Characteristics of Siblings with Familial Mediterranean Fever: A Single-Center Experience

Objective: Familial Mediterranean fever (FMF) is a hereditary, autoinflammatory disease. The characteristics of siblings with FMF have not been described in large cohorts up to now. This study aimed to examine the features of siblings with FMF. Materials and Methods: This was a retrospective, cro...

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Main Authors: Elif Arslanoglu Aydin, Esra Baglan, İlknur Bagrul, Emine Nur Sunar Yayla, Nesibe Gokce Kocamaz, Semanur Ozdel
Format: Article
Language:English
Published: AVES Yayincilik 2025-01-01
Series:Turkish Archives of Pediatrics
Online Access:https://www.turkarchpediatr.org/en/characteristics-of-siblings-with-familial-mediterranean-fever-a-single-center-experience-131732
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author Elif Arslanoglu Aydin
Esra Baglan
İlknur Bagrul
Emine Nur Sunar Yayla
Nesibe Gokce Kocamaz
Semanur Ozdel
author_facet Elif Arslanoglu Aydin
Esra Baglan
İlknur Bagrul
Emine Nur Sunar Yayla
Nesibe Gokce Kocamaz
Semanur Ozdel
author_sort Elif Arslanoglu Aydin
collection DOAJ
description Objective: Familial Mediterranean fever (FMF) is a hereditary, autoinflammatory disease. The characteristics of siblings with FMF have not been described in large cohorts up to now. This study aimed to examine the features of siblings with FMF. Materials and Methods: This was a retrospective, cross-sectional study. Patients were divided into 2 groups according to the time of diagnosis (group I, the child diagnosed first in the family, and group II, the sibling diagnosed later). Results: A total of 143 siblings (65 families) with FMF were included in the study. Seventy-two percent of the patients had the same genetic mutation as their siblings. Despite having the same genetic mutation, 59% of the patients had different attack symptoms from their siblings. In 56% of the patients, the Pras disease severity score and in 45% of the patients, the response to colchicine treatment differed from their siblings with the same mutation. Fever and abdominal pain were statistically significantly more frequent in group I than in group II (P = .032). The age of disease onset in group I was statistically lower than in group II (P = .031). Genetic mutations, attack symptoms, and colchicine response were the same in twin pairs. The age of disease onset and age at diagnosis were also the same in half of the twin pairs. Conclusion: Parents of children diagnosed with FMF should be informed of all the symptoms of FMF disease and that siblings may present with different clinical findings.
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spelling doaj-art-1990df2912654a7793b2c6f66aef24732025-01-13T08:36:27ZengAVES YayincilikTurkish Archives of Pediatrics2757-62562025-01-01601576210.5152/TurkArchPediatr.2025.24210Characteristics of Siblings with Familial Mediterranean Fever: A Single-Center ExperienceElif Arslanoglu Aydin 0Esra Baglan1İlknur Bagrul2Emine Nur Sunar Yayla3Nesibe Gokce Kocamaz 4Semanur Ozdel5Department of Pediatric Rheumatology, Ankara Etlik City Hospital, Ankara, TürkiyeDepartment of Pediatric Rheumatology, Ankara Etlik City Hospital, Ankara, TürkiyeDepartment of Pediatric Rheumatology, Ankara Etlik City Hospital, Ankara, TürkiyeDepartment of Pediatric Rheumatology, Ankara Etlik City Hospital, Ankara, TürkiyeDepartment of Pediatric Rheumatology, Ankara Etlik City Hospital, Ankara, TürkiyeDepartment of Pediatric Rheumatology, Ankara Etlik City Hospital, Ankara, TürkiyeObjective: Familial Mediterranean fever (FMF) is a hereditary, autoinflammatory disease. The characteristics of siblings with FMF have not been described in large cohorts up to now. This study aimed to examine the features of siblings with FMF. Materials and Methods: This was a retrospective, cross-sectional study. Patients were divided into 2 groups according to the time of diagnosis (group I, the child diagnosed first in the family, and group II, the sibling diagnosed later). Results: A total of 143 siblings (65 families) with FMF were included in the study. Seventy-two percent of the patients had the same genetic mutation as their siblings. Despite having the same genetic mutation, 59% of the patients had different attack symptoms from their siblings. In 56% of the patients, the Pras disease severity score and in 45% of the patients, the response to colchicine treatment differed from their siblings with the same mutation. Fever and abdominal pain were statistically significantly more frequent in group I than in group II (P = .032). The age of disease onset in group I was statistically lower than in group II (P = .031). Genetic mutations, attack symptoms, and colchicine response were the same in twin pairs. The age of disease onset and age at diagnosis were also the same in half of the twin pairs. Conclusion: Parents of children diagnosed with FMF should be informed of all the symptoms of FMF disease and that siblings may present with different clinical findings.https://www.turkarchpediatr.org/en/characteristics-of-siblings-with-familial-mediterranean-fever-a-single-center-experience-131732
spellingShingle Elif Arslanoglu Aydin
Esra Baglan
İlknur Bagrul
Emine Nur Sunar Yayla
Nesibe Gokce Kocamaz
Semanur Ozdel
Characteristics of Siblings with Familial Mediterranean Fever: A Single-Center Experience
Turkish Archives of Pediatrics
title Characteristics of Siblings with Familial Mediterranean Fever: A Single-Center Experience
title_full Characteristics of Siblings with Familial Mediterranean Fever: A Single-Center Experience
title_fullStr Characteristics of Siblings with Familial Mediterranean Fever: A Single-Center Experience
title_full_unstemmed Characteristics of Siblings with Familial Mediterranean Fever: A Single-Center Experience
title_short Characteristics of Siblings with Familial Mediterranean Fever: A Single-Center Experience
title_sort characteristics of siblings with familial mediterranean fever a single center experience
url https://www.turkarchpediatr.org/en/characteristics-of-siblings-with-familial-mediterranean-fever-a-single-center-experience-131732
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