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Right heart failure

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https://www.readbyqxmd.com/read/28551356/predictors-of-an-adverse-clinical-outcome-in-patients-with-long-term-right-ventricular-apical-pacing
#1
Jihyun Sohn, Young Soo Lee, Hyung Seob Park, Seongwook Han, Yoon-Nyun Kim
BACKGROUND: Right ventricular (RV) apical pacing can result in progressive left ventricular (LV) dysfunction and contribute to the development of heart failure (HF). This study aimed to predict the outcome after long-term RV apical pacing in patients with acquired atrioventricular (AV) block who required permanent pacing. METHODS: We included 247 patients who underwent long-term (>90% ventricular pacing with atrioventricular synchrony for more than 1 year) RV apical pacing for acquired AV block...
May 24, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28550957/feasibility-of-a-supraglottic-airway-device-for-transbronchial-lung-cryobiopsy-a-retrospective-analysis
#2
Axel Schmutz, Thorsten Dürk, Marco Idzko, Thomas Koehler, Johannes Kalbhenn, Torsten Loop
OBJECTIVES: To determine the feasibility of a supraglottic airway device for transbronchial cryobiopsy in adults. DESIGN: Retrospective analysis of anesthetic and pulmonary records between March 2015 and August 2016. SETTING: Single university medical center. PARTICIPANTS: One hundred thirty-two patients who underwent transbronchial cryobiopsy procedures performed under general anesthesia. INTERVENTIONS: Not applicable...
February 16, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28549782/central-trkb-blockade-attenuates-icv-angiotensin-ii-hypertension-and-sympathetic-nerve-activity-in-male-sprague-dawley-rats
#3
Bryan K Becker, Hanjun Wang, Irving H Zucker
Increased sympathetic nerve activity and the activation of the central renin-angiotensin system are commonly associated with cardiovascular disease states such as hypertension and heart failure, yet the precise mechanisms contributing to the long-term maintenance of this sympatho-excitation are incompletely understood. Due to the established physiological role of neurotrophins contributing toward neuroplasticity and neuronal excitability along with recent evidence linking the renin-angiotensin system and brain-derived neurotrophic factor (BDNF) along with its receptor (TrkB), it is likely the two systems interact to promote sympatho-excitation during cardiovascular disease...
May 19, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/28548235/tuning-excitability-of-the-hypothalamus-via-glutamate-and-potassium-channel-coupling
#4
David D Kline
Heart failure and hypertension are both prevalent and serious health concerns, and progress toward understanding their underlying mechanisms could significantly impact development of therapeutic approaches This article is protected by copyright. All rights reserved.
May 26, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28546456/electrocardiographic-predictors-of-heart-failure-with-reduced-versus-preserved-ejection-fraction-the-multi-ethnic-study-of-atherosclerosis
#5
Wesley T O'Neal, Matylda Mazur, Alain G Bertoni, David A Bluemke, Mouaz H Al-Mallah, Joao A C Lima, Dalane Kitzman, Elsayed Z Soliman
BACKGROUND: Several markers detected on the routine 12-lead ECG are associated with future heart failure events. We examined whether these markers are able to separate the risk of heart failure with reduced ejection fraction (HFrEF) from heart failure with preserved ejection fraction (HFpEF). METHODS AND RESULTS: We analyzed data of 6664 participants (53% female; mean age 62±10 years) from MESA (Multi-Ethnic Study of Atherosclerosis) who were free of cardiovascular disease at baseline (2000-2002)...
May 25, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28543854/endocardial-fibroelastosis-is-secondary-to-hemodynamic-alterations-in-the-chick-embryonic-model-of-hypoplastic-left-heart-syndrome
#6
Zivorad Pesevski, Alena Kvasilova, Tereza Stopkova, Ondrej Nanka, Eliska Drobna Krejci, Christine Buffinton, Radka Kockova, Adam Eckhardt, David Sedmera
BACKGROUND: Endocardial fibroelastosis (EFE) is a diffuse thickening of the ventricular endocardium, causing myocardial dysfunction and presenting as unexplained heart failure in infants and children. One of the postulated causes is persistent and increased wall tension in the ventricles. RESULTS: To examine whether reduced ventricular pressure in a chick model of hypoplastic left heart syndrome induced by left atrial ligation (LAL) at ED4 is associated with EFE at later stages, myocardial fibrosis was evaluated by histology and immunoconfocal microscopy and mass spectrometry (MS) at ED12...
May 20, 2017: Developmental Dynamics: An Official Publication of the American Association of Anatomists
https://www.readbyqxmd.com/read/28543399/baroreceptor-stimulation-in-a-patient-with-preexisting-subcutaneous-implantable-cardioverter-defibrillator
#7
Kay F Weipert, Jens Andrick, Ritvan Chasan, Christopher Gemein, Astrid Most, Christian W Hamm, Damir Erkapic, Joern Schmitt
BACKGROUND: Many patients with severe heart failure (HF) have an indication for baroreflex activation therapy (BAT) and an ICD. Concerns about device-device interactions were addressed in a study with small sample size that concluded combined BAT and ICD therapy is safe. There are no published data, however, concerning device-device interactions between BAT and a subcutaneous ICD (S-ICD). Since BAT frequently interferes with surface ECG recordings there are doubts about compatibility of BAT and S-ICD devices...
May 24, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28543265/stricter-criteria-for-left-bundle-branch-block-diagnosis-do-not-improve-response-to-crt
#8
Emanuele Bertaglia, Federico Migliore, Anna Baritussio, Antonio De Simone, Albino Reggiani, Domenico Pecora, Antonio D'Onofrio, Antonio Rapacciuolo, Gianluca Savarese, Attilio Pierantozzi, Biondino Marenna, Franco Ruffa, Monica Campari, Maurizio Malacrida, Giuseppe Stabile
BACKGROUND: Cardiac resynchronization therapy (CRT) has proved to be effective in patients with heart failure and left bundle branch block (LBBB). Recently, new ECG criteria have been proposed for the diagnosis of LBBB. These criteria are stricter than the current American Heart Association (AHA) criteria. We assessed the rate of echocardiographic response to CRT in patients with traditional LBBB versus patients who met the new criteria (strict LBBB). METHODS: Consecutive patients undergoing CRT were enrolled in the CRT MORE registry...
May 23, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28543215/fib-4-stage-of-liver-fibrosis-predicts-incident-heart-failure-among-hiv-infected-and-uninfected-patients
#9
Kaku A So-Armah, Joseph K Lim, Vincent Lo Re, Janet P Tate, H Chang Chung-Chou, Adeel A Butt, Cynthia L Gibert, David Rimland, Vincent C Marconi, Matthew B Goetz, Maria C Rodriguez-Barradas, Michael E DeBakey, Matthew J Budoff, Hilary A Tindle, Jeffrey H Samet, Amy C Justice, Matthew S Freiberg
Liver fibrosis is common, particularly in human immunodeficiency virus infected (HIV+) people. HIV+ people have excess congestive heart failure (CHF) risk compared to uninfected people. It remains unknown if stage of liver fibrosis influences the CHF risk or if HIV or hepatitis C virus (HCV) infection modifies this association. Our objectives were to assess whether: 1) stage of liver fibrosis is independently associated with incident CHF; 2) the association between stage of liver fibrosis and incident CHF is modified by HIV/HCV status...
May 24, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28543099/evidence-of-altered-mitochondrial-protein-expression-after-chronic-ethanol-consumption-in-the-aged-estrogen-deficient-female-rat-heart
#10
Alexandra M Garvin, J L Miller-Lee, D R Sharda, G M Kanski, J C Hunter, Donna H Korzick
BACKGROUND: Estrogen loss has been implicated to increase the risk of alcoholic cardiomyopathy in post-menopausal women. The purpose of this study was to identify novel mitochondrial protein targets for the treatment of alcoholic cardiomyopathy in aged women using a state-of-the-art proteomics approach. We hypothesized that chronic ethanol (EtOH) ingestion exacerbates maladaptive mitochondrial protein expression in the aged female heart METHODS: Adult (3 mo) and aged (18 mo) F344 ovary-intact or ovariectomized (OVX) rats were randomly assigned an EtOH or control Lieber-DeCarli 'all liquid' diet for 20 wks...
May 19, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28539566/traumatic-tricuspid-regurgitation
#11
Yan Cheng, Lei Yao, Shengjun Wu
Traumatic tricuspid regurgitation is a rare and progressive disease. Early diagnosis and surgical valve repair are very important. A 57-year-old male was referred to our hospital with a history of blunt chest trauma. Three-dimensional echocardiography showed severe tricuspid regurgitation and demonstrated two main anterior leaflet chordaes of the tricuspid valve rupture and the whole anterior leaflet prolapsed. The diagnosis was severe tricuspid regurgitation due to leaflet chordae rupture secondary to blunt chest trauma...
May 23, 2017: International Heart Journal
https://www.readbyqxmd.com/read/28538250/cardiac-abnormalities-in-type-1-facioscapulohumeral-muscular-dystrophy
#12
Fabien Labombarda, Maxime Maurice, Jean-Philippe Simon, Damien Legallois, Lucie Guyant-Maréchal, Anne-Laure Bedat-Millet, Philippe Merle, Eric Saloux, Françoise Chapon, Paul Milliez
OBJECTIVES: We conducted a retrospective study to characterize the cardiac complications in patients with genetically confirmed type 1 facioscapulohumeral dystrophy. METHODS: We reviewed baseline cardiac investigations, including electrocardiogram, Holter electrocardiogram and echocardiogram, as well as cardiac complications that occurred during follow-up in 56 adult patients (37 men, mean duration of disease: 20 years). RESULTS: Baseline evaluation revealed minor cardiac anomalies in 23 patients including incomplete right bundle branch block (iRBBB) in 13 patients (23%)...
June 2017: Journal of Clinical Neuromuscular Disease
https://www.readbyqxmd.com/read/28536530/the-total-artificial-heart-in-end-stage-congenital-heart-disease
#13
REVIEW
Chet R Villa, David L S Morales
The development of durable ventricular assist devices (VADs) has improved mortality rates and quality of life in patients with end stage heart failure. While the use of VADs has increased dramatically in recent years, there is limited experience with VAD implantation in patients with complex congenital heart disease (CHD), despite the fact that the number of patients with end stage CHD has grown due to improvements in surgical and medical care. VAD use has been limited in patients with CHD and end stage heart failure due to anatomic (systemic right ventricle, single ventricle, surgically altered anatomy, valve dysfunction, etc...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28536002/actual-management-and-prognosis-of-severe-isolated-tricuspid-regurgitation-associated-with-atrial-fibrillation-without-structural-heart-disease
#14
Yusuke Takahashi, Chisato Izumi, Makoto Miyake, Miyako Imanaka, Maiko Kuroda, Shunsuke Nishimura, Yusuke Yoshikawa, Masashi Amano, Sari Imamura, Naoaki Onishi, Yodo Tamaki, Soichiro Enomoto, Toshihiro Tamura, Hirokazu Kondo, Kazuaki Kaitani, Yoshihisa Nakagawa
BACKGROUND: Patients with atrial fibrillation (AF) without structural heart diseases can show severe tricuspid regurgitation (TR), especially among aged people. The aim of this study was to clarify the actual management, prognosis, and prognostic factors for severe isolated TR associated with AF without structural heart diseases. METHODS AND RESULTS: We retrospectively investigated actual management in 178 consecutive patients with severe isolated TR associated with AF between 1999 and 2011 in our institution...
May 11, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28532770/changes-in-loop-diuretic-dose-and-outcome-after-cardiac-resynchronization-therapy-in-patients-with-heart-failure-and-reduced-left-ventricular-ejection-fractions
#15
Pieter Martens, Frederik H Verbrugge, Petra Nijst, Matthias Dupont, Wilfried Mullens
Cardiac resynchronization therapy (CRT) improves cardiac hemodynamics. Therefore, the maintenance dose of loop diuretic therapy might be reduced. Consecutive patients who underwent CRT (n = 648) were retrospectively evaluated. Loop diuretic dose was recorded at baseline before implantation and 6 months later with patients classified into 4 groups: (1) no loop diuretic, (2) down-titration, (3) unchanged dose, and (4) up-titration. Afterward total loop diuretic exposure was calculated. Renal function trajectories were evaluated as the difference between implantation and censoring serum creatinine (Cr) value...
April 27, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28532425/combined-pulmonary-and-left-ventricular-support-with-veno-pulmonary-ecmo-and-impella-5-0-for-cardiogenic-shock-after-coronary-surgery
#16
Sameh Sayed, Christoph Schimmer, Ina Shade, Rainer Leyh, Ivan Aleksic
BACKGROUND: Mechanical circulatory support is a common practice nowadays in the management of patients after cardiogenic shock due to myocardial infarction. The single or combined use of one or more devices for mechanical support depends not only on the advantage or disadvantage of these devices but also on the timing of use of these devices before the development of multi organ failure. In our case we used more than one tool for mechanical circulatory support during the prolonged and complicated course of our patient with postcardiotomy cardiogenic shock after coronary artery bypass surgery...
May 22, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28532240/ventricular-assist-devices-for-the-failing-univentricular-circulation
#17
Edward Buratto, William Y Shi, Xin Tao Ye, Igor E Konstantinov
Improved survival following single ventricle palliation has led to a large population of patients with a Fontan circulation, many of whom will eventually develop Fontan failure. Many of these patients will require heart transplantation. However, more than half of these patients have Fontan failure despite preserved ventricular function. Increasing experience with ventricular assist devices (VAD) in children has paved the way for VAD support in those with failing univentricular circulation. Areas covered: The use of VADs to support the failing univentricular circulation is a relatively new concept...
May 22, 2017: Expert Review of Medical Devices
https://www.readbyqxmd.com/read/28531295/right-ventricular-vascular-coupling-in-heart-failure-with-preserved-ejection-fraction-and-pre-vs-post-capillary-pulmonary-hypertension
#18
Thomas M Gorter, Dirk J van Veldhuisen, Adriaan A Voors, Yoran M Hummel, Carolyn S P Lam, Rolf M F Berger, Joost P van Melle, Elke S Hoendermis
Aims: Many patients with heart failure with preserved ejection fraction (HFpEF) develop post-capillary pulmonary hypertension (PH) due to increased left-sided filling pressures. However, a subset of patients develops combined post- and pre-capillary PH. We studied the value of echocardiographic right-sided characterization for the discrimination between pre- vs. post-capillary PH in HFpEF, using invasive haemodynamics as gold standard. Methods and results: 102 consecutive HFpEF patients with simultaneous right heart catheterization and echocardiography were identified...
May 22, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28530128/in-vivo-endocrine-secretion-of-prostacyclin-following-expression-of-a-cox-1-pgis-fusion-protein-in-the-salivary-glands-of-rats-via-non-viral-gene-therapy
#19
Zhimin Wang, Raymond L Benza, Lee Zourelias, Angela Sanguino, Ramaz Geguchadze, Kelly J Shields, Changgong Wu, Kristin B Highland, Michael J Passineau
Pulmonary arterial hypertension is a progressive disease that culminates in right heart failure and death. Prostacyclin(PGI2) and its derivatives are effective treatments for PAH when administered as continuous parenteral infusions. This treatment paradigm requires medical sophistication, and patients are at risk for complications from an indewelling catheter; drug interruptions may result in rebound pulmonary hypertension and death. We hypothesized that the salivary gland can be repurposed into an endogenous production site for circulating PGI2 through the expression of a fusion protein embodying cyclooxygenase-1(Cox1) and prostacyclin synthase(PGIS) domains...
May 20, 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/28529812/diabetic-muscle-infarction-masquerading-as-necrotizing-fasciitis
#20
Kalyana C Janga, Ankur Sinha, Perry Wengrofsky, Phone Oo, Sheldon Greenberg, Regina Tarkovsky, Kavita Sharma
A 43-year-old male patient with past medical history of diabetes mellitus (DM), end stage renal disease (ESRD) on hemodialysis (HD), congestive heart failure (CHF), obstructive sleep apnea (OSA), and chronic anemia presented with complaints of left thigh pain. A computerized tomogram (CT) of the thigh revealed evidence of edema with no evidence of a focal collection or gas formation noted. The patient's clinical symptoms persisted and he underwent magnetic resonance imaging (MRI) of his thigh which was reported to show small areas of muscle necrosis with fluid collection...
2017: Case Reports in Nephrology
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