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Evaluation of central sensitization after cesarean section and its circadian rhythm characteristics

Evaluation of central sensitization after cesarean section and its circadian rhythm characteristics

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2100054729
Enrollment
Unknown
Registered
2021-12-25
Start date
2021-12-27
Completion date
Unknown
Last updated
2022-12-05

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

Conditions

Pain after cesarean section

Interventions

Morning group:patient-controlled epidural analgesia
Afternoon group:patient-controlled epidural analgesia

Sponsors

Department of Anesthesiology, The Second Affiliated Hospital of Chongqing Medical University
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
20 Years to 40 Years

Inclusion criteria

Inclusion criteria: 1. Patients with elective cesarean section under spinal anesthesia; 2. The operation time of the morning group was from 08:00 to 12:00, and that of the afternoon group was from 14:00 to 18:00; 3. Voluntarily participate in the study and sign the informed consent.

Exclusion criteria

Exclusion criteria: 1. Patients with coagulation dysfunction; 2. Patients with ASA grade III or above; 3. Patients with central systemic diseases; 4. Patients with chronic pain diseases; 5. Long-term use of anti-inflammatory and analgesic drugs; 6. Patients who are allergic to the drugs used in the study.

Design outcomes

Primary

MeasureTime frame
Pressure pain threshold;Pressure pain tolerance;

Secondary

MeasureTime frame
Pain VAS Score;PCA pressing frequency;PCA consumption;

Countries

China

Contacts

Public ContactHuang He

Department of Anesthesiology, The Second Affiliated Hospital of Chongqing Medical University

coolduangy3344@126.com+86 13708385559

Outcome results

None listed

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