الفهرس 
Anatomy of the PharynxOnly 14 pages are availabe for public view
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Abstract
Background: Dysphagia is the medical term that is used to
describe the difficulty of swallowing and the feeling of difficulty
in passage of solids or semisolids or liquids from the mouth to the
stomach. Objectives: The aim of this work is to evaluate
swallowing after different types of thyroidectomy operations.
Subjects and Methods: This study is a prospective, randomized
trial on evaluation of swallowing after different types of
thyroidectomy operations. This thesis study was conducted on
100 patients underwent different types of thyroidectomy
operations, recruited from otorhinolaryngology and general
surgery outpatient clinic Ain Shams university hospital from
April 2018 to September 2019. An informed consent was
obtained from each patient or their legal guardians before
enrolment in the study. Each patient assessed by A EAT-10
Questionnaire and FEES(functional endoscopic evaluation of
swallowing) both (pre-operative, early post-operative(EPO) and
late post-operative(LPO). Results: The study include 100 patient
and mean age of study cases was 37.4 ±10.1; females represented
94% of cases. Total thyroidectomy was performed in 94% of
cases. Among our cases, we found that Dysphagia was scored 0%
at pre-operative questionnaire, 82% at early post-operative
questionnaire and 36% at late post-operative questionnaire. Two
groups were compared by FEES: group I with normal vocal fold
mobility(NVFM) and group II with abnormal vocal fold
mobility(AVFM) (unilateral fixed vocal fold). group I included
89 patients, Forty two percent of them had early Dysphagia, while
only 22% of them had late dysphagia. As regard swallowing; we
found that early post-operative delayed triggering, early postoperative aspiration; early post-operative penetration and early
post-operative residue were 12.4%, 0%, 0% and 42.7%
respectively. While late post-operative examination revealed that
there was improvement of 6 patients and the number of patients
of this group became 95 who had normal vocal fold mobility.
And the swallowing evaluation revealed that as regard late postoperative delayed triggering, late post-operative aspiration; late
post-operative penetration and late post-operative residue were
11.6%, 0%, 0% and 6.3% had respectively. group II included
Introduction
12
11patients at the early postoperative evaluation, all of them had
early Dysphagia (100%). As regard the swallowing evaluation,
we found that early post-operative delayed triggering, early postoperative aspiration early post-operative penetration and early
post-operative residue were 100%, 54.5%, 100% and 45.5%
respectively. But the late post-operative evaluation showed that
45% only of the cases of this group (5 cases) still had abnormal
vocal fold mobility (unilateral fixed vocal fold). And as regard
swallowing; we found late post-operative delayed triggering, late
post-operative aspiration, late post-operative penetration and late
post-residue were 100%, 100%, 80% and 0% respectively.
Conclusion: Dysphagia occurs in patients after thyroidectomy
operations (regardless of larynx mobility alteration) and
characterized by delayed triggering and stasis of food in the oro
and hypopharynx, which is also noticed in LPO, though more
frequently in EPO.