CBS 2019
CBSMD教育中心
中 文

科学研究

Abstract

Recommended Article

Aggressive lipid-lowering therapy after percutaneous coronary intervention – for whom and how? AIM2-driven inflammasome activation in heart failure Disrupting Fellow Education Through Group Texting: WhatsApp in Fellow Education? Screening for Atrial Fibrillation With Electrocardiography US Preventive Services Task Force Recommendation Statement Coronary Angiography after Cardiac Arrest — The Right Timing or the Right Patients? Alirocumab Reduces Total Nonfatal Cardiovascular and Fatal Events in the ODYSSEY OUTCOMES Trial Healthy Behavior, Risk Factor Control, and Survival in the COURAGE Trial Optimal medical therapy improves clinical outcomes in patients undergoing revascularization with percutaneous coronary intervention or coronary artery bypass grafting: insights from the Synergy Between Percutaneous Coronary Intervention with TAXUS and Cardiac Surgery (SYNTAX) trial at the 5-year follow-up

Clinical Trial2019 Feb 11;12(3):274-284.

JOURNAL:JACC Cardiovasc Interv. Article Link

Pulmonary Artery Denervation Significantly Increases 6-minute Walk Distance for Patients with Combined Pre- and Post-capillary Pulmonary Hypertension Associated with the Left Heart Failure: PADN-5 Study

H Zhang, YL Han and SL Chen et al. Keywords: pulmonary hypertension; pulmonary artery denervation; 6-minute walk distance; heart failure

ABSTRACT



BACKGROUND - Pulmonary artery denervation (PADN) has been shown to improve hemodynamics of pulmonary arterial hypertension (PAH) in a series of patients. Additionally, benefits of targeted medical therapy for patients with combined pre- and post-capillary pulmonary hypertension (CpcPH) secondary to left sided heart failure are unknown.


OBJECTIVES - We sought to assess the benefits of PADN among CpcPH patients in a prospective, randomized sham-controlled trial.


METHODS - Ninety-eight CpcPH patients, defined as mean pulmonary arterial pressure ≥25 mmHg, pulmonary capillary wedge pressure >15 mmHg, and pulmonary vascular resistance (PVR] > 3.0 Woods Units, were randomly assigned to PADN or sildenafil plus sham PADN. Standard medical therapy for heart failure was administered to all patients in both groups. The primary endpoint was the increase in the 6-minute walk distance (6MWD) at the 6-month follow-up. The secondary endpoint was change in PVR. Clinical worsening was assessed in a post-hoc analysis. The main safety endpoint was occurrence of pulmonary embolism.


RESULTS - At 6-months, the mean increases in the 6MWD were 83 m in the PADN group and 15 m in the sildenafil group (least square mean difference 66 m, 95% confidence interval 38.2 to 98.8; p < 0.001). PADN treatment was associated with a significantly lower PVR than in the sildenafil group (4.2 ± 1.5 vs. 6.1 ± 2.9 Wood Units, p = 0.001). Clinical worsening was less frequent in the PADN group compared to the sildenafil group (16.7% vs. 40%, p = 0.014). At the end of the study, there were 7 all-cause deaths and 2 cases of pulmonary embolism.


CONCLUSIONS - PADN is associated with significant improvements in hemodynamic and clinical outcomes in patients with CpcPH. Further studies are warranted to define its precise role in the treatment of this patient population.