PDF(Pubmed)
Abstract：
The objective of our study was to compare the efficacy of sciatic and saphenous ultrasound nerve blocks with and without US-guided obturator nerve block in dogs undergoing tibial-plateau-levelling-osteotomy (TPLO) surgery. This study was developed in two phases: identification of an ultrasound window in the inguinal region for obturator nerve block and utilization of it in dogs undergoing TPLO. Dogs were assigned randomly to one of two groups: one received the three blocks with 0.5% ropivacaine (ON group) and the second one (NoON group) with NaCl instead of ropivacaine for the obturator block. In phase 1, the obturator nerve was visible between the pectineus and the abductor muscles and was approached using an in-plane technique. It was possible to use the ultrasound window for phase two. The number of dogs that received at least one bolus of intraoperative rescue analgesia in the NoON group (12/15 dogs) was significantly higher (p = 0.003) in comparison with the ON group (4/15). An ultrasound window to block the obturator nerve in the inguinal compartment with an in-plane technique was found. The use of this approach could produce adequate analgesia with less motor function impairment in dogs for TPLO surgery.
摘要：
我们研究的目的是比较在接受胫骨平台水平截骨（TPLO）手术的狗中使用和不使用US引导的闭孔神经阻滞的坐骨和隐神经阻滞的疗效。这项研究分两个阶段进行：确定腹股沟区域的超声窗口以进行闭孔神经阻滞，并在接受TPLO的狗中利用它。狗被随机分配到两组中的一组：一组用0.5％罗哌卡因（ON组）接受三个阻滞，第二组（NoON组）用NaCl代替罗哌卡因进行闭孔阻滞。在第1阶段，在果胶和外展肌之间可见闭孔神经，并使用平面内技术进行了处理。可以将超声窗口用于第二阶段。与ON组（4/15）相比，NoON组（12/15只狗）接受至少一次术中抢救镇痛推注的狗的数量显着增加（p=0.003）。发现了一个超声窗口，可以通过平面内技术阻断腹股沟室的闭孔神经。使用这种方法可以在TPLO手术的狗中产生足够的镇痛作用，同时减少运动功能的损害。
