Optimal Approaches for Measuring Tongue-Pressure Functional Reserve

Tongue-palate pressure is a parameter of considerable interest in the field of dysphagia. Maximum isometric tongue-palate pressures (MIPs) decline in healthy aging and in dysphagia. Functional reserve (FR) is the difference between MIPs and swallowing pressures. Reduced FR is thought to constitute a...

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Main Author: Catriona M. Steele
Format: Article
Language:English
Published: Wiley 2013-01-01
Series:Journal of Aging Research
Online Access:http://dx.doi.org/10.1155/2013/542909
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author Catriona M. Steele
author_facet Catriona M. Steele
author_sort Catriona M. Steele
collection DOAJ
description Tongue-palate pressure is a parameter of considerable interest in the field of dysphagia. Maximum isometric tongue-palate pressures (MIPs) decline in healthy aging and in dysphagia. Functional reserve (FR) is the difference between MIPs and swallowing pressures. Reduced FR is thought to constitute a risk for developing functional swallowing impairments. We compare different approaches for calculating FR and recommend an optimal approach. Tongue-palate pressure data were collected from 78 healthy adults (40<age  40; 38>60) during anterior and posterior MIPs, regular (RESS) and effortful (ESS) saliva swallows, and water swallows (4 repetitions per task). Six different measures of reserve were calculated using maximum anterior MIPs or ESS pressures at the top, and mean or maximum RESS or water swallow pressures at the bottom of the range. Correlations with age and MIPs were explored to confirm suitability for measuring FR. The impact of normalization to maximum MIP range was explored. We conclude that an optimal measure of FR involves the comparison of maximum MIP with mean saliva swallowing pressures. This parameter declines with age, but when normalized to an individual’s MIP range, the relationship is no longer evident. This suggests that FR does not necessarily decline in healthy aging.
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spelling doaj-art-dc5c29b353254e2dbe1f8dc6f4bbf8fc2025-02-03T06:06:21ZengWileyJournal of Aging Research2090-22042090-22122013-01-01201310.1155/2013/542909542909Optimal Approaches for Measuring Tongue-Pressure Functional ReserveCatriona M. Steele0Toronto Rehabilitation Institute, University Health Network, 550 University Avenue, Toronto, ON, M5G 2A2, CanadaTongue-palate pressure is a parameter of considerable interest in the field of dysphagia. Maximum isometric tongue-palate pressures (MIPs) decline in healthy aging and in dysphagia. Functional reserve (FR) is the difference between MIPs and swallowing pressures. Reduced FR is thought to constitute a risk for developing functional swallowing impairments. We compare different approaches for calculating FR and recommend an optimal approach. Tongue-palate pressure data were collected from 78 healthy adults (40<age  40; 38>60) during anterior and posterior MIPs, regular (RESS) and effortful (ESS) saliva swallows, and water swallows (4 repetitions per task). Six different measures of reserve were calculated using maximum anterior MIPs or ESS pressures at the top, and mean or maximum RESS or water swallow pressures at the bottom of the range. Correlations with age and MIPs were explored to confirm suitability for measuring FR. The impact of normalization to maximum MIP range was explored. We conclude that an optimal measure of FR involves the comparison of maximum MIP with mean saliva swallowing pressures. This parameter declines with age, but when normalized to an individual’s MIP range, the relationship is no longer evident. This suggests that FR does not necessarily decline in healthy aging.http://dx.doi.org/10.1155/2013/542909
spellingShingle Catriona M. Steele
Optimal Approaches for Measuring Tongue-Pressure Functional Reserve
Journal of Aging Research
title Optimal Approaches for Measuring Tongue-Pressure Functional Reserve
title_full Optimal Approaches for Measuring Tongue-Pressure Functional Reserve
title_fullStr Optimal Approaches for Measuring Tongue-Pressure Functional Reserve
title_full_unstemmed Optimal Approaches for Measuring Tongue-Pressure Functional Reserve
title_short Optimal Approaches for Measuring Tongue-Pressure Functional Reserve
title_sort optimal approaches for measuring tongue pressure functional reserve
url http://dx.doi.org/10.1155/2013/542909
work_keys_str_mv AT catrionamsteele optimalapproachesformeasuringtonguepressurefunctionalreserve