Descripción de técnica anestésica con dexmedetomidina mas anestesia controlada por el paciente de alfentanilo para litotripsia extracorpórea en tratamiento de urolitiasis

The shock wave lithotripsy is a frequent procedure in the exercise ofurology. From the anesthetic point of view, the following procedures have been usedfor the shock wave lithotripsy: general, regional anesthesia, regional anesthesia and analgesic techniques. We describe, in a case series, the technique of dexmedetomidina and patient Controlled Analgesia (PCA) with alfentanü intravenous analgesia for this procedure, being observed a suitable analgesia and acceptance on the part of the patient and the practitioner with excellent security. This case report is the base to randomized study to compare the actual technical used and this new technique.