Patients with undiagnosed and/or rare disorders frequently manifest dysmorphic and neurological features. There is a lack of information on the effectiveness of telehealth in the evaluation of these disorders. We thus compared an unassisted virtual physical examination (PE) with an in-person PE in undiagnosed individuals and also assessed participant telehealth satisfaction. Twenty-six individuals enrolled in the Undiagnosed Diseases Network study underwent an in-home synchronous virtual PE, and a subsequent in-person PE, by the same clinician. The participants completed surveys on telehealth usability and provider empathy. On PE, general appearance and craniofacial features showed near perfect agreement (κ = 0.81-1.00) between the telehealth and in-person evaluations. Specific components of the neurological examination demonstrated substantial agreement (speech, gait, coordination; κ > 0.61), whereas others had moderate agreement (muscle tone, strength; κ = 0.41-0.60), and a few had none to slight agreement (skin; κ < 0.20). Some systems could not be examined in the virtual PE. Importantly, features relevant to diagnosis or management were missed on the virtual PE in only 2/26 individuals. The participants were satisfied with the quality of the telehealth interaction, as well as empathy demonstrated by providers in the virtual interface. Telehealth is effective for PEs in undiagnosed diseases and is acceptable to affected individuals.
Keywords: telegenetics; telehealth; undiagnosed diseases; virtual physical examination.
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