The Effect of Prehydration Guided by Subclavian Vein Collapse Index on Preventing Hypotension after General Anesthesia Induction in Patients Undergoing Abdominal Surgery

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2600116511

Enrollment

Unknown

Registered

2026-01-12

Start date

2026-01-12

Completion date

Unknown

Last updated

2026-01-27

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

Conditions

Post-induction hypotension

Interventions

Experimental group:Fluid replacement guided by the subclavian vein collapse index

Control group:Routine fluid infusion

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Aged 18–65 years old; 2. ASA ?–?; 3. Scheduled for elective abdominal surgery under general anesthesia; 4. Signed written informed consent.

Exclusion criteria

Exclusion criteria: 1. Clavicular and shoulder deformities; 2. Anatomical abnormalities of the subclavian vein; 3. Left ventricular ejection fraction (LVEF) 30 kg/m² or < 15 kg/m²; 7. Pregnant or lactating women; 8. Unclear ultrasonic images; 9. History of mental illness; 10. Refusal to participate in the experiment.

Design outcomes

Primary

Measure	Time frame
Hypertension;	—

Secondary

Measure	Time frame
Subclavian vein collapse index;Hemodynamics;Fluid replacement volume;	—

Countries

China

Contacts

Public ContactLidong Zhang

General Hospital of the Eastern Theatre of the Chinese People's Liberation Army

18451559157@163.com+86 138 1383 0135

Outcome results

None listed

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