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    9/6/2009

    海盜船加雲霄飛車 易猝死

    恐過度刺激神經 應間隔半小時
    【許佳惠╱台北報導】易暈車、暈船者,坐雲霄飛車、海盜船要更注意。國內研究發現,遊樂園的雲霄飛車瞬間重力,相當於駕駛戰鬥機,若坐完海盜船隨即坐雲霄飛車,恐過度刺激神經系統,引發心律不整或猝死危險,易暈車、暈船者更是高危險群,建議這兩種遊樂設施最好間隔半小時乘坐。
     
    瞬間重力如戰鬥機
    明道大學休閒保健學系教授溫德生針對六福村、月眉育樂世界、劍湖山世界、九族文化村4大遊樂園,進行遊樂設施安全性探討,除測試雲霄飛車的重力,也讓40多名20到35歲健康者坐雲霄飛車和海盜船,再分別量測心跳。

    溫德生說,重力就是G力,正常人在平地是1G,2G等於自己背著自己行走,3G到4G血液就開始往下半身流,4G到5G心臟反射失去功能、無法供應腦部血流,駕駛戰鬥機通常逾5G,需經特殊訓練才能克服。研究發現,劍湖山和月眉的斷軌雲霄飛車瞬間重力高達5G和4G,幾乎等同開戰鬥機,非一般人能承受,尤其心臟功能較差或神經系統敏感者恐休克。

    溫德生解釋,坐擺盪式遊樂設施如海盜船,副交感神經會興奮而頭暈、想吐,此時心跳變慢;雲霄飛車的瞬間重力則讓血液跑到下半身,導致腦部缺血,這時心跳會反射加快,刺激交感神經興奮,讓血壓升高、恢復腦部血流。

    交感與副交感神經正常下會互相平衡,一個興奮,另一個很難有功能。若坐完海盜船隨即坐雲霄飛車,副交感神經正興奮,心跳無法供應腦部血液,心臟本身血液不足也可能停止收縮,心臟較脆弱或神經敏感者恐致命。

    溫德生建議,雲霄飛車和海盜船最好間隔半小時乘坐,易暈車、暈船者的神經較敏感,也較易因此心律不整,更應斟酌;遊樂園須加註警語並訓練心臟急救人員。

    感冒血壓高都別玩
    三總神經內科醫師林俊杰說,30歲以上、常熬夜、日夜顛倒、不運動者,神經調節功能通常較差,建議感冒、血壓偏高、二尖瓣脫垂、體虛時別玩刺激遊樂設施。

    玩刺激遊樂設施注意事項
    ◎雲霄飛車和海盜船最好間隔30分鐘乘坐
    ◎易暈車、暈船者,因神經較敏感,玩這類設施較易心律不整,需斟酌
    ◎30歲以上、常熬夜、日夜顛倒、不運動者,神經調節功能通常較差,不應乘坐
    ◎感冒、血壓偏高、二尖瓣脫垂、體虛或前一天失眠時,也應避免乘坐
    ◎進入遊樂園時可先從緩和的設施玩起,再慢慢玩刺激設施
    ◎可先看別人玩雲霄飛車或海盜船,若光看就冒汗、心悸、噁心,應避免乘坐
    ※資料來源:溫德生教授、林俊杰醫師

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