Study on the Effect of Pulse Therapy for Labor Analgesia Based on Maternal Abdominal Circumference

The epidural analgesia effect of programmed intermittent epidural pulse method based on maternal abdominal circumference during delivery

Status

Active, not recruiting

Phases

Phase 4

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2500097160

Enrollment

Unknown

Registered

2025-02-13

Start date

2025-03-01

Completion date

Unknown

Last updated

2025-02-17

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

Conditions

Labor Analgesia

Interventions

Big abdominal circumference group:NA

Small abdominal circumference group:NA

Eligibility

Sex/Gender

Female

Age

20 Years to 40 Years

Inclusion criteria

Inclusion criteria: 1. Aged 20-40 years; 2. ASA?-?; 3. Single Birth; 4. Have indications for natural childbirth; 5. Nullipara.

Exclusion criteria

Exclusion criteria: 1. Contraindications for Intraspinal Anesthesia; 2. Height less than 150 cm; 3. History of allergy to lidocaine, ropivacaine, and opioids; 4. Body temperature of 38°C or above; 5. Cardiovascular diseases (valvular diseases, congenital heart disease, cardiomyopathy, pulmonary hypertension); 6. Neuromuscular diseases; 7. Severe preeclampsia.

Design outcomes

Primary

Measure	Time frame
The level of analgesia block for maternal pain relief;Pain Score for labor pain;	—

Secondary

Measure	Time frame
Motor Block Score;The Apgar Score for newborns;The incidence rate of postpartum depression on the 42nd day after childbirth for mothers.;	—

Countries

China

Contacts

Public ContactLiu Xiaoling

Affiliated hangzhou first people's hospital, zhejiang university school of medicine

mzlxl0620@zcmu.edu.cn+86 15968160316

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026