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Effects of circadian rhythm on ed50 of ropivacaine for epidural labor analgesia

Effects of circadian rhythm on ed50 of ropivacaine for epidural labor analgesia

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1900025269
Enrollment
Unknown
Registered
2019-08-18
Start date
2019-08-22
Completion date
Unknown
Last updated
2019-08-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Labor analgesia

Interventions

group of 7:00am-7:00pm and group of 7:00pm-7:00am:Ropivacaine

Sponsors

Jiaxing Maternity and Child Health Care Hospital
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 45 Years

Inclusion criteria

Inclusion criteria: Single natural childbirth of the first parturient,ASA 1-2 level, height 150-170cm.

Exclusion criteria

Exclusion criteria: Epidural block contraindication, cesarean section, analgesia before delivery with other analgesics.

Design outcomes

Primary

MeasureTime frame
ed50 of ropivacaine ;—

Countries

China

Contacts

Public ContactDeng Jiali

Jiaxing Maternity and Child Health Care Hospital

461384677@qq.com+86 18857384926

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 14, 2026