title: The effects of minimizing ambulance diversion hours on emergency departments.
abstract: This study explores the effects of minimizing Emergency Department (ED) bypass on individual hospital's ED census, ambulance transports, and admissions. Five hospitals in a geographic area collected data over 3 weeks. The first and third week represented controls, whereas the second week hospitals minimized their usage of bypass. Data collected included hours on bypass, ED census, ambulance runs, hospital admissions, and inter-facility transfers. The total number of hours on bypass for all hospitals for pre-trial, trial, and post-trial weeks were 112.2, 0.3, and 47, respectively. There were several statistical shifts in the proportion of ambulance runs and admissions seen by individual hospitals. Clinically, these shifts in patients were minor and within ED capacity. Hospitals in a given geographic area may successfully reduce the number of hours on bypass with possible minor shifting in the number of ambulance runs and admissions that are within ED capacity.
authors: Department of Emergency Medicine, University of California, San Diego Medical Center, San Diego, California, USA.
authors: Murdoc
authors: M
authors: Khaleghi
authors: Angela
authors: A
authors: Loh
authors: Dori
authors: D
authors: Vroman
authors: Theodore C
authors: TC
authors: Chan
authors: Gary M
authors: GM
authors: Vilke
mesh_terms: D000552:Ambulances; D002140:California; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data*; D006297:Health Services Accessibility; D006801:Humans; D007373:Interinstitutional Relations; D010343:Patient Admission / Q000706:statistics & numerical data*; D011446:Prospective Studies; D014187:Transportation of Patients