北大人民医院学者冠脉旋磨技术经验:“四大细节”决定成败

2017-12-11 佚名 中国循环杂志

冠状动脉介入治疗的旋磨技术的安全性仍是介入医生普遍关注的问题。


冠状动脉介入治疗的旋磨技术的安全性仍是介入医生普遍关注的问题。
 
北京大学人民医院马玉良、王伟民等在超适应证的几种情况下使用旋磨技术,获得很好的效果,且安全性好。
 
研究者在以下几项超适应证的情况下应用旋磨技术:静脉桥血管、大量血栓病变、无保护左主干病变、急性心肌梗死罪犯病变、大夹层病变、严重左心室功能不全(LVEF<30%)、严重三支病变、长病变(≥ 25 mm),成角病变(≥ 45°)。
 
研究者所在中心的旋磨技术的超适应证使用比例高达59.8%,其中 34.4% 的患者合并≥ 2 项超适应证情况,旋磨技术更多地应用于较为复杂的病情与病变。
 
研究者连续入选了接受旋磨治疗的112例患者、共119支病变。
 
对并发症分析发现,慢血流/无复流是旋磨过程中比较常见的并发症,119支病变旋磨过程中,7例(6.2%)患者出现了慢血流/无复流,超适应证使用组与适应证内使用组,并发症发生率无差异(4.5% vs 8.9%)。
 
研究者表示,该研究中的慢血流/无复流发生率低,及其他严重并发症罕见,操作细节可能是降低旋磨并发症重要基础。
 
首先,选择旋磨头尺寸较小,病例中选取的最大磨头直径/血管直径为0.50±0.05。
 
其次,旋磨转速为 145 000~180 000 r/min,大多数患者在150 000~160 000 r/min之间完成旋磨治疗;
 
再有,就是旋磨技术手法,统一使用磨头快速推进/后撤,类似于“啄食”动作。
 
最后,每次旋磨时间较短,为 15~30 s,间隔时间 30 s~2 min,这样可能减少旋磨碎屑的大量累积,降低慢血流/无复流发生。
 
接受旋磨治疗患者住院期间,1 例(0.9%)患者发生了急性支架内血栓,出现在适应证内使用组,经 PTCA处理后患者顺利出院。
 
1例(0.9%)患者发生了心原性死亡,出现于超适应证使用组。
 

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    2017-12-24 1e145228m78(暂无匿称)

    学习了谢谢作者分享!

    0

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    2017-12-17 虈亣靌

    学习了.很好的话题.

    0

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    2017-12-12 1209e435m98(暂无昵称)

    学习了.谢谢分享!

    0

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