Mark D. Sawyer, M.D.

Closed for Enrollment

• Prospective Observational Evaluation of Lab Draw Associated Blood Loss in Euvolemic Hemodynamically Stable Surgical ICU Patients: The Potential Impact on Cost and Blood Product Transfusions as Calculated Through Mathematical Modeling Rochester, Minn.

  The purpose of this study is to determine the average volume of blood drawn in a 24 hour period in a hemodynamically stable, euvolemic Trauma/Surgical ICU patient and compare the actual volumes of blood loss with routine phlebotomy to expected losses.