Mortality in the first six months among HIV-positive and HIV-negative patients empirically treated for tuberculosis

被引:6
作者
Huerga, Helena [1 ]
Ferlazzo, Gabriella [2 ]
Wanjala, Stephen [3 ]
Bastard, Mathieu [1 ]
Bevilacqua, Paolo [1 ]
Ardizzoni, Elisa [2 ,4 ]
Sitienei, Joseph [5 ]
Bonnet, Maryline [1 ,6 ]
机构
[1] Epicentre, Paris, France
[2] Med Sans Frontieres, Paris, France
[3] Med Sans Frontieres, Nairobi, Kenya
[4] Inst Trop Med, Antwerp, Belgium
[5] Minist Hlth, Nairobi, Kenya
[6] UM, U1175, TransVIHMI, IRD,INSERM,UMI 233, Montpellier, France
关键词
Tuberculosis; Diagnosis; Mortality; HIV; Resource-constrained; Empirical treatment; XPERT MTB/RIF; MYCOBACTERIUM-TUBERCULOSIS; ROLL-OUT; MULTICENTER; FEASIBILITY; RESISTANCE; DIAGNOSIS; SETTINGS; ACCURACY; IMPACT;
D O I
10.1186/s12879-019-3775-z
中图分类号
R51 [传染病];
学科分类号
100401 ;
摘要
BackgroundEmpirical treatment of tuberculosis (TB) may be necessary in patients with negative or no Xpert MTB/RIF results. In a context with access to Xpert, we assessed mortality in the 6months after the initial TB consultation among HIV-positive and HIV-negative patients who received empirical TB treatment or TB treatment based on bacteriological confirmation and we compared it with the mortality among those who did not receive TB treatment.MethodsThis prospective cohort study included consecutively adult patients with signs and symptoms of TB attending an outpatient TB clinic in Western Kenya. At the first consultation, patients received a clinical exam and chest X-ray. Sputum was collected for microscopy, Xpert and Mycobacterium tuberculosis complex (MTB) culture. Patients not started on TB treatment were reassessed after 5days. All patients bacteriologically confirmed (positive Xpert or culture) received TB treatment. Empirical treatment was defined as a decision to start TB treatment without bacteriological confirmation. Patients were reassessed after 6months.ResultsOf 606 patients included, 344/606 (56.8%) were women. Median age was 35years [Interquartile Range (IQR):27-47] and 398/594 (67.0%) were HIV-positive. In total, 196/606 (32.3%) patients were Xpert- or culture-positive and 331/606 (54.6%) started TB treatment. Overall, 100/398 (25.1%) HIV-positive and 31/196 (15.8%) HIV-negative patients received empirical treatment. Mortality in the 6months following the first consultation was 1.6 and 0.8/100 patient-months among HIV-positive and HIV-negative patients respectively. In the multivariate analyses, TB treatment - whether empirical or based on bacteriological confirmation- was not associated with increased mortality among HIV-positive patients (aHR:2.51, 95%CI:0.79-7.90 and aHR:1.25, 95%CI:0.37-4.21 respectively). However, HIV-negative patients who received empirical treatment had a higher risk of mortality (aHR:4.85, 95%CI:1.08-21.67) compared to those not started on treatment. HIV-negative patients treated for TB based on bacteriological confirmation did not have a different risk of mortality (aHR:0.77, 95%CI:0.08-7.41).ConclusionsOur findings suggest that in a context with access to Xpert, clinicians should continue using empirical TB treatment in HIV-positive patients with signs and symptoms of TB and negative Xpert results. However, differential diagnoses other than TB should be actively sought before initiating empirical TB treatment, particularly in HIV-negative patients.
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页数:11
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