Fluid boluses are often administered with the aim of improving tissue perfusion in critically ill patients. It is unclear whether the temperature of the fluid has an impact on the hemodynamic response. The aim of this study is to describe the hemodynamic effects of a fluid bolus with two different temperatures.
A randomized, controlled, cross-over study in 21 healthy volunteers. The participants will receive a fluid bolus of 500 ml Ringer's Acetate at either 22°C or 38°C over 15 minutes in a randomized order. Non-invasive measures will be made of cardiac index, mean arterial pressure, systolic blood pressure, diastolic blood pressure, heart and pulse rate, saturation and temperature. Hemodynamic measure will be made using the Clearsight® system. Measurements will be made during 120 minutes. The second session will take place at least one day later, and the participant will then receive the other fluid temperature.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
NONE
Enrollment
21
Body temperature fluid
Room temperature fluid
Karolinska Institutet Södersjukhuset
Stockholm, Sweden
Cardiac index 15 minutes
Change in cardiac index at 15 minutes from start of infusion
Time frame: 15 minutes
Cardiac index 120 minutes
Change in cardiac index during 120 minutes from start of infusion
Time frame: 120 minutes
Blood pressure 120 minutes
Change in blood pressure during 120 minutes from start of infusion
Time frame: 120 minutes
Heart rate 120 minutes
Change in heart rate during 120 minutes from start of infusion
Time frame: 120 minutes
Temperature 120 minutes
Change in body temperature during 120 minutes from start of infusion
Time frame: 120 minutes
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