- Relationship of Mean Arterial Pressure with the Adverse Outcomes in Adult Blunt Trauma Patients: Cross-sectional Study
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Seung Yong Cha, Yong Hwan Kim, Chong Kun Hong, Jun Ho Lee, Kwang Won Cho, Seong Youn Hwang, Kyoung Yul Lee, Younghwan Lee, Seong Hee Choi
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J Trauma Inj. 2013;26(2):39-46.
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 Abstract
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- PURPOSE
Non-invasive blood pressure measurement is widely used as a pre-hospital triage tool for blunt trauma patients. However, scant data exits for using the mean arterial pressure (MAP), compared to the systolic blood pressure, as a guiding index. The aim of this study was to determine the association between adverse outcomes and mean arterial pressure (MAP) and to exhibit the therapeutic range of the MAP in adult blunt trauma patients.
METHODS
The electronic medical records for all trauma patients in a single hospital from January 2010 to September 2012 were retrospectively reviewed. Patients below 17 years of age, patients with penetrating injuries, and patients with serious head trauma (injuries containing any skull fractures or any intracranial hemorrhages) were excluded. Adverse outcomes were defined as one of the following: death in the Emergency Department (ED), admission via operating theater, admission to the intensive care unit, transfer to another hospital for emergency surgery, or discharge as hopeless.
RESULTS
There were 14,537 patients who met entry criteria. Adverse outcomes occurred for MAPs in range from 90 to 120 mmHg. Adverse outcomes were found, after adjusting for confounding variables, to occur increasingly as the MAP declined below 90 mmHg or rose above 120 mmHg.
CONCLUSION
Not only lower but also higher mean arterial pressure is associated with increased adverse outcomes in adult blunt trauma patients. Thus, patients with a MAP above 120 mmHg should be considered as a special group requiring higher medical attention, just as those with a MAP below 90 mmHg are.
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Summary
- FAST Reappraisal: Cross-sectional Study
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Sang Hyun Ha, Chong Kun Hong, Jun Ho Lee, Seong Youn Hwang, Seong Hee Choi
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J Korean Soc Traumatol. 2012;25(3):67-71.
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Abstract
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- PURPOSE
Focused Assessment with Sonography for Trauma (FAST) provides an important initial screening examination in adult trauma patients. However, due to its low sensitivity, FAST is not a replacement for computed tomography (CT) in hemodynamically stable trauma patients. The aim of this study was to determine the test characteristics of FAST in adult, hemodynamically stable, blunt abdominal trauma patients by using a critical action as a reference standard.
METHODS
The medical records for FAST examination at a single hospital from January 2009 to February 2011 were retrospectively reviewed. The inclusion criterion was isolated, hemodynamically stable, blunt abdominal trauma. Hemodynamically unstable patients or patients with penetrating injuries were excluded. The reference standard was the presence of a critical action, which was defined as one of the following: 1) operative intervention for a finding discovered on CT, 2) interventional radiology for bleeding, 3) transfusion of 2 or more packed RBCs, or 4) death at the emergency department.
RESULTS
There were 230 patients who met the inclusion criterion. There were 20 true positive, 206 true negative, 0 false positive, and 4 false negative results. The sensitivity and the specificity were 83% and 100%, respectively.
CONCLUSION
Despite its low sensitivity for detecting any abnormal finding discovered on CT, negative FAST could aid to exclude critical action in hemodynamically stable, blunt abdominal trauma patients.
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Summary
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