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The Effect of Fentanyl versus Buprenorphine on Pupil Size in Cataract Surgery

The Effect of Fentanyl versus Buprenorphine on Pupil Size in Cataract Surgery

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT201008211936N4
Enrollment
60
Registered
2010-09-11
Start date
2010-08-22
Completion date
Unknown
Last updated
2018-02-22

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

Conditions

puil size response to opioid. ---

Interventions

Intervention 1: In control group size of the pupil will be measured twice by the surgeon who is unaware of the induction regime. The induction drug in this group is STP 3 g/kg plus atracurium 0.2 mg /
Prevention
In control group size of the pupil will be measured twice by the surgeon who is unaware of the induction regime. The induction drug in this group is STP 3 g/kg plus atracurium 0.2 mg /kg plus fentanyl
In intervention group size of the pupil will be measured twice by the surgeon who is unaware of the induction regime. The induction drug in this group is STP 3 g/kg plus atracurium 0.2 mg /kg plus bup

Sponsors

Bushehr University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Inclusion criteria: All patients who are candidates for cataract surgery under general anaesthesia (GA) could be enrolled into this study. Exclusion criteria: Any situation that makes GA difficult or make pupil size measurement difficult (phaco-emulsification, glaucoma, addiction and history of previous surgery).

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

MeasureTime frame
Pupil diameter. Timepoint: Before induction anf 5 minutes after induction. Method of measurement: Hand holed papilometer.

Secondary

MeasureTime frame
Hemodynamic changes. Timepoint: Continuously measured from induction of Anaesthesia till discharge (24 hours). Method of measurement: questionnaire.;Shivering. Timepoint: The time at recovery. Method of measurement: observation.;Discharge from recovery. Timepoint: At the time of discharge. Method of measurement: questionnaire.

Countries

Iran (Islamic Republic of)

Outcome results

None listed

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