Abstract
Coronavirus disease 2019 (COVID-19) has been shown to increase the risk of stroke. However, the prevalence and risk of recurrent stroke in COVID-19 patients with prior stroke/transient ischemic attack (TIA), as well as its impact on mortality, are not established. To evaluate the impact of COVID-19 on in-hospital mortality, length of stay, and healthcare costs in patients with recurrent strokes. We identified admissions of recurrent stroke (current acute ischemic stroke admissions with at least one prior TIA or stroke) in patients with and without COVID-19 using ICD-10-CM codes using the National Inpatient Sample (2020). We analyzed the impact of COVID-19 on mortality following recurrent stroke admissions by subgroups. Of 97455 admissions with recurrent stroke, 2140 (2.2%) belonged to the COVID-19-positive group. The COVID-19-positive group had a higher prevalence of diabetes and chronic kidney disease vs the COVID-19 negative group (P < 0.001). Among the subgroups, patients aged > 65 years, patients aged 45-64 years, Asians, Hispanics, whites, and blacks in the COVID-19 positive group had higher rates of all-cause mortality than the COVID-19 negative group (P < 0.01). Higher odds of in-hospital mortality were seen in the group aged 45-64 (OR: 8.40, 95%CI: 4.18-16.91) vs the group aged > 65 (OR: 7.04, 95%CI: 5.24-9.44), males (OR: 7.82, 95%CI: 5.38-11.35) compared to females (OR: 6.15, 95%CI: 4.12-9.18), and in Hispanics (OR: 15.47, 95%CI: 7.61-31.44) and Asians/Pacific Islanders (OR: 14.93, 95%CI: 7.22-30.87) compared to blacks (OR: 5.73, 95%CI: 3.08-10.68), and whites (OR: 5.54, 95%CI: 3.79-8.09). The study highlights the increased risk of all-cause in-hospital mortality in recurrent stroke patients with COVID-19, with a more pronounced increase in middle-aged patients, males, Hispanics, or Asians.
Published Version
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