Results 121 to 130 of about 294,413 (307)

Heart failure with a normal ejection fraction [PDF]

open access: yesHeart, 2005
Nearly half of patients with symptoms of heart failure are found to have a normal left ventricular (LV) ejection fraction. This has variously been labelled as diastolic heart failure, heart failure with preserved LV function or heart failure with a normal ejection fraction (HFNEF).
openaire   +2 more sources

Pulsed Laser‐Assisted Phase Engineering of Multimetallic Colloidal Nanocrystals With Complex Compositions

open access: yesAdvanced Materials, EarlyView.
The engineering of colloidal nanocrystals with complex compositions has emerged as a highly active area of research within nanomaterials science. This review covers key aspects of colloidal solid‐solution nanocrystal formation using pulsed laser irradiation.
Marina T. Candela   +4 more
wiley   +1 more source

Baseline left ventricular ejection fraction in survivors and non-survivors [PDF]

open access: yes, 2011
Seven of fourteen non-survivors and five of eight survivors had a reduced ejection fraction (less than 55 per cent). The lower mean ejection fraction in survivors did not reach statistical significance in comparison to the higher ejection fraction in non-
Eugene Bunnell (51074)   +5 more
core   +1 more source

E. coli Extracellular Matrix: A Tunable Composite With Hierarchical Structure

open access: yesAdvanced Materials, EarlyView.
The complex composite‐like mechanical behavior of E. coli biofilm matrix is the result of a synergic contribution of the rigid curli and swelling pEtN‐cellulose, and emerges from specific ratio and assembly conditions. The interactions between the two fibers govern biofilm hydration and characteristic wrinkling patterns, providing crucial insights for ...
Macarena Siri   +7 more
wiley   +1 more source

Effects of inspiratory muscle training in patients with heart failure with preserved ejection fraction [PDF]

open access: yes, 2014
BACKGROUND Heart failure with preserved ejection fraction (HFpEF) is remarkably common in elderly people with highly prevalent comorbid conditions. Despite its increasing in prevalence, there is no evidence-based effective therapy for HFpEF. We sought
Mascarell, Beatriz   +9 more
core   +1 more source

Biomarkers in the Pathogenesis of Heart Failure with Preserved as Well as Reduced Ejection Fraction: A Cross-sectional Study

open access: yesInternational Journal of the Cardiovascular Academy
Background and Aim: Heart failure (HF) is a multifaceted cardiovascular condition characterized by various pathophysiological mechanisms that lead to impaired ventricular structure or function.
Sowmiya Thiyagarajan   +3 more
doaj   +1 more source

Decoupling Activation and Preservation: Architectural Design Principles of Organic Frameworks for Selective Photocatalytic Methane Oxidation

open access: yesAdvanced Materials, EarlyView.
Selective methane (CH4) photooxidation emerges from architectural decoupling of activation and preservation. Programmable organic semiconductor frameworks spatially organize oxidative flux and intermediate residence, separating reaction zones from product domains to synchronize activation strength with stabilization and establish a selective oxidation ...
Minxian Zhang   +5 more
wiley   +1 more source

New diagnostic perspectives on heart failure with preserved ejection fraction: systolic function beyond ejection fraction [PDF]

open access: yes, 2015
Although preserved ejection fraction is found in more than 50% of patients with heart failure, its acceptance as a specific clinical entity is limited. More understanding of the physiopathology, early diagnosis and medical management is needed.
Carerj, Scipione   +9 more
core   +1 more source

NEW EMPHASES ON THE STUDY OF THE PATHOGENESIS OF CHRONIC HEART FAILURE WITH PRESERVED EJECTION FRACTION: FOCUS ON INFLAMMATORY MARKERS

open access: yesРациональная фармакотерапия в кардиологии, 2015
For the long time the systolic myocardial dysfunction was traditionally associated with the severity of chronic heart failure (CHF). Increasing number of patients with symptoms of CHF but without systolic dysfunction has drawn the attention of ...
O. M. Drapkina, L. O. Palatkina
doaj   +1 more source

Electrical Resistivity Change Upon Crystallization as a Robust Descriptor for Metallic Glass Forming Ability

open access: yesAdvanced Materials, EarlyView.
Electrical resistivity change upon annealing is introduced as a rapid descriptor for identifying high glass‐forming ability in metallic glasses. High‐throughput combinatorial thin‐film libraries reveal that compositions exhibiting small resistivity changes correspond to sluggish crystallization behavior and known bulk metallic glass regions, enabling ...
Haechan Jo   +5 more
wiley   +1 more source

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