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Medinfo 2013 22/08/2013

Exploring end users’ system requirements to a handheld computer supporting both sepsis test workflow and current IT solutions. Lasse Lefevre Samson. Authors : Lasse Lefevre Samson, Louise Bilenberg Pape-Haugaard, Mette Søgaard, Henrik Carl Schønheyder, Ole K. Hejlesen.

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Medinfo 2013 22/08/2013

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  1. Exploring end users’ system requirements to a handheld computer supporting both sepsis test workflow and current IT solutions Lasse Lefevre Samson Authors: Lasse Lefevre Samson, Louise Bilenberg Pape-Haugaard, Mette Søgaard, Henrik Carl Schønheyder, Ole K. Hejlesen Department of Health Science and Technology, Aalborg University, Aalborg, Denmark Medinfo 201322/08/2013

  2. Background • Bloodstream infections is in most patients associated with a clinical systemtic response called sepsis. • Sepsis is a global healthcare burden. • For patients admitted to the ICU with sepsis the mortality ranges from 27% to 54% depending on the degree of sepsis severity. [1] [1] Vincent JL, Sakr Y, Sprung CL, Ranieri VM, Reinhart K, Gerlach H, Moreno R, Carlet J, Le Gall JR, Payen D, Sep-sis Occurrence in Acutely Ill Patient Investigators. Sepsis in European intensive care units: Result of the SOAP study. Crit Care Med 2006: 34(2): 344-53 Lasse Lefevre Samson

  3. Background • “.. the speed and appropriateness of therapy administered in the initial hours after severe sepsis develops are likely to influence outcome.” [1] • MultiplexBCT is a blood culture tests, which aims to identify the most prevalent blood culture pathogens in less than an hour. • The mobility offered by a tablet-based computer system may help facilitate a rapid responses required in healthcare. [1] Dellinger RP, Levy MM, Carlet JM, Bion J, Parker MM, Jaeschke R, Reinhart K, Angus DC, Brun-Buisson C, Beale R, Calandra T, Dhainaut JF, Gerlach H, Harvey M, Marini JJ, Marshall J, Ranieri M, Ramsay G, Sevransky J, Thompson BT, Townsend S, Vender JS, Zimmerman JL, Vincent JL, for the International Surviving Sepsis Campaign Guidelines Committee. Surviving Sepsis Campaign: International guidelines for management of severe sepsis and septic shock: 2008. Crit Care Med 2008: 36(1): 296-327. Lasse Lefevre Samson

  4. Study objective .. to investigate the necessary system requirements for a tablet-based data entry and reporting system, which can support the workflow during analysis of blood cultures. Lasse Lefevre Samson

  5. Method • Data collection: • Observational study conducted at the Department of Clinical Microbiology at Aalborg University Hospital, Denmark. • Provides diagnostic microbiology for about 580,000 inhabitants of the North Denmark Region. • Use of semi-structured interviews to support the observational study. • Five observations for a total observation time of 13 hours and 30 minutes. • Two interviews of approximately 10 minutes each. Lasse Lefevre Samson

  6. Method • Observational study: • Observed medical laboratory scientists conducting blood culture analysis. • Clarified observed events through informal interviews. • Notes based around observational guide structured into: • Analysis of blood cultures. • Communications of test results. • Observed data coded by themes through meaning condensation. Lasse Lefevre Samson

  7. Results Workflow during blood culture analysis. Lasse Lefevre Samson

  8. Results • Communication of blood culture analysis results: • LIS = Laboratory Information System • MLT = Medical Laboratory Technician • DCM = Department of Clinical Microbiology Lasse Lefevre Samson

  9. System requirements • The ability to receive and send data to the laboratory information system. • Ability to use barcodes to enter information into the system, e.g., the patient ID. • Communication of test results between medical laboratory technicians and physicians. • Access to test instructions platform through a web browser. Lasse Lefevre Samson

  10. Discussion • Are the results generalizable? • Data saturation not yet achieved. • System should be flexible enough to support the workflow of different clinical microbiology laboratories. • The system must be able to both send and receive data from the laboratory information system. Lasse Lefevre Samson

  11. Discussion • Potential for use of tablet built-in camera for barcode scanning. • Browser support built-in by modern tablets, which will allow access to test instruction system. • System requirements based on existing workflow. Lasse Lefevre Samson

  12. Discussion • In conclusion: • Four essential system requirements identified. • Potential for improved patient care through workflow optimization, and faster notification of blood culture analysis results. • Foundation for further system development. Lasse Lefevre Samson

  13. Thankyou for your attention! Any questions? Contact information: Lasse Lefevre Samson (LSAMSON@HST.AAU.DK) Project partners: Funding:

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