Anesthesia practice for Cesarean delivery in Japan: a retrospective cohort study
Authors' conclusion
Although the rate of general anesthesia use for Cesarean delivery in Japan decreased gradually from 2005 to 2021, general anesthesia was used in 3.7% of all Cesarean deliveries. The use of general anesthesia varied significantly across institutions, and 52% of the overall variations in general anesthesia practice can be explained by differences between facilities.
Study context
- Population
- Patients who underwent Cesarean delivery in Japan, 1 January 2005 to 31 August 2021
- Participants
- 86,793 patients · 102,617 Cesarean deliveries · 2,496 institutions
- Outcome
- Use of GA
Methodological detailsnationwide health insurance claims database, two-level hierarchical logistic regression
- Nationwide health insurance claims database
- Two-level hierarchical logistic regression
Main finding
As reported in the abstract
GA use, all Cesarean deliveries
3.7%
95% CI 3.6 to 3.9
Observational data: associations, not effects.
Further findings
Temporal trend in GA use
- GA use in 2005
- 10.8%
- GA use in 2021
- 2.9%
- P for trend
- < 0.001
Interinstitutional variation in GA use
- Adjusted median OR for medical facilities
- 6.1 (95% CI 5.9 to 6.7)
- Intraclass correlation coefficient
- 0.52 (95% CI 0.51 to 0.55)
Original publication
Anesthesia practice for Cesarean delivery in Japan: a retrospective cohort study. Can J Anaesth. Published 13 November 2023. doi:10.
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