Feasibility of cognitive assessments post‐emergency department (ED) discharge: A longitudinal pilot study of Medicare‐enrolled adults 65 +

Abstract

AbstractBackground50% of US adults living with Alzheimer’s disease and related dementias (ADRD) never receive a formal diagnosis. This compromises the wellbeing of persons living with ADRD and their care partners, increases health services utilization, and the costs‐of‐care. Wider screening and assessment for ADRD may increase access to supportive care that prevents or delays disease progression, ameliorates care partner burden, and alleviates costs.MethodA sample of Medicare‐enrolled individuals 65+ (n = 149) presenting to the Oregon Health & Sciences University (OHSU) emergency department (ED) in Portland, Oregon between May 2022 and January 2023 were recruited and administered the Telephone Interview for Cognitive Status (TICS) up to one‐month post‐discharge. Study participants were queried about their physical health via the modified cumulative illness rating scale (M‐CIRS), while their cognitive health was assessed via the PROMIS Cognitive Measure Questions on Mental Clarity. Care utilization patterns were measured via review of subjects’ electronic health records (EHR) for three years prior to study enrollment date focusing on total hospitalizations, ED visits, and primary care (PC) visits. These reviews measured health care utilization across three groups comparing individuals with (A) un‐diagnosed cognitive impairment with (B) cognitively healthy individuals, and (C) individuals with a formal ADRD diagnosis.ResultStudy enrollment rate was 25.8% (n = 149) of individuals meeting eligibility requirements. Enrollment was limited to patients with an OHSU PC affiliated provider excluding the majority (ineligible n = 1681, 74%) of Medicare‐enrolled ED patients (total ED users available for recruitment was n = 2,258). Of those contacted, 10% declined participation due to lack of interest and 4% declined due to cognitive or health restraints. Time to administer instrument suite ranged between 26‐33 minutes.ConclusionMedicare‐enrolled adults 65+ recently discharged from the ED appear to be an acceptable population to administer cognitive assessments. Findings during the recruitment process show success at enrolling this population to the study and administration times did not appear burdensome in duration for those enrolled. This study provides preliminary evidence supporting a focus on older ED patients to administer cognitive assessments, linking outcomes to the EHR, and ultimately providing a platform for future research on the impact of under‐diagnosed ADRD on health outcomes and utilization.