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        "resumen" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">La dexmedetomidina&#44; un agonista adren&#233;rgico selectivo &#945;2&#44; constituye un intento de mejorar la sedoanalgesia de los pacientes cr&#237;ticos&#44; por sus efectos distintivos en comparaci&#243;n a los planes tradicionales como son&#58; sedaci&#243;n consciente&#44; simpaticolisis y ausencia de depresi&#243;n respiratoria&#46;</p> <span class="elsevierStyleSectionTitle">Objetivo</span><p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">Estudiar el efecto de la dexmedetomidina&#44; un nuevo agonista &#945;28&#44; sobre la hemodin&#225;mica intracraneal y sobre los par&#225;metros hemometab&#243;licos cerebrales en un grupo de pacientes con trauma craneoencef&#225;lico grave&#46;</p> <span class="elsevierStyleSectionTitle">Material y m&#233;todos</span><p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">Estudio prospectivo de los pacientes con lesi&#243;n encef&#225;lica traum&#225;tica grave &#40;Glasgow Coma Scale &#8804; 8&#41; ingresados en un Centro de Tratamiento Intensivo &#40;CTI&#41; que recibieron monitorizaci&#243;n de la presi&#243;n intracraneal &#40;PIC&#41; y monitorizaci&#243;n de saturaci&#243;n de O<span class="elsevierStyleInf">2</span> del bulbo yugular &#40;SjO<span class="elsevierStyleInf">2</span>&#41;&#46; Se realiz&#243; una perfusi&#243;n intravenosa de la droga durante 3 horas&#44; en dosis progresivas &#40;0&#46;2&#44; 0&#46;4 y 0&#46;7<span class="elsevierStyleHsp" style=""></span>ug&#47;kg&#47;h&#41;&#44; previa suspensi&#243;n de otros sedantes y analg&#233;sicos&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p id="spar0020" class="elsevierStyleSimplePara elsevierViewall">Se estudiaron 12 pacientes sin hiperten-si&#243;n intracraneal&#46; No se encontraron diferencias significativas entre los valores de PIC y presi&#243;n arterial media &#40;PAM&#41; tras la infusi&#243;n de la droga en relaci&#243;n con los valores basales&#46; La presi&#243;n de perfusi&#243;n cerebral &#40;PPC&#41; mostr&#243; una tendencia a disminuir durante el estudio &#40;efecto marginal&#44; p&#61;0&#46;058&#41;&#46; Se encontr&#243; un descenso significativo de la frecuencia card&#237;aca &#40;FC&#41; &#40;p&#60;0&#46;0001&#41; en relaci&#243;n a los valores basales&#46; No se hallaron diferencias significativas en los par&#225;metros hemometab&#243;licos cerebrales &#40;SjO<span class="elsevierStyleInf">2</span> y CEO<span class="elsevierStyleInf">2</span>&#41;&#46;</p> <span class="elsevierStyleSectionTitle">Conclusi&#243;n</span><p id="spar0025" class="elsevierStyleSimplePara elsevierViewall">A las dosis utilizadas&#44; la dexmede-tomidina fue segura&#44; no asoci&#225;ndose a alteraciones significativas de la hemodin&#225;mica intracraneal ni del metabolismo sangu&#237;neo cerebral en pacientes en la etapa aguda del trauma craneoencef&#225;lico grave &#40;TECG&#41;</p>"
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        "resumen" => "<p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Dexmedetomidine&#44; an &#945;2 adrenergic agonist&#44; with distinctive characteristics when compared to traditional plans&#44; namely&#58; conscious sedation&#44; sympatholysis and lack of respiratory depression&#44; represents an attempt to improve the sedoanalgesia of critically ill patients&#46;</p> <span class="elsevierStyleSectionTitle">Objective</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">To study dexmedetomidine&#39;s effect on intracranial hemodynamic and hemometabolic parameters in severe head injured patients&#46;</p> <span class="elsevierStyleSectionTitle">Material and methods</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">Prospective study on the effect of Dexmedetomidine on twelve severe head injured patients &#40;Glasgow Coma Scale score &#8804; 8&#41; admitted to an intensive care unit&#44; with intracranial pressure &#60; 20<span class="elsevierStyleHsp" style=""></span>mmHg and O<span class="elsevierStyleInf">2</span> saturation monitoring of blood from jugular bulb&#46; The drug was perfused intravenously during 3 hours&#44; in progressive doses &#40;0&#46;2&#44; 0&#46;4 y 0&#46;7<span class="elsevierStyleHsp" style=""></span>ug&#47;kg&#47;h&#41;&#46; All other sedo-analgesia medication had been previously withdrawn&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">No significant differences were found in intracranial pressure&#44; mean arterial pressure and cerebral hemometabolic parameters after infusion of dexmedetomidine in relation to basal values&#46; Cerebral perfusion pressure showed a trend to decrease during the drug infusion &#40;marginal effect&#44; p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>&#46;058&#41;&#46; Cardiac frequency decreased significantly after the drug administration&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p id="spar0050" class="elsevierStyleSimplePara elsevierViewall">At the doses utilized&#44; dexmedetomidine was safe&#44; and it was not associated with significant changes in intracranial hemodynamics&#44; nor in cerebral hemometabolic parameters&#44; in a group of severe head jnjured patients&#46;</p>"
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Efectos de la dexmedetomidina sobre la hemodinámica intracraneal en pacientes con lesión encefálica traumatica grave
Effects of dexmedetomidine on intracranial hemodynamics in severe head injured patients
P. Grille, A. Biestro
, G. Fariña, R. Miraballes
Unidad de Cuidados Intensivo. Hospital de Clínicas. Universidad de la República. Montevideo. Uruguays
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        "resumen" => "<p id="spar0030" class="elsevierStyleSimplePara elsevierViewall">Dexmedetomidine&#44; an &#945;2 adrenergic agonist&#44; with distinctive characteristics when compared to traditional plans&#44; namely&#58; conscious sedation&#44; sympatholysis and lack of respiratory depression&#44; represents an attempt to improve the sedoanalgesia of critically ill patients&#46;</p> <span class="elsevierStyleSectionTitle">Objective</span><p id="spar0035" class="elsevierStyleSimplePara elsevierViewall">To study dexmedetomidine&#39;s effect on intracranial hemodynamic and hemometabolic parameters in severe head injured patients&#46;</p> <span class="elsevierStyleSectionTitle">Material and methods</span><p id="spar0040" class="elsevierStyleSimplePara elsevierViewall">Prospective study on the effect of Dexmedetomidine on twelve severe head injured patients &#40;Glasgow Coma Scale score &#8804; 8&#41; admitted to an intensive care unit&#44; with intracranial pressure &#60; 20<span class="elsevierStyleHsp" style=""></span>mmHg and O<span class="elsevierStyleInf">2</span> saturation monitoring of blood from jugular bulb&#46; The drug was perfused intravenously during 3 hours&#44; in progressive doses &#40;0&#46;2&#44; 0&#46;4 y 0&#46;7<span class="elsevierStyleHsp" style=""></span>ug&#47;kg&#47;h&#41;&#46; All other sedo-analgesia medication had been previously withdrawn&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p id="spar0045" class="elsevierStyleSimplePara elsevierViewall">No significant differences were found in intracranial pressure&#44; mean arterial pressure and cerebral hemometabolic parameters after infusion of dexmedetomidine in relation to basal values&#46; Cerebral perfusion pressure showed a trend to decrease during the drug infusion &#40;marginal effect&#44; p<span class="elsevierStyleHsp" style=""></span>&#61;<span class="elsevierStyleHsp" style=""></span>&#46;058&#41;&#46; Cardiac frequency decreased significantly after the drug administration&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p id="spar0050" class="elsevierStyleSimplePara elsevierViewall">At the doses utilized&#44; dexmedetomidine was safe&#44; and it was not associated with significant changes in intracranial hemodynamics&#44; nor in cerebral hemometabolic parameters&#44; in a group of severe head jnjured patients&#46;</p>"
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ISSN: 11301473
Idioma original: Español
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