[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100588093":3},{"organization":4,"armGroups":7,"interventions":18,"overallOfficials":25,"centralContacts":29,"locations":34,"responsibleParty":52,"collaborators":24,"id":55,"slug":56,"hasResults":57,"nctId":58,"briefTitle":59,"officialTitle":60,"acronym":24,"eligibilityCriteria":61,"healthyVolunteers":57,"sex":62,"minAge":63,"maxAge":64,"enrollmentInfo":65,"targetDuration":24,"studyType":68,"phases":69,"briefSummary":71,"conditions":72,"keywords":24,"overallStatus":37,"whyStopped":24,"lastUpdateSubmitDate":74,"lastUpdatePostDateStruct":75,"startDateStruct":78,"completionDateStruct":80,"leadSponsor":82,"locationsCount":83},{"fullName":5,"class":6},"Nanjing First Hospital, Nanjing Medical University","OTHER",[8,13],{"label":9,"type":6,"description":10,"interventionNames":11},"Group C","A total of 30 ml of the local anesthetic solution (0.375% ropivacaine, comprising 15 ml ropivacaine and 15 ml iodinated contrast) is injected. In the Group C, the injection is administered within 180 seconds.",[12],"Procedure: injection speed",{"label":14,"type":15,"description":16,"interventionNames":17},"Group S","EXPERIMENTAL","A total of 30 ml of the local anesthetic solution (0.375% ropivacaine, comprising 15 ml ropivacaine and 15 ml iodinated contrast) is injected. In the Group S, the injection is administered within 30 seconds.",[12],[19],{"type":20,"name":21,"description":22,"armGroupLabels":23,"otherNames":24},"PROCEDURE","injection speed","Patients undergoing CT-guided lung nodule localization were selected for the study, and ultrasound-guided erector spinae plane block was performed before surgery with different injection speed.",[9,14],null,[26],{"name":27,"affiliation":5,"role":28},"Tao Shan","STUDY_CHAIR",[30],{"name":27,"role":31,"phone":32,"phoneExt":24,"email":33},"CONTACT","+8618852095135","shantao2021@163.com",[35],{"facility":36,"status":37,"city":38,"state":39,"zip":24,"country":40,"countryCode":41,"cosmosGeoPoint":42,"geoPoint":47,"contacts":48},"Nanjing First Hospital","RECRUITING","Nanjing","Jiangsu","China","CN",{"type":43,"coordinates":44},"Point",[45,46],118.77778,32.06167,{"lat":46,"lon":45},[49],{"name":50,"role":31,"phone":51,"phoneExt":24,"email":24},"YING ZHANG","025-52271064",{"type":53,"investigatorFullName":27,"investigatorTitle":54,"investigatorAffiliation":5,"oldNameTitle":24,"oldOrganization":24},"PRINCIPAL_INVESTIGATOR","Attending physician","100588093","different-injection-speed-on-local-anaesthetic-spread-of-espb-100588093",false,"NCT06936904","Different Injection Speed on Local Anaesthetic Spread of ESPB","Impact of Different Injection Rate on Local Anaesthetic Spread of Ultrasound-guided Erector Spinae Plane Block","Inclusion Criteria:\n\nPatients scheduled for CT-guided lung nodule localization under local anesthesia will be selected\n\n1. aged 18-80 years\n2. BMI 18-30 kg\u002Fm²\n3. ASA classification I-III\n\nExclusion Criteria:\n\n1. Allergy to the study drug or to local anesthetics\n2. History of opioid abuse\n3. Previous infection at the ESPB or PVB puncture site\n4. Peripheral neuropathy\n5. Dysfunction of blood coagulation","ALL","18 Years","80 Years",{"count":66,"type":67},74,"ESTIMATED","INTERVENTIONAL",[70],"NA","The aim of this clinical trial is to investigate the effect of different injection speeds on the spread of local anesthetic during ultrasound-guided erector spinae plane block (ESPB) in patients undergoing CT-guided lung nodule localization. The primary question addressed is whether a high injection speed (30 ml delivered within 30 seconds) produces a different local anesthetic distribution compared with a lower injection speed (30 ml delivered within 180 seconds).",[73],"Erector Spinae Plane Block","2025-05-19",{"date":76,"type":77},"2025-05-22","ACTUAL",{"date":79,"type":77},"2025-04-21",{"date":81,"type":67},"2027-03-01",{"name":5,"class":6},1]