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UFC 選手 Allan Nascimento 34 歲睡夢中猝逝——年輕運動員的心源性猝死可以預防嗎?

一句話結論: 34 歲的職業選手在睡夢中因疑似心臟病發驟逝,再次提醒我們:心源性猝死不是中老年人的專利——對多數隱性心臟病來說,賽前篩查與警訊辨識,是唯一能爭取到的先機。
UFC 蠅量級選手 Allan Nascimento 8 月 3 日清晨被發現無反應,疑似睡夢中心臟病發,年僅 34 歲

巴西 MMA 選手、UFC 蠅量級戰將 Allan Nascimento 於 8 月 3 日清晨被發現無反應,UFC 官方證實他疑似在睡夢中因心臟病發驟逝,年僅 34 歲,救護人員到場後宣告死亡。他在 6 月才打完生涯最後一場 UFC 賽事,正值當打之年。這起事件登上美國 Google 熱搜第二名,也讓「年輕運動員心源性猝死」的運動醫學話題再次受到全球關注。

年輕運動員猝死,到底有多常見?

心源性猝死(sudden cardiac death)在年輕運動員中的發生率約為每 10 萬名運動員每年 1 至 2 例,男性明顯多於女性,美式足球、籃球等劇烈運動項目居多。單看數字似乎不高,但多數案例的潛在心臟病其實從未被發現——猝死往往是「第一次也是最後一次」發病。

Allan Nascimento 6 月才打完生涯最後一場 UFC 賽事,34 歲驟逝震撼格鬥圈

最常見的元兇是什麼?

運動員猝死很少是「心臟太累」那麼簡單。運動本身更像觸發器,真正的主角是藏在背後的結構性或電氣性心臟異常:

  • 肥厚型心肌病(HCM):最常見原因,約佔三分之一——心臟肌肉異常增厚,激烈運動時可能引發致命心律不整。
  • 心律不整性右心室心肌病(ARVC):右心室心肌被纖維脂肪組織取代,是年輕運動員猝死的另一大主因。
  • 冠狀動脈先天異常:血管走向天生異常,運動時心肌供血不足。
  • 離子通道疾病:長 QT 症候群、Brugada 症候群等「心電圖上看得見、平時沒症狀」的電氣異常。
  • 心肌炎:病毒感染(如感冒、腸胃炎)後的心肌發炎,劇烈運動會放大風險。

值得注意的是,Nascimento 在睡夢中發病——猝死並非只在劇烈運動當下發生,休息狀態下的心律不整同樣致命,這也說明為什麼這類事件難以靠「訓練強度」來預測。

篩查有用嗎?一場持續數十年的辯論

賽前心臟篩查的爭議核心是:要不要全面做心電圖? 目前的主流做法是美國心臟協會(AHA)的 14 點問卷+理學檢查,涵蓋家族史、運動中暈厥、胸痛、心悸等關鍵問題,成本低但可能漏掉無症狀者。義大利自 1982 年起強制年輕運動員接受 12 導程心電圖篩查,研究顯示該國運動員猝死率下降了約 89%;但美國心臟協會考量假陽性率與成本,始終未將其列為常規——今年美國佛羅里達州則通過新法,強制高中運動員接受心臟篩查,顯示政策正在鬆動。

年輕運動員的心臟篩查——義大利強制心電圖後猝死率顯著下降,美國仍在辯論中

警訊與自救:每個人都該知道的四件事

1. 運動中暈倒或暈厥是最重要的紅旗——暈倒不是「太累」,是心臟在求救。

2. 家族史是關鍵線索:近親在 50 歲前因心臟病猝死、或家族有心肌病/心律不整病史,應主動要求心臟檢查。

3. 不明胸痛、心悸、運動後異常喘,都要就醫評估,不要硬撐。

4. AED 與 CPR 能救命:心臟驟停後每延遲一分鐘除顫,存活率下降約 7 至 10%。公共場所找到 AED、會按壓 CPR,就能把「猝死」變成「被救回」。

常見問題 (FAQ)

Q1:運動員猝死最常見的原因是什麼?

肥厚型心肌病(HCM)約佔三分之一,其次是心律不整性右心室心肌病、冠狀動脈先天異常與離子通道疾病。運動是觸發器,根本原因多是未被發現的潛在心臟病。

Q2:普通人需要做心臟篩查嗎?

若沒有家族史與症狀,常規健檢加上 AHA 14 點問卷已足夠;但若近親有 50 歲前猝死或心肌病史、或自身有運動中暈厥等警訊,應主動加做心電圖與心臟超音波。

Q3:睡夢中猝死是怎麼回事?

夜間同樣可能發生致命心律不整,尤其是長 QT 症候群等電氣性疾病。這說明猝死不限於運動當下,也解釋了為何高強度訓練者同樣無法免疫。

Q4:運動員的賽前檢查包括哪些?

常規是 AHA 14 點問卷(家族史、暈厥史、胸痛、心悸等)加理學檢查;部分國家與聯賽另加 12 導程心電圖。高風險者會進一步做心臟超音波。

Q5:遇到有人心臟驟停該怎麼辦?

立即呼叫急救、開始 CPR 胸外按壓(每分鐘 100 至 120 下),並盡快取得 AED 電擊除顫。每提早一分鐘除顫,存活率提高約 7 至 10%——旁觀者出手是存活關鍵。

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