Effect of age on lipid profiles in pediatric heart transplant recipients

Aimee K Armstrong1, Caren S Goldberg, Dennis C Crowley

  • 1Division of Pediatric Cardiology, Department of Pediatrics and Communicable Diseases, University of Michigan Health System, Ann Arbor, MI 48109, USA. aimeearm@umich.edu

Insights

Pediatric heart transplant recipients commonly develop hyperlipidemia, with elevated cholesterol and LDL levels across all age groups. Immunosuppressants like cyclosporine and prednisone worsened lipid profiles, while statins effectively lowered them.

Area of Science:

  • Cardiology
  • Pediatric Transplant Medicine
  • Pharmacology

Background:

  • Hyperlipidemia is a concern in pediatric orthotopic heart transplant (OHT) recipients.
  • Understanding the impact of immunosuppressive agents on lipid profiles is crucial.

Purpose of the Study:

  • To determine the prevalence of hyperlipidemia in pediatric OHT recipients of all ages.
  • To assess the effects of immunosuppressive drugs and statins on lipid profiles in these patients.

Main Methods:

  • Retrospective chart review of pediatric patients who underwent OHT between 1987 and 2002.
  • Analysis of lipid profiles and association with immunosuppressive agents and statin use.
  • Patients grouped by age at OHT: 0-4, 5-9, 10-14, and 15-18 years.

Main Results:

  • Pediatric OHT recipients showed significantly higher total cholesterol and LDL levels compared to the general population.
  • Cyclosporine and prednisone were positively associated with increased total cholesterol and LDL.
  • Statins demonstrated a significant reduction in total cholesterol and LDL levels (p < 0.001).

Conclusions:

  • Hyperlipidemia is prevalent in pediatric OHT patients across all age groups.
  • Alternative immunosuppression (e.g., tacrolimus) and steroid-free regimens may improve lipid profiles.
  • Statins show promise for managing hyperlipidemia in all pediatric OHT age groups.

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