[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"leadSponsorName\":\"Engin Çetin\",\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:":89},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,3,0,[8,45,66],{"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":24,"briefSummary":26,"conditions":27,"keywords":30,"overallStatus":32,"whyStopped":4,"lastUpdateSubmitDate":33,"lastUpdatePostDateStruct":34,"startDateStruct":37,"completionDateStruct":39,"leadSponsor":41,"locationsCount":44},"100644956","spsip-block-versus-esp-block-for-chronic-pain-after-unilateral-breast-surgery-100644956",false,"NCT07674836","SPSIP Block Versus ESP Block for Chronic Pain After Unilateral Breast Surgery","Comparison of Serratus Posterior Superior Intercostal Plane Block and Erector Spinae Plane Block for the Prevention of Chronic Postoperative Pain After Unilateral Breast Surgery: A Prospective, Randomized, Assessor-Blinded Trial","SPES-CPSP","Inclusion Criteria:\n\n* Female patients aged 18-65 years\n* ASA physical status I-III\n* Body mass index (BMI) between 18 and 35 kg\u002Fm²\n* Scheduled for elective unilateral breast surgery (mastectomy with or without sentinel lymph node biopsy)\n* Ability to understand and provide written informed consent\n\nExclusion Criteria:\n\n* Infection at the site of block application\n* Known allergy to local anesthetics\n* Coagulopathy or anticoagulant therapy\n* Chronic opioid use\n* Pregnancy\n* Inability to communicate or cooperate\n* Refusal to participate\n* Failed block\n* Requirement of additional intraoperative analgesia outside the study protocol\n* Development of serious intraoperative complications","FEMALE","18 Years","65 Years",{"count":21,"type":22},90,"ESTIMATED","INTERVENTIONAL",[25],"NA","This prospective, randomized, assessor-blinded study will compare serratus posterior superior intercostal plane block and erector spinae plane block in adult female patients undergoing unilateral breast surgery. The primary outcome is chronic postoperative pain at 3 months, assessed using the Brief Pain Inventory-Short Form.",[28,29],"Postoperative Pain","Opioid Use",[31,29],"Post Operative Pain","NOT_YET_RECRUITING","2026-06-25",{"date":35,"type":36},"2026-06-30","ACTUAL",{"date":38,"type":22},"2026-07-01",{"date":40,"type":22},"2026-12-01",{"name":42,"class":43},"Engin Çetin","OTHER_GOV",1,{"id":46,"slug":47,"hasResults":11,"nctId":48,"briefTitle":49,"officialTitle":50,"acronym":4,"eligibilityCriteria":16,"healthyVolunteers":11,"sex":17,"minAge":18,"maxAge":19,"enrollmentInfo":51,"targetDuration":4,"studyType":23,"phases":53,"briefSummary":54,"conditions":55,"keywords":56,"overallStatus":57,"whyStopped":4,"lastUpdateSubmitDate":58,"lastUpdatePostDateStruct":59,"startDateStruct":61,"completionDateStruct":63,"leadSponsor":65,"locationsCount":44},"100634542","serratus-vs-esp-block-for-postoperative-pain-in-unilateral-breast-surgery-100634542","NCT07541040","Serratus vs ESP Block for Postoperative Pain in Unilateral Breast Surgery","Comparison of Serratus Posterior Superior Intercostal Plane Block and Erector Spinae Plane Block for Postoperative Analgesia in Unilateral Breast Surgery: A Prospective, Randomized, Assessor-Blinded Trial",{"count":52,"type":22},54,[25],"This prospective, randomized, assessor-blinded trial compares serratus posterior superior intercostal plane block (SPSIPB) and erector spinae plane block (ESPB) for postoperative analgesia in unilateral breast surgery. 54 patients will be randomized to receive either SPSIPB or ESPB before general anesthesia.\n\nThe primary outcome is postoperative pain scores within the first 24 hours. The secondary outcome is opioid consumption.",[31,29],[31,29],"RECRUITING","2026-06-22",{"date":60,"type":36},"2026-06-23",{"date":62,"type":36},"2026-05-01",{"date":64,"type":22},"2026-08-01",{"name":42,"class":43},{"id":67,"slug":68,"hasResults":11,"nctId":69,"briefTitle":70,"officialTitle":71,"acronym":4,"eligibilityCriteria":72,"healthyVolunteers":11,"sex":73,"minAge":18,"maxAge":19,"enrollmentInfo":74,"targetDuration":4,"studyType":23,"phases":76,"briefSummary":77,"conditions":78,"keywords":82,"overallStatus":57,"whyStopped":4,"lastUpdateSubmitDate":58,"lastUpdatePostDateStruct":83,"startDateStruct":84,"completionDateStruct":86,"leadSponsor":88,"locationsCount":44},"100637976","pneumoperitoneum-pressure-and-lung-ultrasound-atelectasis-100637976","NCT07609615","Pneumoperitoneum Pressure and Lung Ultrasound Atelectasis","Effects of Different Pneumoperitoneum Pressures on Perioperative Atelectasis Assessed by Lung Ultrasound in Laparoscopic Cholecystectomy: A Prospective Randomized Single-Blind Controlled Trial","Inclusion Criteria:\n\n* Patients aged between 18 and 65 years\n* ASA physical status I-II\n* Scheduled for elective laparoscopic cholecystectomy under general anesthesia\n* Body mass index (BMI) \\\u003C30 kg\u002Fm²\n* Ability to provide written informed consent\n\nExclusion Criteria:\n\n* Chronic pulmonary disease\n* Recent respiratory tract infection\n* Thoracic deformity or previous thoracic surgery\n* Preoperative pulmonary pathology\n* Morbid obesity\n* Pregnancy\n* Emergency surgery\n* Conversion to open surgery\n* Requirement for protocol-violating pneumoperitoneum pressure modification\n* Refusal to participate in the study","ALL",{"count":75,"type":22},112,[25],"Elective laparoscopic cholecystectomy may lead to perioperative atelectasis due to pneumoperitoneum-related diaphragmatic elevation and impaired respiratory mechanics. Lung ultrasound (LUS) provides a noninvasive bedside method for evaluating perioperative aeration loss. This prospective randomized controlled study aims to compare the effects of low-pressure (10 mmHg) and standard-pressure (14 mmHg) pneumoperitoneum on perioperative atelectasis assessed by LUS in patients undergoing laparoscopic cholecystectomy under general anesthesia. Changes in LUS scores, respiratory mechanics, oxygenation, and postoperative clinical outcomes will also be evaluated.",[79,80,81],"Atelectasis","Perioperative Complication","Pneumoperitoneum",[79,81,80],{"date":60,"type":36},{"date":85,"type":36},"2026-06-01",{"date":87,"type":22},"2026-09-01",{"name":42,"class":43},""]