Baseline, Hemodilution
Conditions
Brief summary
The aim of this study is to assess the responsiveness of the standard minimally invasive hemodynamic monitors used in the operating room to known changes in the intravascular volume status that occur during blood removal and volume replacement with three different standard fluids used during ANH.
Interventions
None listed
Sponsors
Study design
Eligibility
Inclusion criteria
* Those surgical procedures where ANH is included in the surgical plan and consent is obtained
Exclusion criteria
* Severe or symptomatic COPD, emphysema, renal, hepatic or coronary artery disease as defined by the American College of Cardiology (Cannon et al., 2001). * Esophageal pathology (diverticulum, hiatal hernia, esophageal cancer, esophageal surgery), which introduces risks associated with the placement of the esophageal Doppler. * Ascites. * BMI \>35 * Pregnancy
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Change in cardiac output | Baseline (Supine) Volume Replaced (S/P ANH) | Metrics: Cardiac output stroke volume Stroke volume: variation |
Countries
United States