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Observational Study
. 2023 Dec 6;23(1):145.
doi: 10.1186/s12873-023-00915-6.

Prehospital COVID-19 patients discharged at the scene - an observational study

Kari Heinonen  1   2 , Markku Kuisma  3 , Heli Salmi  4 , Tuukka Puolakka  3
Affiliations
Observational Study

Prehospital COVID-19 patients discharged at the scene - an observational study

Kari Heinonen et al. BMC Emerg Med. .

Abstract

Background: Emergency medical services (EMS) were the first point of contact for many COVID-19 patients during the pandemic. The aim of this study was to investigate whether the non-conveyance decision of a COVID-19 patient was more frequently associated with a new EMS call than direct ambulance transport to the hospital.

Methods: All confirmed COVID-19 patients with an EMS call within 14 days of symptom onset were included in the study. Patients were compared based on their prehospital transport decision (transport vs. non-conveyance). The primary endpoint was a new EMS call within 10 days leading to ambulance transport.

Results: A total of 1 286 patients met the study criteria; of these, 605 (47.0%) were male with a mean (standard deviation [SD]) age of 50.5 (SD 19.3) years. The most common dispatch codes were dyspnea in 656 (51.0%) and malaise in 364 (28.3%) calls. High-priority dispatch was used in 220 (17.1%) cases. After prehospital evaluation, 586 (45.6%) patients were discharged at the scene. Oxygen was given to 159 (12.4%) patients, of whom all but one were transported. A new EMS call leading to ambulance transport was observed in 133 (10.3%) cases; of these, 40 (30.1%) were in the group primarily transported and 93 (69.9%) were among the patients who were primarily discharged at the scene (p<.001). There were no significant differences in past medical history, presence of abnormal vital signs, or total NEWS score. Supplemental oxygen was given to 33 (24.8%) patients; 3 (2.3%) patients received other medications.

Conclusion: Nearly half of all prehospital COVID-19 patients could be discharged at the scene. Approximately every sixth of these had a new EMS call and ambulance transport within the following 10 days. No significant deterioration was seen among patients primarily discharged at the scene. EMS was able to safely adjust its performance during the first pandemic wave to avoid ED overcrowding.

Keywords: Covid-19; Emergency Medical Services; Non-conveyance; Prehospital.

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Conflict of interest statement

The authors declare no competing interests.

Figures

Fig. 1
Fig. 1
Description of the study population. EMS Emergency Medical Service
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