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Condition: Stroke
Procedure: Cardiac Catheterization

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Total 708 results found since Jan 2013.

Acute absolute vasodilatation is associated with a lower vascular wall stiffness in pulmonary arterial hypertension
Abstract: Background: Acute vasoreactivity testing (VT) is considered mandatory in the diagnostic work-up of patients with pulmonary arterial hypertension (PAH). We studied the relation between the acute absolute arterial vasodilatation and the severity of vascular remodeling estimated by intravascular ultrasound (IVUS) in patients with idiopathic PAH.Methods: Simultaneous right heart catheterization and IVUS of the pulmonary artery (PA) were performed both in basal conditions and during short-term intravenous epoprostenol infusion in nineteen idiopathic PAH patients. Pulmonary vascular resistance (PVRi) and capacitance in...
Source: International Journal of Cardiology - July 26, 2011 Category: Cardiology Authors: Juan C. Grignola, Enric Domingo, Rio Aguilar, Manuel Vázquez, Manuel López-Messeguer, Carlos Bravo, Antonio Roman Tags: Original Articles Source Type: research

Relationship of Right- to Left-Sided Ventricular Filling Pressures in Advanced Heart Failure: Insights From the ESCAPE Trial Original Articles
Conclusions— Increased RAP/PCWP ratio was associated with higher pulmonary vascular resistance, reduced RV function (manifest as a larger right atrium and ventricle and lower RV stroke work index), and an increased risk of adverse outcomes in patients with advanced heart failure.
Source: Circulation: Heart Failure - March 19, 2013 Category: Cardiology Authors: Drazner, M. H., Velez-Martinez, M., Ayers, C. R., Reimold, S. C., Thibodeau, J. T., Mishkin, J. D., Mammen, P. P. A., Markham, D. W., Patel, C. B. Tags: Other heart failure Original Articles Source Type: research

Transcatheter aortic valve implantation without balloon pre‐dilation: A single‐center pilot experience
Conclusions: These results suggest that direct CoreValve implantation in patients with severe aortic stenosis is feasible and may lead to hemodynamic and clinical improvement in patients who are poor candidates for aortic valve surgery, pending confirmation in larger series with longer follow‐up. © 2013 Wiley‐Liss, Inc.
Source: Catheterization and Cardiovascular Interventions - April 1, 2013 Category: Cardiovascular & Thoracic Surgery Authors: Oscar A Mendiz, Hugo Fraguas, Gustavo A Lev, Leon R Valdivieso, Roberto R Favaloro Tags: Original Study Source Type: research

Transcatheter aortic valve implantation without balloon predilation: A single‐center pilot experience
ConclusionsThese results suggest that direct CoreValve implantation in patients with severe aortic stenosis is feasible and may lead to hemodynamic and clinical improvement in patients who are poor candidates for aortic valve surgery, pending confirmation in larger series with longer follow‐up. © 2013 Wiley Periodicals, Inc.
Source: Catheterization and Cardiovascular Interventions - April 18, 2013 Category: Cardiovascular & Thoracic Surgery Authors: Oscar A. Mendiz, Hugo Fraguas, Gustavo A. Lev, Leon R. Valdivieso, Roberto R. Favaloro Tags: Valvular and Structural Heart Diseases Source Type: research

Long-Term Outcomes After Invasive Management for Older Patients With Non-ST-Segment Elevation Myocardial Infarction Original Articles
Conclusions— Older patients with non–ST-segment elevation MI with significant coronary disease face high long-term risks for mortality and nonfatal cardiovascular outcomes after early catheterization that differ by type of revascularization procedure performed. These findings can help guide the design of studies evaluating long-term therapies among elderly post-MI patients.
Source: Circulation: Cardiovascular Quality and Outcomes - May 21, 2013 Category: Cardiology Authors: Roe, M. T., Li, S., Thomas, L., Wang, T. Y., Alexander, K. P., Ohman, E. M., Peterson, E. D. Tags: Catheter-based coronary interventions: stents, Acute coronary syndromes, Acute myocardial infarction Original Articles Source Type: research

Abstract 47: Presentation and Outcomes of Women Veterans with Suspected Ischemia and Nonobstructive Coronary Artery Disease: Insights from the VA Clinical Assessment Reporting and Tracking Program. Poster Session I
Conclusion: Between October 2007 and September 2011, 23% of women veterans undergoing catheterization for suspected ischemia had non-obstructive CAD. In contrast to non-VA studies, adverse clinical outcomes and re-hospitalization rates for chest pain were less frequent. These findings may represent systematic differences in treatment and follow-up care of women veterans between VA and non-VA healthcare systems.
Source: Circulation: Cardiovascular Quality and Outcomes - May 15, 2013 Category: Cardiology Authors: Nkonde-Price, C., Plomondon, M., Maddox, T. M., Rumsfeld, J., Duvernoy, C. Tags: Poster Session I Source Type: research

Impact of glomerular filtration rate on clinical outcomes following carotid artery revascularization in 11,832 patients from the care registry®
Conclusions: CKD patients have a greater number of comorbidities, and worse unadjusted in‐hospital and 30‐day outcomes, CKD was not, however, an independent predictor of in‐hospital and 30‐day outcomes after carotid artery revascularization. © 2013 Wiley Periodicals, Inc.
Source: Catheterization and Cardiovascular Interventions - July 1, 2013 Category: Cardiovascular & Thoracic Surgery Authors: Luis Gruberg, Allen Jeremias, John H. Rundback, H. Vernon Anderson, John A. Spertus, Kevin F. Kennedy, Kenneth A. Rosenfield Tags: Original Study Source Type: research

Results of percutaneous closure of patent foramen ovale with the GORE® septal occluder
ConclusionPFO closure with the GSO is accompanied by a high technical success rate and closure rates similar to other currently used devices. The incidence of AF was higher than reported with most other devices. This may be a chance finding but warrants further investigation in larger trials. © 2013 Wiley Periodicals, Inc.
Source: Catheterization and Cardiovascular Interventions - January 20, 2014 Category: Cardiovascular & Thoracic Surgery Authors: Meike Knerr, Stefan Bertog, Laura Vaskelyte, Ilona Hofmann, Horst Sievert Tags: Valvular and Structural Heart Diseases Source Type: research

Right ventricular dysfunction in chronic thromboembolic obstruction of the pulmonary artery: a pressure-volume study using the conductance catheter
Pressure-volume loops describe dynamic ventricular performance, relevant to patients with and at risk of pulmonary hypertension. We used conductance catheter-derived pressure-volume loops to measure right ventricular (RV) mechanics in patients with chronic thromboembolic pulmonary arterial obstruction at different stages of pathological adaptation. Resting conductance catheterization was performed in 24 patients: 10 with chronic thromboembolic pulmonary hypertension (CTEPH), 7 with chronic thromboembolic disease without pulmonary hypertension (CTED), and 7 controls. To assess the validity of conductance measurements, RV vo...
Source: Journal of Applied Physiology - February 15, 2014 Category: Physiology Authors: McCabe, C., White, P. A., Hoole, S. P., Axell, R. G., Priest, A. N., Gopalan, D., Taboada, D., MacKenzie Ross, R., Morrell, N. W., Shapiro, L. M., Pepke-Zaba, J. Tags: ARTICLES Source Type: research

Feasibility and safety of transfemoral implantation of Edwards SAPIEN XT prosthesis without balloon valvuloplasty in severe stenosis of native aortic valve
ConclusionsDirect implantation of Edwards SAPIEN XT without prior BV in selected cases is feasible and safe. The number of patients in whom this technique would be applicable, and their impact on reducing complications has to be determined. © 2013 Wiley Periodicals, Inc.
Source: Catheterization and Cardiovascular Interventions - November 8, 2013 Category: Cardiovascular & Thoracic Surgery Authors: Eulogio García, Patricia Martín, Rosana Hernández, Victor Rodríguez, Abelardo Fernández, Vasco Gama, Carlos Almería, Carlos Macaya Tags: Valvular and Structural Heart Diseases Source Type: research

Impact of Glomerular filtration rate on clinical outcomes after carotid artery revascularization in 11,832 patients from the CARE registry
ConclusionsPatients with CKD have a greater number of comorbidities and worse unadjusted in‐hospital and 30‐day outcomes; CKD was not, however, an independent predictor of in‐hospital and 30‐day outcomes after carotid artery revascularization. © 2013 Wiley Periodicals, Inc.
Source: Catheterization and Cardiovascular Interventions - May 3, 2014 Category: Cardiovascular & Thoracic Surgery Authors: Luis Gruberg, Allen Jeremias, John H. Rundback, H. Vernon Anderson, John A. Spertus, Kevin F. Kennedy, Kenneth A. Rosenfield Tags: Original Studies Source Type: research

Prevalence and predictors of carotid artery stenosis in patients with severe aortic stenosis undergoing transcatheter aortic valve implantation
Conclusions: The prevalence of CAS in patients undergoing TAVI is high, exceeding that observed in patients undergoing catheterization for coronary indications. The impact of CAS on clinical outcomes following TAVI merits further research. © 2014 Wiley Periodicals, Inc.
Source: Catheterization and Cardiovascular Interventions - June 27, 2014 Category: Cardiovascular & Thoracic Surgery Authors: Arie Steinvil, Eran Leshem‐Rubinow, Yigal Abramowitz, Yacov Shacham, Yaron Arbel, Shmuel Banai, Natan M. Bornstein, Ariel Finkelstein, Amir Halkin Tags: Original Studies Source Type: research

Abstract 132: The POWR Survey: Patient and Physician Perspectives on Outcomes Weighting in Revascularization. Session Title: Poster Session I
Conclusions: Patients and physicians agree on which outcomes are most (death and stroke)and least impactful (incision scar), but there is a lot of variability in between supporting the reporting of more adverse outcomes and not just those included in MACE.
Source: Circulation: Cardiovascular Quality and Outcomes - June 2, 2014 Category: Cardiology Authors: Pandit, J. A., Gupta, V., Boyer, N., Ports, T. A., Yeghiazarians, Y., Boyle, A. J. Tags: Session Title: Poster Session I Source Type: research

Effect of Acute Arteriolar Vasodilation on Capacitance and Resistance in Pulmonary Arterial Hypertension.
Conclusions: In vasoresponsive PAH, PVC is a function of the pressure response of the vasoconstricted arterioles to stroke volume. Immediately upon vasodilation, the capacitance increases markedly. The compliance vessels are thus the same as the resistance vessels. The immediate reduction in Pa pressure during NO suggests that large vessel remodeling is not a major contributor to systolic pressure in these patients. PMID: 25340330 [PubMed - as supplied by publisher]
Source: Chest - October 23, 2014 Category: Respiratory Medicine Authors: Newman JH, Brittain EL, Robbins IM, Hemnes AR Tags: Chest Source Type: research

Prostanoids But Not Oral Therapies Improve Right Ventricular Function in Pulmonary Arterial Hypertension
Conclusions Right ventricular function improves after therapy with regimens including prostanoids but not oral-only regimens. Patients with the least compensated RV function at diagnosis might derive the most benefit from therapy. Larger studies are needed to determine whether changes in RVSWI after therapy are associated with outcomes.
Source: JACC: Heart Failure - November 3, 2014 Category: Cardiology Source Type: research