Abstract
The study goal was the analysis of effectiveness of hemodynamic management of patients undergoing interfacility transport for suspected acute aortic dissection (SAAD). Our retrospective, consecutive-case review examined 62 nonhypotensive patients transported by an air emergency medical services (EMS) service during 1998 to 2002, with referral hospital diagnosis of SAAD. Of patients with systolic blood pressure (SBP) less than 120 upon air EMS arrival, antihypertensives had been given in only 23/42 (54.8%). In 19 cases where pretransport SBP is less than 120, with no referral hospital antihypertensive therapy given, median pretransport SBP was 158 (range, 122-212). In 20/62 cases (32.3%), the air EMS agency instituted antihypertensive therapy, which was successful; of 42 cases with pretransport SBP less than 120, mean intratransport SBP decrement was 24 (95% confidence interval, 16-32). In patients undergoing transport for SAAD, pretransport hemodynamic therapy was frequently omitted and often inadequate, generating an opportunity for air EMS intervention. Education to improve SAAD care should focus upon both referral hospitals and transport services.
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