Comprehensive Physiology 1986
DOI: 10.1002/cphy.cp030321
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Cited by 3 publications
(3 citation statements)
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“…Because the wedged bronchoscope allows direct access to the small airways, and the partitioning of these airways from the rest of the tracheobronchial tree, we believe that the dose-dependent increase in Rp represents peripheral airway hyperresponsiveness to BK. Further partitioning of the responsiveness into bronchiole and collateral airways is difficult (24), and likely unnecessary because both airways are similar in terms of structure and surrounding tissue attachments, as well as pharmacologic responsiveness (25). Whether Rp increased secondary to airway narrowing or to a decrease in the number of functional units is unclear (ll).…”
Section: Discussionmentioning
confidence: 99%
“…Because the wedged bronchoscope allows direct access to the small airways, and the partitioning of these airways from the rest of the tracheobronchial tree, we believe that the dose-dependent increase in Rp represents peripheral airway hyperresponsiveness to BK. Further partitioning of the responsiveness into bronchiole and collateral airways is difficult (24), and likely unnecessary because both airways are similar in terms of structure and surrounding tissue attachments, as well as pharmacologic responsiveness (25). Whether Rp increased secondary to airway narrowing or to a decrease in the number of functional units is unclear (ll).…”
Section: Discussionmentioning
confidence: 99%
“…Los pulmones de los cerdos y de los humanos son lobulados, con el lóbulo pulmonar bien definido y demarcado por tabiques interlobulillares. En el pulmón humano, el componente de colágeno de estos tabiques interlobulares es incompleto, y se han descrito poros interalveolares, o de Kohn, y canales de comunicación en las paredes alveolares (21,22). Estos factores pueden conducir a la ventilación colateral entre los lóbulos, especialmente en los pulmones enfisematosos.…”
Section: Anatomía Del Pulmón Porcinounclassified
“…Relativo aos achados exploratórios de perfusão, observamos uma redução significativa da perfusão no lado da oclusão lobar após 15 minutos comparado com préoclusão, porém na metodologia utilizada aqui não é possível identificar o momento em que o RVH tem início. O RVH é conhecidamente desenvolvido em suínos e funciona como uma proteção ao se adaptar desviando fluxo de sangue para regiões oxigenadas em busca de uma melhor troca gasosa 12,45 . Sua resposta é regional por meio de estruturas sensíveis ao oxigênio localizados principalmente nas células musculares lisas das arteríolas pulmonares.…”
Section: Discussão 42unclassified