疾病預防系列 | 膽固醇與心臟病 - 心臟科專科羅君健醫生

香港心臟專科中心 May 27, 2025
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疾病預防系列:膽固醇與心臟病 主講:心臟科專科羅君健醫生 心臟病是香港常見的健康問題,膽固醇水平的管理對預防心臟病至關重要。心臟科專科羅君健醫生來到社區康健中心,為市民講解膽固醇與心臟病的關係。 #心臟病 的種類繁多,不僅僅是血管堵塞,還包括 #心肌病、 #心臟衰竭和心瓣膜疾病。這些疾病可能是遺傳性的,也可能由其他健康問題引起,如高血壓和糖尿病。膽固醇過高是導致心臟病的重要因素之一,會引起動脈粥樣硬化,進而影響心臟的正常運作。以下的講座內容將深入探討這些問題,並提供有效的管理和預防措施。 #心臟病的種類 心臟病不僅僅是血管堵塞,還包括心肌病、心臟衰竭和心瓣膜疾病。心肌病可能是遺傳性的,導致心肌肥厚和心口痛。心臟衰竭則是心臟無法正常泵血,導致氣喘、疲累和腳部腫脹。心瓣膜疾病包括心瓣狹窄和血液倒流,嚴重時需要換心瓣。 冠心病與膽固醇 #冠心病 是由冠狀動脈堵塞引起的,膽固醇過高會導致動脈粥樣硬化,血管內壁變窄,影響血液供應。典型症狀包括心絞痛,患者在運動時感到胸口不適,甚至冒冷汗。急性心肌梗塞則是血管突然閉塞,導致心臟肌肉壞死,可能引發心律不正和猝死。 #膽固醇 的影響 膽固醇高不僅影響心臟血管,還會導致腦血管堵塞引起中風,或周邊動脈疾病影響腿部血管,導致走路時腿部血液供應不足以引起小腿疼痛。 什麼才是理想的膽固醇水平? 每個人的理想膽固醇水平也不同,視乎他有沒有心腦血管病,又或者出現這些情況的風險高低而決定,很多大型研究及國際醫學專業團體也有清晰的指引。 已經患有冠心病、做個通波仔手術或曾經中風的人士屬於非常高風險一族,壞膽固醇應保持1.4mmol/l 或以下;長期糖尿病超過10年以上,或者例行電腦掃描顯示已患有冠心病的情況,這都屬於高風險,壞膽固醇應保持1.8mmol/l 或以下;風險較低人士,壞膽固醇也應該保持2.6mmol/l 或以下。普通健康成年人也應該保持壞膽固醇3.0mmol/l 或以下。 脂蛋白a (Lipoprotein a) 除了傳統的膽固醇指標,大型科學研究發現脂蛋白a也是一個重要的指標,水平高低取決於個人的基因,度數過高會增加心臟病發的風險。所以高脂蛋白a水平的患者需要更加嚴格地控制膽固醇,以降低心臟病發的風險。 膽固醇的管理 良好的生活習慣有助保持理想的膽固醇水平。飲食方面,應避免高脂肪和煎炸食物;多吃魚類、白肉和清淡食物。規律運動、健康的生活習慣和適當地控制體重也可幫助降低膽固醇水平。 如果屬於高風險一族,又或者透過運動及飲食調控也不能夠改善膽固醇水平,好多時我們都需要配合藥物治療,這些可以包括口服及針劑的藥物,選擇亦不只一種。很多大型研究都證明它們能有效減低心臟病發、中風以及死亡風險,嚴重的副作用也不常見。 你需要檢測膽固醇嗎? 如果你屬於高風險族群,必須要定期監察膽固醇的度數,如果情況穩定度數又理想,醫生一般會每年化驗一次,但如果度數並不理想,又或者藥物調整過後,醫生可能會三四個月之後再作化驗去監察成效。如果你係相對健康一族,而家族亦沒有心血管病病史,都應該40歲開始定期檢查。但若家族很多人年輕時已患有心血管疾病或遺傳性膽固醇高的問題,就應該更早檢查。 總結 膽固醇與心臟病有著密切的關係,高膽固醇水平會增加冠心病、中風和周邊動脈疾病的風險。通過飲食控制、藥物治療和生活方式改變,可以有效管理膽固醇水平,降低突發心肌梗塞、中風及死亡的風險。定期檢測膽固醇水平,並根據個人風險制定個性化的治療方案,對保障自己健康非常重要。 資訊由【屯門地區康健中心】提供 更多有關心臟科的資訊已上載至香港心臟專科中心YouTube Channel, 歡迎瀏覽及訂閱頻道: YouTube Channel: ‪@hongkongcardiaccentre‬‬ #心臟醫生會客室 #心臟病 #關注心臟健康 #心臟疾病 #心臟健康 #心臟科醫生 #香港心臟專科中心 #羅君健醫生 #膽固醇 #心臟健康 #心血管電腦掃描 #動脈粥樣硬化

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