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?478Please respect copyright.ＰＥＮＡＮＡBRDqI5VN7b
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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。478Please respect copyright.ＰＥＮＡＮＡKcpxDCOOan
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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。478Please respect copyright.ＰＥＮＡＮＡpWrcrttiBb
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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。478Please respect copyright.ＰＥＮＡＮＡ76US0oQfNo
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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。478Please respect copyright.ＰＥＮＡＮＡRlQEhDDyZa
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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。478Please respect copyright.ＰＥＮＡＮＡaHm8bTQY8Q
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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。478Please respect copyright.ＰＥＮＡＮＡmgE3Uk3hrJ
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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。478Please respect copyright.ＰＥＮＡＮＡfFWAE3pTl3
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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。478Please respect copyright.ＰＥＮＡＮＡTDQus9xgwC
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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。478Please respect copyright.ＰＥＮＡＮＡgrEnrN17JH
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同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」，以課金的方式推動我繼續搜羅資料寫文，多謝。478Please respect copyright.ＰＥＮＡＮＡujcJo6RnA4
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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/portfolio478Please respect copyright.ＰＥＮＡＮＡFCk1Fthft5
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除非Facebook及IG重開侵侵的account，否則我的IG將不會再作更新，只會寄居本土LIHKG及Penana。478Please respect copyright.ＰＥＮＡＮＡwNNrAGtoDe
Ref1:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1688091/?page=4478Please respect copyright.ＰＥＮＡＮＡx8k6akt9hE
Ref2:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2743764/478Please respect copyright.ＰＥＮＡＮＡkV1IR2aJGO

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