Early Machine-human Interface around Sepsis Severity Identification: From Diagnosis to Improved Management?

Vikas Bansal, Emir Festić, Muhammad A. Mangi, Nicholl A. Decicco, Ashley N. Reid, Elizabeth L. Gatch, James M. Naessens, Pablo Moreno-Franco


Objective. To investigate the statistical measures of the performance of 2 interventions: a) early sepsis identification by a computerized sepsis “sniffer” algorithm (CSSA) in the emergency department (ED) and b) human decision to activate a multidisciplinary early resuscitation sepsis and shock response team (SSRT).

Methods. This study used a prospective and historical cohort study design to evaluate the performance of two interventions.

Intervention. A computerized sepsis sniffer algorithm (CSSA) to aid in early diagnosis and a multidisciplinary sepsis and shock response team (SSRT) to improve patient care by increasing compliance with Surviving Sepsis Campaign (SSC) bundles.

Results. The CSSA yielded a sensitivity of 100% (95% CI, 99.13-100%) and a specificity of 96.2% (95% CI, 95.55-96.45%) to identifying sepsis in the ED (Table 1). The SSRT resource was activated appropriately in 34.1% (86/252) of patients meeting severe sepsis or septic shock criteria; the SSRT was inappropriately activated only three times in sepsis-only patients. In 53% (134/252) of cases meeting criteria for SSRT activation, the critical care team was consulted as opposed to activating the SSRT resource.

Conclusion: Our two-step machine-human interface approach to patients with sepsis utilized an outstandingly sensitive and specific electronic tool followed by more specific human decision-making.


Computerized decision; support; Sepsis; Algorithm

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DOI: http://dx.doi.org/10.5644/ama2006-124.212


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