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- Title
Intravenous immunoglobulin utilization in the Canadian Atlantic provinces: a report of the Atlantic Collaborative Intravenous Immune Globulin Utilization Working Group.
- Authors
Constantine, Maggie M.; Thomas, Wanda; Whitman, Lucinda; Kahwash, Eiad; Dolan, Sean; Smith, Susan; Caudle, Christopher J.; Burton, Erica; Anderson, David R.
- Abstract
BACKGROUND: Intravenous immunoglobulin (IVIG) use for labeled and unlabeled indications is growing steadily. By use of a collaborative regional strategy, baseline IVIG usage and appropriateness of utilization were determined for Atlantic Canada. The effectiveness of strategies designed to optimize utilization was also studied. STUDY DESIGN AND METHODS: A regional working group was created to monitor IVIG utilization for a 2-year period in the four Canadian Atlantic Provinces. A registry of IVIG was created. Assessment of indication appropriateness was determined with national and provincial guidelines along with expert clinical opinion. To optimize IVIG use, IVIG guidelines and feedback reports were distributed to stakeholders. Appropriateness of IVIG use was compared over the course of the study. RESULTS: The leading indications for IVIG use were idiopathic thrombocytopenic purpura (17.3%), primary immune deficiency conditions (14.9%), and chronic idiopathic demyelinating polyneuropathy (11.8%). The leading prescribing specialists were neurologists (32.2%) and hematologists (26.1%). A total of 37.1 percent of IVIG usage was in accordance with labeled indications. After optimization strategies were implemented, there was little change in labeled use. There was a 4.2 percent decrease in unlabeled use not supported by evidence (p < 0.001). CONCLUSIONS: A regional collaborative strategy for monitoring IVIG use was established. Most of the IVIG use was for labeled or appropriate indications. The majority of unlabeled use was supported by the medical literature. Strategies to optimize IVIG utilization were associated with a decrease in inappropriate IVIG use and a plateau in IVIG utilization compared to the rest of the country.
- Subjects
ATLANTIC Provinces; IMMUNOGLOBULINS; PURPURA (Pathology); IMMUNODEFICIENCY; MEDICAL literature
- Publication
Transfusion, 2007, Vol 47, Issue 11, p2072
- ISSN
0041-1132
- Publication type
Article
- DOI
10.1111/j.1537-2995.2007.01400.x