[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100628227":3},{"organization":4,"armGroups":7,"interventions":8,"overallOfficials":13,"centralContacts":17,"locations":7,"responsibleParty":26,"collaborators":7,"id":29,"slug":7,"hasResults":30,"nctId":31,"briefTitle":32,"officialTitle":33,"acronym":7,"eligibilityCriteria":34,"healthyVolunteers":30,"sex":35,"minAge":36,"maxAge":37,"enrollmentInfo":38,"targetDuration":7,"studyType":41,"phases":7,"briefSummary":42,"conditions":43,"keywords":7,"overallStatus":45,"whyStopped":7,"lastUpdateSubmitDate":46,"lastUpdatePostDateStruct":47,"startDateStruct":50,"completionDateStruct":51,"leadSponsor":53,"locationsCount":7},{"fullName":5,"class":6},"University of Gaziantep","OTHER",null,[9],{"type":10,"name":11,"description":12,"armGroupLabels":7,"otherNames":7},"DEVICE","Plethysmographic Variability Index (PVI) and Perfusion Index (PI) Monitoring","Non-invasive monitoring of plethysmographic variability index (PVI) and perfusion index (PI) will be performed using pulse oximetry during the peri-induction period in patients undergoing diagnostic direct laryngoscopy under general anesthesia. These parameters will be recorded before anesthesia induction and during the early post-induction phase to evaluate their association with changes in mean arterial pressure and their predictive value for post-induction hypotension.",[14],{"name":15,"affiliation":5,"role":16},"Elzem Sen, Assoc Prof","PRINCIPAL_INVESTIGATOR",[18,22],{"name":15,"role":19,"phone":20,"phoneExt":7,"email":21},"CONTACT","+905327842151","drelzemsen@gmail.com",{"name":23,"role":19,"phone":24,"phoneExt":7,"email":25},"Merve D Yılmaz, Dr","+905454253505","mervedeniztkmn@hotmail.com",{"type":16,"investigatorFullName":27,"investigatorTitle":28,"investigatorAffiliation":5,"oldNameTitle":7,"oldOrganization":7},"Elzem SEN","Associate Professor","100628227",false,"NCT07458893","Prediction of Post-Induction Hypotension Using Plethysmographic Variability Index During Diagnostic Laryngoscopy","Prediction of Post-Induction Hypotension Using the Plethysmographic Variability Index in Patients Undergoing Diagnostic Laryngoscopy Under General Anesthesia","Inclusion Criteria:\n\n* Scheduled to undergo elective direct laryngoscopy under general anesthesia Body mass index (BMI) between 18 and 40 kg\u002Fm² ASA physical status classification I-III Provision of written informed consent after being informed about the study\n\nExclusion Criteria:\n\n* Severe arrhythmias Advanced heart failure Severe valvular heart disease Preoperative shock or hemodynamic instability requirement for continuous vasopressor or inotropic infusion Significant peripheral vascular disease affecting peripheral circulation","ALL","18 Years","75 Years",{"count":39,"type":40},110,"ESTIMATED","OBSERVATIONAL","This prospective observational study aims to evaluate whether non-invasive hemodynamic parameters, including the plethysmographic variability index (PVI) and perfusion index (PI), can predict post-induction hypotension in patients undergoing diagnostic direct laryngoscopy under general anesthesia. Patients aged 18-75 years with ASA physical status I-III scheduled for elective direct laryngoscopy will be included. PVI and PI values will be recorded before anesthesia induction and in the early post-induction period. The relationship between these indices and the decrease in mean arterial pressure after induction will be analyzed to determine their predictive value for hypotension.",[44],"Post-Induction Hypotension","NOT_YET_RECRUITING","2026-03-04",{"date":48,"type":49},"2026-03-09","ACTUAL",{"date":48,"type":40},{"date":52,"type":40},"2027-02-10",{"name":5,"class":6}]