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Vol. 1. Issue 4.
Pages 285-297 (July - August 1995)
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Vol. 1. Issue 4.
Pages 285-297 (July - August 1995)
ARTIGO ORIGINAL
Open Access
Pressão de oclusão das vias aéreas na avaliação do comando nervoso da respiração e da resposta muscular
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A. Paes Cardoso*, Alberto De Almeida**, Alvaro Moreira Da Silva***
* Director do Serviço de Cuidados Intensivos (SCI) e Responsável do Sector de Fisiopatologia Respiratória. Professor auxiliar convidado de Pneumologia do Instituto de Ciências Biomédicas Abel Salazar (ICBAS), Sector de Fisiopatologia Respiratória – Serviço de Cuidados Intensivos, Hospital Geral de Santo António – Porto
** Chefe de Serviço do SCI e do Sector de Fistopatologia Respiratória. Assistente convidado de Pneumologia do ICBAS, Sector de Fisiopatologia Respiratória – Serviço de Cuidados Intensivos, Hospital Geral de Santo António – Porto
*** Assistente eventual de Pneumologia, a frequentar o Ciclo de Estudos Especiais em Cuidados Intensivos – no SCI do Hospital Geral de St.º António, Sector de Fisiopatologia Respiratória – Serviço de Cuidados Intensivos, Hospital Geral de Santo António – Porto
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RESUMO

Os autores realçam a importância da avaliação do "drive" respiratório e da eficácia da musculatura respiratória nos estudos da função pulmonar e descrevem as técnicas não invasivas para esta avaliação, que incluem a medida da pressão de oclusão bocal (P0.1) em ar ambiente e em misturas ricas em CO2, a pressão de oclusão bocal máxima (PO. 1 max.) bem como a medida da pressão inspiratória maxima (Pimax), permitindo a detecção de anormalidades neste sector específico da função respiratória.

Foram analisados os resultados destas determinações e correlacionados com vários tipos de patologia, procurando identificar o grau de responsabilidade das alterações encontradas nas mesmas patologias.

Palavras-chave:
"drive" respiratório
pressão de oclusão das vias aéreas
força muscular respiratória
padrão ventilatório
resposta ao CO2
ABSTRACT

The authors emphasize the importance of the respiratory drive and respiratory muscle mechanics in the pulmonary function studies, describing non invasive techniques like PO. 1 max. and Pimax measurements in order to evaluate the degree of abnormalities in this specific field of the lung function.

The authors analysed the results of these tests, and correlate this results with the clinical symptoms of the different pathologies, included in this study, trying to identify the load of the abnormalities detected in the disease.

Key-Words:
respiratory drive
airway occlusion pressure
respiratory muscles strength
breathing pattern
response to CO2
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Copyright © 1995. Sociedade Portuguesa de Pneumologia/SPP
Pulmonology
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