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Heart failure, cardiac transplant,

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https://www.readbyqxmd.com/read/29348023/impaired-recovery-of-left-ventricular-function-in-patients-with-cardiomyopathy-and-left%C3%A2-bundle-branch-block
#1
Edward Sze, Zainab Samad, Allison Dunning, Kristen Bova Campbell, Zak Loring, Brett D Atwater, Karen Chiswell, Joseph A Kisslo, Eric J Velazquez, James P Daubert
BACKGROUND: Patients with left bundle branch block (LBBB) often respond to cardiac resynchronization therapy (CRT) with left ventricular ejection fraction (LVEF) improvement. Guideline-directed medical therapy (GDMT), not CRT, is first-line therapy for patients with reduced LVEF with LBBB. However, there are little data on how patients with reduced LVEF and LBBB respond to GDMT. OBJECTIVES: This study examined patients with cardiomyopathy and sought to assess rates of LVEF improvement for patients with LBBB compared to other QRS morphologies...
January 23, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29342993/-analysis-of-prognosis-and-associated-risk-factors-in-pediatric-idiopathic-pulmonary-arterial-hypertension
#2
Q Liu, C Zhang, Q Q Li, Y Zhu, D Zhang, W G Zhao, H Gu
Objective: To analyze the prognosis and associated risk factors of pediatric idiopathic pulmonary arterial hypertension. Methods: A total of 119 patients under 18 years of age diagnosed as idiopathic pulmonary arterial hypertension in the Pulmonary Arterial Hypertension Center in Beijing Anzhen Hospital between June 2007 and May 2017 were enrolled in this retrospective study. The clinical informations and follow-up data were collected. The endpoints of follow-up were defined as death or undergoing lung transplantation...
January 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29335797/high-intensity-aerobic-interval-training-can-lead-to-improvement-in-skeletal-muscle-power-among-in-hospital-patients-with-advanced-heart-failure
#3
Masanobu Taya, Eisuke Amiya, Masaru Hatano, Hisataka Maki, Daisuke Nitta, Akihito Saito, Masaki Tsuji, Yumiko Hosoya, Shun Minatsuki, Astuko Nakayama, Takayuki Fujiwara, Yuto Konishi, Kazuhiko Yokota, Masafumi Watanabe, Hiroyuki Morita, Nobuhiko Haga, Issei Komuro
This study investigated the effectiveness and safety of interval training during in-hospital treatment of patients with advanced heart failure. Twenty-four consecutive patients with advanced symptomatic heart failure who were referred for cardiac transplant evaluation were recruited. After performing aerobic exercise for approximate intensity, high-intensity interval training (HIIT) was performed. The protocol consisted of 3 or 4 sessions of 1-min high-intensity exercise aimed at 80% of peak VO2 or 80% heart rate reserve, followed by 4-min recovery periods of low intensity...
January 15, 2018: Heart and Vessels
https://www.readbyqxmd.com/read/29330935/takotsubo-cardiomyopathy-in-a-young-adult-with-transplanted-heart-what-happened-to-denervation
#4
Marcello Chinali, Roberto Formigari, Giorgia Grutter
This manuscript describes the first report of takotsubo cardiomyopathy in a young heart transplant recipient following angry debate. Our patient is a 21-year-old woman with cardiac transplant performed owing to right ventricular failure in congenital heart disease. Positive echocardiography with typical asymmetry of regional function, positive enzymes, and negative biopsy and angiography met the criteria for the diagnosis of takotsubo cardiomyopathy. Patient was discharged after 1 week in good clinical conditions and fully recovered cardiac function...
January 13, 2018: ESC Heart Failure
https://www.readbyqxmd.com/read/29325227/soluble-st2-in-end-stage-heart-failure-before-and-after-support-with-a-left-ventricular-assist-device
#5
C C S Tseng, M M H Huibers, L H Gaykema, E Siera-de Koning, F Z Ramjankhan, A S Maisel, N de Jonge
BACKGROUND: The interleukin-33 (IL-33)/supressor of tumorigenicity 2 (ST2) pathway is suggested to play an important role in fibrosis, remodeling and the progression of heart failure (HF). Increased soluble (sST2) levels are associated with adverse outcome in the average HF population. Less is known about sST2 levels in end-stage HF. Therefore, we studied sST2 levels in end-stage HF and the effect of unloading by left ventricular assist device (LVAD) support on sST2 levels. METHOD AND RESULTS: Serial plasma measurements of sST2 were performed pre-implantation and 1, 3 and 6 months after (LVAD) implantation in 38 patients...
January 11, 2018: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29324309/the-promising-future-of-ventricular-restraint-therapy-for-the-management-of-end-stage-heart-failure
#6
REVIEW
Muhammad Naveed, Imran Shair Mohammad, Li Xue, Sara Khan, Wang Gang, Yanfang Cao, Yijie Cheng, Xingxing Cui, Chen DingDing, Yu Feng, Wang Zhijie, Zhou Xiaohui
Complicated pathophysiological syndrome associated with irregular functioning of the heart leading to insufficient blood supply to the organs is linked to congestive heart failure (CHF) which is the leading cause of death in developed countries. Numerous factors can add to heart failure (HF) pathogenesis, including myocardial infarction (MI), genetic factors, coronary artery disease (CAD), ischemia or hypertension. Presently, most of the therapies against CHF cause modest symptom relief but incapable of giving significant recovery for long-term survival outcomes...
January 8, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29319565/left-ventricular-assist-device-as-destination-therapy-for-end-stage-heart-failure-the-right-time-for-the-right-patients
#7
Naoto Fukunaga, Vivek Rao
PURPOSE OF REVIEW: Cardiac transplantation is the gold standard treatment for patients with end-stage heart failure. Unfortunately, the demand for donor organs far outstrips the number of available hearts. Therefore, not all patients who can benefit from this therapy are even listed for transplant. Once destination therapy was approved for the long-term support of nontransplant eligible patients, it was felt that the number of durable ventricular assist device (VAD) implants would increase...
January 13, 2018: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/29316217/exosomes-expressing-the-self-antigens-myosin-and-vimentin-play-an-important-role-in-syngeneic-cardiac-transplant-rejection-induced-by-antibodies-to-cardiac-myosin
#8
Monal Sharma, Wei Liu, Sudhir Perincheri, Muthukumar Gunasekaran, T Mohanakumar
Long-term success of heart transplantation is hindered by humoral and cell-mediated immune responses. We studied preexisting antibodies to two cardiac self-antigens, myosin and vimentin, and exosomes induced by antibodies to self-antigens in eliciting immune responses to cardiac grafts. After syngeneic heterotopic murine heart transplantation, rabbit anti-myosin or normal rabbit immunoglobulin was administered at days 0 or 7. Sera were collected after heartbeat cessation and cellular infiltration was analyzed, and exosomes were isolated from sera...
January 9, 2018: American Journal of Transplantation
https://www.readbyqxmd.com/read/29315424/cardiac-resynchronization-therapy-in-patients-with-end-stage-hypertrophic-cardiomyopathy
#9
Ammar M Killu, Jae-Yoon Park, Jaskanwal D Sara, David O Hodge, Bernard J Gersh, Rick A Nishimura, Samuel J Asirvatham, Christopher J McLeod
Aims: A dilated/end-stage phase of hypertrophic cardiomyopathy (HCM) is rare but well-recognized. The role for cardiac resynchronization therapy (CRT) in this subset of patients remains unexplored. We aimed to clarify the impact of bi-ventricular pacing CRT in dilated/end-stage HCM. Methods and results: The Mayo Clinic HCM database was interrogated to identify patients with ejection fraction (EF) <50% and CRT. Control subjects were identified in 1:1 manner...
January 1, 2018: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/29286265/the-2017-seventh-world-congress-of-pediatric-cardiology-cardiac-surgery-week-in-review-heart-failure-transplantation-and-pulmonary-hypertension
#10
Jonathan N Johnson, D Dunbar Ivy
The heart failure, heart transplantation, and pulmonary hypertension workgroups of the Scientific Committee were honoured to be asked to plan a full slate of sessions at the 2017 World Congress of Pediatric Cardiology and Cardiac Surgery. In all there were 35 oral platform presentations, a further 14 oral platform presentations in "Bridging Together" sessions with other workgroups/specialties, a terrific debate about transplant listing in adult CHD patients, and a further 23 oral abstract presentations. The speakers were clear and concise, the research presented was ground-breaking, and the global representation was evident...
December 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/29281011/extracorporeal-membrane-oxygenation-for-cardiogenic-shock-due-to-alcoholic-cardiomyopathy-a-long-term-follow-up-of-4-cases
#11
Dorothee Valance, Bruno Bouchet, Caroline Brulliard, Benjamin Delmas, Berenice Puech, Eric Braunberger, Nicolas Allou, Jerome Allyn
Even though alcoholism is a major health concern, alcoholic cardiomyopathy is a little-known pathology. The exact prevalence remains elusive (20-40% of dilated cardiomyopathy). However, it can lead to dilated cardiomyopathy, heart failure and refractory cardiogenic shock. The literature on cardiogenic shock in alcoholic cardiomyopathy is limited. We report 4 cases of patients with refractory cardiogenic shock due to heavy alcohol consumption, who were treated with venoarterial extracorporeal membrane oxygenation...
December 20, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29274911/selective-implantation-of-durable-left-ventricular-assist-devices-as-primary-therapy-for-refractory-cardiogenic-shock
#12
Amit Pawale, Yosef Schwartz, Shinobu Itagaki, Sean Pinney, David H Adams, Anelechi C Anyanwu
OBJECTIVE: Surgical therapy for refractory primary cardiogenic shock is largely based on emergent placement of extracorporeal membrane oxygenation or short-term ventricular assist devices. We have adopted a strategy of routine implantation of durable left ventricular assist devices (LVAD) as initial therapy for refractory cardiogenic shock, in patients who are potential candidates for heart transplantation, and report our experience. METHODS: Retrospective review of 43 consecutive patients with refractory shock caused by acute myocardial infarction (n = 21) or acute decompensated heart failure (n = 22) who were treated with primary implantation of a durable LVAD in a single institution...
November 21, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29249420/hemodynamic-factors-associated-with-serum-chloride-in-ambulatory-patients-with-advanced-heart-failure
#13
Justin L Grodin, Wilfried Mullens, Matthias Dupont, David O Taylor, Paul M McKie, Randall C Starling, Jeffrey M Testani, W H Wilson Tang
BACKGROUND: Lower serum chloride (Cl) is associated with mortality in heart failure patients and may be more prognostically relevant than sodium. However, the association of hemodynamics and Cl levels is unknown. METHODS: 438 sequential patients with advanced chronic heart failure (ACHF) underwent invasive hemodynamic assessment with measured serum Cl levels during an evaluation for ACHF. Patients were followed for death, heart transplant (HT), or ventricular assist device placement (VAD)...
February 1, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29246897/hemodynamics-of-fontan-failure-the-role-of-pulmonary-vascular-disease
#14
Alexander C Egbe, Heidi M Connolly, William R Miranda, Naser M Ammash, Donald J Hagler, Gruschen R Veldtman, Barry A Borlaug
BACKGROUND: Nonpulsatile pulmonary blood flow in Fontan circulation results in pulmonary vascular disease, but the potential relationships between pulmonary vascular resistance index (PVRI) and Fontan failure have not been studied. The objective was to determine whether the absence of subpulmonary ventricle in the Fontan circulation would make patients more vulnerable to even low-level elevations in PVRI, and when coupled with low cardiac index, this would identify patients at increased risk of Fontan failure...
December 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/29245138/cardiac-sarcoidosis-presenting-as-arrhythmogenic-right-ventricular-cardiomyopathy-dysplasia-with-ventricular-aneurysms-a-case-report
#15
Marija Petrovic, L Maximilian Buja, Biswajit Kar, Jure Colnaric, Sarita Damaraju, Bihong Zhao, Bindu Akkanti, Milan Radovanovic, Rajko Radovancevic, Pranav Loyalka, Igor D Gregoric
A 70-year old Caucasian man with recurrent ventricular tachycardia and progressive biventricular failure attributed to arrhythmogenic right ventricular cardiomyopathy/dysplasia was evaluated for heart transplantation. Cardiac ventriculography revealed an abnormal left ventricle with five saccular aneurysms. Heart transplantation was performed. Pathology of the explanted heart showed multifocal sarcoid granulomas. Replacement fibrosis was widespread in both ventricles and associated with saccular aneurysms. No genetic basis was identified...
November 10, 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/29243046/-stem-cell-based-cardiac-regeneration-after-myocardial-infarction
#16
REVIEW
M Reinsch, F Weinberger
Myocardial infarction leads to an irreversible loss of vital myocardial cells. The transplantation of new cardiomyocytes into the heart was first described over 20 years ago and represents a straightforward approach to remuscularize a damaged heart. Due to the lack of human cells a clinical application seemed ambitious; however, dramatic progress in stem cell biology over the last two decades has paved the way towards a clinical application. This is especially important as the prognosis for patients with terminal heart failure is still poor...
December 14, 2017: Herz
https://www.readbyqxmd.com/read/29240293/transvenous-pacemaker-implantation-after-the-bidirectional-glenn-operation-for-patients-with-complex-congenital-disease
#17
Danielle E Harake, Kevin M Shannon, Jamil A Aboulhosn, Jeremy P Moore
INTRODUCTION: The bidirectional Glenn operation for congenital heart disease produces anatomical constraints to conventional transvenous pacemaker implantation. An iliac approach, although not previously described in this population, is potentially a preferable alternative to a thoracotomy for epicardial pacing. METHODS AND RESULTS: A single-center retrospective review was performed for all patients that underwent transvenous pacemaker implantation following the bidirectional Glenn operation with partial biventricular repair...
December 14, 2017: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29237516/utility-of-cardiac-mri-in-paediatric-myocarditis
#18
Alice Hales-Kharazmi, Nina Hirsch, Michael Kelleman, Timothy Slesnick, Shriprasad R Deshpande
BACKGROUND: The diagnostic role of cardiac MRI in myocarditis is evolving, however with extremely limited data in paediatrics. The goal of this study was to assess the utility of cardiac MRI in paediatric myocarditis and present a new prognostic score for risk stratification. METHOD: The present study is a retrospective investigation of children with a clinical diagnosis of myocarditis, including analysis of demographics, clinical presentation, diagnostic studies, including cardiac MRI, and outcomes...
December 14, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/29236988/diagnostic-and-prognostic-value-of-myocardial-blood-flow-quantification-as-non-invasive-indicator-of-cardiac-allograft-vasculopathy
#19
Paco E Bravo, Brian A Bergmark, Tomas Vita, Viviany R Taqueti, Ankur Gupta, Sara Seidelmann, Thomas E Christensen, Michael T Osborne, Nishant R Shah, Nina Ghosh, Jon Hainer, Courtney F Bibbo, Meagan Harrington, Fred Costantino, Mandeep R Mehra, Sharmila Dorbala, Ron Blankstein, Akshay Desai, Lynne Stevenson, Michael M Givertz, Marcelo F Di Carli
Aims: Cardiac allograft vasculopathy (CAV) is a leading cause of death in orthotopic heart transplant (OHT) survivors. Effective non-invasive screening methods are needed. Our aim was to investigate the added diagnostic and prognostic value of myocardial blood flow (MBF) to standard myocardial perfusion imaging (MPI) with positron emission tomography (PET) for CAV detection. Methods and results: We studied 94 OHT recipients (prognostic cohort), including 66 who underwent invasive coronary angiography and PET within 1 year (diagnostic cohort)...
December 8, 2017: European Heart Journal
https://www.readbyqxmd.com/read/29232275/complex-decision-making-in-heart-failure-a-systematic-review-and-thematic-analysis
#20
Aimee V Hamel, Joseph E Gaugler, Carolyn M Porta, Niloufar Niakosari Hadidi
BACKGROUND: Heart failure follows a highly variable and difficult course. Patients face complex decisions, including treatment with implantable cardiac defibrillators, mechanical circulatory support, and heart transplantation. The course of decision-making across multiple treatments is unclear yet integral to providing informed and shared decision-making. Recognizing commonalities across treatment decisions could help nurses and physicians to identify opportunities to introduce discussions and support shared decision-making...
December 11, 2017: Journal of Cardiovascular Nursing
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