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IRCT20130311012782N36 IRCT 2019-09-15 Esfahan University of Medical Sciences The effect of two levels of end exhaustion carbon dioxide pressure on the cognitive status of patients undergoing cataract surgery A comparative study of two different levels of end exhaustion carbon dioxide pressure with cognitive status of patients after cataract surgery in patients referred to Faiz Hospital in 2017-18 2019-09-22 anticipated 240 Complete https://irct.ir/trial/41175 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Prevention, Randomization description: 240 patients under cataract surgery were selected and randomly allocated in tot two groups by Random Allocation Software, Blinding description: Patients are unaware of the level of the end exhaustion carbon dioxide pressure. Also, the level of CO2 at the end of the expiration of patients will be apply by the researcher and the outcome of the study is determined and recorded by another physician who is unaware of the groups. N/A Cataract. Intervention 1: Intervention group1: Level of End-Tidal Carbon Dioxide is set between 35-40 mmHg. Intervention 2: Intervention group2: Level of End-Tidal Carbon Dioxide is set between 40-45 mmHg. No - There is not a plan to make this available Justification or reason for not sharing IPD is Information belongs to government agency
public Najmeh Askarianfard
Soffeh Street
Iasfahan Iran (Islamic Republic of) 8174673461 +98 31 3669 2174 Na.askarianfard93@yahoo.com Esfahan University of Medical Sciences scientific Kourosh Naghibi
Soffeh Street
Isfahan Iran (Islamic Republic of) 8174673461 +98 31 3669 2174 naghibi@med.mui.ac.ir Esfahan University of Medical Sciences Iran (Islamic Republic of) Consent to participate in the study Candidate for cataract surgery ander general anesthesia age above 65 years American Society Anesthesiologist:1,2 65 years no limit Both History of allergy to anesthesial drugs History of moderate or severe psychological disorders H40.10 Unspecified open-angle glaucoma Treatment - Surgery Treatment - Surgery Intervention group1: Level of End-Tidal Carbon Dioxide is set between 35-40 mmHg Intervention group2: Level of End-Tidal Carbon Dioxide is set between 40-45 mmHg Cognitive Disorder. Timepoint: Until 24 hours after surgery. Method of measurement: Mini- Mental Status Examination check list. Hemodynamic Disorder. Timepoint: Every 15 minutes during operation and recovery. Method of measurement: Pulse oximetry. Esfahan University of Medical Sciences Approved 2017-10-17 Ethics committee of Isfahan University of Medical Sciences Hezar Jerib Street Isfahan Isfehan Iran (Islamic Republic of)