Comparison of hemodynamic changes and intraocular pressure in laryngeal mask placement with relaxant and without relaxant in cataract surgery under general anesthesia.

Comparison of hemodynamic changes and intraocular pressure in laryngeal mask placement with relaxant and without relaxant in cataract surgery under general anesthesia; A randomized clinical trial study.

Status

Active, not recruiting

Phases

Phase 3

Study type

Interventional

Source

IRCT

Registry ID

IRCT20190618043934N32

Enrollment

Registered

2025-02-21

Start date

2025-03-21

Completion date

Unknown

Last updated

2025-07-21

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

Conditions

Cataract. Age-related cataract

Interventions

Intervention 1: Intervention group: Intervention group 1: The recipient received intravenous atracurium at a dose of 0.5 mg per kilogram of body weight. Intervention 2: Intervention group: Interventio

Eligibility

Sex/Gender

All

Age

50 Years to 80 Years

Inclusion criteria

Inclusion criteria: Patients who are candidates for cataract surgery According to the American Society of Cardiac Anesthesiologists classification as Class I or II Have informed consent.

Exclusion criteria

Exclusion criteria: Glaucoma Diabetes mellitus Severe respiratory disease Uncontrolled high blood pressure Known allergies to any of the medications used.

Design outcomes

Primary

Measure	Time frame
Blood pressure. Timepoint: It is performed upon entering the operating room and before induction of anesthesia, after the start of surgery and just before waking the patient, and 3 minutes after the laryngeal mask airway is removed. Method of measurement: Using the Saadat monitoring device.;SPO2. Timepoint: It is performed upon entering the operating room and before induction of anesthesia, after the start of surgery and just before waking the patient, and 3 minutes after the laryngeal mask airway is removed. Method of measurement: Using the Saadat monitoring device.;Intraocular pressure. Timepoint: It is performed upon entering the operating room and before induction of anesthesia, after the start of surgery and just before waking the patient, and 3 minutes after the laryngeal mask airway is removed. Method of measurement: Using a Scheutz tonometer.;Heart rate. Timepoint: It is performed upon entering the operating room and before induction of anesthesia, after the start of surgery and just before waking the patient, and 3 minutes after the laryngeal mask airway is removed. Method of measurement: Using the Saadat monitoring device.	—

Measure

Time frame

Blood pressure. Timepoint: It is performed upon entering the operating room and before induction of anesthesia, after the start of surgery and just before waking the patient, and 3 minutes after the laryngeal mask airway is removed. Method of measurement: Using the Saadat monitoring device.;SPO2. Timepoint: It is performed upon entering the operating room and before induction of anesthesia, after the start of surgery and just before waking the patient, and 3 minutes after the laryngeal mask airway is removed. Method of measurement: Using the Saadat monitoring device.;Intraocular pressure. Timepoint: It is performed upon entering the operating room and before induction of anesthesia, after the start of surgery and just before waking the patient, and 3 minutes after the laryngeal mask airway is removed. Method of measurement: Using a Scheutz tonometer.;Heart rate. Timepoint: It is performed upon entering the operating room and before induction of anesthesia, after the start of surgery and just before waking the patient, and 3 minutes after the laryngeal mask airway is removed. Method of measurement: Using the Saadat monitoring device.

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Countries

Iran (Islamic Republic of)

Contacts

Public ContactMahdi Abbasi

Birjand University of Medical Sciences

oabstudent@gmail.com+98 56 3232 3232

Outcome results

None listed

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