CJEM Articles: wait time

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  • Applying the Lean principles of the Toyota Production System to reduce wait times in the emergency department
    January 2010 12 1
    D. Ng, G. Vail, N. Schmidt, S. Thomas

    Objective: In recognition of patient wait times, and deteriorating patient and staff satisfaction, we set out to improve these measures in our emergency department (ED) without adding any new funding or beds. Methods: In 2005 all staff in the ED at Hôtel Dieu Grace Hospital began a transformation, employing Toyota Lean manufacturing principles to improve ED wait times and quality of care. Lean techniques such as value stream mapping, just in time delivery techniques, workplace organization, reduction of systemic wastes, use of the worker as the source of quality improvement and ongoing refinement of our process steps formed the basis of our project. Results: Our ED has achieved major improvements in depart mental flow without adding any additional ED or inpatient beds. The mean registration to physician time has decreased from 111 minutes to 78 minutes. The number of patients who left without being seen has decreased from 7.1% to 4.3%. The length of stay (LOS) for discharged patients has decreased from a mean of 3.6 to 2.8 hours, with the largest decrease seen in our patients triaged at levels 4 or 5 using the Canadian Emergency Department Triage and Acuity Scale. We noted an improvement in ED patient satisfaction scores following the implementation of Lean principles. Conclusion: Lean manufacturing principles can improve the flow of patients through the ED, resulting in greater patient satisfaction along with reduced time spent by the patient in the ED.

  • Radial head subluxation: How long do children wait in the emergency department before reduction?
    September 2007 9 5
    Amy Plint, Martin H. Osmond, Philippe Toupin, Rhonda Correll

    Objective: To describe the current emergency department (ED) wait times and treatment characteristics of children with radial head subluxation (RHS).

    Methods: We performed a 2-year retrospective medical record review (April 1, 2004, to March 31, 2006) of all children who presented to our tertiary care pediatric ED with a discharge diagnosis of RHS, pulled elbow, dislocated elbow or nursemaid's elbow.

    Results: We identified 501 cases of RHS in 427 children over a 2-year period. The mean age was 2.4 years (range 22 d-9.7 yr) and the injury was caused by a pull in 314 (62.8%) cases, a fall in 91 (18.2%) cases and a twist in 20 (4.0%) of the cases. The median time from triage to physician assessment was 1.3 hours, with 112 (23.5%) patients waiting > 2 hours and 33 (6.9%) waiting > 3 hours. The median time from triage to ED discharge was 1.7 hours, with 193 (41.2%) staying > 2 hours, 85 (18.1%) staying > 3 hours and 30 (6.4%) staying > 4 hours. Overall, 490 (99.2%) of these injuries were reduced in the ED: 98 (19.8%) were reduced prior to physician assessment and 309 (89.6%) were reduced on the first attempt. The technique used was pronation in 138 (52.7%), supination in 100 (38.2%), and pronation and supination in 24 (9.2%) cases.

    Conclusion: This large cohort indicates that children with RHS often have long ED waits before reduction and discharge. The majority of children with RHS are treated successfully with 1 reduction attempt. The data from this study will be used in planning a prospective study to shorten ED visits for patients with RHS.