Normal arterial stiffness in familial Mediterranean fever. Evidence for a possible cardiovascular protective role of colchicine

Olga Kukuy, Avi Livneh, Liran Mendel, Ariel Benor, Eitan Giat, Oleg Perski, Olga Feld, Yonatan Kassel, Ilan Ben-Zvi, Merav Lidar, Eliezer J. Holtzman, Adi Leiba

Research output: Contribution to journalArticlepeer-review

Abstract

Objective. Familial Mediterranean fever (FMF) is an autoinflammatory disorder with episodic and persistent inflammation, which is only partially suppressed by continuous colchicine treatment. While chronic inflammation is considered an important cardiovascular risk factor in many inflammatory disorders, its impact in FMF is still disputed. We measured arterial stiffness, a marker of atherosclerotic cardiovascular disease, in a group of FMF patients, in order to evaluate the cardiovascular consequences of inflammation in FMF and the role of colchicine in their development. Methods. Eighty colchicine treated FMF patients, without known traditional cardiovascular risk factors, were randomly enrolled in the study. Demographic, genetic, clinical and laboratory data were retrieved from patient files and examinations. Arterial stiffness was measured using pulse wave velocity (PWV). The recorded values of PWV were compared with those of an age and blood pressure adjusted normal population, using internationally endorsed values. Results. FMF patients displayed normal PWV values, with an even smaller than expected proportion of patients deviating from the 90th percentile of the reference population (5% vs. 10%, p=0.02). The lowest PWV values were recorded in patients receiving the highest dose of colchicine (≥2 mg vs. 0-1 mg, p=0.038), and in patients of North African Jewish origin, whose disease was typically more severe than that of patients of other ethnicities; both observations supporting an ameliorating colchicine effect (p=0.043). Conclusion. Though subjected to chronic inflammation, colchicine treated FMF patients have normal PWV. Our findings provide direct evidence for a cardiovascular protective role of colchicine in FMF.

Original languageEnglish
Pages (from-to)S32-S37
JournalClinical and Experimental Rheumatology
Volume35
StatePublished - 2017

Keywords

  • Arterial stiffness
  • Cardioprotection
  • Cardiovascular risk factors
  • Colchicine
  • Familial Mediterranean fever
  • Inflammation
  • Ischaemic cardiovascular disease
  • Pulse wave velocity

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