[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100537715":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":28,"centralContacts":33,"locations":42,"responsibleParty":59,"collaborators":24,"id":61,"slug":62,"hasResults":63,"nctId":64,"briefTitle":65,"officialTitle":65,"acronym":24,"eligibilityCriteria":66,"healthyVolunteers":63,"sex":67,"minAge":68,"maxAge":69,"enrollmentInfo":70,"targetDuration":24,"studyType":73,"phases":74,"briefSummary":76,"conditions":77,"keywords":79,"overallStatus":45,"whyStopped":24,"lastUpdateSubmitDate":83,"lastUpdatePostDateStruct":84,"startDateStruct":87,"completionDateStruct":89,"leadSponsor":91,"locationsCount":92},{"fullName":5,"class":6},"The Second Affiliated Hospital of Chongqing Medical University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Echogenic nerve block needle","EXPERIMENTAL","Using a echogenic nerve block needle.",[13],"Procedure: Echogenic nerve block needle",{"label":15,"type":6,"description":16,"interventionNames":17},"Non-echogenic nerve block needle","Using a common nerve block needle.",[18],"Procedure: Non-echogenic nerve block needle",[20,25],{"type":21,"name":9,"description":22,"armGroupLabels":23,"otherNames":24},"PROCEDURE","A 22G 8-cm echogenic nerve block needle (LEAPMED, CHINA) is selected for the procedure, administered under ultrasound guidance. Subsequently, a volume of 20 ml 0.375% ropivacaine is injected at the needle's tip for analgesic effect. The spread of the medication will be assessed through short- and long-axis imaging perspectives. Following this, evaluations are conducted to assess acute postoperative pain as well as chronic postoperative pain. Parameters such as the duration of nerve blockade, the incidence of punctures, and any associated complications are all meticulously appraised.",[9],null,{"type":21,"name":15,"description":26,"armGroupLabels":27,"otherNames":24},"A 22G 8-cm thin wall low bottom nerve block needle (KDL, CHINA) is selected for the procedure, administered under ultrasound guidance. Subsequently, a volume of 20 ml 0.375% ropivacaine is injected at the needle's tip for analgesic effect. The distribution of the medication will be assessed using short- and long-axis imaging perspectives. Following this, evaluations are conducted to assess acute postoperative pain as well as chronic postoperative pain. Parameters such as the duration of nerve blockade, the number of punctures, and any associated complications are all meticulously appraised.",[15],[29],{"name":30,"affiliation":31,"role":32},"He Huang, ph.D","The Second Affiliated Hospital, Chongqing Medical University","STUDY_CHAIR",[34,38],{"name":30,"role":35,"phone":36,"phoneExt":24,"email":37},"CONTACT","13708385559","huanghe@cqmu.edu.cn",{"name":39,"role":35,"phone":40,"phoneExt":24,"email":41},"Da gang Wang, ph.D","023 63693014","kuanrenlunli@qq.com",[43],{"facility":44,"status":45,"city":46,"state":47,"zip":48,"country":49,"countryCode":50,"cosmosGeoPoint":51,"geoPoint":56,"contacts":57},"He Huang","RECRUITING","Chongqing","Chongqing Municipality","4000000","China","CN",{"type":52,"coordinates":53},"Point",[54,55],106.55771,29.56026,{"lat":55,"lon":54},[58],{"name":30,"role":35,"phone":36,"phoneExt":24,"email":37},{"type":60,"investigatorFullName":24,"investigatorTitle":24,"investigatorAffiliation":24,"oldNameTitle":24,"oldOrganization":24},"SPONSOR","100537715","a-comparative-effect-of-echogenic-needle-for-nerve-block-on-acute-and-chronic-postoperative-pain-100537715",false,"NCT06281431","A Comparative Effect of Echogenic Needle for Nerve Block on Acute and Chronic Postoperative Pain","Inclusion Criteria:\n\n1. The age is above 18 years old and below 70 years old.\n2. patients whose surgical sites were in the chest, abdomen, upper limbs or lower limbs, including lobectomy, cholecystectomy, gastrointestinal resection, hysterectomy and other elective operations.\n3. This operation was the first operation during the hospitalization.\n4. Consent to participate in this study and sign an informed consent form.\n\nExclusion Criteria:\n\n1. Patients with a history of alcohol or drug addiction.\n2. Patients with disturbance of consciousness before operation.\n3. Other conditions considered by the attending physician or researcher to be inappropriate for the study;\n4. History of chronic pain.\n5. Abnormal coagulation function.","ALL","18 Years","70 Years",{"count":71,"type":72},1000,"ESTIMATED","INTERVENTIONAL",[75],"NA","Surgical pain is a common complication after surgery, affecting patient recovery and treatment quality. \\>20% of patients suffer from chronic postoperative pain. China has \\>70 million surgeries yearly. Nerve block manages postoperative pain, with developing nerve block needles now used in clinics. Developed needles may have better pain management effects than non-developed ones, but their effect on reducing chronic pain remains unclear. This study aims to explore the effect of developed nerve block needles on postoperative pain and compare them to non-developed needles, providing new ideas and methods for pain management.",[78],"Chronic Postoperative Pain",[80,81,82],"Visualized nerve block needle","Acute pain","Chronic pain","2024-08-13",{"date":85,"type":86},"2024-08-14","ACTUAL",{"date":88,"type":86},"2023-06-12",{"date":90,"type":72},"2025-09-30",{"name":5,"class":6},1]