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1.
Rev. bras. ter. intensiva ; 32(1): 99-107, jan.-mar. 2020. tab, graf
Article in English, Portuguese | LILACS | ID: biblio-1138474

ABSTRACT

RESUMO Objetivo: Avaliar se a sobrecarga de fluidos na terapia hídrica é fator prognóstico para pacientes com choque séptico quando ajustada para os alvos de depuração de lactato. Métodos: Este estudo envolveu uma coorte retrospectiva e foi conduzido em um hospital de cuidados nível IV localizado em Bogotá, na Colômbia. Foi organizada uma coorte de pacientes com choque séptico, e suas características e balanço hídrico foram documentados. Os pacientes foram estratificados por níveis de exposição segundo a magnitude da sobrecarga de fluidos por peso corporal após 24 horas de terapia. A mortalidade foi determinada aos 30 dias, e foi desenvolvido um modelo de regressão logística incondicional com ajuste para fatores de confusão. A significância estatística foi estabelecida com nível de p ≤ 0,05. Resultados: Foram 213 pacientes com choque séptico e, após o tratamento, 60,8% deles tiveram depuração de lactato acima de 50%. Dentre os pacientes 97 (46%) desenvolveram sobrecarga de fluidos ≥ 5%, e apenas 30 (13%) desenvolveram sobrecarga ≥ 10%. Pacientes com sobrecarga de fluidos ≥ 5% receberam, em média, 6.227mL de soluções cristaloides (DP ± 5.838mL) em 24 horas, enquanto os não expostos receberam 3.978mL (DP ± 3.728mL), com p = 0.000. Os pacientes que desenvolveram sobrecarga de fluidos foram mais frequentemente tratados com ventilação mecânica (70,7% versus 50,8%; p = 0,003), albumina (74,7% versus 55,2%; p = 0,003) e corticosteroides (53,5% versus 35,0%; p = 0,006) do que os que não desenvolveram sobrecarga de fluidos. Em análise multivariada, o balanço acumulado de fluidos não se associou com mortalidade (RC 1,03; IC95% 0,89 - 1,20). Conclusão: Após ajuste para severidade da condição e depuração adequada de lactato, a ocorrência de balanço hídrico positivo não se associou com aumento da mortalidade nessa coorte latino-americana de pacientes sépticos.


ABSTRACT Objective: To assess whether fluid overload in fluid therapy is a prognostic factor for patients with septic shock when adjusted for lactate clearance goals. Methods: This was a retrospective cohort study conducted at a level IV care hospital in Bogotá, Colombia. A cohort of patients with septic shock was assembled. Their characteristics and fluid balance were documented. The patients were stratified by exposure levels according to the magnitude of fluid overload by body weight after 24 hours of therapy. Mortality was determined at 30 days, and an unconditional logistic regression model was created, adjusting for confounders. The statistical significance was established at p ≤ 0.05. Results: There were 213 patients with septic shock, and 60.8% had a lactate clearance ≥ 50% after treatment. Ninety-seven (46%) patients developed fluid overload ≥ 5%, and only 30 (13%) developed overload ≥ 10%. Patients exhibiting fluid overload ≥ 5% received an average of 6227mL of crystalloids (SD ± 5838mL) in 24 hours, compared to 3978mL (SD ± 3728mL) among unexposed patients (p = 0.000). The patients who developed fluid overload were treated with mechanical ventilation (70.7% versus 50.8%) (p = 0.003), albumin (74.7% versus 55.2%) (p = 0.003) and corticosteroids (53.5% versus 35.0%) (p = 0.006) more frequently than those who did not develop fluid overload. In the multivariable analysis, cumulative fluid balance was not associated with mortality (OR 1.03; 95%CI 0.89 - 1.20). Conclusions: Adjusting for the severity of the condition and adequate lactate clearance, cumulative fluid balance was not associated with increased mortality in this Latin American cohort of septic patients.


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Aged , Shock, Septic/metabolism , Shock, Septic/therapy , Lactic Acid/metabolism , Fluid Therapy , Prognosis , Shock, Septic/complications , Water-Electrolyte Imbalance/etiology , Retrospective Studies , Cohort Studies
2.
Infectio ; 23(2): 143-147, abr.-jun. 2019. tab, graf
Article in Spanish | LILACS, COLNAL | ID: biblio-1002150

ABSTRACT

Introducción: Burkholderia cepacia es causante de brotes cuyo origen frecuentemente son fuentes ambientales. Materiales y métodos: Ante la sospecha de brote por B. cepacia en hemocultivos. Se realizó toma de cultivos ambientales y de insumos. Los aislamientos microbiológicos fueron sometidos a análisis molecular. Resultados: Se identificaron 8 pacientes con hemocultivos para B. cepacia en la UCI Adultos y UCI Pediátrica, edades entre 3 meses y 88 años, Los hemocultivos fueron tomados a través de catéter venoso central. Ningún paciente presentó infección por este microorganismo. Se documentó crecimiento de B. cepacia en lote de bolsitas ("sachet") jabón de clorhexidina al 4% y en lavamanos que se correlacionaron con el clon identificado en los pacientes. Con el retiro del lote de jabón de clorhexidina, optimización de los procesos de limpieza y desinfección, lavado de manos y medidas de aislamiento se controló el pseudobrote. Conclusiones: Se presenta un pseudobrote por B. cepacia causado por la contaminación de un lote de clorhexidina jabón y de los lavamanos, llamando la atención acerca de la posibilidad de contaminación de antisépticos con este microorganismo.


Introduction: The Burkholderia cepacia has been described as an outbreaks-causing agent, in which case frequently corresponds to environmental sources. Materials and Methods: Having the clinical suspicion of an outbreak or a pseudo-outbreak of B. cepacia in an Intensive Care Unit (ICU), samples in sterile solutions were sent to the laboratory for microbiologic study and molecular analysis. Results: Eigth patients with positive blood cultures for B. cepacia were identifed in the adults and pediatric ICU, ages between 3 months to 88 years. Blood cultures were taken through a central venous catheter. None of the patients presented clinical manifestations of infection. There was a positive culture of B. cepacia in a chlorhexidine sachet soap batch and in samples from the washbasin that was correlated with molecular analysis with patient samples. The withdrawal of the chlorhexidine sachet soap batch plus the optimization of cleaning and disinfection processes and patient isolation, were effective to control the pseudo-outbreak, without presenting infection. Conclusions: One pseudo-outbreak was documented by B. cepacia, affecting the adult and pediatric ICU caused by the contamination of a chlorhexidine sachet soap batch and the washbasins.


Subject(s)
Humans , Male , Female , Infant , Child, Preschool , Child , Adolescent , Adult , Middle Aged , Aged , Aged, 80 and over , Burkholderia cepacia , Environmental Pollution , Intensive Care Units , Patient Isolation , Soaps , Hand Disinfection , Disease Outbreaks , Process Optimization , Blood Culture , Anti-Infective Agents, Local
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