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Procedure: Cardiac Catheterization

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Total 708 results found since Jan 2013.

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

Aortic regurgitation following transcatheter aortic valve replacement: Impact of preprocedural left ventricular diastolic filling patterns on late clinical outcomes
ConclusionsPreprocedural impairment of LV filling, reflected by short DT, portends an adverse prognosis in TAVR patients who develop ARpost independently of other clinical and echocardiocardigraphic measures including AS severity and systolic LV function. © 2015 Wiley Periodicals, Inc.
Source: Catheterization and Cardiovascular Interventions - November 3, 2015 Category: Cardiovascular & Thoracic Surgery Authors: Amir Halkin, Arie Steinvil, Galit Aviram, Simon Biner, Shmuel Banai, Gad Keren, Ariel Finkelstein, Yan Topilsky Tags: Valvular and Structural Heart Diseases Source Type: research

Echocardiographic determinants of LV functional improvement after transcatheter aortic valve replacement
ConclusionsIn patients undergoing TAVR with depressed LV function, those who failed to improve were more likely to have relatively higher LVEF, SV, and SVI; and lower E, E/E′, and PASP at baseline. Mortality rates were found to be higher in persistent LV dysfunction group. © 2015 Wiley Periodicals, Inc.
Source: Catheterization and Cardiovascular Interventions - November 19, 2015 Category: Cardiovascular & Thoracic Surgery Authors: Jinling Chen, Nasir Nawaz, Zachary Fox, Caroline Komlo, Saif Anwaruddin, Nimesh Desai, Dinesh Jagasia, Howard C. Herrmann, Yuchi Han Tags: Valvular and Structural Heart Diseases Source Type: research

iPSC‐derived human cardiac progenitor cells improve ventricular remodelling via angiogenesis and interstitial networking of infarcted myocardium
Abstract We investigate the effects of myocardial transplantation of human induced pluripotent stem cell (iPSC)‐derived progenitors and cardiomyocytes into acutely infarcted myocardium in severe combined immune deficiency mice. A total of 2 × 105 progenitors, cardiomyocytes or cell‐free saline were injected into peri‐infarcted anterior free wall. Sham‐operated animals received no injection. Myocardial function was assessed at 2‐week and 4‐week post‐infarction by using echocardiography and pressure‐volume catheterization. Early myocardial remodelling was observed at 2‐week with echocardiography derived st...
Source: Journal of Cellular and Molecular Medicine - November 27, 2015 Category: Molecular Biology Authors: KP Myu Mia Ja, Qingfeng Miao, Nicole Gui Zhen Tee, Sze Yun Lim, Manasi Nandihalli, Chrishan J.A. Ramachandra, Ashish Mehta, Winston Shim Tags: Original Article Source Type: research

iPSC-derived human cardiac progenitor cells improve ventricular remodelling via angiogenesis and interstitial networking of infarcted myocardium.
Abstract We investigate the effects of myocardial transplantation of human induced pluripotent stem cell (iPSC)-derived progenitors and cardiomyocytes into acutely infarcted myocardium in severe combined immune deficiency mice. A total of 2 × 10(5) progenitors, cardiomyocytes or cell-free saline were injected into peri-infarcted anterior free wall. Sham-operated animals received no injection. Myocardial function was assessed at 2-week and 4-week post-infarction by using echocardiography and pressure-volume catheterization. Early myocardial remodelling was observed at 2-week with echocardiography derived stroke vo...
Source: J Cell Mol Med - November 27, 2015 Category: Molecular Biology Authors: Ja KM, Miao Q, Zhen Tee NG, Lim SY, Nandihalli M, J A Ramachandra C, Mehta A, Shim W Tags: J Cell Mol Med 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

Neuropsychological Status and Structural Brain Imaging in Adolescents With Single Ventricle Who Underwent the Fontan Procedure Congenital Heart Disease
Conclusions The neuropsychological deficits and high frequencies of structural brain abnormalities in adolescents who underwent the Fontan procedure highlight the need for research on interventions to improve the long-term outcomes in this high-risk group.
Source: JAHA:Journal of the American Heart Association - December 14, 2015 Category: Cardiology Authors: Bellinger, D. C., Watson, C. G., Rivkin, M. J., Robertson, R. L., Roberts, A. E., Stopp, C., Dunbar-Masterson, C., Bernson, D., DeMaso, D. R., Wypij, D., Newburger, J. W. Tags: Congenital Heart Disease 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

Transcatheter valve‐in‐ring implantation of a repositionable valve system for treatment of severe mitral regurgitation
ConclusionTransapical valve‐in‐ring implantation of the repositionable Lotus valve system in the mitral position is a feasible and promising option that merits further evaluation. © 2015 Wiley Periodicals, Inc.
Source: Catheterization and Cardiovascular Interventions - December 23, 2015 Category: Cardiovascular & Thoracic Surgery Authors: Michael Lauterbach, Bruno Sontag, Alexandros Paraforos, Ivar Friedrich, Karl‐Eugen Hauptmann Tags: Valvular and Structural Heart Diseases Source Type: research

SCAI expert consensus statement—executive summary evaluation, management, and special considerations of cardio‐oncology patients in the cardiac catheterization laboratory
In the United States alone, there are currently approximately 14.5 million cancer survivors, and this number is expected to increase to 20 million by 2020. Cancer therapies can cause significant injury to the vasculature, resulting in angina, acute coronary syndromes (ACS), stroke, critical limb ischemia, arrhythmias, and heart failure, independently from the direct myocardial or pericardial damage from the malignancy itself. Consequently, the need for invasive evaluation and management in the cardiac catheterization laboratory (CCL) for such patients has been increasing. In recognition of the need for a document on specia...
Source: Catheterization and Cardiovascular Interventions - December 23, 2015 Category: Cardiovascular & Thoracic Surgery Authors: Cezar Iliescu, Cindy L. Grines, Joerg Herrmann, Eric H. Yang, Mehmet Cilingiroglu, Konstantinos Charitakis, Abdul Hakeem, Konstantinos Toutouzas, Massoud A. Leesar, Konstantinos Marmagkiolis Tags: Coronary Artery Disease Source Type: research

Arterial access site and outcomes in patients undergoing percutaneous coronary intervention with and without vorapaxar
ConclusionsTransradial access was associated with lower bleeding rates and similar long‐term ischemic outcomes, suggesting transradial access is safer than transfemoral access among ACS patients receiving potent antiplatelet therapies. Because of the nonrandomized allocation of arterial access, these results should be considered exploratory. © 2015 Wiley Periodicals, Inc.
Source: Catheterization and Cardiovascular Interventions - December 23, 2015 Category: Cardiovascular & Thoracic Surgery Authors: Jean‐Pierre Déry, Kenneth W. Mahaffey, Pierluigi Tricoci, Harvey D. White, Mohua Podder, Cynthia M. Westerhout, David J. Moliterno, Robert A. Harrington, Edmond Chen, John Strony, Frans Van de Werf, Khaled M. Ziada, Claes Held, Philip E. Aylward, Paul Tags: Coronary Artery Disease Source Type: research