Correlation and predictive study of preoperative pupillary function status and cognitive dysfunction in posterior wood

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2300076849

Enrollment

Unknown

Registered

2023-10-22

Start date

2023-11-01

Completion date

Unknown

Last updated

2023-10-22

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

Conditions

Postoperative cognitive dysfunction

Interventions

Postoperative cognitive impairment group:None

Eligibility

Sex/Gender

All

Age

65 Years to 85 Years

Inclusion criteria

Inclusion criteria: 1. Age = 65 years 2. ASA grade I-III 3. elective thoracoscopic pneumonectomy.

Exclusion criteria

Exclusion criteria: 1. Have eye disease, eye surgery 2. Neuromuscular dysfunction 3. Diabetes, thyroid dysfunction 4. Pupil deformity 5. Use of drugs that affect pupil size, use of alpha or beta blockers 6. Scheduled surgery duration >120 minutes 7. Scheduled to undergo neurosurgery

Design outcomes

Primary

Measure	Time frame
Init;End;Delta;LAT;ACV;MCV;ADV;	—

Countries

China

Contacts

Public ContactShi Cunxian

Yuhuangding Hospital of Qingdao University

shicunxian@163.com+86 135 6252 2206

Outcome results

None listed

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