In some cases, new and abnormal blood vessels grow, and in other cases, existing blood vessels swell and leak, according to the U.S. National Eye Institute.
美国国家眼科研究所的研究者认为，该病变在某些情况下可表现为新生及异常血管的增生，而在另一些情况下亦可表现为原有的血管发生肿胀及渗出。
Fish abnormal curved while unilateral kidneys began to swell.
鱼体异常弯曲，同时单侧肾脏开始肿大。
Conclusions the main reasons of abnormal catheter removal were extremity swell and catheter obstruction, the emphatic prevention was nursing care.
结论肢体肿胀和导管堵塞是导致异常拔管的主要原因，防护重点在于各项护理操作的规范。
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