[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100645854":3},{"organization":4,"armGroups":7,"interventions":8,"overallOfficials":7,"centralContacts":12,"locations":18,"responsibleParty":33,"collaborators":7,"id":36,"slug":37,"hasResults":38,"nctId":39,"briefTitle":40,"officialTitle":41,"acronym":7,"eligibilityCriteria":42,"healthyVolunteers":38,"sex":43,"minAge":44,"maxAge":7,"enrollmentInfo":45,"targetDuration":7,"studyType":48,"phases":7,"briefSummary":49,"conditions":50,"keywords":7,"overallStatus":21,"whyStopped":7,"lastUpdateSubmitDate":52,"lastUpdatePostDateStruct":53,"startDateStruct":56,"completionDateStruct":58,"leadSponsor":60,"locationsCount":61},{"fullName":5,"class":6},"Ain Shams University","OTHER",null,[9],{"type":6,"name":10,"description":11,"armGroupLabels":7,"otherNames":7},"Internal Jugular Vein Collapsibility Index","Assessment of internal jugular vein collapsibility index to predict hypotension after the induction of general anesthesia in geriatric patients undergoing laparoscopic colorectal surgeries.",[13],{"name":14,"role":15,"phone":16,"phoneExt":7,"email":17},"Ibrahim Mamdouh Esmat","CONTACT","01001241928","ibrahim_mamdouh@med.asu.edu.eg",[19],{"facility":20,"status":21,"city":22,"state":7,"zip":7,"country":23,"countryCode":24,"cosmosGeoPoint":25,"geoPoint":30,"contacts":31},"Ain-Shams University Hospitals","RECRUITING","Cairo","Egypt","EG",{"type":26,"coordinates":27},"Point",[28,29],31.24967,30.06263,{"lat":29,"lon":28},[32],{"name":14,"role":15,"phone":16,"phoneExt":7,"email":17},{"type":34,"investigatorFullName":14,"investigatorTitle":35,"investigatorAffiliation":5,"oldNameTitle":7,"oldOrganization":7},"PRINCIPAL_INVESTIGATOR","Professor of Anesthesia, Intensive Care and Pain Management,Faculty of Medicine, Ain- shams University, Cairo, Egypt.","100645854","internal-jugular-vein-collapsibility-index-as-a-predictor-of-hypotension-100645854",false,"NCT07692425","Internal Jugular Vein Collapsibility Index as a Predictor of Hypotension","Internal Jugular Vein Collapsibility Index as a Predictor of Hypotension After The Induction of General Anesthesia in Geriatric Patients Undergoing Laparoscopic Colorectal Surgeries: A Prospective Observational Study","Inclusion Criteria:\n\n* Patients aged ≥ 60 years.\n* Scheduled for elective laparoscopic colorectal surgeries under general anesthesia.\n\nExclusion Criteria:\n\n* Patients' refusal of procedure or participation in the study.\n* Severe aortic stenosis, irregular ventricular rhythm (atrial fibrillation or frequent premature ventricular contractions), or any contraindication to perform passive leg raise (PLR).","ALL","60 Years",{"count":46,"type":47},70,"ESTIMATED","OBSERVATIONAL","The internal jugular vein (IJV) collapsibility index has been proposed as a practical alternative of of the inferior vena cava collapsibility index (IVC-CI), as it is easily accessible using bedside ultrasonography. Several studies have demonstrated a correlation between IJV collapsibility and central venous pressure as well as right atrial pressure.",[51],"Intraoperative Hypotension","2026-07-17",{"date":54,"type":55},"2026-07-20","ACTUAL",{"date":57,"type":55},"2026-07-11",{"date":59,"type":47},"2027-02-11",{"name":5,"class":6},1]