[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100602158":3},{"organization":4,"armGroups":7,"interventions":17,"overallOfficials":10,"centralContacts":22,"locations":32,"responsibleParty":44,"collaborators":10,"id":47,"slug":10,"hasResults":48,"nctId":49,"briefTitle":50,"officialTitle":51,"acronym":10,"eligibilityCriteria":52,"healthyVolunteers":48,"sex":53,"minAge":54,"maxAge":55,"enrollmentInfo":56,"targetDuration":59,"studyType":60,"phases":10,"briefSummary":61,"conditions":62,"keywords":10,"overallStatus":67,"whyStopped":10,"lastUpdateSubmitDate":68,"lastUpdatePostDateStruct":69,"startDateStruct":72,"completionDateStruct":74,"leadSponsor":76,"locationsCount":77},{"fullName":5,"class":6},"Ankara City Hospital Bilkent","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"ORI>0.24",null,"Patients, aged between 18 and 60 years, classified as ASA physical status I-II,and with a Mallampati score \\\u003C2, were enrolled.On the day of surgery, following identity verification and confirmation of the surgical site, patients were positioned on a warmed operating table.Standard monitoring was applied, including ECG, SBP and DBP, SpO₂, and the ORI.Preoxygenation was achieved by administering 100% oxygen via 8 deep breaths over 60 seconds.When the ORI value reached 0.4, intravenous anesthesia induction was initiated using propofol 2 mg\u002Fkg, fentanyl 2 mcg\u002Fkg, and rocuronium 0.6mg\u002Fkg.During muscle relaxation, patients were not ventilated via mask.The ORI value at the time of induction and at the 2nd minute post-induction was recorded.If the ORI dropped below 0.24 before the 2-minute mark, mask ventilation was initiated, and the time of intervention was noted.Endotracheal intubation was then performed using a standard,atraumatic technique after achieving adequate muscle relaxation.",[13],"Other: OXYGEN RESERVE INDEX",{"label":15,"type":10,"description":11,"interventionNames":16},"ORI\u003C0.24",[13],[18],{"type":6,"name":19,"description":20,"armGroupLabels":21,"otherNames":10},"OXYGEN RESERVE INDEX","Noted for each patient.",[15,9],[23,28],{"name":24,"role":25,"phone":26,"phoneExt":10,"email":27},"Ayşegül Özel Erdem","CONTACT","05549777289","aysegulozell@gmail.com",{"name":29,"role":25,"phone":30,"phoneExt":10,"email":31},"Ayça Özcan","05057154125","draycaozcan@gmail.com",[33],{"facility":34,"status":10,"city":35,"state":36,"zip":10,"country":37,"countryCode":10,"cosmosGeoPoint":38,"geoPoint":43,"contacts":10},"Ankara Bilkent City Hospital","Ankara","çankaya","Turkey (Türkiye)",{"type":39,"coordinates":40},"Point",[41,42],32.85427,39.91987,{"lat":42,"lon":41},{"type":45,"investigatorFullName":29,"investigatorTitle":46,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"PRINCIPAL_INVESTIGATOR","Prof.","100602158",false,"NCT07119866","The Role of Oxygen Reserve Index (ORi) in Apneic Ventilation","The Role of Oxygen Reserve Index (ORi) Monitoring in Optimizing Apneic Ventilation for Laparoscopic Cholecystectomy","Inclusion Criteria:\n\n* 18-60 years\n* ASA 1-2\n* Mallampati score \\\u003C2\n* Scheduled for elective laparoscopic cholecystectomy under general anesthesia\n\nExclusion Criteria:\n\n* \\\u003C18 and \\>60 years\n* ASA 3-4\n* Initial ORI value below 0.24","ALL","18 Years","60 Years",{"count":57,"type":58},60,"ESTIMATED","1 Day","OBSERVATIONAL","Background: The Oxygen Reserve Index (ORI) is a non-invasive parameter utilizing multi-wavelength pulse co-oximetry. ORI can provide early warnings of deteriorating oxygenation before changes are reflected in SpO₂ levels. This study aimed to investigate the feasibility of non-ventilated intubation in patients undergoing cholecystectomy as a means to achieve safe intubation without nasogastric tube placement, with reduced trauma and cost, and improved time efficiency.",[63,64,65,66],"Oxygen Reserve Index","Apnea","Ventilation","Body Mass Index","NOT_YET_RECRUITING","2025-08-06",{"date":70,"type":71},"2025-08-13","ACTUAL",{"date":73,"type":58},"2025-08-07",{"date":75,"type":58},"2025-08-30",{"name":5,"class":6},1]