Septic Shock, Severe Sepsis
Conditions
Brief summary
Comparison of noninvasive cardiac output monitor (NICOM, Cheetah Medical) with Edwards FloTrac minimally-invasive cardiac output monitor in predicting fluid responsiveness in sepsis and septic shock.
Detailed description
Study will evaluate ability of passive leg raise test to predict fluid responsiveness in patients in septic shock, on vasopressors, using both the NICOM and FloTrac devices. An increase in CI, SVI, or Pulse Pressure of \>10% in response to the passive leg raise will be considered a positive passive leg raise test, and the same indicators will be considered a significant response to a fluid challenge with either crystalloids or colloids.Each device will be evaluated independently, but simultaneously.
Interventions
DEVICENICOM/FloTrac
Use of noninvasive cardiac output and minimally invasive cardiac output monitors
OTHERCrystalloid Fluid Challenge
500-1000ml Normal Saline or Plasmalyte intravenous fluid bolus will be given at baseline, and following a positive passive leg raise response as defined by a 10% or greater increase in any of: stroke volume index, cardiac index, or pulse pressure, as measured by the NICOM or FloTrac Monitors.
Sponsors
Santa Barbara Cottage Hospital
Study design
Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
DIAGNOSTIC
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No
Inclusion criteria
* All adult patients with severe sepsis or septic shock, who have arterial catheter placed with FloTrac monitor, with or without a central venous catheter.
Exclusion criteria
* Declination of consent * Known allergy to adhesive * Pregnancy * Contraindication to raising legs or head to 45 degrees for 3 minute intervals
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Number of participants who have agreement or disagreement between passive leg raise response and subsequent intravenous fluid challenge | 15 minutes | Positive passive leg raise response is defined as a 10% or greater increase in any of: stroke volume index, cardiac index, or pulse pressure following passive leg raise of 45 degrees for 3 minutes. Positive response to fluid challenge is defined as a 10% or greater increase in any of the same parameters following a 500ml or 1000 ml fluid challenge given over 10-15 minutes, using the same instrument, (NICOM or FloTrac). A negative response would be \< 10% increase in these parameters using the same instrument |
Secondary
| Measure | Time frame |
|---|---|
| Decrease in vasopressor dose, in response to fluid therapy guided by passive leg raise response using NICOM or Flotrac devices | 48 hours |
Countries
United States
Outcome results
None listed