Acute cardiac care & resuscitation
Epidemic of the SARS-CoV-2 Omicron variant in Shanghai, China in 2022: Transient and persistent effects on Out-of-hospital cardiac arrests
Authors' conclusion
The monthly number of OHCAs doubled during the Omicron epidemic in Shanghai, and it remained elevated for another two months. OHCA affected individuals with cardiovascular and cerebrovascular diseases more during and after the epidemic than before it.
Study context
- Population
- OHCA patients admitted to the Shanghai Emergency Medical Center, 2018–2022
- Participants
- 55,104 OHCAs
- Exposure
- Omicron epidemic and post-epidemic periods vs pre-epidemic period
- Outcome
- Monthly number of OHCAs
Main finding
As reported in the abstract
Omicron epidemic
1702
events
Early post-epidemic
1515
events
Pre-epidemic
793
events
- Omicron epidemic vs pre-epidemic
- 2.1 times
- Early post-epidemic vs pre-epidemic
- 1.9 times
Observational data: associations, not effects.
Further findings
ROSC after OHCA
- ROSC significantly lower during the epidemic than before it
- aOR 0.61, 95% CI 0.41-0.90; P = 0.012
- Difference disappeared by the early post-epidemic
Original publication
Epidemic of the SARS-CoV-2 Omicron variant in Shanghai, China in 2022: Transient and persistent effects on Out-of-hospital cardiac arrests. Resuscitation. Published 8 February 2023. doi:10.
Summarised from the published abstract; every number is checked against it