| Summary: | Objectives:. Coronavirus disease 2019 pandemic exercised a significant demand on healthcare workers. We aimed to characterize the toll of caring for coronavirus disease 2019 patients by registered nurses.
Design:. An observational study of two registered nurses cohorts.
Setting:. ICUs in a large academic center.
Subjects:. Thirty-nine ICU registered nurses assigned to coronavirus disease 2019 versus noncoronavirus disease 2019 patients.
Interventions:. None.
Measurements and Main Results:. Skin temperature (t [°C]), galvanic skin stress response (GalvStress), blood pulse wave, energy expenditure (Energy [cal]), number of steps (hr–1), heart rate (min–1), and respiratory rate (min–1) were collected using biosensors during the shift. National Aeronautics and Space Administration Task Loading Index measured the subjective perception of an assignment load. Elevated skin temperatures during coronavirus disease 2019 shifts were recorded (ΔtCOVID vs tnon-COVID = +1.3 [°C]; 95% CI, 0.1–2.5). Registered nurses staffing coronavirus disease patients self-reported elevated effort (ΔEffortCOVID vs Effortnon-COVID = +28.6; 95% CI, 13.3–43.9) concomitant with higher energy expenditure (ΔEnergyCOVID vs Energynon-COVID = +21.5 [cal/s]; 95% CI, 4.2–38.7). Galvanic skin stress responses were more frequent among coronavirus disease registered nurse (ΔGalStressCOVID vs GalvStressnon-COVID = +10.7 [burst/hr]; 95% CI, 2.6–18.7) and correlated with self-reported increased mental burden (ΔTLXMentalCOVID vs ΔTLXMentalnon-COVID = +15.3; 95% CI, 1.0–29.6).
Conclusions:. There are indications that registered nurses providing care for coronavirus disease 2019 in the ICU reported increased thermal discomfort coinciding with elevated energy expenditure and a more pronounced self-perception of effort, stress, and mental demand.
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