Characteristics of adult tetanus in Accra
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Date
2004-03
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Publisher
West African Journal of Medicine
Abstract
Background: Tetanus is a life threatening infection with an estimated annual global incidence of about 1 million cases and a mortality of 50%. It is very common in developing countries. The prevalence in Ghana is not known, however, cases continue to be admitted in hospitals in the country. This retrospective study was undertaken to define the characteristics of cases of tetanus in adults admitted to the Korle-bu Teaching Hospital, Accra, Ghana, from 1 January 1994 to 31 December, 2001. Methods: Information was extracted from the admission and discharge registers of the Isolation Unit of Korle-bu Teaching Hospital, Accra and case notes were examined and analysed. Results: There were 158 (76.6%) males) cases of tetanus with mean age of 32.7 ± 15.0 years. The peak age was in the 20-29 year group. Admission rate was lowest during the raining season months of June-August. Traumatic injury occurred outdoors (56.9%) and was caused by deep prick (24.3%), or cut (16.2%). The most common site of injury was on the lower (44.6%) limbs. The time interval between injury and admission was 8.3 ± 22.4 weeks (range 1-156 weeks) and the duration of symptoms was 2.9 ± 2.7 days (range 1.0-21.0 days). The most common presenting features were locked jaw (82.4%), general spasm (62.2%), presence of a wound (53.7%) and neck stiffness (50.0%). Hospital admission was 11.4 ± 11.6 (range 0-53) days. The case mortality was 50% (79/158). Conclusion: These results confirm that adult tetanus is still very prevalent in Ghana and is occurring in a younger age group compared to that in the developed countries. The case mortality is still very high.
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Keywords
Adult tetanus, Hospital admission, Infections