Cerebral oximetry is utilized as a non-invasive method to ensure adequate cerebral perfusion. In a review of our clinical experience, it was noted that there were consistent inaccurate values from normal utilizing relative (INVOS, Covidien, Mansfield, MA) cerebral oximetry as opposed to absolute (FORESIGHT, CAS medical, Branford, CT) cerebral oximetry in darker skin patients.
Feldmeier, MD, Christine; Pitcher, MD, Harrsion; Yang, MD, Qiong; Cavarocchi, MD, Nicholas C.; and Hirose, MD, PhD, Hitoshi, "Does skin pigmentation effect readings of cerebral oximeter devices while on cardiopulmonary support?" (2013). Department of Surgery Faculty Papers. Paper 101.