抽血太多 病患恐貧血

[joelin]

（窮） (石化)

http://tw.news.yahoo.com/article/url/d/ ... 2wnna.html

抽血檢查要計較 太多病患恐貧血
更新日期:2011/08/11 00:07 【記者蘇湘雲／綜合外電報導】
心臟病患住院治療常需抽血檢查。美國研究發現，每5名住院病患中會有1人因抽血太多而貧血，警告這對心臟病情非常不利，嚴重甚至可能致死。


這份發表於「內科醫學檔案」的研究指出，抽血檢查過於頻繁容易引起貧血，患者出院後貧血症狀往往持續1個月以上，這很可能讓心臟病更為惡化，許多患者出院後感覺狀況變差，死亡率也跟著上升。


貧血患者的紅血球細胞數量很少，而紅血球專門運送氧氣到身體各組織，紅血球數不足身體就會缺氧。


美國聖路克醫院中美心臟與血管研究所團隊進行這項研究發現，心臟病住院患者接受抽血檢查，1個人平均抽血173.8毫升，而抽血量約100毫升的患者較不容易產生中、重度貧血。


研究建議，住院患者抽血最好使用兒科用抽血管，可減少血液流失；盡量減少抽血量也可避免貧血。

[wipten]

嚴重甚至可能致死 ???


討誠意嗎 ?

[Lionet]

我對減少抽血沒什麼意見，但我對這樣的研究還蠻感興趣的。

到底是因為抽血導致的貧血，還是因為病患的病情導致後來的貧血及住院中需要抽較多的血來追蹤，我想是沒有辦法從回溯性的資料中去區分出來。

如果能區分的出來，雖然是回溯性的文章，但沒有上NEJM或Lancet實在太可惜了；如果區分不出來，那這個研究的結論就是個屁。

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