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Publications (76)
Background
Chagas disease (CD) is a neglected endemic disease with worldwide impact due to migration. Approximately 50–70% of individuals in the chronic phase of CD present the indeterminate form, characterized by parasitological and/or serological evidence of Trypanosoma cruzi infection, but without clinical signs and symptoms. Subclinical abnorma...
Background: The identification of variables obtained in the exercise test (ET) associated with increased risk of death is clinically relevant and would provide additional information for the management of Chagas disease (CD). The objective of the present study was to evaluate the association of ET variables with mortality in patients with chronic C...
Purpose: This study aimed to evaluate whether there is a correlation between the maximum strength of upper limb when performing a multijoint exercise and peak oxygen uptake (V’O2peak) in Chronic Heart Failure (CHF) subjects. Method: This cross-sectional study involved CHF subjects with a left ventricular ejection fraction (LVEF) less than 50%, who...
Chronic kidney disease (CKD) is defined as damage to kidney function. Patients have high prevalence of death by cardiovascular events before the final stages of the disease, with higher mortality in dialytic stage, in which autonomic imbalance is evidenced. This study seeks to evaluate sympathovagal modulation of patients with CKD undergoing hemodi...
A Após a leitura atenta e, com grande interesse, no recente artigo publicado nos Arquivos Brasileiros de Cardiologia 1 , que tem como proposta atualizar a Diretriz Brasileira de Reabilitação Cardiovascular, nos causou enorme surpresa a forma como foram descritos muitos aspectos relacionados ao tema tão relevante e de abordagem multidisciplinar. De...
Introduction
There is controversy about the repercussions of high speed-low amplitude thrust (HVLAT) manipulation in the thoracic region on the autonomic nervous system. Objective: To evaluate the immediate effects of the HVLAT in the high thoracic region on the heart rate autonomic modulation of judo athletes.
Methods
In the experimental study, t...
Introdução: O exercício físico é um dos principais pilares do programa de reabilitação cardiovascular (RC). Entretanto, devido ao isolamento social adotado pelas autoridades públicas por causa da pandemia da infecção provocada pelo novo coronavírus (COVID-19), a realização de RC em ambiente ambulatorial é impraticável neste momento. Objetivo: Discu...
Introduction:
Patients in the postoperative period of coronary artery bypass grafting (CABG) present respiratory and autonomic dysfunctions. In this sense, cardiovascular physiotherapy has been offered as an indispensable differential for the improvement of the prognosis of this population. Heart rate variability is a simple, noninvasive method to...
Aims:
Patients with Chagas cardiomyopathy (ChC) could have a significant reduction in functional capacity (FC). This study aimed to report the effect of a 24-week combined physical exercise program on the FC of a patient with ChC.
Methods:
A woman, 44 years old, with positive serology for ChC in stage B2 has submitted the following assessments: i)...
Objectives:
The present study compared cardiorespiratory capacity between cirrhotic patients and healthy subjects.
Methods:
Nineteen cirrhotic patients and 19 healthy subjects, paired by age and gender, participated in the study. Volunteers performed an incremental cardiopulmonary test with a ramp protocol, a ventilatory and metabolic variables...
Objective:
To verify the concurrent validity between the inspiratory muscle strength (IMS) values obtained in static (maximal inspiratory pressure [MIP]) and dynamic (S-Index) assessments.
Methods:
Healthy individuals were submitted to two periods of evaluation: i) MIP, static maneuver to obtain IMS, determined by the Mueller’s maneuver from resid...
A COVID-19 é provocada pelo novo coronavírus SARS-CoV-2 e os primeiros casos foram notificados em dezembro de 2019 na Província de Wuhan na China. Na sequência, rapidamente o vírus alcançou a Europa, Estados Unidos e desembarcou no Brasil. Mesmo depois de quatro meses do primeiro caso confirmado na cidade de São Paulo (04 de março de 2020), muitas...
Cardiopulmonary exercise testing (CPX) is a noninvasive method for assessing physiological changes during physical exercise. Functional capacity has been evaluated using prediction equations. However, this evaluation method may yield different outcomes when applied to a healthy male population and patients with chronic heart failure (HF). This stud...
A doença causada pelo novo coronavírus (COVID-19) afeta principalmente o sistema respiratório, podendo progredir nos casos mais graves para pneumonia e síndrome do desconforto respiratório agudo. A COVID-19 é provocada pelo coronavírus SARS-CoV-2 e os primeiros casos foram notificados em dezembro de 2019 na Província de Wuhan (China). Na sequência,...
Temas abordados: Contextualização sobre exercício físico e COVID-19; • Sistema respiratório; • Exercícios respiratórios diafragmático; • Fortalecimento muscular inspiratório;
• Respirar para relaxar; • Uso de máscaras.
• CONTEXTUALIZAÇÃO SOBRE EXERCÍCIO FÍSICO E COVID-19
• EXERCÍCIO FÍSICO AUMENTA SUA IMUNIDADE?
• RECOMENDAÇÃO DE EXERCÍCIO FÍSICO DURANTE A QUARENTENA PARA PREVENÇÃO DA COVID-19
• PROGRAMA DE EXERCÍCIO FÍSICO PARA INDIVÍDUOS COM SÍNDROME GRIPAL OU COM COVID-19 ASSINTOMÁTICOS OU COM POUCOS SINTOMAS EM QUARENTENA
• PROGRAMA DE EXERCÍCIO FÍSICO PARA I...
A proposta desse E-Book é mostrar os benefícios do exercício físico e respiratórios durante a quarentena no enfrentamento da COVID-19. Neste contexto serão abordados os seguintes temas: contextualização sobre exercício físico e COVID-19; exercício físico aumenta sua imunidade?; recomendação de exercício físico durante a quarentena para prevenção da...
A reabilitação cardiovascular com ênfase nos exercícios físicos tem sido documentada em pacientes com insuficiência cardíaca, demonstrando diminuição da morbimortalidade cardiovascular, bem como redução da taxa de hospitalizaçãoe melhora na qualidade de vida.No mundo, o sedentarismo tem forte correlação com o aparecimento de doença cardiovascular e...
Purpose:
The present study compared the level of agreement of anaerobic threshold (AT) between ventilatory and near-infrared spectroscopy (NIRS) techniques in patients with chronic heart failure (CHF) and healthy subjects.
Methods:
Patients with CHF (n = 9) and a control group (CG; n = 14) underwent cardiopulmonary exercise testing on a cycle er...
Purpose: This study compared the acute effects of two different resistance training methods on heart rate variability, blood pressure, and rating of perceived exertion in patients with liver cirrhosis. Methods: Ten patients with Child-Pugh A (seven women and three men) participated in two experimental sessions, in random order: The traditional set...
Introduction: Cardiovascular diseases (CVD) are the leading cause of death worldwide. The
sedentary lifestyle stands out as one of the main risk factors related to CVD. A thorough evaluation
must be carried out to prescribe properly, respecting the biological individuality. Cardiopulmonary
exercise test (CPET) is a useful tool in determining functi...
da Silva Araujo, G, Behm, DG, Monteiro, ER, de Melo Fiuza, AGF, Gomes, TM, Vianna, JM, Reis, MS, and da Silva Novaes, J. Order effects of resistance and stretching exercises on heart rate variability and blood pressure in healthy adults. J Strength Cond Res 33(10): 2684–2693, 2019—The purpose of this study was to compare the acute effect of differe...
Order effects of resistance and stretching exercises on heart rate variability and blood pressure in healthy adults. J Strength Cond Res 33(10): 2684-2693, 2019-The purpose of this study was to compare the acute effect of different combinations and order of resistance exercise (RE) and stretching exercise (SE) on heart rate variability, systolic bl...
O teste de exercício cardiopulmonar (TECP) é um método não invasivo de avaliação global da integridade dos ajustes fisiológicos no organismo humano durante a execução do exercício físico. Na prática clínica, o TECP tem sido utilizado com as mais diversas finalidades. O profissional capacitado pode utilizá-lo principalmente para avaliar a capacidade...
Chronic Aquatic physical exercise during pregnancy helps reduce heart rate variability mainly in women in their third trimester gestational. In this context, the purpose of the study was to assess the acute of aquatic physical on heart rate variability in pregnant women in their third trimester. Twenty-one pregnant women (31.18 ± 3.21 years-old, 1....
Aim was to identify critical load (CL) in young and elderly apparently healthy male cohorts. To contrast the metabolic, cardiovascular and perceptual responses on CL according to age. We evaluated 12 young (23 ± 3 years) and 10 elderly (70 ± 2 years) apparently healthy active males, who underwent: (1) 1 repetition maximum (1RM) test on a 45° Leg Pr...
The purpose of this study was to analyze and compare heart rate (HR), heart rate variability (HRV), and blood pressure (BP) responses during and after circuit resistance training with 1 min. (CIR1) vs. 2 min. (CIR2) rest intervals between exercises in liver cirrhosis patients. 10 patients (7 women, 3 men) participated in 2 experimental sessions (CI...
OBJECTIVE
The objective of this study was to investigate the interaction among the determinants of expiratory flow limitation (EFL), peak oxygen uptake (VO2peak), dysanapsis ratio (DR) and age during cycling at different intensities in young and middle-aged men.
METHODS
Twenty-two (11 young and 11 middle-aged) men were assessed. Pulmonary function...
RESUMO Comparar a validade de duas fórmulas de predição do consumo de oxigênio (VO2) com os valores obtidos no teste cardiopulmonar (TCP) em esteira ergométrica de jogadoras de futebol profissional. Dezoito jogadoras de futebol profissional foram submetidas ao TCP em esteira em um protocolo de carga incremental. Na sequência, foi determinado o VO2...
Araujo GS, Behm DG, Monteiro ER, Fiuza AG, Telles LGS, Gomes TM, Vianna JM, Reis MS, Novaes JS. Order Effects of Resistance and Stretching Exercises on Hemodynamic Responses in Healthy Adults. JEPonline 2018;21(4):79-89. The purpose of the present study was to compare the acute effect of different combinations of stretching (SE) and resistance exer...
Fiuza AG, Pescatello LS, Monteiro ER, Chaves E, Araújo GS, Lourenço EM, Mansur HN, Silva MS, Novaes JS. Water Exercise has Less Sympathetic Modulation in Pregnant Women of Third Trimester Compared to Treadmill Exercise. JEPonline 2018;21 (4):150-161. This study compared the acute effect of the autonomic modulation in pregnant women during their thi...
Araujo GS, Behm DG, Monteiro ER, Fiuza AG, Telles LGS, Gomes TM, Vianna JM, Reis MS, Novaes JS. Order Effects of Resistance and Stretching Exercises on Hemodynamic Responses in Healthy Adults. JEPonline 2018;21(4):79-89. The purpose of the present study was to compare the acute effect of different combinations of stretching (SE) and resistance exer...
Objective
The aim of this study is to characterize the presence of exercise oscillatory ventilation (EOV) and to relate it with other cardiopulmonary exercise test (CET) responses and clinical variables.
Methods
Forty-six male patients (age: 53.1±13.6 years old; left ventricular ejection fraction [LVEF]: 30±8%) with heart failure were recruited to...
Background:
It has been difficult to prove that the "catecholamine-induced cardiomyopathy" contributes to the mechanism of sudden cardiac death in Chagas heart disease. Also, it is almost impossible to rule out the possibility that is not involved in the process. More importantly, the vagal-cholinergic pathway in the ventricle plays a direct role...
Purpose: We aimed to investigate the ability of oxygen uptake kinetics to predict short-term outcomes after off-pump coronary artery bypass grafting.
Methods: Fifty-two patients aged 60.9 ± 7.8 years waiting for off-pump coronary artery bypass surgery were evaluated. The 6-min walk test distance was performed pre-operatively, while simultaneously u...
Background:
Anaerobic threshold (AT) is recognized as objective and direct measurement that reflects variations in metabolism of skeletal muscles during exercise. Its prognostic value in heart diseases of non-chagasic etiology is well established. However, the assessment of risk of death in Chagas heart disease is relatively well established by Ra...
Introduction
The anaerobic threshold (AT) is an objective and direct measurement that reflects variations in metabolism of skeletal muscles during exercise. Its prognostic value in heart disease of non-Chagas etiology is well established. The risk of mortality in Chagas cardiomyopathy is relatively well assessed by the Rassi score. However, the add...
Heart failure is characterized by the inability of the cardiovascular system to maintain oxygen (O2) delivery (i.e., muscle blood flow in non-hypoxemic patients) to meet O2 demands. The resulting increase in fractional O2 extraction can be non-invasively tracked by deoxygenated hemoglobin concentration (deoxi-Hb) as measured by near-infrared spectr...
Heart rate (HR) fluctuate during the respiratory cycle. This phenomenon is known as respiratory sinus arrhythmia. The deep breathing test is to keep a paced breathing in six breathing per minute and I:E relationship 1:1. The purpose of this study is to access minute volume, expired fraction of carbon dioxide (EFCO2) and autonomic control of heart r...
Objective:
To evaluate heart rate variability during an inspiratory muscle endurance protocol at three different load levels [30%, 60% and 80% of maximal inspiratory pressure], in patients who had previously undergone coronary artery bypass grafting.
Methods:
Nineteen late postoperative myocardial revascularization patients participating in a ca...
[Purpose] This study evaluated the effect of Bilevel Positive Airway (BiPAP) on the autonomic control of heart rate, assessed by heart rate variability (HRV), in patients hospitalized with decompensated heart failure. [Subjects and Methods] This prospective cross-sectional study included 20 subjects (age: 69±8 years, 12 male, left ventricular eject...
The purpose of this study was to evaluate the influence of an early cardiac rehabilitation (CR) program on health-related quality of life (HRQL) and functional capacity in patients who recently experienced an acute myocardial infarction (AMI). This program was initiated in the inpatient setting and was followed by an unsupervised outpatient interve...
Background:
Chronic heart failure (CHF) leads to exercise intolerance. However, non-invasive ventilation is able to improve functional capacity of patients with CHF.
Objectives:
The aim of this study was to evaluate the effectiveness of continuous positive airway pressure (CPAP) on physical exercise tolerance and heart rate variability (HRV) in...
Fibromyalgia (FM) has been associated with cardiac autonomic abnormalities and pain. Heart rate variability (HRV) is reduced in FM with autonomic tone dominated by sympathetic activity. The purpose of this study was to evaluate the effects of one session of a posteroanterior glide technique on both autonomic modulation and pain in woman with FM. Th...
There is a synchronism between the respiratory and cardiac cycles. However, the relationship of inspiratory muscle weakness in chronic heart failure (CHF) on cardiac autonomic modulation is unknown. The purpose of the present investigation was to evaluate the impact of inspiratory muscle strength on the magnitude of respiratory sinus arrhythmia.
Te...
Aging leads to low functional capacity and this can be reversed by safe and adequate exercise prescription.
The aim of this study was to identify the anaerobic threshold (AT) obtained from the V-slope method as well as visual inspection of oxyhemoglobin ( O2Hb) and deoxyhemoglobin (HHb) curves and compare findings with the heteroscedastic (HS) meth...
This purpose of this study was to: 1) determine the intensity corresponding to anaerobic threshold (AT) during a discontinuous resistance exercise protocol in healthy young and elderly subjects by analyzing heart rate variability (HRV) and blood lactate (BL) and 2) investigate the effect of aging on these variables. A total of 28 individuals, 14 yo...
INTRODUCTION: Chronic Obstructive Pulmonary Disease (COPD) is characterized by structural alterations of lung parenchyma resulting in systemic manifestations. These patients may have marked change in cardiac autonomic control. In this context, studies investigating heart rate variability (HRV) in patients with COPD during physical exercise cycloerg...
Patients with chronic obstructive pulmonary disease (COPD) present with reduced exercise capacity due to impaired oxygen consumption (VO(2)), caused primarily by pulmonary dysfunction and deleterious peripheral adaptations. Assuming that COPD patients present with slower VO(2) and heart rate (HR) on-kinetics, we hypothesized that this finding is re...
Syncope is characterized by sudden and transient loss of consciousness and postural tone, followed by a fall. From a physiological point of view autonomic nervous dysfunctionis noted in neurocar-diogenic syndrome. The aim of this study was to assess the heart rate variability (HRV) in different postures in a patient with neurocardiogenic syncope. T...
To evaluate the acute effect of physiotherapy (deep breathing exercises and walking) on heart rate variability in patients hospitalised with chronic heart failure (CHF).
Ten males with CHF (57 ± 7 years) and 10 healthy controls (59 ± 9 years) were included. Heart rate and RR intervals were recorded in the following conditions: supine, seated, durin...
Non-invasive ventilation may improve autonomic modulation and ventilatory parameters in severely disabled patients. The aim of the present study was to evaluate the physiological influence of acute treatment with different levels of continuous positive airway pressure (CPAP) on the autonomic balance of heart and respiratory responses in patients wi...
It is currently unclear whether the additive effects of a long-acting beta(2)-agonist (LABA) and the antimuscarinic tiotropium bromide (TIO) on resting lung function are translated into lower operating lung volumes and improved exercise tolerance in patients with chronic obstructive pulmonary disease (COPD).
On a double-blind and cross-over study,...
To evaluate the autonomic modulation of heart rate (HR) at rest in the supine position and during a respiratory sinus arrhythmia maneuver (M-RSA) among participants with chronic obstructive pulmonary disease (COPD) or with chronic heart failure (CHF).
Twenty-eight men were divided into three groups: ten with COPD, aged 69+/-9 years; nine with CHF,...
OBJECTIVE:
To evaluate the autonomic modulation of heart rate (HR) at rest in the supine
position and during a respiratory sinus arrhythmia maneuver (M-RSA) among participants
with chronic obstructive pulmonary disease (COPD) or with chronic heart failure
(CHF).METHODS: Twenty-eight men were divided into three groups: ten with COPD,
aged 69±9...
A synchronism exists between the respiratory and cardiac cycles. However, the influence of the inspiratory muscle weakness in chronic obstructive pulmonary disease (COPD) on cardiac autonomic control is unknown. The purpose of the present investigation was to evaluate the influence of respiratory muscle strength on autonomic control in these patien...
The purpose of present study was to evaluate the acute effects of bi-level positive airway pressure (BiPAP) on heart rate variability (HRV) of stable chronic obstructive pulmonary disease patients (COPD).
Nineteen males with COPD (69+/-8 years and with forced expiratory volume in 1s <50% of predicted) and eight healthy sedentary age-matched (69 yea...
OBJETIVO: Avaliar a atividade autonômica de uma adolescente com ventrículo único (VU), sem correção cirúrgica, participante de um programa de fisioterapia. MATERIAIS E MÉTODOS: Paciente do sexo feminino, 14 anos, com diagnóstico de VU tipo esquerdo, sem correção cirúrgica. A atividade autonômica foi avaliada pela variabilidade da freqüência cardíac...
Objective: To evaluate the autonomic activity of an adolescent with a single ventricle without surgical correction who participated in a physical therapy program. Methods: This was a 14-year-old female patient with a left-type single ventricle who had not undergone any surgical intervention. The autonomic activity was evaluated according to the hea...
Study on autonomic heart rate modulation at rest among elderly patients with chronic obstructive pulmonary disease Objective: To evaluate heart rate variability (HRV) among elderly patients with chronic obstructive pulmonary disease (COPD) and healthy elderly individuals, during postural change. Method: Nine individuals with COPD (70 years old) and...
O objetivo deste trabalho foi avaliar a capacidade funcional e a variabilidade da freqüência cardíaca (VFC) de um valvopata submetido à Fisioterapia Cardiovascular (FTCV). Foi estudado um homem de 63 anos, com implante aórtico, em uso de beta-bloqueador, a partir do 20º dia do pós-operatório, o qual foi avaliado em repouso supino (15 min) e durante...
The effects of the aging process and an active life-style on the autonomic control of heart rate (HR) were investigated in nine young sedentary (YS, 23 +/- 2.4 years), 16 young active (YA, 22 +/- 2.1 years), 8 older sedentary (OS, 63 +/- 2.4 years) and 8 older active (OA, 61 +/- 1.1 years) healthy men. Electrocardiogram was continuously recorded fo...
