Mechanisms and Prognosis of Intolerance to Angiotensin Receptor Neprilysin Inhibitors in Advanced Heart Failure: Insights from Vasodilator Challenge.

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Tác giả: Giacomo Angeli, Pier Paolo Bocchino, Giulio Cacioli, Michele Ciabatti, Valentina Colombo, Federico Conrotto, Luciana D'Angelo, Fabrizio D'Ascenzo, Federica De Donno, Ludovica De Fazio, Gaetano Maria De Ferrari, Guglielmo Gallone, Andrea Garascia, Piero Gentile, Paola Lilla Della Monica, Giampaolo Luzi, Gabriella Masciocco, Vanessa Peano, Vito Piazza, Stefano Pidello, Claudia Raineri, Federico Ranocchi, Fabio Sbaraglia, Ryan J Tedford, Alessandro Verde

Ngôn ngữ: eng

Ký hiệu phân loại: 627.12 Rivers and streams

Thông tin xuất bản: England : The Canadian journal of cardiology , 2025

Mô tả vật lý:

Bộ sưu tập: NCBI

ID: 165823

 BACKGROUND: Angiotensin receptor-neprilysin inhibitors (ARNI) intolerance is common in patients suffering advanced heart failure (AdHF) and may be associated with worse prognosis. During right heart catheterization (RHC), afterload reduction induced by vasodilator challenge may reproduce the hemodynamic effects of ARNI. Through sodium nitroprusside (NTP) infusion, we characterized the hemodynamic mechanisms of ARNI intolerance and explored its prognostic relevance in AdHF. METHODS: We performed a retrospective, multicenter study evaluating AdHF patients undergoing RHC with NTP infusion. Hemodynamic ARNI intolerance was defined as symptomatic hypotension requiring ARNI cessation. We collected clinical, echocardiographic and hemodynamic parameters at baseline and after vasodilator challenge and evaluated their association with ARNI intolerance and a composite clinical outcome of 1-year all cause death, urgent heart transplantation or LVAD implantation. RESULTS: Of 116 consecutive patients, hemodynamic ARNI intolerance had occurred in 26 (22.4%). Baseline hemodynamics were not associated with ARNI intolerance. After NTP infusion, smaller increase in stroke volume index (ΔSVi
  adj-OR per ml increase: 0.89, 95%CI 0.81-0.99, p=0.031) and higher pulmonary elastance (post-NTP Ea
  adj-OR per mmHg/mL increase: 6.49, 95%CI 1.04-40.46, p=0.045) were independently associated with hemodynamic ARNI intolerance. Patients with ARNI intolerance were more likely to experience the primary outcome (Kaplan Meier estimates: 73.0% vs 36.2%, p=0.021). Higher baseline RAP/PAWP (HR 8.57, 95%CI 2.23-32.89, p=0.002) and lower post-NTP SVi (HR 0.95, 95%CI 0.92-0.99, p=0.015) were independent predictors of adverse events. CONCLUSIONS: Among AdHF patients, ARNI intolerance is common and associated with worse outcomes. NTP infusion unveils exhausted hemodynamic reserve as its underlying mechanism and prognostic determinant.
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