8129520

Source:http://linkedlifedata.com/resource/pubmed/id/8129520

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Predicate	Object
rdf:type	pubmed:Citation
lifeskim:mentions	umls-concept:C0022885, umls-concept:C0033095, umls-concept:C0039593, umls-concept:C0871261, umls-concept:C1704632, umls-concept:C1706817, umls-concept:C2827666, umls-concept:C2911692
pubmed:issue	8
pubmed:dateCreated	1994-4-12
pubmed:abstractText	The effect of the immersion of the hand in ice water for 5 minutes on the short-term variability of blood pressure (BP) and heart rate (HR) was evaluated in 10 normal subjects. Indirect finger BP was measured by a non-invasive device (Finapres). Analogue-to-digital conversion of the BP was used to determine systolic, diastolic BP and HR every 0.5 second. The equidistant sampling allowed a direct spectral analysis using a fast Fourier transform algorithm on 256 point time series of a stationary period. BP was increased (+28 mmHg for systolic BP and +13 mmHg for diastolic BP) and an increased overall variability of BP and HR was observed during the cold pressor test. The increased areas under the curve of the systolic, diastolic BP and HR spectra were documented with the selective analysis of the two main components of the spectra: the increase in the oscillations of BP and HR during the test predominated in the 70-140 mHz region (+30% for systolic BP, +24% for DBP and +21% for HR), corresponding to Mayer waves. The high-frequency (respiratory) component of BP and HR variability was unchanged. The significant increase in the 10 second period oscillations of BP could reflect the cold-induced sympathetic vasoconstriction.
pubmed:language	fre
pubmed:journal	http://linkedlifedata.com/resource/pubmed/journal/0406011
pubmed:citationSubset	IM
pubmed:status	MEDLINE
pubmed:month	Aug
pubmed:issn	0003-9683
pubmed:author	pubmed-author:ElghoziJ LJL, pubmed-author:GirardAA, pubmed-author:LaudeDD, pubmed-author:WeissPP
pubmed:issnType	Print
pubmed:volume	86
pubmed:owner	NLM
pubmed:authorsComplete	Y
pubmed:pagination	1159-62
pubmed:dateRevised	2009-2-13
pubmed:meshHeading	pubmed-meshheading:8129520-Adaptation, Physiological, pubmed-meshheading:8129520-Adult, pubmed-meshheading:8129520-Blood Pressure, pubmed-meshheading:8129520-Cold Temperature, pubmed-meshheading:8129520-Female, pubmed-meshheading:8129520-Humans, pubmed-meshheading:8129520-Male, pubmed-meshheading:8129520-Sympathetic Nervous System
pubmed:year	1993
pubmed:articleTitle	[Pressure variability in the cold-pressure response test].
pubmed:affiliation	Pharmacologie clinique, Association Claude-Bernard, CNRS URA 1482, hôpital Necker-Enfants Malades, Paris.
pubmed:publicationType	Journal Article, English Abstract