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2004
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Séance WA7 - Santé / Health

Jour mercredi, le 11 mai 2005
Salle Nancy et Michel-Gaucher
Président Nadia Lahrichi

Présentations

10h30 Funding HIV/AIDS Prevention Programs in Sub-Saharan Africa
  Arielle Lasry, University of Toronto, Mechanical & Industrial Engineering, 5 King's College Road, 514-733-2010, Toronto, Ontario, Canada, M5S 3G8
Michael W. Carter, University of Toronto, Mechanical & Industrial Engineering, 5 King's College Road, Toronto, Ontario, Canada, M5S 3G8
Gregory S. Zaric, University of Western Ontario, Ivey School of Business, London, Ontario, Canada, N6A 3K7

Despite the recent influx of HIV funding in sub-Saharan Africa, available resources fall short of needs. To bridge this gap, attention is brought to the manner in which funds are allocated towards intervention programs. We examine the epidemic outcome of equity based heuristic versus optimal allocation of HIV prevention funds.


10h55 Quantitative Models in Cancer Chemotherapy
  Rachel Roe-Dale, Rensselaer Polytechnic Institute, Mathematical Sciences, 110 8th Street, Amos Eaton 301, Troy, NY, USA, 12180
Michael Kupferschmid, Rensselaer Polytechnic Institute, Academic and Research Computing, 110 8th Street, Voorhees Computing Center, Troy, NY, USA, 12180
David Isaacson, Rensselaer Polytechnic Institute, Mathematical Sciences, 110 8th Street, Amos Eaton 301, Troy, NY, USA, 12180

Cell state transitions in cancer chemotherapy are modeled by ordinary differential equations involving empirical parameters. We describe an algorithm for estimating model parameters from data and discuss its use for evaluating the effects of treatment order when multiple drugs are administered, considering cell cycle specificity and resistance.


11h20 Assigning New Cases by Tabu Search for Home-Care Services
  Nadia Lahrichi, École Polytechnique de Montréal, Mathématiques et génie industriel, C.P. 6079, succ. Centre-ville , Montréal, Québec, Canada, H3C 3A7
Alain Hertz, GERAD et École Polytechnique de Montréal, Mathématiques et génie industriel, C.P. 6079, Succ. Centre-ville, Montréal, Québec, Canada, H3C 3A7

We analyze a territorial approach to deliver budget-based home care services to a public health territory. We present the case of the CSSS Côte-des-Neiges, where a territorial approach is used since 1980. We first give an historical comparison of patient visits delivered in 1998-1999 and in 2002-2003 and a deeper analysis of the home services delivered in 2002-2003 to seek if the territorial approach can well support the changing needs of the population. It is very difficult to identify the new population needs since the staff modifies the treatment plans by delivering more services to the less needy clients when its clientele gets better. This generates staff workload and population service inequities. Therefore, a more dynamic assignment of clients to the nurses requiring comprehensive patient need assessment --- or patient classification --- is worth the extra administrative time since the territorial approach is too difficult to make it worked in practice.