Important note: Information in this article was accurate in 1999. The state of the art may have changed since the publication date.
Management of pulmonary tuberculosis suspects with negative sputum smears and normal or minimally abnormal chest radiographs in resource-poor settings.
Int J Tuberc Lung Dis. 1998 Dec;2(12):999-1004. Unique Identifier : AIDSLINE MED/99084461 Harries AD; Banda HT; Boeree MJ; Welby S; Wirima JJ; Subramanyam VR; Maher D; Nunn P; Department of Medicine, College of Medicine, Blantyre, Malawi.
Abstract:
SETTING: Queen Elizabeth Central Hospital, Blantyre, Malawi. OBJECTIVES: 1) To determine the proportion of pulmonary tuberculosis (PTB) suspects with negative sputum smears and a normal/minimally abnormal chest radiograph (CXR) who are culture-positive for Mycobacterium tuberculosis, and 2) to determine how many develop smear or radiographic evidence of PTB (TB CXR) during follow-up. METHODS: PTB suspects with negative sputum smears and a normal/minimally abnormal CXR were given a second course of antibiotics and followed up at 3-week intervals over 3 months with repeat sputum smears and chest radiography. RESULTS: Of 79 patients (38 men and 41 women, mean age 33 years) with negative smears and a normal/minimally abnormal CXR, 16 (21%) were culture-positive for M. tuberculosis. Of 15 culture-positive patients who were alive and attended follow-up, seven (47%) developed a TB-CXR by 3 months. Of 41 culture-negative patients who were alive and attended follow-up, 13 (32%) developed a TB-CXR, including one patient who became sputum smear-positive. TB-CXRs were found only in patients with a cough. CONCLUSION: TB suspects with negative smears and normal/minimally abnormal CXRs in high human immunodeficiency virus (HIV) prevalent countries should be given a second course of antibiotics. If cough improves, patients can be advised not to return for further follow-up. If cough continues, patients should return for further follow-up with sputum smear examination and chest radiography. Approximately 50% of those who have culture-positive PTB will develop a TB-CXR by 3 months and can be identified if radiographic facilities are available.
Keywords: JOURNAL ARTICLE Adult Antitubercular Agents/THERAPEUTIC USE *Developing Countries Female Human Malawi Male Sputum/MICROBIOLOGY Support, Non-U.S. Gov't Tuberculosis, Pulmonary/DIAGNOSIS/DRUG THERAPY/*THERAPY 990530
A9950907
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