hemoglobina pos-operatoria inmediata en cirugía cardiovascular como predictor de requerimiento de vasopresores e inotrópicos en la unidad de cuidados intensivos immediate postoperative hemoglobin in cardiovascular surgery as predictor of vasopressors and inotropes in intensive care unit

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ID: 136399
2011
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Abstract
Antecedentes: los pacientes sometidos a cirugía cardiovascular representan un desafío de manejo en la unidad de cuidados intensivos debido principalmente al estrés hemodinámico que se deriva de la cirugía y a las comorbilidades que se presentan con frecuencia. Una alteración común en el cuidado pos-quirúrgico es la disfunción ventricular izquierda con el consiguiente requerimiento de soporte hemodinámico. Por tradición, se han establecido factores de riesgo para el requerimiento de agentes vasoactivos, pero no hay estudios de asociación entre hemoglobina baja en el pos-operatorio inmediato como marcador independiente para la necesidad de soporte hemodinámico. Objetivo: determinar si la anemia pos-operatoria inmediata en cirugía cardiovascular aumenta el uso tanto de vasopresores como de inotrópicos durante la estancia en la unidad de cuidados intensivos. Metodología: estudio observacional, descriptivo y retrospectivo, en el que se incluyeron 206 pacientes que fueron sometidos a cirugía cardiovascular, desde enero de 2008 hasta julio de 2009. Resultados: la mayoría de los pacientes (82%) no tuvo anemia pos-operatoria (Hb > 9 g/dL); entre éstos 37,9% requirió vasopresores y 20,6% uso de inotrópicos (incluyendo balón de contra-pulsación). Por otro lado, entre los pacientes con anemia pos-operatoria, 62% requirieron vasopresores y 41,6% inotrópicos durante su estancia en la unidad de cuidados intensivos. Conclusiones: la anemia en el pos-operatorio inmediato de cirugía cardiovascular es un adecuado predictor de la necesidad de vasopresores e inotrópicos durante la estancia en la unidad de cuidados intensivos.
Background: patients undergoing cardiovascular surgery represent a management challenge in the intensive care unit, mainly due to the hemodynamic stress that results from surgery and to the co-morbidities frequently presented. A common disorder in the postoperative care is the left ventricular dysfunction with the consequent requirement of hemodynamic support. Traditionally, risk factors for the requirement of vasoactive agents have been established, but there are no studies for the association between low hemoglobin in the immediate postoperative period as independent marker, and the need of hemodynamic support. Objective: determine if the immediate postoperative anemia in cardiovascular surgery increases the use of both vasopressors and inotropes during the stay in the intensive care unit. Methodology: observational descriptive and retrospective study, in which 206 patients who underwent cardiovascular surgery from January 2008 to July 2009, were included. Results: most patients (82%) had no postoperative anemia (Hb > 9 g/dL); among these, 37,9% required vasopressors and 20,6 required inotropes (including balloon counter-pulsation). On the other hand, 62% of patients with postoperative anemia required vasopressors and 41% required inotropes during their stay in the intensive care unit. Conclusions: anemia during the immediate postoperative period of cardiovascular surgery is an adequate predictor of the need for vasopressors and inotropes during the stay in the intensive care unit.
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gmez2011revistahemoglobina Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Mabel Gómez;Iván Rendón;Luis E Silva;Carlos Sánchez;Andrés F Buitrago
Journal applied clay science
Year 2011
DOI
DOI not found
URL
http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-56332011000400008
Keywords
anemia vasopressorsdiseases of the circulatory (cardiovascular) system

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