Validação de novos valores previstos brasileiros para a espirometria forçada na raça branca e comparação com os valores previstos obtidos por outras equações de referência

Duarte, Andrezza Araújo de Oliveira; Pereira, Carlos Alberto de Castro; Rodrigues, S. C. P.

doi:10.1590/s1806-37132007000500007

Cited by 62 publications

(24 citation statements)

References 15 publications

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“…Measurements were expressed as predicted values. 13 To measure VE, the patient was instructed to breathe normally for one minute through a facial mask connected to the spirometer. TV was determined by dividing VE by the respiratory rate (f).…”

Section: Methodsmentioning

confidence: 99%

Evaluation of lung volumes, vital capacity and respiratory muscle strength after cervical, thoracic and lumbar spinal surgery

et al. 2015

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Evaluation of lung volumes, vital capacity and respiratory muscle strength after cervical, thoracic and lumbar spinal surgeryAvaliação dos volumes pulmonares, capacidade vital e força dos músculos respiratórios no pós-operatório de cirurgia na coluna cervical, torácica e lombar Marcio Aparecido Oliveira I , Milena Carlos Vidotto II , Oliver Augusto Nascimento III , Renato Almeida IV , Ilka Lopes Santoro V , Evandro Fornias Sperandio VI , José Roberto Jardim VII , Mariana Rodrigues Gazzotti VIII Universidade Federal de São Paulo ABSTRACTCONTEXT AND OBJECTIVE: Studies have shown that physiopathological changes to the respiratory system can occur following thoracic and abdominal surgery. Laminectomy is considered to be a peripheral surgical procedure, but it is possible that thoracic spinal surgery exerts a greater influence on lung function. The aim of this study was to evaluate the pulmonary volumes and maximum respiratory pressures of patients undergoing cervical, thoracic or lumbar spinal surgery. DESIGN AND SETTING: Prospective study in a tertiary-level university hospital. METHODS: Sixty-three patients undergoing laminectomy due to diagnoses of tumors or herniated discs were evaluated. Vital capacity, tidal volume, minute ventilation and maximum respiratory pressures were evaluated preoperatively and on the first and second postoperative days. Possible associations between the respiratory variables and the duration of the operation, surgical diagnosis and smoking status were investigated. RESULTS: Vital capacity and maximum inspiratory pressure presented reductions on the first postoperative day (20.9% and 91.6%, respectively) for thoracic surgery (P = 0.01), and maximum expiratory pressure showed reductions on the first postoperative day in cervical surgery patients (15.3%; P = 0.004). The incidence of pulmonary complications was 3.6%. CONCLUSIONS: There were reductions in vital capacity and maximum respiratory pressures during the postoperative period in patients undergoing laminectomy. Surgery in the thoracic region was associated with greater reductions in vital capacity and maximum inspiratory pressure, compared with cervical and lumbar surgery. Thus, surgical manipulation of the thoracic region appears to have more influence on pulmonary function and respiratory muscle action.RESUMO CONTEXTO E OBJETIVO: Estudos têm demonstrado que alterações fisiopatológicas no sistema respirató-rio podem ocorrer após cirurgia torácica e abdominal. A laminectomia é considerada uma cirurgia perifé-rica, mas é possível que as cirurgias de coluna torácica exerçam maior influência sobre a função pulmonar. O objetivo do estudo foi avaliar os volumes pulmonares e as pressões respiratórias máximas em pacientes submetidos a cirurgia de coluna cervical, torácica ou lombar. TIPO DE ESTUDO E LOCAL: Estudo prospectivo em hospital universitário terciário. MÉTODOS: Sessenta e três pacientes submetidos a laminectomia com diagnóstico tumor ou hérnia de disco foram avaliados. Foram avaliados, no pré-operatório, no primeiro e no segundo ...

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Section: Methodsmentioning

confidence: 99%

Evaluation of lung volumes, vital capacity and respiratory muscle strength after cervical, thoracic and lumbar spinal surgery

et al. 2015

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“…( 13 ) We measured FEV 1 and FVC, predicted normal values being determined by the use of validated equations. ( 14 ) We measured MEP and MIP at the mouth using a portable spirometer (microQuark; Cosmed, Rome, Italy) under static conditions, in accordance with a validated method. ( 15 ) We measured MEP at TLC and MIP at functional residual capacity, the highest of three valid measurements being recorded.…”

Section: Methodsmentioning

confidence: 99%

“…( 13 ) Foram medidos o VEF 1 e a CVF, e os valores normais previstos foram determinados por meio de equações validadas. ( 14 ) A PEmáx e a PImáx foram medidas na boca com um espirômetro portátil (microQuark; Cosmed, Roma, Itália) em condições estáticas, de acordo com um método validado. ( 15 ) A PEmáx foi medida em CPT e a PImáx foi medida em capacidade residual funcional, sendo registrada a maior de três medidas válidas.…”

Section: Métodosunclassified

Effects of yoga breathing exercises on pulmonary function in patients with Duchenne muscular dystrophy: an exploratory analysis

et al. 2014

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OBJECTIVE: Duchenne muscular dystrophy (DMD) is the most common form of muscular dystrophy in children, and children with DMD die prematurely because of respiratory failure. We sought to determine the efficacy and safety of yoga breathing exercises, as well as the effects of those exercises on respiratory function, in such children. METHODS: This was a prospective open-label study of patients with a confirmed diagnosis of DMD, recruited from among those followed at the neurology outpatient clinic of a university hospital in the city of São Paulo, Brazil. Participants were taught how to perform hatha yoga breathing exercises and were instructed to perform the exercises three times a day for 10 months. RESULTS: Of the 76 patients who entered the study, 35 dropped out and 15 were unable to perform the breathing exercises, 26 having therefore completed the study (mean age, 9.5 ± 2.3 years; body mass index, 18.2 ± 3.8 kg/m2). The yoga breathing exercises resulted in a significant increase in FVC (% of predicted: 82.3 ± 18.6% at baseline vs. 90.3 ± 22.5% at 10 months later; p = 0.02) and FEV1 (% of predicted: 83.8 ± 16.6% at baseline vs. 90.1 ± 17.4% at 10 months later; p = 0.04). CONCLUSIONS: Yoga breathing exercises can improve pulmonary function in patients with DMD.

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“…18 Normality values were related to the Brazilian population. 19 The functional exercise capacity was assessed with the 6MWT according to the guidelines of the American Tho-racic Society. 20 The experimental values obtained were analyzed according to values provided by Enright and Sherrill.…”

Section: Anthropometric Evaluation Pulmonary Function Assessment Anmentioning

confidence: 99%

Critical Velocity Determined by a Non-Exhaustive Method in Subjects With COPD

et al. 2017

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Validação de novos valores previstos brasileiros para a espirometria forçada na raça branca e comparação com os valores previstos obtidos por outras equações de referência

Abstract: These results underscore the importance of using prediction equations for spirometry that are appropriate for our population.

Cited by 62 publications

References 15 publications

Evaluation of lung volumes, vital capacity and respiratory muscle strength after cervical, thoracic and lumbar spinal surgery

Evaluation of lung volumes, vital capacity and respiratory muscle strength after cervical, thoracic and lumbar spinal surgery

Effects of yoga breathing exercises on pulmonary function in patients with Duchenne muscular dystrophy: an exploratory analysis

Critical Velocity Determined by a Non-Exhaustive Method in Subjects With COPD

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