Brittney H Cotta1, Vi Nguyen1, Roger L Sur1, Seth K Bechis2. 1. Department of Urology, UC San Diego Health, San Diego, CA, USA. 2. Department of Urology, UC San Diego Health, San Diego, CA, USA. sbechis@ucsd.edu.
Abstract
PURPOSE: Patients presenting with acute renal colic may be at risk of opiate abuse. We sought to analyze prescribing patterns and identify risk factors associated with prolonged opiate use during episodes of acute renal colic. METHODS: Retrospective study of patients presenting with both a stone confirmed on imaging and an acute pain episode from 6/2017-2/2020. Opiate prescription data was obtained from a statewide prescribing database. Primary outcome was an opiate refill or new opiate prescription prior to resolution of the stone episode (either passage or surgery). Univariate and multivariate linear regression analysis was performed. RESULTS: A total of 271 patients met inclusion criteria. Mean age was 52 years and 48% had a history of nephrolithiasis. 180 (66%) patients filled a new opiate prescription during their acute stone episode. Thirty-eight (14%) patients had an existing opiate prescription within 3 months of their stone episode. Seventy-four (27%) patients refilled an opiate prescription prior to stone passage or surgery. Larger stone size, need for surgery, prolonged time to treatment, existing opiate prescription, new opiate prescription at presentation, and greater initial number of pills prescribed were associated with increased risk of requiring a refill prior to stone resolution. CONCLUSIONS: Patients prescribed new opiates for acute nephrolithiasis and those with an existing opioid prescription are likely to require refills before resolution of the stone episode. Larger stones that require surgery (not spontaneous passage) also increase the risk. Timely treatment of these patients and initial treatment with non-narcotics may reduce the risk of prolonged opiate use.
PURPOSE:Patients presenting with acute renal colic may be at risk of opiate abuse. We sought to analyze prescribing patterns and identify risk factors associated with prolonged opiate use during episodes of acute renal colic. METHODS: Retrospective study of patients presenting with both a stone confirmed on imaging and an acute pain episode from 6/2017-2/2020. Opiate prescription data was obtained from a statewide prescribing database. Primary outcome was an opiate refill or new opiate prescription prior to resolution of the stone episode (either passage or surgery). Univariate and multivariate linear regression analysis was performed. RESULTS: A total of 271 patients met inclusion criteria. Mean age was 52 years and 48% had a history of nephrolithiasis. 180 (66%) patients filled a new opiate prescription during their acute stone episode. Thirty-eight (14%) patients had an existing opiate prescription within 3 months of their stone episode. Seventy-four (27%) patients refilled an opiate prescription prior to stone passage or surgery. Larger stone size, need for surgery, prolonged time to treatment, existing opiate prescription, new opiate prescription at presentation, and greater initial number of pills prescribed were associated with increased risk of requiring a refill prior to stone resolution. CONCLUSIONS:Patients prescribed new opiates for acute nephrolithiasis and those with an existing opioid prescription are likely to require refills before resolution of the stone episode. Larger stones that require surgery (not spontaneous passage) also increase the risk. Timely treatment of these patients and initial treatment with non-narcotics may reduce the risk of prolonged opiate use.
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