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Chest pain in children with familial Mediterranean fever
Emine Nur Sunar-Yayla1, Pelin Esmeray Şenol1, Deniz Gezgin Yıldırım1
1Division of Pediatric Rheumatology, Department of Pediatrics, Faculty of Medicine, Gazi University, Ankara, Türkiye.
Background:
Familial Mediterranean fever (FMF) is the most common and autosomal recessive inherited autoinflammatory disease. The most common signs and symptoms are fever, abdominal pain, chest pain, and arthritis. The aim of this study was to describe the clinical, laboratory and genetic differences between pediatric FMF patients with and without chest pain.
Methods:
Between January 2006 and January 2022, 1134 patients with FMF were analyzed retrospectively. Patients were divided into two groups including those with and without recurrent chest pain. These groups were compared in demographic, clinical, treatment, and MEFV gene analyses.
Results:
A hundred and sixty-two (14.3%) patients had recurrent chest pain. In patients with recurrent chest pain, the age of onset of symptoms was younger (p=0.003), and the family history of FMF was higher (p=0.002). Patients with chest pain had a higher annual attack frequency (p < 0.001), a longer attack duration (p < 0.001), and higher Pras disease activity scores (p < 0.001). The colchicine dose used in the treatment was higher in FMF patients with chest pain (p=0.005), and anti-IL-1treatment was higher (p < 0.001). M694V homozygous mutation was found more frequently (p=0.001), whereas M694V/V726A mutation was found less frequently in patients with recurrent chest pain (p=0.017).
Conclusions:
Patients with recurrent chest pain seem to have early onset symptoms, often are more likely to have family history, and have a higher disease severity. In addition, the presence of homozygous M694V mutation is more common in patients with chest pain.
Insights
Familial Mediterranean fever (FMF) patients with chest pain experience earlier symptom onset and increased disease severity. The M694V homozygous mutation is more prevalent in these individuals, indicating distinct clinical and genetic profiles.
Area of Science:
- Genetics
- Immunology
- Pediatrics
Background:
- Familial Mediterranean fever (FMF) is an autoinflammatory disease.
- Common symptoms include fever, abdominal pain, chest pain, and arthritis.
- FMF is inherited in an autosomal recessive pattern.
Purpose of the Study:
- To compare pediatric FMF patients with and without chest pain.
- To identify clinical, laboratory, and genetic differences.
- To understand the impact of chest pain on FMF presentation.
Main Methods:
- Retrospective analysis of 1134 FMF patients (2006-2022).
- Patients divided into groups with and without recurrent chest pain.
- Comparison of demographic, clinical, treatment, and MEFV gene data.
Main Results:
- 14.3% of patients experienced recurrent chest pain.
- Chest pain group had younger age of onset, higher FMF family history, and increased attack frequency/duration.
- Higher Pras disease activity scores, colchicine/anti-IL-1 treatment doses, and M694V homozygous mutations were observed in the chest pain group.
Conclusions:
- Recurrent chest pain in FMF is associated with earlier onset and greater disease severity.
- Patients with chest pain are more likely to have a family history of FMF.
- Homozygous M694V mutation is more common in FMF patients with chest pain.
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