Brazilian Journal of Pulmonology

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

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International collaboration among medical societies is an effective way to boost Latin American production of articles on tuberculosis

A colaboração internacional entre sociedades médicas é uma forma eficaz de aumentar a produção de artigos sobre tuberculose na América Latina

Giovanni Battista Migliori1,a, Rosella Centis1,b, Lia D'Ambrosio2,c, Denise Rossato Silva3,d, Adrian Rendon4,e

J Bras Pneumol.2019;45(2):e20180420-e20180420

Abstract PDF PT PDF EN Portuguese Text Appendix

Objective: Most studies of tuberculosis originate from high-income countries with a low incidence of tuberculosis. A review of the scientific production on tuberculosis in Latin American countries, most of which are low- or middle-income countries (some with high or intermediate tuberculosis incidence rates), would improve the understanding of public health challenges, clinical needs, and research priorities. The aims of this systematic review were to determine what has been published recently in Latin America, to identify the leading authors involved, and to quantify the impact of international collaborations. Methods: We used PubMed to identify relevant manuscripts on pulmonary tuberculosis (PTB), drug-resistant tuberculosis (DR-TB), or multidrug-resistant tuberculosis (MDR-TB), published between 2013 and 2018. We selected only studies conducted in countries with an annual tuberculosis incidence of ≥ 10,000 reported cases and an annual MDR-TB incidence of ≥ 300 estimated cases, including Brazil, Peru, Mexico, Colombia, and Argentina. Articles were stratified by country, type, and topic. Results: We identified as eligible 395 studies on PTB and 188 studies on DR/MDR-TB-of which 96.4% and 96.8%, respectively, were original studies; 35.5% and 32.4%, respectively, had an epidemiological focus; and 52.7% and 36.2%, respectively, were conducted in Brazil. The recent Latin American Thoracic Association/European Respiratory Society/Brazilian Thoracic Association collaborative project boosted the production of high-quality articles on PTB and DR/MDR-TB in Latin America. Conclusions: Most of the recent Latin American studies on tuberculosis were conducted in Brazil, Mexico, or Peru. Collaboration among medical societies facilitates the production of scientific papers on tuberculosis. Such initiatives are in support of the World Health Organization call for intensified research and innovation in tuberculosis.

 


Keywords: Tuberculosis, pulmonary; Tuberculosis, multidrug-resistant; Latin America.

 


Clinical characteristics and evolution of non-HIV-infected immunocompromised patients with an in-hospital diagnosis of tuberculosis

Características clínicas e evolução de pacientes imunocomprometidos não HIV com diagnóstico intra-hospitalar de tuberculose

Denise Rossato Silva, Diego Millán Menegotto, Luis Fernando Schulz, Marcelo Basso Gazzana, Paulo de Tarso Roth Dalcin

J Bras Pneumol.2010;36(4):-

Abstract PDF PT PDF EN Portuguese Text

Objective: To investigate the characteristics of and risk factors for mortality among non-HIV-infected immunocompromised patients with an in-hospital diagnosis of tuberculosis. Methods: This was a two-year, retrospective cohort study of patients with an in-hospital diagnosis of tuberculosis. The predictive factors for mortality were evaluated. Results: During the study period, 337 hospitalized patients were diagnosed with tuberculosis, and 61 of those patients presented with immunosuppression that was unrelated to HIV infection. Extrapulmonary tuberculosis was found in 47.5% of cases. In the latter group, the in-hospital mortality rate was 21.3%, and the mortality rate after discharge was 18.8%. One-year survival was significantly higher among the immunocompetent patients than among the HIV patients (p = 0.008) and the non-HIV-infected immunocompromised patients (p = 0.015), although there was no such difference between the two latter groups (p = 0.848). Among the non-HIV-infected immunocompromised patients, the only factor statistically associated with mortality was the need for mechanical ventilation. Among the patients over 60 years of age, fibrosis/atelectasis on chest X-rays and dyspnea were more common, whereas fever and consolidations were less common. Fever was also less common among the patients with neoplasms. The time from admission to the initiation of treatment was significant longer in patients over 60 years of age, as well as in those with diabetes and those with end-stage renal disease. Weight loss was least common in patients with diabetes and in those using corticosteroids. Conclusions: The lower prevalence of classic symptoms, the occurrence of extrapulmonary tuberculosis, the delayed initiation of treatment, and the high mortality rate reflect the diagnostic and therapeutic challenges of tuberculosis in non-HIV-infected immunocompromised patients.

 


Keywords: Hospitalization; Immunosuppression; Risk factors; Tuberculosis/mortality; Immunocompromised host.

 


Kikuchi-Fujimoto disease

Doença de Kikuchi-Fujimoto

Rogério Gastal Xavier, Denise Rossato Silva, Mauro Waldemar Keiserman, Maria Francisca Torres Lopes

J Bras Pneumol.2008;34(12):1074-1078

Abstract PDF PT PDF EN Portuguese Text

Kikuchi-Fujimoto disease is characterized by fever and lymphadenopathy, usually localized in the cervical region. This disease principally affects young females. It can be confused with lymphoma, adenocarcinoma metastasis and tuberculosis. We report two cases of Kikuchi‑Fujimoto disease. In the first case, a 28-year-old female had been treated for tuberculosis one year prior and presented with a clinical and histological profile consistent with Kikuchi-Fujimoto disease. The second patient, a 58-year-old female, initially received treatment for Wegener's granulomatosis and, subsequently, for tuberculosis. Histopathological examination followed by immunohistochemical analysis confirmed the diagnosis of Kikuchi-Fujimoto disease in both cases. After the definitive diagnosis had been made, both patients were treated symptomatically, and both presented clinical improvement within one month. Subsequently, the latter patient developed systemic lupus erythematosus.

 


Keywords: Fever; Lymph nodes; Rare diseases; Tuberculosis, lymph node; Histiocytic necrotizing lymphadenitis; Lupus erythematosus, systemic.

 


Bronchodilator effect on maximal breath-hold time in patients with obstructive lung disease

Efeito do broncodilatador no tempo de apneia voluntária máxima em pacientes com distúrbios ventilatórios obstrutivos

Raqueli Biscayno Viecili, Paulo Roberto Stefani Sanches, Denise Rossato Silva, Danton Pereira da Silva, André Frota Muller, Sergio Saldanha Menna Barreto

J Bras Pneumol.2011;37(6):745-751

Abstract PDF PT PDF EN Portuguese Text

Objective: To identify the role of bronchodilators in the maximal breath-hold time in patients with obstructive lung disease (OLD). Methods: We conducted a case-control study including patients with OLD and a control group. Spirometric tests were performed prior to and after the use of a bronchodilator, as were breath-hold tests, using an electronic microprocessor and a pneumotachograph as a flow transducer. Respiratory flow curves were displayed in real time on a portable computer. The maximal breath-hold times at end-inspiratory volume and at end-expiratory volume (BHTmaxVEI and BHTmaxVEE, respectively) were determined from the acquired signal. Results: A total of 35 patients with OLD and 16 controls were included. Prior to the use of a bronchodilator, the BHTmaxVEI was significantly lower in the OLD group than in the control group (22.27 ± 11.81 s vs. 31.45 ± 15.73 s; p = 0.025), although there was no significant difference between the two groups in terms of the post-bronchodilator values (24.94 ± 12.89 s vs. 31.67 ± 17.53 s). In contrast, BHTmaxVEE values were significantly lower in the OLD group than in the control group, in the pre- and post-bronchodilator tests (16.88 ± 6.58 s vs. 22.09 ± 7.95 s; p = 0.017; and 21.22 ± 9.37 s vs. 28.53 ± 12.46 s; p = 0.024, respectively). Conclusions: Our results provide additional evidence of the clinical usefulness of the breath-hold test in the assessment of pulmonary function and add to the existing knowledge regarding the role of the bronchodilator in this test.

 


Keywords: Respiratory function tests; Pulmonary disease, chronic obstructive; Bronchodilator agents; Apnea.

 


Eliminating tuberculosis in Latin America: making it the point

Eliminação da tuberculose na América Latina: considerações

Raquel Duarte1,2,3,a, Denise Rossato Silva4,b, Adrian Rendon5,c, Tatiana Galvẫo Alves6,d, Marcelo Fouad Rabahi7,e, Rosella Centis8,f, Afrânio Kritski9,g, Giovanni Battista Migliori8,h

J Bras Pneumol.2018;44(2):73-76

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Septic pulmonary embolism secondary to jugular thrombophlebitis: a case of Lemierre's syndrome

Embolia pulmonar séptica secundária à tromboflebite jugular: um caso de síndrome de Lemierre

Denise Rossato Silva, Marcelo Basso Gazzana, Ricardo Albaneze, Paulo de Tarso Roth Dalcin, Josi Vidart, Nei Gulcó

J Bras Pneumol.2008;34(12):1079-1083

Abstract PDF PT PDF EN Portuguese Text

Abstract Lemierre's syndrome is characterized by acute oropharyngeal infection, complicated by internal jugular venous thrombosis secondary to septic thrombophlebitis, and by metastatic infections in various distant organs-most commonly in the lungs. We report a case of Lemierre's syndrome in a 56-year-old female who presented with right-sided neck mass and fever. Right internal jugular venous thrombosis was demonstrated on an ultrasound. A computed tomography scan of the chest revealed multiple opacities throughout both lungs. An open surgical biopsy was performed due to suspicion of pulmonary metastases. Anatomopathological examination revealed septic emboli in lung parenchyma. Retrospectively, the patient reported a history of pharyngitis two weeks prior to hospitalization. After the diagnosis had been made, the patient was treated with broad-spectrum antibiotics (cefuroxime for 7 days and azithromycin for 5 days; subsequently, because fever persisted, cefepime for 7 days). One month later, a computed tomography scan of the chest revealed resolution of the opacities.

 


Keywords: Pulmonary embolism; Lung abscess; Thrombophlebitis; Jugular veins; Pharyngitis.

 


Risk factors for tuberculosis: diabetes, smoking, alcohol use, and the use of other drugs

Fatores de risco para tuberculose: diabetes, tabagismo, álcool e uso de outras drogas

Denise Rossato Silva1,a, Marcela Muñoz-Torrico2,b, Raquel Duarte3,4,c, Tatiana Galvão5,d, Eduardo Henrique Bonini6,7,e, Flávio Ferlin Arbex6,f, Marcos Abdo Arbex6,g, Valéria Maria Augusto8,h, Marcelo Fouad Rabahi9,i, Fernanda Carvalho de Queiroz Mello10,j

J Bras Pneumol.2018;44(2):145-152

Abstract PDF PT PDF EN Portuguese Text

Tuberculosis continues to be a major public health problem. Although efforts to control the epidemic have reduced mortality and incidence, there are several predisposing factors that should be modified in order to reduce the burden of the disease. This review article will address some of the risk factors associated with tuberculosis infection and active tuberculosis, including diabetes, smoking, alcohol use, and the use of other drugs, all of which can also contribute to poor tuberculosis treatment results. Tuberculosis can also lead to complications in the course and management of other diseases, such as diabetes. It is therefore important to identify these comorbidities in tuberculosis patients in order to ensure adequate management of both conditions.

 


Keywords: Tuberculosis/epidemiology; Tuberculosis/prevention & control; Diabetes mellitus/prevention & control; Smoking/adverse effects; Alcohol drinking/adverse effects; Street drugs/adverse effects.

 


Idiopathic pulmonary fibrosis and emphysema in smokers

Fibrose pulmonar idiopática simultânea a enfisema em pacientes tabagistas

Denise Rossato Silva, Marcelo Basso Gazzana, Sérgio Saldanha Menna Barreto, Marli Maria Knorst

J Bras Pneumol.2008;34(10):779-786

Abstract PDF PT PDF EN Portuguese Text

Objective: To describe the clinical and functional findings recently reported in the medical literature for patients diagnosed with emphysema involving the upper lobes and idiopathic pulmonary fibrosis (IPF) involving the lower lobes. Methods: Eleven patients with emphysema and IPF were identified retrospectively. All of the patients underwent high-resolution computed tomography of the lung and pulmonary function tests. Results: Of the 11 patients, 8 were male and 3 were female. The mean age was 70.7 ± 7.2 years (range, 61-86 years). All of the patients were smokers (mean smoking history, 61.5 ± 43.5 pack-years). The mean values of forced vital capacity (FVC), forced expiratory volume in one second (FEV1) and FEV1/FVC were 72.1 ± 12.7%, 68.2 ± 11.9% and 74.4 ± 10.8, respectively. Lung volumes were normal in 7 patients. A restrictive pattern was observed in 3 patients, and hyperinflation was present in one. The diffusing capacity was moderatelyto- severely reduced in all of the patients (mean, 27.7% ± 12.9% of predicted). Ten of the 11 patients performed the six-minute walk test. The mean distance covered was 358.4 ± 143.1 m, and 9 of the 10 patients presented desaturation ≥ 4%. Echocardiographic findings suggestive of pulmonary hypertension were present in 4 patients (mean systolic pulmonary artery pressure, 61.8 mmHg; range, 36-84 mmHg). Conclusions: The concomitant presence of emphysema and IPF causes characteristic changes on pulmonary function tests. The most significant finding is a discrepancy between diffusing capacity and spirometry results.

 


Keywords: Pulmonary emphysema; Pulmonary fibrosis; Lung Diseases, interstitial; Anoxia; Hypertension, pulmonary.

 


Global TB Network: working together to eliminate tuberculosis

Global TB Network: trabalhando juntos para eliminar a tuberculose

Denise Rossato Silva1,a, Adrian Rendon2,b, Jan-Willem Alffenaar3,c, Jeremiah Muhwa Chakaya4,5,d, Giovanni Sotgiu6,e, Susanna Esposito7,f, Giovanni Battista Migliori8,g

J Bras Pneumol.2018;44(5):347-349

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Pulmonary arterial hypertension and thyroid disease

Hipertensão arterial pulmonar e doenças da tireoide

Denise Rossato Silva, Marcelo Basso Gazzana, Ângela Beatriz John, Débora Rodrigues Siqueira, Ana Luiza Silva Maia, Sérgio Saldanha Menna Barreto

J Bras Pneumol.2009;35(2):179-185

Abstract PDF PT PDF EN Portuguese Text

Recent studies have suggested an association between pulmonary arterial hypertension (PAH) and thyroid diseases (hypothyroidism and hyperthyroidism). This combination has a good prognosis, because the increase in the pulmonary artery pressure is usually slight and reverses after the treatment of the thyroid disease. Although the exact mechanism involved in the pathogenesis of this combination has not yet been established, it has been hypothesized that thyroid hormones and autoimmunity have a direct influence. Due to the high prevalence of thyroid disease in patients with PAH, thyroid function tests should be considered in the investigation of every patient with PAH. In this review, we describe the prevalence of PAH in patients with thyroid diseases and the prevalence of thyroid disease in patients with PAH, as well as addressing the principal effects that thyroid diseases have on the respiratory system. In addition, we report the treatment effects in patients with these diseases.

 


Keywords: Hypertension, pulmonary; Graves disease; Hyperthyroidism; Hypothyroidism; Thyroid hormones; Echocardiography.

 


Latent tuberculosis infection in patients with rheumatic diseases

Infecção latente por tuberculose em pacientes com doenças reumatológicas

Camila Anton1,2,a, Felipe Dominguez Machado1,2,b, Jorge Mario Ahumada Ramirez1,2,c, Rafaela Manzoni Bernardi1,2,d, Penélope Esther Palominos3,e, Claiton Viegas Brenol3,f, Fernanda Carvalho de Queiroz Mello4,g, Denise Rossato Silva1,2,h

J Bras Pneumol.2019;45(2):e20190023-e20190023

Abstract PDF PT PDF EN Portuguese Text

Most people infected by Mycobacterium tuberculosis (Mtb) do not have any signs or disease symptoms, a condition known as latent tuberculosis infection (LTBI). The introduction of biological agents, mainly tumor necrosis factor (TNF) inhibitors, for the treatment of immune-mediated diseases such as Rheumatoid Arthritis (RA) and other rheumatic diseases, increased the risk of reactivation of LTBI, leading to development of active TB. Thus, this review will approach the aspects related to LTBI in patients with rheumatologic diseases, especially those using iTNF drugs. For this purpose it will be considered the definition and prevalence of LTBI, mechanisms associated with diseases and medications in use, criteria for screening, diagnosis and treatment. Considering that reactivation of LTBI accounts for a large proportion of the incidence of active TB, adequate diagnosis and treatment are crucial, especially in high-risk groups such as patients with rheumatologic diseases.

 


Keywords: Tuberculosis; Latent tuberculosis; Tuberculin skin test; Anti-TNF therapy; Tumor necrosis factor-alpha; Rheumatoid arthritis.

 


New and repurposed drugs to treat multidrug- and extensively drug-resistant tuberculosis

Novos fármacos e fármacos repropostos para o tratamento da tuberculose multirresistente e extensivamente resistente

Denise Rossato Silva1,a, Margareth Dalcolmo2,b, Simon Tiberi3,c, Marcos Abdo Arbex4,5,d, Marcela Munoz-Torrico6,e, Raquel Duarte7,8,9,f, Lia D'Ambrosio10,11,g, Dina Visca12,h, Adrian Rendon13,i, Mina Gaga14,j, Alimuddin Zumla15,k, Giovanni Battista Migliori10,l

J Bras Pneumol.2018;44(2):153-460

Abstract PDF PT PDF EN Portuguese Text

Multidrug-resistant and extensively drug-resistant tuberculosis (MDR-TB and XDR-TB, respectively) continue to represent a challenge for clinicians and public health authorities. Unfortunately, although there have been encouraging reports of higher success rates, the overall rate of favorable outcomes of M/XDR-TB treatment is only 54%, or much lower when the spectrum of drug resistance is beyond that of XDR-TB. Treating M/XDR-TB continues to be a difficult task, because of the high incidence of adverse events, the long duration of treatment, the high cost of the regimens used, and the drain on health care resources. Various trials and studies have recently been undertaken (some already published and others ongoing), all aimed at improving outcomes of M/XDR-TB treatment by changing the overall approach, shortening treatment duration, and developing a universal regimen. The objective of this review was to summarize what has been achieved to date, as far as new and repurposed drugs are concerned, with a special focus on delamanid, bedaquiline, pretomanid, clofazimine, carbapenems, and linezolid. After more than 40 years of neglect, greater attention has recently been paid to the need for new drugs to fight the "white plague", and promising results are being reported.

 


Keywords: Tuberculosis/therapy; Tuberculosis, multidrug-resistant; Extensively drug-resistant tuberculosis; Antitubercular agents.

 


The role of the Brazilian Tuberculosis Research Network in national and international efforts to eliminate tuberculosis

O papel da Rede Brasileira de Pesquisas em Tuberculose nos esforços nacionais e internacionais para a eliminação da tuberculose

Afranio Kritski1,a, Margareth Pretti Dalcolmo2,b, Fernanda Carvalho Queiroz Mello3,c, Anna Cristina Calçada Carvalho4,d, Denise Rossato Silva5,e, Martha Maria de Oliveira6,f, Julio Croda7,8,g

J Bras Pneumol.2018;44(2):77-81

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Epidemiological aspects of respiratory symptoms treated in the emergency room of a tertiary care hospital

Perfil epidemiológico dos atendimentos de emergência por sintomas respiratórios emum hospital terciário

Denise Rossato Silva, Vinícius Pellegrini Viana, Alice Mânica Müller, Ana Cláudia Coelho,Gracieli Nadalon Deponti, Fernando Pohlmann Livi, Paulo de Tarso Roth Dalcin

J Bras Pneumol.2013;39(2):164-172

Abstract PDF PT PDF EN Portuguese Text

Objective: To evaluate the prevalence of respiratory symptoms as the motive for emergency room visits by adult and pediatric patients, describing the major clinical syndromes diagnosed and the outcomes of the patients. Methods: A cross-sectional study conducted in the emergency room of a tertiary care university hospital. Between November of 2008 and November of 2009, we reviewed the total number of emergency room visits per day. Children and adults who presented with at least one respiratory symptom were included in the study. The electronic medical records were reviewed, and the major characteristics of the patients were recorded. Results: During the study period, there were 37,059 emergency room visits, of which 11,953 (32.3%) were motivated by respiratory symptoms. The prevalence of emergency room visits due to respiratory symptoms was 28.7% and 38.9% among adults and children, respectively. In adults, the rates of hospitalization and mortality were 21.2% and 2.7%, respectively, compared with 11.9% and 0.3%, respectively, in children. Among the adults, the time from symptom onset to emergency room visit correlated positively with the need for hospitalization (p < 0.0001), the length of the hospital stay (p < 0.0001), and the mortality rate (p = 0.028). Conclusions: We found a high prevalence of respiratory symptoms as the motive for emergency room visits by adult and pediatric patients. Our results could inform decisions regarding the planning of prevention measures. Further epidemiological studies are needed in order to clarify the risk factors for severe respiratory symptoms.

 


Palavras-chave: Serviço hospitalar de emergência; Doenças respiratórias; Infecções respiratórias; Sinais e sintomas respiratórios.

 


Tuberculosis series

Série tuberculose

Denise Rossato Silva1,a, Fernanda Carvalho de Queiroz Mello2,b, Afrânio Kritski3,c, Margareth Dalcolmo4,d, Alimuddin Zumla5,e, Giovanni Battista Migliori6

J Bras Pneumol.2018;44(2):71-72

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Tuberculosis series 2019

Série tuberculose 2019

Denise Rossato Silva1,a, Giovanni Battista Migliori2,b, Fernanda Carvalho de Queiroz Mello3,c

J Bras Pneumol.2019;45(2):e20190064-e20190064

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Managing severe tuberculosis and its sequelae: from intensive care to surgery and rehabilitation

Tratamento da tuberculose grave e suas sequelas: da terapia intensiva à cirurgia e reabilitação

Simon Tiberi1,2,a, Marcela Muñoz Torrico3,b, Ananna Rahman1,c, Maria Krutikov1,d, Dina Visca4,e, Denise Rossato Silva5,f, Heinke Kunst2,g, Giovanni Battista Migliori4,h

J Bras Pneumol.2019;45(2):e20180324-e20180324

Abstract PDF PT PDF EN Portuguese Text

Multidrug-resistant tuberculosis (MDR-TB) and extensively drug-resistant tuberculosis (XDR-TB) continue to challenge physicians and public health specialists. Global treatment outcomes continue to be unsatisfactory, positive outcomes being achieved in only 54% of patients. Overall outcomes are even worse in patients infected with highly resistant strains. Treating MDR-/XDR-TB is difficult because of frequent adverse events, the long duration of drug regimens, the high costs of second-line drugs, chronic post-infectious sequelae, and loss of organ function. Ongoing research efforts (studies and trials) have various aims: increasing the rates of treatment success; understanding the potentialities of new and repurposed drugs; shortening the treatment duration; and reducing the rates of adverse events. It is hoped that better access to rapid diagnostics, increased awareness, and treatments that are more effective will reduce the rate of complications and of lung function impairment. This article aims to discuss the management of severe tuberculosis (defined as that which is potentially life threatening, requiring higher levels of care) and its sequelae, from intensive care to the postoperative period, rehabilitation, and recovery. We also discuss the nonpharmacological interventions available to manage chronic sequelae and improve patient quality of life. Because the majority of MDR-/XDR-TB cases evolve to lung function impairment (typically obstructive but occasionally restrictive), impaired quality of life, and low performance status (as measured by walk tests or other metrics), other interventions (e.g., smoking cessation, pulmonary rehabilitation, vaccination/prevention of secondary bacterial infections/exacerbations, complemented by psychological and nutritional support) are required.

 


Keywords: Extensively drug-resistant tuberculosis; Tuberculosis, multidrug-resistant; Critical care; Smoking cessation.

 


Tuberculosis in hospitalized patients: clinical characteristics of patients receiving treatment within the first 24 h after admission

Tuberculose em pacientes hospitalizados: características clínicas dos pacientes que iniciaram tratamento nas primeiras 24 h de permanência hospitalar

Denise Rossato Silva, Larissa Pozzebon da Silva, Paulo de Tarso Roth Dalcin

J Bras Pneumol.2014;40(3):279-285

Abstract PDF PT PDF EN Portuguese Text

Objective: To evaluate clinical characteristics and outcomes in patients hospitalized for tuberculosis, comparing those in whom tuberculosis treatment was started within the first 24 h after admission with those who did not. Methods: This was a retrospective cohort study involving new tuberculosis cases in patients aged ≥ 18 years who were hospitalized after seeking treatment in the emergency room. Results: We included 305 hospitalized patients, of whom 67 (22.0%) received tuberculosis treatment within the first 24 h after admission (≤24h group) and 238 (88.0%) did not (>24h group). Initiation of tuberculosis treatment within the first 24 h after admission was associated with being female (OR = 1.99; 95% CI: 1.06-3.74; p = 0.032) and with an AFB-positive spontaneous sputum smear (OR = 4.19; 95% CI: 1.94-9.00; p < 0.001). In the ≤24h and >24h groups, respectively, the ICU admission rate was 22.4% and 15.5% (p = 0.258); mechanical ventilation was used in 22.4% and 13.9% (p = 0.133); in-hospital mortality was 22.4% and 14.7% (p = 0.189); and a cure was achieved in 44.8% and 52.5% (p = 0.326). Conclusions: Although tuberculosis treatment was initiated promptly in a considerable proportion of the inpatients evaluated, the rates of in-hospital mortality, ICU admission, and mechanical ventilation use remained high. Strategies for the control of tuberculosis in primary care should consider that patients who seek medical attention at hospitals arrive too late and with advanced disease. It is therefore necessary to implement active surveillance measures in the community for earlier diagnosis and treatment.

 


Keywords: Tuberculosis; Hospitalization; Time-to-treatment; Emergency medicine; Delayed diagnosis.

 


Severe tuberculosis requiring ICU admission

Tuberculose grave com necessidade de internação em UTI

Denise Rossato Silva, Marcelo Basso Gazzana, Paulo de Tarso Roth Dalcin

J Bras Pneumol.2012;38(3):386-394

Abstract PDF PT PDF EN Portuguese Text

Tuberculosis is a curable disease that can evolve to severe forms, requiring the treatment of the patients in an ICU, especially if there is a delay in the diagnosis or if it affects elderly patients, those on dialysis, or those with HIV infection or other states of immunosuppression, as well as in cases of multidrug resistant disease. Knowledge of the radiological presentation of the cases can help diagnose these severe forms, as can the introduction of new tests, such as the early detection of the etiological agent by PCR and chest CT, which favors the early initiation of treatment. In addition, the use of regimens without isoniazid and rifampin, as well as uncertain enteral absorption and low serum concentrations of antituberculosis drugs, can reduce the efficacy of treatment. For such patients, the prognosis is generally poor and mortality rates are high.

 


Keywords: Tuberculosis; Respiratory insufficiency; Respiration, artificial; Hospitalization.

 


Pulmonary tuberculosis and lung cancer: simultaneous and sequential occurrence

Tuberculose pulmonar e câncer de pulmão: ocorrência simultânea ou sequencial

Denise Rossato Silva, Dirceu Felipe Valentini Junior, Alice Mânica Müller, Carlos Podalirio Borges de Almeida, Paulo de Tarso Roth Dalcin

J Bras Pneumol.2013;39(4):-

Abstract PDF PT PDF EN Portuguese Text

Objective: Lung cancer (LC) is the leading cause of cancer-related death and represents a major public health problem worldwide. Another major cause of morbidity and mortality, especially in developing countries, is tuberculosis. The simultaneous or sequential occurrence of pulmonary tuberculosis and LC in the same patient has been reported in various case series and case-control studies. The objective of this study was to describe the characteristics of patients developing tuberculosis and LC, either simultaneously or sequentially. Methods: This was a cross-sectional study based on the review of medical charts. Results: The study involved 24 patients diagnosed with tuberculosis and LC between 2009 and 2012. The diagnoses of tuberculosis and LC occurred simultaneously in 10 patients, whereas tuberculosis was diagnosed prior to LC in 14. The median time between the two diagnoses was 5 years (interquartile range: 1-30 years). Fourteen patients (58.3%) were male, 20 (83.3%) were White, and 22 (91.7%) were smokers or former smokers. The most common histological type was adenocarcinoma, identified in 14 cases (58.3%), followed by epidermoid carcinoma, identified in 6 (25.0%). Seven patients (29.2%) presented with distant metastases at diagnosis; of those 7 patients, 5 (71%) were diagnosed with LC and tuberculosis simultaneously. Conclusions: In the present study, most of the patients with tuberculosis and LC were smokers or former smokers, and tuberculosis was diagnosed either before or simultaneously with LC. Non-small cell lung cancer, especially adenocarcinoma, was the most common histological type.

 


Keywords: Tuberculosis/diagnosis; Lung neoplasms/diagnosis; Comorbidity.

 


Tuberculosis: where are we?

Tuberculose: onde estamos?

Fernanda Carvalho de Queiroz Mello1,a, Denise Rossato Silva2,b, Margareth Pretti Dalcolmo3,c

J Bras Pneumol.2018;44(2):82-82

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