A series of studies in which ultrasound vena cava variability predicts hypotension during total knee arthroplasty

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2300077085

Enrollment

Unknown

Registered

2023-10-28

Start date

2023-10-28

Completion date

Unknown

Last updated

2023-10-30

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

Conditions

Hypotension

Interventions

Hypotension group and No-hypotension group:None

Eligibility

Sex/Gender

All

Age

50 Years to 75 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria: 1. Total knee replacement surgery required due to various reasons; 2. ASA grade I-II; 3. No contraindications to intraspinal anesthesia; 4. Age between 50 and 75 years old, gender unrestricted.

Exclusion criteria

Exclusion criteria: Exclusion criteria: 1. Contraindications or failure of intraspinal anesthesia; 2. History of hypotension; 3. Sinus bradycardia; 4. Previous abdominal surgery; 5. BMI>30.

Design outcomes

Primary

Measure	Time frame
Inferior vena cava variability;	—

Secondary

Measure	Time frame
Blood pressure;Heart rate;Salvage vasoactives;	—

Countries

CHINA

Contacts

Public ContactYang Liu

Department of Anesthesiology, Hebei Cangzhou Hospital of Integrated Traditional Chinese Medicine and Western Medicine

18932789827@163.com+86 189 3278 9827

Outcome results

None listed

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