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  • Title: [Familial tuberculosis: tracing the contacts of an infectious case].
    Author: Diatta A, Toure NO, Kane YD, Ndiaye EH, Niang A, Thiam K, Sylva FB, Hane AA.
    Journal: Rev Mal Respir; 2007 Jan; 24(1):32-40. PubMed ID: 17268363.
    Abstract:
    INTRODUCTION: This is a prospective study of 30 cases of smear positive pulmonary tuberculosis, with at least two sputum positive members of the family, seen in the respiratory clinic between January 2003 and June 2004. METHODS: They constitute the index cases who represent 3.5% of the cases of tuberculosis (n=850) and 2.9% of hospital admissions (n=1034) during the same period. Four patients were HIV positive. In the family circle, all contacts received an intradermal tuberculin test (IDTT) of 10 IU and/or a chest x-ray and/or sputum examination for AFB. RESULTS: Of the 601 contacts 359 (60%) had a positive IDTT with a mean diameter of 13 mm. Active pulmonary tuberculosis was found in 16 contacts giving a prevalence of 2.7% and an incidence of 4.5% (16/359). 67% of the contacts were adults aged 16-87 with a mean age of 35 years. The IDTT was positive with a mean diameter of 12.3 mm. The chest x-ray was abnormal in 40 adults (16.7%) and sputum examination confirmed pulmonary tuberculosis in 14 cases. 33% of the contacts were children (n=119) aged from 3 months to 15 years with the majority (85%) aged under 10. The IDTT was positive with a mean diameter of 12 mm and the chest x-ray was abnormal in 22 cases (18.5%). Two children of 15 years had active tuberculosis. CONCLUSION: The contacts identified were treated according to the tuberculosis protocol of Senegal (2RHEZ/6EH) with the intensive phase dispensed in hospital. It is of major importance therefore to develop effective strategies of information, education, diagnosis and management for cases of infectious pulmonary tuberculosis.
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