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Telemedicine gets boost from pandemic-era study

Kaiser Permanente research finds low rate of in-person follow-up needed after telephone, video visits, suggesting a long-term role for virtual care

 

An analysis of Kaiser Permanente Northern California telehealth visits that took place early in the COVID-19 pandemic suggests that handling routine health concerns by phone or video is a safe and effective option alongside in-person visits.

The study, published in the American Journal of Managed Care, found low rates of follow-up care required in the 7 days after a phone or video visit. Video visits were followed by an in-person office visit in 11.8% of cases, as were 12.5% of phone visits. Just 1.2% of visits by video and 1.5% by phone were followed by a trip to the emergency department.

Mary Reed, DrPH

“This is a reassuring message that both types of telemedicine look like they are meeting patients’ needs well enough that patients are not often returning to the clinic or emergency room or worse, being hospitalized,” said senior author Mary Reed, DrPH, a research scientist with the Kaiser Permanente Division of Research.

The researchers examined 734,442 patient-initiated primary care telehealth visits between March 16 and October 31, 2020, the initial COVID-19 pandemic period when the majority of medical visits being scheduled online by KPNC members were virtual. In-person office visits were available based on a doctor’s recommendation after a virtual visit.

Despite the attention paid to the pandemic era growth of patients and doctors meeting by video, this analysis of care at the height of pandemic restrictions actually found a substantial amount of care was provided by telephone – 58.4% of telehealth visits.

Lead author Jie Huang, PhD, Division of Research data scientist, said the results support the utility of a simple phone call. “The telephone visit can provide an accessible option to address patient primary care needs  for people who may not have technology or knowledge of video without raising  safety concerns,” Huang said.

The study also compared medical actions taken during video and phone visits. Video visits had slightly higher medication prescribing (any medication: 37.4% video vs. 33.9% phone; antibiotic: 7.7% video vs. 7.3% phone) and lab and imaging orders: 31.3% video vs. 27.4% phone.

Jie Huang, PhD

The authors noted both types of telehealth have strengths; video visits may be more efficient for care that benefits from a face-to-face connection or sharing visual information, while phone visits may be more convenient for those without video capability.

Previous research by the study team compared virtual and in-person visits, before the pandemic, and found health outcomes were comparable. Pre-pandemic, KPNC patients were choosing telehealth for primary care 14% of the time. That rate rose dramatically during the early pandemic, and has since declined again, but not to as low as before pandemic shutdowns.

Phone and video visits are likely a permanent feature of the care landscape, Reed said. “These methods of care continue to be strongly used,” she said. “These findings are important because they really reflect the way telemedicine is going to continue to be used in a substantial fashion, rather than as a sort of peripheral option like we saw pre-pandemic.”

The study was funded by the Agency for Healthcare Research and Quality.

Additional co-authors were Anjali Gopalan, MD, MS, Loretta Hsueh, PhD, and Andrea Millman, MA, of the Division of Research; Emilie Muelly, MD, of The Permanente Medical Group; and Ilana Graetz, PhD, of Emory University.

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About the Kaiser Permanente Division of Research

The Kaiser Permanente Division of Research conducts, publishes and disseminates epidemiologic and health services research to improve the health and medical care of Kaiser Permanente members and society at large. It seeks to understand the determinants of illness and well-being, and to improve the quality and cost-effectiveness of health care. Currently, DOR’s 600-plus staff is working on more than 450 epidemiological and health services research projects. For more information, visit divisionofresearch.kaiserpermanente.org or follow us @KPDOR.

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