[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100599610":3},{"organization":4,"outcomesModule":7,"designInfo":20,"detailedDescription":19,"studyPopulation":23,"armGroups":24,"interventions":30,"overallOfficials":19,"centralContacts":35,"locations":19,"responsibleParty":42,"collaborators":19,"id":45,"slug":19,"hasResults":46,"nctId":47,"briefTitle":48,"officialTitle":49,"acronym":19,"eligibilityCriteria":50,"healthyVolunteers":46,"sex":51,"minAge":52,"maxAge":19,"enrollmentInfo":53,"targetDuration":19,"studyType":56,"phases":19,"briefSummary":57,"conditions":58,"keywords":60,"overallStatus":65,"whyStopped":19,"lastUpdateSubmitDate":66,"lastUpdatePostDateStruct":67,"startDateStruct":70,"completionDateStruct":72,"leadSponsor":74,"locationsCount":19},{"fullName":5,"class":6},"Ondokuz Mayıs University","OTHER",{"primaryOutcomes":8,"secondaryOutcomes":19,"otherOutcomes":19},[9,13,16],{"measure":10,"description":11,"timeFrame":12},"Prediction of Surgical Requirement Based on Tracheal Diameter on Initial CT","Evaluation of whether smaller tracheal diameter on initial CT is associated with need for surgery.\n\nUnit of Measure: millimeters","From initial diagnosis to surgical decision (up to 12 months)",{"measure":14,"description":15,"timeFrame":12},"Prediction of Surgical Requirement Based on Tracheal Wall Thickness on Initial CT","Evaluation of whether increased tracheal wall thickness on initial CT predicts surgical need.\n\nUnit of Measure: millimeters",{"measure":17,"description":18,"timeFrame":12},"Prediction of Surgical Requirement Based on HU Values of the Stenotic Segment on CT","Evaluation of whether high HU values in the stenotic segment predict surgical need.\n\nUnit of Measure: Hounsfield Units (HU)",null,{"allocation":19,"interventionModel":19,"interventionModelDescription":19,"primaryPurpose":19,"observationalModel":21,"timePerspective":22,"maskingInfo":19},"COHORT","RETROSPECTIVE","The study population consists of adult patients (aged 18 and older) diagnosed with tracheal stenosis, who underwent thoracic CT imaging at the time of diagnosis. All patients were treated or followed at Ondokuz Mayıs University Hospital between 2000 and 2025. Only patients with sufficient-quality DICOM-format CT scans and no prior tracheal surgery or radiotherapy were included.",[25],{"label":26,"type":19,"description":27,"interventionNames":28},"Tracheal Stenosis Patients","Patients diagnosed with tracheal stenosis whose thoracic CT scans were retrospectively analyzed to evaluate morphological and densitometric parameters. No intervention was applied; data were used to develop a CT-based risk score (TSMAS) to predict the need for surgical treatment.",[29],"Other: CT-Based Morphologic and Attenuation Scoring",[31],{"type":6,"name":32,"description":33,"armGroupLabels":34,"otherNames":19},"CT-Based Morphologic and Attenuation Scoring","Retrospective analysis of CT images to extract morphological and Hounsfield Unit (HU) parameters for development of a predictive scoring model (TSMAS). No clinical or therapeutic intervention was performed.",[26],[36],{"name":37,"role":38,"phone":39,"phoneExt":40,"email":41},"Caner İşevi, MD","CONTACT","+903623121919","4240","drcanerisevi@gmail.com",{"type":43,"investigatorFullName":37,"investigatorTitle":44,"investigatorAffiliation":5,"oldNameTitle":19,"oldOrganization":19},"PRINCIPAL_INVESTIGATOR","Principal Investigator","100599610",false,"NCT07086729","CT-Based Scoring System to Predict Surgical Need in Tracheal Stenosis (TSMAS Study)","Development of a CT-Derived Risk Score to Guide Treatment Decision: Tracheal Stenosis Morphology and Attenuation Score (TSMAS)","Inclusion Criteria:\n\n* Age ≥ 18 years\n* Diagnosed with tracheal stenosis\n* Underwent thoracic CT imaging at the time of diagnosis\n* CT scans available in adequate quality and in DICOM format\n* No prior surgical treatment for tracheal stenosis before CT imaging\n\nExclusion Criteria:\n\n* Tracheal stenosis due to malignancy, foreign body, or tracheobronchial tumors\n* History of tracheal surgery before CT imaging\n* Poor quality CT images (e.g., motion artifacts, incomplete tracheal segments)\n* Patients with a history of radiotherapy (RT) to the neck or mediastinum","ALL","18 Years",{"count":54,"type":55},80,"ESTIMATED","OBSERVATIONAL","This study aims to develop a CT-based scoring system to help predict whether patients with tracheal stenosis will require surgical treatment or can be managed with endoscopic procedures. Using retrospective data, researchers will evaluate CT scans of patients diagnosed with tracheal stenosis to measure features such as airway diameter, wall thickness, and tissue density (measured in Hounsfield Units). The goal is to create a non-invasive, reproducible, and objective tool-called the Tracheal Stenosis Morphology and Attenuation Score (TSMAS)-that can support clinical decision-making and improve treatment planning.",[59],"Tracheal Stenosis",[59,61,62,63,64],"Postintubation Stenosis","Hounsfield Unit","Morphologic Scoring","Computed Tomography","NOT_YET_RECRUITING","2025-07-18",{"date":68,"type":69},"2025-07-25","ACTUAL",{"date":71,"type":55},"2025-09-01",{"date":73,"type":55},"2026-01-30",{"name":5,"class":6}]