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Chowdhuri KR, Buratto E, Ishigami S, Moscoso B, Davies B, Brizard CP, Weintraub RG, Konstantinov IE. Heart Transplantation after Univentricular Palliation: Improved Outcomes and Increased Complexity. Heart Lung Circ 2024:S1443-9506(24)00594-8. [PMID: 38871532 DOI: 10.1016/j.hlc.2024.04.306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Accepted: 04/29/2024] [Indexed: 06/15/2024]
Abstract
AIM Heart transplantation (HT) in patients with failing univentricular circulation is often challenging. This is compounded by the ever-increasing number of patients with prior Norwood-type reconstruction of the aorta, large aortic root, and often dense adhesions from multiple prior operations. We aimed to elucidate differences in outcomes of HT in patients with prior univentricular palliations, with and without prior Norwood-type aortic arch reconstruction (ArchRec). METHODS All patients who underwent HT for failed univentricular palliation during the 1990-2022 period were included in the study. RESULTS Of 45 patients, 18 had undergone ArchRec. Hospital mortality improved in the recent era (17.4% before 2006 vs 0% after 2006; p=0.11), despite a higher proportion of patients with ArchRec (17.4% before 2006 vs 60.8% after 2006, p=0.002). Patients with ArchRec had a higher number of prior cardiac surgeries (4.1±1.5 vs 3.2±1.3, p=0.04), longer cardiopulmonary bypass time (320±23 vs 242±21 min, p=0.02), more concomitant arch reconstruction (33.3% vs 0%, p=0.02), greater need for post-HT extracorporeal membrane oxygenation (33.3% vs 3.7%; p=0.01) and longer hospital stay (37.1±30.5 days vs 23.6±11.8 days, p=0.04). Freedom from death or retransplantation for all patients was 91%, 73%, 67%, and 53% at 1, 5, 10, and 15-years, respectively. Prior ArchRec, Fontan procedure, and earlier eras were not risk factors for death. CONCLUSIONS The outcomes of HT after univentricular palliation have improved in recent times and low operative mortality can be achieved. Despite increased complexity, good similar outcomes can be achieved in patients with and without prior arch reconstruction regardless of the palliation stage.
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Affiliation(s)
- Kuntal Roy Chowdhuri
- Department of Cardiac Surgery, Royal Children's Hospital, Melbourne, Vic, Australia
| | - Edward Buratto
- Department of Cardiac Surgery, Royal Children's Hospital, Melbourne, Vic, Australia; Department of Paediatrics, University of Melbourne, Melbourne, Vic, Australia; Heart Research Group, Murdoch Children's Research Institute, Melbourne, Vic, Australia
| | - Shuta Ishigami
- Department of Cardiac Surgery, Royal Children's Hospital, Melbourne, Vic, Australia
| | - Bosco Moscoso
- Department of Cardiac Surgery, Royal Children's Hospital, Melbourne, Vic, Australia
| | - Ben Davies
- Department of Cardiac Surgery, Royal Children's Hospital, Melbourne, Vic, Australia; Department of Paediatrics, University of Melbourne, Melbourne, Vic, Australia; Heart Research Group, Murdoch Children's Research Institute, Melbourne, Vic, Australia; Melbourne Centre for Cardiovascular Genomics and Regenerative Medicine, Melbourne, Vic, Australia
| | - Christian P Brizard
- Department of Cardiac Surgery, Royal Children's Hospital, Melbourne, Vic, Australia; Department of Paediatrics, University of Melbourne, Melbourne, Vic, Australia; Heart Research Group, Murdoch Children's Research Institute, Melbourne, Vic, Australia; Melbourne Centre for Cardiovascular Genomics and Regenerative Medicine, Melbourne, Vic, Australia
| | - Robert G Weintraub
- Department of Cardiac Surgery, Royal Children's Hospital, Melbourne, Vic, Australia; Department of Paediatrics, University of Melbourne, Melbourne, Vic, Australia; Heart Research Group, Murdoch Children's Research Institute, Melbourne, Vic, Australia; Melbourne Centre for Cardiovascular Genomics and Regenerative Medicine, Melbourne, Vic, Australia
| | - Igor E Konstantinov
- Department of Cardiac Surgery, Royal Children's Hospital, Melbourne, Vic, Australia; Department of Paediatrics, University of Melbourne, Melbourne, Vic, Australia; Heart Research Group, Murdoch Children's Research Institute, Melbourne, Vic, Australia; Melbourne Centre for Cardiovascular Genomics and Regenerative Medicine, Melbourne, Vic, Australia.
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Kulshrestha K, Greenberg JW, Kennedy JT, Hogue S, Winlaw DS, Ashfaq A, Zafar F, Morales DLS. The majority of pediatric Fontan patients have excellent post-transplant survival. J Thorac Cardiovasc Surg 2024; 167:2193-2203. [PMID: 37774778 PMCID: PMC10965507 DOI: 10.1016/j.jtcvs.2023.09.044] [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: 05/05/2023] [Revised: 08/20/2023] [Accepted: 09/17/2023] [Indexed: 10/01/2023]
Abstract
OBJECTIVE Many pediatric Fontan patients require heart transplant, but this cohort is understudied given the difficulty in identifying these patients in national registries. We sought to characterize survival post-transplant in a large cohort of pediatric patients undergoing the Fontan. METHODS The United Network for Organ Sharing and Pediatric Health Information System were used to identify Fontan heart transplant recipients aged less than 18 years (n = 241) between 2005 and 2022. Decompensation was defined as the presence of extracorporeal membrane oxygenation, ventilation, hepatic/renal dysfunction, paralytics, or total parenteral nutrition at transplant. RESULTS Median age at transplant was 9 (interquartile range, 5-12) years. Median waitlist time was 107 (37-229) days. Median volume across 32 center was 8 (3-11) cases. Approximately half (n = 107, 45%) of recipients had 1A/1 initial listing status. Sixty-four patients (28%) were functionally impaired at transplant, 10 patients (4%) were ventilated, and 18 patients (8%) had ventricular assist device support. Fifty-nine patients (25%) had hepatic dysfunction, and 15 patients (6%) had renal dysfunction. Twenty-one patients (9%) were dependent on total parenteral nutrition. Median postoperative stay was 24 (14-46) days, and in-hospital mortality was 7%. Kaplan-Meier analysis showed 1- and 5-year survivals of 89% (95% CI, 85-94) and 74% (95% CI, 81-86), respectively. Kaplan-Meier of Fontan patients without decompensation (n = 154) at transplant demonstrated 1- and 5-year survivals of 93% (95% CI, 88-97) and 88% (95% CI, 82-94), respectively. In-hospital mortality was higher in decompensated patients (11% vs 4%, P = .023). Multivariable analysis showed that decompensation predicted worse post-transplant survival (hazard ratio, 2.47; 95% CI, 1.16-5.22; P = .018), whereas older age at transplant predicted superior post-transplant survival (hazard ratio, 0.89/year; 95% CI, 0.80-0.98; P = .019). CONCLUSIONS Pediatric Fontan post-transplant outcomes are promising, although early mortality remains high. For nondecompensated pediatric patients at transplant without end-organ disease (>63% of cohort), early mortality is circumvented and post-transplant survival is excellent and similar to all pediatric transplantation.
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Affiliation(s)
- Kevin Kulshrestha
- Division of Cardiothoracic Surgery, Cincinnati Children's Hospital Medical Center, Heart Institute, University of Cincinnati College of Medicine, Cincinnati, Ohio.
| | - Jason W Greenberg
- Division of Cardiothoracic Surgery, Cincinnati Children's Hospital Medical Center, Heart Institute, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - John T Kennedy
- Division of Cardiothoracic Surgery, Cincinnati Children's Hospital Medical Center, Heart Institute, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Spencer Hogue
- Division of Cardiothoracic Surgery, Cincinnati Children's Hospital Medical Center, Heart Institute, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - David S Winlaw
- Division of Cardiothoracic Surgery, Cincinnati Children's Hospital Medical Center, Heart Institute, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Awais Ashfaq
- Division of Cardiothoracic Surgery, Cincinnati Children's Hospital Medical Center, Heart Institute, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Farhan Zafar
- Division of Cardiothoracic Surgery, Cincinnati Children's Hospital Medical Center, Heart Institute, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - David L S Morales
- Division of Cardiothoracic Surgery, Cincinnati Children's Hospital Medical Center, Heart Institute, University of Cincinnati College of Medicine, Cincinnati, Ohio
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Chen S, Shezad MF, Lorts A, McCormick AD, Mao CY, Simpson KE, O'Connor MJ, Barnes A, Lubert AM, Castleberry C, Schmidt J, Schroeder K, Joong A, Bearl DW, Lal AK, Mokshagundam D, Conway J, Cedars A, Schumacher KR. Outcomes after initial heart failure consultation in Fontan patients. Cardiol Young 2023:1-8. [PMID: 38014551 DOI: 10.1017/s1047951123003852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
BACKGROUND Patients with Fontan failure are high-risk candidates for heart transplantation and other advanced therapies. Understanding the outcomes following initial heart failure consultation can help define appropriate timing of referral for advanced heart failure care. METHODS This is a survey study of heart failure providers seeing any Fontan patient for initial heart failure care. Part 1 of the survey captured data on clinical characteristics at the time of heart failure consultation, and Part 2, completed 30 days later, captured outcomes (death, transplant evaluation outcome, and other interventions). Patients were classified as "too late" (death or declined for transplant due to being too sick) and/or "care escalation" (ventricular assist device implanted, inotrope initiated, and/or listed for transplant), within 30 days. "Late referral" was defined as those referred too late and/or had care escalation. RESULTS Between 7/2020 and 7/2022, 77 Fontan patients (52% inpatient) had an initial heart failure consultation. Ten per cent were referred too late (6 were too sick for heart transplantation with one subsequent death, and two others died without heart transplantation evaluation, within 30 days), and 36% had care escalation (21 listed ± 5 ventricular assist device implanted ± 6 inotrope initiated). Overall, 42% were late referrals. Heart failure consultation < 1 year after Fontan surgery was strongly associated with late referral (OR 6.2, 95% CI 1.8-21.5, p=0.004). CONCLUSIONS Over 40% of Fontan patients seen for an initial heart failure consultation were late referrals, with 10% dying or being declined for transplant within a month of consultation. Earlier referral, particularly for those with heart failure soon after Fontan surgery, should be encouraged.
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Affiliation(s)
- Sharon Chen
- Lucile Packard Children's Hospital at Stanford, Palo Alto, CA, USA
| | | | - Angela Lorts
- Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | | | - Chad Y Mao
- Children's Healthcare of Atlanta, Atlanta, GA, USA
| | | | | | | | - Adam M Lubert
- Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | | | - Julie Schmidt
- Lucile Packard Children's Hospital at Stanford, Palo Alto, CA, USA
| | | | - Anna Joong
- Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA
| | - David W Bearl
- Monroe Carell Jr. Children's Hospital at Vanderbilt, Nashville, TN, USA
| | - Ashwin K Lal
- Primary Children's Hospital, Salt Lake City, UT, USA
| | | | | | - Ari Cedars
- Johns Hopkins Hospital, Baltimore, MD, USA
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Griffeth EM, Burchill LJ, Dearani JA, Oberoi M, Abdelrehim AA, O'Leary PW, Edwards BS, Kushwaha SS, Daly RC, Cetta F, Johnson JN, Ameduri RK, Stephens EH. Optimizing Referral Timing of Patients With Fontan Circulatory Failure for Heart Transplant. Transplant Proc 2023; 55:417-425. [PMID: 36868954 PMCID: PMC10133013 DOI: 10.1016/j.transproceed.2023.02.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/11/2022] [Accepted: 02/03/2023] [Indexed: 03/05/2023]
Abstract
BACKGROUND There are no criteria guiding the timing of heart transplant referral for Fontan patients, nor are there any characteristics of those deferred or declined listing reported. This study examines comprehensive transplant evaluations for Fontan patients of all ages, listing decisions, and outcomes to inform referral practices. METHODS Retrospective review of 63 Fontan patients formally assessed by the advanced heart failure service and presented at Mayo Clinic transplant selection committee meetings (TSM) January 2006 to April 2021. The study is compliant with the Helsinki Congress and Declaration of Istanbul and included no prisoners. Statistical analysis was performed with Wilcoxon Rank Sum and Fisher's Exact tests. RESULTS Median age at TSM was 26 years (17.5, 36.5). Most were approved (38/63 [60%]); 9 of 63 (14%) were deferred and 16 of 63 (25%) were declined. Approved patients more commonly were <18 years old at TSM (15/38 [40%] vs 1/25 [4%], P = .002) compared with those deferred/declined. Complications of Fontan circulatory failure were less common in approved vs deferred/declined patients: ascites (15/38 [40%] vs 17/25 [68%], P = .039), cirrhosis (16/38 [42%] vs 19/25 [76%], P = .01), and renal insufficiency (6/38 [16%] vs 11/25 [44%], P = .02). Ejection fraction and atrioventricular valve regurgitation did not differ between groups. Pulmonary artery wedge pressure was overall high normal (12 mm Hg [9,16]) but higher in deferred/declined vs approved patients, 14.5 (11, 19) vs 10 (8, 13.5) mm Hg, P = .015. Overall survival was significantly lower in deferred/declined patients (P = .0018). CONCLUSION Fontan patient referral for heart transplant at younger age and before the onset of end-organ complications is associated with increased approval for transplant listing.
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Affiliation(s)
- Elaine M Griffeth
- Department of Cardiovascular Surgery, Mayo Clinic, Rochester, Minnesota
| | - Luke J Burchill
- Division of Structural Heart Disease, Mayo Clinic, Rochester, Minnesota
| | - Joseph A Dearani
- Department of Cardiovascular Surgery, Mayo Clinic, Rochester, Minnesota
| | - Meher Oberoi
- Department of Cardiovascular Surgery, Mayo Clinic, Rochester, Minnesota
| | | | | | - Brooks S Edwards
- Division of Circulatory Failure, Mayo Clinic, Rochester, Minnesota
| | | | - Richard C Daly
- Department of Cardiovascular Surgery, Mayo Clinic, Rochester, Minnesota
| | - Frank Cetta
- Division of Pediatric Cardiology, Mayo Clinic, Rochester, Minnesota
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5
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Greenberg JW, Guzman-Gomez A, Kulshrestha K, Dani A, Lehenbauer DG, Chin C, Zafar F, Morales DLS. Contemporary Outcomes of Heart Transplantation in Children with Heterotaxy Syndrome: Sub-Optimal Pre-Transplant Optimization Translates into Early Post-Transplant Mortality. Pediatr Cardiol 2023:10.1007/s00246-023-03122-z. [PMID: 36811659 DOI: 10.1007/s00246-023-03122-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 02/02/2023] [Indexed: 02/24/2023]
Abstract
Patients with heterotaxy syndrome and congenital heart disease (CHD) experience inferior cardiac surgical outcomes. Heart transplantation outcomes are understudied, however, particularly compared to non-CHD patients. Data from UNOS and PHIS were used to identify 4803 children (< 18 years) undergoing first-time heart transplant between 2003 and 2022 with diagnoses of heterotaxy (n = 278), other-CHD (n = 2236), and non-CHD cardiomyopathy (n = 2289). Heterotaxy patients were older (median 5 yr) and heavier (median 17 kg) at transplant than other-CHD (median 2 yr and 12 kg), and younger and lighter than cardiomyopathy (median 7 yr and 24 kg) (all p < 0.001). UNOS status 1A/1 at listing was not different between groups (65-67%; p = 0.683). At transplant, heterotaxy and other-CHD patients had similar rates of renal dysfunction (12 and 17%), inotropes (10% and 11%), and ventilator-dependence (19 and 18%). Compared to cardiomyopathy, heterotaxy patients had comparable renal dysfunction (9%, p = 0.058) and inotropes (46%, p = 0.097) but more hepatic dysfunction (17%, p < 0.001) and ventilator-dependence (12%, p = 0.003). Rates of ventricular assist device (VAD) were: heterotaxy-10%, other-CHD-11% (p = 0.839 vs. heterotaxy), cardiomyopathy-37% (p < 0.001 vs. heterotaxy). The 1-year incidence of acute rejection post-transplant was comparable between heterotaxy and others (p > 0.05). While overall post-transplant survival was significantly worse for heterotaxy than others (p < 0.05 vs. both), conditional 1-year survival was comparable (p > 0.3 vs. both). Children with heterotaxy syndrome experience inferior post-heart transplant survival, although early mortality appears to influence this trend, with 1-year survivors having equivalent outcomes. Given similar pre-transplant clinical status to others, heterotaxy patients are potentially under risk-stratified. Increased VAD utilization and pre-transplant end-organ function optimization may portend improved outcomes.
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Affiliation(s)
- Jason W Greenberg
- Cincinnati Children's Hospital Medical Center, The Heart Institute, University of Cincinnati School of Medicine, 3333 Burnet Ave, Cincinnati, OH, 45229, USA.
| | - Amalia Guzman-Gomez
- Cincinnati Children's Hospital Medical Center, The Heart Institute, University of Cincinnati School of Medicine, 3333 Burnet Ave, Cincinnati, OH, 45229, USA
| | - Kevin Kulshrestha
- Cincinnati Children's Hospital Medical Center, The Heart Institute, University of Cincinnati School of Medicine, 3333 Burnet Ave, Cincinnati, OH, 45229, USA
| | - Alia Dani
- Cincinnati Children's Hospital Medical Center, The Heart Institute, University of Cincinnati School of Medicine, 3333 Burnet Ave, Cincinnati, OH, 45229, USA
| | - David G Lehenbauer
- Cincinnati Children's Hospital Medical Center, The Heart Institute, University of Cincinnati School of Medicine, 3333 Burnet Ave, Cincinnati, OH, 45229, USA
| | - Clifford Chin
- Cincinnati Children's Hospital Medical Center, The Heart Institute, University of Cincinnati School of Medicine, 3333 Burnet Ave, Cincinnati, OH, 45229, USA
| | - Farhan Zafar
- Cincinnati Children's Hospital Medical Center, The Heart Institute, University of Cincinnati School of Medicine, 3333 Burnet Ave, Cincinnati, OH, 45229, USA
| | - David L S Morales
- Cincinnati Children's Hospital Medical Center, The Heart Institute, University of Cincinnati School of Medicine, 3333 Burnet Ave, Cincinnati, OH, 45229, USA
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de Lange C, Möller T, Hebelka H. Fontan-associated liver disease: Diagnosis, surveillance, and management. Front Pediatr 2023; 11:1100514. [PMID: 36937979 PMCID: PMC10020358 DOI: 10.3389/fped.2023.1100514] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 02/09/2023] [Indexed: 03/06/2023] Open
Abstract
The Fontan operation is a lifesaving procedure for patients with functional single-ventricle congenital heart disease, where hypoplastic left heart syndrome is the most frequent anomaly. Hemodynamic changes following Fontan circulation creation are now increasingly recognized to cause multiorgan affection, where the development of a chronic liver disease, Fontan-associated liver disease (FALD), is one of the most important morbidities. Virtually, all patients with a Fontan circulation develop liver congestion, resulting in fibrosis and cirrhosis, and most patients experience childhood onset. FALD is a distinctive type of congestive hepatopathy, and its pathogenesis is thought to be a multifactorial process driven by increased nonpulsatile central venous pressure and decreased cardiac output, both of which are inherent in the Fontan circulation. In the advanced stage of liver injury, complications of portal hypertension often occur, and there is a risk of developing secondary liver cancer, reported at young age. However, FALD develops with few clinical symptoms, a surprisingly variable degree of severity in liver disease, and with little relation to poor cardiac function. The disease mechanisms and modifying factors of its development are still not fully understood. As one of the more important noncardiac complications of the Fontan circulation, FALD needs to be diagnosed in a timely manner with a structured monitoring scheme of disease development, early detection of malignancy, and determination of the optimal time point for transplantation. There is also a clear need for consensus on the best surveillance strategy for FALD. In this regard, imaging plays an important role together with clinical scoring systems, biochemical workups, and histology. Patients operated on with a Fontan circulation are generally followed up in cardiology units. Ultimately, the resulting multiorgan affection requires a multidisciplinary team of healthcare personnel to address the different organ complications. This article discusses the current concepts, diagnosis, and management of FALD, with special emphasis on the role of different imaging techniques in the diagnosis and monitoring of disease progression, as well as current recommendations for liver disease surveillance.
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Affiliation(s)
- Charlotte de Lange
- Department of Pediatric Radiology, Queen Silvia Children's Hospital, Sahlgrenska University Hospital, Gothenburg, Sweden
- Institution of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Thomas Möller
- Department of Pediatric Cardiology, Oslo University Hospital, Oslo, Norway
| | - Hanna Hebelka
- Department of Pediatric Radiology, Queen Silvia Children's Hospital, Sahlgrenska University Hospital, Gothenburg, Sweden
- Institution of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
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Dal Sasso E, Schöndorf T, Schlüter KJ, Miera O, De Rita F, Menon AK. A Novel Strategy for the Mechanical Subpulmonary Support in Failing Fontan Patients. Thorac Cardiovasc Surg 2022; 70:e34-e41. [DOI: 10.1055/s-0042-1757916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Background The number of single ventricle patients undergoing Fontan palliation and surviving to adulthood worldwide has steadily increased in recent years. Nevertheless, the Fontan circulation is destined to fail. Ultimately, heart transplantation (HTx) remains the definitive treatment option. Due a shortage of organs, mechanical circulatory support in the form of ventricular assist devices (VADs) is widely used to bridge heart failure patients to HTx, but these devices have been mainly developed to address the needs of normal anatomies. A novel venous cannula has been developed as part of the EXCOR® VAD to provide subpulmonary support in these patients. Its clinical application is investigated in the “Registry to Assess the Safety and Feasibility of the Subpulmonary Support with the Novel Venous Cannula in Patients with Failing/Absence of the Right Heart” (RegiVe study, NCT04782232).
Methods RegiVe is a multicenter, international, observational, prospective, non-randomized registry aiming to collect the routine clinical data of up to 20 patients. The primary endpoints address device performance and safety, while the secondary endpoints target organ status and overall safety (according to the Interagency Registry for Mechanically Assisted Circulatory Support – INTERMACS – definitions). Data analysis will be performed by means of descriptive statistics.
Results RegiVe has received the favorable opinion of an independent ethics committee and enrollment has recently started.
Conclusion RegiVe is the first study evaluating the use of a medical device specifically developed for subpulmonary support of failing Fontan patients. The study will provide important insight and further information on this cohort and help to improve a dedicated VAD strategy.
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Affiliation(s)
| | | | | | - Oliver Miera
- Department of Congenital Heart Disease – Pediatric Cardiology, German Heart Center Berlin (DHZB), Berlin, Germany
| | - Fabrizio De Rita
- Adult Congenital and Paediatric Heart Unit, Freeman Hospital, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, United Kingdom
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8
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Greenberg JW, Raees MA, Dani A, Heydarian HC, Chin C, Zafar F, Lehenbauer DG, Morales DLS. Palliated Hypoplastic Left Heart Syndrome Patients Experience Superior Waitlist and Comparable Post-Heart Transplant Survival to Non-Single Ventricle Congenital Heart Disease Patients. Semin Thorac Cardiovasc Surg 2022; 36:230-241. [PMID: 36455711 PMCID: PMC10225473 DOI: 10.1053/j.semtcvs.2022.08.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 08/31/2022] [Indexed: 11/30/2022]
Abstract
Congenital heart disease (CHD) is a well-established risk factor for inferior waitlist and post-heart transplant survival in children. Differences in outcomes between CHD subgroups are understudied. The present study compared outcomes for palliated hypoplastic left heart syndrome (HLHS) patients to other non-single ventricle CHD (non-SVCHD) and non-CHD patients. United Network for Organ Sharing was used to identify children (age < 18) listed for heart transplant in the United States between 2016 and 2021. CHD sub-diagnoses were only available for United Network for Organ Sharing status 1a after 2015, thereby defining the cohort. Waitlist outcomes were studied using competing-risk time-to-event analysis for transplantation, mortality/decompensation, and alive-on-waitlist. Multivariable Cox proportional hazards regression analyses were used to identify factors associated with inferior post-transplant survival. Patients included: palliated-HLHS (n = 477), non-SVCHD (n = 686), and non-CHD (n = 1261). At listing, Palliated-HLHS patients were older than non-SVCHD (median 2-year [IQR 0-8] vs median 0-year [0-3], respectively) and younger than non-CHD (median 7-year [0-14]) (P < 0.001 vs both), and were more likely to be white (P < 0.01 vs both). Upon time-to-event analysis, rates of waitlist mortality/decompensation rates were greater among non-SVCHD than palliated-HLHS. Post-transplant survival was comparable between palliated-HLHS and non-SVCHD (P = 0.920) but worse compared to non-CHD (P < 0.001). Both palliated-HLHS (HR 2.40 [95% CI 1.68-3.42]) and non-SVSCHD (2.04 [1.39-2.99]) were independently associated with post-transplant mortality. Palliated-HLHS patients with heart failure experience significantly worse post-transplant outcomes than non-CHD but, compared to other CHD patients, experience superior waitlist and comparable post-transplant survival. While a high-risk cohort, HLHS patients can achieve gratifying waitlist and post-transplant survival.
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Affiliation(s)
- Jason W Greenberg
- The Heart Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio.
| | - Muhammad Aanish Raees
- The Heart Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Alia Dani
- The Heart Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Haleh C Heydarian
- The Heart Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Clifford Chin
- The Heart Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Farhan Zafar
- The Heart Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - David G Lehenbauer
- The Heart Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - David L S Morales
- The Heart Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio
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9
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Greenberg JW, Kulshrestha K, Dani A, Winlaw DS, Lehenbauer DG, Chin C, Lorts A, Gist KM, Zafar F, Morales DLS. Not all durations of preheart transplant mechanical ventilation portend inferior post-transplant survival in children. Pediatr Transplant 2022; 27:e14433. [PMID: 36345131 DOI: 10.1111/petr.14433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 09/28/2022] [Accepted: 09/29/2022] [Indexed: 11/10/2022]
Abstract
BACKGROUND Mechanical ventilation prior to pediatric heart transplantation predicts inferior post-transplant survival, but the impact of ventilation duration on survival is unclear. METHODS Data from the United Network for Organ Sharing and Pediatric Health Information System were used to identify pediatric (<18 years) heart transplant recipients from 2003 to 2020. Patients ventilated pretransplant were first compared to no ventilation, then ventilation durations were compared across quartiles of ventilation (≤1 week, 8 days-5 weeks, >5 weeks). RESULTS At transplant, 11% (511/4506) of patients required ventilation. Ventilated patients were younger, had more congenital heart disease, more urgent listing-status, and greater rates of nephropathy, TPN-dependence, and inotrope and ECMO requirements (p < .001 for all). Post-transplant, previously ventilated patients experienced longer ventilation durations, ICU and hospital stays, and inferior survival (all p < .001). Hospital outcomes and survival worsened with longer pretransplant ventilation. One-year and overall survival were similar between the no-ventilation and ≤1 week groups (p = .703 & p = .433, respectively) but were significantly worse for ventilation durations >1 week (p < .001). On multivariable analysis, ventilation ≤1 week did not predict mortality (HR 0.98 [95% CI 0.85-1.43]), whereas ventilation >1 week did (HR: 1.18 [1.01-1.39]). CONCLUSIONS Longer pretransplant ventilation portends worse outcomes, although only ventilation >1 week predicts mortality. These findings can inform pretransplant prognostication.
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Affiliation(s)
- Jason W Greenberg
- The Heart Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Kevin Kulshrestha
- The Heart Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Alia Dani
- The Heart Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - David S Winlaw
- The Heart Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - David G Lehenbauer
- The Heart Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Clifford Chin
- The Heart Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Angela Lorts
- The Heart Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Katja M Gist
- The Heart Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - Farhan Zafar
- The Heart Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
| | - David L S Morales
- The Heart Institute, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA
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Greenberg JW, Tweddell JS, Winlaw DS, Lehenbauer DG, Gist KM, Chin C, Zafar F, Morales DLS. Infants Who Require Total Parenteral Nutrition and Paralytics at Time of Heart Transplant Experience Inferior Post-Transplant Mortality. World J Pediatr Congenit Heart Surg 2022; 13:752-758. [DOI: 10.1177/21501351221119495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Background: Infants experience the worst one-year post-heart transplant (HTx) survival of any other pediatric group. Although mechanical ventilatory (MV) requirement at the time of transplant is an established predictor of post-transplant mortality, the impacts of commonly co-utilized support modalities such as total parenteral nutrition (TPN)-dependence and paralytics are understudied. Methods: All infant HTx recipients from 2003 to 2020 in both the United Network for Organ Sharing and Pediatric Health Information System databases were identified (n = 1344) and categorized depending upon support requirement at the time of transplant—none (59%), MV-only (10%), MV + Paralytics (2%), TPN-dependence-only (15%), MV + TPN (10%), and MV + Paralytics + TPN (4%). The primary study aim was to characterize the impact of TPN-dependence and paralytics on one-year post-transplant survival (PTS). Results: Compared to no-support, supported infants were generally at higher risk and more ill at transplant, with greater rates of congenital heart disease, renal and hepatic dysfunctions, and inotrope requirements. Post-transplant hospital outcomes were inferior among supported patients; all support groups experienced longer post-transplant MV, intensive care unit, and hospital lengths of stay (all P < .05 vs no-support). Upon multivariable analysis, each support modality independently predicted 1-year mortality (MV vs no-MV: 1.54 [1.10-2.14]; MV + Paralytics vs neither: 2.02 [1.25-3.27]; TPN vs no-TPN: 1.53 [1.10-2.13]; P < .01 for all), whereas no-support was protective (HR 0.66 [95% CI 0.48-0.91]). Conclusions: Infants who require paralytics and/or who are TPN-dependent at the time of HTx experience worse one-year PTS. Such knowledge can assist in risk-stratification, and the identification of patients who would benefit from pretransplant optimization.
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Affiliation(s)
- Jason W Greenberg
- The Heart Institute, Cincinnati Children’s Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - James S Tweddell
- The Heart Institute, Cincinnati Children’s Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - David S Winlaw
- The Heart Institute, Cincinnati Children’s Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - David G Lehenbauer
- The Heart Institute, Cincinnati Children’s Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Katja M Gist
- The Heart Institute, Cincinnati Children’s Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Clifford Chin
- The Heart Institute, Cincinnati Children’s Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Farhan Zafar
- The Heart Institute, Cincinnati Children’s Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - David L S Morales
- The Heart Institute, Cincinnati Children’s Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, OH, USA
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11
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Heart transplant indications, considerations and outcomes in Fontan patients: Age-related nuances, transplant listing and disease-specific indications. THE CANADIAN JOURNAL OF CARDIOLOGY 2022; 38:1072-1085. [PMID: 35240250 DOI: 10.1016/j.cjca.2022.02.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 02/09/2022] [Accepted: 02/21/2022] [Indexed: 11/23/2022]
Abstract
In the current era, 5-10% of Fontan patients die or need a transplant in childhood, and approximately 50% will experience the same fate by age 40 years. Heart transplant (HTx) can be successful for selected children and adults with Fontan circulatory failure (FCF) of any mechanism, with a 1-year post-transplant survival approaching 90% in children and 80% in the largest single-centre adult Fontan HTx experience. Protein losing enteropathy and plastic bronchitis can be expected to resolve post-transplant and limited data suggests patients with FALD who survive HTx can expect improvement in liver health. Early Fontan failure, within 12 months of Fontan completion, is not easily rescued by HTx and late referrals / failure to refer adult patients remains problematic. Very little is known about the numbers of patients not referred, turned down following assessment for HTx, or dying on the waiting list which are needed to understand the complete picture of HTx in the Fontan population and to identify where best to focus quality improvement efforts. Recent revisions to listing prioritization in Canada with considerations specific to the Fontan population aim to mitigate the fact that the status listing criteria are not tailored to the congenital heart population. Transplanting high-risk children prior to Fontan completion, developing ACHD transplant centres of expertise which can also offer combined heart-liver transplant when appropriate, and improving single ventricle mechanical support options and criteria for both adults and children may help mitigate the early post-listing mortality.
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Konstantinov IE, Schulz A, Buratto E. Heart transplantation after Fontan operation. JTCVS Tech 2022; 13:182-191. [PMID: 35713585 PMCID: PMC9195631 DOI: 10.1016/j.xjtc.2022.01.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 01/12/2022] [Indexed: 11/09/2022] Open
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13
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Polo López L, González Rocafort Á, Ramchandani Ramchandani B, Rey Lois J, Sánchez Pérez R, Lamas Hernández MJ, Centella Hernández T, Labrandero de Lera C, González Fernández Ó, Aroca Peinado Á. Cardiopatías congénitas, ¿cómo prepararnos para el trasplante?: Aspectos quirúrgicos. CIRUGIA CARDIOVASCULAR 2022. [DOI: 10.1016/j.circv.2021.12.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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