Practices and Outcomes Associated With Sublingual Buprenorphine Use in a Critically Ill Population

Author:

Vanini Denis J.1,Corvelli Jenna M.1,Maynard Kaylee M.1,Rappaport Stephen H.1,Grasso Gina1,Jones Raquel1,Acquisto Nicole M.12,Schult Rachel F.12

Affiliation:

1. Department of Pharmacy, University of Rochester Medical Center, Rochester, NY.

2. Department of Emergency Medicine, University of Rochester Medical Center, Rochester, NY.

Abstract

IMPORTANCE: Buprenorphine for opioid use disorder (OUD) is commonly used in the outpatient setting with increasing use in hospitalized patients. However, there is limited literature describing its use in critically ill populations. OBJECTIVES: The primary objective was to report the practices of buprenorphine prescribing among ICU teams. We also assessed the effect of a novel initiation strategy on opioid requirements in the ICU and the incidence of precipitated withdrawal. DESIGN, SETTING, PARTICIPANTS: Single-center, retrospective, descriptive study of patients receiving buprenorphine in the ICU. MAIN OUTCOMES AND MEASURES: The main outcome was to describe the use of buprenorphine in ICU patients through indication, initiation strategy, dosing information, and time from ICU admission to the first dose. We also detailed the incidence of precipitated withdrawal overall and the difference in opioid requirements before and after a low-dose induction strategy (buprenorphine initiated while receiving full agonist opioids [5-d titration from 150 μg to 4 mg four times daily]). RESULTS: A total of 153 patients were included. Most patients (86.3%) received buprenorphine for treatment of OUD. Of the 75 patients taking buprenorphine before admission, 46 (61%) had it restarted within 24 hours of ICU admission. Among 95 patients requiring buprenorphine induction, 57 (60%) underwent standard induction and 38 (40%) underwent low-dose induction, with only one instance of precipitated withdrawal. Median morphine milligram equivalents (MMEs) of concomitant full agonist opioids in patients completing low-dose induction decreased from 1057.5 mg to 262.5 mg in the 24 hours before initiation compared with the 24 hours after target buprenorphine dose was reached (p < 0.005). CONCLUSIONS AND RELEVANCE: Use of sublingual buprenorphine was most often in patients with OUD. Timely continuation of home buprenorphine in the ICU was suboptimal. Both standard and low-dose induction strategies appear to be safe with a low risk of precipitating withdrawal. When implemented appropriately, low-dose buprenorphine induction may lead to significant reduction in full agonist opioids in critically ill patients.

Publisher

Ovid Technologies (Wolters Kluwer Health)

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