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Condition: Hypertension
Procedure: Cardiac Catheterization

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Total 178 results found since Jan 2013.

Neurology: Images in Clinical Medicine
Editor: V. Dimov, M.D., Cleveland ClinicHypoglossal Nerve Palsy during Meningococcal Meningitis. NEJM, 10/2014.Absent Superficial Abdominal Reflex due to thoracic spinal cord neuromyelitis. NEJM, 05/2014.Kayser-Fleischer Rings in Wilson ' s Disease. NEJM, 03/2012.Perilymph Fistula Test leads to nystagmus. NEJM, 01/2012.A stray bullet in the brain - with no deficit of power, cognition, sense of touch, or speech. Lancet, 01/2012.Blindness after Fat Injections. NEJM, 12/2011.Internal-Carotid-Artery Dissection and Cranial-Nerve Palsies. NEJM, 12/2011.A Head Shot. NEJM, 12/2011.Multiple Intracranial Tuberculomas. NEJM, 10/2011....
Source: Clinical Cases and Images - August 22, 2009 Category: General Medicine Tags: Images Neurology Source Type: news

Renal implications of pulmonary arterial capacitance in acute heart failure with preserved ejection fraction.
Authors: Toroghi HM, Lo KB, Ziccardi MR, Horn B, Kanjanahattakij N, Malik E, Penalver J, Rangaswami J, Gupta S, Amanullah A Abstract Worsening renal function in patients with heart failure with preserved ejection fraction is associated with poor outcomes. Pulmonary arterial capacitance is a novel right heart catheterization derived hemodynamic metric representing pulmonary arterial tree distensibility and right ventricle afterload. Given the strong association between heart failure, pulmonary hypertension, and kidney function, the goal of this study is to investigate the correlation between Pulmonary arterial capac...
Source: Reviews in Cardiovascular Medicine - January 10, 2020 Category: Cardiology Tags: Rev Cardiovasc Med Source Type: research

When it all comes down to pressure: right ventricular ejection fraction at cardiac catheterisation
In the present issue of the European Respiratory Journal, Heerdt et al. [1] report on the validation of right ventricularejection fraction (RVEF) calculated from a pressure curve at cardiac catheterisation. This is of great interest as right ventricular (RV) function is the main determinant of symptomatology and outcome in pulmonary hypertension [2], and RVEF accordingly adds significantly to risk stratification in these patients [3]. However, ejection fraction (EF) is a ratio of stroke volume (SV) to end-diastolic volume (EDV), with no pressure in the equation. So, how is it possible to calculate a volume ratio from pressure measurements?
Source: European Respiratory Journal - March 11, 2020 Category: Respiratory Medicine Authors: Naeije, R., Richter, M. J., Vanderpool, R., Tello, K. Tags: Editorials Source Type: research

Pulmonary vascular and right ventricular burden during exercise in interstitial lung disease.
CONCLUSIONS: ILD with resting and exercise PH is associated with increased exercise RV work, reduced pulmonary vascular reserve and reduced peak VO2. The findings highlight the role of pulmonary vascular and RV burden to ILD exercise limit. PMID: 32173491 [PubMed - as supplied by publisher]
Source: Chest - March 11, 2020 Category: Respiratory Medicine Authors: Oliveira RKF, Waxman AB, Hoover PJ, Dellaripa PF, Systrom DM Tags: Chest Source Type: research

Risk assessment in PAH using quantitative CMR tricuspid regurgitation: relation to heart catheterization
ConclusionsA clear trend towards worse outcome with larger TRV or TR% was shown; however, the number of events was insufficient for significant outcome differences. Prognostic value of quantitative TR should be investigated in a larger multicentre cohort. Effective RV ejection fraction may be considered an improved measure of RV function in PAH.
Source: ESC Heart Failure - May 5, 2020 Category: Cardiology Authors: Erik Hedstr öm, Anna Bredfelt, Göran Rådegran, Håkan Arheden, Ellen Ostenfeld Tags: Original Research Article Source Type: research

Elevated plasma endocan and BOC in heart failure patients decrease after heart transplantation in association with improved hemodynamics
ConclusionOur results suggest that (i) plasma endocan in HF may reflect the state of pulmonary vascular congestion and PH-LHD, whereas (ii) plasma BOC may reflect the cardiac function and the hemodynamic overload in HF. The exact role of these proteins and their clinical applicability as biomarkers in HF and PH-LHD ought to be investigated in larger cohorts.
Source: Heart and Vessels - July 9, 2020 Category: Cardiology Source Type: research

High Right Ventricular Afterload Is Associated with Impaired Exercise Tolerance in Patients with Left Ventricular Assist Devices
Patients with left ventricular assist device (LVAD) have poor exercise tolerance. We aimed to characterize relationship between right ventricular (RV) afterload and exercise capacity, RV reserve, and adaptation to load. Twelve well-compensated LVAD subjects underwent right heart catheterization at rest and during symptom-limited exercise. Cardiopulmonary exercise tests were also performed. Hemodynamics were compared with age- and sex-matched subjects with pulmonary arterial hypertension (PAH) and normal non-athletes. Hemodynamic changes were expressed as Δ(exercise − rest). At rest, LVAD subjects had normal biventricula...
Source: ASAIO Journal - December 23, 2020 Category: Medical Devices Tags: Adult Circulatory Support Source Type: research

Comparison of levosimendan, NO, and inhaled iloprost for pulmonary hypertension reversibility assessment in heart transplant candidates
ConclusionsLevosimendan may be a safe and effective alternative for pulmonary hypertension reversibility assessment or a valuable pre ‐test medical optimization tool in end‐stage heart failure patient assessment for heart transplantation offering extended haemodynamic benefits. Whether it increases the rate of positive responses or allows a better selection of candidates to heart transplantation remains to be established.
Source: ESC Heart Failure - February 23, 2021 Category: Cardiology Authors: Marta Tavares ‐Silva, Francisca Saraiva, Roberto Pinto, Sandra Amorim, João Carlos Silva, Adelino F. Leite‐Moreira, Maria Júlia Maciel, André P. Lourenço Tags: Original Research Article Source Type: research

Indication of the prognosis of pulmonary hypertension by using CMR function parameters
ConclusionCHD-PH had a higher RV function reserve but lowest LVEF comparing to other subgroups. TAPSE and LVSVI could contribute to the prediction of MACE in PH patients.Key Points• CMR imaging is a noninvasive and accurate tool to assess ventricular function.• CHD-PH had higher RV function reserve but lowest LVEF.• TAPSE and LVSVI could contribute to the prediction of MACE in PH patients.
Source: European Radiology - March 18, 2021 Category: Radiology Source Type: research

Cardiovascular magnetic resonance predicts all-cause mortality in pulmonary hypertension associated with heart failure with preserved ejection fraction
This study aimed to determine the prognostic value of cardiovascular magnetic resonance (CMR) in patients with heart failure with preserved ejection fraction and associated pulmonary hypertension (pulmonary hypertension-HFpEF). Patients with pulmonary hypertension-HFpEF were recruited from the ASPIRE registry and underwent right heart catheterisation (RHC) and CMR. On RHC, the inclusion criteria was a mean pulmonary artery pressure (MPAP) ≥ 25 mmHg and pulmonary arterial wedge pressure > 15 mmHg and, on CMR, a left atrial volume > 41 ml/m2 with left ventricular ejection fraction > 50%. Cox r...
Source: The International Journal of Cardiovascular Imaging - May 12, 2021 Category: Radiology Source Type: research

Metalloproteinases and Their Inhibitors Are Associated with Pulmonary Arterial Stiffness and Ventricular Function in Pediatric Pulmonary Hypertension
Am J Physiol Heart Circ Physiol. 2021 Jun 4. doi: 10.1152/ajpheart.00750.2020. Online ahead of print.ABSTRACTDisturbed balance between matrix metalloproteinases (MMPs) and their respective tissue inhibitors (TIMPs) is a well-recognized pathophysiologic component of pulmonary arterial hypertension (PAH). Both classes of proteases have been associated with clinical outcomes as well as with specific pathologic features of ventricular dysfunction and pulmonary arterial remodeling. The purpose of this study was to evaluate the circulating levels of MMPs and TIMPs in children with PAH undergoing the same day cardiac MRI and righ...
Source: American Journal of Physiology. Heart and Circulatory Physiology - June 4, 2021 Category: Physiology Authors: Michal Schafer D Dunbar Ivy Kathleen Nguyen Katie L Boncella Benjamin S Frank Gareth J Morgan Kathleen Miller-Reed Uyen Truong Kelley L Colvin Michael E Yeager Source Type: research

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