| Summary: | Category: Arthroscopy; Ankle; Sports; Other Introduction/Purpose: Opioids can be an important tool in the management of postoperative pain, however, increased prescribing of these medications following orthopaedic procedures has significantly contributed to the current opioid crisis. Post- operative opioid utilization and duration varies greatly among surgeons, procedures, and patients. We sought to investigate patterns of opioid prescription following ankle arthroscopy and determine patient factors associated with increased postoperative opioid prescribing. Methods: A national claims-based database was queried for patients undergoing first-time ankle arthroscopy. Only patients with continuous database inclusion for at least one year prior to and one year after index ankle arthroscopy were included. Patients carrying an International Classification of Diseases (ICD)-9 or ICD-10 code(s) for diagnosis of septic ankle joint or a CPT code for total ankle arthroplasty prior to index ankle arthroscopy were excluded from the study. Patients who filled at least 1 opioid prescription between 1 and 4 months prior to surgery were defined as preoperative opioid-use group. Monthly relative risk ratios for filling an opioid prescription were calculated for the first year after surgery. Multiple logistic regression analysis was performed to identify factors associated with opioid prescription refills at 3, 6, 9, and 12 months after ankle arthroscopy. For analysis, P<0.05 was defined as significant. Results: We identified 6,039 patients who underwent primary ankle arthroscopy. The preoperative opioid-use group consisted of 1,514 patients (25.1%), of which 24 (1.6%) filled opioid prescriptions at 6 months postoperatively compared to 39 (0.9%) of opioid-naive patients (relative risk [RR], 1.84 95% confidence interval [CI], 1.11-3.05). Multivariate analysis determined that the preoperative opioid-use group was at increased risk of filling prescriptions at 3 (odds ratio [OR], 2.22; 95% CI 1.42-3.48) and 6 months (OR, 1.74; 95% CI, 1.01-2.95) postoperatively. Patients with Body Mass Index (BMI) > 30 were also at increased risk at 3 months (OR, 1.65; 95% CI, 1.04-2.62) and 6 months (OR, 2.01; 95% CI, 1.17-3.49) postoperatively. Comorbidities such as diabetes, hypertension, fibromyalgia, alcohol, and tobacco abuse were not associated with opioid filling (P>0.05). Conclusion: Preoperative opioid prescription filling and BMI 30 were associated with an increased risk of extended opioid prescription utilization following ankle arthroscopy. Overall, prolonged opioid prescribing was not widespread in either group postoperatively. This may represent the indications and outcomes of ankle arthroscopy. Patients presenting with preoperative opioid-use and increased BMI may benefit from multimodal pain management and additional perioperative education around non- pharmacologic pain-management strategies to decrease risk of prolonged opioid use.
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