[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100608109":3},{"organization":4,"armGroups":7,"interventions":10,"overallOfficials":10,"centralContacts":10,"locations":10,"responsibleParty":12,"collaborators":10,"id":16,"slug":17,"hasResults":18,"nctId":19,"briefTitle":20,"officialTitle":21,"acronym":10,"eligibilityCriteria":22,"healthyVolunteers":18,"sex":23,"minAge":24,"maxAge":25,"enrollmentInfo":26,"targetDuration":10,"studyType":29,"phases":10,"briefSummary":30,"conditions":31,"keywords":34,"overallStatus":36,"whyStopped":10,"lastUpdateSubmitDate":37,"lastUpdatePostDateStruct":38,"startDateStruct":41,"completionDateStruct":43,"leadSponsor":45,"locationsCount":10},{"fullName":5,"class":6},"Assiut University","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":10},"adult patients scheduled for elective superficialization surgery of the upper limb",null,"Participants are adult patients aged 18-65 years, both male and female, classified as ASA II-VI, and scheduled for elective superficialization procedures (mainly AV fistula superficialization).",{"type":13,"investigatorFullName":14,"investigatorTitle":15,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"PRINCIPAL_INVESTIGATOR","Mohamed Abubakr Ali","resident at the Anesthesia, Intensive Care, and Pain Management department","100608109","perfusion-index-and-end-diastolic-velocity-ratios-as-predictors-of-supraclavicular-block-success-in-vascular-access-surgery-100608109",false,"NCT07197281","Perfusion Index and End Diastolic Velocity Ratios as Predictors of Supraclavicular Block Success in Vascular Access Surgery","Correlation Between Perfusion Index Ratio and End Diastolic Velocity Ratio After Supraclavicular Brachial Plexus Block as an Early Predictor of Successful Block in Superficialization Surgery of the Upper Limb","Inclusion Criteria:\n\n* Adults aged 18-65 years\n\nBoth genders\n\nASA II-VI classification\n\nUndergoing elective upper limb superficialization surgery (e.g., AVF superficialization)\n\nProvided written informed consent\n\nExclusion Criteria:\n\n* Patient refusal\n\nCoagulopathy or bleeding disorders\n\nLocal infection at injection site\n\nAllergy to local anesthetics\n\nUse of vasopressors or beta-blockers\n\nSevere peripheral vascular disease\n\nMorbid obesity (BMI \\> 35)\n\nSevere neurological or psychiatric disorders","ALL","18 Years","65 Years",{"count":27,"type":28},50,"ESTIMATED","OBSERVATIONAL","This is a prospective observational study investigating the correlation between Perfusion Index (PI) ratio and End Diastolic Velocity (EDV) ratio as early predictors of successful supraclavicular brachial plexus block (SCBPB) in patients undergoing superficialization surgery of the upper limb.",[32,33],"End Diastolic Velocity","Perfusion Index",[32,35,33],"brachial plexus block","NOT_YET_RECRUITING","2025-09-20",{"date":39,"type":40},"2025-09-29","ACTUAL",{"date":42,"type":28},"2026-05-01",{"date":44,"type":28},"2027-12-30",{"name":5,"class":6}]