2022
10 PPG in clinical monitoring
Alian A, Shelley K. 10 PPG in clinical monitoring. 2022, 341-359. DOI: 10.1016/b978-0-12-823374-0.00006-2.Peer-Reviewed Original ResearchSympathetic nervous system activityPulsatile componentDigital signal processingNervous system activityPulse oximeter waveformPulse oximetry devicesBlood volume changesBlood pressureAutonomic functionCardiac outputLow-cost optical techniqueVascular complianceOxygen saturationSignal processingHeart rateBlood volumeClinical monitoringTherapeutic interventionsRespiratory rateMicrovascular bedPPG waveformAvailable medical devicesSystem activityPulse oximeterPhotoplethysmographic waveform
2012
Using Time-Frequency Analysis of the Photoplethysmographic Waveform to Detect the Withdrawal of 900 mL of Blood
Scully CG, Selvaraj N, Romberg FW, Wardhan R, Ryan J, Florian JP, Silverman DG, Shelley KH, Chon KH. Using Time-Frequency Analysis of the Photoplethysmographic Waveform to Detect the Withdrawal of 900 mL of Blood. Anesthesia & Analgesia 2012, 115: 74-81. PMID: 22543068, DOI: 10.1213/ane.0b013e318256486c.Peer-Reviewed Original ResearchMeSH KeywordsAdultBlood PressureBlood Pressure DeterminationBlood Transfusion, AutologousBlood VolumeBlood Volume DeterminationCluster AnalysisConnecticutElectrocardiographyHeart RateHumansHypovolemiaInfrared RaysMalePhotoplethysmographyPredictive Value of TestsRespiratory MechanicsSensitivity and SpecificitySignal Processing, Computer-AssistedTime FactorsConceptsML of bloodArterial blood pressureBlood lossBlood pressureHeart rateHeart rate frequencyBlood withdrawalML blood lossMean percent decreaseBlood volume lossHeart rate componentSignificant changesPhotoplethysmographic waveformSpontaneous breathingTrauma settingCuff measurementsPPG waveformBlood reinfusionHealthy volunteersStandard electrocardiogramBloodEarly detectionEar PPG signalsBaselineConfidence intervals
2010
Measuring venous oxygenation using the photoplethysmograph waveform
Walton ZD, Kyriacou PA, Silverman DG, Shelley KH. Measuring venous oxygenation using the photoplethysmograph waveform. Journal Of Clinical Monitoring And Computing 2010, 24: 295-303. PMID: 20644985, DOI: 10.1007/s10877-010-9248-y.Peer-Reviewed Original ResearchConceptsVenous saturationVenous systemRegional venous oxygen saturationPeripheral venous waveformCardiac surgery patientsVenous oxygen saturationPeripheral venous systemPhotoplethysmograph waveformsWilcoxon signed-rank testVenous waveformSurgery patientsAtrial contractionSigned-rank testVenous bloodVenous oxygenationOxygen saturationGold standardPPG characteristicsHigh complianceBonferroni correctionSignificant differencesPPG analysisBloodPPG waveformPatients
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