Obstetric anesthesia

Outcome predictors and patient progress following delivery in pregnant and postpartum patients with severe COVID-19 pneumonitis in intensive care units in Israel (OB-COVICU): a nationwide cohort study

Lancet Respir MedPublished Prospective and retrospective cohort study

An erratum to this article was published (Lancet Respir Med, Apr 2023 ↗)

Authors' conclusion

In patients who underwent delivery during their ICU stay, maternal outcome deteriorated following delivery among those defined as critical compared with non-critical patients, who improved following delivery.

Study context

Population
Pregnant women (13th week of gestation to 1st week postpartum) admitted to an intensive care unit (ICU) in Israel with severe COVID-19 pneumonitis, Feb 2020–Jan 2022analysed
Participants
84 women
Exposure
Delivery-critical vs delivery-non-critical vs postpartum vs no-delivery
  • No-deliveryn = 34
  • Postpartumn = 4
  • Delivery-criticaln = 32
  • Delivery-non-criticaln = 14
Outcome
Maternal outcome (worst of: no invasive positive pressure ventilation [IPPV], IPPV, ECMO, or death); primary longitudinal outcome SOFA score
Methodological detailsmulticentre, nationwide
  • Multicentre
  • Nationwide

Main finding

As reported in the abstract

Maternal outcome: IPPV (events), ECMO and death (measures)
GroupValueECMODeath
Delivery-critical81%12 (38%)1 (3%)
Postpartum100%3 (75%)2 (50%)
No-delivery18%00
Delivery-non-critical14%00

Value

Delivery-critical81%
Postpartum100%
No-delivery18%
Delivery-non-critical14%

ECMO

Delivery-critical12 (38%)
Postpartum3 (75%)
No-delivery0
Delivery-non-critical0

Death

Delivery-critical1 (3%)
Postpartum2 (50%)
No-delivery0
Delivery-non-critical0

Observational data: associations, not effects.

Further findings

Predictors of adverse maternal outcome (SpO2, S/F ratio, P/F ratio, ROX index, Sequential Organ Failure Assessment (SOFA) and PORCH scores)

All highly predictive for adverse maternal outcome
P < 0.0001

ICU course and duration

Delivery-critical group deteriorated on day of delivery, continued to deteriorate and took longer to recover (ICU duration, Mantel-Cox)
P < 0.0001
Delivery-non-critical group improved rapidly following delivery

Day of delivery as covariate for longitudinal scores

Significant covariate for PORCH score
P < 0.0001
Not significant for SOFA score
P = 0.09

Original publication

Outcome predictors and patient progress following delivery in pregnant and postpartum patients with severe COVID-19 pneumonitis in intensive care units in Israel (OB-COVICU): a nationwide cohort study. Lancet Respir Med. Published 3 February 2023. doi:10.1016/s2213-2600(22)00491-x

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