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Comparison of pupillary reflex dilation under general anesthesia with different inhaled anesthetics

Comparison of pupillary reflex dilation to standardized noxious stimulus during sevoflurane and desflurane anesthesia: a prospective randomized controlled trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CRIS
Registry ID
KCT0004653
Enrollment
70
Registered
2020-01-28
Start date
2020-01-20
Completion date
Unknown
Last updated
2020-02-24

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

Conditions

None listed

Interventions

Others(Apply tetanus on the ulnar nerve as a standardized noxious stimulus under general anesthesia using sevoflurane or desflurane.) : The general anesthesia will be maintained with sevoflurane or de

Sponsors

Hanyang University Seoul Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - Patients aged 20-55 undergoing general anesthesia - American Society of Anesthesiologist(ASA) physical status classification I, II

Exclusion criteria

Exclusion criteria: - If the patient does not agree with the study - If the patient has hypertension or diabetes mellitus - If the patient has eye diseases such as Horner syndrome and Sjogren's syndrome - If the patient takes medicine that can affect autonomic nerve and central nerve systems (i.e., anticholinergicss, beta blockers/agonists, alpha adrenergics, anti-depressants, anti anxiety agents, sleeping pills, opioids) - If the patient has chronic pain

Design outcomes

Primary

MeasureTime frame
Pupillary reflex dilation before and after standardized noxious stimulus

Secondary

MeasureTime frame
Change of blood pressure, heart rate, and BIS (bispectral index) before and after standardized noxious stimulus

Countries

Korea, Republic of

Contacts

Public ContactSoo Yeon Kim

Hanyang University Seoul Hospital

Outcome results

None listed

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