To demonstrate the feasibility and safety of performing elective percutaneous coronary intervention (PCI) during contrast reaction producing severe hypotension.

中文翻译：

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在对比剂引起的低血压期间进行选择性经皮冠状动脉介入治疗

证明在产生严重低血压的造影剂反应期间进行选择性经皮冠状动脉介入治疗 (PCI) 的可行性和安全性。