FindTrial
Sign In

Pre-anesthesia doppler snuffbox resistive index can predict hypotension during induction of general anesthesia

Pre-anesthesia doppler snuffbox resistive index can predict hypotension during induction of general anesthesia

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2200059133
Enrollment
Unknown
Registered
2022-04-26
Start date
2022-04-27
Completion date
Unknown
Last updated
2024-02-11

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

Conditions

post-induction hypotension

Interventions

Gold Standard:Clinical outcome
Index test:Doppler snuffbox resistive index

Sponsors

Zhengzhou Central Hospital Affiliated to Zhengzhou University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 50 Years

Inclusion criteria

Inclusion criteria: Patients aged 18-50 years, ASA I- II, undergoing elective surgery under general anesthesia.

Exclusion criteria

Exclusion criteria: 1. Mean arterial pressure (MAP) was lower than 70 mm Hg; 2. Patients with pregnancy, hypertension, diabetes and peripheral vascular diseases; 3. Expected and unexpected difficult airway; 4. Have upper limb circulation disorder; 5. Lack of intelligence; 6. Autonomic nervous dysfunction.

Design outcomes

Primary

MeasureTime frame
Doppler snuffbox resistive index;positive predictive value;negative predictive value;specificity;sensitivity;—

Secondary

MeasureTime frame
heart rate;incidence of hypotension;blood pressure;—

Countries

China

Contacts

Public ContactZuo Shanshan

Zhengzhou Central Hospital Affiliated to Zhengzhou University

498867369@qq.com+86 18203656974

Outcome results

None listed

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