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Pulmonary hypertension AND exercise

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https://www.readbyqxmd.com/read/27925430/pulmonary-hypertension-as-estimated-by-doppler-echocardiography-in-adolescent-and-adult-patients-with-cystic-fibrosis-and-their-relationship-with-clinical-lung-function-and-sleep-findings
#1
Bruna Ziegler, Christiano Perin, Fernanda Cano Casarotto, Simone Chaves Fagondes, Sérgio Saldanha Menna-Barreto, Paulo de Tarso Roth Dalcin
BACKGROUND: In cystic fibrosis (CF) patients, end stage of pulmonary disease is characterized by pulmonary hypertension (PH), hypoxemia, decrease in exercise tolerance and sleep quality. OBJECTIVE: To evaluate the association between clinical, lung function, sleep quality and polysomnographic variables with PH in CF patients aged 16 years or older. METHODS: In a cross-sectional study, 51 clinically stable CF patients underwent a clinical evaluation, an overnight polysomnography and answered sleep questionnaires (Pittsburgh Sleep Quality Index - PSQI and Epworth sleepiness scale - ESS)...
December 7, 2016: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/27920514/usefulness-of-the-6-minute-walk-test-as-a-screening-test-for-pulmonary-arterial-enlargement-in-copd
#2
Yutaro Oki, Masahiro Kaneko, Yukari Fujimoto, Hideki Sakai, Shogo Misu, Yuji Mitani, Takumi Yamaguchi, Hisafumi Yasuda, Akira Ishikawa
PURPOSE: Pulmonary hypertension and exercise-induced oxygen desaturation (EID) influence acute exacerbation of COPD. Computed tomography (CT)-detected pulmonary artery (PA) enlargement is independently associated with acute COPD exacerbations. Associations between PA to aorta (PA:A) ratio and EID in patients with COPD have not been reported. We hypothesized that the PA:A ratio correlated with EID and that results of the 6-minute walk test (6MWT) would be useful for predicting the risk associated with PA:A >1...
2016: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/27914635/noninvasive-screening-for-pulmonary-hypertension-by-exercise-testing-in-congenital-heart-disease
#3
Jan Müller, Pinar Bambul Heck, Peter Ewert, Alfred Hager
BACKGROUND: Patients with congenital heart disease and native or palliated conditions are at risk to develop pulmonary hypertension (PH) in later life. Screening for PH is currently performed by regular echocardiographic follow-up, which appears to be difficult in several congenital conditions. This study evaluated the screening for PH in congenital heart disease by cardiopulmonary exercise testing (CPET). METHODS: We analyzed our database including all patients with congenital heart disease referred for CPET in our institution from June 2001 to September 2013 and identified 683 patients who had an accompanied heart catheterization less than 6 month after CPET...
November 30, 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27913427/intermittent-hypoxia-during-recovery-from-neonatal-hyperoxic-lung-injury-causes-long-term-impairment-of-alveolar-development-a-new-rat-model-of-bpd
#4
Anastasiya Mankouski, Crystal Kantores, Mathew J Wong, Julijana Ivanovska, Amish Jain, Eric J Benner, Stanley N Mason, A Keith Tanswell, Richard L Auten, Robert P Jankov
Bronchopulmonary dysplasia (BPD) is a chronic lung injury characterized by impaired alveologenesis that may persist into adulthood. Rat models of BPD using varying degrees of hyperoxia to produce injury either cause early mortality or spontaneously recover following removal of the inciting stimulus, thus limiting clinical relevance. We sought to refine an established rat model induced by exposure to 60% O2 from birth by following hyperoxia with intermittent hypoxia (IH). Rats exposed from birth to air or 60% O2 until day 14 were recovered in air with or without IH (FiO2 = 0...
December 2, 2016: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/27908251/effects-of-an-outpatient-service-rehabilitation-programme-in-patients-affected-by-pulmonary-arterial-hypertension-an-observational-study
#5
Maurizio Bussotti, Paola Gremigni, Roberto Fe Pedretti, Patrycja Kransinska, Silvia Di Marco, Paola Corbo, Giovanni Marchese, Paolo Totaro, Marinella Sommaruga
BACKGROUND: Pulmonary arterial hypertension (PAH) is a rare disease characterised by a severe impairment of functional status and quality of life (QoL). Use of rehabilitative programmes may help to improve outcomes. The aim of this pre/post test case series was to evaluate the impact of a training program, including sessions of aerobic and resistance exercise, inspiratory muscle reinforcement, slow breathing, relaxation, and psychological support, on functional outcomes. METHODS: Fifteen patients affected by PAH, in World Health Organization (WHO) Functional Class (FC) II or III and in stable clinical condition, were included in a 4-week cardiorespiratory training programme conducted in outpatient service...
November 30, 2016: Cardiovascular & Hematological Disorders Drug Targets
https://www.readbyqxmd.com/read/27896702/safety-of-regadenoson-stress-testing-in-patients-with-pulmonary-hypertension
#6
Victor M Moles, Thomas Cascino, Ashraf Saleh, Krasimira Mikhova, John J Lazarus, Michael Ghannam, Hong J Yun, Matthew Konerman, Richard L Weinberg, Edward P Ficaro, James R Corbett, Vallerie V McLaughlin, Venkatesh L Murthy
OBJECTIVES: We sought to determine the safety of regadenoson stress testing in patients with PH. BACKGROUND: PH is increasingly recognized at more advanced ages. As many as one-third of patients with PH have coronary artery disease. Because of their physical limitations, patients with PH are unable to adequately exercise. Regadenoson can potentially have an adverse impact due to their tenuous hemodynamics. Current guidelines suggest performing a coronary angiography in patients with PH who have angina or multiple coronary risk factors...
November 28, 2016: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/27884004/precapillary-pulmonary-hypertension-and-sleep-disordered-breathing-is-there-a-link
#7
Robert Thurnheer, Silvia Ulrich, Konrad E Bloch
Among patients with sleep apnea the reported prevalence of precapillary pulmonary hypertension (PH) has varied largely, depending on patient selection, disease definition, and associated conditions, in particular chronic pulmonary disease. However, in the absence of comorbidities, PH seems to be rare in patients with sleep apnea. Conversely, sleep-related breathing disorders have been commonly found in patients with PH and they have been associated with an impaired quality of life. Since sleep-related breathing disorders may affect the pulmonary circulation and vice versa, patients with sleep-related breathing disorders should be evaluated for risk factors, symptoms and clinical signs of PH and right ventricular heart failure and patients with PH should be evaluated for sleep apnea...
November 25, 2016: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/27878925/left-ventricular-deformation-at-rest-predicts-exercise-induced-elevation-in-pulmonary-artery-wedge-pressure-in-patients-with-unexplained-dyspnoea
#8
Tor Biering-Sørensen, Mário Santos, Jose Rivero, Shane D McCullough, Erin West, Alexander R Opotowsky, Aaron B Waxman, David M Systrom, Amil M Shah
AIMS: Impaired left ventricular (LV) deformation despite preserved LV ejection fraction (LVEF) is common and predicts outcomes in heart failure with preserved LVEF. We hypothesized that impaired LV deformation at rest is a marker of impaired cardiac systolic and diastolic reserve, and aimed to determine whether resting longitudinal (LS) and circumferential strain (CS) are associated with invasively measured haemodynamic response to exercise in patients with dyspnoea and a normal LVEF...
November 22, 2016: European Journal of Heart Failure
https://www.readbyqxmd.com/read/27875728/exercise-induced-pulmonary-hypertension-by-stress-echocardiography-prevalence-and-correlation-with-right-heart-hemodynamics
#9
Deepika Misra, Ante Kendes, Roxana Sulica, Blase Carabello
OBJECTIVES: The aim of this study was to determine the prevalence of exercise-induced pulmonary hypertension (EIPH) in consecutive subjects referred for stress echocardiography for chest pain or shortness of breath and correlate echocardiographic diagnosis of EIPH with hemodynamics at right heart catheterization (RHC). BACKGROUND: Elevated pulmonary pressure can lead to significant morbidity and mortality. EIPH by ehocardiography has been described in patients with connective tissue disease...
November 9, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27873388/effects-of-sildenafil-on-cardiac-structure-and-function-cardiopulmonary-exercise-testing-and-health-related-quality-of-life-measures-in-heart-failure-patients-with-preserved-ejection-fraction-and-pulmonary-hypertension
#10
Licette C Y Liu, Yoran M Hummel, Peter van der Meer, Rolf M F Berger, Kevin Damman, Dirk J van Veldhuisen, Adriaan A Voors, Elke S Hoendermis
AIMS: We recently showed that sildenafil did not improve pulmonary pressures and exercise capacity in a cohort of patients with heart failure and preserved ejection fraction (HFpEF) and predominantly postcapillary pulmonary hypertension. Here, we present the effects of sildenafil on cardiac structure and function, cardiopulmonary exercise testing, laboratory parameters and health-related quality of life measures. METHODS AND RESULTS: Fifty-two HFpEF patients with pulmonary hypertension (mean pulmonary artery pressure >25 mmHg; pulmonary artery wedge pressure >15 mmHg) were randomized to sildenafil 60 mg three times a day or placebo and treated for 12 weeks...
November 21, 2016: European Journal of Heart Failure
https://www.readbyqxmd.com/read/27865192/effect-of-targeted-therapy-on-circulating-progenitor-cells-in-precapillary-pulmonary-hypertension
#11
Jéssica García-Lucio, Olga Tura-Ceide, Roberto Del Pozo, Isabel Blanco, Sandra Pizarro, Elisabet Ferrer, Marta Díez, Núria Coll-Bonfill, Lucilla Piccari, Víctor I Peinado, Joan Albert Barberà
BACKGROUND: Endothelial dysfunction is key in the development of pulmonary hypertension (PH) and is associated with reduced number of circulating progenitor cells. Studies to date evaluating levels of circulating progenitor cells in PH have provided conflicting results. Current treatment of pulmonary arterial hypertension (PAH) and medical treatment of chronic thromboembolic pulmonary hypertension (CTEPH) targets endothelium dependent signalling pathways. The effect of PAH-targeted therapy on circulating progenitor cells has not been clearly established...
November 9, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27860259/resp%C3%A4-ratory-muscle-strength-%C3%A4-n-pat%C3%A4-ents-w%C3%A4-th-pulmonary-hypertens%C3%A4-on-the-relat%C3%A4-onsh%C3%A4-p-w%C3%A4-th-exerc%C3%A4-se-capac%C3%A4-ty-phys%C3%A4-cal-act%C3%A4-v%C3%A4-ty-level-and-qual%C3%A4-ty-of-l%C3%A4-fe
#12
Goksen Kuran Aslan, Buket Akıncı, Ipek Yeldan, Gulfer Okumus
INTRODUCTION: Pulmonary hypertension (PH) is characterized by exertional dyspnea, fatigue, chest pain, dizziness, and syncope. Physical activity, peripheral and respiratory muscle strength reduces in pateints with PH. Little is known about respiratory muscle weakness and related outcomes. OBJECTIVES: The aims of the study were to determine respiratory muscle strength and to investigate the relationship between respiratory muscle strength and spirometric measurements, exercise capacity, physical activity level, quality of life, and pulmonary hemodynamics in patients with PH...
November 17, 2016: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/27858232/pulmonary-hypertension-in-heart-failure-patients-pathophysiology-and-prognostic-implications
#13
REVIEW
Marco Guazzi, Valentina Labate
Pulmonary hypertension (PH) due to left heart disease (LHD), i.e., group 2 PH, is the most common reason for increased pressures in the pulmonary circuit. Although recent guidelines incorporate congenital heart disease in this classification, left-sided heart diseases of diastolic and systolic origin including valvular etiology are the vast majority. In these patients, an increased left-sided filling pressure triggers a multistage hemodynamic evolution that ends into right ventricular failure through an initial passive increase in pulmonary artery pressure complicated over time by pulmonary vasoconstriction, endothelial dysfunction, and remodeling of the small-resistance pulmonary arteries...
November 17, 2016: Current Heart Failure Reports
https://www.readbyqxmd.com/read/27854133/focusing-on-developmental-origins-and-disease-inception-for-the-prevention-of-pulmonary-hypertension
#14
Bradley A Maron, Steven H Abman
Despite the growing armamentarium of therapies, pulmonary vascular disease continues to cause significant morbidity and mortality in neonates, children and adults in diverse clinical settings. To address this challenge, a strategic shift is underway that emphasizes disease recognition prior to the onset of clinical signs and symptoms when substantial pulmonary vascular remodeling is already present. Specifically, there is growing interest regarding the i) molecular events that define pulmonary vascular disease inception, ii) range of early cardiopulmonary hemodynamic measures that are associated with adverse outcome, and iii) widening utility of exercise for risk-stratification...
November 17, 2016: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27851698/nitrite-prevents-right-ventricular-failure-and-remodeling-induced-by-pulmonary-artery-banding
#15
Jian Hu, Maryam Sharifi-Sanjani, Stevan P Tofovic
BACKGROUND: Nitrite has been shown to reduce right ventricle (RV) remodeling in experimental pulmonary hypertension. However, whether this effect is due to a reduction in RV afterload (i.e., reduction in pulmonary artery pressure) or a direct effect on the RV itself remains unanswered. We hypothesize that nitrite has direct effects on RV remodeling and studied its effects in mice with pulmonary artery banding (PAB). METHODS AND RESULTS: PAB decreased exercise tolerance, and reduced RV systolic and diastolic function...
November 14, 2016: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/27836751/activation-of-gper-ameliorates-experimental-pulmonary-hypertension-in-male-rats
#16
Allan K Alencar, Guilherme C Montes, Tadeu Montagnoli, Ananssa M Silva, Sabrina T Martinez, Aline G Fraga, Hao Wang, Leanne Groban, Roberto T Sudo, Gisele Zapata-Sudo
RATIONALE: Pulmonary hypertension (PH) is characterized by pulmonary vascular remodeling that leads to pulmonary congestion, uncompensated right-ventricle (RV) failure, and premature death. Preclinical studies have demonstrated that the G protein-coupled estrogen receptor (GPER) is cardioprotective in male rats and that its activation elicits vascular relaxation in rats of either sex. OBJECTIVES: To study the effects of GPER on the cardiopulmonary system by the administration of its selective agonist G1 in male rats with monocrotaline (MCT)-induced PH...
November 9, 2016: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27835955/acute-effects-of-exercise-on-the-inflammatory-state-in-patients-with-idiopathic-pulmonary-arterial-hypertension
#17
Lars Harbaum, Emilia Renk, Sara Yousef, Antonia Glatzel, Nicole Lüneburg, Jan K Hennigs, Tim Oqueka, Hans J Baumann, Djordje Atanackovic, Ekkehard Grünig, Rainer H Böger, Carsten Bokemeyer, Hans Klose
BACKGROUND: Exercise training positively influences exercise tolerance and functional capacity of patients with idiopathic pulmonary arterial hypertension (IPAH). However, the underlying mechanisms are unclear. We hypothesized that exercise modulates the activated inflammatory state found in IPAH patients. METHODS: Single cardiopulmonary exercise testing was performed in 16 IPAH patients and 10 healthy subjects. Phenotypic characterization of peripheral blood mononuclear cells and circulating cytokines were assessed before, directly after and 1 h after exercise...
November 11, 2016: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/27824602/exercise-pulmonary-haemodynamics-predict-outcome-in-patients-with-systemic-sclerosis
#18
Adriana Stamm, Stéphanie Saxer, Mona Lichtblau, Elisabeth D Hasler, Suzana Jordan, Lars C Huber, Konrad E Bloch, Oliver Distler, Silvia Ulrich
The aim of the present study was to investigate the prognostic value of exercise haemodynamics measured during right heart catheterisation (RHC) in patients with systemic sclerosis (SSc) referred for evaluation of pulmonary hypertension.SSc patients undergoing RHC at rest and during maximal supine incremental cycle exercise were grouped into resting precapillary pulmonary hypertension (PHrest) (mean pulmonary artery pressure (mPAP) ≥25 mmHg, pulmonary artery wedge pressure <15 mmHg), exercise-induced pulmonary hypertension (PHex) (mPAP ≥30 mmHg and mPAP/cardiac output >3 mmHg·L(-1)·min(-1) at maximal exercise), and without pulmonary hypertension (PHnone)...
December 2016: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/27818024/exertional-dyspnoea-in-chronic-respiratory-diseases-from-physiology-to-clinical-application
#19
Bruno-Pierre Dubé, François Vermeulen, Pierantonio Laveneziana
Dyspnoea is a complex, highly personalized and multidimensional sensory experience, and its underlying cause and mechanisms are still being investigated. Exertional dyspnoea is one of the most frequently encountered symptoms of patients with cardiopulmonary diseases, and is a common reason for seeking medical help. As the symptom usually progresses with the underlying disease, it can lead to an avoidance of physical activity, peripheral muscle deconditioning and decreased quality of life. Dyspnoea is closely associated with quality of life, exercise (in)tolerance and prognosis in various conditions, including chronic obstructive pulmonary disease, heart failure, interstitial lung disease and pulmonary hypertension, and is therefore an important therapeutic target...
November 3, 2016: Archivos de Bronconeumología
https://www.readbyqxmd.com/read/27817818/clinical-usefulness-of-end-tidal-co2-profiles-during-incremental-exercise-in-patients-with-chronic-thromboembolic-pulmonary-hypertension
#20
R P Ramos, E V M Ferreira, F M Valois, A Cepeda, C M S Messina, R K Oliveira, A T V Araújo, C A Teles, J A Neder, L E Nery, J S Ota-Arakaki
INTRODUCTION: Great ventilation to carbon dioxide output (ΔV˙E/ΔV˙CO2) and reduced end-tidal partial pressures for CO2 (PetCO2) during incremental exercise are hallmarks of chronic thromboembolic pulmonary hypertension (CTEPH) and idiopathic pulmonary arterial hypertension (IPAH). However, CTEPH is more likely to involve proximal arteries, which may lead to poorer right ventricle-pulmonary vascular coupling and worse gas exchange abnormalities. Therefore, abnormal PetCO2 profiles during exercise may be more prominent in patients with CTEPH and could be helpful to indicate disease severity...
November 2016: Respiratory Medicine
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