Patient knowledge of late effects of acute lymphoblastic leukaemia.

BACKGROUND: Over 80% of children with acute lymphatic leukaemia (ALL) survive, but many develop long-term effects after the therapy. The aim of the study was to reveal how much Norwegian adults treated for acute lymphatic leukaemia before the age of 16 know about the risk of long-term effects.

MATERIAL AND METHOD: The participants (n = 139) were recruited from a cross-sectional study (ALLBARN) of adults treated for acute lymphatic leukaemia before the age of 16 in the period 1970-2002. Their knowledge of diagnosis, treatment and long-term effects was investigated in a semi-structured interview.

RESULTS: A median number of 23 years after treatment for acute lymphatic leukaemia, 85 (61%) of the participants were unable to give examples of possible long-term effects of cancer treatment. Reduced fertility was known to 35 participants (25%), while few were aware of the risk of heart failure (n = 3) or secondary malignancy (n = 5). Those who were aware of long-term effects usually had personal experience of the problem. However, the participants had a sound knowledge of their own diagnosis and the therapy they had been submitted to.

INTERPRETATION: Long-term survivors of acute lymphatic leukaemia in childhood and adolescence know little of the risk of long-term effects. The dissemination of information about the potential consequences of the therapy should be improved.