The use of the Gaussian curve fitting method for scintigraphic measurements of the swallowing process in healthy subjects: implications for evaluation of dysphagia.

Abstract:

OBJECTIVE:To present the results of scintigraphic evaluation, using the Gaussian curve fitting method, via 3 parameters of oropharyngeal swallow: (1) pharyngeal transit time, (2) premature pharyngeal entry, and (3) postswallow pharyngeal stasis while ingesting liquid. DESIGN:A descriptive study. SETTING:A rehabilitation hospital affiliated with a medical university. PARTICIPANTS:Eighteen healthy subjects. INTERVENTION:All 18 subjects received scintigraphic swallow examination to evaluate dynamic swallow process of 5 mL of liquid. MAIN OUTCOME MEASURES:The Gaussian curve fitting method was used to calculate the pharyngeal transit time, premature pharyngeal entry, and postswallow pharyngeal stasis. RESULTS:The mean pharyngeal transit time was .71 seconds. The maximal percentage of premature pharyngeal entry was 3%. The maximal percentage of postswallow pharyngeal stasis was 9%. CONCLUSIONS:The Gaussian curve fitting can be used as an objective and time-saving method to calculate the parameters in scintigraphic swallowing examination. Our results approximate other researchers' reports.

journal_name

Arch Phys Med Rehabil

authors

Huang YH,Tseng FF,Tsai SJ,Lin CH,Chou YH,Lew HL

doi

10.1016/j.apmr.2006.08.324

subject

Has Abstract

pub_date

2006-11-01 00:00:00

pages

1526-9

issue

11

eissn

0003-9993

issn

1532-821X

pii

S0003-9993(06)01265-2

journal_volume

87

pub_type

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