Journal of clinical immunology · 2010
Primary immunodeficiencies: a 27-year review at a tertiary paediatric hospital in Cape Town, South Africa.
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Naidoo Reené, Ungerer Lisa, Cooper Margaret, Pienaar Sandra, Eley Brian S
Аннотация
INTRODUCTION: The epidemiology of primary immunodeficiencies (PID) is not well documented in Africa. The objective of this study was to describe the spectrum of PID at a tertiary paediatric centre in South Africa.
METHODS: A retrospective study was conducted on 168 patients diagnosed with PID from 1983 to 2009.
RESULTS: Over the study period, antibody deficiencies predominated (51%) followed by well-defined syndromes (24%). Common variable immunodeficiency was the commonest antibody deficiency. The mean age of diagnosis was 51 months overall but decreased significantly to 35 months over the last 9 years. Recurrent infections were the most common presenting complaint (74%). The overall mortality rate was 25% while combined immunodeficiencies accounted for 40% of the deaths.
CONCLUSIONS: The spectrum of PID in South Africa was similar to international trends. The declining mean age of diagnosis indicated improved recognition of PID. Future research should focus on identifying children with PID more effectively.
METHODS: A retrospective study was conducted on 168 patients diagnosed with PID from 1983 to 2009.
RESULTS: Over the study period, antibody deficiencies predominated (51%) followed by well-defined syndromes (24%). Common variable immunodeficiency was the commonest antibody deficiency. The mean age of diagnosis was 51 months overall but decreased significantly to 35 months over the last 9 years. Recurrent infections were the most common presenting complaint (74%). The overall mortality rate was 25% while combined immunodeficiencies accounted for 40% of the deaths.
CONCLUSIONS: The spectrum of PID in South Africa was similar to international trends. The declining mean age of diagnosis indicated improved recognition of PID. Future research should focus on identifying children with PID more effectively.