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Active surveillance using electronic triggers to detect adverse events in hospitalized patients
  1. M K Szekendi,
  2. C Sullivan,
  3. A Bobb,
  4. J Feinglass,
  5. D Rooney,
  6. C Barnard,
  7. G A Noskin
  1. Division of Operations and Quality, Patient Safety, Northwestern Memorial Hospital, Chicago, and the Department of Medicine, Divisions of Infectious Disease and General Internal Medicine, Northwestern University, Feinberg School of Medicine, Chicago, IL, USA
  1. Correspondence to:
 MsM K Szekendi
 Northwestern Memorial Hospital, 676 North St Clair, Suite 700, Chicago, IL 60611, USA; mszekend{at}nmh.org

Abstract

Background: Adverse events (AEs) occur with alarming frequency in health care and can have a significant impact on both patients and caregivers. There is a pressing need to understand better the frequency, nature, and etiology of AEs, but currently available methodologies to identify AEs have significant limitations. We hypothesized that it would be possible to design a method to conduct real time active surveillance and conducted a pilot study to identify adverse events and medical errors.

Methods: Records were selected based on 21 electronically obtained triggers, including abnormal laboratory values and high risk and antidote medications. Triggers were chosen based on their expected potential to signal AEs occurring during hospital admissions. Each AE was rated for preventability and severity and categorized by type of event. Reviews were performed by an interdisciplinary patient safety team.

Results: Over a 3 month period 327 medical records were reviewed; at least one AE or medical error was identified in 243 (74%). There were 163 preventable AEs (events in which there was a medical error that resulted in patient harm) and 138 medical errors that did not lead to patient harm. Interventions to prevent or ameliorate harm were made following review of the medical records of 47 patients.

Conclusions: This methodology of active surveillance allows for the identification and assessment of adverse events among hospitalized patients. It provides a unique opportunity to review events at or near the time of their occurrence and to intervene and prevent harm.

  • AE, adverse event
  • INR, international normalized ratio
  • PTT, partial thromboplastin time
  • adverse events
  • surveillance
  • electronic triggers
  • AE, adverse event
  • INR, international normalized ratio
  • PTT, partial thromboplastin time
  • adverse events
  • surveillance
  • electronic triggers

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Footnotes

  • Supported in part by the State of Illinois Department of Public Aid and Northwestern Memorial Hospital.

  • Competing interests: none.

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