Clinical Characteristics of Patients with Palindromic Rheumatism: Is There any Difference Between Seronegative and Seropositive Patients?

Öz

Palindromic rheumatism (PR) is a clinical entity, which is characterized by remittent flares of pain, swelling and erythema around the joints that do not lead to persistent damage. In the literature, the frequencies of rheumatoid factor (RF) positivity and anti-cyclic citrullinated peptide (anti-CCP) antibody positivity have been reported as 39-68% in patients with PR. To our knowledge, studies investigating the comparison of clinical features of seronegative and seropositive patients are scarce. We aimed to assess demographic data and clinical characteristics of PR patients who followed in our clinic and to compare these features between seronegative and seropositive patients. The current study was designed as retrospective and cross-sectional. Thirty-one patients were screened and 21 patients who met the inclusion and exclusion criteria were included in the study. The median age, median follow-up duration, and median flare duration were 43 years, 18 months, and 3 days, respectively. Twelve patients were in seronegative group while 9 patients were in seropositive group. The median age was higher in seropositive patients than in seronegative patients (55 vs. 42 years, p=0.023). Even though the duration of flare and smoking cigarette were higher in seropositive group, there was not statistically significant difference between groups (4 vs. 2 days and 28.3 vs. 9.7 packs/years, respectively). Comorbidities were common in seronegative patients but there was not statistically significant difference between groups. Mean lymphocyte count was statistically significantly higher in seropositive group (p=0.037). In conclusion, the median age and mean lymphocyte count were higher in seropositive group than in seronegative group.

Anahtar Kelimeler

• Anti-cyclic citrullinated peptide
• rheumatoid factor
• rheumatoid arthritis
• palindromic rheumatism

Palindromik Romatizma Tanılı Hastaların Klinik Özellikleri: Seropozitif ve Seronegatif Hastalar Arasında Fark Var mı?

Öz

Palindromik romatizma (PR), eklemlerde kalıcı hasara neden olmaksızın alevlenmeler şeklinde ağrı, şişlik ve eritem ile karakterize klinik bir sendromdur. Literatürde, PR hastalarının %39-68’inde Romatoid faktör (RF) ve antisiklik sitrüline peptid (anti-CCP) antikor pozitifliği bulunmaktadır. Literatürde seropozitif ve seronegatif PR hastalarının klinik özelliklerini karşılaştıran çok az çalışma olup hala aydınlatılmamış birçok nokta vardır. Bu çalışmada kliniğimizde takipli PR tanılı hastaların demografik ve klinik özelliklerinin değerlendirilmesi, seropozitif ve seronegatif PR hastalarının karşılaştırılması planlandı. Çalışma retrospektif, kesitsel bir çalışma olarak tasarlandı. Otuz bir hasta tarandı ve dahil etme ve dışlama kriterlerini karşılayan 21 hasta çalışmaya alındı. Hastaların ortanca yaşı 43 yıl, ortanca takip süreleri 18 ay ve ortanca alevlenme süresi 3 gündü. Seronegatif grupta 12 hasta yer alırken seropozitif grupta 9 hasta mevcuttu. Seropozitif grubun ortanca yaş değeri daha yüksekti (55 yıl vs 42 yıl, p=0,023). Alevlenme süresi ve sigara içme süresi seropozitif grupta daha uzun olmasına rağmen istatistiksel olarak anlamlı bulunmadı (Sırasıyla, 4 gün vs 2 gün ve 28,3 paket/yıl vs 9,7 paket/yıl). Eşlik eden komorbideteler seronegatif hastalarda daha fazla olmasına rağmen istatistiksel olarak anlamlı değildi. Ortalama lenfosit değerleri ise seropozitif grupta anlamlı daha yüksekti (p=0,037). Sonuç olarak, seropozitif PR hastalarının ortanca yaşları negatif olan hastalara göre daha yüksek olduğu ve ortalama lenfosit değerlerinin seropozitif hastalarda daha yüksek olduğu bulundu.

Anahtar Kelimeler

• Antisiklik sitrüline peptid
• romatoid faktör
• romatoid artrit
• palindromik romatizma

Kaynakça

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