最常见的严重不良反应是肺部栓塞(肺有血凝块)，脱水，深静脉血栓和贫血。

The most common serious adverse events were pulmonary embolism (blood clot in the lungs), dehydration, deep vein thrombosis and anemia.

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有可能是一个历史上频繁的血凝块。

There may be a history of frequent blood clots .

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所以我们有制造血凝块的倾向，这个血凝块会封闭冠状血管。

So we have a greater tendency to make thrombi that can occlude the coronary vessels.

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新闻网-本周英国医学杂志的专家说，每年在英国医院有25，000例患者因预防血凝块（静脉血栓栓塞VTE）失败而导致的不必要的死亡。

Newswise — Up to 25,000 people may die needlessly each year due to the failure to prevent blood clots known as venous thromboembolisms (VTE) in UK hospitals, say experts in this week's BMJ.

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一次注血组有陈旧性血凝块，但量较少，对照组无异常。

While there was few outmoded blood clot in the single injection group and there was abnormal the control group.

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一次注血组有陈旧性血凝块，但量较少，对照组无异常。

While there was few outmoded blood clot in the single injection group and there was abnormal the control group.

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