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Pulmonary hypertension AND exercise

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https://www.readbyqxmd.com/read/28214153/arrhythmogenic-right-ventricular-dysplasia-atypical-clinical-presentation
#1
José Marçalo, Luiz Menezes Falcão
A 67-year-old man was admitted to our hospital after episodes of syncope preceded by malaise and diffuse neck and chest discomfort. No family history of cardiac disease was reported. Laboratory workup was within normal limits, including D-dimers, serum troponin I and arterial blood gases. The electrocardiogram showed sinus rhythm with T-wave inversion in leads V1 to V3. Computed tomography angiography to investigate pulmonary embolism showed no abnormal findings. Transthoracic echocardiography (TTE) displayed massive enlargement of the right ventricle with intact interatrial septum and no pulmonary hypertension...
February 14, 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/28213592/the-evidence-of-benefits-of-exercise-training-in-interstitial-lung-disease-a-randomised-controlled-trial
#2
Leona M Dowman, Christine F McDonald, Catherine J Hill, Annemarie L Lee, Kathryn Barker, Claire Boote, Ian Glaspole, Nicole S L Goh, Anne M Southcott, Angela T Burge, Rebecca Gillies, Alicia Martin, Anne E Holland
BACKGROUND: Uncertainty exists regarding the clinical relevance of exercise training across the range of interstitial lung diseases (ILDs). OBJECTIVE: To establish the impact of exercise training in patients with ILDs of differing aetiology and severity. METHODS: 142 participants with ILD (61 idiopathic pulmonary fibrosis (IPF), 22 asbestosis, 23 connective tissue disease-related ILD (CTD-ILD) and 36 with other aetiologies) were randomised to either 8 weeks of supervised exercise training or usual care...
February 17, 2017: Thorax
https://www.readbyqxmd.com/read/28187374/the-strengths-and-weaknesses-of-non-invasive-parameters-obtained-by-echocardiography-and-cardiopulmonary-exercise-testing-in-comparison-with-the-hemodynamic-assessment-by-the-right-heart-catheterization-in-patients-with-pulmonary-hypertension
#3
Katarzyna Ptaszyńska-Kopczyńska, Anna Krentowska, Emilia Sawicka, Anna Skoneczny, Małgorzata Jasiewicz, Małgorzata Knapp, Włodzimierz J Musiał, Bożena Sobkowicz, Karol A Kamiński
PURPOSE: Pulmonary hypertension (PH) diagnosis requires invasive assessment by right heart catheterization (RHC), but screening and monitoring are performed using non-invasive methods: echocardiography and cardiopulmonary exercise testing (CPET). The aim of the study was to assess correlations between the parameters obtained in non-invasive testing and RHC in patients with PH of different etiologies. MATERIAL/METHODS: The study included 53 medical records of PH patients (32 women) aged 29-81 years...
June 14, 2016: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28184260/perioperative-management-of-left-ventricular-diastolic-dysfunction-and-heart-failure-an-anesthesiologist-s-perspective
#4
REVIEW
Taeha Ryu, Seok-Young Song
Anesthesiologists frequently see asymptomatic patients with diastolic dysfunction or heart failure for various surgeries. These patients typically show normal systolic function but abnormal diastolic parameters in their preoperative echocardiographic evaluations. The symptoms that are sometimes seen are similar to those of chronic obstructive pulmonary disease. Patients with diastolic dysfunction, and even with diastolic heart failure, have the potential to develop a hypertensive crisis or pulmonary congestion...
February 2017: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/28183533/chronic-embolic-pulmonary-hypertension-caused-by-pulmonary-embolism-and-vascular-endothelial-growth-factor-inhibition
#5
Evandro M Neto-Neves, Mary Beth Brown, Maria V Zaretskaia, Samin Rezania, Adam G Goodwill, Brian P McCarthy, Scott A Persohn, Paul R Territo, Jeffrey A Kline
Our understanding of the pathophysiological basis of chronic thromboembolic pulmonary hypertension (CTEPH) will be accelerated by an animal model that replicates the phenotype of human CTEPH. Sprague-Dawley rats were administered a combination of a single dose each of plastic microspheres and vascular endothelial growth factor receptor antagonist in polystyrene microspheres (PE) + tyrosine kinase inhibitor SU5416 (SU) group. Shams received volume-matched saline; PE and SU groups received only microspheres or SU5416, respectively...
February 6, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28181133/effects-of-aerobic-exercise-training-on-metabolism-of-nitric-oxide-and-endothelin-1-in-lung-parenchyma-of-rats-with-pulmonary-arterial-hypertension
#6
A Zimmer, R B Teixeira, J H P Bonetto, R Siqueira, C C Carraro, L M Donatti, A Hickmann, I E Litvin, A E G Godoy, A S Araujo, R Colombo, Adriane Belló-Klein
Pulmonary arterial hypertension (PAH) is characterized by vasoconstriction and proliferative obstruction of pulmonary vessels, which promotes a progressive increase in pulmonary vascular resistance (PVR). The effect of exercise training on oxidative stress, metabolism, and markers of nitric oxide (NO) and endothelin-1 (ET-1) was analyzed in the lung tissue of rats with PAH induced by monocrotaline (MCT).Twenty-four Wistar rats were divided into four groups (5-7 animals): sedentary control (SC), sedentary MCT (SM), trained control (TC), and trained MCT (TM)...
February 8, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28178968/imatinib-relaxes-the-pulmonary-venous-bed-of-guinea-pigs
#7
Nina A Maihöfer, Said Suleiman, Daniela Dreymüller, Paul W Manley, Rolf Rossaint, Stefan Uhlig, Christian Martin, Annette D Rieg
BACKGROUND: Recently, the IMPRES study revealed that systemic imatinib improves exercise capacity in patients with advanced pulmonary arterial hypertension. Imatinib blocks the tyrosine kinase activity of the platelet-derived growth factor (PDGF)-receptor (PDGFR), acts antiproliferative and relaxes pulmonary arteries. However so far, the relaxant effects of imatinib on pulmonary veins (PVs) and on the postcapillary resistance are unknown, although pulmonary hypertension (PH) due to left heart disease (LHD) is most common and primarily affects PVs...
February 8, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28168802/validation-of-impedance-cardiography-in-pulmonary-arterial-hypertension
#8
Marios Panagiotou, Ioannis Vogiatzis, Geeshath Jayasekera, Zafeiris Louvaris, Alison Mackenzie, Neil Mcglinchey, Julien S Baker, Alistair C Church, Andrew J Peacock, Martin K Johnson
BACKGROUND: Non-invasive methods of measuring cardiac output are highly desirable in pulmonary arterial hypertension (PAH). We therefore sought to validate impedance cardiography (ICG) against thermodilution (TD) and cardiac magnetic resonance (CMR) in the measurement of cardiac output in patients under investigation for PAH. METHODS: A prospective, cross-sectional study was performed to compare single-point measurements of cardiac output obtained by impedance cardiography (COICG ) technology (PhysioFlow(®) ) with (i) contemporaneous TD measurements (COTD ) at rest and steady-state exercise during right heart catheterization and (ii) CMR measurements (COCMR ) at rest obtained within 72 h...
February 6, 2017: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/28167746/randomised-controlled-trial-examining-the-effect-of-an-outpatient-exercise-training-programme-on-haemodynamics-and-cardiac-mr-parameters-of-right-ventricular-function-in-patients-with-pulmonary-arterial-hypertension-the-expah-study-protocol
#9
Karen S W Chia, Steven G Faux, Peter K K Wong, Cameron Holloway, Hassan Assareh, Craig S McLachlan, Eugene Kotlyar
INTRODUCTION: Pulmonary hypertension (PH) is a potentially life-threatening condition characterised by elevated pulmonary artery pressure. Early stage PH patients are often asymptomatic. Disease progression is associated with impairment of right ventricular function and progressive dyspnoea. Current guidelines recommend exercise training (grade IIa, level B). However, many questions remain regarding the mechanisms of improvement, intensity of supervision and optimal frequency, duration and intensity of exercise...
February 6, 2017: BMJ Open
https://www.readbyqxmd.com/read/28159512/effect-of-calcium-channel-blockers-evaluated-by-cardiopulmonary-exercise-testing-in-idiopathic-pulmonary-arterial-hypertension-responding-to-acute-pulmonary-vasoreactivity-testing
#10
Yi Tang, Lei Yao, Zhihong Liu, Xiuping Ma, Qin Luo, Zhihui Zhao, Zhiwei Huang, Laura Tu, Liu Gao, Qi Jin, Xinhai Ni, Changming Xiong
BACKGROUND: The baseline exercise capacity evaluated by cardiopulmonary exercise testing (CPET) and the change after administration of calcium channel blockers (CCB) therapy in patients with vasodilator-responsive idiopathic pulmonary arterial hypertension (VR-IPAH)are unknown. METHODS: 25 patients with newly diagnosed VR-IPAH from 1 January 2012 to 16 November 2015 were prospectively enrolled, and 28 age, sex and pulmonary vascular resistance matched newly diagnosed patients with vasodilator-nonresponsive idiopathic pulmonary arterial hypertension (VNR-IPAH) were enrolled...
January 31, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28155616/crosstalk-between-oxidative-and-nitrosative-stress-and-arterial-stiffness
#11
Ioana Mozos, Constantin Tudor Luca
Arterial stiffness, the expression of reduced arterial elasticity, is an effective predictor of cardiovascular disorders. Oxidative stress is an imbalance between exposure to toxic reactive oxygen species (ROS) and antioxidant systems. The increase in reactive nitrogen species (RNS) is termed nitrosative stress. We review the main mechanisms and products linking arterial stiffness with oxidative and nitrosative stress in several disorders, focusing on recent experimental and clinical data, and the mechanisms explaining benefits of antioxidant therapy...
February 1, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28132853/research-opportunities-and-challenges-in-the-era-of-healthy-living-medicine-unlocking-the-potential
#12
REVIEW
Shane A Phillips, Sharon Martino, Ross Arena
Non-communicable diseases, such as cardiovascular disease (CVD), obesity, cancer, pulmonary disease, and diabetes are a very high global health concern. The health costs of risk factors for CVD, such as hypertension (HTN), is mounting and are unrelenting. As an example, it is estimated that direct and indirect costs due to HTN amounted to $46.4 billion in 2011 and projections of six-fold increases by 2030; the importance of low-cost nonpharmacological interventions involving collaborative teams of health care professionals is at a critical junction...
January 26, 2017: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/28132404/right-ventricular-function-during-acute-exacerbation-of-severe-equine-asthma
#13
A Decloedt, H Borowicz, M Slowikowska, K Chiers, G van Loon, A Niedzwiedz
BACKGROUND: Pulmonary hypertension has been described in horses with severe equine asthma but its effect on the right ventricle has not been fully elucidated. OBJECTIVES: To evaluate right ventricular structure and function after a one-week period of pulmonary hypertension secondary to acute exacerbation of severe equine asthma. STUDY DESIGN: Prospective study. METHODS: A clinical episode of severe equine asthma was induced experimentally in six susceptible horses...
January 28, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28131663/pulmonary-hypertension-and-ventilation-during-exercise-role-of-the-pre-capillary-component
#14
Sergio Caravita, Andrea Faini, Gael Deboeck, Antoine Bondue, Robert Naeije, Gianfranco Parati, Jean-Luc Vachiéry
BACKGROUND: Excessive exercise-induced hyperventilation and high prevalence of exercise oscillatory breathing (EOB) are present in patients with post-capillary pulmonary hypertension (PH) complicating left heart disease (LHD). Patients with pre-capillary PH have even higher hyperventilation but no EOB. We sought to determine the impact of a pre-capillary component of PH on ventilatory response to exercise in patients with PH and left heart disease. METHODS: We retrospectively compared patients with idiopathic or heritable pulmonary arterial hypertension (PAH, n = 29), isolated post-capillary PH (IpcPH, n = 29), and combined post- and pre-capillary PH (CpcPH, n = 12)...
December 23, 2016: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28125022/pediatric-exercise-testing-value-and-implications-of-peak-oxygen-uptake
#15
REVIEW
Paolo T Pianosi, Robert I Liem, Robert G McMurray, Frank J Cerny, Bareket Falk, Han C G Kemper
Peak oxygen uptake (peak V ˙ O 2 ) measured by clinical exercise testing is the benchmark for aerobic fitness. Aerobic fitness, estimated from maximal treadmill exercise, is a predictor of mortality in adults. Peak V ˙ O 2 was shown to predict longevity in patients aged 7-35 years with cystic fibrosis over 25 years ago. A surge of exercise studies in young adults with congenital heart disease over the past decade has revealed significant prognostic information. Three years ago, the first clinical trial in children with pulmonary arterial hypertension used peak V ˙ O 2 as an endpoint that likewise delivered clinically relevant data...
January 24, 2017: Children
https://www.readbyqxmd.com/read/28117249/downhill-exercise-training-in-monocrotaline-injected-rats-effects-on-echocardiographic-and-haemodynamic-variables-and-survival
#16
Irina Enache, Fabrice Favret, Stéphane Doutreleau, Paola Goette Di Marco, Anne-Laure Charles, Bernard Geny, Anne Charloux
BACKGROUND: Eccentric exercise training has been shown to improve muscle force strength without excessive cardiovascular stress. Such an exercise modality deserves to be tested in pulmonary arterial hypertension. AIM: We aimed to assess the effects of an eccentric training modality on cardiac function and survival in an experimental monocrotaline-induced model of pulmonary arterial hypertension with right ventricular dysfunction. METHODS: Forty rats were randomly assigned to one of four groups: 40mg/kg monocrotaline-injected sedentary rats; 40mg/kg monocrotaline-injected eccentric-trained rats; sedentary control rats; or eccentric-trained control rats...
January 20, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28100544/oscillatory-whole-body-vibration-improves-exercise-capacity-and-physical-performance-in-pulmonary-arterial-hypertension-a-randomised-clinical-study
#17
Felix Gerhardt, Daniel Dumitrescu, Carina Gärtner, Ralf Beccard, Thomas Viethen, Tilmann Kramer, Stephan Baldus, Martin Hellmich, Eckhard Schönau, Stephan Rosenkranz
OBJECTIVE: In patients with pulmonary arterial hypertension (PAH), supportive therapies may be beneficial in addition to targeted medical treatment. Here, we evaluated the effectiveness and safety of oscillatory whole-body vibration (WBV) in patients on stable PAH therapy. METHODS: Twenty-two patients with PAH (mean PAP≥25 mm Hg and pulmonary arterial wedge pressure (PAWP)≤15 mm Hg) who were in world health organization (WHO)-Functional Class II or III and on stable PAH therapy for≥3 months, were randomised to receive WBV (16 sessions of 1-hour duration within 4 weeks) or to a control group, that subsequently received WBV...
January 18, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28100360/-end-tidal-pco-2-for-evaluation-of-severity-of-disease-in-idiopathic-pulmonary-arterial-hypertension-and-chronic-thromboembolic-pulmonary-hypertension
#18
X Shi, G L Yang, Y Chen, J Guo, W L Yang, P Yuan, S G Gong, R Jiang, Q H Zhao, L Wang, J He, T X Chen, J M Liu
Objective: To explore the difference in end tidal PCO(2) (P(ET)CO(2)) between idiopathic pulmonary arterial hypertension (IPAH) and chronic thromboembolic pulmonary hypertension (CTEPH), and to analyze the correlation between P(ET)CO(2) and the indexes of disease severity in IPAH and CTEPH patients. Methods: Data were retrieved from 68 IPAH patients and 52 CTEPH patients who all had received right-heart catheterization, pulmonary function test and cardiopulmonary exercise testing at Shanghai Pulmonary Hospital from October 2011 to October 2014...
January 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28099988/exercise-based-rehabilitation-programmes-for-pulmonary-hypertension
#19
REVIEW
Norman R Morris, Fiona D Kermeen, Anne E Holland
BACKGROUND: Individuals with pulmonary hypertension (PH) have reduced exercise capacity and quality of life. Despite initial concerns that exercise training may worsen symptoms in this group, several studies have reported improvements in functional capacity and well-being following exercise-based rehabilitation in PH. OBJECTIVES: To assess the efficacy and safety of exercise-based rehabilitation for people with PH. Primary outcomes were exercise capacity, adverse events during the intervention period and health-related quality of life (HRQoL)...
January 19, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28096285/epoprostenol-and-pulmonary-arterial-hypertension-20%C3%A2-years-of-clinical-experience
#20
REVIEW
Olivier Sitbon, Anton Vonk Noordegraaf
Epoprostenol was the first therapy to be approved for the treatment of pulmonary arterial hypertension (PAH). In the 20 years since the introduction of this prostacyclin analogue, the outlook for patients with PAH has improved, with survival rates now double those from the era before the development of disease-specific treatments. Today, there are a large amount of data on the clinical role of prostacyclin treatments and a body of evidence attesting the efficacy of epoprostenol in improving exercise capacity, key haemodynamic parameters and PAH symptoms, as well as in reducing mortality...
January 2017: European Respiratory Review: An Official Journal of the European Respiratory Society
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