[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100596692":3},{"organization":4,"armGroups":7,"interventions":18,"overallOfficials":23,"centralContacts":28,"locations":33,"responsibleParty":49,"collaborators":10,"id":51,"slug":10,"hasResults":52,"nctId":53,"briefTitle":54,"officialTitle":54,"acronym":10,"eligibilityCriteria":55,"healthyVolunteers":52,"sex":56,"minAge":57,"maxAge":58,"enrollmentInfo":59,"targetDuration":62,"studyType":63,"phases":10,"briefSummary":64,"conditions":65,"keywords":10,"overallStatus":67,"whyStopped":10,"lastUpdateSubmitDate":68,"lastUpdatePostDateStruct":69,"startDateStruct":72,"completionDateStruct":74,"leadSponsor":76,"locationsCount":77},{"fullName":5,"class":6},"The Second Affiliated Hospital of Chongqing Medical University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Retrospective Cohort",null,"This cohort includes 1000 patients whose data were collected retrospectively from existing medical records. No additional follow-up is planned.",[13],"Other: Observational assessment of clinical outcomes",{"label":15,"type":10,"description":16,"interventionNames":17},"Prospective Cohort","This cohort includes 135 patients enrolled prospectively and followed for 2 days to collect outcomes and relevant clinical data.",[13],[19],{"type":6,"name":20,"description":21,"armGroupLabels":22,"otherNames":10},"Observational assessment of clinical outcomes","This is a non-interventional observational study. No treatment or behavioral intervention is administered.",[15,9],[24],{"name":25,"affiliation":26,"role":27},"Guangyou Duan, PhD","The Second Affiliated Hospital, Chongqing Medical University","PRINCIPAL_INVESTIGATOR",[29],{"name":25,"role":30,"phone":31,"phoneExt":10,"email":32},"CONTACT","(+86)18323376014","duangy@hospital.cqmu.edu.cn",[34],{"facility":35,"status":10,"city":36,"state":37,"zip":38,"country":39,"countryCode":40,"cosmosGeoPoint":41,"geoPoint":46,"contacts":47},"Department of Anesthesiology, The Second Affiliated Hospital, Chongqing Medical University","Chongqing","Chongqing Municipality","400010","China","CN",{"type":42,"coordinates":43},"Point",[44,45],106.55771,29.56026,{"lat":45,"lon":44},[48],{"name":25,"role":30,"phone":31,"phoneExt":10,"email":32},{"type":50,"investigatorFullName":10,"investigatorTitle":10,"investigatorAffiliation":10,"oldNameTitle":10,"oldOrganization":10},"SPONSOR","100596692",false,"NCT07048782","Development and Validation of a Risk Prediction Model for Postoperative Visceral Pain in Abdominal Surgery Patients","Inclusion Criteria:\n\n* Patients undergoing elective abdominal surgery under general anesthesia (including gynecological procedures and general surgery such as gastrointestinal, hepatobiliary, etc.);\n* Aged between 18 and 70 years;\n* Classified as American Society of Anesthesiologists (ASA) physical status II-III;\n* Expected surgery duration ≥ 2 hours.\n\nExclusion Criteria:\n\n* History of previous abdominal surgery;\n* Diagnosed with chronic pain;\n* Long-term use of analgesics or other psychotropic medications;\n* Preoperative emergency condition;\n* Presence of severe comorbidities involving major organ systems;\n* Failure to complete postoperative pain follow-up.","ALL","18 Years","70 Years",{"count":60,"type":61},1135,"ESTIMATED","2 Days","OBSERVATIONAL","This study aims to investigate the factors influencing the risk of postoperative visceral pain in patients undergoing abdominal surgery. The goal is to develop and validate a predictive model for assessing the risk of postoperative visceral pain, in order to guide individualized preoperative interventions and pain management strategies.",[66],"Postoperative Visceral Pain","NOT_YET_RECRUITING","2025-06-24",{"date":70,"type":71},"2025-07-02","ACTUAL",{"date":73,"type":61},"2025-07-01",{"date":75,"type":61},"2026-01-30",{"name":5,"class":6},1]