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A Cluster Controlled Trial Comparing Three Methods of Disseminating Practice Guidelines for Children With Croup

This study has been terminated.
Information provided by:
University of Calgary Identifier:
First received: September 2, 2005
Last updated: November 28, 2005
Last verified: September 2005
The purpose of this study is to identify, from a societal perspective, the costs and associated benefits of three strategies for disseminating and implementing a practice guideline that addresses the management of croup.

Condition Intervention
Croup Behavioral: mailing of printed educational materials Behavioral: a combination of interactive educational meetings, educational outreach visits, and reminders Behavioral: identification of local opinion leaders and establishment of local consensus processes

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Educational/Counseling/Training
Official Title: A Cluster Controlled Trial Comparing Three Methods of Disseminating Practice

Resource links provided by NLM:

Further study details as provided by University of Calgary:

Primary Outcome Measures:
  • Rate of hospital days per 1,000 disease episodes

Secondary Outcome Measures:
  • Proportion of patients treated in the ED and hospital with a corticosteroid.
  • Proportion of patients evaluated in ED for at least three hours after treatment with corticosteroids before the decision to admit to hospital is made.
  • Time to treatment with corticosteroids in both ED and hospital patients.
  • An economic analysis conducted from a societal perspective with costs classified as either payer (costs born by the province) or non-payer (costs born by individuals or the families of children with croup).

Study Start Date: September 2000
Estimated Study Completion Date: March 2006
  Show Detailed Description


Ages Eligible for Study:   Child, Adult, Senior
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Alberta hospitals were rank ordered based on the number of disease episodes and rates of hospitalization for a six-year period. We then approached in this order each of the hospital administrators and clinical staff for permission to include their hospital in our study until a total of 24 hospitals consented

Exclusion Criteria:

  • Refusal by hospital staff to participate in this trial
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00147849

Sponsors and Collaborators
Canadian Institutes of Health Research (CIHR)
Principal Investigator: David W Johnson, MD University of Calgary
  More Information Identifier: NCT00147849     History of Changes
Other Study ID Numbers: MCT-63141
CIHR App No. 110642
U Calgary Acct. No. 73-1051
Study First Received: September 2, 2005
Last Updated: November 28, 2005

Keywords provided by University of Calgary:
knowledge translation
health care utilization
economic analysis

Additional relevant MeSH terms:
Laryngeal Diseases
Respiratory Tract Diseases
Otorhinolaryngologic Diseases processed this record on September 19, 2017