Main Article Content
To compare the success rate of 700 and 900 rigid endoscope in successful visualization of the hidden areas of larynx.
MATERIAL AND METHODS
A randomized control trial at the Department of Otorhinolaryngology Head and Neck surgery, Pakistan Institute of Medical Sciences, Islamabad, was done for a period of 06 months from 22nd May, 2018 to 22nd Nov, 2018. A written informed consent from 582 patients fulfilling the inclusion criteria were enrolled from the outpatient department (291 in each group). They were randomized in two groups using a computer-generated table. Patients in Group A undergone the procedure using 700 rigid telescope and those in Group B using 900 rigid telescopes. The following parameter was evaluated: subglottic area, anterior commissure and laryngeal surface of the epiglottis.
Total 582 patients were included in the study. Mean age (years) of patients was 38.88+12.71. 267 (group A) and 251 (group B) patients whom successful visualized subglottic area, whereas 261 and 239 patients from group A and B respectively, were successfully visualized with anterior commissure. Similarly, successfully visualized laryngeal surface of the epiglottis is 273 and 240 respectively for 700 & 900 scopes.
The study findings concluded that rate of success of 700 rigid endoscope was more successful in visualization of the hidden areas of larynx as compared to 900 rigid endoscope.
Full Visualization of Subglottic, Anterior Commissure, Laryngeal Surface of
Epiglottis, telescope, 700, 900 endoscope
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