[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"medical\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:medical":30},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":15,"eligibilityCriteria":16,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":19,"enrollmentInfo":20,"targetDuration":4,"studyType":23,"phases":4,"briefSummary":24,"conditions":25,"keywords":32,"overallStatus":38,"whyStopped":4,"lastUpdateSubmitDate":39,"lastUpdatePostDateStruct":40,"startDateStruct":43,"completionDateStruct":44,"leadSponsor":46,"locationsCount":5},"100637001","epidural-catheter-placement-techniques-by-anesthesia-residents-success-and-complications-100637001",false,"NCT07573007","Epidural Catheter Placement Techniques by Anesthesia Residents: Success and Complications","Anesthesia Residents' Epidural Catheter Placement Techniques: A Prospective Observational Study on Success Rates and Complications","EPİ-TECH","Inclusion Criteria:\n\n* Age 18-80 years\n* ASA physical status I, II, or III\n* Scheduled for elective surgery requiring perioperative epidural analgesia or anesthesia (lumbar or thoracic approach)\n* Epidural catheter to be placed by a resident with ≥ 2 years of anesthesia training\n\nExclusion Criteria:\n\n* Spinal deformity (scoliosis, kyphosis, or prior spinal surgery at the target level)\n* Coagulopathy or anticoagulant therapy precluding neuraxial blockade\n* Active infection at the insertion site or systemic infection\n* Pre-existing neurological disease affecting the spinal cord or nerve roots\n* Emergency surgery\n* History of prior failed epidural catheterization\n* Patient refusal or inability to provide written informed consent\n* Local anatomical pathology precluding safe epidural access","ALL","18 Years","80 Years",{"count":21,"type":22},440,"ESTIMATED","OBSERVATIONAL","This prospective observational study aims to evaluate the impact of epidural catheter placement techniques - loss of resistance (LOR) and hanging drop (HD) - on first-attempt success rates and procedural complications among anesthesia residents. Residents with at least two years of training will perform epidural catheterization under supervision for patients scheduled for elective surgery requiring perioperative epidural analgesia. An independent observer will record procedural details, complications, and postoperative pain scores. The study will enroll 440 patients aged 18-80 with ASA I-III classification.",[26,27,28,29,30,31],"Epidural Anesthesia","Catheterisation","Education","Postoperative Pain","Medical","Graduate Medical Education",[33,34,35,36,37],"epidural catheter","loss of resistance","hanging drop","procedural training","epidural space identification","NOT_YET_RECRUITING","2026-05-01",{"date":41,"type":42},"2026-05-07","ACTUAL",{"date":39,"type":22},{"date":45,"type":22},"2027-06-01",{"name":47,"class":48},"Marmara University Pendik Training and Research Hospital","OTHER"]