University of Texas Southwestern Medical Center
This is a prospective observational cohort study of adult patients undergoing high-risk surgery at UT Southwestern Medical Center. The study acquires synchronized multimodal neuromonitoring data - including SedLine quantitative EEG (qEEG) extracted from standard-of-care clinical monitoring and, where deployed, Brain4Care (B4C) noninvasive intracranial dynamics data - and links these data to perioperative hemodynamic, medication, laboratory, procedural, and outcome variables. No alteration of routine clinical care occurs. The primary goal is to characterize associations between monitor-derived features and perioperative clinical variables, and to establish a multimodal dataset supporting future analyses of perioperative brain health in high-risk surgical populations.
BACKGROUND: Patients undergoing major spine surgery, liver transplantation, on-pump cardiac surgery, major vascular surgery, major thoracic surgery, major abdominal surgery, and neurosurgical craniotomy are exposed to substantial perioperative physiologic stress, including hemodynamic instability, blood loss, cardiopulmonary bypass, and procedure-specific periods of altered cerebral perfusion. Quantitative electroencephalography and noninvasive assessments of intracranial dynamics may provide complementary information about brain state and cerebrovascular physiology during these high-risk oper…
Inclusion Criteria: * Age 18 years or older * Scheduled to undergo major spine surgery, liver transplantation, on-pump cardiac surgery, major vascular surgery, major thoracic surgery, major abdominal surgery, or neurosurgical craniotomy at UT Southwestern Medical Center * Able to provide informed consent (self or legally authorized representative when applicable) * Safe and feasible placement of SedLine and/or Brain4Care monitoring as determined by the clinical and research teams * Anticipated availability of perioperative clinical data needed for study analyses Exclusion Criteria: * Age yo…
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