Document Detail

Estimating the number of coronary artery bypass graft and percutaneous coronary intervention procedures in Canada: a comparison of cardiac registry and Canadian Institute for Health Information data sources.
MedLine Citation:
PMID:  20847972     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Provincial cardiac registries and the Canadian Institute for Health Information (CIHI) pan-Canadian administrative databases are invaluable tools for understanding Canadian cardiovascular health and health care. Both sources are used to enumerate cardiovascular procedures performed in Canada.
OBJECTIVE: To examine the level of agreement between provincial cardiac registry data and CIHI data regarding procedural counts for coronary artery bypass grafts (CABGs) and percutaneous coronary interventions (PCIs).
METHODS: CIHI staff obtained CABG and PCI counts from seven provinces that, in 2004, performed these procedures and had a cardiac registry (ie, British Columbia, Alberta, Saskatchewan, Manitoba, Ontario, Nova Scotia, and Newfoundland and Labrador). Structured mail questionnaires, and e-mail and telephone follow-ups elicited information from a designated registry respondent. The CIHI derived its counts of CABG and PCI procedures by applying the geographical boundaries, procedural definitions and analytical case criteria used by the cardiac registries to CIHI inpatient and day procedure databases. Steps were taken to reduce double-counting procedures when combining results from the two CIHI databases. Two measures were calculated: the absolute difference between registry and CIHI estimates, and the per cent agreement between estimates from the two sources.
RESULTS: All seven cardiac registries identified as eligible for the study participated. Agreement was high between the two sources for CABG (98.8%). For PCI, the level of agreement was high (97.9%) when CIHI sources were supplemented with day procedure data from Alberta.
CONCLUSIONS: The high level of agreement between cardiac registry and CIHI administrative data should increase confidence in estimates of CABG and PCI counts derived from these sources.
Yana Gurevich; Anne McFarlane; Kathleen Morris; Aleksandra Jokovic; Gail M Peterson; Gregory K Webster
Publication Detail:
Type:  Comparative Study; Journal Article; Multicenter Study; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The Canadian journal of cardiology     Volume:  26     ISSN:  1916-7075     ISO Abbreviation:  Can J Cardiol     Publication Date:    2010 Aug-Sep
Date Detail:
Created Date:  2010-09-17     Completed Date:  2010-10-15     Revised Date:  2011-08-03    
Medline Journal Info:
Nlm Unique ID:  8510280     Medline TA:  Can J Cardiol     Country:  Canada    
Other Details:
Languages:  eng     Pagination:  e249-53     Citation Subset:  IM    
Canadian Institute for Health Information, Toronto, Ontario.
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MeSH Terms
Angioplasty, Balloon, Coronary / statistics & numerical data*
Canada / epidemiology
Coronary Artery Bypass / statistics & numerical data*
Delivery of Health Care
Medical Records Systems, Computerized / statistics & numerical data*
National Health Programs*
Public Health Informatics / statistics & numerical data*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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