经皮单球囊与双球囊肺动脉瓣成形术的对比观察

Comparative Study of Percutaneous Single and Double Balloon Pulmonary Valvuloplasty for Patients with Pulmonary Valve Stenosis

作者对经皮单球囊肺动脉瓣成形术１７例和双球囊扩张４０例的效果进行比较。扩张前两组右室收缩压分别为１１．７６±３．９４ｋＰａ（１ｋＰａ＝７．５ｍｍＨｇ）与１２．６１±４．３３ｋＰａ；跨瓣压差分别为８．１１±３．６８ｋＰａ与８．４０±４．６１ｋＰａ（Ｐ＞０．０５）。扩张后右室收缩压分别为６．４８±１．６６ｋＰａ与７．０５±３．４４ｋＰａ；跨瓣压差分别为２．０１±１．５１ｋＰａ与２．１５±１．７８ｋＰａ（Ｐ＞０．０５）。上述结果提示单球囊与双球囊扩张的效果相同。

Fifty-seven patients with pulmonary valve stenosis underwent percutaneous bal-loon pulmonary valvuloplasty(PBPV). There were 28 male and 29 female patients,mean age13.58 ±9.08 years, range 3～47 years. Seventeen cases were performed with a single balloon dilatation and 40 cases with double balloons,Before PBPV,the systolic pressure of right ventricle in the two groups were 11.76± 3.94 kPa and 12.61 ± 4.33 kPa,transvalvlar pulmonary valve gradients were 8.11± 3.68 kPa and 8.40±4.61 kPa respectively (P>0.05). After PBPV,the rigth ventricle sys-tolic pressure decreased to 6. 48± 1.66 kPa and 7. 05±3.44 kPa,transvavular pulrnonary valve gra-dients decreased to 2. 01 ± 1. 51 kPa and 2.15±1.78 kPa respectively (P> 0.05). This results showed no difference between single and double balloon dilatation. The indication,treatment results,complications of PBPV were discussed.