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Predictive value of Carotid Artery Corrected Flow Time and Inferior vena cava Collapsibility Index for Hypotension After Induction of General Anesthesia in Adult Patients Undergoing Elective Gastrointestinal Surgery

Predictive value of Carotid Artery Corrected Flow Time and Inferior vena cava Collapsibility Index for Hypotension After Induction of General Anesthesia in Adult Patients Undergoing Elective Gastrointestinal Surgery

Status
Active, not recruiting
Phases
Phase 1
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2300075289
Enrollment
Unknown
Registered
2023-08-31
Start date
2023-09-01
Completion date
Unknown
Last updated
2023-09-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Gastrointestinal disease

Interventions

Gold Standard:The standard for low blood pressure is a decrease in systolic blood pressure by 30% compared to baseline pressure, a decrease in mean arterial pressure (MAP) by 20% compared to baseline,
Index test:Carotid Artery Corrected Flow Time,FTc
inferior vena cava collapsibility,index,IVC-CI

Sponsors

Fuyang Hospital Of Anhui Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 70 Years

Inclusion criteria

Inclusion criteria: Scheduled for elective general anesthesia for gastrointestinal surgery; age 18-70 years; ASA physical status I-III.

Exclusion criteria

Exclusion criteria: History of carotid artery stenosis or neck surgery; BMI=30kg/m2; Pregnancy; Arrhythmia; Heart valve disease or significant heart dysfunction; Chronic obstructive pulmonary ventilation dysfunction; Pulmonary hypertension; Abdominal compartment syndrome; Pacemaker, aortic balloon pump; Non-cooperative patient.

Design outcomes

Primary

MeasureTime frame
Carotid Corrected Flow Time;Inferior vena cava diameter at end-inspiration;Inferior vena cava diameter at end-expiration;Accuracy ;;Specificity ;—

Secondary

MeasureTime frame
Cervical artery peak flow velocity variability;—

Countries

China

Contacts

Public ContactYong Zhan

Fuyang Hospital Of Anhui Medical University

1342835193@qq.com+86 183 7532 0387

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026