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The effect of circadian rhythm on postoperative pain in patients undergoing anorectal surgery

The effect of circadian rhythm on postoperative pain in patients undergoing anorectal surgery

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600116005
Enrollment
Unknown
Registered
2026-01-04
Start date
2026-01-04
Completion date
Unknown
Last updated
2026-01-05

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

Conditions

Hemorrhoids

Interventions

Mixed Hemorrhoids Observation group:None

Sponsors

Chongqing Traditional Chinese Medicine Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Patients who are scheduled to undergo surgical treatment for mixed hemorrhoids under sacral canal anesthesia in our hospital from January to September 2026; 2. Aged 18 to 65; 3.ASA classification 1-2 grades; 4. Body mass index < 30kg/m ²; 5. Obtain informed consent.

Exclusion criteria

Exclusion criteria: 1. Bleeding disorders; 2. Infection at the sacral canal puncture site; 3. Central nervous system diseases; 4. Severe liver and kidney diseases; 5. History of diabetes; 6. History of oral contraceptives or anticoagulant drugs such as aspirin within two weeks; 7. History of allergy to anesthetics; 8. Previous history of spinal canal or perianal surgery; 9. Communication barriers and inability to sign informed consent forms; 10. History of chronic pain or long-term oral painkillers.

Design outcomes

Primary

MeasureTime frame
The duration from the start of anesthesia to the onset of pain after surgery.;

Secondary

MeasureTime frame
VAS scores from the day of surgery up to 21 days postoperatively;VAS score during defecation;Postoperative analgesic consumption;Frequency of rescue analgesia;Rescue analgesic dose;

Countries

China

Contacts

Public ContactYin He

Chongqing Traditional Chinese Medicine Hospital

heyin@cqctcm.edu.cn+86 183 2308 8439

Outcome results

None listed

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