pubmed-article:3129301 | rdf:type | pubmed:Citation | lld:pubmed |
pubmed-article:3129301 | lifeskim:mentions | umls-concept:C0030705 | lld:lifeskim |
pubmed-article:3129301 | lifeskim:mentions | umls-concept:C0024117 | lld:lifeskim |
pubmed-article:3129301 | lifeskim:mentions | umls-concept:C0035203 | lld:lifeskim |
pubmed-article:3129301 | lifeskim:mentions | umls-concept:C0007012 | lld:lifeskim |
pubmed-article:3129301 | lifeskim:mentions | umls-concept:C0015259 | lld:lifeskim |
pubmed-article:3129301 | lifeskim:mentions | umls-concept:C0449774 | lld:lifeskim |
pubmed-article:3129301 | pubmed:issue | 2 | lld:pubmed |
pubmed-article:3129301 | pubmed:dateCreated | 1988-5-31 | lld:pubmed |
pubmed-article:3129301 | pubmed:abstractText | In ten eucapnic patients with chronic obstructive lung disease (COLD) we evaluated the breathing pattern during induced progressive hypercapnia (CO2 rebreathing) and progressive exercise on an ergometric bicycle (30 W/3 min). The time and volume components of the respiratory cycle were measured breath by breath. When compared to hypercapnia, the increase in ventilation (VE) during exercise was associated with a smaller increase in tidal volume (VT) and a greater increase in respiratory frequency (fR). Plots of tidal volume (VT) against both inspiratory time (TI) and expiratory time (TE) showed a greater decrease in both TI and TE during exercise than with hypercapnia. Analysis of VE in terms of flow (VT/TI) and timing (TI/TT) showed VE to increase by a similar increase to that in VT/TI during both exercise and hypercapnia, while TI/TT did not change significantly. When the patients were matched for a given VE (28 l.min-1), exercise induced a smaller increase in VT (p less than 0.05), a greater increase in fR (p less than 0.025); TI (p less than 0.025) and TE (p less than 0.01) were found to be smaller during exercise than hypercapnia. The change in the off-switch mechanism during exercise and hypercapnia could account for our results. | lld:pubmed |
pubmed-article:3129301 | pubmed:language | eng | lld:pubmed |
pubmed-article:3129301 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:3129301 | pubmed:citationSubset | IM | lld:pubmed |
pubmed-article:3129301 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:3129301 | pubmed:status | MEDLINE | lld:pubmed |
pubmed-article:3129301 | pubmed:month | Feb | lld:pubmed |
pubmed-article:3129301 | pubmed:issn | 0903-1936 | lld:pubmed |
pubmed-article:3129301 | pubmed:author | pubmed-author:SergyselsRR | lld:pubmed |
pubmed-article:3129301 | pubmed:author | pubmed-author:ScanuMM | lld:pubmed |
pubmed-article:3129301 | pubmed:author | pubmed-author:De CosterAA | lld:pubmed |
pubmed-article:3129301 | pubmed:author | pubmed-author:GigliottiFF | lld:pubmed |
pubmed-article:3129301 | pubmed:author | pubmed-author:van... | lld:pubmed |
pubmed-article:3129301 | pubmed:issnType | Print | lld:pubmed |
pubmed-article:3129301 | pubmed:volume | 1 | lld:pubmed |
pubmed-article:3129301 | pubmed:owner | NLM | lld:pubmed |
pubmed-article:3129301 | pubmed:authorsComplete | Y | lld:pubmed |
pubmed-article:3129301 | pubmed:pagination | 139-44 | lld:pubmed |
pubmed-article:3129301 | pubmed:dateRevised | 2008-11-21 | lld:pubmed |
pubmed-article:3129301 | pubmed:meshHeading | pubmed-meshheading:3129301-... | lld:pubmed |
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pubmed-article:3129301 | pubmed:meshHeading | pubmed-meshheading:3129301-... | lld:pubmed |
pubmed-article:3129301 | pubmed:meshHeading | pubmed-meshheading:3129301-... | lld:pubmed |
pubmed-article:3129301 | pubmed:meshHeading | pubmed-meshheading:3129301-... | lld:pubmed |
pubmed-article:3129301 | pubmed:meshHeading | pubmed-meshheading:3129301-... | lld:pubmed |
pubmed-article:3129301 | pubmed:meshHeading | pubmed-meshheading:3129301-... | lld:pubmed |
pubmed-article:3129301 | pubmed:meshHeading | pubmed-meshheading:3129301-... | lld:pubmed |
pubmed-article:3129301 | pubmed:meshHeading | pubmed-meshheading:3129301-... | lld:pubmed |
pubmed-article:3129301 | pubmed:year | 1988 | lld:pubmed |
pubmed-article:3129301 | pubmed:articleTitle | Influence of exercise and CO2 on breathing pattern in patients with chronic obstructive lung disease (COLD). | lld:pubmed |
pubmed-article:3129301 | pubmed:affiliation | Clinica Medica III, Università di Firenze, Italy. | lld:pubmed |
pubmed-article:3129301 | pubmed:publicationType | Journal Article | lld:pubmed |