Introduction: One of the most important jobs of an anesthesiology is to preserve an adequate gaseous exchange. With the coming in the 80’s of the laryngeal mask airway, a less invasive technique was introduced for this end. There are a lot of variants of these supraglotic issues, being the i-gel a no inflate mask; witch principle is to provide a perilaryngel stamp that reduced the incidence of sore throat, cervical pain compared with the traditional laryngeal mask. Method: A group of 121 ASA I-II patients with general anesthesia administration, where divided in two groups, one of 60 patients where a traditional laryngeal mask airway was used, and a second group of 61 patients where an i-gel mask was used. In both groups the presence of postoperative sore throat, cervical pain and dysphonia; number of attempts and pressure in the airway tract was measured. Results: The group of patients where the i-gel was used present lower incidence of sore throat (11% vs 27%) and cervical pain (3% vs 9%) and lower values of pressure on the airway tract compared with the group in which the conventional laryngeal mask was used. On the other hand there was no difference in the presence of dysphonia, trauma or number of attempts used to insert the mask. Conclusions: The i-gel larygeal mask demonstrated to be a safe issue, with low incidence of morbidity to administrated general anesthesia.
Obstetric anesthesia carries great responsibilities because there are two patients, the mother and the fetus. The purpose of the present study is to compare two doses of Levobupivacaine for spinal anesthesia at elective cesarean section, to determine the best dose that can give mother and fetal hemodynamic stability and a fast anesthesia recovery after the surgery. Method: We conducted a prospective randomized comparative study in 56 patients undergoing cesarean section with spinal dose of Levobupivacaine 6 mg (22 patients) and 10 mg (34 patients), both groups combined with 25 µg of fentanyl. The two doses of local anesthetic were compared with regard to sensory and motor blockade, the need for supplementation epidural, the severity of hypotension and other complications. Result: The 6 mg of levobupivacaine group presents no difference in the incidence of hypotension, bradycardia, nauseas or vomiting compared with the 10 mg of levobupivacaine group, but presents higher incidence of supplementary analgesia and lower mother satisfaction. Conclusions: The combination of 6 mg of levobupivacaine with 25 µg of fentanyl on spinal anesthesia can be an option for short time cesarean section, buy doesn't present a superior profile in side effects over the 10 mg of levobupivacaine with 25 µg of fentanyl combination with worst maternal satisfaction.
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