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Factors associated with mortality in extrapulmonary tuberculosis patients at a teaching hospital in Ghana


N Nassikas
H Yang
A Forson
E Kwarteng
A Kwara

Abstract

Objectives: To investigate the clinical manifestations and factors associated with mortality in patients with extrapulmonary tuberculosis (EPTB) at the Korle-Bu Teaching Hospital Chest Clinic in Accra, Ghana.
Design: We conducted a retrospective chart review of patients treated for EPTB at the Chest Clinic between January 1, 2009 and December 31, 2011. Patients with a new diagnosis of EPTB without concomitant pulmonary disease, aged 18 years or older, and who were treated at the Chest Clinic were eligible for participation in the study. Relevant data were abstracted from medical records and entered into a database. The factors associated with mortality were examined using bivariate and multivariate analysis.
Results: Of the 157 patients in the study, the most affected age group was 25-34 years old (33.1%), 57.3% were male, and 71 (55.5%) of the 128 patients tested for HIV were sero-positive. Overall, 62 (39.5%) died during EPTB treatment. Mortality was associated with disseminated TB (AOR 149.85; P < 0.001), TB meningitis (AOR 79.14; P < 0.001), abdominal TB (AOR 23.59; P = 0.011), pleural effusion (AOR 12.6; P = 0.021) and age (AOR 1.05; P = 0.021). Among HIV co-infected patients, early initiation of ART reduced mortality rate.
Conclusions: The site of EPTB was a key determinant of mortality. Given that death occurs soon after diagnosis, patients with suspected TB meningitis, disseminated, abdominal and pleural TB should be targeted for early diagnosis and treatment to reduce the high EPTB mortality in our setting.

Key words: Extrapulmonary TB, HIV coinfection, Treatment outcomes, Mortality, Adults, Ghana


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