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Value of Valsalva maneuver combined with pulse pressure variation in predicting hypotension after induction of general anesthesia

Value of Valsalva maneuver combined with pulse pressure variation in predicting hypotension after induction of general anesthesia

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600128253
Enrollment
Unknown
Registered
2026-07-16
Start date
2024-01-02
Completion date
Unknown
Last updated
2026-07-20

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

Conditions

None

Interventions

Hypotension group& non-hypotension group:Not Applicable

Sponsors

The affiliated people's hospital of Ningbo University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Elective surgery was performed; 2. Age of 18-80 years old ;3. ASAI-II grade ;4. Patients requiring invasive arterial pressure measurement.

Exclusion criteria

Exclusion criteria: 1. Preoperative MAP < 65mmHg ;2. Severe arrhythmia; 3. Cardiopulmonary dysfunction; 4. Emphysema and bullae ;5. History of syncope; 6. Patients who are unable to cooperate with Valsalva maneuver.

Design outcomes

Primary

MeasureTime frame
The lowest mean arterial pressure after induction of general anesthesia;—

Countries

China

Contacts

Public ContactYan Ke

The affiliated people's hospital of Ningbo University

790958696@qq.com+86 135 8694 4319

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Jul 23, 2026