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Condition: Hypertension
Procedure: Cardiac Catheterization

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Total 178 results found since Jan 2013.

RV-pulmonary arterial coupling predicts outcome in patients referred for pulmonary hypertension
Conclusions The adequacy of RV functional adaptation to afterload predicts survival in patients referred for PH. Whether this can simply be evaluated using RV volumetric imaging will require additional confirmation.
Source: Heart - December 12, 2014 Category: Cardiology Authors: Vanderpool, R. R., Pinsky, M. R., Naeije, R., Deible, C., Kosaraju, V., Bunner, C., Mathier, M. A., Lacomis, J., Champion, H. C., Simon, M. A. Tags: Hypertension Pulmonary vascular disease Source Type: research

Differential Hemodynamic Effects of Exercise and Volume Expansion in People With and Without Heart Failure Original Articles
Conclusions— Exercise elicits greater pulmonary capillary wedge pressure elevation compared with saline in HFpEF but not controls, suggesting that hemodynamic stresses beyond passive stiffness and increased venous return explain the development of pulmonary venous hypertension in HFpEF. Exercise testing is more sensitive than saline loading to detect hemodynamic derangements indicative of HFpEF. Clinical Trial Registration— URL: http://www.clinicaltrials.gov. Unique identifier: NCT01418248.
Source: Circulation: Heart Failure - January 20, 2015 Category: Cardiology Authors: Andersen, M. J., Olson, T. P., Melenovsky, V., Kane, G. C., Borlaug, B. A. Tags: Congestive, Exercise testing, Other diagnostic testing Original Articles Source Type: research

Right ventricular reserve in a piglet model of chronic pulmonary hypertension
Right ventricular (RV) response to exercise or pharmacological stress is not well documented in pulmonary hypertension (PH). We investigated the relationship between RV reserve and ventricular–arterial coupling. Surgical ligation of the left pulmonary artery was performed in 13 Large White piglets (PH group), thereafter weekly embolisations of the right lower lobe were performed for 5 weeks. A control group of six piglets underwent sham procedures. Right heart catheterisation and echocardiography were performed at week 6. Pressure–volume loops were recorded before and after dobutamine infusion. Induction o...
Source: European Respiratory Journal - February 28, 2015 Category: Respiratory Medicine Authors: Guihaire, J., Haddad, F., Noly, P.-E., Boulate, D., Decante, B., Dartevelle, P., Humbert, M., Verhoye, J.-P., Mercier, O., Fadel, E. Tags: Pulmonary vascular disease Original Articles: Pulmonary vascular diseases Source Type: research

Association of Right Atrial Mechanics with Hemodynamics and Physical Capacity in Patients with Idiopathic Pulmonary Arterial Hypertension: Insight from a Single‐Center Cohort in Northern Sweden
ConclusionRight atrium mechanics not only correlate well with RHC‐obtained hemodynamics, but also correlate with functional capacity in treatment‐naive IPAH.
Source: Echocardiography - June 1, 2015 Category: Cardiology Authors: Samir Kanti Saha, Stefan Söderberg, Per Lindqvist Tags: Original Investigation Source Type: research

Apelin improves cardiac output in patients with pulmonary arterial hypertension
Conclusion: Acute apelin administration in patients with PAH led to an improvement in cardiac output and pulmonary vascular resistance. APJ agonism may be a useful therapeutic target for treatment of PAH.
Source: European Respiratory Journal - October 30, 2015 Category: Respiratory Medicine Authors: Brash, L., Barnes, G., Brewis, M., Church, C., Gibbs, S., Howard, L., Johnson, M., McGlinchey, N., Simpson, J., Stirrat, C., Thomson, S., Watson, G., Welsh, D., Wilkins, M., Newby, D., Peacock, A. Tags: 4.3 Pulmonary Circulation and Pulmonary Vascular Disease Source Type: research

Left ventricular-arterial coupling and cardiac remodeling in patients with idiopathic arterial pulmonary hypertension
Conclusions: The reduction of LVAC as the key feature of right heart remodeling was observed in patients with IPAH with dilated RV and decreased right ventricular ejection fraction.
Source: European Respiratory Journal - October 30, 2015 Category: Respiratory Medicine Authors: Dadacheva, Z., Belevskaya, A., Saidova, M., Martynyuk, T., Chazova, I. Tags: 4.3 Pulmonary Circulation and Pulmonary Vascular Disease Source Type: research

Hemodynamic profiles in patients with chronic thromboembolic disease before and after pulmonary endarterectomy
Conclusions: Our observations point to an abnormal pulmonary vascular response to exercise and a decreased ventilatory efficiency as mechanisms underlying the exercise limitation observed in CTE patients. PEA resulted in improvements in circulatory responses indicative for an improved stroke volume response upon exercise and ventilatory efficiency.
Source: European Respiratory Journal - October 30, 2015 Category: Respiratory Medicine Authors: Van Kan, C., Van der Plas, M., Reesink, H., Van Steenwijk, R., Tepaske, R., Kloek, J., Bresser, P. Tags: 4.3 Pulmonary Circulation and Pulmonary Vascular Disease Source Type: research

Accuracy of impedance cardiography to measure cardiac output at rest in pulmonary hypertension
Conclusion: This pilot study validates the measurement of CO by IP in patients with PH (group 1 or 4). This suggests a potential role of the non-invasive IP in the follow up of PH patients.
Source: European Respiratory Journal - October 30, 2015 Category: Respiratory Medicine Authors: Noel-Savina, E., Tetu, L., Prevot, G., Dupuis, M., Pillard, F., Riviere, D., Didier, A. Tags: 4.3 Pulmonary Circulation and Pulmonary Vascular Disease Source Type: research

Upfront combination therapy in the treatment of scleroderma-associated pulmonary arterial hypertension: Results of an open label trial
Conclusions: Upfront combination therapy resulted in significant changes in hemodynamics, RV structure and function, and RV-pulmonary vascular coupling as well as functional status at 36 weeks of therapy. When compared to previous clinical trials, these data suggest initial combination therapy is very effective for SSc-PAH.
Source: European Respiratory Journal - October 30, 2015 Category: Respiratory Medicine Authors: Hassoun, P., Zamanian, R., Damico, R., Khair, R., Kolb, T., Tedford, R., Hulm, O., Pisanello, C., Sato, T., Corona-Villalobos, C., Zimmerman, S., Gashouta, M., Minai, O., Torres, F., Chin, K., Girgis, R., Mathai, S. Tags: 4.3 Pulmonary Circulation and Pulmonary Vascular Disease Source Type: research

Hemodynamic changes with high infusion rates of lipid emulsion. Experimental study in swine.
CONCLUSION: In doses used for drug-related toxicity, lipid emulsion cause significant hemodynamic changes with hypertension, particularly in the pulmonary circulation and increase in vascular resistance, which is a factor to consider prior to use of these solutions. PMID: 26647790 [PubMed - in process]
Source: Acta Cirurgica Brasileira - November 1, 2015 Category: Surgery Authors: Udelsmann A, Melo Mde S Tags: Acta Cir Bras Source Type: research

Incremental Value of the CRUSADE, ACUITY, and HAS-BLED Risk Scores for the Prediction of Hemorrhagic Events After Coronary Stent Implantation in Patients Undergoing Long or Short Duration of Dual Antiplatelet Therapy Coronary Heart Disease
Conclusions Our analysis suggests that the CRUSADE score predicts major bleeding similarly to ACUITY and better than HAS BLED in an all-comer population with percutaneous coronary intervention and potentially identifies patients at higher risk of hemorrhagic complications when treated with a long-term dual antiplatelet therapy regimen. Clinical Trial Registration URL: http://clinicaltrials.gov. Unique identifier: NCT00611286.
Source: JAHA:Journal of the American Heart Association - December 7, 2015 Category: Cardiology Authors: Costa, F., Tijssen, J. G., Ariotti, S., Giatti, S., Moscarella, E., Guastaroba, P., De Palma, R., Ando, G., Oreto, G., Zijlstra, F., Valgimigli, M. Tags: Coronary Heart Disease Source Type: research

STEMI vs NSTEACS management trends in non-invasive hospital
Conclusion NSTEACS patients in western province of KSA present at an older age are mostly males and have higher prevalence of hypertension and hyperlipidemia compared with STEMI patients. It is therefore important to identify patients with high-risk profile and put implement measures to reduce these factors.
Source: Indian Heart Journal - January 14, 2016 Category: Cardiology Source Type: research

Right ventricular outflow tract velocity time integral (RVOT VTI) and tricuspid regurgitation velocity/RVOT VTI ratio in pediatric pulmonary hypertension
Doppler echocardiography is a simple method of assessing hemodynamics in patients with pulmonary hypertension (PH). Determination of the right ventricular outflow tract velocity time integral (RVOT VTI) is a part of the non-invasive investigation of pulmonary flow in adults [1,2]. The normal range of RVOT VTI in adults is stable, and differences serve as indicators for changes in RV stroke volume. In children, non-invasive techniques to assess pulmonary blood flow are of interest because such investigations do not require invasive cardiac catheterization (CC) that is not without risk in PH children [3].
Source: International Journal of Cardiology - March 23, 2016 Category: Cardiology Authors: Martin Koestenberger, Alexander Avian, Gernot Grangl, Ante Burmas, Stefan Kurath-Koller, Georg Hansmann Tags: Correspondence Source Type: research

Survival protection by bodyweight in isolated scleroderma-related pulmonary artery hypertension
Abstract In chronic heart failure (CHF) due to systemic cardiovascular disease, obese patients have better survival. Bodyweight versus survival was analyzed post hoc in subjects with limited scleroderma (SSc) and isolated pulmonary artery hypertension (PAH), i.e. with CHF due to pulmonary vascular disease. Rheumatologists referred scleroderma subjects for evaluation, and PAH was ascertained by right heart catheterization (RHC). Forty-nine SSc-PAH subjects were stratified by body mass index (BMI): obese 7 (14.3 %), overweight 11 (22.4 %), normal weight 21 (42.9 %), and underweight 10 (20.4 %) for 24-month follo...
Source: Internal and Emergency Medicine - April 5, 2016 Category: Emergency Medicine Source Type: research

Prognostic value of right ventricular ejection/filling parameters in IPAH using cardiac magnetic resonance: A prospective pilot study
Conclusion CMR‐derived RV TPER and TPER/TCC can reflect RV early systolic function, and may be promising predictors for long‐term prognosis in IPAH patients.
Source: Respirology - July 22, 2016 Category: Respiratory Medicine Authors: Wen Li, Tao Yang, Yan Zhang, Qing Gu, Zhi ‐Hong Liu, Xin‐Hai Ni, Qin Luo, Chang‐Ming Xiong, Jian‐Guo He Tags: Original Article Source Type: research