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O'Meara K, Stone G, Buch E, Brownstein A, Saggar R, Channick R, Sherman AE, Bender A. Atrial Arrhythmias in Patients With Pulmonary Hypertension. Chest 2024; 166:201-211. [PMID: 38453002 DOI: 10.1016/j.chest.2024.03.002] [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: 10/03/2023] [Revised: 03/01/2024] [Accepted: 03/04/2024] [Indexed: 03/09/2024] Open
Abstract
TOPIC IMPORTANCE Atrial arrhythmias (AA) are common in patients with pulmonary hypertension (PH) and contribute to morbidity and mortality. Given the growing PH population, understanding the pathophysiology, clinical impact, and management of AA in PH is important. REVIEW FINDINGS AA occurs in PH with a 5-year incidence of 10% to 25%. AA confers a higher morbidity and mortality, and restoration of normal sinus rhythm improves survival and functionality. AA is thought to develop because of structural alterations of the right atrium caused by changes to the right ventricle (RV) due to elevated pulmonary artery pressures. AA can subsequently worsen RV function. Current guidelines do not provide comprehensive recommendations for the management of AA in PH. Robust evidence to favor a specific treatment approach is lacking. Although the role of medical rate or rhythm control, and the use of cardioversion and ablation, can be inferred from other populations, evidence is lacking in the PH population. Much remains to be determined regarding the optimal management strategy. We present here our institutional approach and discuss areas for future research. SUMMARY This review highlights the epidemiology and pathophysiology of AA in patients with PH, describes the relationship between AA and RV dysfunction, and discusses current management practices. We outline our institutional approach and offer directions for future investigation.
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MESH Headings
- Humans
- Hypertension, Pulmonary/physiopathology
- Hypertension, Pulmonary/therapy
- Hypertension, Pulmonary/epidemiology
- Hypertension, Pulmonary/diagnosis
- Hypertension, Pulmonary/etiology
- Arrhythmias, Cardiac/physiopathology
- Arrhythmias, Cardiac/therapy
- Arrhythmias, Cardiac/epidemiology
- Arrhythmias, Cardiac/etiology
- Atrial Fibrillation/physiopathology
- Atrial Fibrillation/therapy
- Atrial Fibrillation/complications
- Atrial Fibrillation/epidemiology
- Ventricular Dysfunction, Right/physiopathology
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Affiliation(s)
- Kyle O'Meara
- Department of Pulmonary & Critical Care Medicine, Cedars Sinai Medical Center, Los Angeles, CA
| | - Gregory Stone
- UCLA Department of Internal Medicine, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Eric Buch
- UCLA Cardiac Arrhythmia Center, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Adam Brownstein
- Division of Pulmonary, Critical Care, Sleep Medicine, Clinical Immunology and Allergy, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Rajan Saggar
- Division of Pulmonary, Critical Care, Sleep Medicine, Clinical Immunology and Allergy, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Richard Channick
- Division of Pulmonary, Critical Care, Sleep Medicine, Clinical Immunology and Allergy, David Geffen School of Medicine at UCLA, Los Angeles, CA.
| | - Alexander E Sherman
- Division of Pulmonary, Critical Care, Sleep Medicine, Clinical Immunology and Allergy, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Aron Bender
- UCLA Cardiac Arrhythmia Center, David Geffen School of Medicine at UCLA, Los Angeles, CA
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Papolos AI, Kenigsberg BB, Austin DR, Barnett CF. Management of the peri-intubation period in patients with pulmonary arterial hypertension and respiratory failure. Curr Cardiol Rep 2024:10.1007/s11886-024-02081-y. [PMID: 38913233 DOI: 10.1007/s11886-024-02081-y] [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] [Accepted: 06/10/2024] [Indexed: 06/25/2024]
Abstract
PURPOSE OF REVIEW The endotracheal intubation of patients with pulmonary arterial hypertension (PAH) in respiratory distress is a highly morbid procedure that can precipitate hemodynamic collapse. Here we review our strategy for confronting this difficult clinical situation. RECENT FINDINGS There are no clinical trials that explore best practices in the management of patients with PAH and respiratory failure. Here we provide a practical approach to respiratory support, inopressor and pulmonary vasodilator selection, hemodynamic considerations, point-of-care ultrasound monitoring, and endotracheal intubation in patients with PAH in respiratory failure.
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Affiliation(s)
- Alexander I Papolos
- Department of Critical Care, MedStar Washington Hospital Center, Washington, DC, USA.
- Division of Cardiology, MedStar Washington Hospital Center, Washington, DC, USA.
| | - Benjamin B Kenigsberg
- Department of Critical Care, MedStar Washington Hospital Center, Washington, DC, USA
- Division of Cardiology, MedStar Washington Hospital Center, Washington, DC, USA
| | - Daniel R Austin
- Department of Critical Care, MedStar Washington Hospital Center, Washington, DC, USA
- Department of Anesthesiology, MedStar Washington Hospital Center, Washington, DC, USA
| | - Christopher F Barnett
- Division of Cardiology, University of California-San Francisco School of Medicine, San Francisco, CA, USA
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3
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Anand S, Cronin EM. Arrhythmias in Patients with Pulmonary Hypertension and Right Ventricular Failure: Importance of Rhythm Control Strategies. J Clin Med 2024; 13:1866. [PMID: 38610631 PMCID: PMC11012772 DOI: 10.3390/jcm13071866] [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: 02/05/2024] [Revised: 03/14/2024] [Accepted: 03/19/2024] [Indexed: 04/14/2024] Open
Abstract
Arrhythmias frequently complicate the course of advanced pulmonary hypertension, often leading to hemodynamic compromise, functional impairment, and mortality. Given the importance of right atrial function in this physiology, the restoration and maintenance of sinus rhythm are of critical importance. In this review, we outline the pathophysiology of arrhythmias and their impact on right heart performance; describe considerations for antiarrhythmic drug selection, anesthetic and periprocedural management; and discuss the results of catheter ablation techniques in this complex and challenging patient population.
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Affiliation(s)
| | - Edmond M. Cronin
- Section of Cardiology, Department of Medicine, Lewis Katz School of Medicine at Temple University, Philadelphia, PA 19140, USA;
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4
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Slavich M, Ricchetti G, Demarchi B, Cavalli G, Spoladore R, Federico A, Federico F, Bezzi C, Margonato A, Fragasso G. Clinical and functional effects of beta-blocker therapy discontinuation in patients with biventricular heart failure. J Cardiovasc Med (Hagerstown) 2024; 25:141-148. [PMID: 38149700 DOI: 10.2459/jcm.0000000000001571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2023]
Abstract
BACKGROUND Nearly two-thirds of patients with heart failure with reduced ejection fraction (HFrEF) have right ventricular dysfunction, previously identified as an independent predictor of reduced functional capacity and poor prognosis. Beta-blocker therapy (β-BT) reduces mortality and hospitalizations in patients with HFrEF and is approved as first-line therapy regardless of concomitant right ventricular function. However, the exact role of sympathetic nervous system activation in right ventricular dysfunction and the potential usefulness (or harmfulness) of β-BT in these patients are still unclear. OBJECTIVES The aim of the study is to evaluate the medium-term effect of β-BT discontinuation on functional capacity and right ventricular remodelling based on cardiopulmonary exercise testing (CPET), echocardiography and serum biomarkers in patients with clinically stable biventricular dysfunction. METHODS In this single-centre, open-label, prospective trial, 16 patients were enrolled using the following criteria: patients were clinically stable without signs of peripheral congestion; NYHA II-III while on optimal medical therapy (including β-BT); LVEF 40% or less; echocardiographic criteria of right ventricular dysfunction. Patients were randomized 1 : 1 either to withdraw (group 0) or continue (group 1) β-BT. In group 0, optimal heart rate was obtained with alternative rate-control drugs. Echo and serum biomarkers were performed at baseline, after 3 and 6 months; CPET was performed at baseline and 6 months. Mann--Whitney U test was adopted to determine the relationships between β-BT discontinuation and effects on right ventricular dysfunction. RESULTS At 6 months' follow up, S' DTI improved (ΔS': 1.01 vs. -0.92 cm/s; P = 0.03), while estimated PAPs (ΔPAPs: 0.8 vs. -7.5 mmHg; P = 0.04) and echo left ventricular-remodelling (ΔEDVi: 19.55 vs. -0.96 ml/mq; P = 0.03) worsened in group 0. In absolute terms, the only variables significantly affected by β-BT withdrawal were left ventricular EDV and ESV, appearing worse in group 0 (mean EDVi 115 vs. 84 ml/mq; mean ESVi 79 vs. 53.9 ml/mq, P = 0.03). No significant changes in terms of functional capacity were observed after β-BT withdrawal. CONCLUSION In HFrEF patients with concomitant right ventricular dysfunction, β-BT discontinuation did not produce any beneficial effects. In addition, despite maintenance of optimal heart rate control, β-BT discontinuation induced worsening of left ventricular remodelling. Our study corroborates the hypothesis that improvement in left ventricular function may likewise be a major determinant for improvement in right ventricular function, reducing pulmonary wedge pressure and right ventricular afterload, with only a marginal action of its negative inotropic effect. In conclusion, β-BT appears beneficial also in heart failure patients with biventricular dysfunction.
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Affiliation(s)
- Massimo Slavich
- Department of Cardiology, IRCCS San Raffaele Scientific Institute
| | | | - Barbara Demarchi
- Department of Cardiology, IRCCS San Raffaele Scientific Institute
| | - Giulio Cavalli
- Immunology, Rheumatology, Allergology and Rare Diseases Unit, IRCCS Ospedale San Raffaele
| | | | - Anna Federico
- Faculty of Medicine and Surgery, Vita-Salute San Raffaele University, Milan, Italy
| | | | - Carolina Bezzi
- Nuclear Medicine Department, IRCCS San Raffaele Scientific Institute
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5
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Krompa A, Marino P. Diagnosis and management of pulmonary hypertension related to chronic respiratory disease. Breathe (Sheff) 2022; 18:220205. [PMID: 36865930 PMCID: PMC9973528 DOI: 10.1183/20734735.0205-2022] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 11/03/2022] [Indexed: 01/12/2023] Open
Abstract
Pulmonary hypertension (PH) is a recognised and significant complication of chronic lung disease (CLD) and hypoxia (referred to as group 3 PH) that is associated with increased morbidity, decreased quality of life and worse survival. The prevalence and severity of group 3 PH varies within the current literature, with the majority of CLD-PH patients tending to have non-severe disease. The aetiology of this condition is multifactorial and complex, while the prevailing pathogenetic mechanisms include hypoxic vasoconstriction, parenchymal lung (and vascular bed) destruction, vascular remodelling and inflammation. Comorbidities such as left heart dysfunction and thromboembolic disease can further confound the clinical picture. Noninvasive assessment is initially undertaken in suspected cases (e.g. cardiac biomarkers, lung function, echocardiogram), while haemodynamic evaluation with right heart catheterisation remains the diagnostic gold standard. For patients with suspected severe PH, those with a pulmonary vascular phenotype or when there is uncertainty regarding further management, referral to specialist PH centres for further investigation and definitive management is mandated. No disease-specific therapy is currently available for group 3 PH and the focus of management remains optimisation of the underlying lung therapy, along with treating hypoventilation syndromes as indicated.
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Affiliation(s)
- Anastasia Krompa
- Lane Fox Respiratory Service, Guy's and St Thomas’ Hospital NHS Foundation Trust, London, UK
| | - Philip Marino
- Lane Fox Respiratory Service, Guy's and St Thomas’ Hospital NHS Foundation Trust, London, UK,Corresponding author: Philip Marino ()
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6
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Abbasi MA, Stoller DA, Lyden E, Lowes BD, Zolty R, Lundgren SW. Impact of digoxin utilization on clinical outcomes following left ventricular assist device implantation. Int J Artif Organs 2022; 45:919-926. [PMID: 35945816 DOI: 10.1177/03913988221112684] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
INTRODUCTION We aimed to assess the impact of digoxin use following left ventricular assist device (LVAD) implantation on clinical outcomes. METHODS Patients implanted with continuous flow LVADs at a single academic medical center and survived to initial hospital discharge were included in the analysis (n = 346). Clinical events were captured at a maximum of 2 years of follow up. Digoxin use was defined as 30-day continuous use post-LVAD. Negative binomial regression and Kaplan-Meier method were used to assess the association between digoxin use and clinical outcomes. RESULTS Mean age of the cohort was 56 years (±13) and 23% (79/346) were female sex. Digoxin was used in 144 patients (41.6%) for a median of 268 days (IQR 154, 616). Digoxin use was associated with a significant reduction in cumulative incidence of gastrointestinal bleeding (GIB) (15% vs 26%, p = 0.004). After adjusting for age, hypertension, post-operative hemoglobin, RDW, potassium, and GFR, and use of angiotensin receptor/neprilysin inhibitor, there remained a significant 47% reduction in GIB incidence in patients treated with digoxin. There was no significant difference in cumulative incidence in right ventricular failure (RVF) between the two groups. There was no difference in overall 2-year survival between groups. CONCLUSIONS Digoxin use was associated with reduction in GIB events, but not in RVF or mortality. Further studies are needed to confirm these findings and to investigate optimal timing and patient population.
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Affiliation(s)
- Muhannad Aboud Abbasi
- Division of Cardiology, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE, USA
| | - Douglas A Stoller
- Division of Cardiology, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE, USA
| | - Elizabeth Lyden
- College of Public Health, University of Nebraska Medical Center, Omaha, NE, USA
| | - Brian D Lowes
- Division of Cardiology, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE, USA
| | - Ronald Zolty
- Division of Cardiology, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE, USA
| | - Scott W Lundgren
- Division of Cardiology, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE, USA
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7
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Pregnancy in Pulmonary Arterial Hypertension: A Multidisciplinary Approach. J Cardiovasc Dev Dis 2022; 9:jcdd9060196. [PMID: 35735825 PMCID: PMC9225127 DOI: 10.3390/jcdd9060196] [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: 05/09/2022] [Revised: 06/07/2022] [Accepted: 06/15/2022] [Indexed: 02/04/2023] Open
Abstract
Pulmonary arterial hypertension (PAH), a female predominant disease, carries a high maternal and fetal mortality in pregnancy despite improved insight and the development of novel therapies. The high risk is attributed to the adaptive changes that take place to promote healthy fetal development during pregnancy, which can adversely affect the already compromised right ventricle in patients with PAH. While in the prior era emphasis was placed on termination of pregnancy, here we will illustrate through a multidisciplinary approach and meticulous planning at an expert center, these high-risk women can undergo successful childbirth.
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8
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Hsieh MCW, Wang WT, Yeh JL, Lin CY, Kuo YR, Lee SS, Hou MF, Wu YC. The Potential Application and Promising Role of Targeted Therapy in Pulmonary Arterial Hypertension. Biomedicines 2022; 10:biomedicines10061415. [PMID: 35740436 PMCID: PMC9220101 DOI: 10.3390/biomedicines10061415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Revised: 06/09/2022] [Accepted: 06/13/2022] [Indexed: 11/22/2022] Open
Abstract
Pulmonary arterial hypertension (PAH) is a rare yet serious progressive disorder that is currently incurable. This female-predominant disease unfolds as a pan-vasculopathy that affects all layers of the vessel wall. Five classes of pharmacological agents currently exist to target the three major cellular signaling pathways identified in PAH but are incapable of effectively reversing the disease progression. While several targets have been identified for therapy, none of the current PAH specific therapies are curative and cost-effective as they fail to reverse vascular remodeling and do not address the cancer-like features of PAH. Our purpose is to review the current literature on the therapeutic management of PAH, as well as the molecular targets under consideration for therapy so as to shed light on the potential role and future promise of novel strategies in treating this high-mortality disease. This review study summarizes and discusses the potential therapeutic targets to be employed against PAH. In addition to the three major conventional pathways already used in PAH therapy, targeting PDGF/PDGFR signaling, regulators in glycolytic metabolism, PI3K/AKT pathways, mitochondrial heat shock protein 90 (HSP90), high-mobility group box-1 (HMGB1), and bromodomain and extra-terminal (BET) proteins by using their specific inhibitors, or a pharmacological induction of the p53 expression, could be attractive strategies for treating PAH.
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Affiliation(s)
- Meng-Chien Willie Hsieh
- Division of Plastic Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan; (M.-C.W.H.); (W.-T.W.); (Y.-R.K.); (S.-S.L.)
- Department of Plastic Surgery, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung 80145, Taiwan
| | - Wei-Ting Wang
- Division of Plastic Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan; (M.-C.W.H.); (W.-T.W.); (Y.-R.K.); (S.-S.L.)
| | - Jwu-Lai Yeh
- Department of Pharmacology, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
| | - Chuang-Yu Lin
- Department of Biomedical Science and Environmental Biology, College of Life Science, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
| | - Yur-Ren Kuo
- Division of Plastic Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan; (M.-C.W.H.); (W.-T.W.); (Y.-R.K.); (S.-S.L.)
- Department of Surgery, School of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Su-Shin Lee
- Division of Plastic Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan; (M.-C.W.H.); (W.-T.W.); (Y.-R.K.); (S.-S.L.)
- Department of Surgery, School of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Department of Surgery, Kaohsiung Municipal Siaogang Hospital, Kaohsiung 81267, Taiwan
| | - Ming-Feng Hou
- Department of Surgery, School of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
- Division of Breast Oncology and Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
| | - Yi-Chia Wu
- Division of Plastic Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan; (M.-C.W.H.); (W.-T.W.); (Y.-R.K.); (S.-S.L.)
- Department of Plastic Surgery, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung 80145, Taiwan
- Department of Surgery, School of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Division of Breast Oncology and Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
- Correspondence: ; Tel.: +886-7-312-1101 (ext. 7675)
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9
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Abstract
Pulmonary hypertension (PH) because of chronic lung disease is categorized as Group 3 PH in the most recent classification system. Prevalence of these diseases is increasing over time, creating a growing need for effective therapeutic options. Recent approval of the first pulmonary arterial hypertension therapy for the treatment of Group 3 PH related to interstitial lung disease represents an encouraging advancement. This review focuses on molecular mechanisms contributing to pulmonary vasculopathy in chronic hypoxia, the pathology and epidemiology of Group 3 PH, the right ventricular dysfunction observed in this population and clinical trial data that inform the use of pulmonary vasodilators in Group 3 PH.
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Affiliation(s)
- Navneet Singh
- Division of Pulmonary, Critical Care and Sleep Medicine (N.S., C.E.V.), Brown University, Providence, RI
| | - Peter Dorfmüller
- Department of Pathology, Universities of Giessen and Marburg Lung Center (UGMLC), Justus-Liebig University, Germany (P.D.).,German Center for Lung Research (DZL), Giessen, Germany (P.D.)
| | - Oksana A Shlobin
- Advanced Lung Disease and Transplant Program, Inova Fairfax Hospital, Falls Church, VA (O.A.S.)
| | - Corey E Ventetuolo
- Division of Pulmonary, Critical Care and Sleep Medicine (N.S., C.E.V.), Brown University, Providence, RI.,Department of Health Services, Policy and Practice (C.E.V.), Brown University, Providence, RI
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10
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Diaz-Rodriguez N, Nyhan SM, Kolb TM, Steppan J. How We Would Treat Our Own Pulmonary Hypertension if We Needed to Undergo Cardiac Surgery. J Cardiothorac Vasc Anesth 2021; 36:1540-1548. [PMID: 34649806 DOI: 10.1053/j.jvca.2021.09.030] [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: 06/18/2021] [Revised: 09/13/2021] [Accepted: 09/19/2021] [Indexed: 01/08/2023]
Abstract
Pulmonary hypertension (PH) is a disease that has many etiologies and is particularly prevalent in patients presenting for cardiac surgery, with which it is linked to poor outcomes. This manuscript is intended to provide a comprehensive review of the impact of PH on the perioperative management of patients who are undergoing cardiac surgery. The diagnosis of PH often involves a combination of noninvasive and invasive testing, whereas preoperative optimization frequently necessitates the use of specific medications that affect anesthetic management of these patients. The authors postulate that a thoughtful, multidisciplinary approach is required to deliver excellent perioperative care. Furthermore, they use an index case to illustrate the implications of managing a patient with pulmonary hypertension who presents for cardiac surgery with cardiopulmonary bypass.
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Affiliation(s)
- Natalia Diaz-Rodriguez
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, Baltimore, MD
| | - Sinead M Nyhan
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, Baltimore, MD
| | - Todd M Kolb
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, MD
| | - Jochen Steppan
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, Baltimore, MD.
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11
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Mullin CJ, Ventetuolo CE. Critical Care Management of the Patient with Pulmonary Hypertension. Clin Chest Med 2021; 42:155-165. [PMID: 33541609 DOI: 10.1016/j.ccm.2020.11.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Pulmonary hypertension patients admitted to the intensive care unit have high mortality, and right ventricular failure typically is implicated as cause of or contributor to death. Initial care of critically ill pulmonary hypertension patients includes recognition of right ventricular failure, appropriate monitoring, and identification and treatment of any inciting cause. Management centers around optimization of cardiac function, with a multipronged approach aimed at reversing the pathophysiology of right ventricular failure. For patients who remain critically ill or in shock despite medical optimization, mechanical circulatory support can be used as a bridge to recovery or lung transplantation.
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Affiliation(s)
- Christopher J Mullin
- Department of Medicine, Brown University, 593 Eddy Street, POB Suite 224, Providence, RI 02903, USA
| | - Corey E Ventetuolo
- Department of Medicine, Brown University, 593 Eddy Street, POB Suite 224, Providence, RI 02903, USA; Department of Health Services, Policy, and Practice, Brown University, 593 Eddy Street, POB Suite 224, Providence, RI 02903, USA.
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12
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DesJardin JT, Teerlink JR. Inotropic therapies in heart failure and cardiogenic shock: an educational review. EUROPEAN HEART JOURNAL-ACUTE CARDIOVASCULAR CARE 2021; 10:676-686. [PMID: 34219157 DOI: 10.1093/ehjacc/zuab047] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Indexed: 01/11/2023]
Abstract
Reduced systolic function is central to the pathophysiology and clinical sequelae of acute decompensated heart failure (ADHF) with reduced ejection fraction and cardiogenic shock. These clinical entities are the final common pathway for marked deterioration of right or left ventricular function and can occur in multiple clinical presentations including severe ADHF, myocardial infarction, post-cardiac surgery, severe pulmonary hypertension, and advanced or end-stage chronic heart failure. Inotropic therapies improve ventricular systolic function and may be divided into three classes on the basis of their mechanism of action (calcitropes, mitotropes, and myotropes). Most currently available therapies for cardiogenic shock are calcitropes which can provide critical haemodynamic support, but also may increase myocardial oxygen demand, ischaemia, arrhythmia, and mortality. Emerging therapies to improve cardiac function such as mitotropes (e.g. perhexiline, SGLT2i) or myotropes (e.g. omecamtiv mecarbil) may provide useful alternatives in the future.
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Affiliation(s)
- Jacqueline T DesJardin
- Division of Cardiology, School of Medicine, University of California San Francisco, San Francisco, CA, USA
| | - John R Teerlink
- Division of Cardiology, School of Medicine, University of California San Francisco, San Francisco, CA, USA.,Section of Cardiology, San Francisco Veterans Affairs Medical Center, 111C, 4150 Clement Street, San Francisco, CA 94121-1545, USA
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13
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Mukherjee D, Konduri GG. Pediatric Pulmonary Hypertension: Definitions, Mechanisms, Diagnosis, and Treatment. Compr Physiol 2021; 11:2135-2190. [PMID: 34190343 DOI: 10.1002/cphy.c200023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Pediatric pulmonary hypertension (PPH) is a multifactorial disease with diverse etiologies and presenting features. Pulmonary hypertension (PH), defined as elevated pulmonary artery pressure, is the presenting feature for several pulmonary vascular diseases. It is often a hidden component of other lung diseases, such as cystic fibrosis and bronchopulmonary dysplasia. Alterations in lung development and genetic conditions are an important contributor to pediatric pulmonary hypertensive disease, which is a distinct entity from adult PH. Many of the causes of pediatric PH have prenatal onset with altered lung development due to maternal and fetal conditions. Since lung growth is altered in several conditions that lead to PPH, therapy for PPH includes both pulmonary vasodilators and strategies to restore lung growth. These strategies include optimal alveolar recruitment, maintaining physiologic blood gas tension, nutritional support, and addressing contributing factors, such as airway disease and gastroesophageal reflux. The outcome for infants and children with PH is highly variable and largely dependent on the underlying cause. The best outcomes are for neonates with persistent pulmonary hypertension (PPHN) and reversible lung diseases, while some genetic conditions such as alveolar capillary dysplasia are lethal. © 2021 American Physiological Society. Compr Physiol 11:2135-2190, 2021.
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Affiliation(s)
- Devashis Mukherjee
- Division of Neonatology, Department of Pediatrics, Medical College of Wisconsin, Children's Research Institute, Children's Wisconsin, Milwaukee, Wisconsin, 53226, USA
| | - Girija G Konduri
- Division of Neonatology, Department of Pediatrics, Medical College of Wisconsin, Children's Research Institute, Children's Wisconsin, Milwaukee, Wisconsin, 53226, USA
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14
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Reddy SA, Nethercott SL, Khialani BV, Grace AA, Martin CA. Management of arrhythmias in pulmonary hypertension. J Interv Card Electrophysiol 2021; 62:219-229. [DOI: 10.1007/s10840-021-00988-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 03/28/2021] [Indexed: 12/24/2022]
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15
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Abstract
Atrial fibrillation is associated with aging, obesity, heart disease, diabetes, and/or hypertension. Recent evidence suggests that parenchymal and vascular lung diseases increase atrial fibrillation risk. We review the epidemiology, clinical features, pathophysiologic mechanisms, and treatment implications of atrial fibrillation associated with diseases of the lungs and their vasculature, especially pulmonary hypertension. We also consider other features of pulmonary disease-associated atrial fibrillation. A key mediator of these conditions is right heart disease and right atrial remodeling. We pay particular attention to the pathophysiology and treatment challenges in atrial fibrillation associated with right heart disease induced by pulmonary diseases, including pulmonary hypertension.
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Affiliation(s)
- Roddy Hiram
- Department of Medicine, Montreal Heart Institute (MHI), Université de Montréal, Montréal, Quebec, Canada.
| | - Steeve Provencher
- Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Quebec, Quebec, Canada; Department of medicine, Université Laval, 2325 rue de l'Universite, Montréal, Quebec G1V 0A6, Canada
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Karataş MB, Yelgeç NS, Çanga Y, Zengin A, Emre A. Association of digoxin therapy with case fatality rate in acute pulmonary embolism. Wien Klin Wochenschr 2020; 133:1171-1178. [PMID: 33289855 DOI: 10.1007/s00508-020-01773-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 11/10/2020] [Indexed: 11/25/2022]
Abstract
OBJECTIVE Despite wide usage of digoxin for various diseases in cardiology practice, its benefit is controversial and moreover it had been associated with unfavorable outcomes in some previous studies. The aim of this present study was to demonstrate whether digoxin usage was related with worse outcomes or not in patients with acute pulmonary embolisms. METHODS A total number of 1215 patients retrospectively enrolled for the study. Basic demographic features, pulmonary embolism severity index (PESI) scores, laboratory parameters and medications of patients who had been diagnosed with acute pulmonary embolism were recorded. Short (30 days) and long-term mortality were reported as the clinical outcomes. RESULTS Total mortality was 15.4% in the study population and 78 of these subjects died within the first 30 days. The frequency of digoxin treatment was 8% and most of these patients were prior users. According to the binary logistic regression analyses the PESI score, right ventricle (RV) diastolic diameter, systolic pulmonary arterial pressure (sPAP), brain natriuretic peptide (BNP), troponin and digoxin therapy (odds ratio, OR: 2.82 95% confidence interval, CI: 1.39-8.31, P = 0.03) were found as independent predictors of short-term mortality. Beside these findings; sPAP, PESI score, RV diastolic diameter and digoxin therapy (hazard ratio, HR: 2.11 95%CI: 1.22-7.31, P = 0.03) were determined as independent predictors of long-term mortality in Cox regression analyses. In subgroup analysis, we determined significantly greater increase in short-term mortality with use of digoxin among patients who had chronic renal disease, among patients under thrombolytic therapy and under high dosage of digoxin therapy and among female patients. CONCLUSION Digoxin has been used extensively for decades in the treatment of heart failure and arrhythmias despite some controversies over its benefit. For the first time in the literature, we have demonstrated independent association of digoxin therapy with short-term and long-term mortality in patients with acute pulmonary embolism.
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Affiliation(s)
- Mehmet Baran Karataş
- Department of Cardiology, Siyami Ersek Cardiovascular and Thoracic Surgery Center, Siyami Ersek Hospital, Tıbbıye street, Uskudar, Istanbul, Turkey
| | - Nizamettin Selçuk Yelgeç
- Department of Cardiology, Siyami Ersek Cardiovascular and Thoracic Surgery Center, Siyami Ersek Hospital, Tıbbıye street, Uskudar, Istanbul, Turkey
| | - Yiğit Çanga
- Department of Cardiology, Siyami Ersek Cardiovascular and Thoracic Surgery Center, Siyami Ersek Hospital, Tıbbıye street, Uskudar, Istanbul, Turkey.
| | - Ahmet Zengin
- Department of Cardiology, Siyami Ersek Cardiovascular and Thoracic Surgery Center, Siyami Ersek Hospital, Tıbbıye street, Uskudar, Istanbul, Turkey
| | - Ayşe Emre
- Department of Cardiology, Siyami Ersek Cardiovascular and Thoracic Surgery Center, Siyami Ersek Hospital, Tıbbıye street, Uskudar, Istanbul, Turkey
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Prisco SZ, Thenappan T, Prins KW. Treatment Targets for Right Ventricular Dysfunction in Pulmonary Arterial Hypertension. JACC Basic Transl Sci 2020; 5:1244-1260. [PMID: 33426379 PMCID: PMC7775863 DOI: 10.1016/j.jacbts.2020.07.011] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 07/27/2020] [Accepted: 07/27/2020] [Indexed: 01/10/2023]
Abstract
Right ventricle (RV) dysfunction is the strongest predictor of mortality in pulmonary arterial hypertension (PAH), but, at present, there are no therapies directly targeting the failing RV. Although there are shared molecular mechanisms in both RV and left ventricle (LV) dysfunction, there are important differences between the 2 ventricles that may allow for the development of RV-enhancing or RV-directed therapies. In this review, we discuss the current understandings of the dysregulated pathways that promote RV dysfunction, highlight RV-enriched or RV-specific pathways that may be of particular therapeutic value, and summarize recent and ongoing clinical trials that are investigating RV function in PAH. It is hoped that development of RV-targeted therapies will improve quality of life and enhance survival for this deadly disease.
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Key Words
- FAO, fatty acid oxidation
- IPAH, idiopathic pulmonary arterial hypertension
- LV, left ventricle/ventricular
- PAH, pulmonary arterial hypertension
- PH, pulmonary hypertension
- RAAS, renin-angiotensin-aldosterone system
- RV, right ventricle/ventricular
- RVH, right ventricular hypertrophy
- SSc-PAH, systemic sclerosis-associated pulmonary arterial hypertension
- clinical trials
- miRNA/miR, micro-ribonucleic acid
- pulmonary arterial hypertension
- right ventricle
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Affiliation(s)
- Sasha Z. Prisco
- Cardiovascular Division, Lillehei Heart Institute, Department of Medicine, University of Minnesota, Minneapolis, Minnesota, USA
| | - Thenappan Thenappan
- Cardiovascular Division, Lillehei Heart Institute, Department of Medicine, University of Minnesota, Minneapolis, Minnesota, USA
| | - Kurt W. Prins
- Cardiovascular Division, Lillehei Heart Institute, Department of Medicine, University of Minnesota, Minneapolis, Minnesota, USA
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Abstract
Pulmonary hypertension (PH) is a condition of raised pulmonary artery pressure (PAP), which may be secondary to a number of causes, one of which is sleep disordered breathing (SDB). When PH complicates SDB, it carries a significant burden of morbidity and mortality due to the risk of progression to right ventricular failure over time. This narrative review will cover the definition and classification of PH, and explore the epidemiology of PH in SDB. The mechanisms by which the two conditions are linked will be reviewed. Repetitive hypoxia with or without hypercapnia alongside frequent arousals can result in important metabolic and pulmonary vascular consequences for the left and right heart. MEDLINE was used to search for all relevant articles and abstracts published from January 1960 to October 2019 inclusive (in all languages). Current best practice in the investigation and management of PH complicating SDB will be reviewed. Important diagnostic investigations and when to consider and screen further for PH in patients with SDB will be discussed. Optimal disease management must include control of SDB with therapy. Additional treatment options will be reviewed. Areas for further research will be highlighted.
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Affiliation(s)
| | | | - Marino Philip
- Guy's and St Thomas' NHS Foundation Trust, London, UK
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Abstract
Pulmonary hypertension in pregnancy carries a high maternal and fetal morbidity, and mortality. In recent times, there has been significant progress in the field of pulmonary vascular disease with a better understanding of the disease and novel targeted therapies, which have ultimately resulted in improved outcomes. In addition, the development of an individualized and multidisciplinary approach to the management of pulmonary hypertension during pregnancy is essential for improved outcomes.
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Abstract
PURPOSE OF REVIEW Pulmonary arterial hypertension (PAH) is a disease that carries a significant mortality left untreated. This article aims to review pharmacotherapeutics for PAH. RECENT FINDINGS PAH-specific therapies have evolved over the last three decades and have expanded from one therapy in the 1990s to 14 FDA-approved medications. Current therapies are directed at restoring the imbalance of vasoactive mediators that include nitric oxide, endothelin and prostacyclin. Although these agents are effective as monotherapy, recent trials have promulgated the strategy of upfront combination therapy. The availability of oral prostacyclin agonists has also allowed for expanded treatment options. Risk assessment is vital in guiding therapy for PAH patients. There is ongoing focus on targeting pathological mechanisms of the disease via novel therapies and repurposing existing drugs. SUMMARY There is an array of medications available for the treatment of PAH. Prudent combination of therapies to maximize treatment effect can improve morbidity and mortality. This article reviews the data supporting these therapies and attempts to outline an approach to patient management.
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Abstract
Acute right ventricular failure remains the leading cause of mortality associated with acute pulmonary embolism (PE). This article reviews the pathophysiology behind acute right ventricular failure and strategies for managing right ventricular failure in acute PE. Immediate clot reduction via systemic thrombolytics, catheter based procedures, or surgery is always advocated for unstable patients. While waiting to mobilize these resources, it often becomes necessary to support the RV with vasoactive medications. Clinicians should carefully assess volume status and use caution with volume resuscitation. Right ventricular assist devices may have an expanding role in the future.
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Affiliation(s)
- Steven Zhao
- Division of Pulmonary and Critical Care medicine, Cedars-Sinai Medical Center, 8700 Beverly Boulevard, Room 6728, Los Angeles, CA 90048, USA
| | - Oren Friedman
- Cedars-Sinai Medical Center, 127 South San Vicente Boulevard, Los Angeles, CA 90048, USA.
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23
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Christiansen D, Porter S, Hurlburt L, Weiss A, Granton J, Wentlandt K. Pulmonary Arterial Hypertension: A Palliative Medicine Review of the Disease, Its Therapies, and Drug Interactions. J Pain Symptom Manage 2020; 59:932-943. [PMID: 31805363 DOI: 10.1016/j.jpainsymman.2019.11.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 11/24/2019] [Accepted: 11/26/2019] [Indexed: 01/13/2023]
Abstract
Pulmonary arterial hypertension (PAH) is often a progressive and ultimately fatal disease. It is characterized by an elevated mean pulmonary arterial pressure because of disease of the small pulmonary arterioles. PAH leads to a constellation of symptoms, including dyspnea, fatigue, syncope, chest discomfort, and peripheral edema. Disease-targeted therapies for PAH produce symptomatic and functional improvement, but long-term survival remains uncommon without lung transplantation. Palliative care is appropriate to support patients with advanced PAH who typically have a high symptom burden. However, palliative care has historically focused on supporting patients with malignant disease, rather than progressive chronic disease such as PAH. Our aim is to provide palliative care clinicians with a background in the classification, pathophysiology, and modern treatment of PAH. This review describes disease-targeted therapies and their effects on symptoms, physical functioning, and health-related quality of life. We also review the unique physiology of PAH and its implication for palliative interventions. Pharmacological interactions with, and precautions related to commonly used palliative care medications, are discussed.
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Affiliation(s)
- David Christiansen
- Department of Internal Medicine, Section of Respiratory Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Sandra Porter
- Department of Pharmacy, University Health Network, Toronto, Ontario, Canada
| | - Lindsay Hurlburt
- Division of Palliative Care, Department of Supportive Care, University Health Network, Toronto, Ontario, Canada; Department of Anesthesia, University of Toronto, Toronto, Ontario, Canada
| | - Andrea Weiss
- Division of Palliative Care, Department of Supportive Care, University Health Network, Toronto, Ontario, Canada; Division of Palliative Care, Department of Family and Community Medicine, University of Toronto, Toronto, Ontario, Canada
| | - John Granton
- Division of Respirology, Department of Medicine, University Health Network, Sinai Health System, University of Toronto, Toronto, Ontario, Canada
| | - Kirsten Wentlandt
- Division of Palliative Care, Department of Supportive Care, University Health Network, Toronto, Ontario, Canada; Division of Palliative Care, Department of Family and Community Medicine, University of Toronto, Toronto, Ontario, Canada.
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Abstract
Pulmonary arterial hypertension (PAH) is a rare disease in infants and children that is associated with significant morbidity and mortality. The disease is characterized by progressive pulmonary vascular functional and structural changes resulting in increased pulmonary vascular resistance and eventual right heart failure and death. In many pediatric patients, PAH is idiopathic or associated with congenital heart disease and rarely is associated with other conditions such as connective tissue or thromboembolic disease. PAH associated with developmental lung diseases such as bronchopulmonary dysplasia or congenital diaphragmatic hernia is increasingly more recognized in infants and children. Although treatment of the underlying disease and reversal of advanced structural changes have not yet been achieved with current therapy, quality of life and survival have improved significantly. Targeted pulmonary vasodilator therapies, including endothelin receptor antagonists, prostacyclin analogs, and phosphodiesterase type 5 inhibitors have resulted in hemodynamic and functional improvement in children. The management of pediatric PAH remains challenging as treatment decisions depend largely on results from evidence-based adult studies and the clinical experience of pediatric experts. This article reviews the current drug therapies and their use in the management of PAH in children.
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Affiliation(s)
- Catherine M Avitabile
- Division of Cardiology, Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Erika E Vorhies
- Division of Pediatric Cardiology, Department of Pediatrics, University of Calgary Cumming School of Medicine, Alberta Children's Hospital, Calgary, Canada
| | - David Dunbar Ivy
- B100, Division of Pediatric Cardiology, Department of Pediatrics, University of Colorado School of Medicine, Children's Hospital Colorado, 13123 East 16th Avenue, Aurora, CO, 80045, USA.
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Vahdatpour CA, Luebbert JJ, Palevsky HI. Atrial arrhythmias in chronic lung disease-associated pulmonary hypertension. Pulm Circ 2020; 10:2045894020910685. [PMID: 32215200 PMCID: PMC7065292 DOI: 10.1177/2045894020910685] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Accepted: 02/07/2020] [Indexed: 12/19/2022] Open
Abstract
Atrial arrhythmias are common during episodes of acute respiratory failure in patients with chronic lung disease-associated pulmonary hypertension. Expert opinion suggests that management of atrial arrhythmias in patients with pulmonary hypertension should aim to restore sinus rhythm. This is clinically challenging in pulmonary hypertension patients with coexisting chronic lung disease, as there is controversy on the use of rhythm control agents; generally, in regard to either their pulmonary toxicity profile or the lack of evidence supporting their use. Rate control methods are largely focused on the use of beta blockers and calcium channel blockers. Concerns regarding their use involve their negative inotropic properties in cor pulmonale, the risk of bronchospasm associated with beta blockers, and the potential for ventilation/perfusion mismatching associated with calcium channel blockers. While digoxin has been associated with promising outcomes during acute right ventricular failure, there is limited evidence to suggest its routine use. Electrical cardioversion is associated with a high failure rate and it frequently requires multiple attempts. Radiofrequency catheter ablation is a more definitive approach, but concerns surrounding mechanical ventilation and sedation limit its applicability in decompensated pulmonary hypertension. Individual approaches are needed to address atrial arrhythmia management during acute episodes of respiratory failure.
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Affiliation(s)
- Cyrus A. Vahdatpour
- Department of Medicine, Pennsylvania Hospital, University of Pennsylvania Health System, Philadelphia, PA, USA
| | - Jeffrey J. Luebbert
- Department of Cardiology, Pennsylvania Hospital, University of Pennsylvania Health System, Philadelphia, PA, USA
| | - Harold I. Palevsky
- Pulmonary, Allergy, and Critical Care Division, Department of Medicine, Penn Presbyterian Medical Center, Philadelphia, PA, USA
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
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Ahmed MM, Roukoz H, Trivedi JR, Bhan A, Ravichandran A, Dhawan R, Cowger J, Bhat G, Birks EJ, Slaughter MS, Gopinathannair R. Questionable utility of digoxin in left-ventricular assist device recipients: A multicenter, retrospective analysis. PLoS One 2019; 14:e0225628. [PMID: 31765397 PMCID: PMC6876793 DOI: 10.1371/journal.pone.0225628] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Accepted: 10/29/2019] [Indexed: 11/19/2022] Open
Abstract
Background While clinical experience with left ventricular assist devices (LVAD) continues to grow and evolve, little is known regarding the ongoing use of certain medications in this population. We sought to evaluate the utility of digoxin in LVAD recipients and its association with outcomes. Methods A total of 505 patients who underwent continuous-flow LVAD implantation at 5 centers from 2007–2015 were included. Patients were divided into 4 groups: not on digoxin at any time (ND; n = 257), received digoxin pre implant (PreD; n = 144), received digoxin pre and post implant (ContD; n = 55), and received digoxin only post implant (PostD; n = 49). Survival and all-cause readmission were compared between the 4 groups. Results There was no difference in survival at 1 year nor at 3 years between groups (ND = 88%, 66%, respectively; PreD = 85%, 66%; ContD = 86%, 57%; PostD = 90%, 51%; p = 0.7). Readmission per 100 days also was not different between groups (ND = 0.5, PreD = 0.6, ContD = 0.5, PostD = 0.7; p = 0.1). Conclusions In this large, multicenter cohort, use of digoxin was not associated with any significant benefit in regard to mortality or hospitalization in patients supported with a continuous-flow LVAD. Importantly, its discontinuation post implant did not worsen all-cause hospitalization or survival.
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Affiliation(s)
- Mustafa M. Ahmed
- Division of Cardiovascular Medicine, Department of Medicine, University of Florida, Gainesville, FL, United States of America
- * E-mail:
| | - Henri Roukoz
- Cardiovascular Division, Electrophysiology Section, University of Minnesota, Minneapolis, MN, United States of America
| | - Jaimin R. Trivedi
- Department of Cardiovascular and Thoracic Surgery, University of Louisville, Louisville, KY, United States of America
| | - Adarsh Bhan
- Heart Institute, Advocate Christ Medical Center, Oak Lawn, IL, United States of America
| | - Ashwin Ravichandran
- St. Vincent Heart Center of Indiana, Indianapolis, IN, United States of America
| | - Rahul Dhawan
- University of Nebraska, Omaha, Nebraska, United States of America
| | - Jennifer Cowger
- Henry Ford Hospital, Detroit, Michigan, United States of America
| | - Geetha Bhat
- Heart Institute, Advocate Christ Medical Center, Oak Lawn, IL, United States of America
| | - Emma J. Birks
- Division of Cardiovascular Medicine, University of Louisville, Louisville, Kentucky, United States of America
| | - Mark S. Slaughter
- Department of Cardiovascular and Thoracic Surgery, University of Louisville, Louisville, KY, United States of America
| | - Rakesh Gopinathannair
- Kansas City Heart Rhythm Institute and Research Foundation, Overland Park, Kansas, United States of America
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Vahdatpour CA, Darnell ML, Palevsky HI. Acute Respiratory Failure in Interstitial Lung Disease Complicated by Pulmonary Hypertension. Respir Med 2019; 161:105825. [PMID: 31785507 DOI: 10.1016/j.rmed.2019.105825] [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: 05/05/2019] [Revised: 09/05/2019] [Accepted: 11/18/2019] [Indexed: 10/25/2022]
Abstract
Interstitial lung disease represents a group of diffuse parenchymal lung diseases with overwhelming morbidity and mortality when complicated by acute respiratory failure. Recently, trials investigating outcomes and their determinants have provided insight into these high mortality rates. Pulmonary hypertension is a known complication of interstitial lung disease and there is high prevalence in idiopathic pulmonary fibrosis, connective tissue disease, and sarcoidosis subtypes. Interstitial lung disease associated pulmonary hypertension has further increased mortality with acute respiratory failure, and there is limited evidence to guide management. This review describes investigations and management of interstitial lung disease associated acute respiratory failure complicated by pulmonary hypertension. Despite the emerging attention on interstitial lung disease associated acute respiratory failure and the influence of pulmonary hypertension, critical care management remains a clinical and ethical challenge.
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Affiliation(s)
- Cyrus A Vahdatpour
- Department of Medicine, Pennsylvania Hospital, University of Pennsylvania Health System, Philadelphia, USA.
| | - Melinda L Darnell
- Department of Medicine, Pennsylvania Hospital, University of Pennsylvania Health System, Philadelphia, USA
| | - Harold I Palevsky
- Pulmonary, Allergy, and Critical Care Division, Department of Medicine, Penn Presbyterian Medical Center, Philadelphia, PA, USA; Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
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28
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Kalani C, Garcia I, Ocegueda-Pacheco C, Varon J, Surani S. The Innovations in Pulmonary Hypertension Pathophysiology and Treatment: What are our Options! CURRENT RESPIRATORY MEDICINE REVIEWS 2019. [DOI: 10.2174/1573398x15666190117133311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Charlene Kalani
- Bay Area Medical Center, Corpus Christi, Texas, United States
| | - Ismael Garcia
- Dorrington Medical Associates, PA, Houston, Texas, United States
| | | | | | - Salim Surani
- Texas A&M University, College Station, Texas, United States
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29
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Grünig E, Benjamin N, Krüger U, Kaemmerer H, Harutyunova S, Olsson KM, Ulrich S, Gerhardt F, Neurohr C, Sablotzki A, Halank M, Marra AM, Kabitz HJ, Thimm G, Fliegel KG, Klose H. General measures and supportive therapy for pulmonary arterial hypertension: Updated recommendations from the Cologne Consensus Conference 2018. Int J Cardiol 2018; 272S:30-36. [PMID: 30190156 DOI: 10.1016/j.ijcard.2018.08.085] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Accepted: 08/24/2018] [Indexed: 10/28/2022]
Abstract
In the summer of 2016, delegates from the German Respiratory Society, the German Society of Cardiology and the German Society of Pediatric Cardiology met in Cologne, Germany, to define consensus-based practice recommendations for the management of patients with pulmonary arterial hypertension (PAH). These recommendations were built on the 2015 European Pulmonary Hypertension guidelines aiming at their practical implementation, considering country-specific issues, and including new evidence, where available. To this end, a number of working groups was initiated, one of which was specifically dedicated to general measures (i.e. physical activity/supervised rehabilitation, pregnancy/contraception, elective surgery, infection prevention, psychological support, travel) and supportive therapy (i.e. anticoagulants, diuretics, oxygen, cardiovascular medications, anaemia/iron deficiency, arrhythmias) for PAH. While the European guidelines provide detailed recommendations for the use of targeted PAH therapies as well as supportive care, detailed treatment decisions in routine clinical care may be challenging, and the relevance of supportive care is often not sufficiently considered. In addition, new evidence became available, thus requiring a thorough reevaluation of specific recommendations. The detailed results and recommendations of the working group on general measures and supportive therapy for PAH, which were last updated in the spring of 2018, are summarized in this article.
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Affiliation(s)
- Ekkehard Grünig
- Centre for Pulmonary Hypertension, Thoraxclinic at University Hospital Heidelberg and German Center for Lung Research (DZL), Heidelberg, Germany.
| | - Nicola Benjamin
- Centre for Pulmonary Hypertension, Thoraxclinic at University Hospital Heidelberg and German Center for Lung Research (DZL), Heidelberg, Germany
| | - Ulrich Krüger
- Department of Cardiology, Heart Centre Duisburg, Germany
| | - Harald Kaemmerer
- Department of Paediatric Cardiology and Congenital Heart Disease Munich, Germany
| | - Satenik Harutyunova
- Centre for Pulmonary Hypertension, Thoraxclinic at University Hospital Heidelberg and German Center for Lung Research (DZL), Heidelberg, Germany
| | - Karen M Olsson
- Department of Respiratory Medicine, Hannover Medical School, German Centre for Lung Research (DZL), Hannover, Germany
| | - Silvia Ulrich
- Clinic of Pulmonology, University Hospital Zurich, Switzerland
| | - Felix Gerhardt
- Department of Cardiology, University Hospital Cologne, Germany
| | - Claus Neurohr
- Dept. of Internal Medicine V, Comprehensive Pneumology Center (CPC-M), Member of the German Center for Lung Research (DZL), University of Munich, Munich, Germany
| | - Armin Sablotzki
- Clinic for Anesthesiology St. Georg Hospital, Leipzig, Germany
| | - Michael Halank
- Department of Pneumology, Carl Gustav Carus University Hospital, Dresden, Germany
| | - Alberto M Marra
- Centre for Pulmonary Hypertension, Thoraxclinic at University Hospital Heidelberg and German Center for Lung Research (DZL), Heidelberg, Germany; IRCCS S.D.N., Via Gianturco 113, 80143 Naples, Italy
| | - Hans-Joachim Kabitz
- Department of Pneumology and Intensive Care Medicine, Academic Teaching Hospital, Klinikum Konstanz, Germany
| | - Günther Thimm
- Patientenvereinigung Pulmonale Hypertonie e.V., Rheinstetten, Germany
| | | | - Hans Klose
- Department of Pneumology, University Hospital Hamburg-Eppendorf, Germany
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Asano Y, Jinnin M, Kawaguchi Y, Kuwana M, Goto D, Sato S, Takehara K, Hatano M, Fujimoto M, Mugii N, Ihn H. Diagnostic criteria, severity classification and guidelines of systemic sclerosis. J Dermatol 2018; 45:633-691. [PMID: 29687465 DOI: 10.1111/1346-8138.14162] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Accepted: 11/06/2017] [Indexed: 01/17/2023]
Abstract
Several effective drugs have been identified for the treatment of systemic sclerosis (SSc). However, in advanced cases, not only their effectiveness is reduced but they may be also harmful due to their side-effects. Therefore, early diagnosis and early treatment is most important for the treatment of SSc. We established diagnostic criteria for SSc in 2003 and early diagnostic criteria for SSc in 2011, for the purpose of developing evaluation of each organ in SSc. Moreover, in November 2013, the American College of Rheumatology and the European Rheumatology Association jointly developed new diagnostic criteria for increasing their sensitivity and specificity, so we revised our diagnostic criteria and severity classification of SSc. Furthermore, we have revised the clinical guideline based on the newest evidence. In particular, the clinical guideline was established by clinical questions based on evidence-based medicine according to the New Minds Clinical Practice Guideline Creation Manual (version 1.0). We aimed to make the guideline easy to use and reliable based on the newest evidence, and to present guidance as specific as possible for various clinical problems in treatment of SSc.
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Affiliation(s)
- Yoshihide Asano
- Department of Dermatology, Faculty of Medicine, The University of Tokyo, Tokyo, Japan
| | - Masatoshi Jinnin
- Department of Dermatology and Plastic Surgery, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Yasushi Kawaguchi
- Institute of Rheumatology, Tokyo Woman's Medical University, Tokyo, Japan
| | - Masataka Kuwana
- Department of Allergy and Rheumatology, Nippon Medical School Graduate School of Medicine, Tokyo, Japan
| | - Daisuke Goto
- Department of Rheumatology, Faculty of Medicine, Univertity of Tsukuba, Ibaraki, Japan
| | - Shinichi Sato
- Department of Dermatology, Faculty of Medicine, The University of Tokyo, Tokyo, Japan
| | - Kazuhiko Takehara
- Department of Molecular Pathology of Skin, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Ishikawa, Japan
| | - Masaru Hatano
- Graduate School of Medicine Department of Therapeutic Strategy for Heart Failure, The University of Tokyo, Tokyo, Japan
| | - Manabu Fujimoto
- Department of Dermatology, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
| | - Naoki Mugii
- Section of Rehabilitation, Kanazawa University Hospital, Ishikawa, Japan
| | - Hironobu Ihn
- Department of Dermatology and Plastic Surgery, Faculty of Life Sciences, Kumamoto University, Kumamoto, Japan
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Lan NSH, Massam BD, Kulkarni SS, Lang CC. Pulmonary Arterial Hypertension: Pathophysiology and Treatment. Diseases 2018; 6:E38. [PMID: 29772649 PMCID: PMC6023499 DOI: 10.3390/diseases6020038] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 05/12/2018] [Accepted: 05/12/2018] [Indexed: 12/24/2022] Open
Abstract
Pulmonary arterial hypertension (PAH), the first category of pulmonary hypertension, is a chronic and progressive disorder characterised by angioproliferative vasculopathy in the pulmonary arterioles, leading to endothelial and smooth muscle proliferation and dysfunction, inflammation and thrombosis. These changes increase pulmonary vascular resistance and subsequent pulmonary arterial pressure, causing right ventricular failure which leads to eventual death if untreated. The management of PAH has advanced rapidly in recent years due to improved understanding of the condition's pathophysiology, specifically the nitric oxide, prostacyclin-thromboxane and endothelin-1 pathways. Five classes of drugs targeting these pathways are now available: phosphodiesterase-5 inhibitors, soluble guanylate cyclase stimulators, prostacyclin analogues, prostacyclin receptor agonists and endothelin receptor antagonists. These developments have led to substantial improvements in mortality rate in recent decades. Recently, long-term studies have demonstrated sustained progression-free survival and have created a new paradigm of initial combination therapy. Despite these targeted therapies, PAH is still associated with significant morbidity and mortality. As such, further research into broadening our understanding of PAH pathophysiology is underway with potential of increasing the repertoire of drugs available.
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Affiliation(s)
- Norris S H Lan
- School of Medicine and Pharmacology, University of Western Australia, Perth 6009, Australia.
| | - Benjamin D Massam
- School of Medicine and Pharmacology, University of Western Australia, Perth 6009, Australia.
| | - Sandeep S Kulkarni
- School of Medicine and Pharmacology, University of Western Australia, Perth 6009, Australia.
| | - Chim C Lang
- Division of Molecular and Clinical Medicine, Mailbox 2, Ninewells Hospital and Medical School, University of Dundee, Dundee DD1 9SY, UK.
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Konstam MA, Kiernan MS, Bernstein D, Bozkurt B, Jacob M, Kapur NK, Kociol RD, Lewis EF, Mehra MR, Pagani FD, Raval AN, Ward C. Evaluation and Management of Right-Sided Heart Failure: A Scientific Statement From the American Heart Association. Circulation 2018; 137:e578-e622. [DOI: 10.1161/cir.0000000000000560] [Citation(s) in RCA: 335] [Impact Index Per Article: 55.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Background and Purpose:
The diverse causes of right-sided heart failure (RHF) include, among others, primary cardiomyopathies with right ventricular (RV) involvement, RV ischemia and infarction, volume loading caused by cardiac lesions associated with congenital heart disease and valvular pathologies, and pressure loading resulting from pulmonic stenosis or pulmonary hypertension from a variety of causes, including left-sided heart disease. Progressive RV dysfunction in these disease states is associated with increased morbidity and mortality. The purpose of this scientific statement is to provide guidance on the assessment and management of RHF.
Methods:
The writing group used systematic literature reviews, published translational and clinical studies, clinical practice guidelines, and expert opinion/statements to summarize existing evidence and to identify areas of inadequacy requiring future research. The panel reviewed the most relevant adult medical literature excluding routine laboratory tests using MEDLINE, EMBASE, and Web of Science through September 2017. The document is organized and classified according to the American Heart Association to provide specific suggestions, considerations, or reference to contemporary clinical practice recommendations.
Results:
Chronic RHF is associated with decreased exercise tolerance, poor functional capacity, decreased cardiac output and progressive end-organ damage (caused by a combination of end-organ venous congestion and underperfusion), and cachexia resulting from poor absorption of nutrients, as well as a systemic proinflammatory state. It is the principal cause of death in patients with pulmonary arterial hypertension. Similarly, acute RHF is associated with hemodynamic instability and is the primary cause of death in patients presenting with massive pulmonary embolism, RV myocardial infarction, and postcardiotomy shock associated with cardiac surgery. Functional assessment of the right side of the heart can be hindered by its complex geometry. Multiple hemodynamic and biochemical markers are associated with worsening RHF and can serve to guide clinical assessment and therapeutic decision making. Pharmacological and mechanical interventions targeting isolated acute and chronic RHF have not been well investigated. Specific therapies promoting stabilization and recovery of RV function are lacking.
Conclusions:
RHF is a complex syndrome including diverse causes, pathways, and pathological processes. In this scientific statement, we review the causes and epidemiology of RV dysfunction and the pathophysiology of acute and chronic RHF and provide guidance for the management of the associated conditions leading to and caused by RHF.
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Bhogal S, Mukherjee D, Banerjee S, Islam AM, Daggubati R, Paul TK. Current Trends and Future Perspectives in the Treatment of Pulmonary Hypertension: WHO Group II-V. Curr Probl Cardiol 2018; 43:217-231. [PMID: 29153390 DOI: 10.1016/j.cpcardiol.2017.10.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Miklashevich IM, Shkolnikova МA, Gorbachevsky SV, Shmalts AA, Groznova ОS, Sadykova DI, Yakovleva LV, Degtyarev DN, Burov AA, Ovsyannikov DY, Volkov AV. CONTEMPORARY STRATEGY OF PULMONARY HYPERTENSION MANAGEMENT IN PEDIATRICS. КАРДИОВАСКУЛЯРНАЯ ТЕРАПИЯ И ПРОФИЛАКТИКА 2018. [DOI: 10.15829/1728-8800-2018-2-101-124] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Pulmonary hypertension (PH) in pediatrics is a polygenic multifactorial condition with extremely adverse prognosis. Selection of optimal management is a severe task. In absence of treatment the mean life duration in children is not higher one year. Last two decades, revolution in approaches to treatment improved the survival of this patients group. Recently, pediatricians and pediatric cardiologists have three drugs groups that act on the main pathogenetic chains of PH: endothelin pathway, nitric oxide pathway and prostacyclin pathway. At the moment, approaches to pediatric PH are based on the data obtained in the trials on adult patients. However, not long ago there were first randomized trials on children performed. The group of authors of current article presents a modern view on the problem of PH in children, and expert recommendations on children management. Class of recommendations and evidence level were set by the data obtained in pediatric population or on adult population with at least 10% of children included. To the strategy, developed by the Russian clinicians, laid the analysis of experience of the pathology treatment in Russian Federation, as the current practics and clinical guidelines on pediatric PH in Europe, and the recent trials published.
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Affiliation(s)
- I. M. Miklashevich
- Veltishchev ScientificResearch Clinical Institute of Pediatrics of the Pirogov RNRMU
| | - М. A. Shkolnikova
- Veltishchev ScientificResearch Clinical Institute of Pediatrics of the Pirogov RNRMU
| | | | | | - О. S. Groznova
- Veltishchev ScientificResearch Clinical Institute of Pediatrics of the Pirogov RNRMU
| | | | | | - D. N. Degtyarev
- Kulakov Scientific Center of Obstetrics, Gynecology and Perinatology
| | - A. A. Burov
- Kulakov Scientific Center of Obstetrics, Gynecology and Perinatology
| | | | - A. V. Volkov
- Nasonova ScientificResearch Center of Rheumatology
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Abstract
Pulmonary hypertension is defined as a resting mean pulmonary artery pressure of 25 mm Hg or above. This review deals with pulmonary arterial hypertension (PAH), a type of pulmonary hypertension that primarily affects the pulmonary vasculature. In PAH, the pulmonary vasculature is dynamically obstructed by vasoconstriction, structurally obstructed by adverse vascular remodeling, and pathologically non-compliant as a result of vascular fibrosis and stiffening. Many cell types are abnormal in PAH, including vascular cells (endothelial cells, smooth muscle cells, and fibroblasts) and inflammatory cells. Progress has been made in identifying the causes of PAH and approving new drug therapies. A cancer-like increase in cell proliferation and resistance to apoptosis reflects acquired abnormalities of mitochondrial metabolism and dynamics. Mutations in the type II bone morphogenetic protein receptor (BMPR2) gene dramatically increase the risk of developing heritable PAH. Epigenetic dysregulation of DNA methylation, histone acetylation, and microRNAs also contributes to disease pathogenesis. Aberrant bone morphogenetic protein signaling and epigenetic dysregulation in PAH promote cell proliferation in part through induction of a Warburg mitochondrial-metabolic state of uncoupled glycolysis. Complex changes in cytokines (interleukins and tumor necrosis factor), cellular immunity (T lymphocytes, natural killer cells, macrophages), and autoantibodies suggest that PAH is, in part, an autoimmune, inflammatory disease. Obstructive pulmonary vascular remodeling in PAH increases right ventricular afterload causing right ventricular hypertrophy. In some patients, maladaptive changes in the right ventricle, including ischemia and fibrosis, reduce right ventricular function and cause right ventricular failure. Patients with PAH have dyspnea, reduced exercise capacity, exertional syncope, and premature death from right ventricular failure. PAH targeted therapies (prostaglandins, phosphodiesterase-5 inhibitors, endothelin receptor antagonists, and soluble guanylate cyclase stimulators), used alone or in combination, improve functional capacity and hemodynamics and reduce hospital admissions. However, these vasodilators do not target key features of PAH pathogenesis and have not been shown to reduce mortality, which remains about 50% at five years. This review summarizes the epidemiology, pathogenesis, diagnosis, and treatment of PAH.
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Affiliation(s)
| | - Mark L Ormiston
- Department of Medicine, Queen's University, Kingston, ON, Canada
| | - John J Ryan
- Department of Medicine, University of Utah, Salt Lake City, UT, USA
| | - Stephen L Archer
- Department of Medicine, Queen's University, Kingston, ON, Canada
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Affiliation(s)
- J E Cannon
- Pulmonary Vascular Diseases Unit, Papworth Hospital, Cambridge, UK
| | - J Pepke-Zaba
- Pulmonary Vascular Diseases Unit, Papworth Hospital, Cambridge, UK
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Current Trends and Future Perspectives in the Treatment of Pulmonary Arterial Hypertension. Curr Probl Cardiol 2017; 43:191-216. [PMID: 29174585 DOI: 10.1016/j.cpcardiol.2017.10.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Pulmonary hypertension continues to be a life-threatening illness with debilitating physical and emotional consequences affecting around 1% of global population. The progression of this devastating disease is characterized by increase in pulmonary vascular resistance resulting in elevated pulmonary pressure, eventually leading to right heart failure and death. Better understanding of pathophysiology has led to substantial improvements in terms of availability of treatment options. The purpose of this review is to summarize the currently available treatment options along with pertinent trials and possible future therapies of pulmonary arterial hypertension.
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Gorter TM, van Veldhuisen DJ, Bauersachs J, Borlaug BA, Celutkiene J, Coats AJS, Crespo-Leiro MG, Guazzi M, Harjola VP, Heymans S, Hill L, Lainscak M, Lam CSP, Lund LH, Lyon AR, Mebazaa A, Mueller C, Paulus WJ, Pieske B, Piepoli MF, Ruschitzka F, Rutten FH, Seferovic PM, Solomon SD, Shah SJ, Triposkiadis F, Wachter R, Tschöpe C, de Boer RA. Right heart dysfunction and failure in heart failure with preserved ejection fraction: mechanisms and management. Position statement on behalf of the Heart Failure Association of the European Society of Cardiology. Eur J Heart Fail 2017; 20:16-37. [PMID: 29044932 DOI: 10.1002/ejhf.1029] [Citation(s) in RCA: 204] [Impact Index Per Article: 29.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2017] [Revised: 08/16/2017] [Accepted: 09/05/2017] [Indexed: 12/28/2022] Open
Abstract
There is an unmet need for effective treatment strategies to reduce morbidity and mortality in patients with heart failure with preserved ejection fraction (HFpEF). Until recently, attention in patients with HFpEF was almost exclusively focused on the left side. However, it is now increasingly recognized that right heart dysfunction is common and contributes importantly to poor prognosis in HFpEF. More insights into the development of right heart dysfunction in HFpEF may aid to our knowledge about this complex disease and may eventually lead to better treatments to improve outcomes in these patients. In this position paper from the Heart Failure Association of the European Society of Cardiology, the Committee on Heart Failure with Preserved Ejection Fraction reviews the prevalence, diagnosis, and pathophysiology of right heart dysfunction and failure in patients with HFpEF. Finally, potential treatment strategies, important knowledge gaps and future directions regarding the right side in HFpEF are discussed.
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Affiliation(s)
- Thomas M Gorter
- Department of Cardiology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Dirk J van Veldhuisen
- Department of Cardiology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Johann Bauersachs
- Department of Cardiology and Angiology, Medical School Hannover, Hannover, Germany
| | - Barry A Borlaug
- Division of Cardiovascular Diseases, Department of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Jelena Celutkiene
- Clinic of Cardiac and Vascular Diseases, Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Andrew J S Coats
- Monash University, Clayton Campus, Melbourne, Victoria 3800, Australia.,University of Warwick, Kirby Corner Road, Coventry CV4 8UW, UK
| | - Marisa G Crespo-Leiro
- Advanced Heart Failure and Heart Transplant Unit, Servicio de Cardiologia-CIBERCV, Complejo Hospitalario Universitario A Coruña (CHUAC), Instituto Investigación Biomedica A Coruña (INIBIC), Universidad da Coruña (UDC), La Coruña, Spain
| | - Marco Guazzi
- Heart Failure Unit, University of Milan, IRCCS Policlinico San Donato, Milan, Italy
| | - Veli-Pekka Harjola
- Emergency Medicine, University of Helsinki, Department of Emergency Medicine and Services, Helsinki University Hospital, Helsinki, Finland
| | - Stephane Heymans
- Department of Cardiology, CARIM, Maastricht University Medical Centre, Maastricht, the Netherlands
| | | | - Mitja Lainscak
- Department of Internal Medicine, General Hospital Murska Sobota, Murska Sobota, Slovenia
| | - Carolyn S P Lam
- Department of Cardiology, National Heart Center Singapore, Singapore Duke-NUS Graduate Medical School, Singapore
| | - Lars H Lund
- Department of Medicine, Karolinska Institutet and Heart and Vascular Theme, Karolinska University Hospital, Stockholm, Sweden
| | - Alexander R Lyon
- National Heart and Lung Institute, Imperial College London and Royal Brompton Hospital, London, UK
| | - Alexandre Mebazaa
- Department of Anesthesiology and Critical Care, APHP - Saint Louis Lariboisière University Hospitals, University Paris Diderot, Paris, France
| | - Christian Mueller
- Department of Cardiology, Cardiovascular Research Institute Basel, University Hospital Basel, Basel, Switzerland
| | - Walter J Paulus
- Department of Cardiology, VU University Medical Center, Amsterdam, the Netherlands
| | - Burkert Pieske
- Department of Internal Medicine and Cardiology, Charité University Medicine, Berlin, Germany, and Department of Internal Medicine Cardiology, German Heart Center Berlin, DZHK (German Center for Cardiovascular Research) and Berlin Institute of Health (BIH), Berlin, Germany
| | - Massimo F Piepoli
- Heart Failure Unit, Cardiac Department, G. da Saliceto Hospital, Piacenza, Italy
| | - Frank Ruschitzka
- Clinic for Cardiology, University Hospital Zurich, Zürich, Switzerland
| | - Frans H Rutten
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Petar M Seferovic
- Cardiology Department, Clinical Centre Serbia, Medical School, Belgrade, Serbia
| | - Scott D Solomon
- Cardiovascular Division, Brigham and Women's Hospital, Boston, MA, USA
| | - Sanjiv J Shah
- Division of Cardiology, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | | | - Rolf Wachter
- Clinic and Policlinic for Cardiology, University Hospital Leipzig, Leipzig, Germany and German Cardiovascular Research Center, partner site Göttingen
| | - Carsten Tschöpe
- Department of Internal Medicine and Cardiology, Charité University Medicine, Berlin, Germany, and Department of Internal Medicine Cardiology, German Heart Center Berlin, DZHK (German Center for Cardiovascular Research) and Berlin Institute of Health (BIH), Berlin, Germany
| | - Rudolf A de Boer
- Department of Cardiology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
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Rammo R, Robin A, John J, Pabaney A, Varelas P, Kole M. Management of acute subdural hematoma in a patient with portopulmonary hypertension on prostanoid therapy. Surg Neurol Int 2017; 8:161. [PMID: 28840065 PMCID: PMC5551284 DOI: 10.4103/sni.sni_65_17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Accepted: 05/16/2017] [Indexed: 12/01/2022] Open
Abstract
Background: Treprostinil is a prostacyclin analog used to treat portopulmonary hypertension (PPHTN) and is one of several drugs shown to increase survival, but results in platelet dysfunction. Little is known about the management of patients on treprostinil who present with an acute subdural hematoma (aSDH). We describe such a case and offer our recommendations on management based on our experience and review of the literature. Case Description: A 63-year-old, right-handed female with a history of PPHTN presented with severe headache and was found to have a large left aSDH with midline shift on imaging. She was admitted to the neurosurgical intensive care unit (ICU) where she developed hemiparesis and subsequently underwent emergent decompression. Postoperatively she improved, but several hours after became obtunded and imaging showed reaccumulation of the aSDH, which required reoperation. At 6 months postoperatively she had only a mild hemiparesis and was being reconsidered for treprostinil therapy as a bridge to liver transplant. Only one paper in the literature thus far has reported a patient with an aSDH managed with treprostinil. The authors achieved adequate intraoperative hemostasis without the use of platelet transfusion and lack of complications intraoperatively. Conclusion: While concerns related to the risk of bleeding in surgery are valid, intraoperative hemostasis does not appear to be profoundly affected. Surgical intervention should not be delayed and prostanoid therapy discontinued, if possible, postoperatively. Patients should be placed in an intensive care setting with assistance from pulmonary specialists and close monitoring of neurological status and blood pressure.
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Affiliation(s)
- Richard Rammo
- Department of Neurosurgery, Henry Ford Hospital, Detroit, Michigan, USA
| | - Adam Robin
- Department of Neurosurgery, Henry Ford Hospital, Detroit, Michigan, USA
| | - Jessin John
- Department of Neurosurgery, Henry Ford Hospital, Detroit, Michigan, USA
| | - Aqueel Pabaney
- Department of Neurosurgery, Henry Ford Hospital, Detroit, Michigan, USA
| | - Panayiotis Varelas
- Department of Neurosurgery, Henry Ford Hospital, Detroit, Michigan, USA.,Department of Neurology, Henry Ford Hospital, Detroit, Michigan, USA
| | - Max Kole
- Department of Neurosurgery, Henry Ford Hospital, Detroit, Michigan, USA
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Abstract
Different treatment options for pulmonary hypertension have emerged in recent years, and evidence-based management strategies have improved quality of life and survival in adults. In children with pulmonary vascular disease, therapeutic algorithms are not so clearly defined; this study determined current treatment initiation in children with pulmonary hypertension in participating centres of a registry. Through the multinational Tracking Outcomes and Practice in Pediatric Pulmonary Hypertension registry, patient demographics, diagnosis, and treatment as judged and executed by the local physician were collected. Inclusion criteria were >3 months and <18 years of age and diagnostic cardiac catheterisation consistent with pulmonary hypertension (mean pulmonary arterial pressure ⩾25 mmHg, pulmonary vascular resistance index ⩾3 Wood units×m2, and mean pulmonary capillary wedge pressure ⩽12 mmHg). At diagnostic catheterisation, 217/244 patients (88.9%) were treatment naïve for pulmonary hypertension-targeted therapy. Targeted therapy was initiated after catheterisation in 170 (78.3%) treatment-naïve patients. A total of 19 patients received supportive therapy, 28 patients were not started on therapy, and 26 patients (10.7%) were on targeted treatment before catheterisation. Among treatment-naïve subjects, treatment was initiated with one targeted drug (n=112, 51.6%), dual therapy (n=39, 18%) or triple-therapy (n=5, 2.3%), and calcium channel blockers with one targeted medication in one patient (0.5%). Phosphodiesterase inhibitors type 5 were used frequently; some patients with pulmonary hypertension related to lung disease received targeted therapy. There is a diverse therapeutic approach for children with pulmonary hypertension with a need of better-defined treatment algorithms based on paediatric consensus for different aetiologies including the best possible diagnostic workup.
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Hsu N, Wang T, Friedman O, Barjaktarevic I. Medical Management of Pulmonary Embolism: Beyond Anticoagulation. Tech Vasc Interv Radiol 2017; 20:152-161. [PMID: 29029709 DOI: 10.1053/j.tvir.2017.07.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Pulmonary embolism (PE) is a common medical condition that carries significant morbidity and mortality. Although diagnosis, anticoagulation, and interventional clot-burden reduction strategies represent the focus of clinical research and care in PE, appropriate risk stratification and supportive care are crucial to ensure good outcomes. In this chapter, we will discuss the medical management of PE from the time of presentation to discharge, focusing on the critical care of acute right ventricular failure, anticoagulation of special patient populations, and appropriate follow-up testing after acute PE.
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Affiliation(s)
- Nancy Hsu
- Division of Pulmonary and Critical Care, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Tisha Wang
- Division of Pulmonary and Critical Care, David Geffen School of Medicine at UCLA, Los Angeles, CA
| | - Oren Friedman
- Division of Cardiothoracic Surgery, Cedars-Sinai Medical Center, Los Angeles, CA
| | - Igor Barjaktarevic
- Division of Pulmonary and Critical Care, David Geffen School of Medicine at UCLA, Los Angeles, CA.
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Holmboe S, Andersen A, Jensen RV, Kimose HH, Ilkjær LB, Shen L, Clapp LH, Nielsen-Kudsk JE. Prostacyclins have no direct inotropic effect on isolated atrial strips from the normal and pressure-overloaded human right heart. Pulm Circ 2017; 7:339-347. [PMID: 28597773 PMCID: PMC5467920 DOI: 10.1177/2045893217691532] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Prostacyclins are vasodilatory agents used in the treatment of pulmonary arterial hypertension. The direct effects of prostacyclins on right heart function are still not clarified. The aim of this study was to investigate the possible direct inotropic properties of clinical available prostacyclin mimetics in the normal and the pressure-overloaded human right atrium. Trabeculae from the right atrium were collected during surgery from chronic thromboembolic pulmonary hypertension (CTEPH) patients with pressure-overloaded right hearts, undergoing pulmonary thromboendarterectomy (n = 10) and from patients with normal right hearts operated by valve replacement or coronary bypass surgery (n = 9). The trabeculae were placed in an organ bath, continuously paced at 1 Hz. They were subjected to increasing concentrations of iloprost, treprostinil, epoprostenol, or MRE-269, followed by isoprenaline to elicit a reference inotropic response. The force of contraction was measured continuously. The expression of prostanoid receptors was explored through quantitative polymerase chain reaction (qPCR). Iloprost, treprostinil, epoprostenol, or MRE-269 did not alter force of contraction in any of the trabeculae. Isoprenaline showed a direct inotropic response in both trabeculae from the pressure-overloaded right atrium and from the normal right atrium. Control experiments on ventricular trabeculae from the pig failed to show an inotropic response to the prostacyclin mimetics. qPCR demonstrated varying expression of the different prostanoid receptors in the human atrium. In conclusion, prostacyclin mimetics did not increase the force of contraction of human atrial trabeculae from the normal or the pressure-overloaded right heart. These data suggest that prostacyclin mimetics have no direct inotropic effects in the human right atrium.
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Affiliation(s)
- Sarah Holmboe
- 1 Department of Cardiology, Aarhus University Hospital, Aarhus N, Denmark
| | - Asger Andersen
- 1 Department of Cardiology, Aarhus University Hospital, Aarhus N, Denmark
| | - Rebekka V Jensen
- 1 Department of Cardiology, Aarhus University Hospital, Aarhus N, Denmark
| | - Hans Henrik Kimose
- 2 Department of Thoracic Surgery, Aarhus University Hospital, Aarhus N, Denmark
| | - Lars B Ilkjær
- 2 Department of Thoracic Surgery, Aarhus University Hospital, Aarhus N, Denmark
| | - Lei Shen
- 3 Institute of Cardiovascular Science, University College London, London, UK
| | - Lucie H Clapp
- 3 Institute of Cardiovascular Science, University College London, London, UK
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Gupta A, Dakkak M, Miller A. Digoxin and Heart Failure: Are We Clear Yet? CARDIOVASCULAR INNOVATIONS AND APPLICATIONS 2017. [DOI: 10.15212/cvia.2016.0044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Abstract
Right ventricular failure is the subject of renewed attention as the importance of RV function in a variety of disease states has been recognized. The RV is highly compliant, and is able to accommodate a wide range of preload conditions. Yet, it is afterload-sensitive, and normal physiology is dependent on its association with the low resistance of the pulmonary vasculature. Changes in the pulmonary vascular resistance, either acutely or over time, provoke a series of adaptations that are designed to maintain a normal cardiac output, but ultimately lead to decompensation and RV failure. Through ventricular interdependence, RV failure may impair left ventricular diastolic and systolic function, further reducing cardiac performance. Both echocardiography and magnetic resonance imaging can provide detailed information about RV structure, with MRI providing better assessment of ventricular volumes and RV function. Right heart catheterization is often necessary for definitive diagnosis of the etiology of RV failure and for determining the best therapeutic options. The treatment of RV failure is highly dependent on the underlying etiology, which should be corrected if possible. Targeted medical therapy is particularly useful in cases of pulmonary arterial hypertension, and is under investigation for broader use in other causes of pulmonary hypertension.
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45
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Polsinelli VB, Shah SJ. Advances in the pharmacotherapy of chronic heart failure with preserved ejection fraction: an ideal opportunity for precision medicine. Expert Opin Pharmacother 2017; 18:399-409. [PMID: 28129699 DOI: 10.1080/14656566.2017.1288717] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
INTRODUCTION Heart failure with preserved ejection fraction (HFpEF), which comprises approximately 50% of all heart failure patients, is a challenging and complex clinical syndrome that is often thought to lack effective treatments. Areas covered: Despite the common mantra that HFpEF has no effective treatments, closer inspection of HFpEF clinical trials reveals that several of the drugs tested are associated with benefits in exercise capacity and quality of life, and reduction in heart failure hospitalization. Here we review major randomized controlled trials in HFpEF, focusing on renin-angiotensin-aldosterone system antagonists, organic nitrates, digoxin, beta-blockers, and phosphodiesterase-5 inhibitors. In addition, we review several classes of drugs currently in development for HFpEF such as neprilysin inhibitors, inorganic nitrates (nitrites), and soluble guanylate cyclase stimulators. Expert opinion: HFpEF should not be viewed as lacking effective treatments. While there have been no breakthrough clinical trials showing a reduction in mortality, several existing medications are likely to benefit specific subgroups of HFpEF patients. HFpEF is now well known to be a heterogeneous syndrome; thus, the clinical management of HFpEF patients and future HFpEF clinical trials will both likely require a nuanced, phenotype-specific approach instead of a one-size-fits-all tactic. Drug development for HFpEF therefore represents an exciting opportunity for personalized medicine.
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Affiliation(s)
- Vincenzo B Polsinelli
- a Division of Cardiology, Department of Medicine , Northwestern University Feinberg School of Medicine , Chicago , IL , USA
| | - Sanjiv J Shah
- a Division of Cardiology, Department of Medicine , Northwestern University Feinberg School of Medicine , Chicago , IL , USA
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Bonou M, Kapelios CJ, Kaltsas G, Perreas K, Toutouzas K, Barbetseas J. Cardiac Surgery for Carcinoid Heart Disease: A Weapon Not to Be Misused. Cardiology 2016; 136:243-251. [PMID: 27832643 DOI: 10.1159/000450938] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Accepted: 09/20/2016] [Indexed: 11/19/2022]
Abstract
Carcinoid heart disease (CHD) complicates approximately 25% of patients with a carcinoid tumor and carcinoid syndrome and leads to heart valve degeneration with mixed-stenotic and regurgitation pathology and consequent heart failure (HF) leading to significant morbidity and mortality. Cardiac surgery in symptomatic, severe CHD leads to significantly better functional capacity and prolonged survival when compared to medical treatment alone. Recent studies have shown improvement in postoperative outcomes of patients undergoing surgery for CHD over the last decades. The trend for early diagnosis and application of surgery prior to the manifestation of HF symptoms, which tended to develop during the previous years, does not seem justifiable based on the findings of recent studies. Therefore, the optimal timing of intervention in CHD and the type of valve that should preferably be used remain issues of controversy. This review comprehensively examines the existing literature on the treatment options for patients with CHD, with a special focus on short- and long-term survival after cardiac surgery, and discusses the selection of the exact patient profile and intervention timing that are more likely to optimize the benefit-to-risk ratio for surgical intervention.
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Affiliation(s)
- Maria Bonou
- Department of Cardiology, Laiko General Hospital, Athens, Greece
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47
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Alajaji W, Baydoun A, Al-Kindi SG, Henry L, Hanna MA, Oliveira GH. Digoxin therapy for cor pulmonale: A systematic review. Int J Cardiol 2016; 223:320-324. [DOI: 10.1016/j.ijcard.2016.08.018] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Revised: 08/01/2016] [Accepted: 08/02/2016] [Indexed: 12/23/2022]
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Hahn SS, Makaryus M, Talwar A, Narasimhan M, Zaidi G. A review of therapeutic agents for the management of pulmonary arterial hypertension. Ther Adv Respir Dis 2016; 11:46-63. [PMID: 27595643 PMCID: PMC5941973 DOI: 10.1177/1753465816665289] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Pulmonary arterial hypertension (PAH) is an uncommon, progressive and life
threatening disease characterized by a proliferative vasculopathy of the small
muscular pulmonary arterioles resulting in elevated pulmonary vascular
resistance and eventually right ventricular failure. An increasing understanding
of the pathobiology of PAH and its natural history has led to the development of
numerous targeted therapies. Despite these advances there is significant
progression of disease and the survival rate remains low. This article reviews
the agents currently available for the medical management of PAH.
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Affiliation(s)
- Stella S Hahn
- Northwell Health Division of Pulmonary Critical Care and Sleep Medicine, 410 Lakeville Road, Suite 107, New Hyde Park, NY 11042, USA
| | - Mina Makaryus
- Northwell Health Division of Pulmonary Critical Care and Sleep Medicine, 410 Lakeville Road, Suite 107, New Hyde Park, NY 11042, USA
| | - Arunabh Talwar
- Northwell Health Division of Pulmonary Critical Care and Sleep Medicine, 410 Lakeville Road, Suite 107, New Hyde Park, NY 11042, USA
| | - Mangala Narasimhan
- Northwell Health Division of Pulmonary Critical Care and Sleep Medicine, 410 Lakeville Road, Suite 107, New Hyde Park, NY 11042, USA
| | - Gulrukh Zaidi
- Northwell Health Division of Pulmonary Critical Care and Sleep Medicine, 410 Lakeville Road, Suite 107, New Hyde Park, NY 11042, USA
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Hansmann G, Apitz C. Treatment of children with pulmonary hypertension. Expert consensus statement on the diagnosis and treatment of paediatric pulmonary hypertension. The European Paediatric Pulmonary Vascular Disease Network, endorsed by ISHLT and DGPK. Heart 2016; 102 Suppl 2:ii67-85. [PMID: 27053700 DOI: 10.1136/heartjnl-2015-309103] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2015] [Accepted: 01/18/2016] [Indexed: 11/04/2022] Open
Abstract
Treatment of children and adults with pulmonary hypertension (PH) with or without cardiac dysfunction has improved in the last two decades. The so-called pulmonary arterial hypertension (PAH)-specific medications currently approved for therapy of adults with PAH target three major pathways (endothelin, nitric oxide, prostacyclin). Moreover, some PH centres may use off-label drugs for compassionate use. Pulmonary hypertensive vascular disease (PHVD) in children is complex, and selection of appropriate therapies remains difficult. In addition, paediatric PAH/PHVD therapy is vastly based on experience and trial data from adult rather than paediatric studies; however, the first randomised paediatric PAH trials have been conducted recently. We present consensus recommendations for the treatment of children with PH. Class of recommendation and level of evidence were assigned based on paediatric data only or on adult studies that included >10% children. After a systematic literature search and analysis of the published data, we developed treatment strategies and algorithms that can guide goal-oriented PH therapy. We discuss early combination therapy (double, triple) in patients with PAH in functional class II-IV and in those with inadequate response to the initial pharmacotherapy. In those children with progressive, severe PAH and inadequate response, advances in drug development, and interventional and surgical approaches provide promising new strategies to avoid, reverse or ameliorate right heart failure and left ventricular compression. In particular, first follow-up data indicate that Potts shunt (left pulmonary artery to descending aorta anastomosis) may be an alternative destination therapy, or bridge to bilateral lung transplantation, in end-stage paediatric PAH.
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Affiliation(s)
- Georg Hansmann
- Department of Paediatric Cardiology and Critical Care, Hannover Medical School, Hannover, Germany
| | - Christian Apitz
- Division of Paediatric Cardiology, Children's University Hospital Ulm, Ulm, Germany
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50
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Affiliation(s)
- Ali Ataya
- Pulmonary Vascular Disease Program, Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, University of Florida, Gainesville, Florida
| | - Sheylan Patel
- Pulmonary Vascular Disease Program, Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, University of Florida, Gainesville, Florida
| | - Jessica Cope
- Pulmonary Vascular Disease Program, Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, University of Florida, Gainesville, Florida
| | - Hassan Alnuaimat
- Pulmonary Vascular Disease Program, Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, University of Florida, Gainesville, Florida
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