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Infectious diseases at the paediatric isolation units of Clairwood and King Edward VIII Hospitals, Durban


Prakash M Jeena
Anne G Wesley
Hoosen M Coovadia

Abstract

Objective. Information on diseases of public health importance is scanty or  unavailable in South Africa as a result of a weak health surveillance system. Large institutional databases of common diseases can, therefore, provide useful ancillary information for planning and policy, despite unavoidable selection bias. We conducted a 12-year retrospective review (1985 - 1996) of all children admitted to the only isolation facility for the Durban metropolitan region. ·Our aim was to document changes in admissions and mortality for common childhood infectious diseases and to detect any impact of the HIV epidemic on these diseases.
Results. During these years 19 037 children were admitted and annual admissions decreased by 79%. Measles accounted for the majority of admissions (58%), followed by varicella at 23%. No cases of poliomyelitis, diphtheria or cholera have been seen since 1990. Typhoid fever, mumps, tetanus and pertussis have  decreased, but remain at low endemic levels. Between 1994 and 1996, 1% of measles and 15.3% of varicella cases have been associated with illV-l infection; this has resulted in 56% of measles deaths and 75% of varicella deaths occurring in HIV co-infected children. Overall, 60% of deaths during the past 3 years have been in illV co-infected children. HIV testing based solely on clinical suspicion was performed in 11% and 29% of measles and varicella cases, respectively. Average all-disease mortality was 5.3%, a decrease of 87% over the study period, with measles accounting for most deaths (86%).
Conclusions. The changing profile of childhood infectious diseases described at the paediatric isolation units is consistent with available national data. Probable reasons for these changes are the shift in emphasis to primary health care issues, and a gradual improvement in socio-economic conditions of the poor.

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eISSN: 2078-5135
print ISSN: 0256-9574