FindTrial
Sign In

The efficiency of surgical plethysmographic index, pain threshold index, and pupil diameter in response to pain during laparoscopic appendectomy

The efficiency of surgical plethysmographic index, pain threshold index, and pupil diameter in response to pain during laparoscopic appendectomy

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2000040327
Enrollment
Unknown
Registered
2020-11-28
Start date
2018-12-28
Completion date
Unknown
Last updated
2021-02-16

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

Conditions

pain

Interventions

Case series:Nil

Sponsors

Wenzhou Integrated Chinese and Western Medical Hos
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Aged 18 to 65 years, ASA I-II, BMI <=25 kg/m2

Exclusion criteria

Exclusion criteria: disorders of the eye, neuromuscular system, or pain perception, long-term use of sedative and analgesic drugs; hypertension or diabetes; bradycardia (< 60 times/min); hypotension (MAP< 65 mmHg)

Design outcomes

Primary

MeasureTime frame
SPI;PTI;PD;—

Countries

China

Contacts

Public ContactYi-Zheng Li

Wenzhou Integrated Chinese and Western Medical Hospital

565435220@qq.com+86 15858506562

Outcome results

None listed

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