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Diversity of the Definition of Stable Vital Sign in Trauma Patients: Results of a Nationwide Survey  

Mun, Seong Pyo (Department of Surgery, Chosun University, School of Medicine)
Yoo, Young Sun (Department of Surgery, Chosun University, School of Medicine)
Publication Information
Journal of Trauma and Injury / v.27, no.4, 2014 , pp. 115-125 More about this Journal
Abstract
Purpose: Stable vital signs (SVSs) are thought to be the most important criteria for successful non-operative management (NOM) of blunt spleen injury (BSI). However, a consistent definition of SVSs has been lacking. We wanted to evaluate the diversity of the definitions of SVSs by using a nationwide survey. Methods: A questionnaire regarding the definition of SVSs was sent to the trauma surgeons working at the Department of Trauma Surgery and Emergency Medicine at a level-I trauma center between October 2011 and November 2011. Data were compared using analyses of the variance, t-tests, ${\chi}^2$ tests and logistic regressions. Results: Among 201 surgeons, 198 responded (98.2%). Of these 198 responses, 45 were incomplete, so only 153 (76.1%) were analyzed. In defining the SVSs, significant diversity existed on the subjects of type of blood pressure (BP), cut-off value for hypotension, technique for measuring BP, duration of hypotension, whether or not to use the heart rate (HR) as a determinant, cut-off value of hypotension when the patient had a comorbidity or when the patient was a child. Of the 153 surgeons whose responses were analyzed, 91.5% replied that they were confused when defining SVSs. Conclusion: Confusion exists regarding how to define SVSs. Most surveyed surgeons felt that a need existed to clarify both the definition of SVSs and the use of SVSs to determine hemodynamic stability for NOM.
Keywords
Stable vital sign; Definition; Diversity; Blunt spleen injury;
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