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Modified Cormack Lehane Scores Evaluated by Laryngoscopy During Awake Versus Under General Anesthesia

NCT03826680 · Status: UNKNOWN · Phase: NA · Type: INTERVENTIONAL · Enrollment: 200

Last updated 2019-07-25

No results posted yet for this study

Summary

Nowadays, 5-step modified Cormack-Lehane scoring (MCL) system is frequently used in the observation of laryngeal structures by direct laryngoscopy.

Upper airways with flexible fiberoptic laryngoscopy are routinely evaluated in patients who are predicted to be difficult intubation, who have undergone head or neck surgery previously and who require vocal cords to be evaluated preoperatively. During this examination patients are awake; so the upper airway and the muscles in the base of the mouth have normal tonus and airway reflexes are active. When general anesthesia is applied to the same patients during direct laryngoscopy, the laryngeal view may not be as clear as awake flexible fiberoptic laryngoscopy, since a tonus loss occurs in the muscles after general anesthesia.

The aim of the study is to investigate the relationship between preoperative awake flexible fiberoptic laryngoscopy performed by ear- nose- throat (ENT) physicians in patients undergoing total thyroidectomy, and the MCL score during direct laryngoscopy after general anesthesia in the same patients. Thus, investigators would like to determine the reliability of airway evaluation with preoperative awake flexible fiberoptic laryngoscopy in predicting intubation conditions during tracheal intubation under general anesthesia.

Conditions

Interventions

PROCEDURE

Flexible fiberoptic laryngoscopy

Patients who will undergo thyroidectomy will be evaluated by awake flexible fiberoptic laryngoscopy and during surgery by direct laryngoscopy under general anesthesia

PROCEDURE

Direct laryngoscopy

Patients who will undergo thyroidectomy evaluated before by ENT physician, will be evaluated by anesthesiologist in means of MCL score by direct laryngoscopy during surgery under general anesthesia

Sponsors & Collaborators

  • Istanbul University

    lead OTHER

Principal Investigators

  • Guniz Koksal, Prof · Istanbul University - Cerrahpasa

Study Design

Allocation
NON_RANDOMIZED
Purpose
SCREENING
Masking
TRIPLE
Model
CROSSOVER

Eligibility

Min Age
18 Years
Max Age
70 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2019-03-19
Primary Completion
2020-06-30
Completion
2020-07-31

Countries

  • Turkey (Türkiye)

Study Locations

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Entities

Diseases

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 NCT03826680 on ClinicalTrials.gov