Conclusion This simple method could effectively prevent RAAS , and worthy recommending.

结论:利多卡因宫颈麻醉用于人工流产达到镇痛及预防raas发生,其方法安全易行,值得推广.

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But in risk cardiovascular risk maybe RAAS inhibitors combined with calcium channel blockers may be better.

但是在具有心血管高危因素的患者中,RAAS抑制剂与钙通道阻滞剂合用效果更好.

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