The procedure was performed under subarachnoidal anesthesia placed at the level of L3-L4 using two quincke 25 and 26 gauge needles, and a mass of 8 mg of heavy bupivacaine and 20 #mg of fentanyl, both preservative-free and approved for intrathecal administration.
Se utilizaron dos agujas Quinke 25 y 26, con una masa de 8 mg de bupivacaína pesada y 20 μg de fentanilo, ambos libres de preservantes, aprobados para administración intratecal.