An observational study in the Filling of Jugular Vein Before Anesthesia With and Without Valsalva Maneuver, sponsored by Fudan University. Completed at 1 site in China. Open to female participants aged 18 Years to 60 Years. Per ClinicalTrials.gov, last updated 2014-03-26.
Sponsored by Fudan University · Observational
To explore the effect of modified valsalva maneuver on the filling degree of right internal jugular vein.
Method: The anteroposterior diameter and left-right diameter of right internal jugular vein in thirty adult gynecology patients were recorded during normal respiration and modified valsalva maneuver respectively.
Investigators hypothesis that modified valsalva maneuver would enchance the filling degree of right internal jugular vein.
Fudan University is the lead sponsor of 1,270 studies on the registry; 623 are open to participants now.
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female genecology patients, age 18-60 years old; weight 45-70 kg; body mass index (BMI)>20 kg/m2 and \<30 kg/m2; American Society of Anesthesiologists (ASA) grade I-II.
The exclusion criteria were as follows: a history of chronic throat disease; upper respiratory tract infection within two weeks before surgery; and history of mental illness or communication barriers.
Exclusion Criteria:
the change of the diameter of right internal jugular vein after modified valsalva maneuver
Time frame: up to 4 weeks
This study is completed, as verified in Mar 2014. You cannot join it, but the record below documents what was studied.
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Fudan University