Results: 10

Apoyo inotrópico en el paciente anciano quirúrgico

Rev. chil. anest; 51 (5), 2022
The hemodynamic behavior of the elderly patient can be compromised during the intraoperative period by decreasing cardiac output, both in response to the physiological wear and tear of age, and because of anesthetic agents. The objective of the pre- sent study was to identify the usefulness of dobutamine...

Covid-19 – uso racional do gás oxigênio (O2)

A pandemia do novo coronavírus trouxe grande sobrecarga aos sistemas de saúde de todo o mundo, especialmente aos países de baixa e média renda (BONG CL et al, 2020). O atraso da vacinação tem agravado a situação nestes países, aumentando o índice de novos casos e a mortalidade pela doença (WHO...

The promise of growth hormone in sport: doped or duped

ABSTRACT Skeletal muscle is a target tissue of GH. Based on its anabolic properties, it is widely accepted that GH enhances muscle performance in sports. Athletic performance depends on muscle strength and the energy required to power muscle function. The energy required to power muscle function is deriv...

Does caffeine ingestion before a short-term sprint interval training promote body fat loss?

Braz. j. med. biol. res; 52 (12), 2019
We investigated the effect of caffeine ingestion combined with a 2-wk sprint interval training (SIT) on training-induced reductions in body adiposity. Twenty physically-active men ingested either 5 mg/kg of cellulose as a placebo (PLA, n=10) or 5 mg/kg of caffeine (CAF, n=10) 60 min before each SIT sessi...

Does low serum TSH within the normal range have negative impact on physical exercise capacity and quality of life of healthy elderly people?

Objective Investigate the differences in cardiopulmonary (CP) capacity and Quality of Life (QOL) between healthy elderly (≥ 65 years) with different TSH levels (< 1.0 and ≥ 1.0 μIU/mL) both within the normal range. Also, evaluate the effects of TSH elevation on CP test and QOL, by ad...

Effect of Nebivolol on MIBG Parameters and Exercise in Heart Failure with Normal Ejection Fraction

Arq. bras. cardiol; 106 (5), 2016
Abstract Background: More than 50% of the patients with heart failure have normal ejection fraction (HFNEF). Iodine-123 metaiodobenzylguanidine (123I-MIBG) scintigraphy and cardiopulmonary exercise test (CPET) are prognostic markers in HFNEF. Nebivolol is a beta-blocker with vasodilating properties. Ob...

Curcumin restores mitochondrial functions and decreases lipid peroxidation in liver and kidneys of diabetic db/db mice

Biol. Res; 47 (), 2014
BACKGROUND: Nitrosative and oxidative stress play a key role in obesity and diabetes-related mitochondrial dysfunction. The objective was to investigate the effect of curcumin treatment on state 3 and 4 oxygen consumption, nitric oxide (NO) synthesis, ATPase activity and lipid oxidation in mitochondria i...

Comportamento do oxigênio intramiocárdico durante variaçöes da relaçäo oferta: consumo de oxigênio pelo coraçäo; II. Efeito de drogas simpatomiméticas
Behavior of intramyocardial oxygen during variations of the demand-supply ratio of oxygen by the heart: II. Effect of sympathomimetic drugs

Arq. bras. cardiol; 47 (2), 1986
O comportamento da tensäo de oxigênio intramiocárdico (PO2M) e sua relaçäo com a tensäo de oxigênio do sangue do seio coronário (PO2SC), medidas pelo método polarográfico foram estudados em cäes anestesiados durante administraçäo de drogas simpatomiméticas. A infusäo de isoproterenol dimin...

Comportamento do oxigênio intramiocárdio durante variaçöes da relaçäo oferta-consumo de oxigênio: I. Efeito dos bloqueadores de cálcio
Behavior of intramyocardial oxygen during variations of the supply-consumption ratio of oxygen: I. Effect of calcium blockers

Arq. bras. cardiol; 46 (6), 1986
O comportamento da tensäo de oxigênio intramiocárdio (PO2M) e sua relaçäo com a tensäo de oxigênio do sangue do seio coronário (PO2SC) foram estudados em cäes anestesiados durante infusäo de verapamil. As medidas das tensöes de oxigênio foram feitas por meio do método polarográfico. Foram t...