[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100613158":3},{"organization":4,"armGroups":7,"interventions":20,"overallOfficials":26,"centralContacts":30,"locations":36,"responsibleParty":52,"collaborators":26,"id":56,"slug":57,"hasResults":58,"nctId":59,"briefTitle":60,"officialTitle":61,"acronym":26,"eligibilityCriteria":62,"healthyVolunteers":58,"sex":63,"minAge":64,"maxAge":65,"enrollmentInfo":66,"targetDuration":26,"studyType":69,"phases":70,"briefSummary":72,"conditions":73,"keywords":26,"overallStatus":38,"whyStopped":26,"lastUpdateSubmitDate":75,"lastUpdatePostDateStruct":76,"startDateStruct":79,"completionDateStruct":81,"leadSponsor":83,"locationsCount":84},{"fullName":5,"class":6},"Seoul National University Hospital","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"EOI block group","EXPERIMENTAL","Participants will receive ultrasound-guided external oblique intercostal (EOI) fascial plane block at the end of surgery. Under general anesthesia, a linear ultrasound probe (6-13 MHz) will be placed transversely at the 8th-9th intercostal space along the anterior axillary line. A 22-gauge, 50-80 mm needle will be advanced in-plane into the fascial plane between the external oblique and intercostal muscles, and 0.2% ropivacaine 0.5 mL\u002Fkg (maximum 30 mL) will be injected. Postoperative pain management will include intravenous patient-controlled analgesia (IV-PCA) with fentanyl.",[13],"Procedure: Ultrasound-guided External Oblique Intercostal (EOI) Fascial Plane Block",{"label":15,"type":16,"description":17,"interventionNames":18},"Control group (No block)","ACTIVE_COMPARATOR","Participants will not receive the EOI block. All other perioperative management, including general anesthesia and postoperative intravenous patient-controlled analgesia (IV-PCA) with fentanyl, will be identical to the experimental group.",[19],"Procedure: Standard postoperative pain management (no EOI block)",[21,27],{"type":22,"name":23,"description":24,"armGroupLabels":25,"otherNames":26},"PROCEDURE","Ultrasound-guided External Oblique Intercostal (EOI) Fascial Plane Block","Under general anesthesia, a linear ultrasound probe (6-13 MHz) is placed transversely at the 8th-9th intercostal space along the anterior axillary line. A 22-gauge, 50-80 mm needle is advanced in-plane into the fascial plane between the external oblique and intercostal muscles. After confirming correct needle placement, 0.2% ropivacaine 0.5 mL\u002Fkg (maximum 30 mL) is injected. The procedure is performed at the end of otoplasty with rib cartilage graft to provide postoperative analgesia.",[9],null,{"type":22,"name":28,"description":17,"armGroupLabels":29,"otherNames":26},"Standard postoperative pain management (no EOI block)",[15],[31],{"name":32,"role":33,"phone":34,"phoneExt":26,"email":35},"Jung-Bin Park, MDPhD","CONTACT","820220723664","jb4001@snu.ac.kr",[37],{"facility":5,"status":38,"city":39,"state":26,"zip":26,"country":40,"countryCode":26,"cosmosGeoPoint":41,"geoPoint":46,"contacts":47},"RECRUITING","Seoul","South Korea",{"type":42,"coordinates":43},"Point",[44,45],126.9784,37.566,{"lat":45,"lon":44},[48],{"name":49,"role":33,"phone":50,"phoneExt":26,"email":51},"Young-Eun Jang, MD, PhD","82-2-2072-3650","na0ag2@hotmail.com",{"type":53,"investigatorFullName":54,"investigatorTitle":55,"investigatorAffiliation":5,"oldNameTitle":26,"oldOrganization":26},"PRINCIPAL_INVESTIGATOR","Young-Eun Jang","professor","100613158","eoi-block-in-otoplasty-with-rib-cartilage-graft-100613158",false,"NCT07262944","EOI Block in Otoplasty With Rib Cartilage Graft","Effect of Ultrasound-Guided External Oblique Intercostal Fascial Plane Block in Pediatric Patients Undergoing Otoplasty With Rib Cartilage Graft","Inclusion Criteria:\n\n* \\- Pediatric patients aged 13 to 18 years undergoing otoplasty with rib cartilage graft under general anesthesia at Seoul National University Children's Hospital\n* Written informed consent obtained from parent or legal guardian, and assent from the patient\n\nExclusion Criteria:\n\n* Unstable vital signs before surgery (heart rate \\\u003C50 or \\>150 beats\u002Fmin, systolic blood pressure \\\u003C80 mmHg or \\>160 mmHg)\n* Known hypersensitivity to ropivacaine or other amide-type local anesthetics\n* Massive bleeding or shock\n* Local infection at the injection site\n* Sepsis\n* History of allergy to opioid medications\n* Severe renal dysfunction (creatinine \\>3.0 mg\u002FdL)\n* Severe hepatic dysfunction (AST or ALT \\>120 U\u002FL)\n* Any condition that, in the investigator's opinion, makes the subject unsuitable for study participation","ALL","13 Years","18 Years",{"count":67,"type":68},60,"ESTIMATED","INTERVENTIONAL",[71],"NA","This randomized controlled trial aims to evaluate the effect of ultrasound-guided external oblique intercostal (EOI) fascial plane block on postoperative pain control and recovery in pediatric patients undergoing otoplasty with rib cartilage graft under general anesthesia. Participants aged 13 to 18 years will be randomly assigned to receive either EOI block with 0.2% ropivacaine or no block. Primary outcome is total opioid consumption within 24 hours after surgery. Secondary outcomes include NRS pain scores, incentive spirometry performance, incidence of atelectasis, and patient satisfaction.",[74],"Postoperative Pain, Acute","2025-11-28",{"date":77,"type":78},"2025-12-04","ACTUAL",{"date":80,"type":68},"2026-12-01",{"date":82,"type":68},"2028-08-30",{"name":5,"class":6},1]