• Michael James, Richard A Bentley, Jonathan Womack, and Ben A Goodman.
• Department of Anaesthesia, Royal Victoria Infirmary, Newcastle upon Tyne, UK.
• Can J Anaesth. 2022 Sep 1; 69 (9): 113911501139-1150.

PurposePeripheral nerve blocks improve analgesia following hip fracture; however, there are little published data on safety and outcomes of continuous regional anesthetic techniques. Our institution offers pre- and perioperative, anesthesiologist-delivered ultrasound-guided suprainguinal fascia iliaca catheters (FICs) to patients with hip fracture. We aimed to document the safety profile of this technique and establish whether there are any significant clinical benefits in outcomes measured by the UK National Hip Fracture Database.MethodsWe performed a single-centre historical cohort study of 2,187 patients admitted to our institution with hip fracture over a 5.75-year period. Of these, 915 were treated with FIC and 1,272 received standard care (single-shot block). To control for baseline differences between these two cohorts, we used propensity score matching and exact matching, resulting in two well-matched groups of 728 patients treated with an FIC and standard care.ResultsNo serious complications were observed as a result of an FIC. Unplanned removal occurred in 146/852 (17.1%) patients with documented data. No differences in 30-day mortality, pressure ulcer rates, or hospital length of stay were observed between the matched groups. The percentage of patients who were discharged to their usual residence was 79.3% in the FIC cohort vs 75.1% in the standard care cohort (difference, 4.2%; 95% confidence interval, -0.1 to 8.4; P = 0.06).DiscussionOur single-centre propensity-matched historical cohort study suggests that ultrasound-guided suprainguinal fascia iliaca catheterization is a safe technique for patients with hip fracture and that our service is deliverable and sustainable within the UK's National Health Service. This study did not show statistically significant differences in outcomes between patients treated with FIC and standard care. An adequately powered multicentre randomized controlled trial comparing these approaches is warranted.© 2022. Canadian Anesthesiologists' Society.

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