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Anales de Medicina Interna

versión impresa ISSN 0212-7199

Resumen

GARCIA-FERNANDEZ, C. et al. Tuberculosis in the elderly in a general hospital in the Region of Madrid, 1994-2003. An. Med. Interna (Madrid) [online]. 2006, vol.23, n.4, pp.161-165. ISSN 0212-7199.

Introduction: Tuberculosis in the elderly is a health problem that is on the increase nowadays in industrialised countries. The aim of this study is to describe epidemiological, clinical and microbiological characteristics of tuberculosis in elderly patients in a general hospital in the Region of Madrid from 1994 to 2003. Methods: Only microbiologically and/or histopathologically confirmed tuberculosis were studied. Epidemiological, clinical and microbiological variables were analyzed. Microbiological and histopathological laboratory results and medical records were collected. Results: The proportion of cases occurring among the elderly rose from 12.4% between 1994 and 1998 to 17.8% between 1999 and 2003 (p<0.05). A total of 160 tuberculosis cases were studied: 92.5% were microbiologically (culture) confirmed and 7.5% histopathologically confirmed. The average time to culture positivity was 18.8 days (SD: 6.5). 88.7% isolates were susceptible to streptomycin, isoniazid, rifampin, ethambutol, and pyrazinamide. The main locations of tuberculosis were pulmonary (59.4%), ganglionary (11.9%) and genitourinary (10.0%). A positive smear in the sputum was discovered for 52.6% of pulmonary tuberculosis. The most prevalent risk factors were inmunosuppression (14.8%) and diabetes mellitus (12.3%). Neither of them were VIH, intravenous drug users or inmigrant. 50.7% cases were hospitalized. Conclusions: Tuberculosis in the elderly is on the increase in our region nowadays. The epidemiological pattern of tuberculosis in the elderly differs from that observed in younger patients. Therefore specific control and prevention strategies are needed in order to reduce tuberculosis incidence in aged populations.

Palabras clave : Tuberculosis; Elderly; Epidemiology; Control.

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