2024
Postpartum Blood Pressure Variability and Heart Rate Variability in Preeclampsia.
van Wingerden A, Katsidoniotaki M, Haghighi N, Almonte C, Woolcock Martinez H, Valdes E, Castro P, Alian A, Booker W, Bello N, Marshall R, Kougioumtzoglou I, Petersen N, Miller E. Postpartum Blood Pressure Variability and Heart Rate Variability in Preeclampsia. Hypertension 2024 PMID: 39403810, DOI: 10.1161/hypertensionaha.124.23321.Peer-Reviewed Original ResearchBlood pressure variabilityChronic hypertensionHeart rate variabilitySuperimposed preeclampsiaBlood pressurePressure variabilityProspective cohort of womenTime-domain heart rate variabilityAssociated with autonomic dysregulationCohort of womenRatio of heart rate variabilityHigh blood pressure variabilityRate variabilityPreeclampsia groupLow-/high-frequency ratioPostpartum patientsPostpartum controlsPreeclampsiaRR interval differencesProspective cohortHigh-frequency heart rate variabilityAutonomic dysregulationPostpartum womenFinger plethysmographyWeeks postpartum
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