician

Timeline

First submit

Trial launched

Trial updated

Estimated completion

Not reported

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