Carol Vidal, Annastasia Kezar, Rheanna Platt, Jill Owczarzak, Christopher J Hammond
School-Based Screening and Brief Intervention for Adolescent Substance Use With Telehealth-Delivered Case Consultation and Education
Substance use & addiction journal
heart rate variability hrv biofeedback often performed structured education laboratorybased assessments practice sessions shown improve psychological physiological function across populations however means remotely use monitor approach would allow wider use technique advancements wearable digital technology present opportunity widespread application approach primary aim study determine feasibility fully remote selfadministered short sessions hrvdirected biofeedback diverse population health care workers hcws secondary aim determine whether fully remote hrvdirected biofeedback intervention significantly alters longitudinal hrv intervention period monitored wearable devices tertiary aim estimate impact intervention metrics psychological wellbeing determine whether remotely implemented short sessions hrv biofeedback improve autonomic metrics psychological wellbeing enrolled hcws across 7 hospitals new york city united states downloaded study app watched brief educational videos hrv biofeedback used wellstudied hrv biofeedback program remotely smartphone hrv biofeedback sessions used 5 minutes per day 5 weeks hcws followed 12 weeks intervention period psychological measures obtained study period wore apple watch least 7 weeks monitor circadian features hrv total 127 hcws enrolled study overall 21 165 least 50 compliant hrv biofeedback intervention representing small portion total sample demonstrates study design feasibly result adequate rates compliance intervention numerical improvement psychological metrics observed 17week study period although reach statistical significance p05 using mixed effect cosinor model mean midlineestimating statistic rhythm mesor circadian pattern sd interbeat interval normal sinus beats sdnn hrv metric observed increase first 4 weeks biofeedback intervention hcws least 50 compliant conclusion found using brief remote hrv biofeedback sessions monitoring physiological effect using wearable devices manner study conducted feasible considering low compliance rates study intervention found remote short sessions hrv biofeedback demonstrate potential promise improving autonomic nervous function warrant study wearable devices monitor physiological effects psychological interventions