Conclusion PBMV operation takes high risk, and the heart jam is the most dangerous and common complication, so it is critica...

• 结论:二尖瓣球囊扩张风险大,心脏压塞是最危险、最常见的并发症之一,故加强术前准备,密切术中配合,及时抢救尤为重要。