pubmed-article:6417747 | rdf:type | pubmed:Citation | lld:pubmed |
pubmed-article:6417747 | lifeskim:mentions | umls-concept:C1280551 | lld:lifeskim |
pubmed-article:6417747 | lifeskim:mentions | umls-concept:C0034071 | lld:lifeskim |
pubmed-article:6417747 | lifeskim:mentions | umls-concept:C0019541 | lld:lifeskim |
pubmed-article:6417747 | pubmed:issue | 1 | lld:pubmed |
pubmed-article:6417747 | pubmed:dateCreated | 1984-1-27 | lld:pubmed |
pubmed-article:6417747 | pubmed:abstractText | Steady-state gas exchange was studied in anesthetized paralyzed dogs subjected to high-frequency ventilation (HFV) to determine the effects of oscillation frequency (f 10-40 Hz) and stroke volume (Vs 20-40 ml) on gas exchange efficiency. Alveolar gas fractions were measured by rapid withdrawal of lung gas while oscillations and the bias flow circuit were interrupted. Alveolar ventilation (VA) calculated from steady-state CO2 elimination and FACO2 was found to exhibit a frequency-dependent maximum. Similarly, PaCO2 increased and PaO2 decreased again when f exceeded a critical level. VA was 13% of total ventilation (f . Vs) at 10 Hz (40 ml Vs) decreasing to about 4% at 40 Hz. Blood - gas differences for O2 (PA - Pa) were about 6 torr and close to zero for CO2 (Pa - PA). Lung volume assessed from He wash-out was increased with f and Vs. O2 uptake and CO2 elimination were significantly enhanced by HFV as a function of Vs. Because the effective VT was essentially unknown, the apparent gas exchange inefficiency at high f and Vs values may be due to the functional characteristics of the apparatus rather than a general feature of HFV. | lld:pubmed |
pubmed-article:6417747 | pubmed:language | eng | lld:pubmed |
pubmed-article:6417747 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:6417747 | pubmed:citationSubset | IM | lld:pubmed |
pubmed-article:6417747 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:6417747 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:6417747 | pubmed:status | MEDLINE | lld:pubmed |
pubmed-article:6417747 | pubmed:month | Oct | lld:pubmed |
pubmed-article:6417747 | pubmed:issn | 0034-5687 | lld:pubmed |
pubmed-article:6417747 | pubmed:author | pubmed-author:MeyerMM | lld:pubmed |
pubmed-article:6417747 | pubmed:author | pubmed-author:RiekeHH | lld:pubmed |
pubmed-article:6417747 | pubmed:author | pubmed-author:HookCC | lld:pubmed |
pubmed-article:6417747 | pubmed:issnType | Print | lld:pubmed |
pubmed-article:6417747 | pubmed:volume | 54 | lld:pubmed |
pubmed-article:6417747 | pubmed:owner | NLM | lld:pubmed |
pubmed-article:6417747 | pubmed:authorsComplete | Y | lld:pubmed |
pubmed-article:6417747 | pubmed:pagination | 1-17 | lld:pubmed |
pubmed-article:6417747 | pubmed:dateRevised | 2009-11-11 | lld:pubmed |
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pubmed-article:6417747 | pubmed:year | 1983 | lld:pubmed |
pubmed-article:6417747 | pubmed:articleTitle | Pulmonary gas exchange during high-frequency ventilation in dogs. | lld:pubmed |
pubmed-article:6417747 | pubmed:publicationType | Journal Article | lld:pubmed |