[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100614948":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":23,"centralContacts":28,"locations":38,"responsibleParty":55,"collaborators":10,"id":58,"slug":59,"hasResults":60,"nctId":61,"briefTitle":62,"officialTitle":63,"acronym":64,"eligibilityCriteria":65,"healthyVolunteers":60,"sex":66,"minAge":67,"maxAge":68,"enrollmentInfo":69,"targetDuration":10,"studyType":72,"phases":10,"briefSummary":73,"conditions":74,"keywords":77,"overallStatus":87,"whyStopped":10,"lastUpdateSubmitDate":88,"lastUpdatePostDateStruct":89,"startDateStruct":92,"completionDateStruct":94,"leadSponsor":96,"locationsCount":97},{"fullName":5,"class":6},"Ataturk University","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Cardiopulmonary Bypass Cohort",null,"Patients undergoing elective cardiac surgery with cardiopulmonary bypass (CABG, valve surgery, or aortic procedures). During the decannulation phase, left ventricular function will be assessed visually by the cardiac surgeon (eyeballing method) and objectively by intraoperative transesophageal echocardiography (TEE). No additional intervention is performed. Both evaluations are part of standard intraoperative monitoring. Data will be recorded simultaneously to compare the accuracy and agreement between visual estimation and TEE-derived ejection fraction.",[13],"Diagnostic Test: Intraoperative Left Ventricular Function Assessment",[15],{"type":16,"name":17,"description":18,"armGroupLabels":19,"otherNames":20},"DIAGNOSTIC_TEST","Intraoperative Left Ventricular Function Assessment","Left ventricular function will be assessed during the decannulation phase of cardiopulmonary bypass using two diagnostic methods: (1) visual estimation of ventricular contractility by the cardiac surgeon (eyeballing) and (2) objective measurement using intraoperative transesophageal echocardiography (TEE). No experimental procedure, medication, or additional intervention will be applied. Both assessments are part of standard intraoperative monitoring in cardiac surgery. Data from both methods will be collected simultaneously to compare accuracy, agreement, and diagnostic performance.",[9],[21,22],"Visual Estimation (Eyeballing)","Transesophageal Echocardiography (TEE)",[24],{"name":25,"affiliation":26,"role":27},"Muhammed Enes Aydın, Principal Investigator","Ataturk University Department of Anesthesiology and Reanimation","PRINCIPAL_INVESTIGATOR",[29,34],{"name":30,"role":31,"phone":32,"phoneExt":10,"email":33},"Muhammed Enes Aydin, Associate Professor","CONTACT","+90-554-331-82-89","enesmd@msn.com",{"name":35,"role":31,"phone":36,"phoneExt":10,"email":37},"Filiz Albayrak, assistant doctor","+90-545-226-98-49","zlfalbyrk@gmail.com",[39],{"facility":5,"status":10,"city":40,"state":10,"zip":41,"country":42,"countryCode":10,"cosmosGeoPoint":43,"geoPoint":48,"contacts":49},"Erzurum","25000","Turkey (Türkiye)",{"type":44,"coordinates":45},"Point",[46,47],41.27694,39.90861,{"lat":47,"lon":46},[50,52,53],{"name":51,"role":31,"phone":32,"phoneExt":10,"email":33},"Muhammed Enes Aydin, doctor",{"name":35,"role":31,"phone":36,"phoneExt":10,"email":37},{"name":35,"role":54,"phone":10,"phoneExt":10,"email":10},"SUB_INVESTIGATOR",{"type":27,"investigatorFullName":56,"investigatorTitle":57,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"Muhammed E Aydin","DOÇENT.DR","100614948","assement-of-left-ventricular-function-before-decannulation-in-cardiac-surgery-visual-estimation-vs-tee-100614948",false,"NCT07286227","Assement of Left Ventricular Function Before Decannulation in Cardiac Surgery :Visual Estimation vs TEE","Assessment of Left Ventricular Function Before Decannulation in Cardiopulmonary Bypass Surgeries: Comparison of the Cardiac Surgeon's Visual Estimation and Transesophageal Echocardiography","LVFuncTee","Inclusion Criteria:\n\n* Age between 18 and 75 years\n* Scheduled for elective cardiac surgery requiring cardiopulmonary bypass (CABG, valve surgery, or aortic surgery)\n* ASA physical status III-IV\n* Able and willing to provide written informed consent\n* Suitable for intraoperative transesophageal echocardiography (TEE)\n\nExclusion Criteria:\n\n* Emergency surgery\n* Known severe preoperative left ventricular dysfunction (EF \\\u003C 30%)\n* Significant arrhythmias (e.g., atrial fibrillation)\n* Preoperative requirement for mechanical circulatory support (e.g., IABP)\n* Contraindications to TEE (esophageal pathology, bleeding risk, strictures)\n* Inability to provide informed consent","ALL","18 Years","75 Years",{"count":70,"type":71},70,"ESTIMATED","OBSERVATIONAL","This study aims to evaluate the diagnostic performance of the cardiovascular surgeon's visual estimation of LV function before decannulation following cardiopulmonary bypass, using TEE results as the reference standard.",[75,76],"Cardiopulmonary Bypass Surgery","Left Ventricular Dysfunction",[78,79,80,81,82,83,84,85,86],"Transesophageal Echocardiography","Left Ventricular Ejection Fraction","Visual Estimation","Eyeballing Method","Cardiac Surgery","Ejection Fraction Assessment","Intraoperative Monitoring","Decannulation","Cardiopulmonary Bypass","NOT_YET_RECRUITING","2025-12-03",{"date":90,"type":91},"2025-12-16","ACTUAL",{"date":93,"type":71},"2026-01-01",{"date":95,"type":71},"2026-12-02",{"name":5,"class":6},1]