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Revista Médica Electrónica

versión On-line ISSN 1684-1824

Resumen

BOFILL GIL, Pável et al. Subarachnoid anesthesia with variable doses of bupivacaine with fentanyl in the trans-urethral  resection of the prostate. Rev.Med.Electrón. [online]. 2017, vol.39, n.3, pp. 495-506. ISSN 1684-1824.

Introduction: currently, several models of spinal anesthesia with bupivacaine in different doses, associated or not to fentanyl, have been described providing  a safe  and efficacious anesthesia, reducing the intensity of the postsurgical pain, preserving the cognitive function, and reducing the complications attributed to hyperbaric lidocaine due to its neurotoxicity. Aim: to assess the effect of low doses of bupivacaine with fentanyl as subarachnoid anesthesia in patients undergoing a prostate trans-urethral resection. Materials and Methods:  a prospective, longitudinal, quantitative, descriptive study was carried out in 200 patients programmed for that kind of surgery and with the indication of subarachnoid anesthesia through bupivacaine; they were randomly distributed in four groups. Outcomes: both, the sensory block and the motor one were faster in the patients of the Group B (3,0; 11,2) and (7,1; 8,3), Group C (5,0; 9,4) and (6,2; 9,4) and Group D (6,1; 8,3) and (4,7; 10,9); while in the patients of the Group A they were (6,0; 8,5) y (9,9; 11,7) respectively. It was observed a good quality anesthesia in all the patients of the Groups C and D. Conclusions: the intrathecal administration of 7,5 mg of bupivacaine with 25 µg of fentanyl produced a satisfactory anesthesia, reduced the latency period, kept a better hemodynamic stability up, extended the post-surgery analgesia and was associated to fewer incidences of perioperative complications.

Palabras clave : fentanyl; opioid agents; bupivacaine; local anesthetic.

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