Cachimuel QOA, Aguado BO, Velázquez GK, Valdés LR

Language: Spanish
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ABSTRACT

Introduction: The femoral nerve block is one of the basic nerve block techniques.
Objective: To describe the results of femoral nerve block with peripheral nerve stimulator in patients undergoing knee arthroscopy.
Method: Observational, descriptive, prospective and longitudinal study. The sample consisted of 84 patients undergoing knee arthroscopy, in whom femoral nerve block was used as an anesthetic technique. Patients older than 18 years were included, with physical status I-III according to the American Society of Anesthesiology (ASA), without known allergy to local anesthetics and without contraindications for regional techniques; patients with previous ilioinguinal surgery, and with tumors in the inguinal region or femoral neuropathy, were excluded from the study.
Results: The block quality was good in 90.5 % of the patients, regular in 7.1 %, and poor in 2.4 %. The average time of analgesia to movement was 15.17 hours (SD 10.52), with a minimum of 4.17 and a maximum of 28.40 hours. Complications were minimal (9.52 %). The most frequent was paresthesia and the unsatisfactory block, in 4.8 and 2.4 %, respectively. The degree of satisfied patients was 95.2 % of the total.
Conclusions: The analgesic time in more than half of the patients was greater than 12 hours, while the pain intensity was in the range of mild to moderate, both at rest and when performing some movement. Complications were minimal, the most frequent was paresthesia. The technique is associated with high levels of satisfaction as expressed by the patients.