Abstract
BACKGROUND: Abdominal aortic aneurysm (AAA) repair often involves significant postoperative pain, traditionally managed with systemic opioids, which can cause undesirable side effects. This case report explores the novel use of a surgically-initiated rectus sheath block with a catheter-over-needle assembly for pain management in AAA repair. CASE SUMMARY: A 67-year-old female with hypertension and previous aortic dissection underwent elective open repair of an infrarenal AAA, which had grown from 3.4 cm to 4.3 cm over 14 months. A rectus sheath block was initiated surgically for postoperative pain control. The patient reported low pain scores and did not require systemic intravenous opioids, enabling early ambulation and discharge on postoperative day seven without complications. By preventing complications of systemic opioids, the method indicating a promising direction for postoperative pain management in major vascular surgeries. CONCLUSION: Surgically-initiated rectus sheath block as a valuable tool for managing postoperative pain in AAA repair.