Maximal Voluntary Ventilation
Mostrando 1-12 de 13 artigos, teses e dissertações.
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1. Decreased respiratory performance of children and adolescents with myelomeningocele who use a wheelchair – preliminary data
Myelomeningocele (MMC) is a neural tube defect that often causes spinal cord injury at the thoracolumbar region, as well as sensory and motor paralysis in the lower limbs. This leads to continuous use of a wheelchair and, consequently, a sedentary lifestyle, predisposition to muscle weakness, cardiovascular and respiratory disorders, obesity, and structural
Braz J Med Biol Res. Publicado em: 05/08/2019
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2. Surgical risk tests related to cardiopulmonary postoperative complications: comparison between upper abdominal and thoracic surgery
PURPOSE: To investigate if tests used in the preoperative period of upper abdominal or thoracic surgeries are able to differentiate the patients that presented cardiopulmonary postoperative complications. METHODS: Seventy eight patients, 30 submitted to upper abdominal surgery and 48 to thoracic surgery were evaluated. Spirometry, respirometry, manovacuometr
Acta Cir. Bras.. Publicado em: 2013-06
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3. The impact of obesity on pulmonary function in adult women
INTRODUCTION: Obesity can cause deleterious effects on respiratory function and impair health and quality of life. OBJECTIVE: To evaluate the effects of obesity on the pulmonary function of adult women. METHODS: An obese group, constituted of 20 women between 20 and 35 years old with a BMI of 35 - 49.99 kg/m² who were non-smokers and sedentary and had no lu
Clinics. Publicado em: 2008
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4. Left-ventricular function and cardiorespiratory responses in patients undergoing coronary artery bypass grafting after short-term inpatient cardiac rehabilitation / Função ventricular esquerda e respostas cardiorrespiratórias após reabilitação cardíaca hospitalar em pacientes submetidos à cirurgia de revascularização do miocárdio
It is well-known that cardiac autonomic and pulmonary function are impaired after coronary artery bypass surgery (CABG). Strategies resulting in beneficial cardiorespiratory responses as soon as possible after surgery are clinically important in these patients. However, information on the differences in cardiorespiratory responses of these patients to inpati
Publicado em: 2008
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5. Influence of a respiratory muscular training program in tlhe cognitive performance and quality of life of the olders / Influência de um programa de treinamento muscular respiratório no desempenho cognitivo e na qualidade de vida do idoso
The reduction of the physiological capacity present in the aging process can cause remarkable physiological and cognitive decline in the pulmonary function, which may potentially affect the quality of life of the elders. The proposed objective, in this study, was to investigate the influence of a program of specific respiratory muscular training, in the cogn
Publicado em: 2007
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6. Influencia da posição corporal na medida da pressão inspiratoria maxima (PImax) e da pressão expiratoria maxima (PEmax) em voluntarios adultos sadios / Influency of body position in the measurement of maximal inspiratory pressure (Pimax) and maximal expiratory pressure (Pemax) in adult healthy volunteers
As medidas da PImáx e PEmáx são utilizadas para avaliar a força da musculatura respiratória. Porém, o efeito da posição corporal sobre essas medidas não se encontra bem estabelecido na literatura. O objetivo deste estudo foi avaliar a influência de diversas posições corporais nos valores da PImáx e PEmáx. MÉTODO: Foi realizado um estudo prospe
Publicado em: 2006
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7. InfluÃncia dos nÃveis deimersÃo sobre a funÃÃo pulmonar,a ventilaÃÃo voluntÃria mÃxima e a pressÃo dos mÃsculos respiratÃrios em indivÃduos saudÃveis
As alteraÃÃes da mecÃnica respiratÃria proveniente da imersÃo atà altura do pescoÃo, atravÃs dos efeitos da pressÃo hidrostÃtica e da forÃa de flutuaÃÃo, sÃo pouco estudadas. O objetivo deste estudo foi avaliar em indivÃduos sadios a funÃÃo pulmonar, a ventilaÃÃo voluntÃria mÃxima e a pressÃo dos mÃsculos respiratÃrios durante diferen
Publicado em: 2004
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8. Blood lactate and respiratory muscle fatigue in patients with chronic airways obstruction.
Blood lactate concentrations were measured in five patients with chronic airways obstruction after 10 minutes' sustained maximal voluntary ventilation (SMVV) with end-tidal carbon dioxide tension kept constant and after a 12-minute walk. No patient showed a significant rise in blood lactate after SMVV but all showed evidence of low-frequency fatigue of the s
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9. Effect of theophylline on exercise performance in patients with severe chronic obstructive pulmonary disease.
BACKGROUND--Theophylline is a well known bronchodilator which has been used for more than 50 years in the treatment of obstructive pulmonary diseases. In patients with severe chronic obstructive pulmonary disease whose cardiopulmonary performance is limited by their ventilatory capacity the administration of theophylline may improve exercise performance. MET
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10. Respiratory muscle and pulmonary function in polymyositis and other proximal myopathies.
We studied 53 patients with proximal myopathy to determine at what level of muscle weakness hypercapnic respiratory failure is likely, and which tests of pulmonary function or respiratory muscle strength would best suggest this development. Respiratory muscle strength was determined from maximal static efforts and in half the patients, both inspiratory and e
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11. Humid air increases airway resistance in asthmatic subjects.
Eight persons with asthma were exposed to seven air conditions varying in temperature (37 degrees C to 49 degrees C [98.6 degrees F to 120.2 degrees F]) and water content (44 mg H2O per liter to 79 mg H2Oper liter) . Normocapnic hyperventilation for three minutes at 40% maximal voluntary ventilation was carried out for each condition. A constant-volume body
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12. Cardiovascular, ventilatory and catecholamine responses to maximal dynamic exercise in partially curarized man.
1. In ten young men the ventilatory, cardiovascular, catecholamine and metabolic responses to maximal dynamic leg exercise on a stationary bicycle were followed during partial neuromuscular blockade with tubocurarine. Maximal exercise was performed when the drug effect was at its maximum as well as during the subsequent reduction in the effect allowing a gra