Incidence and severity of postoperative sore throat: a randomized comparison of Glidescope with Macintosh laryngoscope

Mansoor Aqil, Mueen Ullah Khan, Saara Mansoor, Saad Mansoor, Rashid Saeed Khokhar, Abdul Sattar Narejo, Mansoor Aqil, Mueen Ullah Khan, Saara Mansoor, Saad Mansoor, Rashid Saeed Khokhar, Abdul Sattar Narejo

Abstract

Background: Postoperative sore throat (POST) is a common problem following endotracheal (ET) intubation during general anesthesia. The objective was to compare the incidence and severity of POST during routine intubation with Glidescope (GL) and Macintosh laryngoscope (MCL).

Methods: One hundred forty adult patients ASA I and II with normal airway, scheduled to undergo elective surgery under GA requiring ET intubation were enrolled in this prospective randomized study and were randomly divided in two groups, GL and MCL. Incidence and severity of POST was evaluated at 0, 6, 12 and 24 h after surgery.

Results: At 0 h, the incidence of POST was more in MCL than GL (n = 41 v.s n = 22, P = 0.001), and also at 6 h after surgery (n = 37 v.s n = 23, P = 0.017). Severity of POST was more at 0, 6 and 12 h after surgery in MCL (P < 0.001, P = 0.001, P = 0.004 respectively).

Conclusions: Routine use of GL for ET tube placement results in reduction in the incidence and severity of POST compared to MCL.

Trial regisration: ClinicalTrials.gov NCT02848365 . Retrospectively Registered (Date of registration: July, 2016).

Keywords: Endotracheal intubation; Laryngoscope; Peroperative complications; Sore throat.

Conflict of interest statement

Ethics approval and consent to participate

This study was approved by the Institutional Review Board of King Khalid University hospital, Riyadh, Saudi Arabia. (Project No. E-11-298). As approved by the committee, a written, informed consent was obtained from all participants in this study.

Consent for publication

Not applicable.

Competing interests

The authors declare that they have no competing interests.

Publisher’s Note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Figures

Fig. 1
Fig. 1
Title: Study Consort
Fig. 2
Fig. 2
Title: Incidence of sore throat at different time intervals. Legend: * P < 0.05 during intergroup comparison
Fig. 3
Fig. 3
Title: Severity of sore throat at different time intervals. Legend: * P 

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