[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100638234":3},{"organization":4,"armGroups":7,"interventions":25,"overallOfficials":31,"centralContacts":40,"locations":31,"responsibleParty":46,"collaborators":31,"id":50,"slug":51,"hasResults":52,"nctId":53,"briefTitle":54,"officialTitle":55,"acronym":31,"eligibilityCriteria":56,"healthyVolunteers":52,"sex":57,"minAge":58,"maxAge":31,"enrollmentInfo":59,"targetDuration":31,"studyType":62,"phases":63,"briefSummary":65,"conditions":66,"keywords":71,"overallStatus":78,"whyStopped":31,"lastUpdateSubmitDate":79,"lastUpdatePostDateStruct":80,"startDateStruct":83,"completionDateStruct":85,"leadSponsor":87,"locationsCount":31},{"fullName":5,"class":6},"Trakya University","OTHER",[8,14,19],{"label":9,"type":10,"description":11,"interventionNames":12},"Hyper-angulated blade C-MAC videolaryngoscopy","EXPERIMENTAL","HCMAC:\n\nDLT intubation performed using the Storz C-MAC hyperangulated D-blade videolaryngoscope. The D-blade provides an acutely angled geometry and transmits a high-resolution glottic image to an external monitor. The DLT stylet is shaped to match the hyperangulated blade curvature prior to intubation. Glottic view, intubation time, number of attempts, auxiliary maneuvers, and intubation-related complications are recorded. Correct tube placement is confirmed by fiberoptic bronchoscopy.",[13],"Device: C-MAC Hyperangulated D-Blade Videolaryngoscopy",{"label":15,"type":10,"description":16,"interventionNames":17},"Macintosh-type blade C-MAC videolaryngoscopy","MCMAC:\n\nDLT intubation performed using the Storz C-MAC Macintosh blade videolaryngoscope. The Macintosh geometry blade allows both direct and indirect (video-assisted) laryngoscopy and preserves standard hand mechanics familiar to the operator. The DLT stylet is shaped to match the Macintosh blade curvature prior to intubation. Glottic view, intubation time, number of attempts, auxiliary maneuvers, and intubation-related complications are recorded. Correct tube placement is confirmed by fiberoptic bronchoscopy.",[18],"Device: C-MAC Macintosh Blade Videolaryngoscopy",{"label":20,"type":21,"description":22,"interventionNames":23},"Direct laryngoscopy","ACTIVE_COMPARATOR","DL:\n\nDLT intubation performed using a standard direct Macintosh laryngoscope without video assistance. This arm serves as the active comparator representing current standard clinical practice for DLT intubation in thoracic surgery. The DLT stylet is shaped to match the Macintosh blade curvature prior to intubation. Glottic view, intubation time, number of attempts, auxiliary maneuvers, and intubation-related complications are recorded. Correct tube placement is confirmed by fiberoptic bronchoscopy.",[24],"Device: Direct Macintosh Laryngoscopy",[26,32,36],{"type":27,"name":28,"description":29,"armGroupLabels":30,"otherNames":31},"DEVICE","C-MAC Hyperangulated D-Blade Videolaryngoscopy","Double-lumen endotracheal tube intubation performed using the Storz C-MAC hyperangulated D-blade videolaryngoscope. The D-blade provides an acutely angled viewing geometry with high-resolution video transmission to an external monitor. The DLT stylet is shaped to match the D-blade curvature prior to intubation. All devices are CE-marked and used in accordance with the manufacturer's intended purpose.",[9],null,{"type":27,"name":33,"description":34,"armGroupLabels":35,"otherNames":31},"C-MAC Macintosh Blade Videolaryngoscopy","Double-lumen endotracheal tube intubation performed using the Storz C-MAC Macintosh blade videolaryngoscope. The Macintosh geometry blade enables both direct and video-assisted laryngoscopy while preserving standard hand mechanics. The DLT stylet is shaped to match the Macintosh blade curvature prior to intubation. All devices are CE-marked and used in accordance with the manufacturer's intended purpose.",[15],{"type":27,"name":37,"description":38,"armGroupLabels":39,"otherNames":31},"Direct Macintosh Laryngoscopy","Double-lumen endotracheal tube intubation performed using a standard direct Macintosh laryngoscope without video assistance. This represents current standard clinical practice for DLT intubation in thoracic surgery and serves as the active comparator. The DLT stylet is shaped to match the Macintosh blade curvature prior to intubation. All devices are CE-marked and used in accordance with the manufacturer's intended purpose.",[20],[41],{"name":42,"role":43,"phone":44,"phoneExt":31,"email":45},"havva suheyla akin uzan, medical doctor","CONTACT","+905079516118","shylaakin@gmail.com",{"type":47,"investigatorFullName":48,"investigatorTitle":49,"investigatorAffiliation":5,"oldNameTitle":31,"oldOrganization":31},"PRINCIPAL_INVESTIGATOR","Havva Suheyla AKIN UZAN, MD","Assistant professor","100638234","hyperangulated-vs-standard-videolaryngoscopy-vs-direct-laryngoscopy-for-double-lumen-endobronchial-tube-intubation-100638234",false,"NCT07614529","Hyperangulated vs Standard Videolaryngoscopy vs Direct Laryngoscopy for Double-Lumen Endobronchial Tube Intubation","Evaluation of Efficacy and Safety of Hyperangulated and Standard Curvature Blade Video Laryngoscopy Versus Direct Laryngoscopy for Double-Lumen Endobronchial Tube Intubation","Inclusion Criteria:\n\n* Age 18 years or older\n* Written informed consent obtained prior to surgery\n* ASA physical status class I, II, or III\n* Scheduled for elective thoracic surgery requiring one-lung ventilation and double-lumen endobronchial intubation\n\nExclusion Criteria:\n\n* Age under 18 years\n* Refusal or inability to provide informed consent\n* ASA physical status class IV or above\n* Emergency surgery\n* Anticipated difficult airway, defined by any of the following: Mallampati score 4, thyromental distance less than 6.5 cm, restricted mouth opening, or BMI greater than 30 kg\u002Fm²\n* History of upper airway surgery\n* Significant upper airway obstruction or stridor\n* Pregnancy","ALL","18 Years",{"count":60,"type":61},180,"ESTIMATED","INTERVENTIONAL",[64],"NA","This is a prospective, randomized, single-center, three-arm, open-label, low-risk medical device clinical study conducted at the Department of Anesthesiology and Reanimation, Trakya University Medical Faculty.\n\nThe study aims to compare the efficacy, safety, and clinical usability of three laryngoscopy methods for double-lumen endotracheal tube (DLT) intubation in patients undergoing elective thoracic surgery requiring one-lung ventilation: (i) C-MAC hyperangulated (D-blade) videolaryngoscopy, (ii) C-MAC Macintosh blade videolaryngoscopy, and (iii) direct Macintosh laryngoscopy.\n\nThe primary outcome is the total time to successful DLT placement (in seconds), defined as the interval from the end of mask ventilation to fiberoptic bronchoscopic confirmation of correct tube position. Secondary outcomes include glottic visualization quality (POGO score and Cormack-Lehane grade), intubation difficulty (Intubation Difficulty Scale), number of intubation attempts, need for auxiliary maneuvers, intubation-related complications, malposition rate, and postoperative airway symptoms (sore throat, dysphonia) assessed at 1, 6, and 24 hours postoperatively.\n\nEligible patients are adults (≥18 years), ASA class I-III, scheduled for elective thoracic surgery requiring one-lung ventilation. Patients with anticipated difficult airway, emergency surgery, pregnancy, or prior upper airway surgery are excluded. A total of 180 patients will be enrolled and randomized 1:1:1 into three groups (60 per group) using computer-generated block randomization.",[67,68,69,70],"Endobronchial Intubation","Double Lumen Tube Intubation","Thoracic Surgery","One Lung Ventillation (OLV)",[72,73,74,75,76,77],"double-lumen endotracheal tube","videolaryngoscopy","direct laryngoscopy","C-MAC","thoracic anesthesia","one-lung ventilation","NOT_YET_RECRUITING","2026-05-28",{"date":81,"type":82},"2026-05-29","ACTUAL",{"date":84,"type":61},"2026-05-15",{"date":86,"type":61},"2029-01-15",{"name":5,"class":6}]