corrected 
Sponsors
Affiliated Hospital of North Sichuan Medical College, The First Affiliated Hospital of University of Science and Technology of China, Department of Anesthesiology, Affiliated Hospital of North Sichuan Medical College, Shenzhen University General Hospital, The Affiliated Suzhou Hospital of Nanjing Medical University
Conditions
Elderly patientsFluid responsivenessGastric cancer, rectal cancer, colon cancer, etcHypovolemiahypotension after inductionprediction of hypotension
Early Phase 1
Correlation of carotid corrected flow time and respirophasic variation in blood flow peak velocity with stroke volume variation in elderly patients under general anesthesia
RecruitingChiCTR2000031193
Start: 2020-03-25Updated: 2022-01-24
Predictive value of carotid artery corrected blood flow time and peak flow rate respiratory variability in elderly hypertensive patients with hypotension after induction of general anesthesia
Active, not recruitingChiCTR2000035251
Start: 2020-09-02Updated: 2020-08-10
Carotid ultrasound and transthoracic echocardiography measurements for assessing blood volume status in children
RecruitingChiCTR2100042923
Start: 2021-02-01Updated: 2022-10-04
Application of carotid artery ultrasound in intraoperative volume evaluation of elderly patients
RecruitingChiCTR2100047011
Start: 2021-06-01Updated: 2022-01-18
Unknown Phase
Ultrasound measurement of carotid artery corrected blood flow time to assess the value of volume reactivity under spontaneous respiration in patients undergoing preoperative intestinal preparation
RecruitingChiCTR1900025460
Start: 2019-12-20Updated: 2019-08-27
Carotid artery corrected flow time and respiratory variations of peak blood flow velocity for prediction of hypotension after induction of general anesthesia in older adult patients undergoing elective surgery
Active, not recruitingChiCTR2000035190
Start: 2020-09-01Updated: 2020-08-03