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CC BY-NC-ND 4.0 · Endosc Int Open 2020; 08(10): E1398-E1404
DOI: 10.1055/a-1223-2002
Original article

Is sore throat an underreported and under-estimated quality indicator for endoscopic procedures? Results from a large prospective cohort

Katherine Kim
1   Cedars Sinai Medical Center, Department of Gastroenterology, Los Angeles, California, United States
,
Srinivas Gaddam
1   Cedars Sinai Medical Center, Department of Gastroenterology, Los Angeles, California, United States
,
John Verula
1   Cedars Sinai Medical Center, Department of Gastroenterology, Los Angeles, California, United States
,
Ellis Lai
1   Cedars Sinai Medical Center, Department of Gastroenterology, Los Angeles, California, United States
2   Cedars Sinai Medical Center, Department of Anesthesiology, Los Angeles, California, United States
,
Ashley Dollentas
1   Cedars Sinai Medical Center, Department of Gastroenterology, Los Angeles, California, United States
,
Bee Hill
1   Cedars Sinai Medical Center, Department of Gastroenterology, Los Angeles, California, United States
,
Sarah Francis
1   Cedars Sinai Medical Center, Department of Gastroenterology, Los Angeles, California, United States
,
Shara Chess
1   Cedars Sinai Medical Center, Department of Gastroenterology, Los Angeles, California, United States
,
Simon Lo
1   Cedars Sinai Medical Center, Department of Gastroenterology, Los Angeles, California, United States
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Abstract

Background and study aims Patients often develop sore throat after upper endoscopy procedures but there data are very limited on the magnitude of the problem. The aim of this study was to evaluate and identify independent risk factors of sore throat in patients undergoing endoscopy.

Patients and methods Data were collected prospectively on consecutive outpatient endoscopy procedures performed at Cedars-Sinai Medical Center from October 2018 to February 2019. Procedure nurses collected pre-procedure, intra-procedure, and immediate post-procedure surveys including evaluation of sore throat (pain scale from 1 – 10). Significant univariate variables (P < 0.05) were entered into a multivariate logistic regression model.

Results Data were collected on 715 patients. Four hundred seventy-two patients (mean age = 61 years, females = 53 %) were included in the analysis and 85 patients (18 %) experienced post-procedure sore throat. On univariate analysis, female gender, oral endoscopic ultrasound (EUS), oral double balloon enteroscopy (DBE), fellow involvement, throat suctioning, general anesthesia, oral airway, and prolonged procedure (> 30 minutes) were risk factors for sore throat (all P < 0.05). On the multivariate analysis, independent risk-factors for post-procedure sore throat were oral DBE (odds ratio [OR] 5.2), oral airway (OR 4.8), general anesthesia (OR 2.7), fellow involvement (OR 2.5), oral EUS (OR 2.4), and female gender (OR 2.0).

Conclusions Contrary to popular belief, our study found that post-procedural sore throat is more common (18 %) than previously reported. Two types of endoscopic procedures, two anesthesia maneuvers, female gender, and fellow involvement were all independent risk factors. This is of particular concern for interventionalists who perform EUS and oral DBE as these patients are at higher risk for sore throat.



Publication History

Received: 07 April 2020

Accepted: 05 June 2020

Article published online:
22 September 2020

© 2020. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commecial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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