Obstetric anesthesia

Spinal chloroprocaine versus bupivacaine without opioid adjuvant for transvaginal cervical cerclage placement: a pragmatic retrospective cohort study (2018–2023)

Int J Obstet AnesthPublished Retrospective cohort study

Authors' conclusion

Intrathecal chloroprocaine dosing at 60 mg could substantially reduce exposure to IV opioid exposure without reducing the advantage of reduced time to void and discharge from the PACU.

Study context

Population
Patients undergoing transvaginal cervical cerclage under spinal anaesthesia
Participants
137 vs 67
Exposure
Chloroprocaine vs Bupivacaine
  • Chloroprocainen = 137
  • Bupivacainen = 67reference
Outcome
Adequacy of the primary neuraxial anaesthesia
Methodological detailspragmatic
  • Pragmatic

Main finding

As reported in the abstract

Adequate primary neuraxial anaesthesia

Observational data: associations, not effects.

Further findings

Estimated ED90 (isotonic regression)

IV opioid supplementation

Lower in chloroprocaine ≥ED90 vs <ED90, but not between chloroprocaine and bupivacaine

Time to void and to recovery room discharge

Shorter with both <ED90 and ≥ED90 chloroprocaine vs bupivacaine
Chloroprocaine doses above the ED90 did not prolong time to void or recovery room discharge

Original publication

Spinal chloroprocaine versus bupivacaine without opioid adjuvant for transvaginal cervical cerclage placement: a pragmatic retrospective cohort study (2018–2023). Int J Obstet Anesth. Published 3 January 2025. doi:10.1016/j.ijoa.2024.104323

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