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題名 | Effect of Ice Water Ingestion on Asthmatic Children after Exercise Challenge=氣喘患兒運動後喝冰水之效應 |
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作者 | 黃文香; 林應然; 黃富源; Huang, Wen-hsiang; Lin, Yung-zen; Huang, Fu-yuan; |
期刊 | 臺灣兒科醫學會雜誌 |
出版日期 | 20000700、20000800 |
卷期 | 41:4 民89.07-08 |
頁次 | 頁184-188+228 |
分類號 | 417.5343 |
語文 | eng |
關鍵詞 | 運動誘發試驗; 喝冰水; 氣喘患童; 肺功能測驗; Exercise challenge; Ice water ingestion; Asthmatic children; Pulmonary function test; |
中文摘要 | 運動與喝冰水都會被報告會引發氣喘發作,而日常生活中常見喘病童運動後因熱渴而進食冷飲,爲瞭解氣喘病童運動後喝冷飲是否會使呼吸功能發生更大的影響,我們研究30位年齡介於5-14歲,於臺北市立忠孝醫院小兒過敏氣喘門診追蹤治療的氣喘患童皆須於一週內隔日經歷三種不同測試項目,包括運動後喝冰水(200ml, 0-4℃)、運動後喝溫水(200ml, 37℃)、及運動後不喝水三種組合。氣喘患童之運動方式採定點盡全力持續踩腳踏車(ergocyclometer)六分鍾。呼吸功能測試包含運動前及運動並喝水後5,15,30,60,90分鍾之呼吸功能。之後,患童吸入三個劑量(共0.6mg)噴霧擴張劑(hexoprenaline)15分鍾後又再測試一次呼吸功能(共七次)。呼吸功能測驗項目包括第一秒呼氣容量(Forced Expiratory Volume in one second,簡稱FEV1),最大中間呼氣流速(Forced Expiratory Flow 25% to 75%,簡稱FEF(下標 25-75%)),最大呼氣流速(Peak Expiratory Flow Rate,簡稱PEF)。結果顯示:氣喘病童運動後不論喝冰水、喝溫水或不喝水,FEV1及PEF項目大多會有統計學上有意義之下降,FEF(下標 25-75%)則不然。三種試驗皆約有三分之二的患童發生運動性氣喘。氣喘病童運動後喝冰時,其FEV1及PEF對氣管擴張劑之反應,較運動後喝溫水時更差(P值分別爲0.0293及0.0308)。 |
英文摘要 | Both exercise and ice water ingestion are known to be trigger factors for an asthma attack in ethnic Chinese asthmatic children. The purpose of this study was to investigate whether ice water ingestion further deteriorates pulmonary function of asthmatic children after exercise. Thirty Chinese asthmatic children underwent exercise challenge by ergocyclometer for 6 minutes and then were further challenged by immediate ingestion of ice water (200ml, 0-4℃), warm water (200ml, 37℃) or no ingestion on three different days in one week. Each patient completed the three different water ingestion tests after exercise challenge. The FEV1, FEF(subscript 25-75%) and PEF tests were performed at baseline and again at 5, 15, 30, 60, 90 minutes after exercise plus water ingestion challenge. After the spirometric test at 90 minutes, 3 puffs (0.6 mg) of hexoprenaline from a metered dose inhaler were given and then a further spirometric test was performed 15 minutes later. The FEV1 and PEF were significantly decreased after exercise plus the 3 different water ingestion challenge except for the FEV1 in the patients who ingested nothing (p=0.051) and PEE in the patients who ingested warm water (p=0.163). FEF(subscript 25-75%), of the three tests was not significantly decreased. Exercise-induced asthma (EIA) developed in about two thirds of the 30 patients, regardless of whether ice water, warm water or nothing at all was ingested after exercise challenge. There was no statistically significant difference in spirometric data among the 3 different water tests at various time points. The mean percentage increase of FEV1 FEF(subscript 25-75%), and PEF after bronchodilator therapy were all the lowest in the ice water test, and the greatest in the warm water test. A statistically significant difference was found between ice water and warm water tests for FEV1, and PEF (p=0.0293 and p=0.0308 respectively). In conclusion, about two thirds of the asthmatic children in this series had EIA. Those who ingested warm water after exercise had a better bronchodilator response than those who ingested ice water. |
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