New study looks at Anesthesia's impact on eye pressure in elderly cataract patients
NCT ID NCT06482996
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is looking at how general anesthesia affects blood pressure and eye pressure in people aged 65-85 having cataract surgery. Researchers will also check if frailty plays a role. The goal is to better understand these changes to improve safety for older patients.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 80 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2023
- Expected to finish
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Feb 2026
An estimate. End dates often move.
- Lead sponsor
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A government agency
The lead sponsor is a government body.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
This prospective randomized controlled double-blind study included a total of 80 ASA I-III patients aged 65-85 years undergoing cataract surgery under general anesthesia. Randomization Patients were randomly divided into two groups with frailty score as non-frail (40 patients) and pre-frail/frail (40 patients) by closed envelope method.
- Ages
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65 to 85 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * 65-85 age * ASA I-III * cataract surgery with genel anesthesia Exclusion Criteria: * cerebrovascular disease, * mental retardation and psychiatric illness, * pulmonary infection, history of advanced COPD or respiratory failure, * EF less than 40%, presence of cardiovascular disease, * bleeding diathesis, * renal and hepatic insufficiency, * presence of diabetes mellitus, diuretic/mannitol users, * substance abuse * BMI \>30
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Umraniye Education and Research hospital
RECRUITINGIstanbul, 34764, Turkey (Türkiye)
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Other studies related to the condition(s) this trial covers.
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- Can a new lens make glasses obsolete after cataract surgery?
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