• Greg J Beilman and Juan J Blondet.
• Division of Surgical Critical Care/Trauma, Department of Surgery, University of Minnesota, MMC 11, 420 Delaware St SE, Minneapolis, Minnesota 55455, USA. blond006@umn.edu.
• World J Emerg Surg. 2009 Jan 1;4:25.

BackgroundNear-infrared spectroscopy technology has been utilized to monitor perfusion status in animal models of hemorrhagic shock and in human traumatic injury. To observe the effectiveness of such a device in a combat setting, an FDA-approved device was used in conjunction with standard resuscitation and therapy of wounded patients presenting to the 228th Combat Support Hospital (CSH), Company B, over a three-month period.Materials And MethodsThese observations were performed on patients presenting to the 228th CSH, Co B, at Forward Operating Base Speicher, outside of Tikrit, Iraq, between the dates of June 15 and September 11, 2005. We utilized the Inspectra 325 tissue oxygen saturation (StO2) monitor (Hutchinson Technology, Inc; Hutchinson, MN, USA) with the probe placed on the thenar eminence or on another appropriate muscle bed, and used to monitor StO2 during early resuscitation and stabilization of patients.ResultsDuring the above time period, 161 patients were evaluated at the CSH as a result of traumatic injury and the device was placed on approximately 40 patients. In most patients, StO2 readings of greater than 70% were noted during the initial evaluation. No further information was collected from these patients. In 8 patients, convenience samples of StO2 data were collected along with pertinent physiologic data. In these patients, StO2 levels of below 70% tracked with hypotension, tachycardia, and clinical shock resulted in increases in StO2 after resuscitation maneuvers.ConclusionNear-infrared spectroscopy-derived StO2 reflected and tracked the resuscitation status of our patients with battlefield injuries. StO2 has significant potential for use in resuscitation and care of patients with battlefield injuries.

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