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Piccinelli E, Grutter G, Pilati M, Rebonato M, Scalera ST, Adorisio R, Amodeo A, Ingrasciotta G, Mencarelli E, Galletti L, Butera G. Use of the CardioMEMS Device in Children and Patients with Congenital Heart Disease: A Literature Review. J Clin Med 2024; 13:4234. [PMID: 39064274 PMCID: PMC11277830 DOI: 10.3390/jcm13144234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2024] [Revised: 07/11/2024] [Accepted: 07/16/2024] [Indexed: 07/28/2024] Open
Abstract
The CardioMEMS HF System (Abbott, Abbott Park, IL) is the first FDA- and CE-Mark-approved device for monitoring patients with heart failure, significantly reducing hospitalizations and improving the quality of life for NYHA class III non-congenital adult patients. This device, implanted percutaneously, allows the direct monitoring of pulmonary arterial pressure with the wireless transfer of pressure data to the clinician, who can adjust the therapy remotely. Limited experience exists regarding its use in patients with congenital heart disease (CHD). CardioMEMS device implantation is feasible and safe in selected adults and children with CHD. The potential of the device to reduce heart failure hospitalizations in this population is enormous, but further multi-center studies are needed to demonstrate its efficacy.
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Affiliation(s)
- Enrico Piccinelli
- Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy (G.I.)
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, 10129 Torino, Italy
| | - Giorgia Grutter
- Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy (G.I.)
| | - Mara Pilati
- Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy (G.I.)
| | - Micol Rebonato
- Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy (G.I.)
| | | | - Rachele Adorisio
- Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy (G.I.)
| | - Antonio Amodeo
- Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy (G.I.)
| | | | - Erica Mencarelli
- Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy (G.I.)
| | - Lorenzo Galletti
- Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy (G.I.)
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Marshall V WH, Wright LK, Lampert BC, Salavitabar A, Daniels CJ, Rajpal S. Invasive Implanted Hemodynamic Monitoring in Patients With Complex Congenital Heart Disease: State-of-the-Art Review. Am J Cardiol 2024; 223:123-131. [PMID: 38761965 DOI: 10.1016/j.amjcard.2024.05.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 05/07/2024] [Accepted: 05/12/2024] [Indexed: 05/20/2024]
Abstract
As the number of patients with congenital heart disease (CHD) continues to increase, the burden of heart failure (HF) in this population requires innovative strategies to individualize management. Given the success of implanted invasive hemodynamic monitoring (IHM) with the CardioMEMSTM HF system in adults with acquired HF, this is often suggested for use in patients with CHD, though published data are limited to case reports and case series. Therefore, this review summarizes the available published reports on the use of IHM in patients with complex CHD, describes novel applications, and highlights future directions for study. In patients with CHD, IHM has been used across the lifespan, from age 3 years to adulthood, with minimal device-related complications reported. IHM uses include (1) prevention of HF hospitalizations; (2) reassessment of hemodynamics after titration of medical therapy without repeated cardiac catheterization; (3) serial monitoring of at-risk patients for pulmonary hypertension to optimize timing of heart transplant referral; (4) and hemodynamic assessment with exercise (5) or after ventricular assist device placement. IHM has the potential to reduce the number of cardiac catheterizations in anatomically complex patients and, in patients with Fontan circulation, IHM pressures may have prognostic implications. In conclusion, though further studies are needed, as patients with CHD age and HF is more prevalent, this tool may assist CHD physicians in caring for this complex patient population.
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Affiliation(s)
- William H Marshall V
- Department of Internal Medicine, Division of Cardiovascular Medicine, Ohio State University, Columbus, Ohio; Heart Center, Nationwide Children's Hospital, Columbus, Ohio.
| | - Lydia K Wright
- Heart Center, Nationwide Children's Hospital, Columbus, Ohio
| | - Brent C Lampert
- Department of Internal Medicine, Division of Cardiovascular Medicine, Ohio State University, Columbus, Ohio
| | | | - Curt J Daniels
- Department of Internal Medicine, Division of Cardiovascular Medicine, Ohio State University, Columbus, Ohio; Heart Center, Nationwide Children's Hospital, Columbus, Ohio
| | - Saurabh Rajpal
- Department of Internal Medicine, Division of Cardiovascular Medicine, Ohio State University, Columbus, Ohio; Heart Center, Nationwide Children's Hospital, Columbus, Ohio
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Muraoka M, Nagata H, Yamamura K, Sakamoto I, Ishikita A, Nishizaki A, Eguchi Y, Fukuoka S, Uike K, Nagatomo Y, Hirata Y, Nishiyama K, Tsutsui H, Ohga S. Long-Term Renal Involvement in Association with Fontan Circulation. Pediatr Cardiol 2024; 45:340-350. [PMID: 37966520 DOI: 10.1007/s00246-023-03334-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Accepted: 10/19/2023] [Indexed: 11/16/2023]
Abstract
Multiorgan dysfunction is a concern of Fontan patients. To clarify the pathophysiology of Fontan nephropathy, we characterize renal disease in the long-term observational study. Medical records of 128 consecutive Fontan patients [median age: 22 (range 15-37) years old] treated between 2009 and 2018 were reviewed to investigate the incidence of nephropathy and its association with other clinical variables. Thirty-seven patients (29%) showed proteinuria (n = 34) or < 90 mL/min/1.73 m2 of estimated glomerular filtration rate (eGFR) (n = 7), including 4 overlapping cases. Ninety-six patients (75%) had liver dysfunction (Forns index > 4.21). Patients with proteinuria received the Fontan procedure at an older age [78 (26-194) vs. 56 (8-292) months old, p = 0.02] and had a higher cardiac index [3.11 (1.49-6.35) vs. 2.71 (1.40-4.95) L/min/m2, p = 0.02], central venous pressure [12 (7-19) vs. 9 (5-19) mmHg, p < 0.001], and proportion with > 4.21 of Forns index (88% vs. 70%, p = 0.04) than those without proteinuria. The mean renal perfusion pressure was lower in patients with a reduced eGFR than those without it [55 (44-65) vs. 65 (45-102) mmHg, p = 0.03], but no other variables differed significantly. A multivariable analysis revealed that proteinuria was associated with an increased cardiac index (unit odds ratio 2.02, 95% confidence interval 1.12-3.65, p = 0.02). Seven patients with severe proteinuria had a lower oxygen saturation than those with no or mild proteinuria (p = 0.01, 0.03). Proteinuria or a decreased eGFR differentially occurred in approximately 30% of Fontan patients. Suboptimal Fontan circulation may contribute to the development of proteinuria and reduced eGFR.
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Affiliation(s)
- Mamoru Muraoka
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582, Japan
| | - Hazumu Nagata
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582, Japan.
| | - Kenichiro Yamamura
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582, Japan
| | - Ichiro Sakamoto
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Ayako Ishikita
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Akiko Nishizaki
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Yoshimi Eguchi
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582, Japan
| | - Shoji Fukuoka
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582, Japan
| | - Kiyoshi Uike
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582, Japan
| | - Yusaku Nagatomo
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582, Japan
| | - Yuichiro Hirata
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582, Japan
| | - Kei Nishiyama
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582, Japan
| | - Hiroyuki Tsutsui
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Shouichi Ohga
- Department of Pediatrics, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582, Japan
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Marshall WH, Rajpal S, Mah ML, Armstrong AK, Salavitabar A, Hickey J, Metzger R, Sisk T, Daniels CJ. Early Experience and Lessons Learned Using Implanted Hemodynamic Monitoring in Patients With Fontan Circulation. J Am Heart Assoc 2023; 12:e031836. [PMID: 38063189 PMCID: PMC10863767 DOI: 10.1161/jaha.123.031836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 11/14/2023] [Indexed: 12/20/2023]
Abstract
BACKGROUND Data on the use of implanted hemodynamic monitoring (IHM) in patients with Fontan circulation are limited. This study reports our experience using the CardioMEMS HF system in adults with Fontan circulation. METHODS AND RESULTS This single-center, retrospective study evaluated heart failure hospitalizations, procedural complications, and device-related complications in patients with Fontan circulation referred for IHM placement (2015-2022). The association of pulmonary artery pressure (by most recent catheterization and median IHM pressure within 30 days of placement) with both death and follow-up Model for End-Stage Liver Disease Excluding International Normalized Ratio score were evaluated. Of 18 patients referred for IHM placement, 17 were successful (median age, 30 [range 21-48] years, 6 women). Procedural complications (access site hematomas, pulmonary artery staining) occurred in 3 patients, without device-related procedural complications. In follow-up (median, 35 [range, 6-83] months), 1 patient developed a pulmonary embolism (possibly device-related). Heart failure hospitalizations/year were similar before and after IHM (median, 1 [interquartile range, 0-1.0] versus 0.6 [0-2.3]; P=0.268), though only 46% of heart failure hospitalizations had associated IHM transmissions. IHM pressures were associated with Model for End-Stage Liver Disease Excluding International Normalized Ratio scores (R2=0.588, P<0.001), though catheterization pressures were not (R2=0.140, P=0.139). The long-term mortality rate was 53% in this cohort. On unadjusted survival analysis, IHM pressures ≥18 mm Hg were associated with mortality (log rank P=0.041), which was not reproduced with catheterization pressures (log rank P=0.764). CONCLUSIONS In patients with Fontan circulation, IHM did not reduce heart failure hospitalizations, though patient adherence to transmission was low. Device-related complications were low. IHM pressures may better represent real-life conditions compared with catheterization given associations with mortality and Model for End-Stage Liver Disease Excluding International Normalized Ratio score.
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Affiliation(s)
- William H. Marshall
- Division of Cardiovascular Medicine, Department of Internal MedicineThe Ohio State University Wexner Medical CenterColumbusOH
- Nationwide Children’s Hospital, The Heart CenterColumbusOH
| | - Saurabh Rajpal
- Division of Cardiovascular Medicine, Department of Internal MedicineThe Ohio State University Wexner Medical CenterColumbusOH
- Nationwide Children’s Hospital, The Heart CenterColumbusOH
| | - May Ling Mah
- Nationwide Children’s Hospital, The Heart CenterColumbusOH
| | | | | | - Jenne Hickey
- Nationwide Children’s Hospital, The Heart CenterColumbusOH
| | - Rachel Metzger
- Nationwide Children’s Hospital, The Heart CenterColumbusOH
| | - Tracey Sisk
- Nationwide Children’s Hospital, The Heart CenterColumbusOH
| | - Curt J. Daniels
- Division of Cardiovascular Medicine, Department of Internal MedicineThe Ohio State University Wexner Medical CenterColumbusOH
- Nationwide Children’s Hospital, The Heart CenterColumbusOH
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Leone D, Buber J, Shafer K. Exercise as Medicine: Evaluation and Prescription for Adults with Congenital Heart Disease. Curr Cardiol Rep 2023; 25:1909-1919. [PMID: 38117446 DOI: 10.1007/s11886-023-02006-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/22/2023] [Indexed: 12/21/2023]
Abstract
PURPOSE OF REVIEW Understanding exercise physiology as it relates to adult congenital heart disease (ACHD) can be complex. Here we review fundamental physiologic principles and provide a framework for application to the unique ACHD patient population. RECENT FINDINGS ACHD exercise participation has changed dramatically in the last 50 years. A modern approach focuses on exercise principles and individual anatomic and physiologic considerations. With an evolving better understanding of ACHD exercise physiology, we can strategize plans for patients to participate in dynamic and static exercises. Newly developed technologies including wearable devices provide additive information for ACHD providers for further assessment and monitoring. Preparation and assessment for ACHD patients prior to exercise require a thoughtful, personalized approach. Exercise prescriptions can be formulated to adequately meet the needs of our patients.
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Affiliation(s)
- David Leone
- Division of Cardiology, University of Washington, Seattle, WA, USA
| | - Jonathan Buber
- Division of Cardiology, University of Washington, Seattle, WA, USA
| | - Keri Shafer
- Boston Children's Hospital, Boston, MA, USA.
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Téllez L, Payancé A, Tjwa E, Del Cerro MJ, Idorn L, Ovroutski S, De Bruyne R, Verkade HJ, De Rita F, de Lange C, Angelini A, Paradis V, Rautou PE, García-Pagán JC. EASL-ERN position paper on liver involvement in patients with Fontan-type circulation. J Hepatol 2023; 79:1270-1301. [PMID: 37863545 DOI: 10.1016/j.jhep.2023.07.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 07/06/2023] [Indexed: 10/22/2023]
Abstract
Fontan-type surgery is the final step in the sequential palliative surgical treatment of infants born with a univentricular heart. The resulting long-term haemodynamic changes promote liver damage, leading to Fontan-associated liver disease (FALD), in virtually all patients with Fontan circulation. Owing to the lack of a uniform definition of FALD and the competitive risk of other complications developed by Fontan patients, the impact of FALD on the prognosis of these patients is currently debatable. However, based on the increasing number of adult Fontan patients and recent research interest, the European Association for The Study of the Liver and the European Reference Network on Rare Liver Diseases thought a position paper timely. The aims of the current paper are: (1) to provide a clear definition and description of FALD, including clinical, analytical, radiological, haemodynamic, and histological features; (2) to facilitate guidance for staging the liver disease; and (3) to provide evidence- and experience-based recommendations for the management of different clinical scenarios.
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Affiliation(s)
- Luis Téllez
- Gastroenterology and Hepatology Department, Hospital Universitario Ramón y Cajal, Madrid, Spain; Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), CIBEREHD (Centro de Investigación Biomédica en Red Enfermedades Hepáticas y Digestivas), University of Alcalá, Madrid, Spain
| | - Audrey Payancé
- DHU Unity, Pôle des Maladies de l'Appareil Digestif, Service d'Hépatologie, Hôpital Beaujon, AP-HP, Clichy, France; Université Denis Diderot-Paris 7, Sorbonne Paris Cité, Paris, France
| | - Eric Tjwa
- Department of Gastroenterology and Hepatology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - María Jesús Del Cerro
- Pediatric Cardiology Department, Hospital Universitario Ramón y Cajal, Madrid, Spain; Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), University of Alcalá, Madrid, Spain
| | - Lars Idorn
- Department of Pediatrics, Section of Pediatric Cardiology, Rigshospitalet, Copenhagen, Denmark
| | - Stanislav Ovroutski
- Department of Congenital Heart Disease/Pediatric Cardiology, Deutsches Herzzentrum Berlin, Berlin, Germany
| | - Ruth De Bruyne
- Department of Pediatric Gastroenterology, Hepatology and Nutrition, Ghent University Hospital, Belgium
| | - Henkjan J Verkade
- Department of Pediatrics, Beatrix Children's Hospital/University Medical Center Groningen, The Netherlands
| | - Fabrizio De Rita
- Adult Congenital and Paediatric Heart Unit, Freeman Hospital, Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle Upon Tyne, UK
| | - Charlotte de Lange
- Department of Pediatric Radiology, Queen Silvia Childrens' Hospital, Sahlgrenska University Hospital, Behandlingsvagen 7, 41650 Göteborg, Sweden
| | - Annalisa Angelini
- Pathology of Cardiac Transplantation and Regenerative Medicine Unit, Department of Cardiac, Thoracic and Vascular Sciences and Public Health, University of Padua, Padua, Italy
| | - Valérie Paradis
- Centre de recherche sur l'inflammation, INSERM1149, Université Paris Cité, Paris, France; Pathology Department, Beaujon Hospital, APHP.Nord, Clichy, France
| | - Pierre Emmanuel Rautou
- AP-HP, Service d'Hépatologie, Hôpital Beaujon, DMU DIGEST, Centre de Référence des Maladies Vasculaires du Foie, FILFOIE, Clichy, France; Université Paris-Cité, Inserm, Centre de recherche sur l'inflammation, UMR 1149, Paris, France
| | - Juan Carlos García-Pagán
- Barcelona Hepatic Hemodynamic Laboratory, Liver Unit, Hospital Clínic, Institut de Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Departament de Medicina i Ciències de la Salut, University of Barcelona, Barcelona, Spain; CIBEREHD (Centro de Investigación Biomédica en Red Enfermedades Hepáticas y Digestivas), Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN-Liver), Spain.
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Egbe AC, Younis A, Miranda WR, Jain CC, Burchill LJ, Dearani JA, Stephens EH, Connolly HM. Relation Between Preoperative Hypoxia and Postoperative Oxygen Saturation in Patients Post-Fontan Palliation Who Undergo Heart Transplant. Am J Cardiol 2023; 205:325-326. [PMID: 37633068 PMCID: PMC10798178 DOI: 10.1016/j.amjcard.2023.08.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Accepted: 08/07/2023] [Indexed: 08/28/2023]
Affiliation(s)
- Alexander C Egbe
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota.
| | - Ahmed Younis
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota
| | - William R Miranda
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota
| | - C Charles Jain
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota
| | - Luke J Burchill
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota
| | - Joseph A Dearani
- Department of Cardiovascular Surgery, Mayo Clinic, Rochester, Minnesota
| | | | - Heidi M Connolly
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota
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Miranda WR, Charles Jain C, Frantz RP, DuBrock HM, Connolly HM, Burchill LJ, Egbe AC. Effects of inhaled nitric oxide on Fontan hemodynamics in adults. J Heart Lung Transplant 2023; 42:1349-1352. [PMID: 37127071 DOI: 10.1016/j.healun.2023.04.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 04/24/2023] [Accepted: 04/27/2023] [Indexed: 05/03/2023] Open
Abstract
The pulmonary vasculature plays a pivotal role in the nonpulsatile systemic venous return post-Fontan palliation. Elevated pulmonary vascular resistance index (PVRi) carries a worse prognosis post-Fontan, but the benefits of pulmonary vasodilators remain controversial. Moreover, the potential for worsening ventricular filling pressures with pulmonary vasodilation has been highlighted. We reviewed our experience with inhaled nitric oxide (iNO) administration during cardiac catheterization in 30 adults (age 32.7 ± 8.5 years) post-Fontan. The main findings of the study are: (1) iNO decreased pulmonary artery pressures, transpulmonary gradient, and PVRi without increasing pulmonary artery wedge pressure, (2) cardiac index was unchanged with iNO, and (3) different from acquired left heart disease, iNO did not result in further elevations in pulmonary artery wedge pressure in those with elevated ventricular filling pressures. iNO administration in adults post-Fontan was safe; whether baseline PVRi and response to iNO could be used to predict response to pulmonary vasodilators post-Fontan requires further investigation.
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Affiliation(s)
| | - C Charles Jain
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN
| | - Robert P Frantz
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN
| | - Hilary M DuBrock
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN
| | - Heidi M Connolly
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN
| | - Luke J Burchill
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN
| | - Alexander C Egbe
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, MN
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9
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Kulshrestha K, Morales DLS. Myocardial support of the failing heart in adult congenital heart disease. Curr Probl Pediatr Adolesc Health Care 2023:101396. [PMID: 37391343 DOI: 10.1016/j.cppeds.2023.101396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/02/2023]
Affiliation(s)
- Kevin Kulshrestha
- The Heart Institute, Department of Cardiothoracic Surgery, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH 45229, United States
| | - David L S Morales
- The Heart Institute, Department of Cardiothoracic Surgery, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH 45229, United States.
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10
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Miranda WR, Jain CC, Borlaug BA, Jaffe AS, Connolly HM, Burchill LJ, Egbe AC. Exercise Capacity, NT-proBNP, and Exercise Hemodynamics in Adults Post-Fontan. J Am Coll Cardiol 2023; 81:1590-1600. [PMID: 37076213 DOI: 10.1016/j.jacc.2023.02.031] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 02/08/2023] [Accepted: 02/10/2023] [Indexed: 04/21/2023]
Abstract
BACKGROUND Cardiopulmonary exercise testing (CPET) and N-terminal pro-B-type natriuretic peptide (NT-proBNP) measurement are frequently performed in adults post-Fontan, but their correlations with exercise invasive hemodynamics are poorly understood. Moreover, whether exercise cardiac catheterization provides incremental prognostic information is unknown. OBJECTIVES The authors sought to correlate resting and exercise Fontan pressures (FP) and pulmonary artery wedge pressure (PAWP) with peak oxygen consumption (VO2) on CPET, NT-proBNP, and clinical outcomes. METHODS This was a retrospective cohort of 50 adults (age ≥18 years) post-Fontan undergoing supine exercise venous catheterization between 2018 and 2022. RESULTS Median age was 31.5 years (IQR: 23.7-36.5 years). Ventricular ejection fraction was 48.5% ± 13.0%. Exercise FP and PAWP were related to peak VO2 and ln NT-proBNP levels. Patients with peak VO2 <50% predicted had higher exercise FP (30.0 ± 6.8 mm Hg vs 19 mm Hg [IQR: 16-24 mm Hg]; P < 0.001) and PAWP (25.9 ± 6.3 mm Hg vs 15.1 ± 7.0 mm Hg; P <0.001) compared with those with more preserved exercise capacity. Exercise FP (30.0 ± 7.1 mm Hg vs 23.2 ± 7.2 mm Hg; P = 0.003) and PAWP (25.1 ± 6.7 mm Hg vs 18.8 ± 7.9 mm Hg; P = 0.006) were higher in those with NT-proBNP levels ≥300 pg/mL. During a follow-up of 0.9 years (IQR: 0.6-2.9 years), exercise FP and PAWP remained independently associated with a composite of death, cardiac transplantation, or hospitalization due to heart failure/refractory arrhythmias after adjusting for confounders. CONCLUSIONS In adults post-Fontan, resting and exercise FP and PAWP were inversely related to exercise capacity on noninvasive CPET, and exercise hemodynamics were directly related to NT-proBNP levels. Exercise FP and PAWP were independently associated with clinical outcomes and might be more sensitive than resting values to predict clinical outcomes.
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Affiliation(s)
- William R Miranda
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA.
| | - C Charles Jain
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Barry A Borlaug
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Allan S Jaffe
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Heidi M Connolly
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Luke J Burchill
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Alexander C Egbe
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
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11
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Martin de Miguel I, Kamath PS, Egbe AC, Jain CC, Cetta F, Connolly HM, Miranda WR. Haemodynamic and prognostic associations of liver fibrosis scores in Fontan-associated liver disease. Heart 2023; 109:619-625. [PMID: 36581444 DOI: 10.1136/heartjnl-2022-321435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 11/17/2022] [Indexed: 12/30/2022] Open
Abstract
OBJECTIVES Fontan-associated liver disease (FALD) is universal post-Fontan palliation; however, its impact on survival remains controversial and current diagnostic tools have limitations. We aimed to assess the prognostic role of liver fibrosis scores (aminotransferase to platelet ratio [APRI] and fibrosis-4 [FIB-4]) and their association with haemodynamics and other markers of liver disease. METHODS 159 adults (age ≥18 years) post-Fontan undergoing catheterisation at Mayo Clinic, Minnesota, between 1999 and 2017 were included. Invasive haemodynamics and FALD-related laboratory, imaging and pathology data were documented. RESULTS Mean age was 31.5±9.3 years, while median age at Fontan procedure was 7.5 years (4-14). Median APRI score (n=159) was 0.49 (0.33-0.61) and median FIB-4 score (n=94) was 1.12 (0.71-1.65). Correlations between APRI and FIB-4 scores and Fontan pressures (r=0.30, p=0.0002; r=0.34, p=0.0008, respectively) and pulmonary arterial wedge pressure (r=0.25, p=0.002; r=0.30, p=0.005, respectively) were weak. Median average hepatic stiffness by magnetic resonance elastography was 4.9 kPa (4.3-6.0; n=26) and 24 (77.4%) showed stage 3 or 4 liver fibrosis on biopsy; these variables were not associated with APRI/FIB-4 scores. On multivariable analyses, APRI and FIB-4 scores were independently associated with overall mortality (HR 1.31 [1.07-1.55] per unit increase, p=0.003; HR 2.15 [1.31-3.54] per unit increase, p=0.003, respectively). CONCLUSIONS APRI and FIB-4 scores were associated with long-term all-cause mortality in Fontan patients independent of other prognostic markers. Correlations between haemodynamic status and liver scores were weak; furthermore, most markers of liver fibrosis failed to correlate with non-invasive indices, underscoring the complexity of FALD.
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Affiliation(s)
| | - Patrick S Kamath
- Division of Gastroenterology and Hepatology, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Alexander C Egbe
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - C Charles Jain
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Frank Cetta
- Division of Pediatric Cardiology, Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Heidi M Connolly
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - William R Miranda
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
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12
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Body mass index and age are associated with ventricular end-diastolic pressure in adults with a Fontan circulation. Cardiol Young 2022; 32:1296-1301. [PMID: 34617506 DOI: 10.1017/s1047951121004091] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
INTRODUCTION Systemic ventricular end-diastolic pressure is an important haemodynamic variable in adult patients with Fontan circulation. Risk factors associated with elevated end-diastolic pressure have not been clearly identified in this population. METHODS All patients > 18 years with Fontan circulation who underwent cardiac catheterisation at our centre between 1/08 and 3/19 were included. Relevant patient variables were extracted. Univariate and multivariate general linear models were analysed to identify variables associated with end-diastolic pressure. RESULTS Forty-two patients were included. Median age was 24.0 years (20.9-29.0) with a body mass index of 23.7 kg/m2 (21.5-29.7). 10 (23.8%) patients had a systemic right ventricle. The median (Interquartile range) and mean pulmonary artery pressure were 11.0 mmHg (9.0-12.0) and 16.0 mmHg (13.0-18.0), respectively. On univariate analysis, end-diastolic pressure was positively associated with body mass index (p < 0.01), age > 25 years (p = 0.04), symptoms of heart failure (p < 0.01), systemic ventricular systolic pressure (p = 0.03), pulmonary artery mean pressure (p < 0.01), and taking diuretics (p < 0.01) or sildenafil (p < 0.01). End-diastolic pressure was negatively associated with aortic saturation (p < 0.01). On multivariate analysis, end-diastolic pressure was positively associated with age ≥ 25 years (p < 0.01), and body mass index (p = 0.04). CONCLUSIONS In a cohort of adult patients with Fontan circulation undergoing catheterisation, end-diastolic pressure was positively associated with age ≥ 25 years and body mass index on multivariate analysis. Maintaining a healthy body mass index may offer haemodynamic benefit in adults with Fontan physiology.
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13
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Sjöberg P, Liuba P, Arheden H, Heiberg E, Carlsson M. Non-invasive quantification of pressure-volume loops in patients with Fontan circulation. BMC Cardiovasc Disord 2022; 22:253. [PMID: 35668358 PMCID: PMC9169380 DOI: 10.1186/s12872-022-02686-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Accepted: 05/24/2022] [Indexed: 11/23/2022] Open
Abstract
Background Pressure–volume (PV) loops provide comprehensive information of cardiac function, but commonly implies an invasive procedure under general anesthesia. A novel technique has made it possible to non-invasively estimate PV loops with cardiac magnetic resonance (CMR) and brachial pressure which would enable good volume estimation of often anatomically complex ventricles without the need of anesthesia in most cases. In this study we aimed to compare how hemodynamic parameters derived from PV loops in patients with Fontan circulation differ to controls. Methods Patients with Fontan circulation (n = 17, median age 12 years, IQR 6–15) and healthy controls (n = 17, 14 years, IQR 13–22) were examined with CMR. Short axis balanced steady-state free-precession cine images covering the entire heart were acquired. PV loops were derived from left ventricular volumes in all timeframes and brachial blood pressure from cuff sphygmomanometry. Results Fontan patients had lower stroke work, ventricular mechanical efficiency and external power compared to controls. Fontan patients with dominant right ventricle had higher potential energy indexed to body surface area but lower contractility (Ees) compared to controls. Fontan patients had higher arterial elastance (Ea) and Ea/Ees ratio than controls. Contractility showed no correlation with ejection fraction (EF) in Fontan patients irrespective of ventricular morphology. No difference was seen in energy per ejected volume between Fontan patients and controls. Conclusions This non-invasive PV-loop method could be used in future studies to show the potential prognostic value of these measures and if changes in ventricular function over time can be detected earlier by this method compared to changes in ventricular volumes and EF. In contrast to patients with acquired heart failure, Fontan patients had similar energy per ejected volume as controls which suggests similar ventricular oxygen consumption to deliver the same volume in Fontan patients as in controls.
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Affiliation(s)
- Pia Sjöberg
- Department of Clinical Sciences, Clinical Physiology, Skåne University Hospital, Lund University, 221 85, Lund, Sweden.
| | - Petru Liuba
- Department of Clinical Sciences, Pediatric Heart Center, Skåne University Hospital, Lund University, Lund, Sweden
| | - Håkan Arheden
- Department of Clinical Sciences, Clinical Physiology, Skåne University Hospital, Lund University, 221 85, Lund, Sweden
| | - Einar Heiberg
- Department of Clinical Sciences, Clinical Physiology, Skåne University Hospital, Lund University, 221 85, Lund, Sweden
| | - Marcus Carlsson
- Laboratory of Clinical Physiology, NHLBI, National Institute of Health, Bethesda, USA
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14
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Miranda WR, Aboulhosn JA, Hagler DJ. Catheterization in Adults With Congenital Heart Disease: A Primer for the Noncongenital Proceduralist. JACC Cardiovasc Interv 2022; 15:907-921. [PMID: 35512915 DOI: 10.1016/j.jcin.2021.12.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 12/08/2021] [Accepted: 12/14/2021] [Indexed: 11/18/2022]
Abstract
Currently in the United States, more than 1 million adults have congenital heart disease. Therefore, it will be inevitable for providers performing cardiac catheterization to be faced with adults with repaired congenital heart abnormalities. Moreover, a meticulous approach to every cardiac catheterization procedure is mandatory to avoid missing unrecognized congenital lesions presenting in adulthood. The authors provide a primer for cardiac catheterization procedures in adults with congenital heart disease, reviewing key procedural components: flow calculation, detection of shunts according to different lesions, and, when indicated, ventricular angiography and coronary angiography.
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Affiliation(s)
- William R Miranda
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA.
| | - Jamil A Aboulhosn
- Division of Adult Cardiology, Ahmanson/UCLA Adult Congenital Heart Disease Center, Los Angeles, California, USA
| | - Donald J Hagler
- Division of Cardiology, Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, Minnesota, USA
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15
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The Fontan circulation: from ideal to failing hemodynamics and drug therapies for optimization. Can J Cardiol 2022; 38:1059-1071. [DOI: 10.1016/j.cjca.2022.04.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 04/13/2022] [Accepted: 04/14/2022] [Indexed: 12/19/2022] Open
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16
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Kramer P, Schleiger A, Schafstedde M, Danne F, Nordmeyer J, Berger F, Ovroutski S. A Multimodal Score Accurately Classifies Fontan Failure and Late Mortality in Adult Fontan Patients. Front Cardiovasc Med 2022; 9:767503. [PMID: 35360016 PMCID: PMC8960137 DOI: 10.3389/fcvm.2022.767503] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 02/02/2022] [Indexed: 11/23/2022] Open
Abstract
Objectives Despite the outstanding success of the Fontan operation, it is a palliative procedure and a substantial number of patients experience late failure of the Fontan circulation. Clinical presentation and hemodynamic phenotypes of Fontan failure are considerably variable. While various parameters have been identified as risk factors for late Fontan failure, a feasible score to classify Fontan failure and possibly allow timely risk stratification is lacking. Here, we explored the possibility of developing a score based on hemodynamic, clinical and laboratory parameters to classify Fontan failure and mortality. Methods We performed a retrospective study in our cohort of adult Fontan patients from two institutions [n = 198, median follow-up after Fontan 20.3 (IQR 15.6–24.3) years], identifying those patients with clinical Fontan failure (n = 52, 26.3%). Various hemodynamic, echocardiographic, laboratory and clinical data were recorded and differences between patients with and without Fontan failure were analyzed. We composed a Fontan Failure Score containing 15 parameters associated with Fontan failure and/or mortality and assessed its accuracy to discriminate between patients with and without late Fontan failure as well as late mortality and survival. Results Late failure occurred at a median of 18.2 (IQR 9.1–21.1) years after Fontan completion. Mortality associated with Fontan failure was substantial (25/52, 48.1%) with freedom of death/transplantation/take-down of 64% at 5 years and 36% at 10 years after onset of Fontan failure, respectively. Patients with Fontan failure had a significantly higher median Fontan Failure Score compared to non-failing Fontan patients [8 points (IQR 5–10) vs. 2 points (IQR 1-5), p < 0.001]. The score accurately classifies Fontan failure as well as mortality as assessed with receiver operating characteristic analysis. Area under the curve of the Fontan Failure Score was 0.963 (95% CI 0.921; 0.985, p < 0.001) to discriminate failure and 0.916 (95% CI 0.873; 0.959, p < 0.001) to classify mortality. Conclusion We have developed an uncomplex yet remarkably accurate score to classify Fontan failure and late mortality in adult Fontan patients. Prospective validation and most likely refinement and calibration of the score in larger and preferably multi-institutional cohorts is required to assess its potential to predict the risk of Fontan failure and late mortality.
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Affiliation(s)
- Peter Kramer
- Department of Congenital Heart Disease/Pediatric Cardiology, German Heart Centre Berlin, Berlin, Germany
- *Correspondence: Peter Kramer
| | - Anastasia Schleiger
- Department of Congenital Heart Disease/Pediatric Cardiology, German Heart Centre Berlin, Berlin, Germany
| | - Marie Schafstedde
- Department of Congenital Heart Disease/Pediatric Cardiology, German Heart Centre Berlin, Berlin, Germany
- Institute for Cardiovascular Computer-Assisted Medicine, Charité - Universitätsmedizin Berlin, Berlin, Germany
- Berlin Institute of Health, Berlin, Germany
| | - Friederike Danne
- Department of Congenital Heart Disease/Pediatric Cardiology, German Heart Centre Berlin, Berlin, Germany
| | - Johannes Nordmeyer
- Department of Congenital Heart Disease/Pediatric Cardiology, German Heart Centre Berlin, Berlin, Germany
| | - Felix Berger
- Department of Congenital Heart Disease/Pediatric Cardiology, German Heart Centre Berlin, Berlin, Germany
- Department of Pediatric Cardiology, Charité - Universitätsmedizin Berlin, Campus Virchow-Klinikum, Berlin, Germany
- German Centre for Cardiovascular Research (DZHK), Partner Site Berlin, Berlin, Germany
| | - Stanislav Ovroutski
- Department of Congenital Heart Disease/Pediatric Cardiology, German Heart Centre Berlin, Berlin, Germany
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17
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Invasive Hemodynamic Evaluation of the Fontan Circulation: Current Day Practice and Limitations. Curr Cardiol Rep 2022; 24:587-596. [PMID: 35230616 DOI: 10.1007/s11886-022-01679-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/03/2022] [Indexed: 12/29/2022]
Abstract
PURPOSE OF REVIEW Establishing the Fontan circulation has led to improved survival in patients born with complex congenital heart diseases. Despite early success, the long-term course of Fontan patients is complicated by multi-organ dysfunction, mainly due to a combination of low resting and blunted exercise-augmented cardiac output as well as elevated central venous (Fontan) pressure. Similarly, despite absolute hemodynamic differences compared to the normal population with biventricular circulation, the "normal" ranges of hemodynamic parameters specific to age-appropriate Fontan circulation have not been well defined. With the ever-increasing population of patients requiring Fontan correction, it is of utmost importance that an acceptable range of hemodynamics in this highly complex patient cohort is better defined. RECENT FINDINGS Multiple publications have described hemodynamic limitations and potential management options in patients with Fontan circulation; however, an acceptable range of hemodynamic parameters in this patient population has not been well defined. Identification of "normal" hemodynamic parameters among patients with Fontan circulation will allow physicians to more objectively define indications for intervention, which is a necessary first step to eliminate institutional and regional heterogeneity in Fontan management and potentially improve long-term clinical outcomes.
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18
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Inai K, Inuzuka R, Ono H, Nii M, Ohtsuki S, Kurita Y, Takeda A, Hirono K, Takei K, Yasukouchi S, Yoshikawa T, Furutani Y, Shimada E, Shinohara T, Shinozaki T, Matsuyama Y, Senzaki H, Nakanishi T. Predictors of long-term mortality among perioperative survivors of Fontan operation. Eur Heart J 2021; 43:2373-2384. [PMID: 34888643 DOI: 10.1093/eurheartj/ehab826] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 09/12/2021] [Accepted: 11/17/2021] [Indexed: 01/02/2023] Open
Abstract
AIMS The criteria for 'good' Fontan haemodynamics have been poorly defined in relation to long-term outcomes. The aim of this study was to identify the risk factors for mortality among haemodynamic parameters obtained early after the Fontan operation. METHODS AND RESULTS Clinical data of all perioperative survivors of the Fontan operation performed before 2011, from nine institutions, were collected through a retrospective chart review. In total, 1260 patients were included. The median age at the time of Fontan operation was 3.6 years. Post-operative cardiac catheterization was conducted in 1117 patients at a median period of 1.0 years after the operation. During the median follow-up period of 10.2 years, 107 patients died. The mortality rates at 10, 20, and 25 years after the operation were 5%, 12%, and 22%, respectively. On multivariable analysis, older age at the time of the operation {≥15 years, hazard ratio (HR) [95% confidence interval (CI)]: 3.2 (1.7-5.9)} and haemodynamic parameters obtained at post-operative catheterization, such as low ejection fraction [<30%, HR (95% CI): 7.5 (3.2-18)], low systemic oxygen saturation [<80%, HR (95% CI): 3.8 (1.6-9.1)], high central venous pressure [≥16 mmHg, HR (95% CI): 2.3 (1.3-3.9)], and low mean systemic arterial pressure [<60 mmHg, HR (95% CI): 3.0 (1.4-6.2)] were identified as independent predictors of mortality. The predictive model based on these parameters had a c-index of 0.75 at 10 years. CONCLUSIONS Haemodynamic parameters obtained at a median period of 1.0 years, post-operatively, can accurately identify patients with a high mortality risk, who may need intensive management to improve long-term outcomes. KEY QUESTION What defines 'worse' Fontan haemodynamics? KEY FINDING Older age at Fontan (≥15 years), low ejection fraction (<30%), low oxygen saturation (<80%), high central venous pressure (≥16 mmHg), and low mean systemic arterial pressure (<60 mmHg) were identified as independent predictors of mortality. TAKE HOME MESSAGE Haemodynamic parameters obtained at a median period of 1.0 years, post-operatively, can accurately identify patients with a high mortality risk, who may need intensive management to improve long-term outcomes.
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Affiliation(s)
- Kei Inai
- Department of Pediatric Cardiology and Adult Congenital Cardiology, Tokyo Women's Medical University, 8-1, Kawada-cho, Shinjuku, Tokyo 162-8666, Japan
| | - Ryo Inuzuka
- Department of Pediatrics, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8654, Japan
| | - Hiroshi Ono
- Department of Cardiology, National Center for Child Health and Development, 2-10-1 Ookura, Setagaya-ku, Tokyo 153-0074, Japan
| | - Masaki Nii
- Department of Pediatric Cardiology, Shizuoka Children's Hospital, 860 Urushiyama, Shizuoka City 420-8660, Japan
| | - Shinichi Ohtsuki
- Department of Pediatric Cardiology, Okayama University, 2-5-1 Kita-ku, Okayama City 700-0914, Japan
| | - Yoshihiko Kurita
- Department of Pediatric Cardiology, Okayama University, 2-5-1 Kita-ku, Okayama City 700-0914, Japan
| | - Atsuhito Takeda
- Department of Pediatrics, Hokkaido University, Kita 14, Nishi 5, Kita-ku, Sapporo 060-8648, Japan
| | - Keiichi Hirono
- Department of Pediatrics, University of Toyama, 2630 Sugitani, Toyama City 930-0194, Japan
| | - Kohta Takei
- Department of Pediatric Cardiology, Nagano Children's Hospital, 3100 Toyoshina, Azumino, Nagano 399-8205, Japan
| | - Satoshi Yasukouchi
- Department of Pediatric Cardiology, Nagano Children's Hospital, 3100 Toyoshina, Azumino, Nagano 399-8205, Japan
| | - Tadahiro Yoshikawa
- Department of Pediatric Cardiology, Sakakibara Heart Institute, 3-16-1 Asahi-machi, Fuchu-shi, Tokyo 183-0003, Japan
| | - Yoshiyuki Furutani
- Department of Pediatric Cardiology and Adult Congenital Cardiology, Tokyo Women's Medical University, 8-1, Kawada-cho, Shinjuku, Tokyo 162-8666, Japan
| | - Eriko Shimada
- Department of Pediatric Cardiology and Adult Congenital Cardiology, Tokyo Women's Medical University, 8-1, Kawada-cho, Shinjuku, Tokyo 162-8666, Japan
| | - Tokuko Shinohara
- Department of Pediatric Cardiology and Adult Congenital Cardiology, Tokyo Women's Medical University, 8-1, Kawada-cho, Shinjuku, Tokyo 162-8666, Japan
| | - Tomohiro Shinozaki
- Faculty of Engineering, Department of Information and Computer Technology, Tokyo University of Science, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8654, Japan
| | - Yutaka Matsuyama
- Department of Biostatistics, School of Public Health, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8654, Japan
| | - Hideaki Senzaki
- Department of Pediatrics, International University of Health and Welfare Mita Hospital, 1-4-3 Mita, Minato-ku, Tokyo 108-8329, Japan
| | - Toshio Nakanishi
- Department of Pediatric Cardiology and Adult Congenital Cardiology, Tokyo Women's Medical University, 8-1, Kawada-cho, Shinjuku, Tokyo 162-8666, Japan.,Sakakibara Heart Institute Clinics, Tokyo, Japan
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Sallmon H, Ovroutski S, Schleiger A, Photiadis J, Weber SC, Nordmeyer J, Berger F, Kramer P. Late Fontan failure in adult patients is predominantly associated with deteriorating ventricular function. Int J Cardiol 2021; 344:87-94. [PMID: 34563595 DOI: 10.1016/j.ijcard.2021.09.042] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 08/19/2021] [Accepted: 09/20/2021] [Indexed: 12/24/2022]
Abstract
BACKGROUND The Fontan operation is a palliative procedure and a substantial number of patients eventually experiences late Fontan circulation failure. Previous concepts of Fontan failure implicate increasing pulmonary vascular resistance (PVR) as a key contributor to late circulatory failure. However, data to support this assumption are sparse. We sought to characterize longitudinal hemodynamic and echocardiographic findings in adult failing Fontan patients. METHODS We performed a retrospective cohort study in adult Fontan patients, identifying patients with Fontan failure. Hemodynamic, echocardiographic and clinical data were recorded. RESULTS Of 173 adult patients (median follow-up after Fontan 20.2 years [IQR 15.7-24.3]), 48 (28%) showed signs of clinical Fontan failure. Thirty-seven patients (77.1%) exhibited ventricular dysfunction (systolic dysfunction defined by ejection fraction ≤45%, n = 22, or diastolic dysfunction defined by systemic ventricular end-diastolic pressure (SVEDP) ≥12 mmHg, n = 15). Elevated indexed PVR (≥2.5 WU*m2) was only observed in 9 (18.8%) patients. Ejection fraction declined from 60% [IQR 55-65] to 47% [IQR 35-55] during follow-up (p < 0.001). Mean pulmonary artery pressure and SVEDP increased from 11 mmHg [IQR 9-15] to 15 mmHg [IQR 12-18] and from 7 mmHg [IQR 4-10] to 11 mmHg [IQR 8-15] (both p < 0.001), respectively, while indexed PVR did not change significantly (2.1 [IQR 1.1-2.4] vs. 1.7 [IQR 1.1-2.5] WU*m2, p = 0.949). Fontan failure-associated mortality during follow-up was substantial (23/48; 48%). CONCLUSIONS Systolic and diastolic ventricular dysfunction are frequent features in late Fontan failure in adults, while increases in PVR were rarely observed. The intricate interplay between hemodynamic compromises in Fontan failure deserves further research to optimize treatment strategies and outcome.
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Affiliation(s)
- Hannes Sallmon
- Department of Pediatric Cardiology, Charité - Universitätsmedizin Berlin, Germany; Department of Congenital Heart Disease/Pediatric Cardiology, German Heart Center Berlin, Germany
| | - Stanislav Ovroutski
- Department of Congenital Heart Disease/Pediatric Cardiology, German Heart Center Berlin, Germany
| | - Anastasia Schleiger
- Department of Congenital Heart Disease/Pediatric Cardiology, German Heart Center Berlin, Germany
| | - Joachim Photiadis
- Department of Congenital Heart Surgery, German Heart Center Berlin, Germany
| | - Sven C Weber
- Department of Pediatric Cardiology, Charité - Universitätsmedizin Berlin, Germany
| | - Johannes Nordmeyer
- Department of Congenital Heart Disease/Pediatric Cardiology, German Heart Center Berlin, Germany
| | - Felix Berger
- Department of Pediatric Cardiology, Charité - Universitätsmedizin Berlin, Germany; Department of Congenital Heart Disease/Pediatric Cardiology, German Heart Center Berlin, Germany; DZHK (German Center for Cardiovascular Research), Partner Site Berlin, Germany
| | - Peter Kramer
- Department of Congenital Heart Disease/Pediatric Cardiology, German Heart Center Berlin, Germany.
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20
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The pulmonary vascular bed in patients with functionally univentricular physiology and a Fontan circulation. Cardiol Young 2021; 31:1241-1250. [PMID: 34378498 DOI: 10.1017/s104795112100192x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Fontan palliation represents one of the most remarkable surgical advances in the management of individuals born with functionally univentricular physiology. The operation secures adult survival for all but a few with unfavourable anatomy and/or physiology. Inherent to the physiology is passive transpulmonary blood flow, which produces a vulnerability to adequate filling of the systemic ventricle at rest and during exertion. Similarly, the upstream effects of passive flow in the lungs are venous congestion and venous hypertension, especially marked during physical activity. The pulmonary vascular bed has emerged as a defining character on the stage of Fontan circulatory behaviour and clinical outcomes. Its pharmacologic regulation and anatomic rehabilitation therefore seem important strategic therapeutic targets. This review seeks to delineate the important aspects of pulmonary artery development and maturation in functionally univentricular physiology patients, pulmonary artery biology, pulmonary vascular reserve with exercise, and pulmonary artery morphologic and pharmacologic rehabilitation.
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21
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Dykes JC, Rosenthal DN, Bernstein D, McElhinney DB, Chrisant MRK, Daly KP, Ameduri RK, Knecht K, Richmond ME, Lin KY, Urschel S, Simmonds J, Simpson KE, Albers EL, Khan A, Schumacher K, Almond CS, Chen S. Clinical and hemodynamic characteristics of the pediatric failing Fontan. J Heart Lung Transplant 2021; 40:1529-1539. [PMID: 34412962 DOI: 10.1016/j.healun.2021.07.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 07/02/2021] [Accepted: 07/20/2021] [Indexed: 10/20/2022] Open
Abstract
AIM To describe the clinical and hemodynamic characteristics of Fontan failure in children listed for heart transplant. METHODS In a nested study of the Pediatric Heart Transplant Society, 16 centers contributed information on Fontan patients listed for heart transplant between 2005and 2013. Patients were classified into four mutually exclusive phenotypes: Fontan with abnormal lymphatics (FAL), Fontan with reduced systolic function (FRF), Fontan with preserved systolic function (FPF), and Fontan with "normal" hearts (FNH). Primary outcome was waitlist and post-transplant mortality. RESULTS 177 children listed for transplant were followed over a median 13 (IQR 4-31) months, 84 (47%) were FAL, 57 (32%) FRF, 22 (12%) FNH, and 14 (8%) FPF. Hemodynamic characteristics differed between the 4 groups: Fontan pressure (FP) was most elevated with FPF (median 22, IQR 18-23, mmHg) and lowest with FAL (16, 14-20, mmHg); cardiac index (CI) was lowest with FRF (2.8, 2.3-3.4, L/min/m2). In the entire cohort, 66% had FP >15 mmHg, 21% had FP >20 mmHg, and 10% had CI <2.2 L/min/m2. FRF had the highest risk of waitlist mortality (21%) and FNH had the highest risk of post-transplant mortality (36%). CONCLUSIONS Elevated Fontan pressure is more common than low cardiac output in pediatric failing Fontan patients listed for transplant. Subtle hemodynamic differences exist between the various phenotypes of pediatric Fontan failure. Waitlist and post-transplant mortality risks differ by phenotype.
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Affiliation(s)
- John C Dykes
- Department of Pediatrics, Lucile Packard Children's Hospital, Stanford University.
| | - David N Rosenthal
- Department of Pediatrics, Lucile Packard Children's Hospital, Stanford University
| | - Daniel Bernstein
- Department of Pediatrics, Lucile Packard Children's Hospital, Stanford University
| | - Doff B McElhinney
- Department of Pediatrics, Lucile Packard Children's Hospital, Stanford University; Department of Cardiovascular Surgery, Stanford University
| | | | - Kevin P Daly
- Boston Children's Hospital, Harvard Medical School
| | | | - Kenneth Knecht
- Arkansas Children's Hospital, University of Arkansas for Medical Sciences
| | - Marc E Richmond
- Morgan Stanley Children's Hospital, Columbia University College of Physicians & Surgeons
| | - Kimberly Y Lin
- Children's Hospital of Philadelphia, University of Pennsylvania
| | | | | | | | - Erin L Albers
- Seattle Children's Hospital, University of Washington
| | - Asma Khan
- Ann and Robert H Lurie Children's Hospital, Northwestern University Feinberg School of Medicine
| | | | - Christopher S Almond
- Department of Pediatrics, Lucile Packard Children's Hospital, Stanford University
| | - Sharon Chen
- Department of Pediatrics, Lucile Packard Children's Hospital, Stanford University
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Alsaied T, Rathod RH, Aboulhosn JA, Budts W, Anderson JB, Baumgartner H, Brown DW, Cordina R, D'udekem Y, Ginde S, Goldberg DJ, Goldstein BH, Lubert AM, Oechslin E, Opotowsky AR, Rychik J, Schumacher KR, Valente AM, Wright G, Veldtman GR. Reaching consensus for unified medical language in Fontan care. ESC Heart Fail 2021; 8:3894-3905. [PMID: 34190428 PMCID: PMC8497335 DOI: 10.1002/ehf2.13294] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 02/03/2021] [Accepted: 02/19/2021] [Indexed: 02/04/2023] Open
Abstract
Aims The Fontan operation has resulted in improved survival in patients with single‐ventricle congenital heart disease. As a result, there is a growing population of teenagers and adults with a Fontan circulation. Many co‐morbidities have been increasingly recognized in this population due to the unique features of the Fontan circulation. Standardization of how Fontan co‐morbid conditions are defined will help facilitate understanding, consistency and interpretability of research and clinical experience. Unifying common language usage in Fontan is a critical precursor step for data comparison of research findings and clinical outcomes and ultimately accelerating improvements in management for this growing group of patients. This manuscript aimed to create unified definitions for morbidities seen after the Fontan palliation. Methods In association of many congenital heart disease organizations, this work used Delphi methodology to reach a broad consensus among recognized experts regarding commonly used terms in Fontan care and research. Each definition underwent at least three rounds of revisions to reach a final definition through surveys sent to experts in the field of single‐ventricle care. Results The process of reaching a consensus on multiple morbidities associated with the Fontan procedure is summarized in this manuscript. The different versions that preceded reaching the consensus are also presented in the Supporting Information. Table 1 represents the final definitions according to the consensus. Conclusions We propose the use of these definitions for clinical care, future research studies, registry development and clinical trials.
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Affiliation(s)
- Tarek Alsaied
- Heart Institute, Department of Pediatrics, Pittsburgh Children's Hospital Medical Center, Pittsburgh, PA, USA.,Heart Institute, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Rahul H Rathod
- Department of Cardiology, Boston Children's Hospital, Boston, MA, USA
| | - Jamil A Aboulhosn
- Ahmanson/UCLA Adult Congenital Heart Disease Center, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA
| | - Werner Budts
- Division of Congenital and Structural Cardiology, University Hospitals Leuven, Leuven, Belgium
| | - Jeffrey B Anderson
- Heart Institute, Department of Pediatrics, Pittsburgh Children's Hospital Medical Center, Pittsburgh, PA, USA
| | - Helmut Baumgartner
- Department of Cardiology: Adult Congenital and Valvular Heart Disease, University Hospital Muenster, Muenster, Germany
| | - David W Brown
- Department of Cardiology, Boston Children's Hospital, Boston, MA, USA
| | - Rachael Cordina
- Adult Congenital Heart Disease Service and Pulmonary Hypertension Service, Royal Prince Alfred Hospital, Sydney, Australia
| | - Yves D'udekem
- Department of Cardiac Surgery and Children's National Heart Institute, Children's National Hospital, Washington, DC, USA
| | - Salil Ginde
- Division of Pediatric Cardiology, Department of Pediatrics, Medical College of Wisconsin, Milwaukee, WI, USA
| | - David J Goldberg
- Division of Cardiology, Department of Pediatrics, The Children's Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA, USA
| | - Bryan H Goldstein
- Heart Institute, UPMC Children's Hospital of Pittsburgh, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Adam M Lubert
- Heart Institute, Department of Pediatrics, Pittsburgh Children's Hospital Medical Center, Pittsburgh, PA, USA
| | - Erwin Oechslin
- Congenital Cardiac Centre for Adults, Peter Munk Cardiac Centre, University Health Network, Toronto, Canada
| | - Alexander R Opotowsky
- Heart Institute, Department of Pediatrics, Pittsburgh Children's Hospital Medical Center, Pittsburgh, PA, USA
| | - Jack Rychik
- Division of Cardiology, Department of Pediatrics, The Children's Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA, USA
| | - Kurt R Schumacher
- Congenital Heart Center, C.S. Mott Children's Hospital, University of Michigan, Ann Arbor, MI, USA
| | | | - Gail Wright
- Division of Cardiology, Department of Pediatrics, Stanford University School of Medicine, Santa Clara, CA, USA
| | - Gruschen R Veldtman
- Adult Congenital Heart Disease Service, Heart Centre, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
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Farahmand M, Kavarana MN, Trusty PM, Kung EO. Target Flow-Pressure Operating Range for Designing a Failing Fontan Cavopulmonary Support Device. IEEE Trans Biomed Eng 2020; 67:2925-2933. [PMID: 32078526 DOI: 10.1109/tbme.2020.2974098] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Fontan operation as the current standard of care for the palliation of single ventricle defects results in significant late complications. Using a mechanical circulatory device for the right circulation to serve the function of the missing subpulmonary ventricle could potentially stabilize the failing Fontan circulation. This study aims to elucidate the hydraulic operating regions that should be targeted for designing cavopulmonary blood pumps. By integrating numerical analysis and available clinical information, the interaction of the cavopulmonary support via the IVC and full assist configurations with a wide range of simulated adult failing scenarios was investigated; with IVC and full assist corresponding to the inferior venous return or the entire venous return, respectively, being routed through the device. We identified the desired hydraulic operating regions for a cavopulmonary assist device by clustering all head pressures and corresponding pump flows that result in hemodynamic improvement for each simulated failing Fontan physiology. Results show that IVC support can produce beneficial hemodynamics in only a small fraction of failing Fontan scenarios. Cavopulmonary assist device could increase cardiac index by 35% and decrease the inferior vena cava pressure by 45% depending on the patient's pre-support hemodynamic state and surgical configuration of the cavopulmonary assist device (IVC or full support). The desired flow-pressure operating regions we identified can serve as the performance criteria for designing cavopulmonary assist devices as well as evaluating off-label use of commercially available left-side blood pumps for failing Fontan cavopulmonary support.
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24
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Nagata H, Sakamoto I, Fukuoka S, Ishikita A, Uike K, Nagatomo Y, Hirata Y, Yamamura K, Ohga S. Portosystemic venous shunt in the patients with Fontan circulation. Heart Vessels 2020; 36:285-290. [PMID: 32844287 DOI: 10.1007/s00380-020-01685-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 08/14/2020] [Indexed: 11/26/2022]
Abstract
Portosystemic venous shunt (PSVS) is a vascular anomaly between the portal and systemic veins, resulting in several critical complications. Although PSVS is often associated with congenital heart diseases, the clinical association between Fontan circulation and PSVS has not been elucidated. This study aimed to investigate the clinical features of Fontan patients with PSVS. Two hundred thirteen patients who underwent Fontan procedure are being followed up at Adult Congenital Heart Disease clinic in Kyushu University Hospital. Among them, 139 adult patients underwent cardiac catheterization between January 1, 2011 and September 30, 2019. Medical records were reviewed to investigate the laboratory, echocardiography, and cardiac catheterization findings, as well as clinical manifestations and outcomes. Eleven Fontan patients received the diagnosis of PSVS. The median age at cardiac catheterization was 25 (range 18-45) years. Fontan operation was performed using extracardiac conduit or lateral tunnel 22 (16-35) years previously. Ten patients presented with chronic heart failure [New York Heart Association class 2 (n = 5) and 3 (n = 5)]. The median level of peripheral oxygen saturation was 87 (70-95)%. Cardiac catheterization showed increased cardiac index [5.3 (2.72-14.3) L/min/m2] with or without high central venous pressure [18 (9-25) mmHg]. Although the pulmonary vascular resistance was within the normal range, the systemic vascular resistance was decreased [7.08 (1.74-18.6) Wood units]. Fontan patients complicated with PSVS had increased cardiac output. The presence of PSVS in Fontan circulation might be associated with unfavorable long-term outcome.
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Affiliation(s)
- Hazumu Nagata
- Department of Pediatric, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi- ku, Fukuoka, 812-8582, Japan.
| | - Ichiro Sakamoto
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Shouji Fukuoka
- Department of Pediatric, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi- ku, Fukuoka, 812-8582, Japan
| | - Ayako Ishikita
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Kiyoshi Uike
- Department of Pediatric, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi- ku, Fukuoka, 812-8582, Japan
| | - Yusaku Nagatomo
- Department of Pediatric, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi- ku, Fukuoka, 812-8582, Japan
| | - Yuichiro Hirata
- Department of Pediatric, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi- ku, Fukuoka, 812-8582, Japan
| | - Kenichiro Yamamura
- Department of Pediatric, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi- ku, Fukuoka, 812-8582, Japan
| | - Shouichi Ohga
- Department of Pediatric, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi- ku, Fukuoka, 812-8582, Japan
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Monaco J, Khanna A, Khazanie P. Transplant and mechanical circulatory support in patients with adult congenital heart disease. Heart Fail Rev 2020; 25:671-683. [PMID: 32472522 PMCID: PMC7811764 DOI: 10.1007/s10741-020-09976-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Advances in surgery and pediatric care over the past decades have achieved improved survival for children born with congenital heart disease (CHD) and have produced a large, growing population of patients with adult congenital heart disease (ACHD). Heart failure has emerged as the leading cause of death and a major cause of morbidity among the ACHD population, while as little evidence supports the efficacy of guideline-directed medical therapies in this population. It is increasingly important that clinicians caring for these patients understand how to utilize mechanical circulatory support (MCS) in ACHD. In this review, we summarize the data on transplantation and MCS in the ACHD-heart failure population and provide a framework for how ACHD patients may benefit from advanced heart failure therapies like transplantation and MCS.
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Affiliation(s)
- James Monaco
- Colorado University Hospital, University of Colorado Anschutz Medical Center, Aurora, CO, USA.
| | - Amber Khanna
- Colorado University Hospital, University of Colorado Anschutz Medical Center, Aurora, CO, USA
| | - Prateeti Khazanie
- Colorado University Hospital, University of Colorado Anschutz Medical Center, Aurora, CO, USA
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26
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Egbe AC, Pellikka PA, Miranda WR, Bonnichsen C, Reddy YNV, Borlaug BA, Connolly HM. Echocardiographic predictors of severe right ventricular diastolic dysfunction in tetralogy of Fallot: Relations to patient outcomes. Int J Cardiol 2020; 306:49-55. [PMID: 32145939 PMCID: PMC7297267 DOI: 10.1016/j.ijcard.2020.02.067] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 01/08/2020] [Accepted: 02/26/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Previous studies have described echocardiographic indices of right ventricular (RV) diastolic function in patients with tetralogy of Fallot (TOF) but these indices have not been validated against invasive hemodynamic data. The purpose of this study was to determine echocardiographic predictors of severe RV diastolic dysfunction, and the impact of severe RV diastolic dysfunction on transplant-free survival. METHODS Cohort study of TOF patients that underwent non-simultaneous cardiac catheterization and echocardiogram at Mayo Clinic. Based on prior studies we selected these indices for assessment: tricuspid E/A, E/e', deceleration time, pulmonary artery forward flow, dilated inferior vena cava (IVC), and hepatic vein diastolic flow reversal (HVDFR). RV diastolic function classes (normal, mild/moderate and severe dysfunction) were created using arbitrary cut-off points of the median values of right ventricular end-diastolic pressure (RVEDP) and right atrial pressure (RAP) for the cohort. RESULTS Among 173 patients (age 40 ± 13 years), 68 patients were classified as normal (RVEDP≤14 and RAP≤10), 37 as mild/moderate dysfunction (either RVEDP>14 or RAP>10), and 69 as severe dysfunction (RVEDP>14 and RAP>10). Of the indices assessed, dilated IVC had the best sensitivity of 95% (area under the curve [AUC] 0.689) while HVDFR had the best specificity of 69% (AUC 0.648) for detecting severe RV diastolic dysfunction. Severe RV diastolic dysfunction was an independent risk factor for death/transplant (hazard ratio 2.83, p = 0.009). CONCLUSION Severe RV diastolic dysfunction, as defined by invasive hemodynamic indices, was associated with poor prognosis. Echocardiographic indices can identify these high risk patients, and hence improve risk stratification in clinical practice.
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Affiliation(s)
- Alexander C Egbe
- Department of Cardiovascular Medicine, Mayo Clinic Rochester, MN 55905, United States of America.
| | - Patricia A Pellikka
- Department of Cardiovascular Medicine, Mayo Clinic Rochester, MN 55905, United States of America
| | - William R Miranda
- Department of Cardiovascular Medicine, Mayo Clinic Rochester, MN 55905, United States of America
| | - Crystal Bonnichsen
- Department of Cardiovascular Medicine, Mayo Clinic Rochester, MN 55905, United States of America
| | - Yogesh N V Reddy
- Department of Cardiovascular Medicine, Mayo Clinic Rochester, MN 55905, United States of America
| | - Barry A Borlaug
- Department of Cardiovascular Medicine, Mayo Clinic Rochester, MN 55905, United States of America
| | - Heidi M Connolly
- Department of Cardiovascular Medicine, Mayo Clinic Rochester, MN 55905, United States of America
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27
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Egbe AC, Vojjini R, Banala K, Najam M, Khalil F, Osman K, Badawy M, Anderson JH, Taggart NW. Determinants and Prognostic Implications of Left-Heart Filling Pressures in Tetralogy of Fallot. Can J Cardiol 2020; 36:1491-1498. [PMID: 32247704 DOI: 10.1016/j.cjca.2019.10.040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 09/15/2019] [Accepted: 10/30/2019] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Elevated pulmonary artery wedge pressure (PAWP) is the hallmark of left-heart failure and is responsible for heart failure symptoms and mortality. Although PAWP typically correlates with right atrial pressure (RAP), it is primarily dependent on left-heart myocardial properties and volume status. As right-heart disease can occur in the absence of left-heart disease in patients with tetralogy of Fallot (TOF), we hypothesized that RAP was the primary determinant of PAWP in this population. METHODS A cohort study of adults with TOF that underwent right-heart catheterization at Mayo Clinic Rochester (1990 to 2017) to determine the relationship among RAP, PAWP, and mortality. RESULTS Among 213 patients (male 105; age 37 ± 14 years), the mean PAWP was 14 ± 5 mm Hg, and RAP was 11 ± 5 mm Hg. RAP was the strongest predictor of PAWP (β = 0.68, standard error = 0.06, P < 0.001), independent of left-heart disease and atherosclerotic cardiovascular risk factors. The patients with high PAWP also had normal tissue Doppler velocities, suggesting normal left-ventricular myocardial properties. PAWP was an independent predictor of death/transplant (hazard ration [HR] 1.11, 95% confidence interval [CI], 1.03-1.20, P = 0.004). However, when RAP was incorporated into the regression model, RAP (and not PAWP) became the independent predictor of outcomes (HR 1.14, 95% CI, 1.06-1.22, P = 0.001). CONCLUSIONS The current study showed that RAP was the primary determinant of PAWP and accounts, to some extent, for the mortality in patients with TOF and high PAWP. The data provide new insight in the pathophysiology of disease progression for symptomatic patients with TOF.
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Affiliation(s)
- Alexander C Egbe
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota.
| | - Rahul Vojjini
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota
| | - Keerthana Banala
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota
| | - Maria Najam
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota
| | - Fouad Khalil
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota
| | - Karim Osman
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota
| | - Mohamed Badawy
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota
| | - Jason H Anderson
- Division of Pediatric Cardiology, Mayo Clinic, Rochester, Minnesota
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Amedro P, Gavotto A, Abassi H, Picot MC, Matecki S, Malekzadeh-Milani S, Levy M, Ladouceur M, Ovaert C, Aldebert P, Thambo JB, Fraisse A, Humbert M, Cohen S, Baruteau AE, Karsenty C, Bonnet D, Hascoet S. Efficacy of phosphodiesterase type 5 inhibitors in univentricular congenital heart disease: the SV-INHIBITION study design. ESC Heart Fail 2020; 7:747-756. [PMID: 32147955 PMCID: PMC7160497 DOI: 10.1002/ehf2.12630] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 01/04/2020] [Accepted: 01/12/2020] [Indexed: 12/14/2022] Open
Abstract
Aims In univentricular hearts, selective lung vasodilators such as phosphodiesterase type 5 (PDE5) inhibitors would decrease pulmonary resistance and improve exercise tolerance. However, the level of evidence for the use of PDE5 inhibitors in patients with a single ventricle (SV) remains limited. We present the SV‐INHIBITION study rationale, design, and methods. Methods and results The SV‐INHIBITION trial is a nationwide multicentre, randomized, double blind, placebo‐controlled, Phase III study, aiming to evaluate the efficacy of sildenafil on the ventilatory efficiency during exercise, in teenagers and adult patients (>15 years old) with an SV. Patients with a mean pulmonary arterial pressure >15 mmHg and a trans‐pulmonary gradient >5 mmHg, measured by cardiac catheterization, will be eligible. The primary outcome is the variation of the VE/VCO2 slope, measured by a cardiopulmonary exercise test, between baseline and 6 months of treatment. A total of 50 patients are required to observe a decrease of 5 ± 5 points in the VE/VCO2 slope, with a power of 90% and an alpha risk of 5%. The secondary outcomes are clinical outcomes, oxygen saturation, 6 min walk test, SV function, NT‐proBNP, peak VO2, stroke volume, mean pulmonary arterial pressure, trans‐pulmonary gradient, SF36 quality of life score, safety, and acceptability. Conclusions The SV‐INHIBITION study aims to answer the question whether PDE5 inhibitors should be prescribed in patients with an SV. This trial has been built focusing on the three levels of research defined by the World Health Organization: disability (exercise tolerance), deficit (SV function), and handicap (quality of life).
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Affiliation(s)
- Pascal Amedro
- Paediatric and Congenital Cardiology Department, M3C Regional Reference CHD Centre, CHU Montpellier, Montpellier, France.,PhyMedExp, CNRS, INSERM, University of Montpellier, CHU Montpellier, Montpellier, France
| | - Arthur Gavotto
- Paediatric and Congenital Cardiology Department, M3C Regional Reference CHD Centre, CHU Montpellier, Montpellier, France
| | - Hamouda Abassi
- Paediatric and Congenital Cardiology Department, M3C Regional Reference CHD Centre, CHU Montpellier, Montpellier, France
| | | | - Stefan Matecki
- Paediatric and Congenital Cardiology Department, M3C Regional Reference CHD Centre, CHU Montpellier, Montpellier, France.,PhyMedExp, CNRS, INSERM, University of Montpellier, CHU Montpellier, Montpellier, France
| | - Sophie Malekzadeh-Milani
- Paediatric Cardiology Department, AP-HP, Necker-Enfants malades, M3C National Reference Centre, Paris Descartes University, Sorbonne Paris Cite, Paris, France
| | - Marilyne Levy
- Paediatric Cardiology Department, AP-HP, Necker-Enfants malades, M3C National Reference Centre, Paris Descartes University, Sorbonne Paris Cite, Paris, France
| | - Magalie Ladouceur
- Adult Congenital Heart Disease Unit, Department of Cardiology, M3C National Reference Centre, European Hospital Georges Pompidou, Paris, France
| | - Caroline Ovaert
- Paediatric and Congenital Medico-Surgical Cardiology Department, M3C Regional Reference Centre, AP-HM, La Timone University Hospital, Marseille, France.,Laboratory of Medical Genetics, INSERM UMR 1251, Aix-Marseille University, Marseille, France
| | - Philippe Aldebert
- Paediatric and Congenital Medico-Surgical Cardiology Department, M3C Regional Reference Centre, AP-HM, La Timone University Hospital, Marseille, France
| | - Jean-Benoit Thambo
- Paediatric and Adult Congenital Heart Disease Department, Hôpital Cardiologique du Haut-Lévêque, M3C National Reference Centre, CHU de Bordeaux, Bordeaux, France
| | - Alain Fraisse
- Pediatric Cardiology Service, Royal Brompton and Harefield Hospital Trust, London, UK
| | - Marc Humbert
- Department of Pulmonology, PH National Reference Centre, APHP, Kremlin-Bicetre, Paris, France.,Paris-Sud Faculty of Medicine, INSERM U999, Marie-Lannelongue Hospital, M3C National Reference Centre, Paris-Sud University, Paris-Saclay, Le Plessis-Robinson, Paris, France
| | - Sarah Cohen
- Paris-Sud Faculty of Medicine, INSERM U999, Marie-Lannelongue Hospital, M3C National Reference Centre, Paris-Sud University, Paris-Saclay, Le Plessis-Robinson, Paris, France
| | - Alban-Elouen Baruteau
- Paediatric and Congenital Cardiology Department, M3C Regional Reference CHD Centre, CHU Nantes, Nantes, France
| | - Clement Karsenty
- Paediatric and Congenital Cardiology Department, M3C Regional Reference CHD Centre, CHU Toulouse, Toulouse, France
| | - Damien Bonnet
- Paediatric Cardiology Department, AP-HP, Necker-Enfants malades, M3C National Reference Centre, Paris Descartes University, Sorbonne Paris Cite, Paris, France
| | - Sebastien Hascoet
- Paris-Sud Faculty of Medicine, INSERM U999, Marie-Lannelongue Hospital, M3C National Reference Centre, Paris-Sud University, Paris-Saclay, Le Plessis-Robinson, Paris, France
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Egbe AC, Vojjini R, Badawy M, Jain V, Bonnichsen CR, Reddy YNV, Obokata M, Borlaug BA. Heightened Dependence of Left-Heart Filling Pressures on Right-Heart Failure in Congenital Heart Disease. Can J Cardiol 2020; 37:131-139. [PMID: 32492403 DOI: 10.1016/j.cjca.2020.02.084] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 02/18/2020] [Accepted: 02/20/2020] [Indexed: 01/17/2023] Open
Abstract
BACKGROUND Pulmonary artery wedge pressure (PAWP) is often elevated in patients with right-sided congenital heart disease (CHD), raising the possibility of coexisting left-heart disease, but pressure-volume relationships in the left and right sides of the heart influence one another through interdependence, which may be amplified in patients with CHD. METHODS We hypothesized that increases in PAWP in patients with CHD would be more strongly related to ventricular interdependence compared with patients who have isolated left-heart disease such as heart failure with preserved ejection fraction (HFpEF). Ventricular interdependence was assessed by the relationship between PAWP and right-atrial pressure (RAP), RAP/PAWP ratio, and the left-ventricular (LV) eccentricity index. RESULTS PAWP was elevated (≥15 mm Hg) in 49% of patients with CHD (n = 449). There was a very strong correlation between RAP and PAWP in CHD (r = 0.81, P < 0.001) that greatly exceeded the respective correlation in HFpEF (n = 160; r = 0.58, P < 0.001; P < 0.001 between groups). RAP/PAWP ratio and LV eccentricity index were higher in CHD than HFpEF (1.26 ± 0.18 vs 1.05 ± 0.14, P = 0.007) and (0.80 ± 0.21 vs 0.59 ± 0.19, P < 0.001), respectively. RAP (but not PAWP) was an independent predictor of death/transplant (hazard ratio 1.86 per 5 mm Hg, 95% confidence interval, 1.39-2.45, P = 0.002). CONCLUSIONS Left-heart filling pressures are commonly elevated in right-sided CHD, but this is related predominantly to right-heart failure and enhanced ventricular interdependence rather than left-heart disease. These data provide new insight into the basis of abnormal left-heart hemodynamics in patients with CHD and reinforce the importance of therapeutic interventions targeted to the right heart.
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Affiliation(s)
- Alexander C Egbe
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA.
| | - Rahul Vojjini
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Mohamed Badawy
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Vaibhav Jain
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | | | - Yogesh N V Reddy
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Masaru Obokata
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Barry A Borlaug
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota, USA
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30
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Left ventricular filling pressure in Tetralogy of Fallot: Correlation between invasive and noninvasive indices. IJC HEART & VASCULATURE 2020; 26:100457. [PMID: 31909179 PMCID: PMC6938956 DOI: 10.1016/j.ijcha.2019.100457] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 11/16/2019] [Accepted: 12/16/2019] [Indexed: 01/10/2023]
Abstract
Background Left heart filling pressures, as measured by pulmonary artery wedge pressure (PAWP), is associated with heart failure related mortality. Because of the prognostic importance of PAWP, several echocardiographic indices have been proposed for noninvasive assessment of PAWP. However, these indices have not been validated in the congenital heart disease population. The purpose of this study was to determine the correlation between echocardiographic indices of PAWP, and the effect of high PAWP on transplant-free survival in adults with tetralogy of Fallot (TOF). Methods Retrospective study of adult TOF patients that underwent cardiac catheterization at Mayo Clinic, 1990–2017. We selected these pre-defined set of echocardiographic indices of LV diastolic function: mitral valve early velocity (E), mitral valve early and late velocity ratio (E/A), mitral valve deceleration time (DT), mitral annular tissue Doppler early velocity (e′), and left atrial volume index (LAVI). Results Of the echocardiographic indices analyzed among 213 patients (age 37 ± 14 years), only E velocity (β = 5.83, standard error = 1.52, p < 0.001) and LAVI (β = 0.14, standard error = 0.05, p = 0.007) correlated with PAWP. LAVI > 28 ml/m2 had sensitivity of 79% and specificity of 63% (AUC 0.712), and E velocity > 1.0 m/s had sensitivity of 66% and specificity of 89% (AUC 0.692), for detecting PAWP > 15 mmHg. LAVI > 28 ml/m2 was associated with reduced 10-year transplant-free survival (49% vs 90%, p < 0.001). Conclusion This study supports the use of LAVI for noninvasive assessment of PAWP and for prognostication. Further studies are required to validate these results in a different population.
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Key Words
- AUC, Area under the curve
- DT, Deceleration time
- E, mitral valve early velocity
- Echocardiography
- LAVI, Left atrial volume index
- LV, Left ventricle
- LVEDP, Left ventricular end-diastolic pressure
- Left heart filling pressure
- PAWP, Pulmonary artery wedge pressure
- Pulmonary artery wedge pressure
- RV, Right ventricle
- TOF, Tetralogy of Fallot
- Tetralogy of Fallot
- e′, mitral annular tissue Doppler early velocity
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Egbe AC, Wajih Ullah M, Afzal A, Banala K, Vojjini R, Najam M, Osman K, Thotamgari S, Hagler DJ. Feasibility, reproducibility and accuracy of electrical velocimetry for cardiac output assessment in congenital heart disease. IJC HEART & VASCULATURE 2020; 26:100464. [PMID: 31956694 PMCID: PMC6956751 DOI: 10.1016/j.ijcha.2019.100464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 12/13/2019] [Accepted: 12/25/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Noninvasive cardiac output assessment is important for prognostication in patients with heart failure. Electrical velocimetry (EV), an impedance cardiography technique, can be used for noninvasive cardiac output assessment. The purpose of this study was to determine the feasibility, reproducibility and accuracy of cardiac output assessment by EV in adults with congenital heart disease (CHD). METHODS Cross-sectional study of CHD patients that had simultaneous cardiac output assessment by Fick and EV (using Cardiotronic monitor, Osypka Medical). We divided the cohort into: Group 1 patients (n = 54) had hemodynamic assessment at rest only, while Group 2 patients (n = 7) had assessment both at rest and peak exercise. RESULTS EV cardiac output assessment was feasible in 100% of the patients. There was good correlation between Fick-derived and EV-derived cardiac index (r = 0.89, p < 0.001) in Group 1. Among 26 patients in Group 1 that underwent cardiac output assessment pre- and post-intervention, there was no difference in the strength of correlation of Fick and EV cardiac output pre- and post-intervention (p-interaction 0.244) indicating good reproducibility of the technique. There was also modest correlation between Fick-derived and EV-derived cardiac index at rest (r = 0.68, p = 0.032), and peak exercise (r = 0.62, p = 0.055), in Group 2. CONCLUSION In this study, we demonstrated the feasibility and accuracy of EV cardiac output assessment in adults with CHD. We also demonstrated, for the first time, that EV cardiac output assessment was reproducible under different loading conditions, and that EV can be used for the assessment of cardiac output augmentation at peak exercise.
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Affiliation(s)
- Alexander C. Egbe
- Department of Cardiovascular Medicine, Mayo Clinic Rochester, MN 55905, United States
| | - Muhammad Wajih Ullah
- Department of Cardiovascular Medicine, Mayo Clinic Rochester, MN 55905, United States
| | - Arslan Afzal
- Department of Cardiovascular Medicine, Mayo Clinic Rochester, MN 55905, United States
| | - Keerthana Banala
- Department of Cardiovascular Medicine, Mayo Clinic Rochester, MN 55905, United States
| | - Rahul Vojjini
- Department of Cardiovascular Medicine, Mayo Clinic Rochester, MN 55905, United States
| | - Maria Najam
- Department of Cardiovascular Medicine, Mayo Clinic Rochester, MN 55905, United States
| | - Karim Osman
- Department of Cardiovascular Medicine, Mayo Clinic Rochester, MN 55905, United States
| | - Sahith Thotamgari
- Department of Cardiovascular Medicine, Mayo Clinic Rochester, MN 55905, United States
| | - Donald J. Hagler
- Division of Pediatric Cardiology, Mayo Clinic Rochester, MN 55905, United States
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Egbe AC, Bonnichsen C, Reddy YNV, Anderson JH, Borlaug BA. Pathophysiologic and Prognostic Implications of Right Atrial Hypertension in Adults With Tetralogy of Fallot. J Am Heart Assoc 2019; 8:e014148. [PMID: 31701796 PMCID: PMC6915294 DOI: 10.1161/jaha.119.014148] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 10/14/2019] [Indexed: 12/31/2022]
Abstract
Background Right atrial pressure (RAP), a composite metric of right ventricular diastolic function, volume status, and right heart compliance, is a predictor of mortality in patients with heart failure due to acquired heart disease. Because patients with tetralogy of Fallot (TOF) might have abnormal right atrial and ventricular mechanics caused by myocardial injury and remodeling, we hypothesized that RAP would be associated with disease severity and cardiovascular adverse events in this population. Methods and Results We performed a cohort study of adults with TOF who underwent right heart catheterization at the Mayo Clinic Rochester between 1990 and 2017. The objective was to determine the association between RAP and multiple domains of disease severity in TOF (percentage of predicted peak oxygen consumption, atrial or ventricular arrhythmia, and heart failure hospitalization), as well as cardiovascular adverse events, defined as sustained ventricular tachycardia, resuscitated or aborted sudden death, heart transplantation, or death. Among 225 patients (113 male; mean age: 39±14 years), mean RAP was 10.7±5.2 mm Hg and median was 10 mm Hg (interquartile range: 7-13 mm Hg). Increasing RAP was associated with atrial or ventricular arrhythmias (odds ratio: 5.01; 95% CI, 1.22-23.49; P<0.001), heart failure hospitalization (odds ratio: 1.47; 95% CI, 1.10-2.39; P=0.033) per 5 mm Hg, and worsening exercise capacity (peak oxygen consumption; R2=0.74, r=-0.86, P<0.001). RAP was a predictor of cardiovascular adverse events (hazard ratio: 1.28; 95% CI, 1.10-1.47; P=0.028) per 5 mm Hg. Conclusions In symptomatic patients with TOF, increasing RAP correlates with multiple domains of disease severity (risk stratification) and predicts future cardiovascular events (prognostication). These data have potential clinical implications in the target population of symptomatic TOF patients.
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Metra M. June 2019 at a glance: from genetics to haemodynamics, biomarkers and imaging for the prediction of outcomes. Eur J Heart Fail 2019; 21:697-698. [DOI: 10.1002/ejhf.1264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Affiliation(s)
- Marco Metra
- Cardiology, Department of Medical and Surgical SpecialtiesRadiological Sciences, and Public Health, University of Brescia Italy
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Miranda WR, Hagler DJ, Taggart NW, Borlaug BA, Connolly HM, Egbe AC. Elevated ventricular filling pressures and long‐term survival in adults post‐Fontan. Catheter Cardiovasc Interv 2019; 95:803-809. [DOI: 10.1002/ccd.28340] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Accepted: 05/06/2019] [Indexed: 01/27/2023]
Affiliation(s)
| | - Donald J. Hagler
- Department of Pediatric and Adolescent Medicine/Division of Pediatric CardiologyMayo Clinic Rochester Minnesota
| | - Nathaniel W. Taggart
- Department of Pediatric and Adolescent Medicine/Division of Pediatric CardiologyMayo Clinic Rochester Minnesota
| | - Barry A. Borlaug
- Department of Cardiovascular DiseasesMayo Clinic Rochester Minnesota
| | - Heidi M. Connolly
- Department of Cardiovascular DiseasesMayo Clinic Rochester Minnesota
| | - Alexander C. Egbe
- Department of Cardiovascular DiseasesMayo Clinic Rochester Minnesota
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Ridderbos FS, Hoendermis ES, Berger RM, van Melle JP. The Janus‐faced Fontan circulation: unravelling its elusive pathophysiology. Eur J Heart Fail 2019; 21:810-812. [DOI: 10.1002/ejhf.1415] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Accepted: 12/06/2018] [Indexed: 12/27/2022] Open
Affiliation(s)
- Floris‐Jan S. Ridderbos
- Center for Congenital Heart Diseases, Department of Pediatric Cardiology, Beatrix Children's HospitalUniversity Medical Center Groningen, University of Groningen The Netherlands
| | - Elke S. Hoendermis
- Center for Congenital Heart Diseases, Department of CardiologyUniversity Medical Center Groningen, University of Groningen The Netherlands
| | - Rolf M.F. Berger
- Center for Congenital Heart Diseases, Department of Pediatric Cardiology, Beatrix Children's HospitalUniversity Medical Center Groningen, University of Groningen The Netherlands
| | - Joost P. van Melle
- Center for Congenital Heart Diseases, Department of CardiologyUniversity Medical Center Groningen, University of Groningen The Netherlands
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