[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100640632":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":25,"centralContacts":30,"locations":39,"responsibleParty":55,"collaborators":25,"id":57,"slug":58,"hasResults":59,"nctId":60,"briefTitle":61,"officialTitle":62,"acronym":25,"eligibilityCriteria":63,"healthyVolunteers":59,"sex":64,"minAge":65,"maxAge":66,"enrollmentInfo":67,"targetDuration":25,"studyType":70,"phases":71,"briefSummary":73,"conditions":74,"keywords":25,"overallStatus":41,"whyStopped":25,"lastUpdateSubmitDate":76,"lastUpdatePostDateStruct":77,"startDateStruct":80,"completionDateStruct":82,"leadSponsor":84,"locationsCount":85},{"fullName":5,"class":6},"Ain Shams University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Age-Based Formula Group","ACTIVE_COMPARATOR","In neonates and infants under 1 year, a weight-based sizing is used:\n\n* Infants \\\u003C1 kg (Preterm): 2.5 mm ETT\n* Infants 1-2 kg: 3 mm ETT\n* Infants 2-3 kg (Full Term): 3 - 3.5 mm ETT\n* Infants \\>3 kg (3 months to 1 year): 3.5 - 4 mm ETT In Infants \\> 1 year, ETT size will be selected based on the standard formula: Cole's Formula for uncuffed ETT.\n\nETT ID (mm) = (Age\u002F4) + 4.",[13],"Other: Cole's Formula",{"label":15,"type":10,"description":16,"interventionNames":17},"Ultrasound Group","During mask ventilation, a trained anesthesiologist will perform transverse subglottic diameter measurement using a high-frequency linear ultrasound probe (7-15 MHz). The patient will be positioned supine with mild neck extension. The probe will be placed transversely just below the thyroid cartilage to identify the subglottic airway at the level of the cricoid cartilage. The measured diameter (in mm) will be recorded and used to determine ETT size from the equation:\n\nETT ID (mm) = Subglottic diameter (mm) × 0.8",[18],"Device: Ultrasound",[20,26],{"type":21,"name":22,"description":23,"armGroupLabels":24,"otherNames":25},"DEVICE","Ultrasound","Using Ultrasound for accuracy of ETT sizing",[15],null,{"type":6,"name":27,"description":28,"armGroupLabels":29,"otherNames":25},"Cole's Formula","Subglottic diameter in mm x 0.8",[9],[31,36],{"name":32,"role":33,"phone":34,"phoneExt":25,"email":35},"Nouran Nemr, M.B.B.Ch, M.Sc.","CONTACT","01008558583","Nourannemr@med.asu.edu.eg",{"name":37,"role":33,"phone":38,"phoneExt":25,"email":25},"Mohamed Tolba, MD","01156622298",[40],{"facility":5,"status":41,"city":42,"state":43,"zip":44,"country":45,"countryCode":46,"cosmosGeoPoint":47,"geoPoint":52,"contacts":53},"RECRUITING","Cairo","Abbasseya","00202","Egypt","EG",{"type":48,"coordinates":49},"Point",[50,51],31.24967,30.06263,{"lat":51,"lon":50},[54],{"name":32,"role":33,"phone":34,"phoneExt":25,"email":35},{"type":56,"investigatorFullName":25,"investigatorTitle":25,"investigatorAffiliation":25,"oldNameTitle":25,"oldOrganization":25},"SPONSOR","100640632","comparison-of-age-based-formula-and-ultrasound-guided-subglottic-diameter-measurement-for-endotracheal-tube-sizing-100640632",false,"NCT07586592","Comparison of Age-Based Formula and Ultrasound-Guided Subglottic Diameter Measurement for Endotracheal Tube Sizing","Comparison of Age-Based Formula and Ultrasound-Guided Subglottic Diameter Measurement for Endotracheal Tube Sizing in Single Ventricle Patients","Inclusion Criteria:\n\n* Pediatric patients (3 months to 8 years)\n* Patients with single ventricle physiology\n* Scheduled for Glenn or Fontan surgery or cardiac catheterization\n* Patients with Glenn or Fontan shunt scheduled for surgery\n\nExclusion Criteria:\n\n* Refusal of legal guardians\n* Emergency surgery\n* Patients with tracheostomy tubes\n* Recent or active upper respiratory tract infection\n* Airway anomalies (e.g. Pierre Robin, Treacher Collins)\n* ICU stay due to complications other than that of airway","ALL","3 Months","8 Years",{"count":68,"type":69},60,"ESTIMATED","INTERVENTIONAL",[72],"NA","To compare the accuracy of ultrasound-guided subglottic diameter measurement versus age-based formulas in determining the optimal endotracheal tube (ETT) size in pediatric patients with single ventricle physiology and reducing post-extubation complications.",[75],"Endotracheal Tube Wrongly Placed During Anesthetic Procedure","2026-05-08",{"date":78,"type":79},"2026-05-14","ACTUAL",{"date":81,"type":79},"2026-01-01",{"date":83,"type":69},"2027-06-30",{"name":5,"class":6},1]