Effects of Three Airway Instruments on the Incidence of Postoperative Sore Throat

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

10382 participants

Study Classification

OBSERVATIONAL

Study Start Date

2018-01-01

Study Completion Date

2022-12-31

Brief Summary

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Postoperative sore throat (POST) is a common complaint after general anesthesia. POST is defined by the presence of a self-reported foreign body sensation or a painful sensation in the throat after general anesthesia. This condition may affect recovery and patient satisfaction and is associated with many factors, including intubation tools. Previous studies have reported conflicting results on POST. This retrospective cohort study, with sample size of 10,382 patients, was conducted to confirm the hypothesis that the use of video laryngoscopy (VL) is associated with a lower incidence of POST compared with direct laryngoscopy (DL).

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Detailed Description

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Background: Postoperative sore throat (POST) is a common complaint after general anesthesia. POST is defined by the presence of a self-reported foreign body sensation or a painful sensation in the throat after general anesthesia. This condition may affect recovery and patient satisfaction and is associated with many factors, including intubation tools. Previous studies have reported conflicting results on POST. This retrospective cohort study, with sample size of 10,382 patients, was conducted to confirm the hypothesis that the use of video laryngoscopy (VL) is associated with a lower incidence of POST compared with direct laryngoscopy (DL).

Methods: Data were extracted from a prospectively maintained quality improvement database. A total of 10,382 patients were included in the study. Statistical analysis was conducted for comparisons of demographic characteristics and to determine the effect of intubation tools on the incidence of POST.

Conditions

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Sore-throat

Study Design

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Observational Model Type

COHORT

Study Time Perspective

RETROSPECTIVE

Study Groups

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Direct Laryngoscope Group

Patients receiving tracheal intubation with direct laryngoscope

Direct Laryngoscope

Intervention Type DEVICE

Patient receiving tracheal intubation with direct laryngoscope, GlideScope or Airway Scope

GlideScope Group

Patients receiving tracheal intubation with GlideScope

No interventions assigned to this group

AirwayScope Group

Patients receiving tracheal intubation with AirwayScope

No interventions assigned to this group

Interventions

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Direct Laryngoscope

Patient receiving tracheal intubation with direct laryngoscope, GlideScope or Airway Scope

Intervention Type DEVICE

Other Intervention Names

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GlideScope AVL AirwayScope S100

Eligibility Criteria

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Inclusion Criteria

* Patients receiving inpatients surgery and general anesthesia with tracheal intubation

Exclusion Criteria

* Having difficult airway,

* Anticipated difficult airway:

1. Abnormal cervical spine movement or temporomandibular joint movement
2. Airway-compromising masses such as tumors, cysts, or hematomas
3. A Mallampati score greater than 3
4. A thyromental distance of less than 6 cm
5. A lesion below vocal cord
6. A previously identified difficult airway
* Unexpected difficult airway

1. difficult mask ventilation
2. difficult vocal cord visualization after multiple attempts of laryngoscopy
* Receiving laryngeal surgery, such as laryngeal biopsy, laryngeal microsurgery, laryngoplasty or vocal cord surgery,
* Not being extubated at the end of anesthesia,
* Being pregnant,
* Being under 20 years of age,
* American Society of Anesthesiologists (ASA) physical status class greater than 3.

Minimum Eligible Age

20 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No