Does sacroiliitis is a mandatory criterion for enthesitis-related arthritis diagnosis? / ¿La sacroilitis es un criterio obligatorio para el diagnóstico de artritis relacionada con entesitis?

Introduction and objectives: Magnetic resonance imaging (MRI) sensitivity and specificity seem to be less studied in enthesitis-related arthritis (ERA). We aimed to determine the ability of sacroiliac MRI to diagnose ERA patients. Materials and methods: We conducted a retrospective study including 44 patients with juvenile idiopathic arthritis (JIA). Each patient had a sacroiliac joint MRI. We divided patients into two groups: G1 patients with ERA and G2 patients with non-ERA subtype. Results: ERA was noted in 61% of the cases. Sacroiliac joints were painful in 15 patients (34%). MRI was normal in 25 patients (57%) (G1:11 versus G2:14) and showed bone marrow edema in the sacroiliac joints in 19 patients (34%) (G1=16 versus G2=3, p=0.005). Sacroiliac joints MRI's sensitivity and specificity in the ERA diagnosis were 61.54% and 82.35%, respectively. Positive and negative predictive values were 84.21% and 58.33%, respectively. Furthermore, sacroiliac joint pain in the clinical examination was able to predict sacroiliac bone edema in MRI with an odds ratio of 6.8 (95% CI 1.68–28.09; p=0.006). Conclusion: Our study showed that sacroiliac joint MRI has good specificity and positive predictive value in the diagnosis of ERA patients among JIA patients. This underlines the usefulness of sacroiliac joint MRI in the early diagnosis of ERA patients.(AU)

Introducción y objetivos: La sensibilidad y especificidad de la resonancia magnética parecen estar menos estudiadas en la artritis relacionada con entesitis (ERA). Nuestro objetivo era determinar la capacidad de la resonancia magnética de la articulación sacroilíaca para diagnosticar pacientes con ERA. Materiales y métodos: Realizamos un estudio retrospectivo que incluyó a 44 pacientes con artritis idiopática juvenil (AIJ). A cada paciente se le realizó una resonancia magnética de la articulación sacroilíaca. Dividimos a los pacientes en dos grupos: G1: pacientes con ERA y G2: pacientes con subtipo no ERA. Resultados: Se observó ERA en 61% de los casos. Las articulaciones sacroilíacas resultaron dolorosas en 15 pacientes (34%). La resonancia magnética fue normal en 25 pacientes (57%) (G1:11 vs. G2:14) y mostró edema de médula ósea en las articulaciones sacroilíacas en 19 pacientes (34%) (G1=16 vs. G2=3, p=0,005). La sensibilidad y especificidad de la resonancia magnética de articulaciones sacroilíacas en el diagnóstico de ERA fueron de 61,54 y 82,35%, respectivamente. Los valores predictivos positivos y negativos fueron 84,21 y 58,33%, respectivamente. Además, el dolor en la articulación sacroilíaca en el examen clínico fue capaz de predecir el edema del hueso sacroilíaco en la resonancia magnética con un odds ratio de 6,8 (IC 95%: 1,68 a 28,09; p=0,006). Conclusión: Nuestro estudio demostró que la resonancia magnética de la articulación sacroilíaca tiene buena especificidad y valor predictivo positivo en el diagnóstico de pacientes con ERA entre pacientes con AIJ. Esto subraya la utilidad de la resonancia magnética de la articulación sacroilíaca en el diagnóstico temprano de pacientes con ERA.(AU)

Does sacroiliitis is a mandatory criterion for enthesitis-related arthritis diagnosis?

INTRODUCTION AND OBJECTIVES: Magnetic resonance imaging (MRI) sensitivity and specificity seem to be less studied in enthesitis-related arthritis (ERA). We aimed to determine the ability of sacroiliac MRI to diagnose ERA patients. MATERIALS AND METHODS: We conducted a retrospective study including 44 patients with juvenile idiopathic arthritis (JIA). Each patient had a sacroiliac joint MRI. We divided patients into two groups: G1 patients with ERA and G2 patients with non-ERA subtype. RESULTS: ERA was noted in 61% of the cases. Sacroiliac joints were painful in 15 patients (34%). MRI was normal in 25 patients (57%) (G1:11 versus G2:14) and showed bone marrow edema in the sacroiliac joints in 19 patients (34%) (G1=16 versus G2=3, p=0.005). Sacroiliac joints MRI's sensitivity and specificity in the ERA diagnosis were 61.54% and 82.35%, respectively. Positive and negative predictive values were 84.21% and 58.33%, respectively. Furthermore, sacroiliac joint pain in the clinical examination was able to predict sacroiliac bone edema in MRI with an odds ratio of 6.8 (95% CI 1.68-28.09; p=0.006). CONCLUSION: Our study showed that sacroiliac joint MRI has good specificity and positive predictive value in the diagnosis of ERA patients among JIA patients. This underlines the usefulness of sacroiliac joint MRI in the early diagnosis of ERA patients.

Pro-inflammatory cytokines in spondyloarthritis: a case-control study.

OBJECTIVES: We aimed to determine the discriminative values of pro-inflammatory cytokines to distinguish spondyloarthritis patients from healthy subjects and to assess the association between these cytokines and spondyloarthritis characteristics. METHODS: We conducted a case-control study, including 144 subjects matched for age and sex: 72 spondyloarthritis patients(G1) and 72 controls (G2). The disease activity was assessed using ASDAS-CRP and BASDAI. Structural damage was assessed using BASRI. The levels of interleukin (IL) IL-1, IL-6, IL-8, IL-17, IL-23, and tumor necrosis factor α(TNFα) were measured. RESULTS: Each group included 57 men. The mean age was 44.84 ± 13.42 years. Except for IL-8, all cytokine levels were significantly higher in patients compared to controls (IL-1: p = 0.05, IL-6: p = 0.021, TNFα: p = 0.039, IL-17 and IL-23: p < 0.001). Cutoff values of IL-17 and IL-23 distinguishing patients in G1 from those in G2 were 17.6 and 7.96 pg/mL, respectively. TNFα level correlated to BASDAI (p = 0.029) and BASRI (p = 0.002). Multivariate analysis showed that structural damage was associated with the male gender (p = 0.017), longer disease duration (p = 0.038), and high disease activity (p = 0.044). Disease activity was associated with longer disease duration (p = 0.012) and increased IL-6 levels (p = 0.05). CONCLUSION: Our study showed that IL-17 was the ablest to distinguish between spondyloarthritis patients and controls, suggesting that IL-17 may be helpful for the diagnosis of spondyloarthritis.

Management of Blau syndrome: review and proposal of a treatment algorithm.

Blau syndrome is a rare genetic granulomatosis affecting children. It could be responsible for vision-threatening complications and articular deformation. Due to the rarity of this disease, there are no standardized guidelines for its management. This work aimed to provide an updated overview of the different therapeutic options for Blau syndrome. We conducted research in the PubMed database for the different treatments used in Blau syndrome patients, and we proposed a therapeutic algorithm for disease management. High doses of corticosteroids are considered as a bridging therapy in Blau syndrome. Methotrexate should be initiated if the patient has articular or ocular involvement. An anti-tumor necrosis factor α should be added for patients with uveitis or residual arthritis. If the patient remains symptomatic, a switch to another anti-tumor necrosis factor α is the best option. In non-responders to the first- and second-line biotherapies, a switch to an anti-interleukin 1, an anti-interleukin 6, or tofacitinib is necessary. CONCLUSION: This article suggested an algorithm for the treatment of Blau syndrome. Other studies are necessary to confirm the efficacy of these treatments. WHAT IS KNOWN: • Blau syndrome is a rare but severe granulomatosis that could be responsible for vision-threatening complications and articular deformation. • Blau syndrome seems to be refractory to treatments. WHAT IS NEW: • High doses of corticosteroids are usually insufficient and should be considered only as a bridging therapy. • Blau syndrome could be considered as a poor factor for uveitis, thus, an anti-tumor necrosis factor α should be initiated for patients with uveitis or with residual arthritis.

Pro-inflammatory cytokines in patients with low back pain: A comparative study.

INTRODUCTION AND OBJECTIVES: There are controversial results regarding the value of serum IL-8 and TNFα in patients with non-specific low back pain. This study aimed to compare pro-inflammatory cytokines between patients with non-specific back pain and pain-free controls. MATERIALS AND METHODS: We conducted a case-control study including 106 participants: 46 patients with chronic non-specific low back pain (G1) and 60 pain-free controls (G0). The interleukin (IL-)6, IL-8, IL-17, IL-23, IL-22, and Tumor necrosis factor α (TNFα) were measured. We collected demographic and clinical data, including age, gender, low back pain duration and radicular pain. The pain degree was assessed using the Visual Analogic Scale. RESULTS: The mean age was 43.17±8.7 years in G1. Radicular pain was found in 37 cases with a Visual Analogic Scale of 3.03±2.5mm. The magnetic resonance imaging was performed in (G1), showing disk herniation and degenerative disk disease in 54.3% (n=25) and 45.7% of cases (n=21), respectively. The IL-8 was higher in G1 (18.84±44.64 versus 4.34±1.23pg/mL, p:0.033). IL-8 levels correlated with TNFα (0.942, p<10-3), IL-6 (0.490, p=0.011) and Visual Analogic ScaleRadicular-pain (r:0.297, p:0.047). IL-17 was higher in patients with restricted lumbar spine mobility (9.64±20.77 versus 1.19±2.54pg/mL, p:0.014). CONCLUSIONS: Our results provide evidence that IL-8 and TNFα play a role in low back pain and radicular pain due to disk degeneration or herniation. These findings could potentially be used by future studies to develop new non-specific low back pain therapeutic strategies.

Pro-inflammatory cytokines in patients with low back pain: A comparative study / Citoquinas proinflamatorias en pacientes con dolor lumbar: un estudio comparativo

Introduction and objectives: There are controversial results regarding the value of serum IL-8 and TNFα in patients with non-specific low back pain. This study aimed to compare pro-inflammatory cytokines between patients with non-specific back pain and pain-free controls. Materials and methods: We conducted a case–control study including 106 participants: 46 patients with chronic non-specific low back pain (G1) and 60 pain-free controls (G0). The interleukin (IL-)6, IL-8, IL-17, IL-23, IL-22, and Tumor necrosis factor α (TNFα) were measured. We collected demographic and clinical data, including age, gender, low back pain duration and radicular pain. The pain degree was assessed using the Visual Analogic Scale. Results: The mean age was 43.17±8.7 years in G1. Radicular pain was found in 37 cases with a Visual Analogic Scale of 3.03±2.5mm. The magnetic resonance imaging was performed in (G1), showing disk herniation and degenerative disk disease in 54.3% (n=25) and 45.7% of cases (n=21), respectively. The IL-8 was higher in G1 (18.84±44.64 versus 4.34±1.23pg/mL, p:0.033). IL-8 levels correlated with TNFα (0.942, p<10–3), IL-6 (0.490, p=0.011) and Visual Analogic ScaleRadicular-pain (r:0.297, p:0.047). IL-17 was higher in patients with restricted lumbar spine mobility (9.64±20.77 versus 1.19±2.54pg/mL, p:0.014). Conclusions: Our results provide evidence that IL-8 and TNFα play a role in low back pain and radicular pain due to disk degeneration or herniation. These findings could potentially be used by future studies to develop new non-specific low back pain therapeutic strategies.(AU)

Introducción y objetivos: Existen resultados controvertidos en cuanto al valor de la interleucina (IL) 8 y el factor de necrosis tumoral α (TNFα) séricos en pacientes con lumbalgia inespecífica. Este estudio tuvo como objetivo comparar las citoquinas proinflamatorias entre pacientes con dolor de espalda inespecífico y controles sin dolor. Materiales y métodos: Realizamos un estudio de casos y controles que incluyó a 106 participantes: 46 pacientes con dolor lumbar crónico inespecífico (G1) y 60 controles sin dolor (G0). Se midieron las IL-6, IL-8, IL-17, IL-23, IL-22 y el TNFα. Recopilamos datos demográficos y clínicos, incluidos la edad, el sexo, la duración del dolor lumbar y el dolor radicular. El grado de dolor se evaluó mediante la escala analógica visual. Resultados: La edad media fue de 43,17±8,7 años en G1. Se encontró dolor radicular en 37 casos con una escala analógica visual de 3,03±2,5mm. La resonancia magnética se realizó en G1, mostrando hernia discal y enfermedad discal degenerativa en el 54,3% (n=25) y el 45,7% de los casos (n=21), respectivamente. La IL-8 fue mayor en G1 (18,84±44,64 versus 4,34±1,23pg/ml, p=0,033). Los niveles de IL-8 se correlacionaron con TNFα (0,942, p<10−3), IL-6 (0,490, p=0,011) y escala visual analógicadolor radicular (r=0,297, p=0,047). IL-17 fue mayor en pacientes con movilidad restringida de la columna lumbar (9,64±20,77 versus 1,19±2,54pg/ml, p=0,014). Conclusiones: Nuestros resultados proporcionan evidencia de que la IL-8 y el TNFα juegan un papel en el dolor lumbar y en el dolor radicular debido a la degeneración o a hernia discal. Estos hallazgos podrían potencialmente ser utilizados por estudios futuros para desarrollar nuevas estrategias terapéuticas no específicas para el dolor lumbar.(AU)

Health-Related Quality of Life and Associated Factors Among Patients With Knee Osteoarthritis.

BACKGROUND: Knee osteoarthritis, a chronic degenerative disease, is becoming a public health problem around the world due to increasing life expectancy. OBJECTIVES: We aimed to assess the impact of knee osteoarthritis on the quality of life (QoL) of the patients and to identify factors associated with impaired QoL. MATERIALS AND METHODS: We conducted a cross-sectional monocentric study including patients with knee osteoarthritis. The pain was evaluated by the Visual Analog Scale (VAS). The short form of the Knee injury and Osteoarthritis Outcome Score (KOOS-PS) was used to assess functional impact. QoL was assessed using the OsteoArthritis of Knee Hip Quality Of Life (OAKHQOL) questionnaire. RESULTS: Fifty patients were included. The mean age of patients was 59 ± 9 years. The sex ratio was 0.25. At least one comorbidity was noted in 77% of patients. The mean disease duration was 8.82 years. Mean VAS pain and KOOS-PS were 6.8 ± 1.1 and 54.7 ± 9.6/100; respectively. Assessment of the QoL by OAKHQOL showed impaired QoL in all domains; the worst scores concerned the areas of social functioning and pain. Factors associated with an altered QoL were age > 65 years, longer disease duration, higher pain intensity, comorbidities, and functional impairment. CONCLUSION: Our patients showed an impaired QoL in all domains, particularly in terms of physical activity and social functioning. Lower QoL scores were associated with age, comorbidities, pain, function, and disease duration. Factors associated with QoL should be considered in the management program of these patients. Screening and the treatment of comorbidities are also useful for the management of knee OA.

Increased serum interleukin 22 levels in patients with axial spondyloarthritis.

OBJECTIVES: The role of IL-22 in radiographic axial spondyloarthritis is not fully elucidated. Thus, there is a need for new insights into this cytokine in this disease. We aimed to compare interleukin (IL)-22 level between spondyloarthritis, nonspecific-low back pain patients, and pain-free controls, and to evaluate associations between this cytokine and spondyloarthritis characteristics. METHODS: We conducted a case-control study including 62 patients with radiographic axial spondyloarthritis (G1), 46 with nonspecific low back pain (G2), and 42 healthy volunteers (G3). IL-22 was measured using Enzyme-linked immunosorbent assay. We evaluate disease activity and structural damage of spondyloarthritis. RESULTS: IL-22 level was higher in G1 than in G2 and G3 (38±40 versus14.42±8.17 versus14.3±18.67 pg/mL, p<0.01). IL-22 discriminated patients in G1 from G2 with a cutoff of 22.28pg/mL (Sensitivity: 62.9%, Specificity: 97.8%, area under the curve (AUC): 0.808). IL-22 cutoff of 19.27pg/mL discriminated patients in G1 from G3 (Sensitivity: 67%, Specificity: 94.3%, AUC: 0.855). No associations were found between IL-22 levels and disease activity and structural damage. CONCLUSIONS: Our study showed that IL-22 level was higher in radiographic axial spondyloarthritis patients compared to controls. It was also able to differentiate G1 patients from G2 and G3. This finding suggests that the IL-22 pathway showed to play a pathological role in spondyloarthritis.

Ultrasonography of heel entheses in axial spondyloarthritis patients: frequency and assessment of associated factors.

PURPOSE: Foot entheses involvement is a common manifestation of spondyloarthritis. The superiority of ultrasonography examination in foot entheses damages detection has been reported. We aimed to compare the ultrasonography findings of foot entheses between spondyloarthritis patients. and healthy controls and to identify factors associated with enthesitic heel involvement. METHODS: We conducted a cross-sectional study including 37 patients with axial spondyloarthritis (G1) and 37 healthy subjects matched by age and gender (G0). The following pro-inflammatory cytokines were measured: Interleukin (IL-)1, IL-6, IL-17, and IL-23. A blind ultrasonography of foot entheses was performed to examine calcaneal tendon (CT) and plantar fascia (PF). RESULTS: The mean age was 44.62 ± 12.31 years. Non-steroidal anti-inflammatory drugs were taken in 92% of patients. Clinical heel enthesopathy was noted in 10 patients (27%) of G1. No participant has enthesitic pain in G0. Ultrasonography changes in CT and PF were more frequent in G1 than G0 (p = 0.001 and p = 10-3, respectively). In the PF, tendon thickening was significantly higher in G1 than G0 (p = 0.03). Power Doppler in both enthesitic sites was exclusively observed in G1 (p = 10-3). Regarding associated factors, CT enthesophytes were less frequent in patients taking non-steroidal anti-inflammatory drugs continuously or having regular physical activity. PF structural damages were associated with higher erythrocyte sedimentation rate (p = 0.02), higher IL-23 level (p = 0.01), and higher disease activity (p = 0.04). CONCLUSION: Ultrasonography lesions of heel entheses were frequent in spondyloarthritis. Disease activity and inflammatory markers were higher in patients with heel enthesitis. Non-steroidal anti-inflammatory drugs intake and regular physical activity may prevent enthesophytes' occurrence.

Obesity, Lipid Profile and Cytokines in Spondyloarthritis.

Context: Chronic rheumatic diseases seem to be associated with a higher risk of developing cardiovascular diseases. The link between cytokines and lipid profile in spondyloarthritis is not well elucidated. Aims: We aimed to assess the relationship between cytokines and obesity, lipid profile and atherogenic indexes in spondyloarthritis. Methods and Material: We conducted a cross-sectional study including 45 patients with axial radiographic spondyloarthritis. For each patient, we measured the following pro-inflammatory cytokines: interleukin (IL-) 1, IL-8, IL-6, IL-17, IL-23 and tumor necrosis factor a (TNFa), and anti-inflammatory cytokines: IL-10. We also measured total cholesterol (TC), triglycerides (TG), high-density lipoprotein cholesterol (HDLc) and low-density lipoprotein cholesterol (LDLc). We calculated the following ratios: TC/HDLc, TG/HDLc, LDLc/HDLc and Log[TG/HDLc]. Statistical Analysis Used: SPSS. Results: The mean age was 46 ± 11.9 years. IL-8 levels were increased in obese patients (P = 0.003). IL-8 and IL-22 levels were significantly higher in patients with abdominal obesity (P = 0.024 and P = 0.042, respectively). IL-6 levels were lower in patients with hypercholesterolemia (P = 0.009). IL-1 levels correlated to TG (r = 0.413; P = 0.005). IL-1 and IL-6 were correlated to TG/HDLc (IL-1: r = 0.484, P = 0.001; IL-6; r = 0.700, P = 0.012) and Log[TG/HDLc] (IL-1: r = 0.354; P = 0.012; IL-6: r = 0.309, P = 0.041). IL-10 level was correlated to TC/HDLc (r = 0.333, P = 0.027) and LDLc/HDLc (r = 0.342, P = 0.023). Conclusions: IL-8 and IL-22 were higher in patients with abdominal obesity, highlighting the contribution of the adipocytes to the secretion of pro-inflammatory cytokines. The correlation between cytokines and atherogenic indexes suggests the role of these cytokines in the occurrence of cardiovascular diseases in spondyloarthritis.

Athrogenic indexes: Useful markers for predicting metabolic syndrome in axial spondyloarthritis / Índices aterogénicos: marcadores útiles para predecir el síndrome metabólico en la espondiloartritis axial

Introduction: Metabolic syndrome is a pathological entity associated with a high risk of cardiovascular disease. Data regarding the frequency of this syndrome, lipid profile, and atherogenic index of plasma in patients with radiographic axial spondyloarthritis are scarce. We aim: to determine the prevalence of metabolic syndrome in patients with spondyloarthritis. We also aim to determine discriminative values of atherogenic indexes between patients with and without metabolic syndrome. Methods: We conducted a cross-sectional study including 51 patients meeting the ASAS 2009 criteria for radiographic axial spondyloarthritis. We measured the following parameters: triglyceride (TG), high-density lipoproteins (HDLc), low-density lipoprotein cholesterol (LDLc), and total cholesterol (TC). We calculated TC/HDLc, TG/HDLc, LDLc/HDLc ratios, and atherogenic index of plasma (LogTG/HDLc). Results: Metabolic syndrome was noted in 33% of cases. Patients with active disease had a higher body mass index (26.89±5.88 versus 23.63±4.47kg/m2, p=0.03), higher TG (1.41±0.64 versus 0.89±0.5mmol/L, p=0.05) and a lower HDLc level (1±0.28 versus 1.31±0.22mmol/L, p=0.01). However, the LogTG/HDLc and TG/HDLc were higher in patients under TNFα inhibitors. The ability of the TG/HDLc ratio and LogTG/HDLc to distinguish patients with or without metabolic syndrome were good at cut-offs of 1.33 and 0.22, respectively (specificity: 91.2% and sensitivity 70.6% for both ratios). Conclusion: Our study showed that metabolic syndrome is frequent in patients with axial spondyloarthritis. Atherogenic indexes can be used for predicting metabolic syndrome in these patients.(AU)

Introducción: El síndrome metabólico es una entidad patológica asociada a un alto riesgo de enfermedad cardiovascular. Los datos sobre la frecuencia de este síndrome, el perfil lipídico y el índice aterogénico del plasma en pacientes con espondiloartritis axial radiográfica son escasos. Nuestro objetivo es determinar la prevalencia del síndrome metabólico en pacientes con espondiloartritis. También pretendemos determinar valores discriminativos de índices aterogénicos entre pacientes con y sin síndrome metabólico. Métodos: Realizamos un estudio transversal que incluyó a 51 pacientes que cumplían los criterios ASAS 2009 para espondiloartritis axial radiográfica. Medimos los siguientes parámetros: triglicéridos (TG), lipoproteínas de alta densidad (HDLc), colesterol de lipoproteínas de baja densidad (LDLc) y colesterol total (CT). Calculamos las relaciones CT/HDLc, TG/HDLc, LDLc/HDLc y el índice aterogénico del plasma (LogTG/HDLc). Resultados: El síndrome metabólico se observó en el 33% de los casos. Los pacientes con enfermedad activa tenían un índice de masa corporal más alto (26,89±5,88 versus 23,63±4,47kg/m2; p=0,03), TG más altos (1,41±0,64 versus 0,89±0,5 mmol/L; p=0,05) y un nivel de HDLc más bajo (1±0,28 versus 1,31±0,22mmol/L; p=0,01). Sin embargo, el LogTG/HDLc y TG/HDLc fueron mayores en pacientes bajo inhibidores del TNFα. La capacidad de la relación TG/HDLc y LogTG/HDLc para distinguir pacientes con o sin síndrome metabólico fue buena en puntos de corte de 1,33 y 0,22, respectivamente (especificidad: 91,2% y sensibilidad: 70,6% para ambas relaciones). Conclusión: Nuestro estudio mostró que el síndrome metabólico es frecuente en pacientes con espondiloartritis axial. Los índices aterogénicos se pueden utilizar para predecir el síndrome metabólico en estos pacientes.(AU)

Athrogenic indexes: Useful markers for predicting metabolic syndrome in axial spondyloarthritis.

INTRODUCTION: Metabolic syndrome is a pathological entity associated with a high risk of cardiovascular disease. Data regarding the frequency of this syndrome, lipid profile, and atherogenic index of plasma in patients with radiographic axial spondyloarthritis are scarce. We aim to determine the prevalence of metabolic syndrome in patients with spondyloarthritis. We also aim to determine discriminative values of atherogenic indexes between patients with and without metabolic syndrome. METHODS: We conducted a cross-sectional study including 51 patients meeting the ASAS 2009 criteria for radiographic axial spondyloarthritis. We measured the following parameters: triglyceride (TG), high-density lipoproteins (HDLc), low-density lipoprotein cholesterol (LDLc), and total cholesterol (TC). We calculated TC/HDLc, TG/HDLc, LDLc/HDLc ratios, and atherogenic index of plasma (LogTG/HDLc). RESULTS: Metabolic syndrome was noted in 33% of cases. Patients with active disease had a higher body mass index (26.89±5.88 versus 23.63±4.47kg/m2, p=0.03), higher TG (1.41±0.64 versus 0.89±0.5mmol/L, p=0.05) and a lower HDLc level (1±0.28 versus 1.31±0.22mmol/L, p=0.01). However, the LogTG/HDLc and TG/HDLc were higher in patients under TNFα inhibitors. The ability of the TG/HDLc ratio and LogTG/HDLc to distinguish patients with or without metabolic syndrome were good at cut-offs of 1.33 and 0.22, respectively (specificity: 91.2% and sensitivity 70.6% for both ratios). CONCLUSION: Our study showed that metabolic syndrome is frequent in patients with axial spondyloarthritis. Atherogenic indexes can be used for predicting metabolic syndrome in these patients.