Brazilian Journal of Pulmonology

ISSN (on-line): 1806-3756 | ISSN (printed): 1806-3713

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Anemia in hospitalized patients with pulmonary tuberculosis

Anemia em pacientes internados com tuberculose pulmonar

Marina Gribel Oliveira, Karina Neves Delogo, Hedi Marinho de Melo Gomes de Oliveira, Antonio Ruffino-Netto, Afranio Lineu Kritski, Martha Maria Oliveira

J Bras Pneumol.2014;40(4):403-410

Abstract PDF PT PDF EN Portuguese Text

Objective: To describe the prevalence of anemia and of its types in hospitalized patients with pulmonary tuberculosis. Methods: This was a descriptive, longitudinal study involving pulmonary tuberculosis inpatients at one of two tuberculosis referral hospitals in the city of Rio de Janeiro, Brazil. We evaluated body mass index (BMI), triceps skinfold thickness (TST), arm muscle area (AMA), ESR, mean corpuscular volume, and red blood cell distribution width (RDW), as well as the levels of C-reactive protein, hemoglobin, transferrin, and ferritin. Results: We included 166 patients, 126 (75.9%) of whom were male. The mean age was 39.0  10.7 years. Not all data were available for all patients: 18.7% were HIV positive; 64.7% were alcoholic; the prevalences of anemia of chronic disease and iron deficiency anemia were, respectively, 75.9% and 2.4%; and 68.7% had low body weight (mean BMI = 18.21 kg/m2). On the basis of TST and AMA, 126 (78.7%) of 160 patients and 138 (87.9%) of 157 patients, respectively, were considered malnourished. Anemia was found to be associated with the following: male gender (p = 0.03); low weight (p = 0.0004); low mean corpuscular volume (p = 0.03);high RDW (p = 0; 0003); high ferritin (p = 0.0005); and high ESR (p = 0.004). We also found significant differences between anemic and non-anemic patients in terms of BMI (p = 0.04), DCT (p = 0.003), and ESR (p < 0.001). Conclusions: In this sample, high proportions of pulmonary tuberculosis patients were classified as underweight and malnourished, and there was a high prevalence of anemia of chronic disease. In addition, anemia was associated with high ESR and malnutrition.

 


Keywords: Tuberculosis, pulmonary; Anemia; Malnutrition; Iron.

 


Inflammatory and immunogenetic markers in correlation with pulmonary tuberculosis

Marcadores inflamatórios e imunogenéticos e sua relação com tuberculose pulmonar

Beatriz Lima Alezio Muller, Daniela Maria de Paula Ramalho, Paula Fernanda Gonçalves dos Santos, Eliene Denites Duarte Mesquita, Afranio Lineu Kritski, Martha Maria Oliveira

J Bras Pneumol.2013;39(6):719-727

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Objective: To describe serum levels of the cytokines IL-10, TNF-, and IFN-, as well as polymorphisms in the genes involved in their transcription, and their association with markers of the acute inflammatory response in patients with pulmonary tuberculosis. Methods: This was a descriptive, longitudinal study involving 81 patients with pulmonary tuberculosis treated at two referral hospitals. We collected data on sociodemographic variables and evaluated bacteriological conversion at the eighth week of antituberculosis treatment, gene polymorphisms related to the cytokines studied, and serum levels of those cytokines, as well as those of C-reactive protein (CRP). We also determined the ESR and CD4+ counts. Results: The median age of the patients was 43 years; 67 patients (82.7%) were male; and 8 patients (9.9%) were infected with HIV. The ESR was highest in the patients with high IFN- levels and low IL-10 levels. IFN- and TNF- gene polymorphisms at positions +874 and −238, respectively, showed no correlations with the corresponding cytokine serum levels. Low IL-10 levels were associated with IL-10 gene polymorphisms at positions −592 and −819 (but not −1082). There was a negative association between bacteriological conversion at the eighth week of treatment and CRP levels. Conclusions: Our results suggest that genetic markers and markers of acute inflammatory response are useful in predicting the response to antituberculosis treatment

 


Keywords: Tuberculosis; Cytokines; Immune system; Polymorphism, single nucleotide.

 


 

 


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CNPq, Capes, Ministério da Educação, Ministério da Ciência e Tecnologia, Governo Federal, Brasil, País Rico é País sem Pobreza
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E-mails: jbp@jbp.org.br
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