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Well A, Dawson C, Johnson G, Patt H, Fraser CD, Mery CM, Beckerman Z. Hospitalisations of children and adults with Hypoplastic Left Heart Syndrome in Texas from 2009 to 2019. Cardiol Young 2023; 33:1819-1827. [PMID: 36220311 DOI: 10.1017/s1047951122003146] [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] [Indexed: 11/06/2022]
Abstract
INTRODUCTION Hypoplastic Left Heart Syndrome accounts for a significant proportion of CHD morbidity and mortality, despite improvements in care and improved survival. This study evaluates number of, reasons for, and trends in discharges of patients with hypoplastic left heart syndrome over 11 years in Texas. METHODS The Texas Inpatient Discharge Dataset Public Use File captures almost all discharges in Texas and was reviewed from 2009 to 2019. Discharges of patients ≥5 years of age and diagnosis codes for Hypoplastic Left Heart Syndrome were included. The admitting and principle diagnoses were categorised and all discharges were evaluated for procedures performed. Descriptive and univariate statistical analyses were performed. RESULTS A total of 1024 discharges were identified with a 16.9% annual increase over the study period. Median length of stay was 4 [IQR: 2-8] and there were 17 (1.7%) in-hospital mortalities with no differences across age groups. Seven (17.1%) discharges of patients 25+ years were uninsured, higher than other age groups (p < 0.001). The most common admitting diagnosis was CHD and 224 (21.9%) of discharges included a procedure, including 23 heart transplants. Discharges occurred from 67 different hospitals with 4 (6.0%) representing 71.4% of all discharges. CONCLUSIONS Discharges of Hypoplastic Left Heart Syndrome have increased rapidly, particularly in the older age groups and were spread over a large number of hospitals. Further work is needed to understand the interplay between Hypoplastic Left Heart Syndrome and other conditions and care experiences that occur within the general population, which will become more common as this population ages and grows.
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Affiliation(s)
- Andrew Well
- Texas Center for Pediatric and Congenital Heart Disease, UT Health Austin and Dell Children's Medical Center, Austin, TX, USA
- Department of Surgery and Perioperative Care, University of Texas at Austin Dell Medical School, Austin, TX, USA
| | - Catherine Dawson
- Texas Center for Pediatric and Congenital Heart Disease, UT Health Austin and Dell Children's Medical Center, Austin, TX, USA
- University of Texas at Austin Dell Medical School, Austin, TX, USA
| | - Gregory Johnson
- Texas Center for Pediatric and Congenital Heart Disease, UT Health Austin and Dell Children's Medical Center, Austin, TX, USA
- Department of Pediatrics, University of Texas at Austin Dell Medical School, Austin, TX, USA
| | - Hanoch Patt
- Texas Center for Pediatric and Congenital Heart Disease, UT Health Austin and Dell Children's Medical Center, Austin, TX, USA
- Department of Pediatrics, University of Texas at Austin Dell Medical School, Austin, TX, USA
| | - Charles D Fraser
- Texas Center for Pediatric and Congenital Heart Disease, UT Health Austin and Dell Children's Medical Center, Austin, TX, USA
- Department of Surgery and Perioperative Care, University of Texas at Austin Dell Medical School, Austin, TX, USA
| | - Carlos M Mery
- Texas Center for Pediatric and Congenital Heart Disease, UT Health Austin and Dell Children's Medical Center, Austin, TX, USA
- Department of Surgery and Perioperative Care, University of Texas at Austin Dell Medical School, Austin, TX, USA
| | - Ziv Beckerman
- Texas Center for Pediatric and Congenital Heart Disease, UT Health Austin and Dell Children's Medical Center, Austin, TX, USA
- Department of Surgery and Perioperative Care, University of Texas at Austin Dell Medical School, Austin, TX, USA
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Laubham M, Blais B, Kamp AN. Atrial Arrhythmias in Adults with Fontan Palliation. Cardiol Ther 2023; 12:473-487. [PMID: 37495769 PMCID: PMC10423191 DOI: 10.1007/s40119-023-00326-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 07/14/2023] [Indexed: 07/28/2023] Open
Abstract
Single ventricle physiology is a rare form of congenital heart disease and was, historically, a uniformly lethal condition. However, the atriopulmonary Fontan operation, and its successive iterations, the lateral tunnel and extracardiac conduit Fontan, became the fundamental approach to treating single ventricle heart disease. Over time, dysrhythmias are some of the most common complications with Fontan physiology, compounding morbidity and mortality. Atrial arrhythmias are prevalent in the Fontan population and occur in about 15-60% of patients with Fontan palliation, increasingly with age. Diagnosing atrial arrhythmias in patients with Fontan palliation may be challenging because of low voltage amplitudes arising from myopathic atrial tissue making it difficult to clearly assess atrial depolarization on surface electrocardiograms (ECG), vague symptoms not suggestive of tachyarrhythmia, or atrial arrhythmia with ventricular rates below 100 beats per minute. Intra-atrial reentrant tachycardia (IART) is the most common type of supraventricular tachycardia in adults with Fontan palliation. Acute management of atrial arrhythmias in patients with Fontan palliation involves prompt assessment of a patient's hemodynamic stability, anticoagulation and thrombosis risk, systemic ventricular function, and risk of sedation or anesthesia if needed. Long-term management of atrial arrhythmias is often multifactorial and may include long-term anti-arrhythmic therapy, permanent pacing, and ablation. The best approach for the management of atrial arrhythmias in adults with Fontan palliation is patient-specific and involves collaboration between congenital electrophysiologists, adult congenital cardiologists, and the patient.
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Affiliation(s)
- Matthew Laubham
- Nationwide Children's Hospital, 700 Children's Drive, Columbus, OH, 43205, USA.
| | - Ben Blais
- Nationwide Children's Hospital, 700 Children's Drive, Columbus, OH, 43205, USA
- The Ohio State University School of Medicine, Columbus, OH, USA
| | - Anna N Kamp
- Nationwide Children's Hospital, 700 Children's Drive, Columbus, OH, 43205, USA
- The Ohio State University School of Medicine, Columbus, OH, USA
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Special Considerations in Critical Care of the Congenital Heart Disease Patient. Can J Cardiol 2023; 39:544-557. [PMID: 36682483 DOI: 10.1016/j.cjca.2023.01.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 01/16/2023] [Accepted: 01/17/2023] [Indexed: 01/21/2023] Open
Abstract
Outcomes of congenital heart disease have improved markedly over the past 20 years, with survival to adulthood now close to 90%. The mean age of admission to an intensive care unit (ICU) is 40 years. The incidence of hospital and critical care admissions have increased significantly as a consequence of this improved survival. Intensivists are now confronted with the management not only of complex adult congenital heart disease (ACHD) lesions from a cardiac perspective, but also of extracardiac organ consequences of years of abnormal circulation after surgical or palliative correction. Kidney and liver dysfunction and respiratory and hematologic abnormalities are very common in this population. ACHD patients can present to the ICU for a vast number of reasons, classified in this review as medical noncardiac, medical cardiac, and surgical. Community/hospital-acquired infections, cerebrovascular accidents, and respiratory failure, alongside arrhythmias and heart failure, are responsible for medical admissions. Surgical admissions include postoperative management after correction or palliation, but also medical optimisation and work-up for advanced therapies. ICU management of this large heterogeneous group requires a thorough understanding of the pathophysiology in order to apply conventional adult critical care modalities; left ventricular or right ventricular dysfunction, pulmonary hypertension, intracardiac, extracardiac, and palliative surgical shunts can be present and require additional consideration. This review focuses on the pathophysiology, long-term sequelae, and different treatment modalities to supply a framework for the ICU physician caring for these patients. Successful outcome, especially in complex lesions, depends on early involvement of specialised ACHD centres.
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Neethling E, Heggie JE. Considerations in Critical Care and Anesthetic Management of Adult Patients Living with Fontan Circulation. Can J Cardiol 2022; 38:1100-1110. [PMID: 35490923 DOI: 10.1016/j.cjca.2022.04.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 04/21/2022] [Accepted: 04/21/2022] [Indexed: 11/02/2022] Open
Abstract
The Fontan procedure is a staged palliation for various complex congenital cardiac lesions, including tricuspid atresia (TA), pulmonary atresia (PA), hypoplastic left heart syndrome (HLHS), and double inlet left ventricle (DILV), all of which involve a functional single-ventricle physiology. The complexity of the patients' original anatomy combined with the anatomical and physiological consequences of the Fontan circulation creates challenges. Teens and adults living with Fontan palliation will need perioperative support for non-cardiac surgery, peripartum management for labor and delivery, interventions related to their structural heart disease, electrophysiology procedures, pacemakers, cardioversions, cardiac surgery, transplant, and advanced mechanical support. This review focuses on the anesthetic and ICU management of these patients during their perioperative journey, with an emphasis on the continuity of pre-intervention planning, referral pathways, and post-intervention intensive care unit (ICU) management. Requests for recipes and doses of medications are frequent; however, as in normal anesthesia and ICU practice, the method of anesthesia and dosing are dependent on the presenting medical/surgical conditions and the underlying anatomy and physiological reserve. A patient with Fontan palliation in their early 20s attending school full-time with a cavopulmonary connection is likely to have more reserve than a patient in their late 40s with an atrio- pulmonary (AP) Fontan at home waiting for a heart transplant. Each case will require an anesthetic and critical care plan tailored to their situation. The critical care environment is a natural extension of the anesthetic management of a patient, with complex considerations for a patient with Fontan palliation.
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Affiliation(s)
| | - Jane E Heggie
- Toronto General Hospital, University Health Network, Toronto.
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Driesen BW, Voskuil M, Grotenhuis HB. Current Treatment Options for the Failing Fontan Circulation. Curr Cardiol Rev 2022; 18:e060122200067. [PMID: 34994331 PMCID: PMC9893132 DOI: 10.2174/1573403x18666220106114518] [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: 12/21/2020] [Revised: 10/22/2021] [Accepted: 11/16/2021] [Indexed: 11/22/2022] Open
Abstract
The Fontan operation was introduced in 1968. For congenital malformations, where biventricular repair is unsuitable, the Fontan procedure has provided a long-term palliation strategy with improved outcomes compared to the initially developed procedures. Despite these improvements, several complications merely due to a failing Fontan circulation, including myocardial dysfunction, arrhythmias, increased pulmonary vascular resistance, protein-losing enteropathy, hepatic dysfunction, plastic bronchitis, and thrombo-embolism, may occur, thereby limiting the life-expectancy in this patient cohort. This review provides an overview of the most common complications of Fontan circulation and the currently available treatment options.
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Affiliation(s)
- Bart W. Driesen
- Department of Pediatric Cardiology, Wilhelmina Children’s Hospital, University Medical Center, Utrecht, Utrecht, The Netherlands
- Department of Cardiology, University Medical Center Utrecht, Utrecht, The Netherlands
- Department of Cardiology, Laurentius Ziekenhuis, Roermond, The Netherlands
| | - Michiel Voskuil
- Department of Cardiology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Heynric B. Grotenhuis
- Department of Pediatric Cardiology, Wilhelmina Children’s Hospital, University Medical Center, Utrecht, Utrecht, The Netherlands
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Lang SS, Valeri A, Storm PB, Heuer GG, Tucker AM, Kennedy BC, Kozyak BW, Sinha A, Kilbaugh TJ, Huh JW. Acute neurological injury in pediatric patients with single-ventricle congenital heart disease. J Neurosurg Pediatr 2021; 28:335-343. [PMID: 34243155 DOI: 10.3171/2021.2.peds2142] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 02/22/2021] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Single-ventricle congenital heart disease (CHD) in pediatric patients with Glenn and Fontan physiology represents a unique physiology requiring the surgical diversion of the systemic venous return from the superior vena cava (Glenn) and then the inferior vena cava (Fontan) directly to the pulmonary arteries. Because many of these patients are on chronic anticoagulation therapy and may have right-to-left shunts, arrhythmias, or lymphatic disorders that predispose them to bleeding and/or clotting, they are at risk of experiencing neurological injury requiring intubation and positive pressure ventilation, which can significantly hamper pulmonary blood flow and cardiac output. The aim of this study was to describe the complex neurological and cardiopulmonary interactions of these pediatric patients after acute central nervous system (CNS) injury. METHODS The authors retrospectively analyzed the records of pediatric patients who had been admitted to a quaternary children's hospital with CHD palliated to bidirectional Glenn (BDG) or Fontan circulation and acute CNS injury and who had undergone intubation and mechanical ventilation. Patients who had been admitted from 2005 to 2019 were included in the study. Clinical characteristics, surgical outcomes, cardiovascular and pulmonary data, and intracranial pressure data were collected and analyzed. RESULTS Nine pediatric single-ventricle patients met the study inclusion criteria. All had undergone the BDG procedure, and the majority (78%) were status post Fontan palliation. The mean age was 7.4 years (range 1.3-17.3 years). At the time of acute CNS injury, which included traumatic brain injury, intracranial hemorrhage, and cerebral infarct, the median time interval from the most recent cardiac surgical procedure was 3 years (range 2 weeks-11 years). Maintaining normocarbia to mild hypercarbia for most patients during intubation periods did not cause neurological deterioration, and hemodynamic profiles were more favorable as compared to periods of hypocarbia. Hypocarbia was associated with unfavorable hemodynamics but was necessary to decrease intracranial hypertension. Most patients were managed using low mean airway pressure (MAWP) in order to minimize the impact on preload and cardiac output. CONCLUSIONS The authors highlight the complex neurological and cardiopulmonary interactions with respect to partial pressure of arterial CO2 (PaCO2) and MAWP when pediatric CHD patients with single-ventricle physiology require mechanical ventilation. The study data demonstrated that tight control of PaCO2 and minimizing MAWP with the goal of early extubation may be beneficial in this population. A multidisciplinary team of pediatric critical care intensivists, cardiac intensivists and anesthesiologists, and pediatric neurosurgeons and neurologists are recommended to ensure the best possible outcomes.
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Affiliation(s)
- Shih-Shan Lang
- 1Division of Neurosurgery, Children's Hospital of Philadelphia, Department of Neurosurgery, University of Pennsylvania, Perelman School of Medicine, Philadelphia
- 2Center for Data Driven Discovery in Biomedicine, Children's Hospital of Philadelphia, Philadelphia
| | - Amber Valeri
- 3Department of Neurosurgery, Philadelphia College of Osteopathic Medicine, Philadelphia
| | - Phillip B Storm
- 1Division of Neurosurgery, Children's Hospital of Philadelphia, Department of Neurosurgery, University of Pennsylvania, Perelman School of Medicine, Philadelphia
- 2Center for Data Driven Discovery in Biomedicine, Children's Hospital of Philadelphia, Philadelphia
| | - Gregory G Heuer
- 1Division of Neurosurgery, Children's Hospital of Philadelphia, Department of Neurosurgery, University of Pennsylvania, Perelman School of Medicine, Philadelphia
- 2Center for Data Driven Discovery in Biomedicine, Children's Hospital of Philadelphia, Philadelphia
| | - Alexander M Tucker
- 1Division of Neurosurgery, Children's Hospital of Philadelphia, Department of Neurosurgery, University of Pennsylvania, Perelman School of Medicine, Philadelphia
- 2Center for Data Driven Discovery in Biomedicine, Children's Hospital of Philadelphia, Philadelphia
| | - Benjamin C Kennedy
- 1Division of Neurosurgery, Children's Hospital of Philadelphia, Department of Neurosurgery, University of Pennsylvania, Perelman School of Medicine, Philadelphia
- 2Center for Data Driven Discovery in Biomedicine, Children's Hospital of Philadelphia, Philadelphia
| | - Benjamin W Kozyak
- 4Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, University of Pennsylvania, Perelman School of Medicine, Philadelphia
- 5Division of Cardiac Critical Care Medicine, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania; and
| | - Anjuli Sinha
- 4Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, University of Pennsylvania, Perelman School of Medicine, Philadelphia
- 6Division of Pediatric Cardiology, Lucile Packard Stanford Children's Hospital, Palo Alto, California
| | - Todd J Kilbaugh
- 4Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, University of Pennsylvania, Perelman School of Medicine, Philadelphia
| | - Jimmy W Huh
- 4Department of Anesthesiology and Critical Care Medicine, Children's Hospital of Philadelphia, University of Pennsylvania, Perelman School of Medicine, Philadelphia
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Vaikunth SS, Lui GK. Heart failure with reduced and preserved ejection fraction in adult congenital heart disease. Heart Fail Rev 2021; 25:569-581. [PMID: 31873841 DOI: 10.1007/s10741-019-09904-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Heart failure with reduced ejection fraction (HFrEF) is common in patients with adult congenital heart disease. Many of the most common congenital defects have a high prevalence of HFrEF, including left-sided obstructive lesions (aortic stenosis, coarctation of the aorta, Shone complex), tetralogy of Fallot, Ebstein anomaly, lesions in which there is a systemic right ventricle, and lesions palliated with a Fontan circulation. However, heart failure with preserved ejection fraction (HFpEF) is also prevalent in all these lesions. Comprehensive evaluation includes physical exam, biomarkers, echocardiography and advanced imaging, exercise stress testing, and, in some cases, invasive hemodynamics. Guideline-directed medical therapy for HFrEF can be applied to left-sided lesions and may be considered on an individual basis for systemic right ventricle and single-ventricle patients. Medical therapy is limited for HFpEF. However, in both HFrEF and HFpEF, ventricular dyssynchrony and arrhythmias play an important role, and medications for rhythm control, ablation, and cardiac resynchronization therapy should be considered. Finally, aggressive management of cardiovascular risk factors and comorbidities, including, but not limited to, hypertension, obesity, diabetes, dyslipidemia, and obstructive sleep apnea, cannot be overemphasized.
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Affiliation(s)
- Sumeet S Vaikunth
- Department of Medicine, Division of Cardiovascular Medicine, Stanford University School of Medicine, Palo Alto, CA, USA.
| | - George K Lui
- Department of Medicine, Division of Cardiovascular Medicine, Stanford University School of Medicine, Palo Alto, CA, USA.,Department of Pediatrics, Division of Pediatric Cardiology, Stanford University School of Medicine, Palo Alto, CA, USA
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Ntiloudi D, Dimopoulos K, Tzifa A, Karvounis H, Giannakoulas G. Hospitalizations in adult patients with congenital heart disease: an emerging challenge. Heart Fail Rev 2020; 26:347-353. [PMID: 32914242 DOI: 10.1007/s10741-020-10026-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/03/2020] [Indexed: 10/23/2022]
Abstract
The vast majority of patients with congenital heart disease (CHD) survive into adulthood, but many face lifelong complications, which often result in a hospital admission. The increasing number of hospitalizations in adults with CHD (ACHD) poses a significant challenge for healthcare systems globally, especially as heart failure (HF) is becoming increasingly common in this population and is the leading cause of morbidity and mortality. Besides HF, other major contributors to this increase in admission volume are hospitalizations related to mild lesions, comorbidities and pregnancies. Ιn-hospital mortality ranges between 0.8 and 6.1%, while hospitalizations related to HF predict medium-term mortality in ACHD population. Understanding the predictors of hospitalization and in-hospital mortality is, therefore, important for ACHD healthcare providers, who should identify patients at risk that require escalation of treatment and/or close monitoring. This article reviews the available literature on hospitalization patterns in ACHD patients, with a focus on HF-related hospital admissions and specific diagnostic subgroups.
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Affiliation(s)
- Despoina Ntiloudi
- Cardiology Department, AHEPA University Hospital, Aristotle University of Thessaloniki, St. Kyriakidi str 1, 546 36, Thessaloniki, Greece
| | - Konstantinos Dimopoulos
- Adult Congenital Heart Centre and Centre for Pulmonary Hypertension, Royal Brompton Hospital and National Heart and Lung Institute, Imperial College London, London, UK
| | - Aphrodite Tzifa
- Department of Congenital Cardiology and Cardiac Surgery, Mitera Hospital, Athens, Greece.,Biomedical Engineering & Imaging Sciences, King's College London, London, UK
| | - Haralambos Karvounis
- Cardiology Department, AHEPA University Hospital, Aristotle University of Thessaloniki, St. Kyriakidi str 1, 546 36, Thessaloniki, Greece
| | - George Giannakoulas
- Cardiology Department, AHEPA University Hospital, Aristotle University of Thessaloniki, St. Kyriakidi str 1, 546 36, Thessaloniki, Greece.
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Ohuchi H, Negishi J, Hayama Y, Miike H, Suzuki D, Nakajima K, Konagai N, Iwasa T, Sakaguchi H, Kurosaki K, Nakai M. Abnormal glucose metabolism in patients with Fontan circulation: Unique characteristics and associations with Fontan pathophysiology. Am Heart J 2019; 216:125-135. [PMID: 31425899 DOI: 10.1016/j.ahj.2019.07.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2019] [Accepted: 07/19/2019] [Indexed: 12/20/2022]
Abstract
BACKGROUND Fontan patients exhibit a high prevalence of abnormal glucose metabolism (AGM). We aimed to characterize AGM and clarify its association with Fontan pathophysiology. METHODS We prospectively evaluated AGM with plasma glucose dynamics [mg/dL; fasting glucose (FPG), and maximum glucose increase (PG-spike)] during oral glucose tolerance test and hemoglobin A1c (HbA1c) in 276 consecutive Fontan patients (aged 19 ± 7 years). Of these, 176 patients had serial AGM assessments with a mean interval of 6.5 years. RESULTS Initial analysis revealed a high prevalence of impaired glucose tolerance (38.4%) and diabetes mellitus (DM) (4.7%), and positive family history, high HbA1c, and high central venous pressure independently predicted presence of DM. HbA1c was independently determined by hypersplenism and presence of DM (P < .05). Serial assessments revealed an increased PG-spike and a decreased HbA1c (P < .001 for both). Prevalence of DM increased (6.3% to 10.3%), and positive family history, high liver enzymes, and AGM predicted new onset of DM (P < .05 for all). Twenty-one patients died during 7.1-year follow-up. FPG (P < .01) and PG-spike (P < .05) independently predicted all-cause mortality. Particularly, patients with FPG ≤ 74 and/or PG-spike ≥85 had a mortality rate 8.7 times higher than those without (P = .0129). CONCLUSIONS AGM progressed even in young adult Fontan patients, and HbA1c showed limited predictive value for progression. Oral glucose tolerance test plays important roles in uncovering unique Fontan AGM as well as predicting all-cause mortality.
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Rychik J, Atz AM, Celermajer DS, Deal BJ, Gatzoulis MA, Gewillig MH, Hsia TY, Hsu DT, Kovacs AH, McCrindle BW, Newburger JW, Pike NA, Rodefeld M, Rosenthal DN, Schumacher KR, Marino BS, Stout K, Veldtman G, Younoszai AK, d'Udekem Y. Evaluation and Management of the Child and Adult With Fontan Circulation: A Scientific Statement From the American Heart Association. Circulation 2019; 140:e234-e284. [PMID: 31256636 DOI: 10.1161/cir.0000000000000696] [Citation(s) in RCA: 407] [Impact Index Per Article: 81.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
It has been 50 years since Francis Fontan pioneered the operation that today bears his name. Initially designed for patients with tricuspid atresia, this procedure is now offered for a vast array of congenital cardiac lesions when a circulation with 2 ventricles cannot be achieved. As a result of technical advances and improvements in patient selection and perioperative management, survival has steadily increased, and it is estimated that patients operated on today may hope for a 30-year survival of >80%. Up to 70 000 patients may be alive worldwide today with Fontan circulation, and this population is expected to double in the next 20 years. In the absence of a subpulmonary ventricle, Fontan circulation is characterized by chronically elevated systemic venous pressures and decreased cardiac output. The addition of this acquired abnormal circulation to innate abnormalities associated with single-ventricle congenital heart disease exposes these patients to a variety of complications. Circulatory failure, ventricular dysfunction, atrioventricular valve regurgitation, arrhythmia, protein-losing enteropathy, and plastic bronchitis are potential complications of the Fontan circulation. Abnormalities in body composition, bone structure, and growth have been detected. Liver fibrosis and renal dysfunction are common and may progress over time. Cognitive, neuropsychological, and behavioral deficits are highly prevalent. As a testimony to the success of the current strategy of care, the proportion of adults with Fontan circulation is increasing. Healthcare providers are ill-prepared to tackle these challenges, as well as specific needs such as contraception and pregnancy in female patients. The role of therapies such as cardiovascular drugs to prevent and treat complications, heart transplantation, and mechanical circulatory support remains undetermined. There is a clear need for consensus on how best to follow up patients with Fontan circulation and to treat their complications. This American Heart Association statement summarizes the current state of knowledge on the Fontan circulation and its consequences. A proposed surveillance testing toolkit provides recommendations for a range of acceptable approaches to follow-up care for the patient with Fontan circulation. Gaps in knowledge and areas for future focus of investigation are highlighted, with the objective of laying the groundwork for creating a normal quality and duration of life for these unique individuals.
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Management of Heart Failure in Adult Congenital Heart Disease. Prog Cardiovasc Dis 2018; 61:308-313. [DOI: 10.1016/j.pcad.2018.08.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Accepted: 08/09/2018] [Indexed: 12/14/2022]
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