这些患者术中出血量增多的风险率将增高。
Such patients may be at higher risk of increased peri-operative bleeding.
结果了该法降低了术中出血量，缩短了手术时间。
Results Blood loss was lessened and operation time shortened.
结果：术中出血量，观察组多于对照组，两组比较差异有显著性（P0.05）。
Results:Amount of bleeding during operation was more in observation group than control group, with significant difference(P0.05).
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