Perinatal outcome of emergency cesarean section under neuraxial anesthesia versus general anesthesia: a seven-year retrospective analysis.

"Declarations Ethics approval and consent to participateThe study was conducted in accordance with relevant guidelines and regulations and approved by the Medical Ethics Committee of Nanjing Women and Children's Healthcare Hospital on July 8th, 2021 (2021KY023). Informed consent was obtained from all subjects or their legal guardians. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding This work was supported by the National Natural Science Foundation of China [grant numbers 81971045]."

"The study was conducted according to the principles of the Declaration of Helsinki. The study protocol was authorized by the Medical Ethics Committee of Nanjing Women and Children’s Healthcare Hospital on July 8th, 2021 (2021KY023) and was registered in the Chinese Clinical Trial Registry on August 16th, 2021 (ChiCTR2100050120). This retrospective, single-center cohort study included all patients scheduled for consecutive nonelective emergency CS from January 2015 through July 2021 and was performed at the Nanjing Women and Children’s Healthcare Hospital, a specialist maternity hospital. The data analyzed in this study were retrieved from an integrated electronic medical records system at our institution included patient hospitalization, coded diagnoses, medications, surgical and other procedures, patient characteristics, the DII, and the OAII, which was defined as the period from the end of drug injection until when the anesthesiologist would allow the surgeon to commence surgery if it was an emergency CS, DDI, and newborn or maternal condition. The 5-min Apgar score was documented as the primary outcome. The data were presented in an anonymous and standardized format."