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{'hasResults': False, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}}, 'protocolSection': {'designModule': {'studyType': 'OBSERVATIONAL', 'designInfo': {'timePerspective': 'PROSPECTIVE', 'observationalModel': 'CASE_CROSSOVER'}, 'enrollmentInfo': {'type': 'ACTUAL', 'count': 30}, 'patientRegistry': False}, 'statusModule': {'overallStatus': 'COMPLETED', 'startDateStruct': {'date': '2014-01'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2014-03', 'lastUpdateSubmitDate': '2014-03-21', 'studyFirstSubmitDate': '2014-03-14', 'studyFirstSubmitQcDate': '2014-03-20', 'lastUpdatePostDateStruct': {'date': '2014-03-26', 'type': 'ESTIMATED'}, 'studyFirstPostDateStruct': {'date': '2014-03-24', 'type': 'ESTIMATED'}, 'primaryCompletionDateStruct': {'date': '2014-03', 'type': 'ACTUAL'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'the change of the diameter of right internal jugular vein after modified valsalva maneuver', 'timeFrame': 'up to 4 weeks'}]}, 'conditionsModule': {'keywords': ['modified valsalva maneuver, internal jugular vein'], 'conditions': ['the Filling of Jugular Vein Before Anesthesia With and Without Valsalva Maneuver']}, 'descriptionModule': {'briefSummary': 'To explore the effect of modified valsalva maneuver on the filling degree of right internal jugular vein.\n\nMethod: The anteroposterior diameter and left-right diameter of right internal jugular vein in thirty adult gynecology patients were recorded during normal respiration and modified valsalva maneuver respectively.\n\nInvestigators hypothesis that modified valsalva maneuver would enchance the filling degree of right internal jugular vein.'}, 'eligibilityModule': {'sex': 'FEMALE', 'stdAges': ['ADULT'], 'maximumAge': '60 Years', 'minimumAge': '18 Years', 'samplingMethod': 'PROBABILITY_SAMPLE', 'studyPopulation': 'female genecology patients, age 18-60 years old; weight 45-70 kg; body mass index (BMI)\\>20 kg/m2 and \\<30 kg/m2; American Society of Anesthesiologists (ASA) grade I-II.\n\nThe exclusion criteria were as follows: a history of chronic throat disease; upper respiratory tract infection within two weeks before surgery; and history of mental illness or communication barriers.', 'healthyVolunteers': False, 'eligibilityCriteria': 'Inclusion Criteria:\n\n\\- female patients age 18-60 years\n\nExclusion Criteria:\n\n* heart or lung disease mental illness communication barriers.'}, 'identificationModule': {'nctId': 'NCT02095002', 'briefTitle': 'The Effect of Modified Valsalva Maneuver on Filling Degree of Internal Jugular Vein', 'organization': {'class': 'OTHER', 'fullName': 'Fudan University'}, 'officialTitle': 'The Effect of Modified Valsalva Maneuver on Filling Degree of Internal Jugular Vein', 'orgStudyIdInfo': {'id': '2014315V'}}, 'contactsLocationsModule': {'locations': [{'zip': '200090', 'city': 'Shanghai', 'state': 'Shanghai Municipality', 'country': 'China', 'facility': 'Obstetrics & Gynecology Hospital, Fudan University', 'geoPoint': {'lat': 31.22222, 'lon': 121.45806}}]}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'Fudan University', 'class': 'OTHER'}, 'responsibleParty': {'type': 'PRINCIPAL_INVESTIGATOR', 'investigatorTitle': 'PhD', 'investigatorFullName': 'Geng guiqi', 'investigatorAffiliation': 'Fudan University'}}}}