2002
Distinction between Atropine-Sensitive Control of Microvascular and Cardiac Oscillatory Activity
Silverman DG, Stout RG. Distinction between Atropine-Sensitive Control of Microvascular and Cardiac Oscillatory Activity. Microvascular Research 2002, 63: 196-208. PMID: 11866543, DOI: 10.1006/mvre.2001.2385.Peer-Reviewed Original ResearchConceptsPhenylephrine infusionHeart rateOscillatory activityLaser Doppler flowmetryR wave intervalsAdrenergic predominanceProximal vasculatureIntravenous atropineBlood pressureCholinergic responsesSystemic infusionDoppler flowmetrySystemic flowHealthy volunteersMicrovascular flowSystemic pressureRespiratory frequencyRespiratory rateMicrovascular bedInfusionR wavePhenylephrineMicrovasculatureOscillatory powerBaseline
1994
Peripheral assessment of phenylephrine-induced vasoconstriction by laser Doppler flowmetry and its potential relevance to homeostatic mechanisms.
Silverman DG, Jotkowitz AB, Freemer M, Gutter V, O'Connor TZ, Braverman IM. Peripheral assessment of phenylephrine-induced vasoconstriction by laser Doppler flowmetry and its potential relevance to homeostatic mechanisms. Circulation 1994, 90: 23-26. PMID: 8026002, DOI: 10.1161/01.cir.90.1.23.Peer-Reviewed Original ResearchConceptsLaser Doppler flowmetryBlood pressureDoppler flowmetrySkin perfusionPressure cuffHeart rateBrachial blood pressure cuffBlood cellsCutaneous laser-Doppler flowmetryDiastolic blood pressurePhenylephrine-induced vasoconstrictionBlood pressure cuffLaser Doppler flowmeter probeRed cell fluxLaser Doppler readingsForearm vasodilationPeripheral assessmentVasoconstrictive stimuliBaroreceptor activityRed blood cellsForearm vesselsIntravenous infusionSystemic infusionVasoactive stimuliHealthy volunteers