Recruitment

Recruitment Status
Completed

Exclusion Criterias

heart or lung disease mental illness communication barriers.
heart or lung disease mental illness communication barriers.

Summary

Conditions
the Filling of Jugular Vein Before Anesthesia With and Without Valsalva Maneuver
Type
Observational
Design
  • Observational Model: Case-Crossover
  • Time Perspective: Prospective

Participation Requirements

Age
Between 18 years and 60 years
Gender
Only females

Exclusion Criterias

heart or lung disease mental illness communication barriers.
heart or lung disease mental illness communication barriers.

Locations

Shanghai, Shanghai, 200090
Shanghai, Shanghai, 200090

Tracking Information

NCT #
NCT02095002
Collaborators
Not Provided
Investigators
Not Provided