[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100639466":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":23,"centralContacts":26,"locations":36,"responsibleParty":54,"collaborators":23,"id":58,"slug":59,"hasResults":60,"nctId":61,"briefTitle":62,"officialTitle":63,"acronym":23,"eligibilityCriteria":64,"healthyVolunteers":60,"sex":65,"minAge":66,"maxAge":67,"enrollmentInfo":68,"targetDuration":23,"studyType":71,"phases":72,"briefSummary":74,"conditions":75,"keywords":23,"overallStatus":39,"whyStopped":23,"lastUpdateSubmitDate":79,"lastUpdatePostDateStruct":80,"startDateStruct":83,"completionDateStruct":84,"leadSponsor":86,"locationsCount":87},{"fullName":5,"class":6},"Atatürk Chest Diseases and Chest Surgery Training and Research Hospital","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Preoperative Maxillary Block","ACTIVE_COMPARATOR","After the intubation, the block procedure will be performed under ultrasound guidance using an infrazygomatic approach to access the pterygopalatine fossa. Prior to the procedure, the cheek region will be prepared in accordance with aseptic conditions. A linear ultrasound probe will be positioned over the infrazygomatic area to visualize the maxillary tuberosity, lateral pterygoid plate, coronoid process, and mandibular condyle. The following image optimization using the jaw-opening maneuver, the maxillary artery will be identified as an anatomical landmark, and a 50-mm block needle will be advanced into the pterygopalatine fossa using an in-plane technique. After confirmation of negative aspiration, a total of 4 mL of local anesthetic solution consisting of 2 mL of 0.5% bupivacaine and 2 mL of 2% lidocaine (Aritmal) will be injected on each side. The same procedure will subsequently be repeated contralaterally.",[13],"Drug: Preoperative Maxillary Block",{"label":15,"type":10,"description":16,"interventionNames":17},"Postoperative Maxillary Block","At the end of the surgery, before the extubation, the block procedure will be performed under ultrasound guidance using an infrazygomatic approach to access the pterygopalatine fossa. Prior to the procedure, the cheek region will be prepared in accordance with aseptic conditions. A linear ultrasound probe will be positioned over the infrazygomatic area to visualize the maxillary tuberosity, lateral pterygoid plate, coronoid process, and mandibular condyle. The following image optimization using the jaw-opening maneuver, the maxillary artery will be identified as an anatomical landmark, and a 50-mm block needle will be advanced into the pterygopalatine fossa using an in-plane technique. After confirmation of negative aspiration, a total of 4 mL of local anesthetic solution consisting of 2 mL of 0.5% bupivacaine and 2 mL of 2% lidocaine (Aritmal) will be injected on each side. The same procedure will subsequently be repeated contralaterally.",[18],"Drug: Postoperative Maxillary Block",[20,24],{"type":21,"name":9,"description":11,"armGroupLabels":22,"otherNames":23},"DRUG",[9],null,{"type":21,"name":15,"description":16,"armGroupLabels":25,"otherNames":23},[15],[27,32],{"name":28,"role":29,"phone":30,"phoneExt":23,"email":31},"Musa Zengin, Associate Professor","CONTACT","05307716235","musazengin@gmail.com",{"name":33,"role":29,"phone":34,"phoneExt":23,"email":35},"Mücahit Yılmaz, Medical Doctor","00905366840479","dr.mucahitosman@gmail.com",[37],{"facility":38,"status":39,"city":40,"state":41,"zip":42,"country":43,"countryCode":23,"cosmosGeoPoint":44,"geoPoint":49,"contacts":50},"Ankara Etlik City Hospital","RECRUITING","Yenimahalle","Ankara","06170","Turkey (Türkiye)",{"type":45,"coordinates":46},"Point",[47,48],32.80147,39.97787,{"lat":48,"lon":47},[51,53],{"name":28,"role":29,"phone":52,"phoneExt":23,"email":31},"00905307716235",{"name":33,"role":29,"phone":34,"phoneExt":23,"email":35},{"type":55,"investigatorFullName":56,"investigatorTitle":57,"investigatorAffiliation":38,"oldNameTitle":23,"oldOrganization":23},"PRINCIPAL_INVESTIGATOR","Musa Zengin","Principal İnvestigator","100639466","effect-of-bilateral-maxillary-block-on-intraoperative-remifentanil-consumption-100639466",false,"NCT07608861","Effect of Bilateral Maxillary Block on Intraoperative Remifentanil Consumption","Effect of Bilateral Maxillary Block on Intraoperative Remifentanil Consumption in Septorhinoplasty Surgery","Inclusion Criteria:\n\n* 18 to 65 years old\n* American Society of Anesthesiologists (ASA) physical status I-II\n* Body mass index 18 to 30 kg\u002Fm2\n* Septorhinoplasty surgery\n\nExclusion Criteria:\n\n* Patient refusing the procedure\n* Patients who have previously undergone nasal surgery\n* Chronic opioid or analgesic use\n* Patients with allergies to local anesthetics\n* Patients with Hypertension\n* Patients receiving antihypertensive treatment.","ALL","18 Years","65 Years",{"count":69,"type":70},80,"ESTIMATED","INTERVENTIONAL",[73],"NA","The maxillary nerve block is a regional anesthetic technique targeting the sensory distribution of the maxillary nerve and is particularly preferred to provide analgesia in midfacial and maxillary surgical procedures. It has been used to optimize perioperative and postoperative pain control, reduce intraoperative opioid requirements, and support hemodynamic stability in procedures including septorhinoplasty, nasal bone osteotomies, nasal valve surgery, and endoscopic sinus surgery. This study aimed to compare the effects of the timing of bilateral maxillary nerve block administration (post-intubation vs. pre-extubation) on intraoperative remifentanil consumption and postoperative analgesia in patients undergoing septorhinoplasty.",[76,77,78],"Septorhinoplasty","Remifentanil Consumption","Maxillary Block","2026-06-01",{"date":81,"type":82},"2026-06-02","ACTUAL",{"date":79,"type":82},{"date":85,"type":70},"2026-12-20",{"name":5,"class":6},1]