2014
Impact of lower body negative pressure induced hypovolemia on peripheral venous pressure waveform parameters in healthy volunteers
Alian AA, Galante NJ, Stachenfeld NS, Silverman DG, Shelley KH. Impact of lower body negative pressure induced hypovolemia on peripheral venous pressure waveform parameters in healthy volunteers. Physiological Measurement 2014, 35: 1509-1520. PMID: 24901895, DOI: 10.1088/0967-3334/35/7/1509.Peer-Reviewed Original ResearchConceptsLower body negative pressureBlood pressureBody negative pressureCardiac modulationHeart ratePulse pressurePVP waveformsProgressive lower body negative pressureArterial systolic blood pressureFinger arterial blood pressurePeripheral venous pressure waveformsMmHg lower body negative pressureMean blood pressureDiastolic blood pressureSystolic blood pressureArterial blood pressureArterial BP valuesPressure waveformSignificant reductionMild hypovolemiaVenous pressureHemodynamic changesIntravenous siteRespiratory modulationBP values
2012
Modulation of finger photoplethysmographic traces during forced respiration: Venous blood in motion?
Phillips J, Belhaj A, Shafqat K, Langford R, Shelley K, Kyriacou P. Modulation of finger photoplethysmographic traces during forced respiration: Venous blood in motion? Annual International Conference Of The IEEE Engineering In Medicine And Biology Society (EMBC) 2012, 2012: 3644-3647. PMID: 23366717, DOI: 10.1109/embc.2012.6346756.Peer-Reviewed Original ResearchConceptsVenous oxygen saturationOxygen saturationBlood volumeNegative airway pressureAirway pressureVenous bloodArterial saturationRespiratory modulationHealthy volunteersRespiratory frequencyTissue bedsPilot studyResultant modulationArteryModulationFingerBloodPhotoplethysmographic signalsVolunteers
2007
Photoplethysmography: Beyond the Calculation of Arterial Oxygen Saturation and Heart Rate
Shelley KH. Photoplethysmography: Beyond the Calculation of Arterial Oxygen Saturation and Heart Rate. Anesthesia & Analgesia 2007, 105: s31-s36. PMID: 18048895, DOI: 10.1213/01.ane.0000269512.82836.c9.Peer-Reviewed Original Research
2006
What Is the Best Site for Measuring the Effect of Ventilation on the Pulse Oximeter Waveform?
Shelley KH, Jablonka DH, Awad AA, Stout RG, Rezkanna H, Silverman DG. What Is the Best Site for Measuring the Effect of Ventilation on the Pulse Oximeter Waveform? Anesthesia & Analgesia 2006, 103: 372-377. PMID: 16861419, DOI: 10.1213/01.ane.0000222477.67637.17.Peer-Reviewed Original ResearchConceptsPositive pressure ventilationPulse oximeter waveformPressure ventilationPlethysmographic waveformEffect of ventilationBlood lossRenal dialysisSpontaneous breathingPlethysmographic dataSurgical proceduresTidal volumeBlood volumeRespiratory rateVentilationPatientsSignificant correlationRespiratory signalPredominant featureImpact of ventilationCardiac pulseSurgeryFingerBreathingDialysis