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IRCT20231022059807N1 IRCT 2023-11-13 Shahid Beheshti University of Medical Sciences Selecting Appropriate LMA Comparison of weight methods and anthropometric measurement of Hyocricoid Distance in predicting the appropriate size of Laryngeal Mask Airway in patients airway management 2023-11-22 anticipated 100 Complete https://irct.ir/trial/73587 interventional Randomization: Randomized, Blinding: Triple blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Simple randomization will be done with the help of Random Generator Android version. The first group will be measured by weight method and the second group will be choosing the size of LMA based on Hyocricoid Distance. This software displays the number one or two, and for each patient, a number 1 or 2 is taken from this software and assigned to the appropriate group, Blinding description: In this study, a person outside of the study will randomly (by use of software) assign a patient to a group and determines the size of the patient's LMA. A fixed person will insert the LMA according to the announced number, without knowing the patient's group. The third person will record the complications after the LMA insertion without knowing the patient's group. N/A Sore throat caused by LMA insertion. Intervention 1: Control group: selection of LMA size based on weight. Intervention 2: Intervention group: selection of LMA size based on HCD. Yes - There is a plan to make this available What will be shared: all collected deidentified IPD When: Access starts one month after results are published To whom: The data will be available to all applicants. Conditions: The data will be available for scientific use only Where to obtain: Applicants will apply to ardeshir.tajbakhsh@gmail.com. How to obtain: The request was submitted to the research committee of Shahid Beheshti University of Medical Sciences' Department of Anesthesia, and if approved, it will be available after a week. Comments:
public Ardeshir Tajbakhsh
Shahid Madani Street, Imam Hossein (AS) Hospital
Tehran Iran (Islamic Republic of) 1617763141 +98 21 7343 0000 ardeshir.tajbakhsh@gmail.com Shahid Beheshti University of Medical Sciences scientific Ardeshir Tajbakhsh
Shahid Madani Street, Imam Hossein (AS) Hospital
Tehran Iran (Islamic Republic of) 1617763141 +98 21 6343 0000 ardeshir.tajbakhsh@gmail.com Shahid Beheshti University of Medical Sciences Iran (Islamic Republic of) All patients under general anesthesia by LMA Age above 18 years Absence of contraindications for LMA insertion ASA Class I-II 18 years no limit Both Lack of consent to enter the study T88.5 Other complications of anaesthesia Treatment - Devices Treatment - Devices Control group: selection of LMA size based on weight Intervention group: selection of LMA size based on HCD Comparison of the effect of LMA size selection based on HCD with the standard method (based on weight) on the success rate of positive pressure ventilation. Timepoint: Measurement of airway pressure and the shape of the respiratory return curve after LMA implantation. Method of measurement: Fabius model anesthesia machine. The rate of complications of LMA implantation. Timepoint: Immediately after anesthesia and two hours after anesthesia. Method of measurement: Questionnaire and interview. Shahid Beheshti University of Medical Sciences Approved 2023-09-26 Research Ethics Committees of schol of medicine- Shahid Beheshti University of Medical Sciences Valenjak Street, Faculty of Medicine, Shahid Beheshti University of Medical Sciences Tehran Tehran Iran (Islamic Republic of)