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Zhu F, Gan W, Liu H, Chen W, Zeng X. Risk factors for renal progression in patients with CKD and coexisting COPD. Int Urol Nephrol 2024:10.1007/s11255-024-04227-x. [PMID: 39400674 DOI: 10.1007/s11255-024-04227-x] [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: 07/07/2024] [Accepted: 09/30/2024] [Indexed: 10/15/2024]
Abstract
BACKGROUND Chronic diseases rarely occur in isolation, and chronic kidney disease (CKD) is no exception. There has been considerable research on the interplay between the heart and kidneys, but studies on the relationship between the lungs and kidneys are less common. The interaction between pulmonary and renal functions in areas such as acid-base metabolism, chronic inflammation, and bone metabolism is increasingly gaining clinical attention. METHOD In this cohort study, we examined 480 patients with stages 3-4 CKD and COPD (GOLD stages 1 and 2) to identify risk factors that contribute to the progression of renal function to a composite endpoint, which includes a 40% decline in estimated glomerular filtration rate (eGFR) and the onset of end-stage renal disease during follow-up periods. A Cox proportional hazards regression model was used to investigate the risk factors associated with the timing of renal event endpoints in the study population. Additionally, the restricted cubic spline method was used to explore the relationship between quantitative variables and survival risk. RESULTS Our study included 480 eligible patients with an average follow-up period of 21.41 ± 14.90 months, during which 224 individuals (46.7%) experienced the composite renal endpoints. Multivariable Cox regression analysis revealed that systolic blood pressure (SBP) [1.01 (1.00-1.02), p = 0.002], hemoglobin (Hb) [HR 0.89 (0.83-0.96), p = 0.002], albumin (Alb) [0.96 (0.93-0.99), p = 0.009], and edema [1.73 (1.29-2.33), p < 0.001] were independent risk factors for the renal endpoints. CONCLUSION The adjusted multivariable Cox regression analysis demonstrated that elevated SBP and edema were factors that promoted the occurrence of composite endpoints, while higher levels of Hb and Alb were protective factors.
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Affiliation(s)
- Fan Zhu
- Department of Nephrology, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430014, Hubei, China
| | - Wenyuan Gan
- Department of Nephrology, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430014, Hubei, China
| | - Hui Liu
- Department of Nephrology, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430014, Hubei, China
| | - Wenli Chen
- Department of Nephrology, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430014, Hubei, China.
| | - Xingruo Zeng
- Department of Nephrology, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430014, Hubei, China.
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Solidoro P, Dente F, Micheletto C, Pappagallo G, Pelaia G, Papi A. An Italian Delphi Consensus on the Triple inhalation Therapy in Chronic Obstructive Pulmonary Disease. Multidiscip Respir Med 2024; 19. [PMID: 39291458 DOI: 10.5826/mrm.2024.949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 07/01/2024] [Indexed: 09/19/2024] Open
Abstract
BACKGROUND The management of chronic obstructive pulmonary disease (COPD) lacks standardization due to the diverse clinical presentation, comorbidities, and limited acceptance of recommended approaches by physicians. To address this, a multicenter study was conducted among Italian respiratory physicians to assess consensus on COPD management and pharmacological treatment. METHODS The study employed the Delphi process using the Estimate-Talk-Estimate method, involving a scientific board and expert panel. During a 6-month period, the scientific board conducted the first Delphi round and identified 11 broad areas of COPD management to be evaluated while the second Delphi round translated all 11 items into statements. The statements were subsequently presented to the expert panel for independent rating on a nine-point scale. Consensus was considered achieved if the median score was 7 or higher. Consistently high levels of consensus were observed in the first rating, allowing the scientific board to finalize the statements without requiring further rounds. RESULTS Topics generating substantial discussion included the pre-COPD phase, patient-reported outcomes, direct escalation from a single bronchodilator to triple therapy, and the role of adverse events, particularly pneumonia, in guiding triple therapy prescriptions. Notably, these topics exhibited higher standard deviations, indicating greater variation in expert opinions. CONCLUSIONS The study emphasized the significance that Italian pulmonologists attribute to managing mortality, tailoring treatments, and addressing cardiovascular comorbidities in COPD patients. While unanimous consensus was not achieved for all statements, the results provide valuable insights to inform clinical decision-making among physicians and contribute to a better understanding of COPD management practices in Italy.
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Affiliation(s)
- Paolo Solidoro
- University of Turin, Medical Sciences Department, Pneumology Unit U, Cardiovascular and Thoracic Department, AOU Città Della Salute e Della Scienza di Torino, Italy
| | - Federico Dente
- Respiratory Pathophysiology Unit, Department of Surgery, Medicine, Molecular Biology, and Critical Care, University of Pisa, Pisa, Italy
| | - Claudio Micheletto
- Pneumology Unit, Cardio-Thoracic Department, Azienda Ospedaliera Universitaria Integrata, Verona, Italy
| | - Giovanni Pappagallo
- School of Clinical Methodology, IRCCS "Sacre Heart - Don Calabria", Negrar di Valpolicella, Italy
| | - Girolamo Pelaia
- Department of Health Sciences, University "Magna Græcia" of Catanzaro, Catanzaro, Italy
| | - Alberto Papi
- Respiratory Medicine Unit, University of Ferrara, Ferrara, Italy
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Blanco I, Torres-Castro R, Barberà JA. Pulmonary vascular disease in chronic lung diseases: cause or comorbidity? Curr Opin Pulm Med 2024; 30:437-443. [PMID: 38958570 DOI: 10.1097/mcp.0000000000001091] [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: 07/04/2024]
Abstract
PURPOSE OF REVIEW To provide timely and relevant insights into the complex relationship between pulmonary vascular disease (PVD) and chronic lung disease (CLD), focusing on the causative and consequential dynamics between these conditions. RECENT FINDINGS There are shared pathogenic mechanisms between pulmonary arterial hypertension (PAH) and group 3 pulmonary hypertension, including altered expression of mediators and growth factors implicated in both conditions. Factors such as hypoxia, hypoxemia, and hypercapnia also contribute to pulmonary vascular remodelling and endothelial dysfunction. However, the role of hypoxia as the sole driver of pulmonary hypertension in CLD is being reconsidered, particularly in chronic obstructive pulmonary disease (COPD), with evidence suggesting a potential role for cigarette smoke products in initiating pulmonary vascular impairment. On the other hand, interstitial lung disease (ILD) encompasses a group of heterogeneous lung disorders characterized by inflammation and fibrosis of the interstitium, leading to impaired gas exchange and progressive respiratory decline, which could also play a role as a cause of pulmonary hypertension. SUMMARY Understanding the intricate interplay between the pulmonary vascular compartment and the parenchymal and airway compartments in respiratory disease is crucial for developing effective diagnostic and therapeutic strategies for patients with PVD and CLD, with implications for both clinical practice and research.
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Affiliation(s)
- Isabel Blanco
- Department of Pulmonary Medicine, Hospital Clínic, University of Barcelona
- Fundació de Recerca Clínic Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (FRCB-IDIBAPS), Barcelona
- Biomedical Research Networking Center on Respiratory Diseases (CIBERES); Madrid, Spain
| | - Rodrigo Torres-Castro
- Department of Pulmonary Medicine, Hospital Clínic, University of Barcelona
- Fundació de Recerca Clínic Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (FRCB-IDIBAPS), Barcelona
- Department of Physical Therapy, Faculty of Medicine, University of Chile, Santiago, Chile
| | - Joan Albert Barberà
- Department of Pulmonary Medicine, Hospital Clínic, University of Barcelona
- Fundació de Recerca Clínic Barcelona-Institut d'Investigacions Biomèdiques August Pi i Sunyer (FRCB-IDIBAPS), Barcelona
- Biomedical Research Networking Center on Respiratory Diseases (CIBERES); Madrid, Spain
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Barberà JA, Peinado VI, Blanco I. Untangling severe pulmonary hypertension in chronic obstructive pulmonary disease. J Heart Lung Transplant 2024; 43:1102-1104. [PMID: 38522763 DOI: 10.1016/j.healun.2024.03.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Accepted: 03/19/2024] [Indexed: 03/26/2024] Open
Affiliation(s)
- Joan Albert Barberà
- Department of Respiratory Medicine, Hospital Clínic, University of Barcelona, Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Biomedical Research Networking Center on Respiratory Diseases (CIBERES), Madrid, Spain.
| | - Víctor Ivo Peinado
- Department of Respiratory Medicine, Hospital Clínic, University of Barcelona, Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Biomedical Research Networking Center on Respiratory Diseases (CIBERES), Madrid, Spain; Department of Experimental Pathology, Instituto de Investigaciones Biomédicas de Barcelona (IIBB-CSIC), Barcelona, Spain
| | - Isabel Blanco
- Department of Respiratory Medicine, Hospital Clínic, University of Barcelona, Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Biomedical Research Networking Center on Respiratory Diseases (CIBERES), Madrid, Spain
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Teke KB, Doğan NÖ, Özturan İU, Yılmaz S, Yaka E, Pekdemir M. Prognostic Value of Jugular Venous Diameters and Compliance in Patients with Exacerbation of Chronic Obstructive Pulmonary Disease. J Med Ultrasound 2024; 32:238-243. [PMID: 39310859 PMCID: PMC11414959 DOI: 10.4103/jmu.jmu_83_23] [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: 07/16/2023] [Revised: 08/02/2023] [Accepted: 08/15/2023] [Indexed: 09/25/2024] Open
Abstract
Background Chronic obstructive pulmonary disease (COPD) exacerbations constitute a significant proportion of patients presenting to the emergency department (ED). It has been suggested that measurement of jugular venous diameter and compliance may have prognostic value in patients with heart failure. We hypothesized that these measurements may also be valuable in patients with advanced COPD. Methods This study was a single-center, prospective, and cross-sectional study conducted in a university hospital between November 2020 and November 2021. In the study, internal jugular vein (IJV) diameters (inspiration, forced expiration, and rest) and jugular venous compliance were measured with ultrasound in patients who presented to the ED with COPD exacerbation. One month later, data about mortality, intensive care unit (ICU) admission, and any hospitalization were obtained and evaluated together with a range of laboratory parameters. Results Data from a total of 93 patients were analyzed. Of these, 17 (18.2%) died, 19 (20.4%) were admitted to the ICU, and 36 (38.7%) were hospitalized at the end of the 1-month period. Consequently, a total of 44 patients (47.3%) were in the good outcome group and 49 patients (52.7%) were in the poor outcome group. In terms of mortality, inspiratory IJV diameter was 5.6 ± 2.9 mm in the survived group (n = 76) and 7.6 ± 3.9 mm in the deceased group (n = 17) (P = 0.031). There was no difference between the venous compliance values and other diameter measurements of the patients. In the analysis performed with the subgroup with high N-terminal prohormone brain natriuretic peptide values, it was shown that both resting and inspiration diameter measurements were higher in the group with poor outcomes. Conclusion There was no difference between the jugular vein compliance values in terms of mortality in patients admitted to the ED with COPD exacerbation. However, these measurements may have prognostic value in patients with COPD exacerbations complicated by heart failure.
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Affiliation(s)
- Kutlu Barış Teke
- Department of Emergency Medicine, Tuzla State Hospital, Istanbul, Turkey
| | - Nurettin Özgür Doğan
- Department of Emergency Medicine, Faculty of Medicine, Kocaeli University, Kocaeli, Turkey
| | - İbrahim Ulaş Özturan
- Department of Emergency Medicine, Faculty of Medicine, Kocaeli University, Kocaeli, Turkey
| | - Serkan Yılmaz
- Department of Emergency Medicine, Faculty of Medicine, Kocaeli University, Kocaeli, Turkey
| | - Elif Yaka
- Department of Emergency Medicine, Faculty of Medicine, Kocaeli University, Kocaeli, Turkey
| | - Murat Pekdemir
- Department of Emergency Medicine, Faculty of Medicine, Kocaeli University, Kocaeli, Turkey
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Steger M, Canuet M, Enache I, Goetsch T, Labani A, Meyer L, Martin G, Kessler R, Montani D, Riou M. Survival and response to pulmonary vasodilator therapies in patients with chronic obstructive pulmonary disease and pulmonary vascular phenotype. Respir Med 2024; 225:107585. [PMID: 38479707 DOI: 10.1016/j.rmed.2024.107585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 02/13/2024] [Accepted: 03/03/2024] [Indexed: 03/18/2024]
Abstract
BACKGROUND The aim of the study was to describe and investigate the effect of pulmonary arterial hypertension (PAH) therapies in a cohort of patients with severe precapillary pulmonary hypertension (PH) associated with chronic obstructive pulmonary disease (COPD; PH-COPD), and to assess factors predictive of treatment response and mortality. MATERIAL AND METHODS We retrospectively included patients with severe incident PH-COPD who received PAH therapy and underwent RHC at diagnosis and on treatment. RESULTS From 2015 to 2022, 35 severe PH-COPD patients, with clinical features of pulmonary vascular phenotype, were included. Seventeen (48.5%) patients were treated with combined PAH therapy. PAH therapy led to a significant improvement in hemodynamics (PVR -3.5 Wood Units (-39.3%); p < 0.0001), and in the simplified four-strata risk-assessment score, which improved by at least one category in 21 (60%) patients. This effect was more pronounced in patients on dual therapy. Kaplan-Meier estimated survival rates at 1, 3 and 5 years were 94%, 65% and 42% respectively. Univariate analysis showed a significant reduction in survival in patients with a higher simplified risk score at follow-up (Hazard ratio (HR) 2.88 [1.16-7.15]; p = 0.02). Hypoxemia <50 mmHg was correlated to mortality in multivariate analysis (HR 4.33 [1.08-17.42]; p = 0.04). CONCLUSIONS Our study confirms the poor prognosis of patients with COPD and a pulmonary vascular phenotype and the potential interest of combined PAH therapy in this population, with good tolerability and greater clinical and hemodynamic improvement than monotherapy. Using the simplified risk score during follow-up could be of interest in this population.
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Affiliation(s)
- Mathilde Steger
- Chest Diseases Department, Nouvel Hôpital Civil, University Hospital of Strasbourg, Strasbourg, France
| | - Matthieu Canuet
- Chest Diseases Department, Nouvel Hôpital Civil, University Hospital of Strasbourg, Strasbourg, France
| | - Irina Enache
- Department of Physiology and Functional Exploration, Nouvel Hôpital Civil, University Hospital of Strasbourg, Strasbourg, France; University of Strasbourg, Translational Medicine Federation of Strasbourg (FMTS), CRBS, Team 3072 "Mitochondria, Oxidative Stress and Muscle Protection", 1 rue Eugène Boeckel, CS 60026, 67084, Strasbourg, France
| | - Thibaut Goetsch
- Department of Public Health, University Hospital of Strasbourg, Strasbourg, France
| | - Aissam Labani
- Radiology Department, Nouvel Hôpital Civil, University Hospital of Strasbourg, Strasbourg, France
| | - Léo Meyer
- Radiology Department, Nouvel Hôpital Civil, University Hospital of Strasbourg, Strasbourg, France
| | - Guillaume Martin
- Chest Diseases Department, Nouvel Hôpital Civil, University Hospital of Strasbourg, Strasbourg, France
| | - Romain Kessler
- Chest Diseases Department, Nouvel Hôpital Civil, University Hospital of Strasbourg, Strasbourg, France; INSERM-UNISTRA, UMR 1260 'Regenerative NanoMedicine', University of Strasbourg, 1 rue Eugène Boeckel, CS, 60026, 67084, Strasbourg, France
| | - David Montani
- University of Paris-Saclay, AP-HP, Chest Diseases Department, Hospital of Bicêtre, DMU 5 Thorinno, Inserm UMR_S999, Le Kremlin Bicêtre, France
| | - Marianne Riou
- Chest Diseases Department, Nouvel Hôpital Civil, University Hospital of Strasbourg, Strasbourg, France; Department of Physiology and Functional Exploration, Nouvel Hôpital Civil, University Hospital of Strasbourg, Strasbourg, France; University of Strasbourg, Translational Medicine Federation of Strasbourg (FMTS), CRBS, Team 3072 "Mitochondria, Oxidative Stress and Muscle Protection", 1 rue Eugène Boeckel, CS 60026, 67084, Strasbourg, France.
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Polman R, Hurst JR, Uysal OF, Mandal S, Linz D, Simons S. Cardiovascular disease and risk in COPD: a state of the art review. Expert Rev Cardiovasc Ther 2024; 22:177-191. [PMID: 38529639 DOI: 10.1080/14779072.2024.2333786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 03/19/2024] [Indexed: 03/27/2024]
Abstract
INTRODUCTION Chronic Obstructive Pulmonary Disease (COPD) and cardiovascular diseases (CVD) commonly co-exist. Outcomes of people living with both conditions are poor in terms of symptom burden, receiving evidence-based treatment and mortality. Increased understanding of the underlying mechanisms may help to identify treatments to relieve this disease burden. This narrative review covers the overlap of COPD and CVD with a focus on clinical presentation, mechanisms, and interventions. Literature up to December 2023 are cited. AREAS COVERED 1. What is COPD 2. The co-existence of COPD and cardiovascular disease 3. Mechanisms of cardiovascular disease in COPD. 4. Populations with COPD are at risk of CVD 5. Complexity in the co-diagnosis of COPD in those with cardiovascular disease. 6. Therapy for COPD and implications for cardiovascular events and risk. 7. Cardiovascular risk and exacerbations of COPD. 8. Pro-active identification and management of CV risk in COPD. EXPERT OPINION The prospective identification of co-morbid COPD in CVD patients and of CVD and CV risk in people with COPD is crucial for optimizing clinical outcomes. This includes the identification of novel treatment targets and the design of clinical trials specifically designed to reduce the cardiovascular burden and mortality associated with COPD. Databases searched: Pubmed, 2006-2023.
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Affiliation(s)
- Ricardo Polman
- Department of Respiratory Medicine, Maastricht UMC+, Maastricht, the Netherlands
| | - John R Hurst
- UCL Respiratory, University College London, London, UK
| | | | - Swapna Mandal
- UCL Respiratory, University College London, London, UK
| | - Dominik Linz
- Faculty of Health and Medical Sciences, Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
- Department of Cardiology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Centre, Maastricht, The Netherlands
- Centre for Heart Rhythm Disorders, South Australian Health and Medical Research Institute, Royal Adelaide Hospital, University of Adelaide, Adelaide, Australia
| | - Sami Simons
- Department of Respiratory Medicine, Maastricht UMC+, Maastricht, the Netherlands
- Department of Respiratory Medicine, Research Institute of Nutrition and Translational Research in Metabolism (NUTRIM), Maastricht University, Maastricht, the Netherlands
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Song B, Li H, Zhang H, Jiao L, Wu S. Impact of electronic cigarette usage on the onset of respiratory symptoms and COPD among Chinese adults. Sci Rep 2024; 14:5598. [PMID: 38454045 PMCID: PMC10920732 DOI: 10.1038/s41598-024-56368-9] [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: 11/28/2023] [Accepted: 03/05/2024] [Indexed: 03/09/2024] Open
Abstract
The prevalence of dual usage and the relatively low cessation rate among e-cigarette (EC) users suggest that ECs have not demonstrated significant effectiveness as a smoking cessation tool. Furthermore, there has been a substantial increase in the prevalence of EC usage in recent years. Therefore, the objective of this study is to investigate the association between EC use and the incidence of respiratory symptoms and chronic obstructive pulmonary disease (COPD). A total of 10,326 participants aged between 20 and 55 years, without any respiratory diseases or COPD, were recruited for the study. These individuals attended employee physical examinations conducted at 16 public hospitals in Hebei province, China from 2015 to 2020. Logistic regression models were utilized to assess the association between EC use and the risk of respiratory symptoms and COPD using risk ratios along with their corresponding 95% confidence intervals. Restricted cubic spline functions were employed to investigate the dose-response non-linear relationship. The robustness of the logistic regression models was evaluated through subgroup analyses, and sensitivity analyses. During the 5-year follow-up period, a total of 1071 incident cases of respiratory symptoms and 146 incident cases of COPD were identified in this cohort study. After adjusting for relevant confounding factors, EC users demonstrated a respective increase in the risk of reporting respiratory symptoms and COPD by 28% and 8%. Furthermore, dual users who used both ECs and combustible cigarettes exhibited an elevated risk of incident respiratory symptoms and COPD by 41% and 18%, respectively, compared to those who had never used non-users of any cigarette products. The association between daily EC consumption and the development of respiratory symptoms, as well as COPD, demonstrated a significant J-shaped pattern. The potential adverse association between the consumption of ECs, particularly when used in combination with combustible cigarettes, and the development of respiratory symptoms and COPD necessitates careful consideration. Policymakers should approach ECs cautiously as a prospective smoking cessation tool.
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Affiliation(s)
- Beibei Song
- The First Department of Pulmonary and Critical Care Medicine, The Second Hospital of Hebei Medical University/Hebei Key Laboratory of Respiratory Critical Care/Hebei Institute of Respiratory Diseases, No. 215 Heping West Road, Shijiazhuang, 050000, China
| | - Honglin Li
- The First Department of Pulmonary and Critical Care Medicine, The Second Hospital of Hebei Medical University/Hebei Key Laboratory of Respiratory Critical Care/Hebei Institute of Respiratory Diseases, No. 215 Heping West Road, Shijiazhuang, 050000, China
| | - Huiran Zhang
- Department of Biological Pharmacy, Hebei Medical University, Shijiazhuang, 050000, China
| | - Libin Jiao
- Hebei Far East Communication System Engineering Company, Shijiazhuang, 050000, China
| | - Siyu Wu
- The Third Department of Respiratory and Critical Care Medicine, the Second Hospital of Hebei Medical University, Shijiazhuang, 050000, China.
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Kitahara K, Omura J, Wada S, Kim SW. Patient and Therapeutic Profiles of Pulmonary Hypertension in Chronic Lung Diseases in Japan: A Cohort Study Using a Claims Database. Pulm Ther 2024; 10:21-49. [PMID: 37950789 PMCID: PMC10881911 DOI: 10.1007/s41030-023-00243-x] [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: 09/25/2023] [Accepted: 10/30/2023] [Indexed: 11/13/2023] Open
Abstract
INTRODUCTION Pulmonary hypertension (PH) is often complicated by chronic lung diseases (CLDs) such as chronic obstructive pulmonary disease (COPD) and interstitial lung disease (ILD). Differentiating between PH associated with CLD (group 3 PH) and pulmonary arterial hypertension (PAH) in CLD is often difficult and reporting on the efficacy of PAH-specific therapies is inconsistent as a result of the lack of understanding of the heterogeneity of patients with PH. METHODS A retrospective observational cohort study was conducted to understand the baseline characteristics, comorbidities, and treatment profiles of patients with PH in CLD in a real-world setting using a large-scale claims database (Medical Data Vision). Administrative and clinical data for patients admitted to acute-care hospitals in Japan between April 2008 and January 2021 were analyzed. RESULTS A total of 115,921 patients with CLD (109,578 with COPD and 6343 with ILD, of whom 569 and 176 had PH, respectively) were analyzed. This study found lower PH diagnosis rates among patients with COPD and patients with ILD than in previous studies. The majority of PH with CLD patients were elderly (mean age 75.7 years) and male (80.81%). Among patients with CLD prescribed PAH-specific therapies (105 patients with COPD; 64 patients with ILD), most received these as monotherapy (COPD, 84.76%; ILD, 75.56%); the most common were phosphodiesterase 5 inhibitors (COPD, 42.70%; ILD, 18.37%), prostacyclins (oral; COPD, 48.31%; ILD, 24.49%), and endothelin receptor antagonists (ERA) (COPD, 8.99%; ILD, 18.37%). Comorbidities (e.g., pulmonary, cardiac, kidney), home oxygen therapy (HOT), and echocardiography (ECHO) were factors associated with the diagnosis of PH. CONCLUSION This is the first study using an administrative database that provides real-world data on patients with PH in CLD in Japan. Our results indicate that PH may be misdiagnosed or underdiagnosed in Japan which may lead to suboptimal treatment for patients, and supports the need for further evidence to guide appropriate treatment.
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Affiliation(s)
- Kazuki Kitahara
- Medical Affairs, Janssen Pharmaceutical K.K., 3-5-2 Nishikanda, Chiyoda-ku, Tokyo, 101-0065, Japan.
| | - Junichi Omura
- Medical Affairs, Janssen Pharmaceutical K.K., 3-5-2 Nishikanda, Chiyoda-ku, Tokyo, 101-0065, Japan
| | - Shingo Wada
- Real World Evidence Solutions, IQVIA Solutions Japan K.K., 4-10-18 Takanawa, Minato-ku, Tokyo, 108-0074, Japan
| | - Seok-Won Kim
- Real World Evidence Solutions, IQVIA Solutions Japan K.K., 4-10-18 Takanawa, Minato-ku, Tokyo, 108-0074, Japan
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Maeda T, Dransfield MT. Chronic obstructive pulmonary disease and cardiovascular disease: mechanistic links and implications for practice. Curr Opin Pulm Med 2024; 30:141-149. [PMID: 38085609 PMCID: PMC10948016 DOI: 10.1097/mcp.0000000000001040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2024]
Abstract
PURPOSE OF REVIEW Chronic obstructive pulmonary disease (COPD) and cardiovascular disease (CVD) are both significant burdens on the healthcare system and often coexist. Mechanistic links between the two conditions and their clinical impact are increasingly understood. RECENT FINDINGS Recent studies demonstrate multiple mechanisms by which the pathobiology of COPD may have negative effects on the cardiovascular system. These include extrapulmonary consequences of the COPD inflammatory state, cardiac autonomic dysfunction, which has been recently implicated in worsening respiratory symptoms and exacerbation risk, and mechanical effects of lung hyperinflation on left ventricular diastolic function.Clinical studies have consistently shown a high prevalence of CVD in COPD patients and worsened outcomes (and vice versa ). Exacerbations of COPD have also been demonstrated to dramatically increase the risk of cardiovascular events. While some safety concerns exist, medications for COPD and cardiovascular disease should be used in accordance with respective guidelines. However, real-world data show suboptimal management for patients with COPD and CVD. SUMMARY COPD and cardiovascular disease have complicated interrelationships. Further mechanistic studies may lead to defining better targets for interventions. Education for medical professionals and implementation of novel screening protocols should be encouraged to fill in the gaps in clinical care for these patients.
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Affiliation(s)
- Tetsuro Maeda
- Division of Pulmonary, Allergy and Critical Care Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
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van Heerden JK, Louw EH, Thienemann F, Engel ME, Allwood BW. The prevalence of pulmonary hypertension in post-tuberculosis and active tuberculosis populations: a systematic review and meta-analysis. Eur Respir Rev 2024; 33:230154. [PMID: 38232991 DOI: 10.1183/16000617.0154-2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Accepted: 11/23/2023] [Indexed: 01/19/2024] Open
Abstract
BACKGROUND The prevalence of tuberculosis (TB)-associated pulmonary hypertension (PH) has not previously been quantified, resulting in an underappreciated burden of disease. We aimed to estimate the prevalence of PH in post-TB and active TB populations. METHODS In this systematic review and meta-analysis, we searched PubMed/Medline, Cochrane Library, EBSCOhost, Scopus, African Journals Online and Google Scholar, with no language restriction, for available literature published after 1950. Eligible studies described adult participants (≥16 years), with documented evidence of active or prior TB, diagnosed with PH. Study quality was assessed using a risk of bias tool specifically developed for prevalence studies. Aggregate prevalence estimates with 95% confidence intervals were synthesised using a random-effects meta-analysis model, incorporating the Freeman-Tukey transformation. Subgroup analysis was conducted to ascertain prevalence estimates in specific patient populations. RESULTS We identified 1452 unique records, of which 34 met our inclusion criteria. 23 studies, with an acceptable risk of bias and where PH was diagnosed at right heart catheterisation or echocardiography, were included in the meta-analysis. In post-TB studies (14/23), the prevalence of PH was 67.0% (95% CI 50.8-81.4) in patients with chronic respiratory failure, 42.4% (95% CI 31.3-54.0) in hospitalised or symptomatic patients and 6.3% (95% CI 2.3-11.8) in nonhealthcare-seeking outpatients (I2=96%). There was a lower estimated prevalence of PH in studies of populations with active TB (9.4%, 95% CI 6.3-13.0), I2=84%). CONCLUSION Our results highlight the significant burden of PH in post-TB and active TB populations. We emphasise the need for increased recognition of TB-associated PH and additional high-quality prevalence data.
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Affiliation(s)
- Jennifer K van Heerden
- Wellcome Centre for Infectious Diseases Research in Africa, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
| | - Elizabeth H Louw
- Division of Pulmonology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University and Tygerberg Hospital, Cape Town, South Africa
| | - Friedrich Thienemann
- General Medicine and Global Health, Department of Medicine, and Cape Heart Institute, Faculty of Health Sciences, University of Cape Town and Groote Schuur Hospital, Cape Town, South Africa
- Department of Internal Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Mark E Engel
- Department of Medicine, and Cape Heart Institute, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
- South African Medical Research Council, Cape Town, South Africa
| | - Brian W Allwood
- Division of Pulmonology, Department of Medicine, Faculty of Medicine and Health Sciences, Stellenbosch University and Tygerberg Hospital, Cape Town, South Africa
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12
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Ley L, Grimminger F, Richter M, Tello K, Ghofrani A, Bandorski D. The Early Detection of Pulmonary Hypertension. DEUTSCHES ARZTEBLATT INTERNATIONAL 2023; 120:823-830. [PMID: 37882345 PMCID: PMC10853922 DOI: 10.3238/arztebl.m2023.0222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 09/26/2023] [Accepted: 09/26/2023] [Indexed: 10/27/2023]
Abstract
BACKGROUND Up to 1% of the world population and 10% of all persons over age 65 suffer from pulmonary hypertension (PH). The latency from the first symptom to the diagnosis is more than one year on average, and more than three years in 20% of patients. 40% seek help from more than four different physicians until their condition is finally diagnosed. METHODS This review is based on publications retrieved by a selective literature search on pulmonary hypertension. RESULTS The most common causes of pulmonary hypertension are left heart diseases and lung diseases. Its cardinal symptom is exertional dyspnea that worsens as the disease progresses. Additional symptoms of right heart failure are seen in advanced stages. Pulmonary arterial hypertension (PAH) and chronic thromboembolic pulmonary hypertension (CTEPH) are rare, difficult to diagnose, and of particular clinical relevance because specific treatments are available. For this reason, strategies for the early detection of PAH and CTEPH have been developed. The clinical suspicion of PH arises in a patient who has nonspecific symptoms, electrocardiographic changes, and an abnormal (NT-pro-)BNP concentration. Once the suspicion of PH has been confirmed by echocardiography and, if necessary, differential-diagnostic evaluation with a cardiopulmonary stress test, and after the exclusion of a primary left heart disease or lung disease, the patient should be referred to a PH center for further diagnostic assessment, classification, and treatment. CONCLUSION If both the (NT-pro-)BNP and the ECG are normal, PH is unlikely. Knowledge of the characteristic clinical manifestations and test results of PH is needed so that patients can be properly selected for referral to specialists and experts in PH.
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Affiliation(s)
- Lukas Ley
- Justus-Liebig-University Gießen, Campus Kerckhoff, Bad Nauheim
| | | | | | | | | | - Dirk Bandorski
- Semmelweis University, Department of Medicine, 20099 Hamburg
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13
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Simmons Beck R, Liang OD, Klinger JR. Light at the ENDothelium-role of Sox17 and Runx1 in endothelial dysfunction and pulmonary arterial hypertension. Front Cardiovasc Med 2023; 10:1274033. [PMID: 38028440 PMCID: PMC10656768 DOI: 10.3389/fcvm.2023.1274033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 10/11/2023] [Indexed: 12/01/2023] Open
Abstract
Pulmonary arterial hypertension (PAH) is a progressive disease that is characterized by an obliterative vasculopathy of the distal pulmonary circulation. Despite significant progress in our understanding of the pathophysiology, currently approved medical therapies for PAH act primarily as pulmonary vasodilators and fail to address the underlying processes that lead to the development and progression of the disease. Endothelial dysregulation in response to stress, injury or physiologic stimuli followed by perivascular infiltration of immune cells plays a prominent role in the pulmonary vascular remodeling of PAH. Over the last few decades, our understanding of endothelial cell dysregulation has evolved and brought to light a number of transcription factors that play important roles in vascular homeostasis and angiogenesis. In this review, we examine two such factors, SOX17 and one of its downstream targets, RUNX1 and the emerging data that implicate their roles in the pathogenesis of PAH. We review their discovery and discuss their function in angiogenesis and lung vascular development including their roles in endothelial to hematopoietic transition (EHT) and their ability to drive progenitor stem cells toward an endothelial or myeloid fate. We also summarize the data from studies that link mutations in Sox17 with an increased risk of developing PAH and studies that implicate Sox17 and Runx1 in the pathogenesis of PAH. Finally, we review the results of recent studies from our lab demonstrating the efficacy of preventing and reversing pulmonary hypertension in animal models of PAH by deleting RUNX1 expression in endothelial or myeloid cells or by the use of RUNX1 inhibitors. By investigating PAH through the lens of SOX17 and RUNX1 we hope to shed light on the role of these transcription factors in vascular homeostasis and endothelial dysregulation, their contribution to pulmonary vascular remodeling in PAH, and their potential as novel therapeutic targets for treating this devastating disease.
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Affiliation(s)
- Robert Simmons Beck
- Division of Pulmonary, Sleep and Critical Care Medicine, Rhode Island Hospital and the Alpert Medical School of Brown University, Providence, RI, United States
| | - Olin D. Liang
- Division of Hematology/Oncology, Rhode Island Hospital and the Alpert Medical School of Brown University, Providence, RI, United States
| | - James R. Klinger
- Division of Pulmonary, Sleep and Critical Care Medicine, Rhode Island Hospital and the Alpert Medical School of Brown University, Providence, RI, United States
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14
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Klinger JR, Wu B, Morland K, Classi P, Fiano R, Grabich S. Burden of pulmonary hypertension due to chronic obstructive pulmonary disease: Analysis of exacerbations and healthcare resource utilization in the United States. Respir Med 2023; 219:107412. [PMID: 37729954 DOI: 10.1016/j.rmed.2023.107412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 08/28/2023] [Accepted: 09/13/2023] [Indexed: 09/22/2023]
Abstract
BACKGROUND The burden of pulmonary hypertension (PH) among patients with chronic obstructive pulmonary disease (COPD) is not well understood. The present retrospective cohort study aimed to quantify the clinical and economic burden of PH in patients with COPD. METHODS Adults with COPD were retrospectively identified in the Optum® Clinformatics® Data Mart between July 1, 2016 and June 30, 2021. Those diagnosed with PH were assigned to the PH-COPD cohort and those without a diagnosis of PH were assigned to the COPD cohort. Outcomes, including the number of visits for exacerbations and all-cause and COPD-related healthcare resource utilization (HCRU) and costs per patient per month (PPPM), were compared between cohorts. Baseline and study outcomes were analyzed descriptively. For significance testing, continuous variables were analyzed using Student's t-tests and categorical variables were analyzed using Chi-square tests. RESULTS A total of 1627 patients with PH-COPD were matched 1:1 to COPD patients without PH. A greater percentage of PH-COPD patients experienced COPD exacerbations vs. the COPD cohort (p < 0.001) and the PH-COPD cohort had more total (p < 0.001) and severe exacerbation-related visits PPPM (p < 0.001). All-cause and COPD-related HCRU PPPM estimates were higher among the PH-COPD cohort vs. the COPD cohort (p < 0.01). Total all-cause (p < 0.001) and COPD-related costs (p < 0.001) were higher among PH-COPD patients than COPD patients. CONCLUSIONS Patients with PH-COPD had higher rates of severe exacerbations, hospitalizations, and costs compared to COPD patients without PH, underscoring the need for targeted therapies to prevent and manage PH in patients with COPD.
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Affiliation(s)
- James R Klinger
- Alpert Medical School, Brown University, Providence, RI, USA; Division of Pulmonary, Sleep and Critical Care Medicine, Rhode Island Hospital, Providence, RI, USA.
| | - Benjamin Wu
- United Therapeutics, Research Triangle Park, NC, USA
| | | | - Peter Classi
- United Therapeutics, Research Triangle Park, NC, USA
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15
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Nemoto M, Koo CW, Scanlon PD, Ryu JH. Combined Pulmonary Fibrosis and Emphysema: A Narrative Review. Mayo Clin Proc 2023; 98:1685-1696. [PMID: 37923525 DOI: 10.1016/j.mayocp.2023.05.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 03/10/2023] [Accepted: 05/02/2023] [Indexed: 11/07/2023]
Abstract
Combined pulmonary fibrosis and emphysema (CPFE) syndrome refers to co-occurrence of two disease processes in the lung that can be difficult to diagnose but is associated with high morbidity and mortality burden. Diagnosis of CPFE is challenging because the two diseases can counterbalance respective impairments resulting in deceivingly normal-appearing chest radiography and spirometry in a dyspneic patient. Although an international committee published the terminology and definitions of CPFE in 2022, consensus on exact diagnostic criteria and optimal management strategy is yet to be determined. Herein, we provide a narrative review summarizing the literature on CPFE from 1990 to 2022, including historical background, epidemiology, pathogenesis, clinical features, imaging and pulmonary function findings, diagnosis, prognosis, complications, and treatment. Although CPFE was initially conceived as a variant presentation of idiopathic pulmonary fibrosis, it has been recognized to occur in patients with a wide variety of interstitial lung diseases, including connective tissue disease-associated interstitial lung diseases, and hypersensitivity pneumonitis. The affected patients have a heightened risk for pulmonary hypertension and lung cancer. Clinicians need to recognize the characteristic presenting features of CPFE along with prognostic implications of this entity.
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Affiliation(s)
- Masahiro Nemoto
- Department of Immunology, Graduate School of Medicine, Chiba University, Chiba, Japan; Department of Rheumatology, Teikyo University Chiba Medical Center, Ichihara, Japan
| | - Chi Wan Koo
- Department of Radiology, Mayo Clinic, Rochester, MN, USA
| | - Paul D Scanlon
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN, USA
| | - Jay H Ryu
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN, USA.
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16
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Olsson KM, Corte TJ, Kamp JC, Montani D, Nathan SD, Neubert L, Price LC, Kiely DG. Pulmonary hypertension associated with lung disease: new insights into pathomechanisms, diagnosis, and management. THE LANCET. RESPIRATORY MEDICINE 2023; 11:820-835. [PMID: 37591300 DOI: 10.1016/s2213-2600(23)00259-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 06/26/2023] [Accepted: 06/28/2023] [Indexed: 08/19/2023]
Abstract
Patients with chronic lung diseases, particularly interstitial lung disease and chronic obstructive pulmonary disease, frequently develop pulmonary hypertension, which results in clinical deterioration, worsening of oxygen uptake, and an increased mortality risk. Pulmonary hypertension can develop and progress independently from the underlying lung disease. The pulmonary vasculopathy is distinct from that of other forms of pulmonary hypertension, with vascular ablation due to loss of small pulmonary vessels being a key feature. Long-term tobacco exposure might contribute to this type of pulmonary vascular remodelling. The distinct pathomechanisms together with the underlying lung disease might explain why treatment options for this condition remain scarce. Most drugs approved for pulmonary arterial hypertension have shown no or sometimes harmful effects in pulmonary hypertension associated with lung disease. An exception is inhaled treprostinil, which improves exercise capacity in patients with interstitial lung disease and pulmonary hypertension. There is a pressing need for safe, effective treatment options and for reliable, non-invasive diagnostic tools to detect and characterise pulmonary hypertension in patients with chronic lung disease.
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Affiliation(s)
- Karen M Olsson
- Department of Respiratory Medicine and Infectious Diseases, Hannover Medical School, Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease Hanover (BREATH), German Center for Lung Research, Hannover, Germany.
| | - Tamera J Corte
- Department of Respiratory Medicine, Royal Prince Alfred Hospital and University of Sydney, Sydney, NSW, Australia
| | - Jan C Kamp
- Department of Respiratory Medicine and Infectious Diseases, Hannover Medical School, Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease Hanover (BREATH), German Center for Lung Research, Hannover, Germany
| | - David Montani
- Department of Respiratory and Intensive Care Medicine, Hôpital Bicêtre, Assistance Publique-Hôpitaux de Paris, INSERM Unité Mixte de Recherche 999, Université Paris-Saclay, Paris, France
| | - Steven D Nathan
- Advanced Lung Disease and Transplant Program, Inova Fairfax Hospital, Falls Church, VA, USA
| | - Lavinia Neubert
- Institute of Pathology, Hannover Medical School, Hannover, Germany; Biomedical Research in Endstage and Obstructive Lung Disease Hanover (BREATH), German Center for Lung Research, Hannover, Germany
| | - Laura C Price
- National Heart and Lung Institute, Imperial College London, London, UK; National Pulmonary Hypertension Service, Royal Brompton and Harefield Hospitals, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - David G Kiely
- Sheffield Pulmonary Vascular Disease Unit, Royal Hallamshire Hospital, Sheffield, UK; Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK; NIHR Biomedical Research Centre, Sheffield, UK
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17
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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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18
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Giuriato G, Paneroni M, Venturelli M, Layec G. Strategies targeting the NO pathway to counteract extra-pulmonary manifestations of COPD: A systematic review and meta-analysis. Nitric Oxide 2022; 128:59-71. [PMID: 35977691 DOI: 10.1016/j.niox.2022.08.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 07/01/2022] [Accepted: 08/10/2022] [Indexed: 10/31/2022]
Abstract
The clinical symptoms of chronic obstructive pulmonary disease (COPD) disease are accompanied by severely debilitating extra-pulmonary manifestations, including vascular dysfunction and hypertension. This systematic review evaluated the current evidence for several therapeutic interventions, targeting the nitric oxide (NO) pathway on hemodynamics and, secondarily, exercise capacity in patients with COPD. A comprehensive search on COPD and NO donors was performed on online databases. Of 934 initially found manuscripts, 27 were included in the review, and 16 in the meta-analysis. The analysis indicated inconsistent effects of dietary nitrate supplementation on exercise tolerance in COPD patients. Dietary nitrate supplementation decreased systolic (-3.7 ± 4.3 mmHg; p = 0.10) and diastolic blood pressure (BP; -2.6 ± 3.2 mmHg; p = 0.05) compared with placebo. When restricted to acute studies, a clinically relevant BP lowering effect of nitrate supplementation during diastole was observed (-4.7 ± 3.2 mmHg; n = 5; p = 0.05). In contrast, inhaled NO (iNO) at doses <20 ppm (+9.2 ± 11.3 mmHg) and 25-40 ppm (-5±2 mmHg) resulted in inconsistent effects on PaO2 (p = 0.48). Data on the effect of iNO on exercise capacity were too limited and inconsistent, but preliminary evidence suggests a possible benefit of iNO on pulmonary vascular resistance during exercise in severe COPD patients. Overall, the effects of acute dietary nitrate supplementation on BP may be of clinical relevance as an adjunct therapy and deserve further investigation in large sample size studies of COPD patients with and without cardiovascular comorbidities. iNO exerted inconsistent physiological effects, with the use of high doses posing safety risks.
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Affiliation(s)
- Gaia Giuriato
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Italy; Department of Kinesiology, University of Massachusetts Amherst, USA
| | - Mara Paneroni
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Italy; Istituti Clinici Scientifici Maugeri IRCCS, Respiratory Rehabilitation of the Institute of Lumezzane, Brescia, Italy
| | - Massimo Venturelli
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Italy; Department of Internal Medicine, University of Utah, USA
| | - Gwenael Layec
- Department of Kinesiology, University of Massachusetts Amherst, USA; Institute of Applied Life Science, University of Massachusetts Amherst, USA.
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