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You can access this
clinical trial
if you have
and you are
between 18 and 30
years old
This is an observational trial.
You are contributing to medical knowledge about your condition.
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The purpose

The purpose with the planned study is to study Pleth Variability Index (PVI) as a non invasive indicator for mild hypovolemia during spontaneous breathing in healthy subjects. Lower body negative pressure (LBNP), a well established technique is used to create defined levels of hypovolemia. Primary hypothesis: By applying a breathing resistance (positive end expiratory pressure PEEP) to spontaneous breathing, the respiratory synchronous variation in the pulse oximeter signal (PVI) is enhanced and enables PVI to detect and grade the level of mild hypovolemia. Secondary hypothesis: 1) When tidal volume is increased, the respiratory synchronous variation in the pulse oximeter signal (PVI) will also increase. 2) The earlobe is superior to the finger in detecting PVI 3) Hemoglobin (Hb), detected non invasively by pulse oximetry, is not affected by hypovolemia created by LBNP

Provided treatments

  • Other: Lower body negative pressure (LBNP)

Locations near you

Unfortunately, there are no recruiting locations near you. Please check the list with all locations below.
Tris trial is registered with FDA with number: NCT01456559. The sponsor of the trial is University Hospital, Linkoeping and it is looking for 14 volunteers for the current phase.
Official trial title:
Non-invasive Detection of Mild Hypovolemia Using Pleth Variability Index (PVI) During Spontaneous Breathing