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The Spatio-Temporal Information System on Myocardial Infarction (SIST-IM)

The Spatio-Temporal Information System on Myocardial Infarction (SIST-IM). GEOIDE Annual Conference May 2003. SIST Program. SIST-IM* ( Vanasse et al. ) Acute Coronary Syndrome (ACS) Provincial Level SIST-OS* ( Vanasse et al. ) Osteoporosis Provincial Level

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The Spatio-Temporal Information System on Myocardial Infarction (SIST-IM)

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  1. The Spatio-Temporal Information System on Myocardial Infarction (SIST-IM) GEOIDE Annual Conference May 2003

  2. SIST Program • SIST-IM* (Vanasse et al.) • Acute Coronary Syndrome (ACS) • Provincial Level • SIST-OS* (Vanasse et al.) • Osteoporosis • Provincial Level • SIST-STAT* (Niyonsenga et al.) • Spatial Statistics • Fundamental Research * Financed by: GEOIDE networks and Merck Frosst Canada Ltd

  3. Geomatics and health

  4. SIST Program

  5. Partners

  6. SIST-IM Project Research AssistantsJ. Courteau Ph.D. A. Hemiari Ph.D. M. Yergeau M.Sc. Students M. Pomerleau M.Sc. (c) J. Loslier M.D. M.Sc. (c) J. Autmizguine • Principalinvestigator • A. Vanasse M.D. Ph.D. • Co-researchers • T. Niyonsenga Ph.D. • G. Bénié Ph.D. • J.-P. Grégoire Ph.D. • K. Goïta Ph.D. • C. Dean Ph.D. • P. Dagenais M.D. FRCP Ph.D. • A. Ciampi Ph.D.

  7. SIST-IM Objectives • For patients hospitalized for ACS in Quebec between 1991 and 2001: • Describe and compare the profile of revascularization and the profile of mortality/morbidity • Describe and compare short and long term treatments for patients aged 65 and older • Identify possible factors explaining spatio-temporal heterogeneity • Ethical considerations • Approved by the ethical committee of CHUS and CAI

  8. Aspatial Database Codes ICD-9: 410-414 1991-2001

  9. Variables MED-ECHO (MSSS) Vital Statistics (MSSS) Pharmaceutical Services (RAMQ)

  10. Specific Question • For patients hospitalized for ACS in year 2000: • Can we observe a regional variation in standardized revascularization ratios?

  11. Conceptual model

  12. Revascularization Standardized revascularization ratios and 95%-confidence intervals

  13. Thresholding: standardized ratios

  14. Discussion • Is there any relation between access to tertiary cardiology centers and revascularization?

  15. Discussion Odds Ratio = 1.73p < 0.0001 Access to tertiary cardiology center Revascula- rization

  16. Discussion • Other related works • Relation between meteorological extreme conditions and myocardial infarction (Michel Pomerleau) • Relation between rural areas and myocardial infarction (Julie Loslier)

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