Results 61 to 70 of about 15,795 (219)

Inhibition of nitric oxide synthesis for four days induces vascular abnormalities and myocardial infarct areas but not significant arterial hypertension Inibição da síntese do óxido nítrico durante quatro dias induz anormalidades vasculares e áreas de infarto miocárdico, porém, não induz hipertensão arterial significativa

open access: yesJornal Vascular Brasileiro, 2012
BACKGROUND: Nitric oxide is an endothelium vasorelaxing factor and at least in some cases is the main cause of arterial hypertension, which is one of the most important risk factors of cardiovascular diseases.
Ricardo Xavier-Vidal
doaj   +1 more source

Is Surgical Treatment for Obstructive Sleep Apnea in Infants and Toddlers Safe? A Retrospective Comparative Analysis

open access: yesClinical Otolaryngology, Volume 51, Issue 3, Page 418-425, May 2026.
ABSTRACT Objective To assess if surgery for Obstructive Sleep Apnea Disorder (OSAD) is safe for infants and toddlers. Methods Retrospective cohort study of paediatric patients undergoing OSA surgery; partial or complete tonsillectomy with adenoidectomy, tonsillectomy without adenoidectomy and adenoidectomy.
Daniel Levi   +8 more
wiley   +1 more source

Lineage analysis of circulating Trypanosoma cruzi parasites and their association with clinical forms of Chagas disease in Bolivia. [PDF]

open access: yesPLoS Neglected Tropical Diseases, 2010
BACKGROUND: The causative agent of Chagas disease, Trypanosoma cruzi, is divided into 6 Discrete Typing Units (DTU): Tc I, IIa, IIb, IIc, IId and IIe. In order to assess the relative pathogenicities of different DTUs, blood samples from three different ...
Ramona del Puerto   +14 more
doaj   +1 more source

Clinical manifestations and evolution of infection by influenza A (H1N1) in kidney transplant recipients [PDF]

open access: yes, 2011
INTRODUCTION: The emergence of the pan>demic outbreak of influenza A (H1N1) in April, 2009, represented a logistic challenge for public health. Although most infected patients presented clinical and evolutionary manifestations which were very similar to ...
Camargo, Luís Fernando Aranha   +7 more
core   +2 more sources

Evaluation of Serum Ferritin Levels and Their Correlation With Clinical Outcomes in Dengue Virus Infection in a Population of Older Adults

open access: yesTropical Medicine &International Health, Volume 31, Issue 5, Page 651-656, May 2026.
ABSTRACT Objectives Prior studies have associated elevated ferritin levels with worse dengue outcomes but data from older adults remain limited. The aim of this study is to evaluate the serum ferritin levels and their correlation with disease severity in a population of older adults.
Sacha Orberg Temer   +3 more
wiley   +1 more source

The Functions of Cytokines in the Cardiac Immunopathogenesis of Chagas Disease

open access: yesPathogens
Chagas disease is a complex zoonosis. Clinically, it presents in two distinct phases, acute and chronic. The ability of patients to respond to Trypanosoma cruzi infection depends on the balance between inflammatory and anti-inflammatory responses, in ...
Mariana Citlalli de Alba-Alvarado   +4 more
doaj   +1 more source

PARP-Inhibitor Treatment Prevents Hypertension Induced Cardiac Remodeling by Favorable Modulation of Heat Shock Proteins, Akt-1/GSK-3β and Several PKC Isoforms [PDF]

open access: yes, 2014
Spontaneously hypertensive rat (SHR) is a suitable model for studies of the complications of hypertension. It is known that activation of poly(ADP-ribose) polymerase enzyme (PARP) plays an important role in the development of postinfarction as well as ...
Bartha, Éva   +11 more
core   +4 more sources

Vascularized Cardiac Tissue Engineering: From Advances in Biofabrication to Translational Applications

open access: yesAdvanced Science, Volume 13, Issue 23, 23 April 2026.
This review presents a process‐oriented framework for vascularized cardiac tissue engineering, highlighting how the coordinated design of cells, biomaterials, and biofabrication strategies enables the functional development or vascularized myocardium for disease modelling and drug discovery.
Yang Liu   +9 more
wiley   +1 more source

Increased DNA Copy Number Variation Mosaicism in Elderly Human Brain. [PDF]

open access: yes, 2018
Aging is a complex process strongly determined by genetics. Previous reports have shown that the genome of neuronal cells displays somatic genomic mosaicism including DNA copy number variations (CNVs).
Grinberg, Lea T   +7 more
core   +1 more source

Recanalization of Thrombosed Atrial Flow Regulator in Failing Fontan: A Bridge to Transplant

open access: yesCatheterization and Cardiovascular Interventions, Volume 107, Issue 5, Page 1380-1383, April 1, 2026.
ABSTRACT We report the case of a 10‐year‐old boy (41 kg, 133 cm) with hypoplastic left heart syndrome (mitral and aortic atresia), who underwent staged palliation: Norwood‐Sano at 6 days, Glenn at 7 months, and Fontan completion at 3 years using a 16 mm non‐fenestrated extracardiac Gore‐Tex conduit.
Raymond N. Haddad   +3 more
wiley   +1 more source

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