ABSTRACT

Objectives

Persistent inflammation is an insidious feature of familial Mediterranean fever (FMF) that may cause chronic complications. This study aimed to investigate the predictors of persistent inflammation in children with FMF.

Methods

The medical charts of 1077 paediatric FMF patients were retrospectively collected. The patients were divided into two groups: with and without subclinical inflammation.

Results

A total of 133 (12%) patients had persistent inflammation. M694V homozygosity, colchicine resistance, positive family history for FMF, erysipelas-like erythema, leg pain, arthritis, chest pain, inflammatory comorbidities, early disease onset, high PRAS score, and long attack duration were established as independent predictors of persistent inflammation (P < .001, P < .001, P < .001, P < .001, P = 0.006, P < .001, P < .001, P = .014, P < .001, P < .001, and P < .001, respectively). However, gender, abdominal pain, fever, and attack frequency were not found to be independent risk factors for predicting persistent inflammation (P = .412, P = .531, P = .451, and P = .693, respectively).

Conclusions

M694V homozygosity, colchicine resistance, positive family history, erysipelas-like erythema, leg pain, arthritis, chest pain, inflammatory comorbidities, early disease onset, high activity score, and long attack duration may be predictors of persistent inflammation in FMF. These predictors may help clinicians suspect the occurrence of subclinical inflammation and should aid in better disease management in FMF.

This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model (https://dbpia.nl.go.kr/journals/pages/open_access/funder_policies/chorus/standard_publication_model)
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