Multi-institutional Comparison of Helicopter Transfers Directly to the Operating Room versus the Pit Stop in the Emergency Department

From *Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts; †Boston MedFlight, Boston, Massachusetts; ‡Boston Medical Center and Boston University, Boston, Massachusetts; §Duke University Medical Center and Duke University, Durham, North Carolina; kBeth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts; and {Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts