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Aguirre-Franco C, Torres-Duque CA, Salazar G, Casas A, Jaramillo C, Gonzalez-Garcia M. Prevalence of pulmonary hypertension in COPD patients living at high altitude. Pulmonology 2024; 30:247-253. [PMID: 35151623 DOI: 10.1016/j.pulmoe.2021.12.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 12/20/2021] [Accepted: 12/22/2021] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Pulmonary hypertension (PH) is associated with poor prognosis for patients with chronic obstructive pulmonary disease (COPD). Most of the knowledge about PH in COPD has been generated at sea level, with limited information associated with high altitude (HA). OBJECTIVES To assess the prevalence and severity of PH in COPD patients living in a HA city (2,640 m). METHODS Cross-sectional study in COPD patients with forced expiratory volume in the first second / forced vital capacity ratio (FEV1/FVC) post-bronchodilator <0,7. Transthoracic echocardiography (TTE), spirometry, carbon monoxide diffusing capacity, and arterial blood gasses tests were performed. Patients were classified according to the severity of airflow limitation. PH was defined by TTE as an estimated systolic pulmonary artery pressure (sPAP) > 36 mmHg or indirect PH signs; severe PH as sPAP > 60 mmHg; and disproportionate PH as an sPAP > 60 mmHg with non-severe airflow limitation (FEV1 > 50% predicted). RESULTS We included 176 COPD patients. The overall estimated prevalence of PH was 56.3% and the likelihood of having PH increased according to airflow-limitation severity: mild (31.6%), moderate (54.9%), severe (59.6%) and very severe (77.8%) (p = 0.038). The PH was severe in 7.3% and disproportionate in 3.4% of patients. CONCLUSIONS The estimated prevalence of PH in patients with COPD at HA is high, particularly in patients with mild to moderate airflow limitation, and greater than that described for COPD patients at low altitude. These results suggest a higher risk of developing PH for COPD patients living at HA compared to COPD patients with similar airflow limitation living at low altitude.
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Affiliation(s)
- C Aguirre-Franco
- Fundación Neumológica Colombiana. Bogotá, Colombia; Universidad de La Sabana. Chía, Colombia.
| | - C A Torres-Duque
- Fundación Neumológica Colombiana. Bogotá, Colombia; Universidad de La Sabana. Chía, Colombia
| | - G Salazar
- Fundación Cardioinfantil - Instituto de Cardiología. Bogotá, Colombia
| | - A Casas
- Fundación Neumológica Colombiana. Bogotá, Colombia; Universidad de La Sabana. Chía, Colombia
| | - C Jaramillo
- Universidad de La Sabana. Chía, Colombia; Fundación Clínica Shaio. Bogotá, Colombia
| | - M Gonzalez-Garcia
- Fundación Neumológica Colombiana. Bogotá, Colombia; Universidad de La Sabana. Chía, Colombia
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A Phase-2 Exploratory Randomized Controlled Trial of INOpulse in Patients with Fibrotic Interstitial Lung Disease Requiring Oxygen. Ann Am Thorac Soc 2021; 19:594-602. [PMID: 34678128 DOI: 10.1513/annalsats.202107-864oc] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
RATIONALE Patients with fibrotic interstitial lung disease often progress to the point of requiring supplemental oxygen. This is invariably accompanied by an impaired quality of life and limitations on activities of daily living. OBJECTIVE This study aimed to assess the improvement in physical activity in patients with interstitial lung disease requiring supplemental oxygen treated with pulsed inhaled nitric oxide (iNO) via INOpulse. Additionally, it sought to explore the safety and clinical benefits of INOpulse on multiple patient reported outcomes. METHODS Ambulatory fibrotic lung disease patients on supplemental oxygen were randomized in a 2:1 ratio to iNO at 45 µg/kg ideal body weight (IBW)/hr (iNO45) or placebo for four months (3 months post-baseline) of blinded treatment. The study assessed multiple exploratory efficacy endpoints including moderate-to vigorous physical activity (MVPA) as measured by actigraphy and patient reported outcomes using the UCSD Shortness of Breath Questionnaire (UCSD SOBQ) and the St. George's Respiratory Questionnaire (SGRQ). RESULTS 44 patients (30 iNO45, 14 placebo) were enrolled. A placebo-corrected clinical benefit of 12.3-minutes per day increase in MVPA was observed in the iNO45 group. Clinically meaningful beneficial trends were observed for the UCSD SOBQ (6.05 points) and the SGRQ Total (3.75) scores, as well as the SGRQ activity (5.84), and SGRQ Impact (6.30) domains. CONCLUSIONS INOpulse was well tolerated and associated with maintenance of physical activity and improved symptomatology in patients with interstitial lung disease who require supplemental oxygen. Further validation of this beneficial effect warrants further study in a phase 3 trial that is currently underway. Clinical Trial Registration with ClinicalTrials.gov: NCT03267108 Primary Source of Funding: Bellerophon Therapeutics.
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Tea I, Hussain I. Under Pressure: Right Heart Catheterization and Provocative Testing for Diagnosing Pulmonary Hypertension. Methodist Debakey Cardiovasc J 2021; 17:92-100. [PMID: 34326928 PMCID: PMC8298122 DOI: 10.14797/afui4711] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/07/2021] [Indexed: 11/09/2022] Open
Abstract
Pulmonary hypertension (PH) is a heterogenous disorder involving multiple
pathophysiological processes that ultimately affect the vasculature within the
lungs. Right heart catheterization (RHC) continues to be the benchmark for
diagnosing PH. The use of provocation techniques during RHC can help
sub-characterize the type of PH and thus assist in developing appropriate
treatment strategies for the management of each PH subtype. This review examines
proven and novel approaches for evaluating the pulmonary vasculature during RHC
and aspires to provide an accurate, clinically relevant framework for using RHC
to diagnose and manage PH. Further improvement in standardized protocols will
help optimize the application of RHC in patients with PH.
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Affiliation(s)
- Isaac Tea
- Houston Methodist DeBakey Heart & Vascular Center, Houston Methodist Hospital, Houston, Texas, USA
| | - Imad Hussain
- Houston Methodist DeBakey Heart & Vascular Center, Houston Methodist Hospital, Houston, Texas, USA
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Hekimsoy V, Kılınç Hekimsoy H, Şekeroğlu MA, Kaya EB, Tokgözoğlu L. The relationship between retinal microcirculation and right heart catheterization and echocardiography findings in patients with idiopathic pulmonary arterial hypertension. Microcirculation 2021; 28:e12704. [PMID: 33971060 DOI: 10.1111/micc.12704] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 03/20/2021] [Accepted: 05/02/2021] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To determine the possible alterations of retinal microcirculation associated with right-sided intracardiac pressures in patients with IPAH. METHODS Twenty patients with IPAH and 20 age- and sex-matched healthy controls were included in the study. Hemodynamic data were obtained from the most recent right heart catheterization. Echocardiographic examination was performed within 24 h of ophthalmological examination. For the right eyes of all participants, high-resolution scans of chorioretinal microvascular networks at different depths of the retina were captured via OCT angiography. RESULTS The perfusion of the superficial and deep capillary plexus (SCP and DCP), and choriocapillaris (CCP) flow area were significantly lower than those in healthy control subjects (p < .05 for all). In IPAH group, PVR and mPAP were correlated significantly with the perfusion measurements at SCP and DCP (r = .461, r = .626 and r = .625, r =0.730, respectively, p < .05). sPAP and TRV were positively correlated with the perfusion measurements at SCP and DCP (r = .600, r = .662 and r = .670, r = .655 p < .05). CONCLUSIONS The positive correlation of retinal perfusion at SCP and DCP with right-sided echocardiographic and hemodynamic measurements unveiled that retinal microcirculation is affected by the pressure alterations in the pulmonary circulation of IPAH patients.
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Affiliation(s)
- Vedat Hekimsoy
- Department of Cardiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Hilal Kılınç Hekimsoy
- Department of Ophthalmology, Ulucanlar Eye Training and Research Hospital, Ankara, Turkey
| | - Mehmet Ali Şekeroğlu
- Department of Ophthalmology, Ulucanlar Eye Training and Research Hospital, Ankara, Turkey
| | - Ergün Barış Kaya
- Department of Cardiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
| | - Lale Tokgözoğlu
- Department of Cardiology, Hacettepe University Faculty of Medicine, Ankara, Turkey
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5
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Sonaglioni A, Cassandro R, Luisi F, Ferrante D, Nicolosi GL, Lombardo M, Anzà C, Harari S. Correlation Between Doppler Echocardiography and Right Heart Catheterisation-Derived Systolic and Mean Pulmonary Artery Pressures: Determinants of Discrepancies Between the Two Methods. Heart Lung Circ 2020; 30:656-664. [PMID: 33223493 DOI: 10.1016/j.hlc.2020.10.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 08/27/2020] [Accepted: 10/06/2020] [Indexed: 01/28/2023]
Abstract
BACKGROUND There is still controversy about whether transthoracic echocardiography (TTE) can provide reliable estimations of pulmonary artery pressures (PAP). The primary endpoint of this study was to evaluate the correlation between TTE and right heart catheterisation (RHC) in estimating systolic (SPAP) and mean (MPAP) pulmonary artery pressures. METHODS Between January 2011 and December 2018, 141 consecutive patients (average age 63.6±11.5 years; 84 women) with suspected or confirmed pulmonary hypertension (PH) were enrolled into this retrospective observational monocentric study. All patients underwent TTE and, within 3 hours, RHC. The correlation between TTE and RHC in estimating both SPAP and MPAP was retrospectively determined. RESULTS Seventeen (17) of the patients were excluded due to insufficient TTE signal quality. Of the remaining 124 patients, 18 had no PH. There was moderate correlation between both SPAP and MPAP estimated by TTE and those assessed by RHC (r=0.65 and r=0.60, respectively). Bland-Altman analysis revealed a bias of -11.9 mmHg (with the 95% limits of agreement ranging -45.4 to +21.5 mmHg) for SPAP estimation and -4.6 mmHg (with the 95% limits of agreement ranging -27.9 to +18.8 mmHg) for MPAP estimation, suggesting a general overestimation of PAP by TTE. The main factors responsible for discrepancies between TTE and RHC were: female gender, arrhythmic cardiac electrical activity, systemic arterial hypertension, and diuretic treatment. CONCLUSIONS Transthoracic echocardiography frequently overestimated PAP in comparison with RHC, especially in hypertensive women with arrhythmias and under diuretic treatment.
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Affiliation(s)
- Andrea Sonaglioni
- Department of Cardiology, Ospedale San Giuseppe MultiMedica IRCCS, Milan, Italy
| | - Roberto Cassandro
- Department of Pneumology, Semi-Intensive Care Unit, Department of Respiratory Physiopathology and Pulmonary Hemodynamics, Ospedale San Giuseppe MultiMedica IRCCS, Milan, Italy.
| | - Francesca Luisi
- Department of Pneumology, Semi-Intensive Care Unit, Department of Respiratory Physiopathology and Pulmonary Hemodynamics, Ospedale San Giuseppe MultiMedica IRCCS, Milan, Italy
| | - Daniela Ferrante
- Unit of Medical Statistics and Epidemiology, CPO Piemonte and University 'Amedeo Avogadro' of Piemonte Orientale, Novara, Italy
| | | | - Michele Lombardo
- Department of Cardiology, Ospedale San Giuseppe MultiMedica IRCCS, Milan, Italy
| | - Claudio Anzà
- Cardiovascular Department, MultiMedica IRCCS, Sesto San Giovanni (MI), Italy
| | - Sergio Harari
- Department of Pneumology, Semi-Intensive Care Unit, Department of Respiratory Physiopathology and Pulmonary Hemodynamics, Ospedale San Giuseppe MultiMedica IRCCS, Milan, Italy; Department of Medical Sciences San Giuseppe Hospital MultiMedica IRCCS and Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
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Isolated Exercise-Induced Pulmonary Hypertension Associates with Higher Cardiovascular Risk in Scleroderma Patients. J Clin Med 2020; 9:jcm9061910. [PMID: 32570917 PMCID: PMC7357136 DOI: 10.3390/jcm9061910] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 06/16/2020] [Accepted: 06/16/2020] [Indexed: 01/31/2023] Open
Abstract
Background and Aim: Isolated exercise-induced pulmonary hypertension (ExPH) associates with cardiovascular (CV) events in patients with left heart disease. We investigated its prognostic significance in scleroderma patients at risk for pulmonary arterial hypertension (PAH). Methods: In 26 consecutive scleroderma female patients with either low (n = 13) or intermediate probability (n = 13) of pulmonary hypertension (PH) at rest, we evaluated, both at time 0 and 1 year, prognostic determinants of CV risk: onset or progression of heart failure/syncope; worsening of functional class; functional performance at the 6-minute walking test and at cardiopulmonary exercise test; right atrial area; and pericardial effusion. We assigned a severity score 1–3 to each prognostic determinant, derived an overall CV risk score, and its 0–1 year change. Isolated ExPH during the cardiopulmonary exercise test (CPET) was defined as absence of PH at rest, reduced peak VO2, VE/VCO2 >30 at anaerobic threshold, reduced O2 pulse, and ΔVO2/ΔW <9 mL/min/W. We then correlated ExPH at time 0 with clinical worsening (risk score increase >20% after 1 year). Results: ExPH was strongly associated with clinical worsening compared to patients without ExPH (p = 0.005). In patients without ExPH, none had > 20% increased CV risk score after 1 year. Conversely, about 50% of patients with ExPH had such an increase, suggesting a worsening of prognosis. Conclusions: Isolated ExPH associates with higher cardiovascular risk and thus clinical worsening in scleroderma patients. The assessment of ExPH by CPET can thus contribute to a better risk stratification and the planning of a more adequate follow-up.
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Eichstaedt CA, Benjamin N, Grünig E. Genetics of pulmonary hypertension and high-altitude pulmonary edema. J Appl Physiol (1985) 2020; 128:1432-1438. [PMID: 32324476 DOI: 10.1152/japplphysiol.00113.2020] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Heritable pulmonary arterial hypertension (PAH) is an autosomal dominantly inherited disease caused by mutations in the bone morphogenetic protein receptor 2 (BMPR2) gene and/or genes of its signaling pathway in ~85% of patients. A genetic predisposition to high-altitude pulmonary edema (HAPE) has long been suspected because of familial HAPE cases, but very few possibly disease-causing mutations have been identified to date. This minireview provides an overview of genetic analyses investigating common polymorphisms in HAPE-susceptible patients and the directed identification of disease-causing mutations in PAH patients. Increased pulmonary artery pressure is highlighted as an overlapping clinical feature of the two diseases. Moreover, studies showing increased pulmonary artery pressures in HAPE-susceptible patients during exercise or hypoxia as well as in healthy BMPR2 mutation carriers are illustrated. Finally, high-altitude pulmonary hypertension is introduced and future research perspectives outlined.
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Affiliation(s)
- Christina A Eichstaedt
- Centre for Pulmonary Hypertension, Thoraxklinik Heidelberg gGmbH at Heidelberg University Hospital, Heidelberg Germany.,Laboratory for Molecular Genetic Diagnostics, Institute of Human Genetics, Heidelberg University, Heidelberg, Germany.,Translational Lung Research Center Heidelberg (TLRC), Member of the German Center for Lung Research (DZL), Heidelberg, Germany
| | - Nicola Benjamin
- Centre for Pulmonary Hypertension, Thoraxklinik Heidelberg gGmbH at Heidelberg University Hospital, Heidelberg Germany.,Translational Lung Research Center Heidelberg (TLRC), Member of the German Center for Lung Research (DZL), Heidelberg, Germany
| | - Ekkehard Grünig
- Centre for Pulmonary Hypertension, Thoraxklinik Heidelberg gGmbH at Heidelberg University Hospital, Heidelberg Germany.,Translational Lung Research Center Heidelberg (TLRC), Member of the German Center for Lung Research (DZL), Heidelberg, Germany
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8
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Ujihira K, Kohmoto T, Gimelli G, Raval A, Jacobson K, Wolff M, Osaki S. The impact of increased pulmonary arterial pressure on outcomes after transcatheter aortic valve replacement. Catheter Cardiovasc Interv 2020; 96:E723-E734. [DOI: 10.1002/ccd.28862] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 02/27/2020] [Accepted: 03/15/2020] [Indexed: 12/13/2022]
Affiliation(s)
- Kosuke Ujihira
- Division of Cardiothoracic surgery, Department of Surgery University of Wisconsin School of Medicine and Public Health Madison Wisconsin USA
| | - Takushi Kohmoto
- Division of Cardiothoracic surgery, Department of Surgery University of Wisconsin School of Medicine and Public Health Madison Wisconsin USA
| | - Giorgio Gimelli
- Division of Cardiovascular medicine, Department of Medicine University of Wisconsin School of Medicine and Public Health Madison Wisconsin USA
| | - Amish Raval
- Division of Cardiovascular medicine, Department of Medicine University of Wisconsin School of Medicine and Public Health Madison Wisconsin USA
| | - Kurt Jacobson
- Division of Cardiovascular medicine, Department of Medicine University of Wisconsin School of Medicine and Public Health Madison Wisconsin USA
| | - Matthew Wolff
- Division of Cardiovascular medicine, Department of Medicine University of Wisconsin School of Medicine and Public Health Madison Wisconsin USA
| | - Satoru Osaki
- Division of Cardiothoracic surgery, Department of Surgery University of Wisconsin School of Medicine and Public Health Madison Wisconsin USA
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9
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Hewes JL, Lee JY, Fagan KA, Bauer NN. The changing face of pulmonary hypertension diagnosis: a historical perspective on the influence of diagnostics and biomarkers. Pulm Circ 2020; 10:2045894019892801. [PMID: 32110383 PMCID: PMC7000867 DOI: 10.1177/2045894019892801] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2019] [Accepted: 11/11/2019] [Indexed: 12/15/2022] Open
Abstract
Pulmonary hypertension is a complex, multifactorial disease that results in right
heart failure and premature death. Since the initial reports of pulmonary
hypertension in the late 1800s, the diagnosis of pulmonary hypertension has
evolved with respect to its definition, screening tools, and diagnostic
techniques. This historical perspective traces the earliest roots of pulmonary
hypertension detection and diagnosis through to the current recommendations for
classification. We highlight the diagnostic tools used in the past and present,
and end with a focus on the future directions of early detection. Early
detection of pulmonary hypertension and pulmonary arterial hypertension and the
proper determination of etiology are vital for the early therapeutic
intervention that can prolong life expectancy and improve quality of life. The
search for a non-invasive screening tool for the identification and
classification of pulmonary hypertension is ongoing, and we discuss the role of
animal models of the disease in this search.
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Affiliation(s)
- Jenny L Hewes
- Department of Pharmacology, College of Medicine, University of South Alabama, Mobile, AL, USA.,Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, AL, USA
| | - Ji Young Lee
- Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, AL, USA.,Division of Pulmonary and Critical Care Medicine, University Hospital, University of South Alabama, Mobile, AL, USA.,Department of Physiology and Cell Biology, College of Medicine, University of South Alabama, Mobile, AL, USA
| | - Karen A Fagan
- Department of Pharmacology, College of Medicine, University of South Alabama, Mobile, AL, USA.,Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, AL, USA.,Division of Pulmonary and Critical Care Medicine, University Hospital, University of South Alabama, Mobile, AL, USA
| | - Natalie N Bauer
- Department of Pharmacology, College of Medicine, University of South Alabama, Mobile, AL, USA.,Center for Lung Biology, College of Medicine, University of South Alabama, Mobile, AL, USA
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10
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Automatic Quantitative Computed Tomography Evaluation of the Lungs in Patients With Systemic Sclerosis Treated With Autologous Stem Cell Transplantation. J Clin Rheumatol 2019; 26:S158-S164. [PMID: 31868835 DOI: 10.1097/rhu.0000000000001242] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
BACKGROUND/OBJECTIVE Interstitial lung disease stands among the leading causes of death in systemic sclerosis (SSc) patients. Autologous hematopoietic stem cell transplantation (AHSCT) has been proven superior to conventional immunosuppressive therapy in severe and progressive SSc. Here, pulmonary quantitative measurements were obtained in high-resolution computed tomography (HRCT) scans of patients with SSc before and after AHSCT. METHODS The medical records of thirthy-three patients who underwent AHSCT between 2011 and 2017 were evaluated for clinical and tomographic features at baseline (pre-AHCST) and 18 months after the procedure. Quantitative analysis of HRCT images by a fully automated program calculated lung volumes, densities, attenuation percentiles, and vascular volume. Patients were divided into 2 groups, according to changes in forced vital capacity (FVC). The "best response" group included patients that had an increased FVC of 10% or greater, and the "stable response" group included those who had a decreased or an increased FVC of less than 10%. RESULTS In the best response group (15 patients), there was reduction (p < 0.05) of mean lung density and density percentile values after AHSCT. In the stable response group (18 patients), there were no significant changes in lung volumes and pulmonary densities after AHSCT. Pulmonary HRCT densities showed moderate/strong correlation with function. CONCLUSIONS Quantitative HRCT analysis identified significant reduction in pulmonary densities in patients with improved pulmonary function after AHSCT. Lung density, as evaluated by the quantitative HRCT analysis tool, has potential to become a biomarker in the evaluation of interstitial lung disease treatment in patients with SSc.
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11
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Usefulness of ventilatory gas analysis for the non-invasive evaluation of the severity of chronic thromboembolic pulmonary hypertension. Int J Cardiol 2019; 296:149-154. [DOI: 10.1016/j.ijcard.2019.07.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 05/28/2019] [Accepted: 07/05/2019] [Indexed: 01/01/2023]
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12
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Akizuki M, Sugimura K, Aoki T, Kakihana T, Tatebe S, Yamamoto S, Sato H, Satoh K, Shimokawa H, Kohzuki M. Non‐invasive screening using ventilatory gas analysis to distinguish between chronic thromboembolic pulmonary hypertension and pulmonary arterial hypertension. Respirology 2019; 25:427-434. [DOI: 10.1111/resp.13618] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 04/25/2019] [Accepted: 05/22/2019] [Indexed: 01/28/2023]
Affiliation(s)
- Mina Akizuki
- Department of Internal Medicine and Rehabilitation ScienceTohoku University Graduate School of Medicine Sendai Japan
| | - Koichiro Sugimura
- Department of Cardiovascular MedicineTohoku University Graduate School of Medicine Sendai Japan
| | - Tatsuo Aoki
- Department of Cardiovascular MedicineTohoku University Graduate School of Medicine Sendai Japan
| | - Takaaki Kakihana
- Department of Internal Medicine and Rehabilitation ScienceTohoku University Graduate School of Medicine Sendai Japan
| | - Shunsuke Tatebe
- Department of Cardiovascular MedicineTohoku University Graduate School of Medicine Sendai Japan
| | - Saori Yamamoto
- Department of Cardiovascular MedicineTohoku University Graduate School of Medicine Sendai Japan
| | - Haruka Sato
- Department of Cardiovascular MedicineTohoku University Graduate School of Medicine Sendai Japan
| | - Kimio Satoh
- Department of Cardiovascular MedicineTohoku University Graduate School of Medicine Sendai Japan
| | - Hiroaki Shimokawa
- Department of Cardiovascular MedicineTohoku University Graduate School of Medicine Sendai Japan
| | - Masahiro Kohzuki
- Department of Internal Medicine and Rehabilitation ScienceTohoku University Graduate School of Medicine Sendai Japan
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13
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Hur DJ, Sugeng L. Non-invasive Multimodality Cardiovascular Imaging of the Right Heart and Pulmonary Circulation in Pulmonary Hypertension. Front Cardiovasc Med 2019; 6:24. [PMID: 30931315 PMCID: PMC6427926 DOI: 10.3389/fcvm.2019.00024] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Accepted: 02/20/2019] [Indexed: 12/13/2022] Open
Abstract
Pulmonary hypertension (PH) is defined as resting mean pulmonary arterial pressure (mPAP) ≥25 millimeters of mercury (mmHg) via right heart (RH) catheterization (RHC), where increased afterload in the pulmonary arterial vasculature leads to alterations in RH structure and function. Mortality rates have remained high despite therapy, however non-invasive imaging holds the potential to expedite diagnosis and lead to earlier initiation of treatment, with the hope of improving prognosis. While historically the right ventricle (RV) had been considered a passive chamber with minimal role in the overall function of the heart, in recent years in the evaluation of PH and RH failure the anatomical and functional assessment of the RV has received increased attention regarding its performance and its relationship to other structures in the RH-pulmonary circulation. Today, the RV is the key determinant of patient survival. This review provides an overview and summary of non-invasive imaging methods to assess RV structure, function, flow, and tissue characterization in the setting of imaging's contribution to the diagnostic, severity stratification, prognostic risk, response of treatment management, and disease surveillance implications of PH's impact on RH dysfunction and clinical RH failure.
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Affiliation(s)
- David J Hur
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, CT, United States.,Division of Cardiology, Department of Medicine, Veterans Affairs Connecticut Healthcare System, West Haven, CT, United States
| | - Lissa Sugeng
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, CT, United States.,Echocardiography Laboratory, Yale New Haven Hospital, New Haven, CT, United States
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14
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Fischer L, Benjamin N, Blank N, Egenlauf B, Fischer C, Harutyunova S, Koegler M, Lorenz HM, Marra AM, Nagel C, Xanthouli P, Bossone E, Grünig E. Right heart size and function significantly correlate in patients with pulmonary arterial hypertension - a cross-sectional study. Respir Res 2018; 19:216. [PMID: 30409145 PMCID: PMC6225631 DOI: 10.1186/s12931-018-0913-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Accepted: 10/16/2018] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND The objective of this study was to assess, whether right atrial (RA) and ventricular (RV) size is related to RV pump function at rest and during exercise in patients with pulmonary arterial hypertension (PAH). METHODS We included 54 patients with invasively diagnosed PAH that had been stable on targeted medication. All patients underwent clinical assessments including right heart catheterization and echocardiography at rest and during exercise. RV output reserve was defined as increase of cardiac index (CI) from rest to peak exercise (∆CIexercise). Patients were classified according to the median of RA and RV-area. RV pump function and further clinical parameters were compared between groups by student's t-test. Uni- and multivariate Pearson correlation analyses were performed. RESULTS Patients with larger RA and/or RV-areas (above a median of 16 and 20cm2, respectively) showed significantly lower ∆CIexercise, higher mean pulmonary arterial pressure, pulmonary vascular resistance at rest and NT-proBNP levels. Furthermore, patients with higher RV-areas presented with a significantly lower RV stroke volume and pulmonary arterial compliance at peak exercise than patients with smaller RV-size. RV area was identified as the only independent predictor of RV output reserve. CONCLUSION RV and RA areas represent valuable and easily accessible indicators of RV pump function at rest and during exercise. Cardiac output reserve should be considered as an important clinical parameter. Prospective studies are needed for further evaluation.
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Affiliation(s)
- Lukas Fischer
- Centre for Pulmonary Hypertension, Thoraxklinik at Heidelberg University Hospital, Röntgenstrasse 1, D-69126, Heidelberg, Germany
| | - Nicola Benjamin
- Centre for Pulmonary Hypertension, Thoraxklinik at Heidelberg University Hospital, Röntgenstrasse 1, D-69126, Heidelberg, Germany.,Translational Lung Research Center Heidelberg (TLRC), Member of the German Center for Lung Research (DZL), Heidelberg, Germany
| | - Norbert Blank
- Department of Rheumatology, University Hospital Heidelberg, Heidelberg, Germany
| | - Benjamin Egenlauf
- Centre for Pulmonary Hypertension, Thoraxklinik at Heidelberg University Hospital, Röntgenstrasse 1, D-69126, Heidelberg, Germany.,Translational Lung Research Center Heidelberg (TLRC), Member of the German Center for Lung Research (DZL), Heidelberg, Germany
| | - Christine Fischer
- Institute of Human Genetics, University of Heidelberg, Heidelberg, Germany
| | - Satenik Harutyunova
- Centre for Pulmonary Hypertension, Thoraxklinik at Heidelberg University Hospital, Röntgenstrasse 1, D-69126, Heidelberg, Germany.,Translational Lung Research Center Heidelberg (TLRC), Member of the German Center for Lung Research (DZL), Heidelberg, Germany
| | - Maria Koegler
- Centre for Pulmonary Hypertension, Thoraxklinik at Heidelberg University Hospital, Röntgenstrasse 1, D-69126, Heidelberg, Germany
| | - Hanns-Martin Lorenz
- Department of Rheumatology, University Hospital Heidelberg, Heidelberg, Germany
| | - Alberto M Marra
- Centre for Pulmonary Hypertension, Thoraxklinik at Heidelberg University Hospital, Röntgenstrasse 1, D-69126, Heidelberg, Germany.,Translational Lung Research Center Heidelberg (TLRC), Member of the German Center for Lung Research (DZL), Heidelberg, Germany.,IRCCS SDN Research Institute, Naples, Italy
| | - Christian Nagel
- Centre for Pulmonary Hypertension, Thoraxklinik at Heidelberg University Hospital, Röntgenstrasse 1, D-69126, Heidelberg, Germany.,Translational Lung Research Center Heidelberg (TLRC), Member of the German Center for Lung Research (DZL), Heidelberg, Germany.,Lung Centre, Klinikum Mittelbaden, Baden-Baden Balg, Baden-Baden, Germany
| | - Panagiota Xanthouli
- Centre for Pulmonary Hypertension, Thoraxklinik at Heidelberg University Hospital, Röntgenstrasse 1, D-69126, Heidelberg, Germany.,Translational Lung Research Center Heidelberg (TLRC), Member of the German Center for Lung Research (DZL), Heidelberg, Germany
| | - Eduardo Bossone
- Heart Department, Cardiology Division, "Cava de' Tirreni and Amalfi Coast" Hospital, University of Salerno, Salerno, Italy
| | - Ekkehard Grünig
- Centre for Pulmonary Hypertension, Thoraxklinik at Heidelberg University Hospital, Röntgenstrasse 1, D-69126, Heidelberg, Germany. .,Translational Lung Research Center Heidelberg (TLRC), Member of the German Center for Lung Research (DZL), Heidelberg, Germany.
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15
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Desmosine and Isodesmosine as a Novel Biomarker for Pulmonary Arterial Hypertension: A Pilot Study. Am J Ther 2018; 24:e399-e404. [PMID: 26237301 DOI: 10.1097/mjt.0000000000000260] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Delayed diagnosis is common in patients with pulmonary arterial hypertension (PAH). Right-sided heart catheterization, the gold standard for diagnosis, is invasive and cannot be applied for routine screening. Some biomarkers have been looked into; however, due to the lack of a clear pathological mechanism linking the marker to PAH, the search for an ideal one is still ongoing. Elastin is a significant structural constituent of blood vessels. Its synthesis involves cross-linking of monomers by 2 amino acids, desmosine and isodesmosine (D&I). Being extremely stable, elastin undergoes little metabolic turnover in healthy individuals resulting in very low levels of D&I amino acids in the human plasma, urine, or sputum. We hypothesized that in PAH patients, the elastin turnover is high; which in turn should result in elevated levels of D&I in plasma and urine. Using mass spectrometry, plasma and urine levels of D&I were measured in 20 consecutive patients with PAH confirmed by cardiac catheterization. The levels were compared with 13 healthy controls. The mean level of total plasma D&I in patients with PAH was 0.47 ng/mL and in controls was 0.19 ng/mL (P = 0.001). The mean levels of total D&I in the urine of PAH patients was 20.55 mg/g creatinine and in controls was 12.78 mg/g creatinine (P = 0.005). The mean level of free D&I in the urine of PAH patients was 10.34 mg/g creatinine and in controls was 2.52 mg/g creatinine (P < 0.001). This is the first study highlighting that the serum and urine D&I has a potential to be a novel screening biomarker for patients with PAH. It paves the way for larger studies to analyze its role in assessing for disease severity and response to treatment.
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16
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Lamela Domenech AE, López-Candales A. Is the electrocardiogram still useful in detecting right ventricular abnormalities in patients with pulmonary hypertension when compared to echocardiography? THE CLINICAL RESPIRATORY JOURNAL 2018; 12:1300-1301. [PMID: 28052531 DOI: 10.1111/crj.12607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Accepted: 12/29/2016] [Indexed: 06/06/2023]
Affiliation(s)
| | - Angel López-Candales
- The Cardiovascular Medicine Division, University of Puerto Rico School of Medicine, San Juan, Puerto Rico
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17
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Evaluation of end-tidal CO2 pressure at the anaerobic threshold for detecting and assessing pulmonary hypertension. Heart Vessels 2017; 32:1350-1357. [DOI: 10.1007/s00380-017-0999-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Accepted: 05/26/2017] [Indexed: 11/25/2022]
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18
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Dumitrescu D, Nagel C, Kovacs G, Bollmann T, Halank M, Winkler J, Hellmich M, Grünig E, Olschewski H, Ewert R, Rosenkranz S. Cardiopulmonary exercise testing for detecting pulmonary arterial hypertension in systemic sclerosis. Heart 2017; 103:774-782. [PMID: 28062514 DOI: 10.1136/heartjnl-2016-309981] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Revised: 10/25/2016] [Accepted: 10/28/2016] [Indexed: 01/06/2023] Open
Abstract
OBJECTIVES Pulmonary arterial hypertension (PAH) is a devastating disease with limited survival and occurs as a frequent complication in patients with systemic sclerosis (SSc). A definite diagnosis of PAH is obtained by right heart catheterisation (RHC); however, the initial suspicion is raised by non-invasive methods. We assessed the diagnostic accuracy of key parameters derived from cardiopulmonary exercise testing (CPET) for detecting and ruling out SSc-associated PAH. METHODS In a multicentre setting, we prospectively evaluated 173 consecutive patients with SSc without known PAH, but with clinical suspicion of PAH. Each patient underwent CPET and RHC. RESULTS RHC identified PAH in 48 patients (27.8%), postcapillary pulmonary hypertension (PH) in 10 patients (5.8%) and ruled out PH in 115 patients (66.5%). CPET parameters correlated significantly with pulmonary haemodynamics. PeakVO2 and VE/VCO2 showed highest correlations with pulmonary arterial pressure, transpulmonary pressure gradient and pulmonary vascular resistance. Several parameters showed high sensitivity and specificity for PAH detection by receiver operating characteristic analysis. However, peakVO2 showed highest diagnostic accuracy (sensitivity 87.5%, specificity 74.8% at a threshold level of 13.8 mL/min/kg). A peakVO2 of >18.7 mL/kg/min was reached by 38/173 patients (22%) and excluded PAH in our cohort (negative predictive value 1.0). A nadir VE/VCO2 ratio of >45.5 showed a positive predictive value of 1.0. Diagnostic accuracy was highest in patients with low pulmonary arterial wedge pressure (<12 mm Hg). There were no study-related serious adverse events. CONCLUSIONS CPET is a safe and valuable method in the non-invasive detection of SSc-associated PAH. It may be particularly beneficial for reducing unnecessary RHC procedures.
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Affiliation(s)
- Daniel Dumitrescu
- Herzzentrum der Universität zu Köln, Klinik III für Innere Medizin, Cologne, Germany.,Cologne Cardiovascular Research Center (CCRC), University of Cologne, Germany
| | - Christian Nagel
- Center for Pulmonary Hypertension, Thoraxklinik Heidelberg, Heidelberg, Germany.,Lung Center, Klinikum Mittelbaden, Baden-Baden Balg, Baden-Baden, Germany
| | - Gabor Kovacs
- Division of Pulmonology, Department of Internal Medicine, Ludwig Boltzmann Institute for Lung Vascular Research, and Medical University of Graz, Graz, Austria
| | - Tom Bollmann
- Department of Internal Medicine B-Cardiology, Intensive Care, Pulmonary Medicine and Infectious Diseases, University of Greifswald, Greifswald, Germany
| | - Michael Halank
- Department of Internal Medicine I, Carl Gustav Carus University Hospital, Technical University of Dresden, Dresden, Germany
| | - Jörg Winkler
- Klinik für Innere Medizin I, University of Leipzig, Leipzig, Germany
| | - Martin Hellmich
- Universitätsklinikum Köln, Institut für Medizinische Statistik, Cologne, Germany
| | - Ekkehard Grünig
- Center for Pulmonary Hypertension, Thoraxklinik Heidelberg, Heidelberg, Germany
| | - Horst Olschewski
- Division of Pulmonology, Department of Internal Medicine, Ludwig Boltzmann Institute for Lung Vascular Research, and Medical University of Graz, Graz, Austria
| | - Ralf Ewert
- Department of Internal Medicine B-Cardiology, Intensive Care, Pulmonary Medicine and Infectious Diseases, University of Greifswald, Greifswald, Germany
| | - Stephan Rosenkranz
- Herzzentrum der Universität zu Köln, Klinik III für Innere Medizin, Cologne, Germany.,Cologne Cardiovascular Research Center (CCRC), University of Cologne, Germany
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19
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Pulmonary Hypertension: Scientometric Analysis and Density-Equalizing Mapping. PLoS One 2017; 12:e0169238. [PMID: 28052133 PMCID: PMC5215006 DOI: 10.1371/journal.pone.0169238] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2015] [Accepted: 12/12/2016] [Indexed: 12/12/2022] Open
Abstract
Pulmonary hypertension (PH) is characterized by the increase of the mean pulmonary arterial pressure in the lung circulation. Despite the large number of experimental and clinical studies conducted on pulmonary hypertension, there is no comprehensive work that analyzed the global research activity on PH so far. We retrieved the bibliometric data of the publications on pulmonary hypertension for two periods from the Web of science database. Here, we set the first investigation period from 1900 to 2007 (t1) due to the cited half life of articles and the relating difficulties to interpret the citation parameters. The second evaluation period (t2) covers the time interval from 2008 onwards including the year 2015. The data were analyzed and processed to density-equalizing maps using the NewQIS platform. A total number of 18,986 publications were identified in t1 that come from 85 countries. The US published the highest number of publications (n = 7,290), followed by the UK, Germany, Japan and France. In t2 19,676 items could be found worked out by 130 countries. The raking started just the same with the USA as most publishing nation with 7,127 publications on PH, followed by the UK and Germany. Japan fell back on 6th place, whereas China came into view on the 5th position. Analyzing the average citation rate as a parameter for research quality, Mexico reached the highest value in t1 and Ireland in t2. While, the country specific h-index underlined the leading position of the US research in both evaluation periods again. The average number of international collaboration items was expanding from none in 1978 to 530 items in 2015 with the USA as the country with the highest number of collaboration articles. The present study is the first large scale density-equalizing mapping and scientometric analysis of global PH research activity. Our data draw a sketch of the global research architecture in this field, indicating a need for specific research programs in countries with a lower human development index.
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20
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Zhao QH, Wang L, Pudasaini B, Jiang R, Yuan P, Gong SG, Guo J, Xiao Q, Liu H, Wu C, Jing ZC, Liu JM. Cardiopulmonary exercise testing improves diagnostic specificity in patients with echocardiography-suspected pulmonary hypertension. Clin Cardiol 2016; 40:95-101. [PMID: 28244596 DOI: 10.1002/clc.22635] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Revised: 09/02/2016] [Accepted: 09/19/2016] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Doppler echocardiography is usually the first diagnostic investigation for patients suspected with pulmonary hypertension (PH), but it is often inaccurate when used alone, especially in mild PH. HYPOTHESIS Cardiopulmonary exercise testing (CPET) may serve as a complementary tool to improve diagnostic accuracy in echocardiography-suspected "PH possible" patients. METHODS Eighty-eight consecutive patients with suspected PH (referred to as "PH possible" hereafter) based on echocardiography were included in the study. CPET was assessed subsequently and PH was confirmed by right-heart catheterization in all subjects. We analyzed CPET data from patients and derived a CPET prediction rule to hemodynamically differentiate PH. RESULTS Eighty-eight patients (27 patients with confirmed PH, and PH ruled out in 61 patients) were included in the study. Compared with non-PH patients, the PH subjects had lower peak oxygen uptake (VO2 ), aerobic capacity (AT), peak partial pressure of end-tidal CO2 (PET CO2 ), oxygen uptake efficiency plateau (OUEP), and oxygen uptake efficiency slope (OUES), along with higher minute ventilation (VE)/carbon dioxide output (VCO2 ) slope and lowest VE/VCO2 (P < 0.001). VE/VCO2 slope and AT were independent predictors of PH derived from multivariate logistic regression adjusted for age and body mass index. A score combining VE/VCO2 slope and AT reached a high area under the curve value of 0.98. A score ≥0.5 had 95% specificity and 92.6% sensitivity for diagnosis of PH. CONCLUSIONS A score combining VE/VCO2 slope and AT provides high specificity in screening out PH from a pool of echocardiography-suspected PH patients.
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Affiliation(s)
- Qin-Hua Zhao
- Department of Pulmonary Circulation, Shanghai Pulmonary Hospital, Tongji University, School of Medicine, Shanghai, China
| | - Lan Wang
- Department of Pulmonary Circulation, Shanghai Pulmonary Hospital, Tongji University, School of Medicine, Shanghai, China
| | - Bigyan Pudasaini
- Department of Pulmonary Circulation, Shanghai Pulmonary Hospital, Tongji University, School of Medicine, Shanghai, China
| | - Rong Jiang
- Department of Pulmonary Circulation, Shanghai Pulmonary Hospital, Tongji University, School of Medicine, Shanghai, China
| | - Ping Yuan
- Department of Pulmonary Circulation, Shanghai Pulmonary Hospital, Tongji University, School of Medicine, Shanghai, China
| | - Su-Gang Gong
- Department of Pulmonary Circulation, Shanghai Pulmonary Hospital, Tongji University, School of Medicine, Shanghai, China
| | - Jian Guo
- Department of Pulmonary Function, Shanghai Pulmonary Hospital, Tongji University, School of Medicine, Shanghai, China
| | - Qiang Xiao
- Department of Pulmonary Circulation, Shanghai Pulmonary Hospital, Tongji University, School of Medicine, Shanghai, China
| | - Hui Liu
- Department of Pulmonary Circulation, Shanghai Pulmonary Hospital, Tongji University, School of Medicine, Shanghai, China
| | - Cheng Wu
- Department of Statistics, the Second Military Medical University, Shanghai, China
| | - Zhi-Cheng Jing
- State Key Laboratory of Cardiovascular Disease, Fu Wai Hospital, Peking Union Medical College and Chinese Academy of Medical Science, Beijing, China
| | - Jin-Ming Liu
- Department of Pulmonary Circulation, Shanghai Pulmonary Hospital, Tongji University, School of Medicine, Shanghai, China.,Department of Pulmonary Function, Shanghai Pulmonary Hospital, Tongji University, School of Medicine, Shanghai, China
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21
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Identification of genetic defects in pulmonary arterial hypertension by a new gene panel diagnostic tool. Clin Sci (Lond) 2016; 130:2043-2052. [DOI: 10.1042/cs20160531] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Accepted: 09/09/2016] [Indexed: 11/17/2022]
Abstract
We developed a new candidate gene approach for pulmonary arterial hypertension based on a customized kit and new sequencing technologies. In this manner we identified mutations in routinely assessed genes and one additional gene in PAH patients.
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22
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D'Ascenzi F, Solari M, Anselmi F, Maffei S, Focardi M, Bonifazi M, Mondillo S, Henein M. Atrial chamber remodelling in healthy pre-adolescent athletes engaged in endurance sports: A study with a longitudinal design. The CHILD study. Int J Cardiol 2016; 223:325-330. [PMID: 27543703 DOI: 10.1016/j.ijcard.2016.08.231] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Revised: 07/17/2016] [Accepted: 08/12/2016] [Indexed: 12/20/2022]
Abstract
AIMS Previous studies investigated the exercise-induced adaptation of left (LA) and right atrium (RA) in adults, but little is known about respective changes in the growing heart of children. We aimed to longitudinally investigate the effects of endurance training on biatrial remodelling in preadolescent athletes. METHODS AND RESULTS Ninety-four children (57 endurance athletes, 37 sedentary controls; mean age 10.8±0.2 and 10.2±0.2years, respectively) were evaluated at baseline and after 5months by ECG and by two-dimensional, three-dimensional (3D) and speckle-tracking echocardiography. Athletes were trained at least 10h/week. The resting heart rate was lower in athletes (p=0.046) and decreased further after training (p<0.0001). Neither athletes nor controls had ECG evidence for LA or RA enlargement. At baseline, indexed LA volumes did not differ between groups (p=0.14) but indexed RA dimensions were larger in athletes (p=0.007). After 5months, indexed LA volumes increased in athletes but not in controls (p<0.0001, p=0.29; respectively) while indexed RA volumes increased in both groups (p<0.0001, p=0.018; respectively). At the same time, slight differences in biatrial reservoir and contractile function were found either in athletes, as demonstrated by speckle-tracking echocardiography, but 3D-derived LA and RA ejection fraction remained stable in both groups. CONCLUSION Endurance training influences the growing heart of preadolescent athletes with an additive increase in biatrial size, suggesting that morphological adaptations can occur also in the early phases of the sports career. Training-induced remodelling was associated with a preserved biatrial function, supporting the hypothesis of a physiological remodelling.
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Affiliation(s)
- Flavio D'Ascenzi
- Department of Medical Biotechnologies, Division of Cardiology, University of Siena, Siena, Italy.
| | - Marco Solari
- Department of Medical Biotechnologies, Division of Cardiology, University of Siena, Siena, Italy
| | - Francesca Anselmi
- Department of Medical Biotechnologies, Division of Cardiology, University of Siena, Siena, Italy
| | - Silvia Maffei
- Division of Cardiology, Department of Cardiac, Thoracic and Vascular Sciences, Santa Maria alle Scotte Hospital, Siena, Italy
| | - Marta Focardi
- Department of Medical Biotechnologies, Division of Cardiology, University of Siena, Siena, Italy
| | - Marco Bonifazi
- Department of Medicine, Surgery, and NeuroScience, University of Siena, Siena, Italy
| | - Sergio Mondillo
- Department of Medical Biotechnologies, Division of Cardiology, University of Siena, Siena, Italy
| | - Michael Henein
- Department of Public Health and Clinical Medicine, Umeå University, and Heart Centre, Umeå, Sweden
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23
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Abstract
PURPOSE OF REVIEW Pulmonary hypertension is a progressive disease of the pulmonary vasculature characterized by increased vascular resistance and pressure overload of the right ventricle. This review aims to describe the diagnostic and prognostic role of echocardiography in pulmonary hypertension with particular consideration of relative strengths, weaknesses and new advances. RECENT FINDINGS Although right heart catheterization (RHC) remains the gold standard, echocardiography represents an accessible and feasible real-world tool for screening, differential diagnostic, follow-up assessments and risk stratification in pulmonary hypertension. In the context of clinical scenario and multimaging approach, echocardiography provides accurate measurements of pulmonary haemodynamics, either at rest and/or during exercise, and is particularly useful in ruling out secondary causes of pulmonary hypertension and/or detecting preclinical stages. The use of advanced noninvasive imaging techniques may provide additional information in assessing right heart structure and function. SUMMARY Advances in echocardiography and the multimodality imaging approach continue to provide new understandings and opportunities for the study of the right heart-pulmonary circulation unit in pulmonary hypertension.
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24
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Doutreleau S, Canuet M, Enache I, Di Marco P, Lonsdorfer E, Oswald-Mammoser M, Charloux A. Right Heart Hemodynamics in Pulmonary Hypertension - An Echocardiography and Catheterization Study. Circ J 2016; 80:2019-25. [PMID: 27488283 DOI: 10.1253/circj.cj-16-0206] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND Echocardiography (ECHO) plays a key role in both the diagnosis and prognosis of pulmonary hypertension (PH). Many equations have been published to assess right heart hemodynamics using ECHO. The objective of this study was to test the accuracy and precision of different echocardiographic equations in comparison with the right heart catheterization. METHODS AND RESULTS Complete right heart hemodynamic assessments were prospectively obtained from 115 individuals (mean age 66±1 years; 57 males) who had known or suspected PH. Several equations were tested for the estimation of right atrial pressure, mean and systolic pulmonary artery pressure (MPAP), cardiac output, pulmonary capillary wedge pressure (PCWP), and pulmonary vascular resistance (PVR). The accuracy of ECHO was good, with a mean difference <2 mmHg for all of the pressure calculations and ±0.6 L/min for cardiac output. However, the PVR estimation was weak using any one of the formulae. For all the parameters, the precision of ECHO was moderate. The MPAP calculation detected PH with a sensibility of 97% and specificity of 83%. However, ECHO underdiagnosed post-capillary PH. CONCLUSIONS ECHO is a good method for the diagnosis of PH, with an adequate calculation of right pressures, but cannot accurately calculate PCWP and PVR. (Circ J 2016; 80: 2019-2025).
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25
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Waxman AB, Farber HW. Using Clinical Trial End Points to Risk Stratify Patients With Pulmonary Arterial Hypertension. Circulation 2016; 132:2152-61. [PMID: 26621638 DOI: 10.1161/circulationaha.114.012328] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Aaron B Waxman
- From Pulmonary and Critical Care Medicine, Center for Pulmonary Heart Disease (A.B.W.), Brigham and Women's Hospital Heart and Vascular Center, Harvard Medical School, Boston, MA (A.B.W.); and Pulmonary Hypertension Center, Boston Medical Center, Boston University School of Medicine, Boston, MA (H.W.F.).
| | - Harrison W Farber
- From Pulmonary and Critical Care Medicine, Center for Pulmonary Heart Disease (A.B.W.), Brigham and Women's Hospital Heart and Vascular Center, Harvard Medical School, Boston, MA (A.B.W.); and Pulmonary Hypertension Center, Boston Medical Center, Boston University School of Medicine, Boston, MA (H.W.F.)
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26
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Koestenberger M, Burmas A, Ravekes W, Avian A, Gamillscheg A, Grangl G, Grillitsch M, Hansmann G. Echocardiographic Reference Values for Right Atrial Size in Children with and without Atrial Septal Defects or Pulmonary Hypertension. Pediatr Cardiol 2016; 37:686-95. [PMID: 26706469 DOI: 10.1007/s00246-015-1332-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Accepted: 12/15/2015] [Indexed: 11/24/2022]
Abstract
Right atrial (RA) size may become a very useful, easily obtainable, echocardiographic variable in patients with congenital heart disease (CHD) with right-heart dysfunction; however, according studies in children are lacking. We investigated growth-related changes of RA dimensions in healthy children. Moreover, we determined the predictive value of RA variables in both children with secundum atrial septal defect (ASD) and children with pulmonary hypertension (PH) secondary to CHD (PH-CHD). This is a prospective study in 516 healthy children, in 80 children with a secundum ASD (>7 mm superior-inferior dimension), and in 42 children with PH-CHD. We determined three RA variables, i.e., end-systolic major-axis length, end-systolic minor-axis length, and end-systolic area, stratified by age, body weight, length, and surface area. RA end-systolic length and area z scores were increased in children with ASD and PH-CHD when compared to those variables in the healthy control population. Using the Youden Index to determine the best cutoff scores in sex- and age-specific RA dimensions, we observed a sensitivity and specificity up to 94 and 91 %, respectively, in ASD children and 98 and 94 %, respectively, in PH-CHD children. We provide normal values (z scores -2 to +2) for RA size and area in a representative, large pediatric cohort. Enlarged RA variables with scores >+2 were predictive of secundum ASD and PH-CHD. Two-dimensional determination of RA size can identify enlarged RAs in the setting of high volume load (ASD) or pressure load (PH-CHD).
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Affiliation(s)
- Martin Koestenberger
- Division of Pediatric Cardiology, Department of Pediatrics, Medical University Graz, Auenbruggerplatz 34/2, 8036, Graz, Austria.
| | - Ante Burmas
- Division of Pediatric Cardiology, Department of Pediatrics, Medical University Graz, Auenbruggerplatz 34/2, 8036, Graz, Austria
| | - William Ravekes
- Division of Pediatric Cardiology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Alexander Avian
- Institute for Medical Informatics, Statistics and Documentation, Medical University Graz, Graz, Austria
| | - Andreas Gamillscheg
- Division of Pediatric Cardiology, Department of Pediatrics, Medical University Graz, Auenbruggerplatz 34/2, 8036, Graz, Austria
| | - Gernot Grangl
- Division of Pediatric Cardiology, Department of Pediatrics, Medical University Graz, Auenbruggerplatz 34/2, 8036, Graz, Austria
| | - Marlene Grillitsch
- Division of Pediatric Cardiology, Department of Pediatrics, Medical University Graz, Auenbruggerplatz 34/2, 8036, Graz, Austria
| | - Georg Hansmann
- Department of Pediatric Cardiology and Critical Care, Hannover Medical School, Hannover, Germany
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27
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Abstract
Noninvasive imaging of the heart plays an important role in the diagnosis and management of pulmonary hypertension (PH), and several well-established techniques are available for assessing performance of the right ventricle, the key determinant of patient survival. While right heart catheterisation is mandatory for establishing a diagnosis of PH, echocardiography is the most important screening tool for early detection of PH. Cardiac magnetic resonance imaging (CMRI) is also a reliable and practical tool that can be used as part of the diagnostic work-up. Echocardiography can measure a range of haemodynamic and anatomical variables (e.g. pericardial effusion and pulmonary artery pressure), whereas CMRI provides complementary information to echocardiography via high-resolution, three-dimensional imaging. Together with echocardiography and CMRI, techniques such as high-resolution computed tomography and positron emission tomography may also be valuable for screening, monitoring and follow-up assessments of patients with PH, but their clinical relevance has yet to be established. Technological advances have produced new variants of echocardiography, CMRI and positron emission tomography, and these permit closer examination of myocardial architecture, motion and deformation. Integrating these new tools into clinical practice in the future may lead to more precise noninvasive determination of diagnosis, risk and prognosis for PH.
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28
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Lohani O, Colvin KL, Yeager ME. Biomarkers for pediatric pulmonary arterial hypertension: challenges and recommendations. Paediatr Respir Rev 2015; 16:225-31. [PMID: 26036720 DOI: 10.1016/j.prrv.2015.05.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2014] [Accepted: 05/06/2015] [Indexed: 10/23/2022]
Abstract
Pediatric pulmonary arterial hypertension (PAH) is an uncommon disease that can occur in neonates, infants, and children, and is associated with high morbidity and mortality. Despite advances in treatment strategies over the last two decades, the underlying structural and functional changes to the pulmonary arterial circulation are progressive and lead eventually to right heart failure. The management of PAH in children is complex due not only to the developmental aspects but also because most evidence-based practices derive from adult PAH studies. As such, the pediatric clinician would be greatly aided by specific characteristics (biomarkers) objectively measured in children with PAH to determine appropriate clinical management. This review highlights the current state of biomarkers in pediatric PAH and looks forward to potential biomarkers, and makes several recommendations for their use and interpretation.
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Affiliation(s)
- Ozus Lohani
- Department of Bioengineering, University of Colorado Denver; Department of Pediatrics-Critical Care
| | - Kelley L Colvin
- Department of Bioengineering, University of Colorado Denver; Department of Pediatrics-Critical Care; Cardiovascular Pulmonary Research, University of Colorado Denver; Linda Crnic Institute for Down Syndrome, Denver, Colorado
| | - Michael E Yeager
- Department of Bioengineering, University of Colorado Denver; Department of Pediatrics-Critical Care; Cardiovascular Pulmonary Research, University of Colorado Denver; Linda Crnic Institute for Down Syndrome, Denver, Colorado.
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29
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Nagel C, Henn P, Ehlken N, D'Andrea A, Blank N, Bossone E, Böttger A, Fiehn C, Fischer C, Lorenz HM, Stöckl F, Grünig E, Egenlauf B. Stress Doppler echocardiography for early detection of systemic sclerosis-associated pulmonary arterial hypertension. Arthritis Res Ther 2015; 17:165. [PMID: 26084934 PMCID: PMC4504224 DOI: 10.1186/s13075-015-0673-7] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2015] [Accepted: 06/02/2015] [Indexed: 11/10/2022] Open
Abstract
INTRODUCTION In patients with systemic sclerosis (SSc), associated pulmonary arterial hypertension (SSc-APAH) is the leading cause of death. The objective of this prospective screening study was to analyse sensitivity and specificity of stress Doppler echocardiography (SDE) in detecting pulmonary hypertension (PH). METHODS Pulmonary artery pressures and further parameters of PH were assessed by echocardiography and right heart catheterisation (RHC) at rest and during exercise in patients with SSc. Investigators of RHC were blinded to the results of non-invasive measurements. RESULTS Of 76 patients with SSc (64 were female and mean age was 58±14 years), 22 (29 %) had manifest PH confirmed by RHC: four had concomitant left heart diseases, three had lung diseases, and 15 had SSc-APAH. Echocardiography at rest missed PH diagnosis in five of 22 patients with PH when a cutoff value for systolic pulmonary arterial pressure (PASP) was more than 40 mm Hg at rest. The sensitivity of echocardiography at rest was 72.7 % (95 % confidence interval (CI) 0.52-0.88), and specificity was 88.2 % (95 % CI 0.78-0.95). When a cutoff value for PASP was more than 45 mm Hg during low-dose exercise, SDE missed PH diagnosis in one of the 22 patients with PH and improved sensitivity to 95.2 % (95 % CI 0.81-1.0) but reduced specificity to 84.9 % (95 % CI 0.74-0.93). Reduction of specificity was partly due to concomitant left heart disease. CONCLUSIONS The results of this prospective cross-sectional study using RHC as gold standard in all patients showed that SDE markedly improved sensitivity in detecting manifest PH to 95.2 % compared with 72.7 % using echocardiography at rest only. Thus, for PH screening in patients with SSc, echocardiography should be performed at rest and during exercise. TRIAL REGISTRATION ClinicalTrials.gov NCT01387035. Registered 29 June 2011.
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Affiliation(s)
- Christian Nagel
- Centre for Pulmonary Hypertension Thoraxclinic, University Hospital Heidelberg, Amalienstr. 5, 69126, Heidelberg, Germany. .,Lung Centre, Klinikum Mittelbaden, Balger Str. 50, 76532, Baden-Baden Balg, Germany.
| | - Philipp Henn
- Centre for Pulmonary Hypertension Thoraxclinic, University Hospital Heidelberg, Amalienstr. 5, 69126, Heidelberg, Germany.
| | - Nicola Ehlken
- Centre for Pulmonary Hypertension Thoraxclinic, University Hospital Heidelberg, Amalienstr. 5, 69126, Heidelberg, Germany.
| | - Antonello D'Andrea
- Department of Cardiothoracic Sciences, Monaldi Hospital, Second University of Naples, Via Leonardo Bianchi, 1, 80131, Naples, Italy.
| | - Norbert Blank
- Division of Rheumatology, University Hospital Heidelberg, Im Neuenheimer Feld 410, 69120, Heidelberg, Germany.
| | - Eduardo Bossone
- Department of Cardiology and Cardiac Surgery, University Hospital "Scuola Medica Salernitana", Via Pr. Amedeo, 36-83023 Lauro (AV), Salerno, Italy.
| | - Anke Böttger
- Rheumapraxis Landau, Industriestraße 9, 76829, Landau in der Pfalz, Germany.
| | - Christoph Fiehn
- Department of Rheumatology, ACURA-Klinik Baden-Baden, Rotenbachtalstr. 5, 76530, Baden-Baden, Germany.
| | - Christine Fischer
- Department of Human Genetics, University of Heidelberg, Im Neuenheimer Feld 366, 69120, Heidelberg, Germany.
| | - Hanns-Martin Lorenz
- Division of Rheumatology, University Hospital Heidelberg, Im Neuenheimer Feld 410, 69120, Heidelberg, Germany.
| | - Frank Stöckl
- Klinikum Darmstadt, Medizinische Klinik III, Grafenstraße 9, 64283, Darmstadt, Germany.
| | - Ekkehard Grünig
- Centre for Pulmonary Hypertension Thoraxclinic, University Hospital Heidelberg, Amalienstr. 5, 69126, Heidelberg, Germany.
| | - Benjamin Egenlauf
- Centre for Pulmonary Hypertension Thoraxclinic, University Hospital Heidelberg, Amalienstr. 5, 69126, Heidelberg, Germany.
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Characterization of Right Ventricular Remodeling in Pulmonary Hypertension Associated With Patient Outcomes by 3-Dimensional Wall Motion Tracking Echocardiography. Circ Cardiovasc Imaging 2015; 8:CIRCIMAGING.114.003176. [DOI: 10.1161/circimaging.114.003176] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Jungck D, Knobloch J, Körber S, Lin Y, Konradi J, Yanik S, Stoelben E, Koch A. Endothelin Receptor B Protects Granulocyte Macrophage Colony-Stimulating Factor mRNA from Degradation. J Pharmacol Exp Ther 2015; 353:564-72. [DOI: 10.1124/jpet.114.215822] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2014] [Accepted: 03/30/2015] [Indexed: 01/08/2023] Open
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Progressive muscle relaxation improves anxiety and depression of pulmonary arterial hypertension patients. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2015; 2015:792895. [PMID: 25922614 PMCID: PMC4397496 DOI: 10.1155/2015/792895] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2014] [Accepted: 03/17/2015] [Indexed: 01/30/2023]
Abstract
We explored the effects of progressive muscle relaxation (PMR) on anxiety, depression, and quality of life (QOL) in patients with pulmonary arterial hypertension (PAH). One hundred and thirty Han Chinese patients with PAH were randomly assigned to a PMR group (n = 65) and a control group (n = 65). In a 12-week study duration, the PMR group received hospital-based group and in-home PMR practice, while the control group received hospital-based mild group stretching and balance exercises. The control group and the PMR group were comparable at baseline. After 12 weeks of intervention, the PMR group showed significant improvement in anxiety, depression, overall QOL, and the mental component summary score of QOL (P < 0.05) but not the physical component summary score of QOL or the 6-minute walking distance. In contrast, the control group showed no significant improvement in any of the variables. Moreover, the PMR group showed significant improvement in all QOL mental health domains (P < 0.05) but not the physical health domains. In contrast, the control group showed no significant improvement in any QOL domain. In conclusion, this study suggests that PMR practice is effective in improving anxiety, depression, and the mental health components of QOL in patients with PAH.
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Bossone E, Dellegrottaglie S, Patel S, Grunig E, D'Andrea A, Ferrara F, Gargiulo P, D'Alto M, Soricelli A, Cittadini A, Sanz J, Perrone-Filardi P, Rubenfire M. Multimodality Imaging in Pulmonary Hypertension. Can J Cardiol 2015; 31:440-59. [DOI: 10.1016/j.cjca.2015.02.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2014] [Revised: 02/16/2015] [Accepted: 02/16/2015] [Indexed: 01/25/2023] Open
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Grünig E, Biskupek J, D'Andrea A, Ehlken N, Egenlauf B, Weidenhammer J, Marra AM, Cittadini A, Fischer C, Bossone E. Reference ranges for and determinants of right ventricular area in healthy adults by two-dimensional echocardiography. Respiration 2015; 89:284-93. [PMID: 25765954 DOI: 10.1159/000371472] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Accepted: 12/07/2014] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND The right ventricular (RV) area is important for diagnosis and follow-up in patients with various diseases, such as in pulmonary hypertension. OBJECTIVES The aim of this study was to define the reference ranges of the end-diastolic RV area in healthy adults and to assess the determining factors. METHODS In the first part of the study 860 healthy subjects (37.6% female; mean age 28 ± 5.84; 395 endurance athletes, 255 strength athletes and 210 non-athletes) were prospectively assessed. In the second part we performed a pooled analysis of studies published between 1979 and 2014 describing the RV area in healthy subjects (n = 5,248). Statistical analysis included the calculation of reference ranges and the analysis of determining factors. RESULTS Mean end-diastolic RV areas in 860 healthy subjects were significantly larger in endurance athletes (25.1 ± 2.0 cm(2)) compared with strength athletes (22.9 ± 1.7 cm(2)) and non-athletes (16.7 ± 2.0 cm(2), p < 0.001). In the synopsis of both data sets, mean end-diastolic RV area was significantly larger in European/American males (17 cm(2)) compared with females (14 cm(2), p < 0.001) and in Asian males (16 cm(2)) compared with females (13 cm(2), p < 0.001). The area increased with body surface area and older age. CONCLUSION This is the largest data set to define RV size in healthy adults aged <50 years. RV area was determined by age, gender, body surface area, ethnicity and high-level exercise training. High standard deviations resulted in high values for the upper limit of the reference range, which might therefore not be useful as cut-off values for screening purposes. Gender- and ethnicity-specific reference ranges should be used. Further studies in subjects aged >50 years as well as in children are needed.
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Affiliation(s)
- Ekkehard Grünig
- Centre for Pulmonary Hypertension, Thoraxclinic, University Hospital Heidelberg, Heidelberg, Germany
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Ruocco G, Cekorja B, Rottoli P, Refini RM, Pellegrini M, Di Tommaso C, Del Castillo G, Franci B, Nuti R, Palazzuoli A. Role of BNP and echo measurement for pulmonary hypertension recognition in patients with interstitial lung disease: An algorithm application model. Respir Med 2015; 109:406-15. [DOI: 10.1016/j.rmed.2014.12.011] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Revised: 12/19/2014] [Accepted: 12/28/2014] [Indexed: 02/06/2023]
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Marra AM, Egenlauf B, Bossone E, Eichstaedt C, Grünig E, Ehlken N. Principles of Rehabilitation and Reactivation: Pulmonary Hypertension. Respiration 2015; 89:265-73. [DOI: 10.1159/000371855] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Held M, Grün M, Holl R, Hübner G, Kaiser R, Karl S, Kolb M, Schäfers HJ, Wilkens H, Jany B. Cardiopulmonary exercise testing to detect chronic thromboembolic pulmonary hypertension in patients with normal echocardiography. Respiration 2015; 87:379-87. [PMID: 24732343 DOI: 10.1159/000358565] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2013] [Accepted: 01/13/2014] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Chronic thromboembolic pulmonary hypertension (CTEPH) is a serious complication of pulmonary embolism (PE). Taking into account the reported incidence of CTEPH after acute PE, the number of patients with undiagnosed CTEPH may be high. OBJECTIVES We aimed to determine if cardiopulmonary exercise testing (CPET) could serve as complementary tool in the diagnosis of CTEPH and can detect CTEPH in patients with normal echocardiography. METHODS At diagnosis, we analyzed the data of CPET parameters in 42 patients with proven CTEPH and 51 controls, and evaluated the performance of two scores. RESULTS VE/VCO2 slope, EQO2, EQCO2, P(A-a)O2, end-tidal partial pressure of CO2 at anaerobic threshold (PETCO2) and capillary to end-tidal carbon dioxide gradient [P(c-ET)CO2] were significantly different between patients with CTEPH and controls (p < 0.001). P(c-ET)CO2 was the single parameter with the highest sensitivity (85.7%) and specificity (88.2%). A score combining VE/VCO2 slope, P(A-a)O2, P(c-ET)CO2, PETCO2 [4-parameter-CPET (4-P-CPET) score] reached a sensitivity of 83.3% and a specificity of 92.2% after cross-validation. In 42 patients with CTEPH, echocardiography identified PH in 29 patients (69%), but it was normal in 13 patients (31%). All patients with normal or unmeasurable right ventricular systolic pressure had a pathological CPET. Twelve of the 13 patients (92%) were detected by both CPET scores. CONCLUSION CPET is a useful noninvasive diagnostic tool for the detection of CTEPH in patients with suspected PH but normal echocardiography. The 4-P-CPET score provides a high sensitivity with the highest specificity.
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Affiliation(s)
- Matthias Held
- Department of Internal Medicine, Medical Mission Hospital, Academic Teaching Hospital, Julius Maximilian University of Würzburg, Würzburg, Germany
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de Lima-Filho NN, Figueiredo MS, Vicari P, Cançado R, Carvalho ACDC, Bordin JO, Campos O. Exercise-Induced Abnormal Increase of Systolic Pulmonary Artery Pressure in Adult Patients With Sickle Cell Anemia: An Exercise Stress Echocardiography Study. Echocardiography 2014; 33:1880-1890. [PMID: 25521187 DOI: 10.1111/echo.12853] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Pulmonary hypertension (PH) at rest is a risk factor for death in patients with sickle cell anemia (SCA). Exercise echocardiography (EE) can detect latent PH. We sought to investigate the occurrence of exercise-induced abnormal response of systolic pulmonary artery pressure (SPAP) in adult patients with SCA and normal SPAP at rest, and to identify the independent predictors of this abnormal response. METHODS AND RESULTS Forty-four adult patients with SCA and normal SPAP at rest (tricuspid regurgitant jet flow velocity [TRV] <2.5 m/sec) were studied and divided into 2 groups: exhibiting normal SPAP after treadmill EE (TRV ≤ 2.7 m/sec) (G1), and exhibiting abnormal exercise-induced increase of SPAP (TRV > 2.7 m/sec) (G2). TRV cutoff points at rest and during EE were based on data from healthy-matched control subjects. Abnormal response of SPAP with exercise occurred in 57% of the sample (G2), with mean TRV level of 3.39 ± 0.41 m/sec (range 2.8-4.5 m/sec), significantly higher than those of G1 (2.29 ± 0.25 m/sec, range 2.0-2.7 m/sec; P < 0.001). Multivariate analysis identified TRV value in resting conditions ≥2.25 m/sec (P < 0.05), left atrial volume index ≥41 mL/m2 (P < 0.05), and a E/e'-waves ratio ≥6.3 (P < 0.05) as independent predictors of exercise-induced increase of SPAP. CONCLUSION We concluded that adult patients with SCA and normal SPAP at rest may exhibit abnormal exercise-induced increase in SPAP, which was independently related to resting TRV levels, and indices of diastolic impairment and left ventricular filling pressure.
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Affiliation(s)
- Newton Nunes de Lima-Filho
- Cardiology Division, Paulista School of Medicine-Federal University of Sao Paulo (UNIFESP), Sao Paulo, Brazil
| | - Maria Stella Figueiredo
- Hematology Division of Paulista School of Medicine-Federal University of Sao Paulo (UNIFESP), Sao Paulo, Brazil
| | - Perla Vicari
- Hematology Division of Paulista School of Medicine-Federal University of Sao Paulo (UNIFESP), Sao Paulo, Brazil
| | - Rodolfo Cançado
- Hematology Division, Holy House of Mercy of Sao Paulo, Sao Paulo, Brazil
| | | | - José Orlando Bordin
- Hematology Division of Paulista School of Medicine-Federal University of Sao Paulo (UNIFESP), Sao Paulo, Brazil
| | - Orlando Campos
- Cardiology Division, Paulista School of Medicine-Federal University of Sao Paulo (UNIFESP), Sao Paulo, Brazil
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Eberhardt R, Gerovasili V, Kontogianni K, Gompelmann D, Ehlken N, Herth FJF, Grünig E, Nagel C. Endoscopic lung volume reduction with endobronchial valves in patients with severe emphysema and established pulmonary hypertension. ACTA ACUST UNITED AC 2014; 89:41-8. [PMID: 25502235 DOI: 10.1159/000368369] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2014] [Accepted: 08/26/2014] [Indexed: 11/19/2022]
Abstract
BACKGROUND One of the most common forms of pulmonary hypertension (PH) is that associated with chronic obstructive pulmonary disease (COPD). So far, patients with severe emphysema and established PH have been excluded from endoscopic lung volume reduction (ELVR) therapy due to the risk of right heart decompensation. OBJECTIVE The aim of this pilot study was to evaluate the feasibility and efficacy of ELVR using one-way endobronchial valves (EBV) in this specific group of patients. METHODS We prospectively included 6 patients with COPD, severe heterogeneous emphysema, and established PH who underwent right heart catheterization and clinical assessments before and 90 days after ELVR with unilateral EBV placement. RESULTS This study was not powered to measure any statistical differences in endpoints. Ninety days after ELVR, the symptoms, lung function, and hemodynamics improved in 5 out of 6 patients (1 patient normalized and 1 slightly worsened). The mean hemodynamics improved from baseline to 90 days after ELVR as follows: mean pulmonary artery pressure, -2.5 ± 3.5 mm Hg; pulmonary arterial wedge pressure, -4.3 ± 8.3 mm Hg; cardiac index, +0.3 ± 0.6 l/min/m(2), and 6-min walk distance, +59 ± 99 m. ELVR was performed without PH-related complications in all patients. CONCLUSION To our knowledge, this is the first prospective, single-center pilot study to evaluate the feasibility and efficacy of ELVR in patients with established PH. ELVR was feasible and resulted in an improvement of clinical and hemodynamic parameters in 5 out of 6 patients. These results have to be further confirmed in larger-scale controlled studies.
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Affiliation(s)
- Ralf Eberhardt
- Department of Pulmonology and Respiratory Care Medicine, Thoraxklinik, University of Heidelberg, Heidelberg, Germany
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van Riel AC, Boerlage-van Dijk K, de Bruin-Bon RH, Araki M, Koch KT, Vis MM, Meregalli PG, van den Brink RB, Piek JJ, Mulder BJ, Baan J, Bouma BJ. Percutaneous Mitral Valve Repair Preserves Right Ventricular Function. J Am Soc Echocardiogr 2014; 27:1098-106. [DOI: 10.1016/j.echo.2014.06.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2014] [Indexed: 10/25/2022]
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Held M, Hesse A, Gött F, Holl R, Hübner G, Kolb P, Langen HJ, Romen T, Walter F, Schäfers HJ, Wilkens H, Jany B. A symptom-related monitoring program following pulmonary embolism for the early detection of CTEPH: a prospective observational registry study. BMC Pulm Med 2014; 14:141. [PMID: 25168781 PMCID: PMC4152276 DOI: 10.1186/1471-2466-14-141] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2014] [Accepted: 08/18/2014] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND Chronic thromboembolic pulmonary hypertension (CTEPH) is a long-term complication following an acute pulmonary embolism (PE). It is frequently diagnosed at advanced stages which is concerning as delayed treatment has important implications for favourable clinical outcome. Performing a follow-up examination of patients diagnosed with acute PE regardless of persisting symptoms and using all available technical procedures would be both cost-intensive and possibly ineffective. Focusing diagnostic procedures therefore on only symptomatic patients may be a practical approach for detecting relevant CTEPH.This study aimed to evaluate if a follow-up program for patients with acute PE based on telephone monitoring of symptoms and further examination of only symptomatic patients could detect CTEPH. In addition, we investigated the role of cardiopulmonary exercise testing (CPET) as a diagnostic tool. METHODS In a prospective cohort study all consecutive patients with newly diagnosed PE (n=170, 76 males, 94 females within 26 months) were recruited according to the inclusion and exclusion criteria. Patients were contacted via telephone and asked to answer standardized questions relating to symptoms. At the time of the final analysis 130 patients had been contacted. Symptomatic patients underwent a structured evaluation with echocardiography, CPET and complete work-up for CTEPH. RESULTS 37.7%, 25.5% and 29.3% of the patients reported symptoms after three, six, and twelve months respectively. Subsequent clinical evaluation of these symptomatic patients saw 20.4%, 11.5% and 18.8% of patients at the respective three, six and twelve months time points having an echocardiography suggesting pulmonary hypertension (PH). CTEPH with pathological imaging and a mean pulmonary artery pressure (mPAP) ≥ 25 mm Hg at rest was confirmed in eight subjects. Three subjects with mismatch perfusion defects showed an exercise induced increase of PAP without increasing pulmonary artery occlusion pressure (PAOP). Two subjects with pulmonary hypertension at rest and one with an exercise induced increase of mPAP with normal PAOP showed perfusion defects without echocardiographic signs of PH but a suspicious CPET. CONCLUSION A follow-up program based on telephone monitoring of symptoms and further structured evaluation of symptomatic subjects can detect patients with CTEPH. CPET may serve as a complementary diagnostic tool.
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Affiliation(s)
- Matthias Held
- Medical Mission Hospital, Department of Internal Medicine, Academic Teaching Hospital of the Julius-Maximilian University of Würzburg, Salvatorstrasse 7, Würzburg 97067, Germany
| | - Alexander Hesse
- Medical Mission Hospital, Department of Internal Medicine, Academic Teaching Hospital of the Julius-Maximilian University of Würzburg, Salvatorstrasse 7, Würzburg 97067, Germany
| | - Franziska Gött
- Medical Mission Hospital, Department of Internal Medicine, Academic Teaching Hospital of the Julius-Maximilian University of Würzburg, Salvatorstrasse 7, Würzburg 97067, Germany
| | - Regina Holl
- Medical Mission Hospital, Department of Internal Medicine, Academic Teaching Hospital of the Julius-Maximilian University of Würzburg, Salvatorstrasse 7, Würzburg 97067, Germany
| | - Gudrun Hübner
- Medical Mission Hospital, Department of Internal Medicine, Academic Teaching Hospital of the Julius-Maximilian University of Würzburg, Salvatorstrasse 7, Würzburg 97067, Germany
| | - Philipp Kolb
- Firestone Institute for Respiratory Health, Department of Medicine, Pathology & Molecular Medicine, McMaster University, 50 Charlton Ave East, T2131, Hamilton, ON L8N 4A6, Canada
| | - Heinz Jakob Langen
- Medical Mission Hospital, Department of Radiology, Academic Teaching Hospital of the Julius-Maximilian University of Würzburg, Salvatorstrasse 7, Würzburg 97067, Germany
| | - Tobias Romen
- Medical Mission Hospital, Department of Internal Medicine, Academic Teaching Hospital of the Julius-Maximilian University of Würzburg, Salvatorstrasse 7, Würzburg 97067, Germany
| | - Franziska Walter
- Medical Mission Hospital, Department of Internal Medicine, Academic Teaching Hospital of the Julius-Maximilian University of Würzburg, Salvatorstrasse 7, Würzburg 97067, Germany
| | - Hans Joachim Schäfers
- University Hospital Homburg Saar, Clinic for Thoracic and Cardiovascular Surgery, Kirrberger Strasse, Homburg, Saar D 66421, Germany
| | - Heinrike Wilkens
- Department of Internal Medicine V, Respiratory and Critical Care Medicine, University Hospital Homburg Saar, Kirrberger Strasse, Homburg, Saar D 66421, Germany
| | - Berthold Jany
- Medical Mission Hospital, Department of Internal Medicine, Academic Teaching Hospital of the Julius-Maximilian University of Würzburg, Salvatorstrasse 7, Würzburg 97067, Germany
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Identification of a new intronic BMPR2-mutation and early diagnosis of heritable pulmonary arterial hypertension in a large family with mean clinical follow-up of 12 years. PLoS One 2014; 9:e91374. [PMID: 24621962 PMCID: PMC3951367 DOI: 10.1371/journal.pone.0091374] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2013] [Accepted: 02/10/2014] [Indexed: 11/19/2022] Open
Abstract
Background Mutations in the bone morphogenetic protein receptor 2 (BMPR2) gene can lead to hereditary pulmonary arterial hypertension (HPAH) and are detected in more than 80% of cases with familial aggregation of the disease. Factors determining disease penetrance are largely unknown. Methods A mean clinical follow-up of 12 years was accomplished in 46 family members including echocardiography, stress-Dopplerechocardiography and genetic analysis of TGF-β pathway genes. Right heart catheterization and RNA-analysis was performed in members with pathological findings. Results Manifest HPAH was diagnosed in 8 members, 4 were already deceased, two died during the follow-up, two are still alive. Normal pulmonary artery systolic pressure at rest but hypertensive response to exercise has been identified in 19 family members. Analysis of BMPR2 transcripts revealed aberrant splicing due to an insertion of an intronic Alu element adjacent to exon 6. All HPAH patients and 12 further asymptomatic family members carried this insertion. During follow-up two family members carrying hypertensive response and the Alu insertion developed manifest HPAH. Conclusion This is the first report of an intronic BMPR2 mutation due to an Alu element insertion causing HPAH in a large family which has been confirmed on RNA-level. Only those members that carried both hypertensive response and the mutation developed manifest HPAH during follow-up. Our findings highlight the importance of including further methods such as RNA analysis into the molecular genetic diagnostic of PAH patients. They suggest that at least in some families hypertensive response may be an additional risk factor for disease manifestation and penetrance.
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Non-invasive determination of pulmonary hypertension with dynamic contrast-enhanced computed tomography: a pilot study. Eur Radiol 2013; 24:668-76. [DOI: 10.1007/s00330-013-3067-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2013] [Revised: 10/03/2013] [Accepted: 10/17/2013] [Indexed: 01/04/2023]
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Pulmonary veno-occlusive disease: the role of CT. Radiol Med 2013; 119:667-73. [DOI: 10.1007/s11547-013-0363-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2012] [Accepted: 03/04/2013] [Indexed: 10/26/2022]
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Valentova M, von Haehling S, Krause C, Ebner N, Steinbeck L, Cramer L, Doehner W, Murin J, Anker SD, Sandek A. Cardiac cachexia is associated with right ventricular failure and liver dysfunction. Int J Cardiol 2013; 169:219-24. [DOI: 10.1016/j.ijcard.2013.08.134] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2013] [Revised: 07/22/2013] [Accepted: 08/30/2013] [Indexed: 01/03/2023]
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Assessment and Prognostic Relevance of Right Ventricular Contractile Reserve in Patients With Severe Pulmonary Hypertension. Circulation 2013; 128:2005-15. [DOI: 10.1161/circulationaha.113.001573] [Citation(s) in RCA: 167] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background—
This study sought to analyze a new approach to assess exercise-induced pulmonary artery systolic pressure (PASP) increase by means of stress Doppler echocardiography as a possible measure of right ventricular contractile reserve in patients with severe pulmonary hypertension and right heart failure.
Methods and Results—
In this prospective study, patients with invasively diagnosed pulmonary arterial hypertension or inoperable chronic thromboembolic pulmonary hypertension and impaired right ventricular pump function despite a stable targeted pulmonary arterial hypertension medication underwent a broad panel of noninvasive assessments, including stress echocardiography and cardiopulmonary exercise testing. On the basis of the assumption that exercise-induced PASP is a measure of right ventricular contractile reserve, patients were classified into 2 groups according to an exercise-induced PASP increase above or below the median. Patients were followed up for 3.0±1.8 years. Univariate and multivariate analyses were used for factors predicting survival. Of 124 patients, 66 were below the median exercise-induced PASP increase of 30 mm Hg (low PASP), and 58 patients were above the median (high PASP). These groups were not significantly different in terms of medication and resting hemodynamics. Low PASP was associated with a significantly lower 6-minute walking distance, peak
o
2
per kilogram, and 1-, 3-, and 4-year survival rates (92%, 69%, and 48%, respectively, versus 96%, 92%, and 89%). In the multivariate Cox model analysis adjusted for age and sex, PASP increase during exercise and peak
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2
per kilogram remained independent prognostic markers (hazard ratio, 2.56 for peak
o
2
per kilogram and 2.84 for PASP increase).
Conclusions—
Exercise-induced PASP increase is of high clinical and prognostic relevance in pulmonary hypertension patients and may indicate right ventricular contractile reserve. Stress Doppler echocardiography may be a useful tool for prognostic assessment in pulmonary hypertension patients.
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Abstract
Stress echocardiography is an established method for the diagnosis and prognostic stratification of coronary artery disease. In the last few years, the tremendous technological and conceptual versatility of this technique has been increasingly applied in challenging diagnostic fields. Today, in the echocardiography laboratory we can detect not only ischaemia from coronary artery stenosis, but can also recognize abnormalities of the coronary microvessels, myocardium, heart valves, pulmonary circulation, alveolar-capillary barrier, and right ventricle. Therefore, we evaluate coronary arteries as well as coronary microvascular disease (associated with diabetes and hypertension), suspected or overt dilated cardiomyopathy, systolic and diastolic heart failure, hypertrophic cardiomyopathy, athletes' hearts, valvular heart disease, congenital heart disease, incipient or overt pulmonary hypertension, and heart transplant patients for early detection of chronic or acute rejection as well as potential donors for better selection of suitable donor hearts. From a stress echo era with a one-fits-all approach (wall motion by 2D-echo in the patient with known or suspected coronary artery disease) now we have moved on to an omnivorous, next-generation laboratory employing a variety of technologies (from M-Mode to 2D and pulsed, continuous and colour Doppler, to lung ultrasound and real-time 3D echo, 2D speckle tracking and myocardial contrast echo) on patients covering the entire spectrum of severity (from elite athletes to patients with end-stage heart failure) and ages (from children with congenital heart disease to the elderly with low-flow, low-gradient aortic stenosis). For each patient, we can tailor a dedicated stress protocol with a specific method to address a particular diagnostic question. Provided that the acoustic window is acceptable and the necessary expertise available, stress echocardiography is useful and convenient in many situations, from valvular to congenital heart disease, and whenever there is a mismatch between symptoms during stress and findings at rest. Increasing societal concern regarding cost, environment and radiation risks of medical imaging will lead to a preferential application of ultrasound over competing techniques, due to its unsurpassed versatility, portability, absence of radiation, and low cost.
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Affiliation(s)
- Eugenio Picano
- CNR, Institute of Clinical Physiology, Via Moruzzi, 1, Pisa 56124, Italy
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Harzheim D, Klose H, Pinado FP, Ehlken N, Nagel C, Fischer C, Ghofrani A, Rosenkranz S, Seyfarth HJ, Halank M, Mayer E, Grünig E, Guth S. Anxiety and depression disorders in patients with pulmonary arterial hypertension and chronic thromboembolic pulmonary hypertension. Respir Res 2013; 14:104. [PMID: 24107187 PMCID: PMC4021210 DOI: 10.1186/1465-9921-14-104] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2013] [Accepted: 09/25/2013] [Indexed: 01/23/2023] Open
Abstract
Background The objective of this prospective study was to assess the prevalence of anxiety and depression disorders and their association with quality of life (QoL), clinical parameters and survival in patients with pulmonary hypertension (PH). Methods We prospectively assessed 158 patients invasively diagnosed with pulmonary arterial hypertension (n = 138) and inoperable chronic thromboembolic PH (n = 20) by clinical measures including quality of life (QoL, SF-36 questionnaire), cardiopulmonary exercise testing and six minute walking distance and by questionnaires for depression (PHQ-9) and anxiety (GAD-7). According to the results of the clinical examination and the questionnaires for mental disorders (MD) patients were classified into two groups, 1) with moderate to severe MD (n = 36, 22,8%), and 2) with mild or no MD (n = 122). Patients were followed for a median of 2.7 years. Investigators of QoL, SF-36 were blinded to the clinical data. Results At baseline the 2 groups did not differ in their severity of PH or exercise capacity. Patients with moderate to severe MD (group 1) had a significantly lower QoL shown in all subscales of SF-36 (p < 0.002). QoL impairment significantly correlated with the severity of depression (p < 0.001) and anxiety (p < 0.05). During follow-up period 32 patients died and 3 were lost to follow-up. There was no significant difference between groups regarding survival. Only 8% of the patients with MD received psychopharmacological treatment. Conclusion Anxiety and depression were frequently diagnosed in our patients and significantly correlated with quality of life, but not with long term survival. Further prospective studies are needed to confirm the results.
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Affiliation(s)
- Dominik Harzheim
- Centre for Pulmonary Hypertension, Thoraxclinic University Hospital Heidelberg, Amalienstrasse 5, Heidelberg D-69126, Germany.
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Inconsistencies in the development of the ESC Clinical Practice Guidelines for Heart Failure. Int J Cardiol 2013; 168:1724-7. [DOI: 10.1016/j.ijcard.2013.05.045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2013] [Accepted: 05/04/2013] [Indexed: 11/18/2022]
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Foris V, Kovacs G, Tscherner M, Olschewski A, Olschewski H. Biomarkers in pulmonary hypertension: what do we know? Chest 2013; 144:274-283. [PMID: 23880678 DOI: 10.1378/chest.12-1246] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Pulmonary hypertension (PH) is a hemodynamic condition that has a poor prognosis and can lead to right-sided heart failure. It may result from common diseases such as left-sided heart or lung disease or may present as the rare entity of idiopathic pulmonary arterial hypertension. Biomarkers that specifically indicate the pathologic mechanism, the severity of the disease, and the treatment response would be ideal tools for the management of PH. In this review, markers related to heart failure, inflammation, hemostasis, remodeling, and endothelial cell-smooth muscle cell interaction are discussed, and their limitations are emphasized. Anemia, hypocarbia, elevated uric acid, and C-reactive protein levels are unspecific markers of disease severity. Brain natriuretic peptide and N-terminal fragment of pro-brain natriuretic peptide have been recommended in current guidelines, whereas other prognostic markers, such as growth differentiation factor-15, osteopontin, and red cell distribution width, are emerging. Chemokines of the CC family and matrix metalloproteases have been linked to the vascular pathologic mechanisms, and new markers such as apelin have been described. Circulating endothelial and progenitor cells have received much attention as markers of disease activity, but with controversial findings. A lack of standards for cell isolation and characterization methods and differences in the pathologic mechanisms of the investigated patients may have contributed to the discrepancies. In conclusion, although several promising markers have been identified over the past few years, the development of more specific markers, standardization, and prospective validation are warranted.
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Affiliation(s)
- Vasile Foris
- Ludwig Boltzmann Institute for Lung Vascular Research, the Medical University of Graz, Graz, Austria; Department of Internal Medicine, Division of Pulmonology, the Medical University of Graz, Graz, Austria
| | - Gabor Kovacs
- Ludwig Boltzmann Institute for Lung Vascular Research, the Medical University of Graz, Graz, Austria; Department of Internal Medicine, Division of Pulmonology, the Medical University of Graz, Graz, Austria
| | - Maria Tscherner
- Ludwig Boltzmann Institute for Lung Vascular Research, the Medical University of Graz, Graz, Austria; Department of Internal Medicine, Division of Pulmonology, the Medical University of Graz, Graz, Austria
| | - Andrea Olschewski
- Ludwig Boltzmann Institute for Lung Vascular Research, the Medical University of Graz, Graz, Austria; Department of Anesthesia and Intensive Care, Experimental Anesthesiology, the Medical University of Graz, Graz, Austria
| | - Horst Olschewski
- Ludwig Boltzmann Institute for Lung Vascular Research, the Medical University of Graz, Graz, Austria; Department of Internal Medicine, Division of Pulmonology, the Medical University of Graz, Graz, Austria.
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