Document Detail

Familial Mediterranean fever in children presenting with attacks of fever alone.
MedLine Citation:
PMID:  20194447     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: Familial Mediterranean fever (FMF) is an inherited disease characterized by attacks of febrile polyserositis. In children, attacks of fever alone, or with headache and malaise, may precede other forms of attacks. Our objective was clinical and genetic characterization of FMF and its development in pediatric patients who first presented with attacks of fever alone. METHODS: Clinical characterization and MEFV genotype of all FMF patients < 16 years of age at disease onset and first presenting with attacks of fever alone were analyzed and compared for age, sex, and disease duration with matched FMF patients presenting with serositis at the onset of the disease. RESULTS: There were 814 patients with FMF in our registry. Fifty patients formed the study group and 234 patients the control group. In the study group, the first (febrile) attacks appeared at a younger age than in the control group (1.7 +/- 1.6 yrs vs 5.0 +/- 4.1 yrs, respectively; p < 0.0001), diagnosis was made earlier (4.2 +/- 2.7 yrs vs 6.7 +/- 4.1 yrs; p < 0.0001), despite a trend for a longer delay in diagnosis. In the study group, attacks were shorter (1.6 +/- 0.8 days vs 2.1 +/- 1.0 days; p = 0.023) and homozygosity to the M694V mutation was more prevalent (46% vs 31%; p = 0.03). Attack rate, colchicine dose, and the MEFV mutation carrier rates were comparable between the groups. In 40/50 (80%) of the patients with fever alone, serositis had developed over a course of 2.9 +/- 2.2 years after disease onset. CONCLUSION: FMF in young children may begin with attacks of fever alone, but it progresses to typical FMF disease over the next 2.9 +/- 2.2 years. Our study demonstrates that clinical heterogeneity at presentation is more likely to indicate a feature of a disease in development, rather than to mark distinct phenotypes of FMF.
Shai Padeh; Avi Livneh; Elon Pras; Yael Shinar; Merav Lidar; Olga Feld; Yackov Berkun
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Publication Detail:
Type:  Journal Article     Date:  2010-03-01
Journal Detail:
Title:  The Journal of rheumatology     Volume:  37     ISSN:  0315-162X     ISO Abbreviation:  J. Rheumatol.     Publication Date:  2010 Apr 
Date Detail:
Created Date:  2010-04-02     Completed Date:  2010-06-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7501984     Medline TA:  J Rheumatol     Country:  Canada    
Other Details:
Languages:  eng     Pagination:  865-9     Citation Subset:  IM    
Department of Pediatrics A, Edmond and Lily Safra Children's Hospital, Sheba Medical Center, Tel Hashomer, Israel.
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MeSH Terms
Age of Onset
Child, Preschool
Disease Progression*
Familial Mediterranean Fever / diagnosis*,  genetics
Fever / diagnosis*,  genetics
Genetic Predisposition to Disease
Jews / genetics

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