The comparasion of inferior vena cava ultrasonography in predicting hypotension after induction in hypertensive patients versus normotensive patients

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2000034853

Enrollment

Unknown

Registered

2020-07-22

Start date

2020-07-27

Completion date

Unknown

Last updated

2021-08-30

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

Conditions

hypotension after general anesthesia

Interventions

Gold Standard:Hypotension was defined as greater than 30% decrease in MBP from baseline or MBP less than 60 mmHg.

Index test:dIVCmax and IVC-CI.

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Conforming to ASA I~III; Scheduled for elective surgery after general anesthesia; Single-cavity endotracheal intubation; Aged 18 or above.

Exclusion criteria

Exclusion criteria: Increased intra-abdominal pressure,Patients with cirrhosis,Patients with cirrhosis,implanted pacemaker/cardioverter, anticipated difficult airway,baseline MBP<70mmHg,Patients with renal hypertension.

Design outcomes

Primary

Measure	Time frame
Maximum IVC diameter (dIVCmax);collapsibility index (CI);mean blood pressure (MBP);Area under Curve Roc(AUC);	—

Secondary

Measure	Time frame
Minimum IVC diameter (dIVCmin);sensitivity;specificity;	—

Countries

China

Contacts

Public ContactHanying Zhang

Pidu District People's Hospital

513683028@qq.com+86 15775879640

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 11, 2026