[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100501068":3},{"organization":4,"outcomesModule":7,"designInfo":25,"detailedDescription":28,"studyPopulation":29,"armGroups":30,"interventions":24,"overallOfficials":24,"centralContacts":37,"locations":43,"responsibleParty":79,"collaborators":82,"id":84,"slug":85,"hasResults":86,"nctId":87,"briefTitle":88,"officialTitle":89,"acronym":24,"eligibilityCriteria":90,"healthyVolunteers":86,"sex":91,"minAge":92,"maxAge":24,"enrollmentInfo":93,"targetDuration":24,"studyType":96,"phases":24,"briefSummary":97,"conditions":98,"keywords":100,"overallStatus":46,"whyStopped":24,"lastUpdateSubmitDate":102,"lastUpdatePostDateStruct":103,"startDateStruct":106,"completionDateStruct":108,"leadSponsor":110,"locationsCount":111},{"fullName":5,"class":6},"B.P. Koirala Institute of Health Sciences","OTHER",{"primaryOutcomes":8,"secondaryOutcomes":13,"otherOutcomes":24},[9],{"measure":10,"description":11,"timeFrame":12},"Number of patients with postdural puncture headache","The diagnosis of post-dural puncture headache will be based on the international headache society ICDH-3 criteria: a headache that occurs within 5 days of a dural puncture, is located in the occipital and\u002For frontal areas, worsens within 15 min of sitting or standing and alleviates within 15 min after lying down, associated with at least one of the following features: neck stiffness, nausea, vomiting, photophobia, and tinnitus, and resolves either spontaneously within 1 week or within 48 h after effective treatment.","up to 7 days after spinal anesthesia",[14,17,20],{"measure":15,"description":16,"timeFrame":12},"Number of patients with severity of postdural puncture headache","using a numeric rating scale (NRS), with 0= NO pain 10=worst imaginable pain, and classified as none (NRS=0), mild (1-3), moderate (4-6), and severe (7-10)",{"measure":18,"description":19,"timeFrame":12},"Number of patients with non-postdural puncture headache","Headache that is not related to posture",{"measure":21,"description":22,"timeFrame":23},"Number of patients who received treatment for postdural puncture headache","paracetamol, NSAID's, caffeine, opioids, glossopharyngeal nerve block, sphenopalatine ganglion block and epidural blood patch","up to 1 month after occurrence of PDPH",null,{"allocation":24,"interventionModel":24,"interventionModelDescription":24,"primaryPurpose":24,"observationalModel":26,"timePerspective":27,"maskingInfo":24},"COHORT","PROSPECTIVE","This will be a prospective cohort study conducted in two different altitudes in Nepal. The high-altitude site is in Jumla, approximately 2514 m above the sea level, and a low altitude city is Dharan, located at 350 m from sea level.\n\nThe investigators will screen the eligible participant admitted to the in-patient obstetric unit. The investigator will also record patient baseline characteristics, preoperative anxiety, antenatal depression, presence of chronic pain conditions or preexisting headache. Spinal anaesthesia will be administered in the sitting position at the L3-L4 or L4-L5 interspace using a 25-G pencil point spinal needle (Pencan® 25-gauge).\n\nThe diagnosis of post-dural puncture headache will be based on the international headache society ICDH-3 criteria","Parturients planned for elective and non-elective (category 2 \\& 3) caesarean section under spinal anaesthesia.",[31,34],{"label":32,"type":24,"description":33,"interventionNames":24},"High-altitude group","Parturient who are native to their resident altitude, i.e. residing at the altitude above 2500 m from sea level will receive spinal anesthesia for caesarean section.",{"label":35,"type":24,"description":36,"interventionNames":24},"Low-altitude group","Parturient who are native to their resident altitude, i.e. residing at the altitude below 500 m from sea level will receive spinal anesthesia for caesarean section.",[38],{"name":39,"role":40,"phone":41,"phoneExt":24,"email":42},"Asish Subedi, MD","CONTACT","9842040604","ashish.subedi@bpkihs.edu",[44,63],{"facility":45,"status":46,"city":47,"state":48,"zip":49,"country":50,"countryCode":51,"cosmosGeoPoint":52,"geoPoint":57,"contacts":58},"Karnali Academy of Health Sciences","RECRUITING","Jumla","Karnali","2069","Nepal","NP",{"type":53,"coordinates":54},"Point",[55,56],82.18383,29.27472,{"lat":56,"lon":55},[59],{"name":60,"role":40,"phone":61,"phoneExt":24,"email":62},"Robin Khapung, MD","9849481562","robinkhapung@hotmaail.com",{"facility":64,"status":46,"city":65,"state":66,"zip":67,"country":50,"countryCode":51,"cosmosGeoPoint":68,"geoPoint":72,"contacts":73},"BP Koirala Institute of Health Sciences (BPKIHS)","Dharān","Koshi","56700",{"type":53,"coordinates":69},[70,71],87.27972,26.81436,{"lat":71,"lon":70},[74,77],{"name":39,"role":40,"phone":75,"phoneExt":76,"email":42},"977-25-525555","2013",{"name":39,"role":78,"phone":24,"phoneExt":24,"email":24},"PRINCIPAL_INVESTIGATOR",{"type":78,"investigatorFullName":80,"investigatorTitle":81,"investigatorAffiliation":5,"oldNameTitle":24,"oldOrganization":24},"Dr Asish Subedi","Principal Investigator",[83],{"name":45,"class":6},"100501068","effect-of-altitude-on-postdural-puncture-headache-after-caesarean-delivery-100501068",false,"NCT05804448","Effect of Altitude on Postdural Puncture Headache After Caesarean Delivery","Effect of Altitude on Postdural Puncture Headache After Caesarean Delivery: a Prospective, Multicentre Cohort Study","Inclusion Criteria:\n\n* Parturient, aged more than or equal to 18 years\n* American society of Anesthesiologist 2 and 3\n* Scheduled for elective and non-elective (category 2 \\& 3) caesarean delivery with spinal anesthesia\n* Native to their resident altitude i.e., those born, raised, and have continuously lived at the same altitude, at least for the past 1 year.\n\nExclusion Criteria:\n\n* Hypertensive disorder\n* Cerebrovascular disease\n* Mental disorder (schizophrenia and other psychotic disorders)\n* Known fetal anomalies\n* Contraindication to spinal anaesthesia.\n* Those requiring general anaesthesia for delivery due to failed spinal anesthesia\n* Major post-delivery complications (severe haemorrhage, sepsis, or ICU admission)\n* Those who migrate from their resident altitude (either low to high or vice versa) within 7 days post-delivery will also be excluded.","FEMALE","18 Years",{"count":94,"type":95},292,"ESTIMATED","OBSERVATIONAL","The aim of this study is to examine the effects of altitude (high altitude versus low altitude) on incidence and severity of postural puncture headache (PDPH) following spinal anaesthesia for caesarean delivery. The investigators hypothesized that the risk of PDPH would be higher in highlander parturients than in lowlander parturients.",[99],"Post-Dural Puncture Headache",[101],"Spinal Anesthesia, Cesarean Section","2026-09-28",{"date":104,"type":105},"2026-10-01","ACTUAL",{"date":107,"type":105},"2023-04-18",{"date":109,"type":95},"2026-12-20",{"name":5,"class":6},2]