Results: 538

Cardiac vagal index varies according to field position in male elite football players

BACKGROUND: Cardiac vagal index (CVI) is supposedly higher in athletes and may differ between sports and/or between field positions. OBJECTIVE: To compare CVI: a) between elite football players vs. non-athletes and b) according to five football positions. METHOD: 242 football players of the first Brazi...

Multicomponent exercise decreases blood pressure, heart rate and double product in normotensive and hypertensive older patients with high blood pressure

Arch. cardiol. Méx; 88 (5), 2018
Abstract Objective: The present study aimed to investigate the effects of a 6-month multicomponent exercise program on blood pressure, heart rate, and double product of uncontrolled and controlled normotensive and hypertensive older patients. Methods: The study included 183 subjects, 97 normotensives...

Efecto agudo del consumo de yerba mate (Ilex paraguariensis) sobre el ritmo cardíaco en pacientes derivados para estudio Holter

Arch. cardiol. Méx; 88 (5), 2018
Resumen Introducción: El consumo de yerba mate (YM) (Ilex paraguariensis) es común en Sudamérica y se extiende a todo el mundo. Contiene muchas sustancias bioactivas que pueden ser beneficiosas. También existe la opinión de que puede tener efectos nocivos sobre el ritmo cardíaco, pero no encontra...

Clinical application of the Standard Operating Procedure of Positioning with Premature Infants

Rev. bras. enferm; 71 (supl.3), 2018
ABSTRACT Objective: To compare the physiological and behavioral responses of Premature Infant (PREEMIE) positioned by the Unit Routine Decubitus (URD) and the Standard Operating Procedure (SOP). Method: A quasi-experimental comparative study performed at a Neonatal Intensive Care Unit in Southern Brazi...

Diagnóstico matemático de dinámica cardiaca en 16 horas y evaluación de variables hemodinámicas en la Unidad de Cuidados Intensivos

Antecedentes: desde los sistemas dinámicos se desarrolló un diagnóstico de la dinámica cardiaca de aplicación clínica en 16 horas, de utilidad en pacientes de Unidad de Cuidados Intensivos. Objetivos: confirmar la capacidad diagnóstica de la nueva metodología de evaluación de la dinámica card...

Involvement of rest diastolic arterial pressure in autonomic heart rate recovery from exercise in normotensive men

OBJECTIVE: Rest arterial pressure has been shown to be associated with cardiovascular mortality. Autonomic heart rate control during recovery from exercise is estimated to detect changes in cardiovascular system, which may lead to cardiovascular diseases. We assessed the involvement of rest diastolic art...

Monitorização do sistema nervoso autônomo em ambiente de cuidados intensivos como ferramenta de prognóstico. Revisão sistemática

RESUMO Objetivo: Apresentar uma revisão sistemática do uso da monitorização do sistema nervoso autônomo como ferramenta de prognóstico, verificando a variabilidade da frequência cardíaca nas unidades de cuidados intensivos. Métodos: Revisão de literatura publicada até julho de 2016 na PubMed...

Cardiac Autonomic Functions May be Influenced by Body Weight

Arq. bras. cardiol; 109 (6), 2017

El entrenamiento físico restaura la variabilidad del ritmo cardiaco en la insuficiencia cardiaca. Revisión sistemática

Arch. cardiol. Méx; 87 (4), 2017
Resumen: Las enfermedades cardiovasculares constituyen una causa importante de morbi-mortalidad en la población general. En este sentido el desbalance autonómico forma parte del cuadro fisiopatológico que subyace al desarrollo de estas enfermedades. El objetivo de este estudio fue determinar el efecto...

11β-hydroxysteroid dehydrogenase type-II activity is affected by grapefruit juice and intense muscular work

ABSTRACT Objective The enzymatic activity of 11β-hydroxysteroid dehydrogenase-2 (11β-HSD2) is key to protecting mineral corticoid receptors from cortisol and has been implicated in blood pressure regulation. Grapefruit juice (GFJ) and acidity are thought to inhibit this enzyme in vitro. This ...