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Left ventricular compressions improve return of spontaneous circulation and hemodynamics in a swine model of traumatic cardiopulmonary arrest.
J Trauma Acute Care Surg
August 2018
From the Department of Emergency Medicine (K.L.A.), Stanford University School of Medicine, Palo Alto, California; Department of Emergency Medicine (K.C.F.), Madigan Army Medical Center, Tacoma, Washington; CREST Research Program (M.G.C., S.M.B.), Wilford Hall Ambulatory Surgical Center, Lackland AFB, Texas; US Air Force En Route Care Research Center, United States Army Institute of Surgical Research (A.A.A.), Fort Sam Houston, Texas; and Department of Emergency Medicine (V.S.B.), University of Colorado School of Medicine, Aurora, Colorado.
Background: Prehospital cardiopulmonary resuscitation, including closed chest compressions, has commonly been considered ineffective in traumatic cardiopulmonary arrest (TCPA) because traditional chest compressions do not produce substantial cardiac output. However, recent evidence suggests that chest compressions located over the left ventricle (LV) produce greater hemodynamics when compared to traditional compressions. We hypothesized that chest compressions located directly over the LV would improve return of spontaneous circulation (ROSC) and hemodynamics when compared with traditional chest compressions, in a swine model of TCPA.
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