Cough Threshold in People With Spinal Cord Injuries

The purpose of this study was to compare the cough threshold between people with and without spinal cord injury (SCI). The effect of smoking on cough threshold was also investigated. The participants were 26 people with SCI (15 smokers, 11 nonsmokers) and 18 people without SCI (9 smokers, 9 nonsmoke...

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Veröffentlicht in:Physical therapy 1999-11, Vol.79 (11), p.1026-1031
Hauptverfasser: Lin, K H, Lai, Y L, Wu, H D, Wang, T Q, Wang, Y H
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creator Lin, K H
Lai, Y L
Wu, H D
Wang, T Q
Wang, Y H
description The purpose of this study was to compare the cough threshold between people with and without spinal cord injury (SCI). The effect of smoking on cough threshold was also investigated. The participants were 26 people with SCI (15 smokers, 11 nonsmokers) and 18 people without SCI (9 smokers, 9 nonsmokers). Aerosols of citric acid were delivered with incremental doubling concentration from 62.5 mmol to 2 mol. Cough threshold was defined as the first concentration of citric acid that induced at least 2 coughs, which is associated with large chest excursion and concurrently acoustic response. The mean cough thresholds of smokers and nonsmokers with SCI (209 and 417 mmol, respectively) were lower than those of smokers and nonsmokers without SCI (467 and 1,072 mmol, respectively). The mean citric acid cough thresholds decreased in smokers with and without SCI when compared with nonsmokers with and without SCI. The cough sensitivity increased in subjects with SCI, and smoking could also increase the cough sensitivity. Training about the frequency and technique of cough in patients with SCI should be carefully monitored.
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The effect of smoking on cough threshold was also investigated. The participants were 26 people with SCI (15 smokers, 11 nonsmokers) and 18 people without SCI (9 smokers, 9 nonsmokers). Aerosols of citric acid were delivered with incremental doubling concentration from 62.5 mmol to 2 mol. Cough threshold was defined as the first concentration of citric acid that induced at least 2 coughs, which is associated with large chest excursion and concurrently acoustic response. The mean cough thresholds of smokers and nonsmokers with SCI (209 and 417 mmol, respectively) were lower than those of smokers and nonsmokers without SCI (467 and 1,072 mmol, respectively). The mean citric acid cough thresholds decreased in smokers with and without SCI when compared with nonsmokers with and without SCI. The cough sensitivity increased in subjects with SCI, and smoking could also increase the cough sensitivity. 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The effect of smoking on cough threshold was also investigated. The participants were 26 people with SCI (15 smokers, 11 nonsmokers) and 18 people without SCI (9 smokers, 9 nonsmokers). Aerosols of citric acid were delivered with incremental doubling concentration from 62.5 mmol to 2 mol. Cough threshold was defined as the first concentration of citric acid that induced at least 2 coughs, which is associated with large chest excursion and concurrently acoustic response. The mean cough thresholds of smokers and nonsmokers with SCI (209 and 417 mmol, respectively) were lower than those of smokers and nonsmokers without SCI (467 and 1,072 mmol, respectively). The mean citric acid cough thresholds decreased in smokers with and without SCI when compared with nonsmokers with and without SCI. The cough sensitivity increased in subjects with SCI, and smoking could also increase the cough sensitivity. Training about the frequency and technique of cough in patients with SCI should be carefully monitored.</abstract><cop>United States</cop><pub>American Physical Therapy Association</pub><pmid>10534795</pmid><doi>10.1093/ptj/79.11.1026</doi><tpages>6</tpages></addata></record>
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ispartof Physical therapy, 1999-11, Vol.79 (11), p.1026-1031
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source MEDLINE; Oxford Academic Journals (OUP); EZB Electronic Journals Library
subjects Adult
Analysis of Variance
Citric Acid - pharmacology
Cough
Cough - physiopathology
Forced Expiratory Volume
Humans
Irritants - pharmacology
Male
Medical examination
Paraplegia - physiopathology
Physiological aspects
Provocation tests (Medicine)
Quadriplegia - physiopathology
Respiratory system
Sensory Thresholds
Smokers
Smoking - adverse effects
Spinal cord injuries
Spinal Cord Injuries - physiopathology
Vital Capacity
title Cough Threshold in People With Spinal Cord Injuries
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