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https://www.readbyqxmd.com/read/29139550/long-term-clinical-and-echocardiographic-outcomes-of-mitraclip-therapy-in-patients-non-responders-to-cardiac-resynchronization
#1
Valerio L Giaimo, Paolo Zappulla, Arianna Cirasa, Donatella Tempio, Maria Sanfilippo, Giulia Rapisarda, Danilo Trovato, Angelo Di Grazia, Claudio Liotta, Carmelo Grasso, Davide Capodanno, Corrado Tamburino, Valeria Calvi
OBJECTIVES: This study deals clinical and echocardiographic outcomes in cardiac resynchronization therapy (CRT) non-responders patients undergoing Mitraclip procedure. BACKGROUND: Functional mitral regurgitation (FMR) occurs in approximately one-third of heart failure (HF) patients. Resynchronization therapy may correct FMR in patients with HF, however significant FMR persists in 20-25% of CRT patients. METHODS: All patients included were previously treated with CRT for at least 6 months and remained classified as New York Heart Association (NYHA) functional class III or IV despite optimal medical therapy; the echocardiographic assessment showed lack of decrease of the left ventricular end systolic volume (LVESV) of at least 10% and residual moderate-to-severe or severe FMR...
November 15, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/29138942/calculation-of-left-ventricular-volumes-and-ejection-fraction-from-dynamic-cardiac-gated-15-o-water-pet-ct-5d-pet
#2
Jonny Nordström, Tanja Kero, Hendrik Johannes Harms, Charles Widström, Frank A Flachskampf, Jens Sörensen, Mark Lubberink
BACKGROUND: Quantitative measurement of myocardial blood flow (MBF) is of increasing interest in the clinical assessment of patients with suspected coronary artery disease (CAD). (15)O-water positron emission tomography (PET) is considered the gold standard for non-invasive MBF measurements. However, calculation of left ventricular (LV) volumes and ejection fraction (EF) is not possible from standard (15)O-water uptake images. The purpose of the present work was to investigate the possibility of calculating LV volumes and LVEF from cardiac-gated parametric blood volume (V B) (15)O-water images and from first pass (FP) images...
November 14, 2017: EJNMMI Physics
https://www.readbyqxmd.com/read/29132918/the-first-in-human-experience-with-a-minimally-invasive-ambulatory-counterpulsation-heart-assist-system-for-advanced-congestive-heart-failure
#3
Valluvan Jeevanandam, Tae Song, David Onsager, Takeyoshi Ota, Colleen Juricek LaBuhn, Thomas Lammy, Gabriel Sayer, Gene Kim, Sonna Patel-Raman, Nir Uriel
BACKGROUND: The intravascular ventricular assist system (iVAS) is a new, minimally invasive, ambulatory counterpulsation heart assist system delivered via the subclavian artery and powered by a portable driver. It is designed for recovery, bridge to transplantation (BTT) or for prolonging medical therapy. We report the first-in-human (FIH) experience with iVAS. METHODS: This is a prospective, non-randomized single arm, U.S. Food and Drug Administration (FDA)-approved early feasibility trial in patients listed for cardiac transplantation...
November 10, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/29130670/-risk-factors-associated-with-the-outcomes-of-heart-valve-replacement
#4
Zhi Fang, Er-Yong Zhang
OBJECTIVE: To determine risk factors associated with the outcomes of heart valve replacement,especially in the patients with rheumatic heart disease (RHD). METHODS: Data were extracted from 2 696 patients who received valve replacement from August 2012 to January 2015. Spearman correlation analyses were performed to identify potential risk factors. Logistic regression models were established to determine risk factors associated with deaths and complications. RESULTS: Duration of cardiopulmonary bypass (CPB) [standard partial regression coefficient ( B')=0...
September 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/29128482/aortic-valve-cusp-coaptation-surface-area-using-3-dimensional-transesophageal-echocardiography-correlates-with-severity-of-aortic-valve-insufficiency
#5
Benjamin Sohmer, Reza Jafar, Prakash Patel, Marie-Ève Chamberland, Michel R Labrosse, Munir Boodhwani
OBJECTIVE: The aim of this study was to test both in humans and using finite element (FE) aortic valve (AV) models whether the coaptation surface area (CoapSA) correlates with aortic insufficiency (AI) severity due to dilated aortic roots to determine the validity and utility of 3-dimensional transesophageal echocardiographic-measured CoapSA. DESIGN: Two-pronged, clinical and computational approach. SETTING: Single university hospital. PARTICIPANTS: The study comprised 10 patients with known AI and 98 FE simulations of increasingly dilated human aortic roots...
August 30, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29126782/feasibility-and-limitations-of-mitral-valve-repair-with-or-without-left-ventricular-reconstruction-in-non-ischemic-dilated-cardiomyopathy
#6
Yasushige Shingu, Tomonori Ooka, Hiroki Katoh, Tsuyoshi Tachibana, Suguru Kubota, Yoshiro Matsui
BACKGROUND: Although non-transplant surgical interventions for non-ischemic dilated cardiomyopathy (NIDCM) are relatively effective, their feasibility and limitations have not been fully elucidated. The aim of this study was to define the feasibility and limitations of mitral valve repair, with or without surgical ventricular reconstruction for patients with NIDCM in terms of postoperative low cardiac output syndrome (LOS). METHODS: Twenty non-transplant candidates (aged 57±13 years) with NIDCM and significant mitral regurgitation had undergone mitral valve repair combined with submitral procedures...
November 7, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/29119275/comparison-of-effects-of-losartan-and-metoprolol-on-left-ventricular-and-aortic-function-at-rest-and-during-exercise-in-chronic-aortic-regurgitation
#7
Paul A Roberts, Aaron C W Lin, Brett R Cowan, Alistair A Young, Ralph Stewart
Aortic regurgitation (AR) increases the hemodynamic load on both the left ventricle (LV) and the aorta. Vasodilators and beta-blockers both reduce systemic blood pressure, but their relative effects on the LV and aortic function and aortic regurgitant fraction in chronic AR are uncertain. We aimed to compare short-term effects of losartan and metoprolol on LV and aortic function in asymptomatic patients with chronic moderate to severe AR, both at rest and during exercise, using cardiac magnetic resonance (CMR) imaging...
November 8, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29119274/quantification-of-pulmonary-regurgitation-and-prediction-of-pulmonary-valve-replacement-by-echocardiography-in-patients-with-congenital-heart-defects-in-comparison-to-cardiac-magnetic-resonance-imaging
#8
Claudia Dellas, Laura Kammerer, Verena Gravenhorst, Joachim Lotz, Thomas Paul, Michael Steinmetz
Pulmonary regurgitation (PR) is common in patients with congenital heart defects (CHD) and contributes to morbidity and mortality in the long-term. We investigated in this retrospective analysis whether readily accessible echocardiographic parameters are useful for quantification of PR and for predicting pulmonary valve replacement (PVR) in comparison to the gold-standard phase contrast (PC) flow measurements from cardiovascular magnetic resonance (CMR). Continuous wave (CW) Doppler and colour flow images in echocardiograms from 53 patients with CHD were analysed...
November 8, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29114924/quantitative-assessment-of-aortic-regurgitation-by-doppler-echocardiography-usefulness-of-the-comparison-of-aortic-and-pulmonary-flows
#9
Katell Gallais, Sylvestre Maréchaux, Daniel Czitrom, Carole Saunier, Raphaëlle-Ashley Guerbaai, Anne-Laure Castel, François Delelis, Christophe Tribouilloy, Pierre-Vladimir Ennezat
AIMS: Patients with significant (3+/4+) aortic regurgitation (AR) require careful monitoring or valve surgery. We sought to evaluate the diagnostic performance of aortic and pulmonary flow comparison in identifying patients with significant AR, by echocardiography. METHOD: Two hundred forty-six patients with more than trivial AR were prospectively enrolled from three centers. Aortic regurgitation (AR) severity was assessed by an expert using the currently recommended integrative approach...
November 8, 2017: Echocardiography
https://www.readbyqxmd.com/read/29106494/impact-of-pulmonary-hypertension-on-long-term-outcome-in-patients-with-severe-aortic-stenosis
#10
Franck Levy, Yohann Bohbot, Khalil Sanhadji, Dan Rusinaru, Anne Ringle, Quentin Delpierre, Sondes Smaali, Mesut Gun, Sylvestre Marechaux, Christophe Tribouilloy
Aims: Pulmonary hypertension (PH) is common in severe symptomatic left-sided valvular disease, particularly in aging populations. Inconsistent results have been reported concerning the association between PH and adverse outcomes after aortic valve replacement for aortic stenosis (AS). We therefore retrospectively investigated the prognostic significance of PH using peak tricuspid regurgitation velocity (TRV), as defined by the current European Society of Cardiology (ESC)/European Respiratory Society (ERS) guidelines, in a large cohort of patients with severe AS...
June 30, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/29105687/-early-and-mid-term-results-of-the-transapical-aortic-valve-symetis-acurate-ta-a-viable-solution-in-high-risk-patients-with-severe-vascular-disease
#11
Giuseppe Rescigno, Maria Giovanna Fratesi, Carlo Aratari, Stefano Moretti, Filippo Capestro, Massimiliano Serenelli, Luca Piangerelli, Anca Delca, Gian Piero Perna, Alessandro Capucci, Marco Di Eusanio
BACKGROUND: Aortic valve stenosis is the most common valvular disease in the elderly. Transcatheter aortic valve implantation represents a viable alternative to conventional aortic valve replacement. In our Department, the transapical approach is the preferred method in patients with severe peripheral vascular disease. The aim of this study was to analyze the early and midterm results of Symetis Acurate TA implantation in our series. METHODS: From June 2013 to January 2017, 21 patients with severe peripheral vascular disease (11 male, mean age 78 ± 2...
October 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/29104738/clinical-outcomes-of-tricuspid-valve-repair-accompanying-left-sided-heart-disease
#12
Kasra Azarnoush, Ahmad S Nadeemy, Bruno Pereira, Massoud A Leesar, Céline Lambert, Alaa Azhari, Vedat Eljezi, Nicolas Dauphin, Etienne Geoffroy, Lionel Camilleri
AIM: To determine whether the need for additional tricuspid valve repair is an independent risk factor when surgery is required for a left-sided heart disease. METHODS: One hundred and eighty patients (68 ± 12 years, 79 males) underwent tricuspid annuoplasty. Cox proportional-hazards regression model for multivariate analysis was performed for variables found significant in univariate analyses. RESULTS: Tricuspid regurgitation etiology was functional in 154 cases (86%), organic in 16 cases (9%), and mixed in 10 cases (6%), respectively...
October 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/29102689/early-experience-with-new-transcatheter-mitral-valve-replacement
#13
Vinayak Bapat, Vivek Rajagopal, Christopher Meduri, R Saeid Farivar, Antony Walton, Stephen J Duffy, Robert Gooley, Aubrey Almeida, Michael J Reardon, Neal S Kleiman, Konstantinos Spargias, Stratis Pattakos, Martin K Ng, Michael Wilson, David H Adams, Martin Leon, Michael J Mack, Sharla Chenoweth, Paul Sorajja
BACKGROUND: Transcatheter mitral valve replacement (TMVR) is a potential therapy for patients with symptomatic, severe mitral regurgitation (MR). The feasibility of this therapy remains to be defined. OBJECTIVE: We report our early experience with TMVR using a new valve system. METHODS: The valve is a self-expanding, nitinol valve with bovine pericardial leaflets that is placed using a transapical delivery system. Patients with symptomatic MR who were deemed high or extreme risk by the local heart teams were enrolled in a global pilot study at 14 sites (U...
October 25, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29102366/time-course-of-secondary-mitral-regurgitation-in-patients-with-heart-failure-receiving-cardiac-resynchronization-therapy-impact-on-long-term-outcome-beyond-left-ventricular-reverse-remodelling
#14
Camille Binda, Aymeric Menet, Ludovic Appert, Pierre-Vladimir Ennezat, François Delelis, Anne-Laure Castel, Caroline Le Goffic, Yves Guyomar, Anne Ringlé, Raphaëlle-Ashley Guerbaai, Pierre Graux, Christophe Tribouilloy, Sylvestre Maréchaux
BACKGROUND: The prognostic value of secondary mitral regurgitation (MR) at baseline versus immediately after and several months after cardiac resynchronization therapy (CRT), beyond left ventricular (LV) reverse remodelling, has yet to be investigated. AIM: To evaluate the clinical significance of secondary MR before and at two timepoints after CRT in a large cohort of consecutive patients with heart failure (HF) and reduced LV ejection fraction. METHODS: A total of 198 patients were recruited prospectively into a registry, and underwent echocardiography at baseline and immediately after CRT (on the day of hospital discharge)...
October 25, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/29098879/regulation-of-circulating-chromogranin-b-levels-in-heart-failure
#15
Felix M Heidrich, Carolin Melz, Mimi S Buechau, Christian Pfluecke, Silvio Quick, Uwe Speiser, David M Poitz, Antje Augstein, Tobias Ruf, Nadine K Wäßnig, Akram Youssef, Ruth H Strasser, Stephan Wiedemann
BACKGROUND: Chromogranin B (CGB) regulates B-type natriuretic peptide (BNP) production. Circulating CGB levels are elevated in heart failure (HF) animal models and HF patients, but also increase in healthy individuals in response to physical activity. Therefore, CGB seems to integrate information from myocardial stress and systemic neuro-endocrine activation. Substantial gaps remain in our understanding of CGB regulation in HF. METHODS AND RESULTS: We conducted a retrospective registry study including 372 patients...
November 3, 2017: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/29096801/outcomes-with-transcatheter-mitral-valve-repair-in-the-united-states-an-sts-acc-tvt-registry-report
#16
Paul Sorajja, Sreekanth Vemulapalli, Ted Feldman, Michael Mack, David R Holmes, Amanda Stebbins, Saibal Kar, Vinod Thourani, Gorav Ailawadi
BACKGROUND: Post-market surveillance is needed to evaluate the real-world clinical effectiveness and safety of U.S. Food and Drug Administration-approved devices. OBJECTIVES: The authors examined the commercial experience with transcatheter mitral valve repair for the treatment of mitral regurgitation. METHODS: Data from the Society of Thoracic Surgery/American College of Cardiology Transcatheter Valve Therapy Registry on patients commercially treated with transcatheter mitral valve repair were analyzed...
November 7, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29092919/aortic-valve-replacement-associated-with-survival-in-severe-regurgitation-and-low-ejection-fraction
#17
Amy G Fiedler, Vijeta Bhambhani, Elizabeth Laikhter, Michael H Picard, Meagan M Wasfy, George Tolis, Serguei Melnitchouk, Thoralf M Sundt, Jason H Wasfy
OBJECTIVES: Although guidelines support aortic valve replacement (AVR) in patients with severe aortic regurgitation (AR) and left ventricular ejection fraction (LVEF) <50%, severe left ventricular dysfunction (LVEF <35%) is thought to confer high surgical risk. We sought to determine if a survival benefit exists with AVR compared with medical management in this high-risk, relatively rare population. METHODS: A large institutional echocardiography database was queried to identify patients with severe AR and LVEF <35%...
November 1, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29092913/a-propensity-score-adjusted-analysis-of-clinical-outcomes-after-pulmonary-valve-replacement-in-tetralogy-of-fallot
#18
Jouke P Bokma, Tal Geva, Lynn A Sleeper, Sonya V Babu Narayan, Rachel Wald, Kelsey Hickey, Katrijn Jansen, Rebecca Wassall, Minmin Lu, Michael A Gatzoulis, Barbara Jm Mulder, Anne Marie Valente
OBJECTIVE: To determine the association of pulmonary valve replacement (PVR) with death and sustained ventricular tachycardia (VT) in patients with repaired tetralogy of Fallot (rTOF). METHODS: Subjects with rTOF and cardiac magnetic resonance from an international registry were included. A PVR propensity score was created to adjust for baseline differences. PVR consensus criteria were predefined as pulmonary regurgitation >25% and ≥2 of the following criteria: right ventricular (RV) end-diastolic volume >160 mL/m(2), RV end-systolic volume >80 mL/m(2), RV ejection fraction (EF) <47%, left ventricular EF <55% and QRS duration >160 ms...
November 1, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29082593/a-rare-mechanism-of-aortic-regurgitation-in-a-young-patient
#19
Ahmet Guner, Sabahattin Gunduz, Cagatay Onal, Taylan Akgun, Emrah Bayam, Ozkan Candan, Mehmet Ozkan
A 19-year-old male patient was admitted to our institute with dyspnea. His medical history had no rheumatic fever or infective endocarditis. Physical examination revealed a diastolic murmur over the aortic area, rales of bilateral lungs. Bedside transthoracic echocardiography (TTE) revealed a severe aortic regurgitation (AR) without aortic valve stenosis and a moderately dilated left ventricle accompanied by an ejection fraction of 55%. The aortic valve could not be clearly demonstrated as either bicuspid or tricuspid...
October 29, 2017: Echocardiography
https://www.readbyqxmd.com/read/29082523/ventricular-mechanics-after-repair-of-subarterial-and-perimembranous-vsds
#20
Sit-Yee Kwok, Susanna So-Shan Yeung, Vivian Wing-Yi Li, Yiu-Fai Cheung
BACKGROUND: Emerging data suggest impaired biventricular function in adults late after repair of ventricular septal defect (VSD). We assessed and compared right (RV) and left ventricular (LV) mechanics in adolescents and adults after surgical closure of doubly committed subarterial and perimembranous VSDs. METHODS: A total of 75 subjects were studied: 29 patients after subarterial VSD repair (group I), 17 patients after perimembranous VSD repair (group II) and 29 age-matched controls (group III)...
October 30, 2017: European Journal of Clinical Investigation
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