Telehealth Utilization During the COVID-19 Pandemic: A Preliminary Selective Review.

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Background: The COVID-19 pandemic reduced in-person visit volume and fueled a corresponding explosion in demand for telehealth services, resulting in the enactment of several temporary state and federal policies to allow greater flexibility in delivering telehealth services. This review examines patterns in telehealth utilization during the pandemic by synthesizing available findings from large-scale studies.Methods: To be included in this review, studies must be of original research, include data from 2020 or 2021, have a U.S. study population, and analyze telehealth encounter data across multiple payers and health systems. This review includes 10 studies that fully met the inclusion criteria and 29 studies that examined telehealth use during the pandemic, although not from multipayer, multihealth system data sets. All studies were identified using Ovid MEDLINE and Google Scholar.Results: At its peak, telehealth accounted for roughly 15–50% of visits across the various studied populations and data sets. The more telehealth was utilized, the smaller the decrease in overall visit volume. Audio visits tended to be used more often than video visits, and telehealth utilization varied across geographic regions and medical specialties. There were disparities in telehealth use by race, age, income, and other factors.Discussion: Most telehealth visits during the pandemic would not have been reimbursable without the telehealth policy changes that took place. The variability in telehealth utilization across geographic regions is likely attributed to state-level telehealth policies. Most studies examining disparities in telehealth utilization did not compare disparities from before and during the pandemic, and these disparities may be a characteristic of health care overall rather than of telehealth specifically.