Cerebrovascular events in 20 years of follow-up after liver transplantation: an underestimated issue?

Clin Transplant. 2016 Oct;30(10):1276-1282. doi: 10.1111/ctr.12819. Epub 2016 Aug 17.

Abstract

Background: Cardio- and cerebrovascular diseases are the third leading cause of late death after liver transplantation (LT). A new score (PROCAM-Stroke) has been established to estimate the 10-year risk of cerebrovascular events (CBVE) in a German standard population. We evaluate the applicability of the PROCAM-Stroke for long-term follow-up after LT.

Patients and methods: A retrospective study of 313 consecutive LTs was conducted. Six months after LT (T1) and 10 years after LT (T2), CBVE risk factors were recorded and PROCAM-Stroke was calculated. Ten (T2) and 20 years (T3) after LT, recipients were screened regarding CBVE. PROCAM-Stroke estimates of CBVE were compared with the incidence of observed CBVE.

Results: In both 10-year time frames, the incidence of observed CBVE was higher than expected based on the PROCAM-Stroke estimates: 6 months-10 years after LT (T1-T2): observed: 11, expected: 3.2; 10 years-20 years after LT (T2-T3): observed: 7, expected: 3.4.

Conclusion: LT recipients seem to have a considerably increased risk of CBVE. Long-term surveillance should take this into account, and screening may be extended accordingly. The progressive impairment of renal function in the long-term LT survivors may be one reason for the underestimation of CBVE in this patient group.

Keywords: cerebrovascular events; cerebrovascular risk; liver transplantation; long-term follow-up; stroke.

MeSH terms

  • Adult
  • Aged
  • Cerebrovascular Disorders / diagnosis*
  • Cerebrovascular Disorders / epidemiology
  • Cerebrovascular Disorders / etiology
  • Decision Support Techniques*
  • Female
  • Follow-Up Studies
  • Health Status Indicators*
  • Humans
  • Incidence
  • Liver Transplantation*
  • Male
  • Middle Aged
  • Postoperative Complications / diagnosis*
  • Postoperative Complications / epidemiology
  • Postoperative Complications / etiology
  • Prognosis
  • Retrospective Studies
  • Risk Assessment
  • Risk Factors
  • Stroke / diagnosis
  • Stroke / epidemiology
  • Stroke / etiology