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"diastolic dysfunction" OR "heart failure with preserved ejection fraction"

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https://www.readbyqxmd.com/read/28547861/effects-of-organic-and-inorganic-nitrate-on-aortic-and-carotid-haemodynamics-in-heart-failure-with-preserved-ejection-fraction
#1
Julio A Chirinos, Francisco Londono-Hoyos, Payman Zamani, Melissa Beraun, Philip Haines, Izzah Vasim, Swapna Varakantam, Timothy S Phan, Thomas P Cappola, Kenneth B Margulies, Raymond R Townsend, Patrick Segers
AIMS: To assess the haemodynamic effects of organic vs. inorganic nitrate administration among patients with heart failure with preserved ejection fraction (HFpEF). METHODS AND RESULTS: We assessed carotid and aortic pressure-flow relations non-invasively before and after the administration of 0.4 mg of sublingual nitroglycerin (n = 26), and in a separate sub-study, in response to 12.9 mmoL of inorganic nitrate (n = 16). Nitroglycerin did not consistently reduce wave reflections arriving at the proximal aorta (change in real part of reflection coefficient, 1st harmonic: -0...
May 25, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28547765/mechanical-dyssynchrony-in-heart-failure-with-preserved-ejection-fraction-a-treatment-target-or-a-dead-end
#2
EDITORIAL
Bogdan A Popescu, Carmen C Beladan, Andreea C Popescu
No abstract text is available yet for this article.
May 25, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/28546456/electrocardiographic-predictors-of-heart-failure-with-reduced-versus-preserved-ejection-fraction-the-multi-ethnic-study-of-atherosclerosis
#3
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/28545949/the-conundrum-of-patient-selection-in-trials-of-heart-failure-with-preserved-ejection-fraction-exploring-the-benefits-and-risks-of-focused-phenotyping
#4
EDITORIAL
Jonathan F Plehn
No abstract text is available yet for this article.
May 22, 2017: Journal of Cardiac Failure
https://www.readbyqxmd.com/read/28545624/drug-development-for-heart-failure-with-preserved-ejection-fraction-what-pieces-are-missing-from-the-puzzle
#5
REVIEW
Michele Senni, Stephen J Greene, Javed Butler, Gregg C Fonarow, Mihai Gheorghiade
Despite the growing number of patients with heart failure with preserved ejection fraction (HFpEF) and event rates comparable with many cancers, there remain no pharmacologic agents definitively proven to improve patient outcomes. Although phase II trials have intermittently yielded encouraging results, none have translated into successful achievement of a phase III primary end point. Thus, because of the urgent need to discover proven therapies, it is prudent to reevaluate our current approach to HFpEF drug development...
June 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28542952/compensatory-and-decompensatory-alterations-in-cardiomyocyte-ca-2-dynamics-in-hearts-with-diastolic-dysfunction-following-aortic-banding
#6
Sara Gattoni, Åsmund Treu Røe, Jan Magnus Aronsen, Ivar Sjaastad, William E Louch, Nicolas P Smith, Steven A Niederer
KEY POINTS: At the cellular level cardiac hypertrophy causes remodelling, leading to changes in ionic channel, pump and exchanger densities and kinetics. Previous studies have focused on quantifying changes in channels, pumps and exchangers without quantitatively linking these changes with emergent cellular scale functionality. Two biophysical cardiac cell models were created, parameterized and validated and are able to simulate electrophysiology and calcium dynamics in myocytes from control sham operated rats and aortic-banded rats exhibiting diastolic dysfunction...
May 21, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28542926/effect-of-spironolactone-on-exercise-tolerance-and-arterial-function-in-older-adults-with-heart-failure-with-preserved-ejection-fraction
#7
Bharathi Upadhya, William G Hundley, Peter H Brubaker, Timothy M Morgan, Kathryn P Stewart, Dalane W Kitzman
OBJECTIVES: To evaluate the effects of an aldosterone antagonist on exercise intolerance in older adults with heart failure and preserved ejection fraction (HFpEF). DESIGN: Randomized, placebo-controlled, double-blind trial. SETTING: Academic medical center, Winston-Salem, North Carolina. PARTICIPANTS: Older adults (N = 80, aged 71 ± 1; 80% female) with stable compensated HFpEF and controlled blood pressure (BP)...
May 19, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28542263/inflammatory-biomarkers-as-predictors-of-heart-failure-in-women-without-obstructive-coronary-artery-disease-a-report-from-the-nhlbi-sponsored-women-s-ischemia-syndrome-evaluation-wise
#8
Ahmed AlBadri, Kha Lai, Janet Wei, Sofy Landes, Puja K Mehta, Quanlin Li, Delia Johnson, Steven E Reis, Sheryl F Kelsey, Vera Bittner, George Sopko, Leslee J Shaw, Carl J Pepine, C Noel Bairey Merz
BACKGROUND: Women with signs and symptoms of ischemia, no obstructive coronary artery disease (CAD) and preserved left ventricular ejection fraction (EF) often have diastolic dysfunction and experience elevated rates of major adverse cardiac events (MACE), including heart failure (HF) hospitalization with preserved ejection fraction (HFpEF). We evaluated the predictive value of inflammatory biomarkers for long-term HF hospitalization and all-cause mortality in these women. METHODS: We performed a cross-sectional analysis to investigate the relationships between inflammatory biomarkers [serum interleukin-6 (IL-6), C-reactive protein (hs-CRP) and serum amyloid A (SAA)] and median of 6 years follow-up for all-cause mortality and HF hospitalization among women with signs and symptoms of ischemia, non-obstructive CAD and preserved EF...
2017: PloS One
https://www.readbyqxmd.com/read/28541599/improvement-of-left-ventricular-diastolic-function-and-left-heart-morphology-in-young-women-with-morbid-obesity-six-months-after-bariatric-surgery
#9
Katarzyna Kurnicka, Justyna Domienik-Karłowicz, Barbara Lichodziejewska, Maksymilian Bielecki, Marta Kozłowska, Sylwia Goliszek, Olga Dzikowska-Diduch, Wojciech Lisik, Maciej Kosieradzki, Piotr Pruszczyk
BACKGROUND: Obesity contributes to left ventricular diastolic dysfunction (LVDD) and may lead to diastolic heart failure. Weight loss (WL) after bariatric surgery (BS) may influence LV morphology and function. Using echocardiography, this study assessed the effect of WL on LV diastolic function (LVDF) and LV and left atrium (LA) morphology 6 months after BS in young women with morbid obesity. METHODS: Echocardiography was performed in 60 women with BMI ≥ 40kg/m², aged 37...
May 25, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28541594/interatrial-shunt-device-iasd%C3%A2-implantation-a-novel-treatment-method-for-heart-failure-with-preserved-ejection-fraction
#10
Michał Kosowski, Piotr Kübler, Adam Kołodziej, Bartosz Krakowiak, Dorota Kustrzycka-Kratochwil, Janusz Sławin, Mateusz Sokolski, Jan Biegus, Robert Zymliński, Waldemar Banasiak, Piotr Ponikowski, Krzysztof Reczuch
Heart failure with preserved ejection fraction (HFpEF) is a condition with complex pathophysiology and clinical profile. No treatment has been proven to reduce mortality or reduce morbidity in a meaningful way. In the era of percutaneous cardiac interventions, a novel method of reducing left atrial pressure by creating an iatrogenic interatrial shunt has been introduced. We present a report of implantation of InterAtrial Shunt Device (IASD®) in three consecutive patients.
May 25, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28540276/plasmatic-levels-of-n-terminal-pro-bnp-in-elderly-patients-with-atrial-fibrillation-and-heart-failure-with-preserved-ejection-fraction
#11
Vasile Mircea Zăgreanu, Dana Pop, Mihnea Zdrenghea, Adela Sitar-Taut, Bogdan Caloian, Dumitru Tudor Zdrenghea
No abstract text is available yet for this article.
April 2017: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/28538380/acute-effects-of-cinacalcet-on-arterial-stiffness-and-ventricular-function-in-hemodialysis-patients-a-randomized-double-blinded-crossover-study
#12
Aurélie Poulin, Pierre-Luc Bellemare, Catherine Fortier, Fabrice Mac-Way, Simon Desmeules, Karine Marquis, Valérie Gaudreault, Marcel Lebel, Mohsen Agharazii
BACKGROUND: Serum calcium concentration (Ca) plays an essential role in a vascular muscle tone and myocardial contractility. Previously, we showed that acutely lowering Ca by hemodialysis reduced arterial stiffness. Cinacalcet is a calcimimetic that lowers Ca and parathyroid hormone (PTH). The aim of the present study was to examine whether acute lowering of Ca by cinacalcet improves vascular stiffness and myocardial diastolic dysfunction. METHOD: This is a double-blinded randomized placebo-controlled crossover study that included 21 adult patients with end-stage kidney disease undergoing chronic hemodialysis...
May 2017: Medicine (Baltimore)
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/28535775/factors-influencing-postoperative-atrial-fibrillation-in-patients-undergoing-on-pump-coronary-artery-bypass-grafting-single-center-experience
#14
Mohamed F Ismail, Ahmed F El-Mahrouk, Tamer H Hamouda, Hanan Radwan, Ali Haneef, Ahmed A Jamjoom
BACKGROUND: The reported incidence of AF after CABG surgery varies from 20 to 40%, with the arrhythmia usually occurring between second and fourth postoperative days. Postoperative AF after CABG was associated with greater in-hospital mortality and worse survival at long-term follow-up. Therefore, intensive attention has focused on the prevention of AF in high-risk patients. Many perioperative factors have been suggested to increase the incidence of postoperative AF after conventional CABG...
May 23, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28531295/right-ventricular-vascular-coupling-in-heart-failure-with-preserved-ejection-fraction-and-pre-vs-post-capillary-pulmonary-hypertension
#15
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/28530211/-pulse-wave-velocity-as-an-early-marker-of-diastolic-heart-failure-in-patients-with-hypertension
#16
Beata Moczulska, Monika Kubiak, Anna Bryczkowska, Ewa Malinowska
According to the WHO, hypertension is one of the major causes of death worldwide. It leads to a number of severe complications. Diastolic heart failure, that is heart failure with preserved ejection fraction (HFPEF), is especially common. New, but simple, indices for the early detection of patients who have not yet developed complications or are in their early developmental stages are still searched for. AIM: The aim of this study is to examine the correlation between pulse wave velocity (PWV) and markers of diastolic heart failure (DHF) assessed in echocardiography in patients with hypertension and no symptoms of heart failure...
April 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28528875/comparison-of-central-and-peripheral-hemodynamics-in-association-with-left-ventricular-diastolic-dysfunction-in-the-community-based-elderly-chinese
#17
Jing Xiong, Xuejing Yu, Shikai Yu, Bin Bai, Henry Xu, Hongwei Ji, Jiadela Teliewubai, Kai Wang, Chen Chi, Yuyan Lu, Yiwu Zhou, Ximin Fan, Jue Li, Yi Zhang, Yawei Xu
The aim of the study was to investigate the association of left ventricular diastolic dysfunction (LVDD) with central and peripheral hemodynamics. A total of 1599 community-based senior residents (aged ≥ 65 years) in northern Shanghai, China, were recruited as of August 2015. Echocardiography was performed for each participant using the MyLab30 Gold CV system. According to the recommendations from the American Society of Echocardiography, the ratio of E (peak early diastolic transmitral flow velocity) to E' (early diastolic lateral mitral annulus velocity) was assessed for the evaluation of LVDD...
April 27, 2017: Journal of the American Society of Hypertension: JASH
https://www.readbyqxmd.com/read/28528661/right-sided-cardiac-dysfunction-in-heart-failure-with-preserved-ejection-fraction-and-worsening-renal-function
#18
Monica Mukherjee, Kavita Sharma, Jose A Madrazo, Ryan J Tedford, Stuart D Russell, Allison G Hays
In urban populations, worsening renal function (WRF) is well established in patients hospitalized with acute decompensated heart failure with preserved ejection fraction (HFpEF). However, the mechanisms for development of WRF in the setting of acute HF in HFpEF are unclear. In the present study, we sought to characterize conventional echocardiographic measures of right ventricular (RV) chamber size and function to determine whether RV dysfunction and/or adverse RV remodeling is related to WRF in patients with HFpEF...
April 27, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28528579/phosphodiesterase-type-5-inhibition-may-reduce-diastolic-function-in-women-with-ischemia-but-no-obstructive-coronary-artery-disease
#19
Michael D Nelson, Puja K Mehta, Janet Wei, Behzad Sharif, Louise E J Thomson, Daniel Berman, Debiao Li, C Noel Bairey Merz
BACKGROUND: Ischemia, in the absence of obstructive coronary artery disease, is prevalent in women, and associated with increased risk for major cardiovascular events. Coronary microvascular dysfunction is prevalent in these patients, and associated with impaired diastolic function. Despite our general understanding, however, optimal treatment of this cohort remains elusive. METHODS: To address this knowledge gap, we performed an open-label treatment trial to assess whether phosphodiesterase type 5 inhibition improves coronary microvascular perfusion and diastolic function in women with signs and symptoms of ischemia but no evidence of obstructive coronary artery disease...
May 22, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28524029/-predictive-value-of-left-ventricular-diastolic-dysfunction-on-mechanical-ventilation-weaning
#20
Hui Wang, Ming Ma, Desheng Chen, Gang Li, Shupeng Wang, Jingen Xia, Jun Duan
OBJECTIVE: To investigate the predictive value of left ventricular diastolic function on mechanical ventilation weaning in patients with left ventricular ejection fraction (LVEF) > 0.50. METHODS: A retrospective case control study was conducted. Sixty-five patients with LVEF > 0.50 undergoing mechanical ventilation for more than 48 hours admitted to surgery intensive care unit (ICU) of China-Japan Friendship Hospital from June 2014 to December 2016 were enrolled...
May 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
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