
ResumenIntroducciónEl uso de la dosis de prueba en anestesia regional no está estandarizado: no existe consenso sobre su dosis, el anestésico o el tipo de fármaco que se debe utilizar, y muchos anestesiólogos no la utilizan rutinariamente en su práctica.ObjetivoHacer una revisión de la dosis de prueba para anestesia regional, sus indicaciones, su utilidad, los fármacos utilizados para ella y los signos considerados como positivos.MétodosSe realizó una búsqueda no sistemática de publicaciones en bases de datos médicas que incluyeron MedLine, SciELO y Embase.ResultadosLa aplicación de la dosis de prueba previa a la inyección total de anestésico local ayuda a detectar la colocación inadvertida de una aguja o catéter en el espacio intravascular o subaracnoideo.ConclusionesLa dosis de prueba debe utilizarse siempre que se utilicen dosis críticas de anestésico local o incluso dosis normales en pacientes con factores de riesgo. En analgesia para trabajo de parto la dosis de prueba no es necesaria.AbstractIntroductionThe use of the test dose in regional anesthesia is not standardized, and there is no consensus regarding what dose it should be or about the anesthetic or type of drug to be used. Moreover, many anesthesiologists do not use it routinely in their practice.ObjectiveTo review the test dose for regional anesthesia, its indications and utility, the drugs used, and positive signs.MethodsA non-systematic search was conducted in medical database publications including MedLine, SciELO and Embase.ResultsThe application of the test dose before giving the full injection of the local anesthetic helps in detecting the inadvertent placement of the needle or catheter in the intravascular or the subarachnoid spaces.ConclusionsThe test dose must be used every time critical doses of a local anesthetic are utilized or when normal doses are given to patients with risk factors. The test dose is not necessary in labor analgesia.
Anesthesia, Epidural, Anestesia local, Toxicity, Local Toxicity, Lidocaine, Conduction Anesthesia, Lidocaína, Toxicidad, Critical Care and Intensive Care Medicine, Anestesia de conducción, Anesthesiology and Pain Medicine, Anesthesia, Conduction, Anesthesia epidural, Anesthesia, Anestesia epidural, Anesthesia, Local
Anesthesia, Epidural, Anestesia local, Toxicity, Local Toxicity, Lidocaine, Conduction Anesthesia, Lidocaína, Toxicidad, Critical Care and Intensive Care Medicine, Anestesia de conducción, Anesthesiology and Pain Medicine, Anesthesia, Conduction, Anesthesia epidural, Anesthesia, Anestesia epidural, Anesthesia, Local
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