2023
Assessment of changes in blood volume during lower body negative pressure-induced hypovolemia using bioelectrical impedance analysis
Anakmeteeprugsa S, Gonzalez-Fiol A, Vychodil R, Shelley K, Alian A. Assessment of changes in blood volume during lower body negative pressure-induced hypovolemia using bioelectrical impedance analysis. Journal Of Clinical Monitoring And Computing 2023, 38: 293-299. PMID: 37966562, DOI: 10.1007/s10877-023-01098-y.Peer-Reviewed Original ResearchEstimated blood lossBioelectrical impedance analysisBlood lossHealthy volunteersBlood volumeProspective observational studyBody negative pressureSignificant increaseT-testStudent's t-testAcute hemorrhageLBNP protocolLower extremitiesObservational studyHypovolemiaLBNPCompensatory mechanismsPercentage changeReciprocal changesSignificant decreaseBioimpedanceBaselineSignificant correlationMmHgP-value
2016
Ventilation-Induced Modulation of Pulse Oximeter Waveforms
Alian AA, Atteya G, Gaal D, Golembeski T, Smith BG, Dai F, Silverman DG, Shelley K. Ventilation-Induced Modulation of Pulse Oximeter Waveforms. Anesthesia & Analgesia 2016, 123: 346-356. PMID: 27284998, DOI: 10.1213/ane.0000000000001377.Peer-Reviewed Original ResearchConceptsSystolic blood pressureArterial pressure waveformBlood volumeFluid resuscitationBlood pressureOnly systolic blood pressurePressure waveformAirway pressure waveformFinger pulse oximetrySubstantial blood lossDynamic preload indicesVenous blood volumeArterial pressure measurementsArterial waveform parametersP-valuePulse oximeter waveformWilcoxon signed-rank testArterial pressureBlood lossBlood transfusionEarly bleedingPediatric patientsPreload indexHemodynamic dataScoliosis surgery