Anna Bauer1, Markus Khalil1, Monika Lüdemann1, Jürgen Bauer1, Anoosh Esmaeili2, Roberta De-Rosa3, Norbert F Voelkel4, Hakan Akintuerk1, Dietmar Schranz5,6. 1. Hessen Pediatric Heart Center, Justus Liebig University Clinic Giessen, Giessen, Germany. 2. Hessen Pediatric Heart Center, Johann-Wolfgang Goethe University Hospital Frankfurt, Theodor-Storm-Kai. 7, 60590, Frankfurt, Germany. 3. Cardiovascular Department, University of Salerno, Fisciano, Italy. 4. Free University Medical Center (VUMC) Amsterdam, Amsterdam, The Netherlands. 5. Hessen Pediatric Heart Center, Justus Liebig University Clinic Giessen, Giessen, Germany. dietmar.schranz@kgu.de. 6. Hessen Pediatric Heart Center, Johann-Wolfgang Goethe University Hospital Frankfurt, Theodor-Storm-Kai. 7, 60590, Frankfurt, Germany. dietmar.schranz@kgu.de.
Abstract
BACKGROUND: Left atrial decompression is considered in patients with symptomatic heart failure with preserved ejection fraction (HFpEF). We aimed to evaluate the feasibility and efficacy of transcatheter generation of a restrictive atrial septum communication to manage HFpEF from infancy to adulthood with cardiomyopathy and congenital heart defect. METHODS AND RESULTS: From June 2009 to December 2016, 24 patients (50% with an age less than 16 years) with HFpEF were palliated; NYHA-/Ross class IV (n = 10); median systemic ventricular ejection fraction 64 (range 35-78) %. Cardiomyopathy was classified as a restrictive (n = 4) or hypertrophic (n = 2). (75% related to congenital heart defects) Three patients had a systemic right ventricle; in the majority of patients, HFpEF was associated to complex congenital heart defects (n = 18). Mean pulmonary arterial pressures (PAP systolic/diastolic) were 56/28 (± 24/13), left atrial pressures (LAP, v-, a-wave, mean) 26/25/20 (± 7/10/6). Trans-septal puncture was used in 22 patients; foramen ovale dilatation in 2 patients. Median balloon size was 12 (range 6-18) mm; procedure time including diagnostic measures 125 (83-221) min. No procedural death or complications were observed. Mean LA-pressures decreased significantly to 19/19/15 ± 6/8/5 mmHg (p = 0.05); median brain natriuretic peptide (BNP) decreased from 392 (range 93-4401) pg/ml median BNP to 314 (range 61-1544) pg/ml (p = 0.05). Three patients died; one patient received orthotopic heart and one patient a heart-lung transplantation. No patient required so far an assist device. Clinical improvement occurred in all patients, in some after additional surgical or interventional approach. CONCLUSIONS: Transcatheter LA decompression is an age-independent, effective palliation treating patients with HFpEF.
BACKGROUND: Left atrial decompression is considered in patients with symptomatic heart failure with preserved ejection fraction (HFpEF). We aimed to evaluate the feasibility and efficacy of transcatheter generation of a restrictive atrial septum communication to manage HFpEF from infancy to adulthood with cardiomyopathy and congenital heart defect. METHODS AND RESULTS: From June 2009 to December 2016, 24 patients (50% with an age less than 16 years) with HFpEF were palliated; NYHA-/Ross class IV (n = 10); median systemic ventricular ejection fraction 64 (range 35-78) %. Cardiomyopathy was classified as a restrictive (n = 4) or hypertrophic (n = 2). (75% related to congenital heart defects) Three patients had a systemic right ventricle; in the majority of patients, HFpEF was associated to complex congenital heart defects (n = 18). Mean pulmonary arterial pressures (PAP systolic/diastolic) were 56/28 (± 24/13), left atrial pressures (LAP, v-, a-wave, mean) 26/25/20 (± 7/10/6). Trans-septal puncture was used in 22 patients; foramen ovale dilatation in 2 patients. Median balloon size was 12 (range 6-18) mm; procedure time including diagnostic measures 125 (83-221) min. No procedural death or complications were observed. Mean LA-pressures decreased significantly to 19/19/15 ± 6/8/5 mmHg (p = 0.05); median brain natriuretic peptide (BNP) decreased from 392 (range 93-4401) pg/ml median BNP to 314 (range 61-1544) pg/ml (p = 0.05). Three patients died; one patient received orthotopic heart and one patient a heart-lung transplantation. No patient required so far an assist device. Clinical improvement occurred in all patients, in some after additional surgical or interventional approach. CONCLUSIONS: Transcatheter LA decompression is an age-independent, effective palliation treating patients with HFpEF.
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