Exploring the association between postoperative acute pain trajectory and postoperative chronic pain based on data mining algorithm : a prospective cohort study

Exploration of the association between postoperative acute pain trajectory and postoperative chronic pain based on data mining algorithm : a prospective cohort study

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2200062542

Enrollment

Unknown

Registered

2022-08-11

Start date

2022-12-31

Completion date

Unknown

Last updated

2023-04-12

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

Conditions

Postoperative acute and chronic pain

Interventions

Case series:None

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Age >= 18 years old; 2. ASA grade I - III; 3. Elective abdominal surgery under general anesthesia; 4. No communication barriers, and cooperative with understanding pain scale; 5. Sign informed consent.

Exclusion criteria

Exclusion criteria: 1. Long-term use of opioids (equivalent daily morphine dose of more than 30mg) for more than 3 months before the procedure; 2. Participated in other clinical trials within 3 months.

Design outcomes

Primary

Measure	Time frame
Chronic pain 3 months after operation;	—

Secondary

Measure	Time frame
Incidence of pruritus and PONV on postoperative day 1, 2, 3, and 5;Postoperative urine catheter retention time(h);Postoperative exhaust time (h);First time out of bed after surgery;Length of stay after surgery(h);Post-QoR 15 at day 5 after surgery;Pain at postoperative 1 month;	—

Countries

China

Contacts

Public ContactLi Qian

hxliqian@foxmail.com+86 18980601635

Outcome results

None listed

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