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Probabilidad de éxito de obtener un hemocultivo positivo.

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Title: Probabilidad de éxito de obtener un hemocultivo positivo.
Alternate Title: Probability of success of obtaining a positive hemoculture.
Authors: Pardinas-Llergo, M. J.1, Alarcón-Sotelo, A.1, Ramírez-Angulo, C.2, Rodríguez-Weber, F.3 fweber@saludangeles.com, Díaz-Greene, E. J.4
Source: Medicina Interna de México. ene-feb2017, Vol. 33 Issue 1, p28-40. 13p. 1 Chart, 3 Graphs.
Abstract (English): BACKGROUND: Sepsis is defined as the possible or documented presence of infection along with systemic manifestations of infection. Blood culture is the first-line study in patients with suspected infection, the main objective of blood cultures consists of confirming bacteremia. Literature reports that sensitivity for diagnosis of bacteremias is low, with a growth in crops <10%; in other words, blood cultures are positive in only 1/3 of the cases. OBJECTIVES: To determine the rate of positive blood cultures at Hospital Angeles Pedregal, Mexico City, as well as to describe the most commonly found microorganisms and their resistances. MATERIAL AND METHOD: A descriptive observational retrospective study was carried out. We reviewed all blood cultures performed at the Hospital Angeles Pedregal, Mexico, City, from January 2015 to December 2015. RESULTS: Of the total sample (1,598 blood cultures), only 213 were positive, finding a probability of success of 13%. The most common microorganisms were Escherichia coli (43%) of whom 35 (16%) were resistant organisms (BLEE), Burkholderia cepacia (6%) and Enterococcus faecalis (5%) in the gram-negative group. Staphylococcus epidermidis (9%) and Staphyloccocus aureus (6%) in the gram-positive group. CONCLUSIONS: Number of blood positive cultures at Hospital Angeles Pedregal, Mexico City, is slightly higher than that reported in literature. In addition, more positivity was found for Escherichia coli, confirming that the populations of microorganisms will be different at each hospital. [ABSTRACT FROM AUTHOR]
Abstract (Spanish): ANTECEDENTES: la sepsis se define como la existencia posible o documentada de una infección junto con manifestaciones sistémicas de infección. El hemocultivo es el estudio de primera línea en pacientes con sospecha de infección; el objetivo principal de los hemocultivos consiste en confirmar bacteremia. En la bibliografía se reporta que la sensibilidad para el diagnóstico de bacteremias es baja, con crecimiento en cultivos menor a 10%; en otras palabras, los hemocultivos son positivos en únicamente una tercera parte de los casos. OBJETIVO: determinar la tasa de hemocultivos positivos en el Hospital Ángeles Pedregal de la Ciudad de México, así como describir los microorganismos encontrados con mayor frecuencia y sus resistencias. MATERIAL Y MÉTODO: estudio retrospectivo, observacional y descriptivo, en el que se revisaron todos los hemocultivos realizados en el hospital citado, de enero a diciembre de 2015. RESULTADOS: de la muestra total (1,598 hemocultivos), únicamente 213 resultaron positivos, con lo que se reportó una probabilidad de éxito de 13%. Los microorganismos más frecuentes fueron Escherichia coli (43%), de los que 35 (16%) fueron organismos resistentes (BLEE), Burkholderia cepacia (6%) y Enterococcus faecalis (5%) en el grupo de los gramnegativos y Staphylococcus epidermidis (9%) y Staphyloccocus aureus (6%) en el grupo de los grampositivos. CONCLUSIONES: el número de hemocultivos que resultan positivos en el Hospital Ángeles Pedregal de la Ciudad de México es ligeramente mayor al reportado en la bibliografía. Además, se encontró mayor positividad para Escherichia coli, lo que confirma que las poblaciones de microorganismos son diferentes en cada hospital. [ABSTRACT FROM AUTHOR]
Copyright of Medicina Interna de México is the property of Colegio de Medicina Interna de Mexico and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: &lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Pardinas-Llergo%2C+M%2E+J%2E%22&quot;&gt;Pardinas-Llergo, M. J.&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Alarc&#243;n-Sotelo%2C+A%2E%22&quot;&gt;Alarc&#243;n-Sotelo, A.&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Ram&#237;rez-Angulo%2C+C%2E%22&quot;&gt;Ram&#237;rez-Angulo, C.&lt;/searchLink&gt;&lt;relatesTo&gt;2&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Rodr&#237;guez-Weber%2C+F%2E%22&quot;&gt;Rodr&#237;guez-Weber, F.&lt;/searchLink&gt;&lt;relatesTo&gt;3&lt;/relatesTo&gt;&lt;i&gt; fweber@saludangeles.com&lt;/i&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22D&#237;az-Greene%2C+E%2E+J%2E%22&quot;&gt;D&#237;az-Greene, E. J.&lt;/searchLink&gt;&lt;relatesTo&gt;4&lt;/relatesTo&gt;
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  Data: BACKGROUND: Sepsis is defined as the possible or documented presence of infection along with systemic manifestations of infection. Blood culture is the first-line study in patients with suspected infection, the main objective of blood cultures consists of confirming bacteremia. Literature reports that sensitivity for diagnosis of bacteremias is low, with a growth in crops &lt;10%; in other words, blood cultures are positive in only 1/3 of the cases. OBJECTIVES: To determine the rate of positive blood cultures at Hospital Angeles Pedregal, Mexico City, as well as to describe the most commonly found microorganisms and their resistances. MATERIAL AND METHOD: A descriptive observational retrospective study was carried out. We reviewed all blood cultures performed at the Hospital Angeles Pedregal, Mexico, City, from January 2015 to December 2015. RESULTS: Of the total sample (1,598 blood cultures), only 213 were positive, finding a probability of success of 13%. The most common microorganisms were Escherichia coli (43%) of whom 35 (16%) were resistant organisms (BLEE), Burkholderia cepacia (6%) and Enterococcus faecalis (5%) in the gram-negative group. Staphylococcus epidermidis (9%) and Staphyloccocus aureus (6%) in the gram-positive group. CONCLUSIONS: Number of blood positive cultures at Hospital Angeles Pedregal, Mexico City, is slightly higher than that reported in literature. In addition, more positivity was found for Escherichia coli, confirming that the populations of microorganisms will be different at each hospital. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label: Abstract (Spanish)
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  Data: ANTECEDENTES: la sepsis se define como la existencia posible o documentada de una infecci&#243;n junto con manifestaciones sist&#233;micas de infecci&#243;n. El hemocultivo es el estudio de primera l&#237;nea en pacientes con sospecha de infecci&#243;n; el objetivo principal de los hemocultivos consiste en confirmar bacteremia. En la bibliograf&#237;a se reporta que la sensibilidad para el diagn&#243;stico de bacteremias es baja, con crecimiento en cultivos menor a 10%; en otras palabras, los hemocultivos son positivos en &#250;nicamente una tercera parte de los casos. OBJETIVO: determinar la tasa de hemocultivos positivos en el Hospital &#193;ngeles Pedregal de la Ciudad de M&#233;xico, as&#237; como describir los microorganismos encontrados con mayor frecuencia y sus resistencias. MATERIAL Y M&#201;TODO: estudio retrospectivo, observacional y descriptivo, en el que se revisaron todos los hemocultivos realizados en el hospital citado, de enero a diciembre de 2015. RESULTADOS: de la muestra total (1,598 hemocultivos), &#250;nicamente 213 resultaron positivos, con lo que se report&#243; una probabilidad de &#233;xito de 13%. Los microorganismos m&#225;s frecuentes fueron Escherichia coli (43%), de los que 35 (16%) fueron organismos resistentes (BLEE), Burkholderia cepacia (6%) y Enterococcus faecalis (5%) en el grupo de los gramnegativos y Staphylococcus epidermidis (9%) y Staphyloccocus aureus (6%) en el grupo de los grampositivos. CONCLUSIONES: el n&#250;mero de hemocultivos que resultan positivos en el Hospital &#193;ngeles Pedregal de la Ciudad de M&#233;xico es ligeramente mayor al reportado en la bibliograf&#237;a. Adem&#225;s, se encontr&#243; mayor positividad para Escherichia coli, lo que confirma que las poblaciones de microorganismos son diferentes en cada hospital. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of Medicina Interna de M&#233;xico is the property of Colegio de Medicina Interna de Mexico and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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