Daniel B C Reid1, Shyam A Patel2, Kalpit N Shah2, Benjamin H Shapiro3, Jack H Ruddell3, Edward Akelman2, Mark A Palumbo2, Alan H Daniels2. 1. Department of Orthopedic Surgery, Warren Alpert Medical School of Brown University, 2 Dudley St, Providence, RI, 02905, USA. Electronic address: daniel_b_reid@brown.edu. 2. Department of Orthopedic Surgery, Warren Alpert Medical School of Brown University, 2 Dudley St, Providence, RI, 02905, USA. 3. Warren Alpert Medical School of Brown University, 2 Dudley St, Providence, RI, 02905, USA.
Abstract
BACKGROUND CONTEXT: Since 2016, 35 of 50 US states have passed opioid-limiting laws. The impact on postoperative opioid prescribing and secondary outcomes following anterior cervical discectomy and fusion (ACDF) remains unknown. PURPOSE: To evaluate the effect of opioid-limiting regulations on postoperative opioid prescriptions, emergency department (ED) visits, unplanned readmissions, and reoperations following elective ACDF. STUDY DESIGN/ SETTING: Retrospective review of prospectively-collected data. PATIENT SAMPLE: Two hundred and eleven patients (101 pre-law, 110 post-law) undergoing primary elective 1-3 level ACDF during specified pre-law (December 1st, 2015-June 30th, 2016) and post-law (June 1st, 2017-December 31st, 2017) study periods were evaluated. METHODS: Demographic, medical, surgical, clinical, and pharmacological data was collected from all patients. Total morphine milligram equivalents (MMEs) filled was compared at 30-day postoperative intervals, before and after stratification by preoperative opioid-tolerance. Thirty- and 90-day ED visit, readmission, and reoperation rates were calculated. Independent predictors of increased 30-day and chronic (>90 day) opioid utilization were evaluated. RESULTS: Demographic, medical, and surgical factors were similar pre-law versus post-law (all p>.05). Post-law, ACDF patients received fewer opioids in their first postoperative prescription (26.65 vs. 62.08 pills, p<.001; 202.23 vs. 549.18 MMEs, p<.001) and in their first 30 postoperative days (cumulative 30-day MMEs 444.14 vs. 877.87, p<.001). Furthermore, post-law reductions in cumulative 30-day MMEs were seen among both opioid-naïve (363.54 vs. 632.20 MMEs, p<.001) and opioid-tolerant (730.08 vs. 1,122.90 MMEs, p=.022) patient populations. Increased 30-day opioid utilization was associated with surgery in the pre-law period, preoperative opioid exposure, preoperative benzodiazepine exposure, and number of levels fused (all p<.05). Chronic (>90 day) opioid requirements were associated with preoperative opioid exposure (odds ratio 4.42, p<.001) but not with pre/post-law status (p>.05). Pre- and post-law patients were similar in terms of 30- or 90-day ED visits, unplanned readmissions, and reoperations (all p>.05). CONCLUSIONS: Implementation of mandatory opioid prescribing limits effectively decreased 30-day postoperative opioid utilization following ACDF without a rebound increase in prescription refills, ED visits, unplanned hospital readmissions, or reoperations for pain.
BACKGROUND CONTEXT: Since 2016, 35 of 50 US states have passed opioid-limiting laws. The impact on postoperative opioid prescribing and secondary outcomes following anterior cervical discectomy and fusion (ACDF) remains unknown. PURPOSE: To evaluate the effect of opioid-limiting regulations on postoperative opioid prescriptions, emergency department (ED) visits, unplanned readmissions, and reoperations following elective ACDF. STUDY DESIGN/ SETTING: Retrospective review of prospectively-collected data. PATIENT SAMPLE: Two hundred and eleven patients (101 pre-law, 110 post-law) undergoing primary elective 1-3 level ACDF during specified pre-law (December 1st, 2015-June 30th, 2016) and post-law (June 1st, 2017-December 31st, 2017) study periods were evaluated. METHODS: Demographic, medical, surgical, clinical, and pharmacological data was collected from all patients. Total morphine milligram equivalents (MMEs) filled was compared at 30-day postoperative intervals, before and after stratification by preoperative opioid-tolerance. Thirty- and 90-day ED visit, readmission, and reoperation rates were calculated. Independent predictors of increased 30-day and chronic (>90 day) opioid utilization were evaluated. RESULTS: Demographic, medical, and surgical factors were similar pre-law versus post-law (all p>.05). Post-law, ACDFpatients received fewer opioids in their first postoperative prescription (26.65 vs. 62.08 pills, p<.001; 202.23 vs. 549.18 MMEs, p<.001) and in their first 30 postoperative days (cumulative 30-day MMEs 444.14 vs. 877.87, p<.001). Furthermore, post-law reductions in cumulative 30-day MMEs were seen among both opioid-naïve (363.54 vs. 632.20 MMEs, p<.001) and opioid-tolerant (730.08 vs. 1,122.90 MMEs, p=.022) patient populations. Increased 30-day opioid utilization was associated with surgery in the pre-law period, preoperative opioid exposure, preoperative benzodiazepine exposure, and number of levels fused (all p<.05). Chronic (>90 day) opioid requirements were associated with preoperative opioid exposure (odds ratio 4.42, p<.001) but not with pre/post-law status (p>.05). Pre- and post-law patients were similar in terms of 30- or 90-day ED visits, unplanned readmissions, and reoperations (all p>.05). CONCLUSIONS: Implementation of mandatory opioid prescribing limits effectively decreased 30-day postoperative opioid utilization following ACDF without a rebound increase in prescription refills, ED visits, unplanned hospital readmissions, or reoperations for pain.
Authors: Amy E Seitz; Karen A Janiszewski; Gery P Guy; Ryan T Tapscott; Emily B Einstein; Tamra E Meyer; Jessica Tierney; Judy Staffa; Christopher M Jones; Wilson M Compton Journal: Pharmacoepidemiol Drug Saf Date: 2022-03-17 Impact factor: 2.732
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