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雙和醫院心臟血管外科提醒民眾,突發胸口劇痛可能罹患「急性主動脈剝離」

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雙和醫院心臟血管外科提醒民眾,突發胸口劇痛可能罹患「急性主動脈剝離」 72 歲的黃女士某天晚上在家裡看電視的時候,突然胸口和背後劇烈的疼 痛, 接著全身冒冷汗,連話都說不出來。被家人送到雙和醫院急診, 經診斷為急性主動脈剝離。心臟血管外科林正欣主任為其施行約 6 個小 時的手術後,總算脫離險境,順利恢復,在術後第 12 天出院。 林正欣主任表示,主動脈剝離的發生,是主動脈壁的 內層發生撕裂破損,血流灌入造成內層和外層管壁之 間的分離,因此病患會有劇烈的疼痛症狀。而主動脈 是身體最大的血管,全身所有的血管都是從主動脈分 枝而來,因此主動脈剝離除了可能造成主動脈破裂導 致死亡外,也可能造成任何一條血管的開口斷裂或者 阻塞,而導致重要器官的缺血壞死。 主動脈剝離好發於 40~50 歲的壯年和 70~80 歲的老年 等兩個年齡層,男性略多於女性,好發因素除了年齡 之外,主要為高血壓控制不良。病患通常可能在入夜 到深夜之間,在沒有任何徵兆的情況下,突發劇烈的胸痛或者背痛。電腦斷層通常 是主要的診斷工具,但少部分患者因併發「急性心肌梗塞」,而在心導管室被診斷 出來。【圖:心臟血管外科林正欣主任】 主動脈剝離可由其發生的部位分為兩個類型:若是跟心臟相連接的升主動脈有剝離 現象,則為A型;若無,則為B型。根據研究,A型主動脈剝離若未接受手術治 療,在 48 小時內的死亡率高達 50%,因此醫師多半會建議病患接受緊急手術。由 於主動脈剝離的發生多在夜間,因此醫師經常需要熬夜通宵為病患執行緊急手術, 對精神和體力都是很大的挑戰。 主任特別建議有高血壓病史的患者,最好每日注意自己的血壓狀況,定時量測血壓 並做完整記錄;在飲食方面口味不要太重,以清淡少鹽為主;在作息方面不要熬 夜,要有充足的睡眠和規律的運動;體型高大的人須要控制體重以減輕心臟負擔。 主動脈剝離一旦發生,即使接受手術治療仍有相當高的風險,因此,預防重於治 療,平時的預防保健才是最重要的。(文/雙和醫院)

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