San Diego CIREN Team PowerPoint presentation - april 2002 SLIDE 1: Brain Injury: The Role of Directionality April 25, 2002 Washington, DC SLIDE 2: San Diego County Trauma System & Froedtert Hospital - Medical College of Wisconsin CIREN Centers - A. Brent Eastman, MD - Thomas A. Gennarelli, MD - Steve Erwin SLIDE 3: San Diego County Trauma System CIREN Program Principal Investigators - Gail F. Cooper - A. Brent Eastman, MD, FACS - David B. Hoyt, MD, FACS SLIDE 4: San Diego CIREN Centers - Children’s Hospital - Palomar Medical Center - Scripps Memorial Hospital - Scripps Mercy Hospital - Sharp Memorial Hospital - University of California, San Diego Medical Center - San Diego County Emergency Medical Services SLIDE 5: Froedtert Hospital - Medical College of Wisconsin CIREN Program Principal Investigators - Thomas A. Gennarelli, M.D. - Dennis J. Maiman, M.D., Ph.D. SLIDE 6: Map of CIREN network locations SLIDE 7: side view of human skull model SLIDE 8: computer model of human passenger in vehicle SLIDE 9: CIREN Case Examples SLIDE 10: Crash: - 1996 Saturn SL2 - Near side (left) - Impact with non-breakaway pole SUBJECT: - Center rear seat passenger - 21 month old female - CRS: toddler, front facing, proper use PDOF: 320 (-40) degrees SLIDE 11: Details: - Direct damage width: 66 cm - Max. crush: 65 cm - Bowed left PDOF: 320 (-40) DV (BES) 38 kmph (24 mph) SLIDE 12: INJURIES - CLosed head injury - scalp lacerations - left parietal and forehead hematoma - splenic contusion - liver contusion - abdominal contusion - contusions and abrasions on upper legs SLIDE 13: - Extra-axial blood in the anterior interhemispheric fissure and posterior falx - Subarachnoid blood in the interpeduncular cistern - Contusion & shear injuries - right anterior temporal and inferior frontal lobes - Frontal scalp lacerations Forehead/parietal hematoma SLIDE 14: Tiny amount of subarachnoid blood in the interpeduncular cistern SLIDE 15: Tiny amount of extra-axial blood in the anterior interhemispheric fissure and posterior falx SLIDE 16: Mild contusion and shear injuries involving right anterior temporal and inferior frontal lobes SLIDE 17: Crash: - 2000 Pontiac Grand Am - Near side (right) impact - Impact with vehicle Subject: - Front right seat passenger - 36 year old male - Air bag deployed - 3 point manual belt use SLIDE 18: Details: - Direct damage length 230 cm - Max. crush 59 CM PDOF 80 degrees DV 41 kmph (25 mph) SLIDE 19: Injuries - closed head injury - rib fractures w/pneumothorax - pulmonary contusion - diaphragm lacerations - liver laceration - spleen laceration - kidney contusion - omental avulsion, colon contusion and mesenteric laceration SLIDE 21: Bilateral Central Brain Hemorrhage SLIDE 22: Bilateral Intracranial Hemorrhage SLIDE 23: Left-sided Basilar Skull Fracture SLIDE 24: Knott Lab/Lower Extremity Wire Simulations/Wire,far,no belt,slow.avi