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Stevens-Johnson syndrome is a severe disease which is characterized by fever and mucocutaneous lesions. It has also been described as a small airway compromise in the form of bronchiolitis obliterans. We report a 22-year-old male patient with Stevens-Johnson syndrome due to antibiotic and antiepileptic drug treatment for brain abscess. After the improvement of mucocutaneous lesions, he went to the emergency department because of coughing and progressive shortness of breath. Pulmonary function test revealed a very severe irreversible obstructive defect and a computed tomography scan showed a mosaic attenuation pattern. We discuss this case of bronchiolitis obliterans associated with Stevens-Johnson because of its low incidence.

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Coronary thrombolysis is used as a strategy for coronary reperfusion for acute myocardial infarction. Bleeding is the main complication described. Although most of these events occur at sites of vascular access and are mild, in some cases gastrointestinal, retroperitoneal, genitourinary, lung and central nervous system bleeding may occur. These episodes are usually serious and sometimes fatal. The following report describes the case of a patient who received thrombolytic therapy with streptokinase as a treatment for myocardial infarction. Subsequently he developed acute respiratory failure, bilateral pulmonary infiltrates and fall of hematocrit compatible with diagnosis of alveolar hemorrhage.

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La trombolisis se usa como estrategia de reperfusión coronaria en el infarto agudo de miocardio. El sangrado es su principal complicación; la mayoría ocurre en los sitios de accesos venosos y es leve, pero también pueden presentarse hemorragia gastrointestinal, retroperitoneal, genitourinaria, pulmonar y a nivel del sistema nervioso central, episodios estos generalmente de mayor gravedad y a veces fatales. Se describe aquí el caso de un paciente que recibió terapia trombolítica con estreptoquinasa como tratamiento por un infarto de miocardio, y que posteriormente desarrolló insuficiencia respiratoria aguda, infiltrados pulmonares bilaterales, caída del hematocrito y aumento de la difusión de monóxido de carbono, cuadro compatible con diagnóstico de hemorragia alveolar.

Coronary thrombolysis is used as a strategy for coronary reperfusion for acute myocardial infarction. Bleeding is the main complication described. Although most of these events occur at sites of vascular access and are mild, in some cases gastrointestinal, retroperitoneal, genitourinary, lung and central nervous system bleeding may occur. These episodes are usually serious and sometimes fatal. The following report describes the case of a patient who received thrombolytic therapy with streptokinase as a treatment for myocardial infarction. Subsequently he developed acute respiratory failure, bilateral pulmonary infiltrates and fall of hematocrit compatible with diagnosis of alveolar hemorrhage.

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RESUMO

Pancreatic tuberculosis (TB) is a rare condition in immunocompetent patients and often represents a diagnostic challenge. Pancreatic TB may present with protean manifestations. Imaging with ultrasound, computed tomographic (CT) or endoscopic ultrasound (EUS) usually reveals multicystic pancreatic masses, most frequently in the head of the pancreas. Fine needle aspiration or percutaneous biopsy guided by CT/ultrasound or EUS can be useful diagnostic tools. We report a case of a 60-year-old HIV-negative man who presented with a pancreatic mass and a pulmonary nodule that were subsequently diagnosed to be tuberculosis.

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We investigated whether hyponatremia is a risk factor of death in patients hospitalized with community-acquired pneumonia (CAP) and estimated the relative risk of death by CAP of other risk factors. The design was prospective multicentre cohort study. In 5 centers in Buenos Aires, Argentina, we studied adults hospitalized with CAP between March 21, 2000 and December 21, 2000. Using stepwise logistic regression, we analyzed risk factors that showed a univariate association with mortality; alpha significance level was 0.05. During a 9-month period, 238 patients were admitted with CAP: 150 (63%) male and 88 (36%) female, mean age 52.99 (+/-20.35) and 55.06 (+/-20.94), respectively. Mortality was 10.5% (25/238). By multivariate analysis, the following variables were statistically associated with evolution: cerebrovascular disease (CD) (B: 2.614, p < 0.001, RRE: 13.6, IC 95%: 3.7-49.6); hyponatremia at admission or during hospitalization (B: 1.994, p<0.001, RRE: 7.3, IC 95%: 2.5-20.8); and elevated blood urea (B: 0.016, p= 0.003, RRE: 1.016, IC 95%: 1.005-1.02). We developed a formula to predict mortality by CAP: P (death) = 1/1 + exp - (-4.03 + 2.61 x l + 1.99 x 2 + 0.016x3), where: x1=CD (yes = 1/ no=0); x2= hyponatremia (yes = 1/ no=0); x3 = blood urea (mg/dl). The predictability was 91.1%. The mortality risk by CAP was statistically higher in patients with CD, hyponatremia and elevated blood urea.

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Investigamos si la hiponatremia es un factor de riesgo de muerte en pacientes internados por neumoníaadquirida en la comunidad (NAC) y estimamos el peso relativo de otros factores de riesgo de muerte por NAC, en un estudio de cohorte, prospectivo, multicéntrico, en 5 Servicios de Clínica Médica del Area Metropolitana de Buenos Aires. Evaluamos adultos con NAC ingresados entre 21 de marzo de 2000 y 21 de diciembre del mismo año. Los factores de riesgo que mostraron asociación con evolución por análisis univariado, fueron sometidos a análisis de regresión logística, con un nivel de significación de α de 0.05. En 9 meses seinternaron 238 pacientes con NAC: 150 (63%) varones y 88 (36%) mujeres, con edades medias 52.99 (±20.35)y 55.06 (±20.94) años, respectivamente. Fallecieron 25/238 (10.5%). En análisis multivariado, se asociaron significativamente con evolución: enfermedad vascular encefálica (EVE) (B: 2.614, p<0.001, RRE: 13.6, IC 95%: 3.7-49.6); hiponatremia al ingreso o durante la internación (B: 1.994, p<0.001, RRE: 7.3, IC 95%: 2.5-20.8); urea plasmática elevada (B: 0.016, p= 0.003, RRE: 1.016, IC 95%: 1.005-1.02). Desarrollamos una fórmula deprobabilidad de fallecer por NAC: P (óbito)= 1/1+ exp. – (-4.03 + 2.61x1 + 1.99x2 + 0.016x3), donde: x1= EVE(sí =1/no =0); x2= hiponatremia (sí =1/no =0); x3 = urea plasmática (mg/dl). La predictibilidad fue 91.1%. Elriesgo de fallecer por NAC fue significativamente mayor entre quienes presentaron EVE, hiponatremia y ureaplasmática elevada

We investigated whether hyponatremia is a risk factor of death in patients hospitalized with community-acquired pneumonia (CAP) and estimated the relative risk of death by CAP of otherrisk factors. The design was prospective multicentre cohort study. In 5 centers in Buenos Aires, Argentina, westudied adults hospitalized with CAP between March 21, 2000 and December 21, 2000. Using stepwise logisticregression, we analyzed risk factors that showed a univariate association with mortality; α significance level was0.05. During a 9-month period, 238 patients were admitted with CAP: 150 (63%) male and 88 (36%) female,mean age 52.99 (±20.35) and 55.06 (±20.94), respectively. Mortality was 10.5% (25/238). By multivariate analysis, the following variables were statistically associated with evolution: cerebrovascular disease (CD) (B: 2.614,p<0.001, RRE: 13.6, IC 95%: 3.7-49.6); hyponatremia at admission or during hospitalization (B: 1.994, p<0.001, RRE: 7.3, IC 95%: 2.5-20.8); and elevated blood urea (B: 0.016, p= 0.003, RRE: 1.016, IC 95%: 1.005-1.02). We developed a formula to predict mortality by CAP: P (death) = 1/1+ exp – (-4.03 + 2.61x1 + 1.99x2 + 0.016x3), where: x1= CD (yes=1/no =0); x2= hyponatremia (yes=1/no =0); x3 = blood urea (mg/dl). The predictability was 91.1%. The mortality risk by CAP was statistically higher in patients with CD, hyponatremia and elevated blood urea

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Investigamos si la hiponatremia es un factor de riesgo de muerte en pacientes internados por neumoníaadquirida en la comunidad (NAC) y estimamos el peso relativo de otros factores de riesgo de muerte por NAC, en un estudio de cohorte, prospectivo, multicéntrico, en 5 Servicios de Clínica Médica del Area Metropolitana de Buenos Aires. Evaluamos adultos con NAC ingresados entre 21 de marzo de 2000 y 21 de diciembre del mismo año. Los factores de riesgo que mostraron asociación con evolución por análisis univariado, fueron sometidos a análisis de regresión logística, con un nivel de significación de α de 0.05. En 9 meses seinternaron 238 pacientes con NAC: 150 (63%) varones y 88 (36%) mujeres, con edades medias 52.99 (±20.35)y 55.06 (±20.94) años, respectivamente. Fallecieron 25/238 (10.5%). En análisis multivariado, se asociaron significativamente con evolución: enfermedad vascular encefálica (EVE) (B: 2.614, p<0.001, RRE: 13.6, IC 95%: 3.7-49.6); hiponatremia al ingreso o durante la internación (B: 1.994, p<0.001, RRE: 7.3, IC 95%: 2.5-20.8); urea plasmática elevada (B: 0.016, p= 0.003, RRE: 1.016, IC 95%: 1.005-1.02). Desarrollamos una fórmula deprobabilidad de fallecer por NAC: P (óbito)= 1/1+ exp. ¹ (-4.03 + 2.61x1 + 1.99x2 + 0.016x3), donde: x1= EVE(sí =1/no =0); x2= hiponatremia (sí =1/no =0); x3 = urea plasmática (mg/dl). La predictibilidad fue 91.1%. Elriesgo de fallecer por NAC fue significativamente mayor entre quienes presentaron EVE, hiponatremia y ureaplasmática elevada (AU)

We investigated whether hyponatremia is a risk factor of death in patients hospitalized with community-acquired pneumonia (CAP) and estimated the relative risk of death by CAP of otherrisk factors. The design was prospective multicentre cohort study. In 5 centers in Buenos Aires, Argentina, westudied adults hospitalized with CAP between March 21, 2000 and December 21, 2000. Using stepwise logisticregression, we analyzed risk factors that showed a univariate association with mortality; α significance level was0.05. During a 9-month period, 238 patients were admitted with CAP: 150 (63%) male and 88 (36%) female,mean age 52.99 (±20.35) and 55.06 (±20.94), respectively. Mortality was 10.5% (25/238). By multivariate analysis, the following variables were statistically associated with evolution: cerebrovascular disease (CD) (B: 2.614,p<0.001, RRE: 13.6, IC 95%: 3.7-49.6); hyponatremia at admission or during hospitalization (B: 1.994, p<0.001, RRE: 7.3, IC 95%: 2.5-20.8); and elevated blood urea (B: 0.016, p= 0.003, RRE: 1.016, IC 95%: 1.005-1.02). We developed a formula to predict mortality by CAP: P (death) = 1/1+ exp ¹ (-4.03 + 2.61x1 + 1.99x2 + 0.016x3), where: x1= CD (yes=1/no =0); x2= hyponatremia (yes=1/no =0); x3 = blood urea (mg/dl). The predictability was 91.1%. The mortality risk by CAP was statistically higher in patients with CD, hyponatremia and elevated blood urea (AU)

Assuntos

RESUMO

Investigamos si la hiponatremia es un factor de riesgo de muerte en pacientes internados por neumoníaadquirida en la comunidad (NAC) y estimamos el peso relativo de otros factores de riesgo de muerte por NAC, en un estudio de cohorte, prospectivo, multicéntrico, en 5 Servicios de Clínica Médica del Area Metropolitana de Buenos Aires. Evaluamos adultos con NAC ingresados entre 21 de marzo de 2000 y 21 de diciembre del mismo año. Los factores de riesgo que mostraron asociación con evolución por análisis univariado, fueron sometidos a análisis de regresión logística, con un nivel de significación de α de 0.05. En 9 meses seinternaron 238 pacientes con NAC: 150 (63%) varones y 88 (36%) mujeres, con edades medias 52.99 (±20.35)y 55.06 (±20.94) años, respectivamente. Fallecieron 25/238 (10.5%). En análisis multivariado, se asociaron significativamente con evolución: enfermedad vascular encefálica (EVE) (B: 2.614, p<0.001, RRE: 13.6, IC 95%: 3.7-49.6); hiponatremia al ingreso o durante la internación (B: 1.994, p<0.001, RRE: 7.3, IC 95%: 2.5-20.8); urea plasmática elevada (B: 0.016, p= 0.003, RRE: 1.016, IC 95%: 1.005-1.02). Desarrollamos una fórmula deprobabilidad de fallecer por NAC: P (óbito)= 1/1+ exp. ¹ (-4.03 + 2.61x1 + 1.99x2 + 0.016x3), donde: x1= EVE(sí =1/no =0); x2= hiponatremia (sí =1/no =0); x3 = urea plasmática (mg/dl). La predictibilidad fue 91.1%. Elriesgo de fallecer por NAC fue significativamente mayor entre quienes presentaron EVE, hiponatremia y ureaplasmática elevada (AU)

We investigated whether hyponatremia is a risk factor of death in patients hospitalized with community-acquired pneumonia (CAP) and estimated the relative risk of death by CAP of otherrisk factors. The design was prospective multicentre cohort study. In 5 centers in Buenos Aires, Argentina, westudied adults hospitalized with CAP between March 21, 2000 and December 21, 2000. Using stepwise logisticregression, we analyzed risk factors that showed a univariate association with mortality; α significance level was0.05. During a 9-month period, 238 patients were admitted with CAP: 150 (63%) male and 88 (36%) female,mean age 52.99 (±20.35) and 55.06 (±20.94), respectively. Mortality was 10.5% (25/238). By multivariate analysis, the following variables were statistically associated with evolution: cerebrovascular disease (CD) (B: 2.614,p<0.001, RRE: 13.6, IC 95%: 3.7-49.6); hyponatremia at admission or during hospitalization (B: 1.994, p<0.001, RRE: 7.3, IC 95%: 2.5-20.8); and elevated blood urea (B: 0.016, p= 0.003, RRE: 1.016, IC 95%: 1.005-1.02). We developed a formula to predict mortality by CAP: P (death) = 1/1+ exp ¹ (-4.03 + 2.61x1 + 1.99x2 + 0.016x3), where: x1= CD (yes=1/no =0); x2= hyponatremia (yes=1/no =0); x3 = blood urea (mg/dl). The predictability was 91.1%. The mortality risk by CAP was statistically higher in patients with CD, hyponatremia and elevated blood urea (AU)

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