[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100626441":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":24,"centralContacts":28,"locations":34,"responsibleParty":51,"collaborators":18,"id":55,"slug":18,"hasResults":56,"nctId":57,"briefTitle":58,"officialTitle":59,"acronym":18,"eligibilityCriteria":60,"healthyVolunteers":61,"sex":62,"minAge":63,"maxAge":64,"enrollmentInfo":65,"targetDuration":18,"studyType":68,"phases":69,"briefSummary":71,"conditions":72,"keywords":79,"overallStatus":37,"whyStopped":18,"lastUpdateSubmitDate":83,"lastUpdatePostDateStruct":84,"startDateStruct":87,"completionDateStruct":89,"leadSponsor":91,"locationsCount":92},{"fullName":5,"class":6},"Fayoum University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"group G (GANB group)","EXPERIMENTAL","Patients in this group will receive a unilateral ultrasound-guided greater auricular nerve block (GANB) on the operative side, with a 0.5-1.5 mg\u002Fkg 0.25% Bupivacaine, immediately after induction of general anesthesia and prior to surgical incision",[13],"Procedure: ultrasound-guided greater auricular nerve block (GANB)",{"label":15,"type":16,"description":17,"interventionNames":18},"group C (control group)","NO_INTERVENTION","Patients in this group will receive no nerve block, to maintain blinding, the ultrasound probe will be applied to the same anatomical region with no needle insertion or injection",null,[20],{"type":21,"name":22,"description":22,"armGroupLabels":23,"otherNames":18},"PROCEDURE","ultrasound-guided greater auricular nerve block (GANB)",[9],[25],{"name":26,"affiliation":5,"role":27},"mohamed ahmed Ismail, professor","STUDY_CHAIR",[29],{"name":30,"role":31,"phone":32,"phoneExt":18,"email":33},"abdalla moustafa abdelhamid, MBBCH","CONTACT","00201066743988","am3486@fayoum.edu.eg",[35],{"facility":36,"status":37,"city":38,"state":39,"zip":40,"country":41,"cosmosGeoPoint":42,"geoPoint":47,"contacts":48},"Fayoum University Hospital","RECRUITING","Al Fayyum","Faiyum Governorate","63511","Egypt",{"type":43,"coordinates":44},"Point",[45,46],30.8418,29.30995,{"lat":46,"lon":45},[49],{"name":50,"role":31,"phone":32,"phoneExt":18,"email":33},"abdalla moustafa abdelhamid, MBCCH",{"type":52,"investigatorFullName":53,"investigatorTitle":54,"investigatorAffiliation":5,"oldNameTitle":18,"oldOrganization":18},"PRINCIPAL_INVESTIGATOR","Abdalla Moustafa Hassan Abdelhamid","doctor","100626441",false,"NCT07435675","Efficacy of Ultrasound-guided Greater Auricular Nerve Block in Preventing Postoperative Emergence Agitation in Pediatric Patients Undergoing Microscopic Middle Ear Surgery.","Efficacy of Ultrasound-guided Greater Auricular Nerve Block in Preventing Postoperative Emergence Agitation in Pediatric Patients Undergoing Microscopic Middle Ear Surgery: A PROSPECTIVE RANDOMIZED DOUBLE- BLINDED CLINICAL TRIAL","Inclusion Criteria:\n\n* Age between 5 and 14 years (preschool to early school age group at highest risk for EA).\n* ASA physical status I or II.\n* Scheduled for elective microscopic middle ear surgery under general anesthesia (e.g., tympanoplasty, myringoplasty).\n* Ability to comply with FLACC and PAED scoring during postoperative period.\n* Informed consent obtained from a parent or legal guardian.\n\nExclusion Criteria:\n\n* Known neurological, developmental, or psychiatric disorders (e.g., autism, ADHD, seizure disorder).\n* Known hypersensitivity to amide local anesthetics (e.g., lidocaine, bupivacaine).\n* Skin infection, hematoma, or trauma at or near the proposed block site.\n* Non-elective (emergency) or combined surgeries.\n* Inability to assess pain or agitation due to hearing loss, or communication impairment.\n* Parental or legal guardian refusal to participate.",true,"ALL","5 Years","14 Years",{"count":66,"type":67},74,"ESTIMATED","INTERVENTIONAL",[70],"NA","This study is designed to evaluate the effectiveness of ultrasound-guided greater auricular nerve block (GAN) on the reduction of emergence agitation (EA) occurrence and EA severity in children who are receiving general anesthesia for a microscopic middle ear operation.",[73,74,75,76,77,78],"Emergence Agitation","Emergence Delirium, Anesthesia","Emergence From Anesthesia","Emergence Delirium","Emergence Delirium in Pediatric Anesthesia","Emergence Agitation, Post Operative Behavioral Changes",[80,81,82],"emergence agitation","emergence delirium","EA","2026-02-23",{"date":85,"type":86},"2026-02-27","ACTUAL",{"date":88,"type":86},"2025-08-01",{"date":90,"type":67},"2026-04-01",{"name":5,"class":6},1]