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A comprehensive model of the development of mental handicap in children treated for acute lymphoblastic leukaemia: A synthesis of the literature

Centre de Recherche de l’Hôpital Sainte-Justine, Montréal, Québec, Canada

Patricia Dobkin

Montreal General Hospital and McGill University, Montréal, Québec, Canada

Jean-Marie Leclerc

Hôpital Sainte-Justine, Montréal, Québec, Canada

Francine Cyr

Université de Montréal, Québec, Canada

Catherine Sauerwein

Université de Montréal, Canada

Yves Théorêt

Centre de Recherche de l’Hôpital Sainte-Justine, Montréal, Québec, Canada

Most clinical studies addressing sequelae in children with leukaemia are not theory-driven. Nonetheless, the role of different mediating biological (e.g. cranial irradiation, chemotherapy) and psychosocial variables (e.g. family functioning) has been empirically acknowledged. In these studies, a cause-effect relationship between biological variables and cognitive deficits, sometimes complex due to multiple agents, has been hypothesised. As for the psychosocial consequences, adaptation to the cancer-related stress has been the main focus, at both the individual and family levels. In this paper, we advocate the use of a global model for the development of handicap, derived from the International Classification of Impairments, Disabilities and Handicaps (ICIDH) by the World Health Organisation. This revised model proposes that handicap is the result of complex interactions between the characteristics of a person’s impairment, disabilities, and the characteristics of the environment. At each of these levels, risk/resilience factors are defined. This means that depending on the environmental obstacles they face, persons with an impairment or a disability may or may not experience a situation creating a handicap which is no longer seen as a stable status resulting from a disease to which the individual must adapt. By reviewing animal and clinical studies, current knowledge pertaining to leukaemia sequelae are integrated into the different levels defined by the model: organic impairment, disabilities, environmental obstacles, and handicap situation. Practical implications for research, policies, and individual treatments, and comparisons with existing models, are also outlined.

International Journal of Behavioral Development, Vol. 24, No. 1, 44-58 (2000)
DOI: 10.1080/016502500383467


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