一氧化氮和米力农联合应用改善Fontan术后肺循环阻力的疗效

Objective Inhaled nitric oxide(iNO) has been successful used for patients with increased pulmonary vascular re- slstance (PVR) shortly after Fontan operation, but its withdrawal rebound remains a major concem. We hypothesized that iNO associ- ated with milrinone could provide additive benefits for pulmonary hemodynamics and reduce the occurrence of iNO withdrawal rebound. Methods Thirty-one patieats with high transpulmonary pressure gradient(TPG, >10mmHg) and arterial oxygen saturation(SatO2, 0.85) after modified fenestrated Fontan operation were prospectively randomized into two groups, I.e. , group iNO (iNO at 10 ppm, dynamics, arterial blood oxygenation and occurrence of withdrawal rebound were compared between the two groups.Results Com- bined application achieved following improvenents including (1) decrement of CVP [(19.6±3.5)% vs. (15.2±4.6)% in group iNO, P<0.05] and TPG [(18.2±4.8)% vs. (15.3±2.6)% in group iNO, P<0.05); and increment of systemic aterial pres- sure [(8.7±2.7)% vs. (5.2±3.1)% in group iNO, P<0.05].(2)improvement of arterial oxygen saturation[(9.3±3.2)% vs. (6.8±2.8)% in group iNO, P<0.05)]. (3)occurrence of withdrawal rebound were significantly lower in group iNO+ Mil (1 patient vs. 6 patients in group iNO, P<0.05). Conclusion Combined uae of iNO and milrinone provided additional benefits as compared with exclusive use d iNO for patients with elevated PVR after Fontan procdure.

Combined using nitric oxide and milrinone stabilizes pulmonary hemodynamics after Fontan procedure