Anatomic changes in the inguinal region after hip arthroscopy: Implications for femoral nerve block
Department of Anesthesiology, University of Utah, 30 N. 1900 East, 3C444, Salt Lake City, UT 84132, USA. Electronic address: .Journal of clinical anesthesia (Impact Factor: 1.19). 11/2012; 24(7):590-2. DOI: 10.1016/j.jclinane.2012.04.004
Patients may experience significant pain after hip arthroscopy. Two patients who experienced severe pain after arthroscopic hip surgery, despite receiving multimodal pharmacologic therapy, are presented. In both cases, ultrasound-guided femoral nerve block provided excellent analgesia. However, during ultrasound, significant anatomic changes were noted in the inguinal region. In this report, we describe anatomic changes in the inguinal region that are visible with ultrasound after hip arthroscopy.
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ABSTRACT: To determine whether patients with higher levels of preoperative psychological distress more frequently use a postoperative fascia iliaca nerve block for pain control after hip arthroscopy, and to determine whether a fascia iliaca nerve block is an effective adjunct to multimodal oral and intravenous analgesia after hip arthroscopy. One hundred seven patients undergoing hip arthroscopy were prospectively enrolled. Before surgery, patients were administered the Distress Risk Assessment Method questionnaire to quantify their level of preoperative psychological distress. Postoperatively, patients with pain inadequately controlled by multimodal oral and intravenous analgesics could request and receive a fascia iliaca nerve block. Pain scores, opioid consumption, time in the post-anesthesia care unit (PACU), and postoperative complications were recorded for all patients. Patients with normal Distress Risk Assessment Method scores requested fascia iliaca nerve blocks approximately half as frequently (18 of 50 [36%]) as patients in the at-risk category (28 of 47 [60%]) or distressed category (7 of 10 [70%]) (P = .02). Patients with high levels of distress also received 40% more intraoperative opioid than patients with normal scores (P = .04). In the study population as a whole, patients who received a fascia iliaca nerve block (n = 53) had a higher initial visual analog scale (VAS) pain score in the PACU (7.2 ± 0.3 v 5.5 ± 0.4, P = .001) and showed greater improvement in the VAS pain score by PACU discharge (-4.3 ± 0.2 v -2.1 ± 0.3, P ≤ .0001) compared with patients who did not receive a block (n = 54). Patients with higher levels of preoperative psychological distress more frequently requested a postoperative nerve block to achieve adequate pain control after hip arthroscopy. Patients receiving a block had greater improvement in VAS pain scores compared with patients managed with oral and intravenous analgesics alone. Level IV, case series.
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ABSTRACT: Objectives: : Arthroscopy has become a standard method of treatment for a variety of intra-articular hip pathologies. While most arthroscopic hip procedures are performed as day-surgeries, patients can still experience significant post-operative pain and opioid-associated side-effects. Our group has shown the potential benefits of preoperative femoral nerve block (FNB) in a previous retrospective review. It was our objective to confirm these findings in a prospective study.
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