Associations of pre-transplant prescription narcotic use with clinical complications after kidney transplantation

Krista L. Lentine, Ngan N. Lam, Huiling Xiao, Janet E. Tuttle-Newhall, David Axelrod, Daniel C. Brennan, Vikas R. Dharnidharka, Hui Yuan, Mustafa Nazzal, Jie Zheng, Mark A. Schnitzler

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24 Scopus citations

Abstract

Background: The impact of narcotic use before kidney transplantation on post-transplant clinical outcomes is not well described. Methods: We examined integrated national transplant registry, pharmacy records, and Medicare billing claims to follow 16,322 kidney transplant recipients, of whom 28.3% filled a narcotic prescription in the year before transplantation. Opioid analgesic fills were normalized to morphine equivalents (ME) and expressed as mg/kg exposures (approximate quartiles: 0.1-1.7, 1.8-5.4, 5.5-23.7, and ≥23.8 mg/kg, respectively). Post-transplant cardiovascular, respiratory, neurological, accidents, substance abuse, and noncompliance events were identified using diagnosis codes on Medicare billing claims. Adjusted associations of ME level with post-transplant complications were quantified by multivariate Cox regression. Results: The incidence of complications at 3 years post-transplant among those with the highest pre-transplant ME exposure compared to no use included: ventricular arrhythmias, 1.1 vs. 0.2% (p < 0.001); cardiac arrest, 4.7 vs. 2.7% (p < 0.05); hypotension, 14 vs. 8% (p < 0.0001); hypercapnia, 1.6 vs. 0.9% (p < 0.05); mental status changes, 5.3 vs. 2.7% (p < 0.001); drug abuse/dependence, 7.0 vs. 1.7% (p < 0.0001); alcohol abuse, 1.8 vs. 0.6% (p = 0.0001); accidents, 0.9 vs. 0.3% (p < 0.05); and noncompliance, 3.5 vs. 2.3% (p < 0.05). In multivariate analyses, transplant recipients with the highest level of pre-transplant narcotic use had approximately 2 to 4 times the risks of post-transplant ventricular arrhythmias, mental status changes, drug abuse, alcohol abuse, and accidents compared with non-users, and 35-45% higher risks of cardiac arrest and hypotension. Conclusion: Although associations may reflect underlying conditions or behaviors, high-level prescription narcotic use before kidney transplantation predicts increased risk of clinical complications after transplantation.

Original languageEnglish
Pages (from-to)165-176
Number of pages12
JournalAmerican Journal of Nephrology
Volume41
Issue number2
DOIs
StatePublished - Apr 24 2015

Keywords

  • Complications
  • Kidney transplantation
  • Opioid analgesics
  • Outcomes assessment
  • Pharmacy claims
  • Registries

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    Lentine, K. L., Lam, N. N., Xiao, H., Tuttle-Newhall, J. E., Axelrod, D., Brennan, D. C., Dharnidharka, V. R., Yuan, H., Nazzal, M., Zheng, J., & Schnitzler, M. A. (2015). Associations of pre-transplant prescription narcotic use with clinical complications after kidney transplantation. American Journal of Nephrology, 41(2), 165-176. https://doi.org/10.1159/000377685