Shaw T R
Department of Cardiology, Western General Hospital, Edinburgh.
Br Heart J. 1992 Mar;67(3):263-5. doi: 10.1136/hrt.67.3.263.
The Inoue balloon was used for dilatation of tricuspid stenosis in a 74 year old woman. The valve was reached by an over-the-wire approach with a 0.025 exchange length guide wire. The Inoue stylet would not reach the tricuspid orifice because the right atrium was so large. The Inoue balloon's special dilatation characteristics allowed good positioning at the tricuspid orifice. After dilatation to 27.5 mm, the pressure drop across the valve was reduced from 12 to 5 mm Hg. Further dilatation at 30 mm, however, created moderately severe tricuspid reflux without a further reduction of gradient. The Inoue balloon is suitable for dilatation of tricuspid stenosis but small increments in dilatation size may be required for optimal reduction in gradient without creating significant reflux.
一位74岁女性使用Inoue球囊扩张三尖瓣狭窄。通过使用0.025交换长度导丝的经导丝途径到达瓣膜。由于右心房过大，Inoue探条无法到达三尖瓣口。Inoue球囊的特殊扩张特性使其能够在三尖瓣口良好定位。扩张至27.5毫米后，瓣膜两端的压力阶差从12毫米汞柱降至5毫米汞柱。然而，进一步扩张至30毫米时，产生了中度严重的三尖瓣反流，且压力阶差未进一步降低。Inoue球囊适用于三尖瓣狭窄的扩张，但可能需要小幅度增加扩张尺寸，以在不产生明显反流的情况下实现压力阶差的最佳降低。
