科普專欄–薯不揀單 - 三十秒科學–綠痰是否一定等於有細菌感染？

痰呈綠色，是否一定等於有細菌感染呢?483Please respect copyright.ＰＥＮＡＮＡc67R7mcVKA
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(圖2)我們身體其中一種免疫細胞含有一種酶素名為Myeloperoxidase，它在結晶狀態下會呈綠色。483Please respect copyright.ＰＥＮＡＮＡrS0VBJkfM9
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因此，痰呈綠色的其中一道原因就是免疫細胞在大開殺戒中，其綠色的酶素不經意間殘留在痰液裡頭。483Please respect copyright.ＰＥＮＡＮＡfVneKAgl10
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而另一個痰呈綠色的可能性，就是病人不幸受到綠膿桿菌感染。483Please respect copyright.ＰＥＮＡＮＡOMaNXeE5HN
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綠膿桿菌內含藍綠色的綠膿素(pyocyanin)，綠膿素能侵害宿主的抗氧化功能，甚至能影響細胞製造能源的機制，非常惡毒。483Please respect copyright.ＰＥＮＡＮＡDXgc7iUR7D
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而這病菌則較常在慢性肺炎患者的痰液中找得到。483Please respect copyright.ＰＥＮＡＮＡyHaAliMsHe
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(圖3)但是，就算痰呈黃色或綠色，亦不等於病人一定是受到細菌感染。483Please respect copyright.ＰＥＮＡＮＡacXdsBibZ8
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有研究找來相似年齡、性別、職業甚至是吸煙習慣的組別作對照，發現出現黃綠痰徵狀者無論給予抗生素與否，他們的康復速度及情況均無顯著分別。483Please respect copyright.ＰＥＮＡＮＡeo7XswF158
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因此，單純依憑痰的顏色是並不能夠作出正確的治療判斷。483Please respect copyright.ＰＥＮＡＮＡHZlFKAmi7b
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如果想我快啲出文的話，請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark，這對我非常之重要。483Please respect copyright.ＰＥＮＡＮＡDtiIPf3Cul
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https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio483Please respect copyright.ＰＥＮＡＮＡfGZbQjggro
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Ref1:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1688091/?page=4483Please respect copyright.ＰＥＮＡＮＡJLKftAWhs0
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2743764/483Please respect copyright.ＰＥＮＡＮＡ6Q2DlnzFDY

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