Clinical Characteristics of EGPA Patients in Comparison to GPA Subgroup with Increased Blood Eosinophilia from POLVAS Registry

Objective

To characterize the eosinophilic granulomatosis with polyangiitis (EGPA) population from the POLVAS registry depending on ANCA status and diagnosis onset, including their comparison with the granulomatosis with polyangiitis (GPA) subset with elevated blood eosinophilia (min. 400/μl) (GPA HE) to develop a differentiating strategy.

Methods

A retrospective analysis of the POLVAS registry.

Results

The EGPA group comprised 111 patients. The ANCA-positive subset (n = 45 [40.54%]) did not differ from the ANCA-negative one in clinics. Nevertheless, cardiovascular manifestations were more common in ANCA-negative patients than in those with anti-myeloperoxidase (MPO) antibodies (46.97% vs. 26.92%, p = 0.045). Patients diagnosed before 2012 (n = 70 [63.06%]) were younger (median 41 vs. 49 years, p  < 0.01), had higher blood eosinophilia at diagnosis (median 4,946 vs. 3,200/μl, p  < 0.01), and more often ear/nose/throat (ENT) and cardiovascular involvement. GPA HE comprised 42 (13.00%) out of 323 GPA cases with reported blood eosinophil count. Both GPA subsets had a lower prevalence of respiratory, cardiovascular, and neurologic manifestations but more often renal and ocular involvement than EGPA. EGPA also had cutaneous and gastrointestinal signs more often than GPA with normal blood eosinophilia (GPA NE) but not GPA HE. The model differentiating EGPA from GPA HE, using ANCA status and clinical manifestations, had an AUC of 0.92, sensitivity of 96%, and specificity of 95%.

Conclusion

Cardiovascular symptoms were more prevalent in the ANCA-negative subset than in the MPO-ANCA-positive one. Since EGPA and GPE HE share similarities in clinics, diagnostic misleading may result in an inappropriate therapeutic approach. Further studies are needed to optimize their differentiation and tailored therapy, including biologics.

Mixed Connective Tissue Disease as Different Entity: Global Methylation Aspect

Mixed connective tissue disease (MCTD) is a very rare disorder that belongs in the rare and clinically multifactorial groups of diseases. The pathogenesis of MCTD is still unclear. The best understood epigenetic alteration is DNA methylation whose role is to regulate gene expression. In the literature, there are ever-increasing assumptions that DNA methylation can be one of the possible reasons for the development of Autoimmune Connective Tissue Diseases (ACTDs) such as systemic sclerosis (SSc) and systemic lupus erythematosus (SLE). The aim of this study was to define the global DNA methylation changes between MCTD and other ACTDs patients in whole blood samples. The study included 54 MCTD patients, 43 SSc patients, 45 SLE patients, and 43 healthy donors (HC). The global DNA methylation level was measured by ELISA. Although the global DNA methylation was not significantly different between MCTD and control, we observed that hypomethylation distinguishes the MCTD patients from the SSc and SLE patients. The present analysis revealed a statistically significant difference of global methylation between SLE and MCTD (p < 0.001), SLE and HC (p = 0.008), SSc and MCTD (p ≤ 0.001), and SSc and HC (p < 0.001), but neither between MCTD and HC (p = 0.09) nor SSc and SLE (p = 0.08). The highest % of global methylation (median, IQR) has been observed in the group of patients with SLE [0.73 (0.43, 1.22] and SSc [0,91 (0.59, 1.50)], whereas in the MCTD [0.29 (0.20, 0.54)], patients and healthy subjects [0.51 (0.24, 0.70)] were comparable. In addition, our study provided evidence of different levels of global DNA methylation between the SSc subtypes (p = 0.01). Our study showed that patients with limited SSc had a significantly higher global methylation level when compared to diffuse SSc. Our data has shown that the level of global DNA methylation may not be a good diagnostic marker to distinguish MCTD from other ACTDs. Our research provides the groundwork for a more detailed examination of the significance of global DNA methylation as a distinguishing factor in patients with MCTD compared to other ACTDs patients.

AB1490 THE POLISH VALIDATION OF A DISEASE SPECIFIC PATIENT REPORTED OUTCOME MEASURE OF SYSTEMIC LUPUS ERYTHEMATOSUS

Background

Systemic Lupus Erythematosus (SLE) is a chronic multisystemic autoimmune disease with a very broad clinical picture. Due to its generalized nature, it affects all aspects of the patient’s life, such as physical, psychological and social well-being. As a result, the quality of life in patients with SLE is substantially decreased. Therefore, it is recommended to introduce evaluation of quality of life in clinical trials and in the daily practice.

LupusPRO is a disease-targeted, patient reported outcome measure developed for assessment of quality of life in patients with Systemic Lupus Erythematosus. Originally, the questionnaire was validated among US patients of varied ethnic background and both genders.

What differs LupusPRO from previous disease-specific quality of life questionnaire used in SLE is its comprehensiveness. It comprises two constructs: health- related quality of life domains (HRQOL) and non- health - related quality of life domains.

Objectives

The aim of this study is to carry out a cross-cultural adaptation and validation of the Polish-translated version of LupusPRO.

Methods

The Polish version of LupusPRO was administrated along with the 36-Item Short Form Health Survey (SF-36) and EQ-5D-5L questionnaire and Hospital Anxiety and Depression Scale (HADS). At the same time, demographics and clinical characteristics were collected. Disease activity, damage and exacerbation were assessed using SELENA-SLEDAI, SLICC/ACR DI and LFA Flare. Internal consistency reliability, test-retest reliability, convergent validity (against corresponding domains of SF-36) and criterion validity (against disease activity and damage) and known group validity were tested.

Results

A total of 199 (91% females) patients with SLE with a mean age of 42.6 ⊥12.62 years participated in the study. The mean SELENA-SLEDAI reached 5.3(⊥ 5.9) points and SLICC/ACR DI was observed at 1.3(⊥ 2.0) points. The internal consistency reliability of LupusPRO domains ranged between 0.737-0.925 (except for Lupus Symptoms, Social Support, Coping and Satisfaction with care). For all domains, except Social Support, test-retest reliability exceeded 0.7. Convergent validity with corresponding domains of the SF-36 was good (r>0,5). All health-related quality of life domains performed well against disease activity and damage measure, establishing its criterion validity. Known group validity against disease activity was observed. Confirmatory factor analysis showed a good fit.

Conclusion

The Polish version of LupusPRO has proved to have fair psychometric properties among Polish patients with SLE. It is the first disease-specific quality of life questionnaire in Polish, validated among Polish patients with Systemic Lupus Erythematosus.

References

[1]Jolly M, Pickard AS, Block JA et al. Disease-specific patient reported outcome tools for systemic lupus erythematosus. Semin Arthritis Rheum. 2012: 42(1): 56-65. doi:10.1016/j.semarthrit.2011.12.005.

Disclosure of Interests

None declared

Relationship between type of skin lesions and nailfold capillaroscopy pattern in mixed connective tissue disease

INTRODUCTION

Mixed connective tissue disease (MCTD) is a rare disease with clinical picture consisted of multiple organ manifestations, including skin changes resembling systemic lupus erythematosus (SLE), systemic sclerosis (SSc), or dermatomyositis (DM). On the background of these manifestations are microvascular changes - alteration of endothelial function and impairment of endothelial progenitor cell. Nailfold capillaroscopy (NFC) is a simple, non-invasive technique for investigating microvascular involvement in rheumatic diseases.

OBJECTIVES

To describe the relationship between type of skin lesions and NFC pattern in MCTD patients.

METHODS

We analyzed the clinical picture and NFC patterns in 79 patients with MCTD. The NFC changes were classified into Normal, "Early," "Active," and "Late" scleroderma-like patterns (SD-like pattern) based on Cutolo classification. In all patients, subjective and physical examinations were carried out, specifically the occurrence of skin lesions in the course of MCTD was assessed (systemic sclerosis-like (Ssc-like), systemic lupus erythematosus-like (SLE-like), dermatomysitis-like (DM-like)).

RESULTS

Skin changes were present in 64 (81%) patients, involving 43 (54%) SLE-like, 48 (61%) SSc-like, and 4 (5.1%) DM-like. NFC changes were observed in a total of 55 (69.6 %) patients with predominance of the "Early" pattern - 41 (51.9 %) patients. According to skin change phenotypes, NFC changes were observed in 31 (72%) patients with SLE-like and in 32 (66.7%) patients with SSc-like skin phenotypes. The "early" pattern predominated in both group.

CONCLUSIONS

We did not find any correlation between NFC pattern and the type skin changes. Key Points • The study did not show a correlation between the presence and absence of skin lesions and NFC pattern. • Scleroderma-like patterns were found in over 60% of patients with mixed connective tissue disease. • The "early" pattern is dominant regardless of the occurrence or absence of skin lesions in patients with MCTD. • Skin lesions, regardless of their type (SLE or SSc), do not correlate with type of lesion found in the NFC examination.

Neuro-Sjögren: Uncommon or underestimated problem?

OBJECTIVES

Sjögren's syndrome (SS) is a chronic inflammatory disease with an autoimmune background with possible complications from peripheral (PNS) and central nervous system (CNS). The aim of this study was to assess the prevalence and to describe the phenotype of peripheral neuropathies in patients with SS.

MATERIALS & METHODS

We studied fifty patients with primary Sjögren's syndrome for peripheral nervous system involvement. All patients underwent neurological and rheumatological examination followed by nerve conduction studies (NCS) of nine peripheral nerves.

RESULTS

Thirty-six patients (72%) fulfilled the criteria for the diagnosis of neuropathy. Carpal tunnel syndrome (54%) and axonal sensorimotor neuropathy (22%) were the most common. Neurological symptoms preceded the diagnosis of SS in eight patients.

CONCLUSIONS

Peripheral neuropathies are frequent in SS patients. Neurologists should be aware of possible autoimmune causes of neuropathies because clinical manifestations of neuropathy may precede the development of other symptoms of the autoimmune disease.

Peripheral neuropathy and health-related quality of life in patients with primary Sjögren's syndrome: a preliminary report

Sjögren's syndrome (SS) is a chronic autoimmune disease with a wide spectrum of possible organ involvement. Peripheral (PNS) and central nervous system (CNS)-related symptoms may occur in the course of the disease. The aim of this study was to compare the health-related quality of life (HR-QOL) in SS patients with and without peripheral neuropathy. The study involved 50 patients with primary Sjögren's syndrome (pSS). All patients underwent neurological clinical examination followed by nerve conduction studies (NCS) and rheumatological examination. Thirty-six-item Short Form Health Survey (SF-36) was used for evaluating HR-QOL. To assess pSS activity, the EULAR Sjögren's Syndrome Disease Activity Index (ESSDAI) and EULAR Sjögren's Syndrome Patient Reported Index (ESSPRI) were used. For the assessment of clinical disability due to peripheral neuropathy, the Overall Disability Sum Score scale (ODSS) was used. Additional evaluation of pain was performed with the use of the Visual Analogue Scale (VAS) and a semistructured interview. Twenty-three (46%) patients were diagnosed with peripheral neuropathy. The most common PNS manifestation was sensorimotor neuropathy (47%). Neurological symptoms preceded the diagnosis of pSS in eight patients. The following domains of the SF-36 form were significantly lower scored by patients with peripheral nervous system involvement: role-physical [0 (0-100) vs. 75 (0-100)], role-emotional [67 (0-100) vs. 100 (0-100)], vitality [40 (10-70) vs. 50 (20-75)], bodily pain [45 (10-75) vs. 55 (0-100)], and general health [20 (5-50) vs. 30 (0-50)] (p ≤ 0.05). Our study showed that peripheral neuropathy was a common organ-specific complication in SS patients. In pSS patients, coexisting neurological involvement with symptoms such as pain and physical disability may be responsible for diminished HR-QOL.

Illness perception is significantly determined by depression and anxiety in systemic lupus erythematosus

Objectives Illness perception is a cognitive representation influencing physical and psychological functioning and adherence in patients with rheumatic disease. Studies exploring illness perception in systemic lupus erythematosus (SLE) are still scarce and none of them have investigated factors determining illness perception. We aimed to assess illness perception and to identify psychological, clinical and sociodemographic factors that might influence illness perception in SLE. Methods The study involved 80 patients with SLE (87.5% women, mean age 41.56 years). The Brief Illness Perception Questionnaire, State Trait Anxiety Inventory, Beck Depression Inventory, Pittsburgh Sleep Quality Index, Visual Analogue Scale-Pain and Fatigue Severity Scale were used. Clinical and sociodemographic data were collected via structured interview and medical files review. Results Illness perception was significantly positively correlated with anxiety, depression, sleep quality, fatigue and pain while it was not related to age, education, steroid treatment, disease duration and activity (SLEDAI) or organ damage (SLICC/ACR). Regression analysis revealed that state anxiety and depression explained 43% of illness perception variance. Cluster analysis identified three patient groups among which the middle-aged group had the most negative illness perception, the highest levels of anxiety, depression, pain and fatigue, and the poorest sleep quality. Conclusions The study has proved a significant relationship between negative illness perception and anxiety and depression. Patients reporting fatigue, poor sleep and pain might have special needs in terms of psychological intervention focused on negative illness perception and distress symptoms. Multidisciplinary care in managing SLE seems to be of great importance.

Prevalence and correlates of suicidal thoughts in patients with neuropsychiatric lupus

BACKGROUND

Suicidal ideation is observed in patients with systemic lupus erythematosus (SLE). No study on this notable phenomenon in neuropsychiatric SLE (NPSLE) is available so far.

METHODS

Participants were 53 consecutive outpatients with NPSLE (48 women; mean age 43.8 years) diagnosed according to the American College of Rheumatology nomenclature for SLE neuropsychiatric syndromes. A Neuropsychiatric Questionnaire (NP-Q) concerning 45 neurological, cognitive and psychiatric symptoms was used to assess the prevalence of self-perceived neuropsychiatric symptoms. The Modified Hospital Anxiety and Depression Scale (HADS-M) was used to assess the level of anxiety, depression and irritability. Formal neuropsychological examination was performed. Clinical data were collected by means of medical charts review and structured interview.

RESULTS

Suicidal thoughts were present in 25% of patients with NPSLE, irrespective of sex, age, education, work status, disease duration and steroid treatment. Suicidal ideation was connected with elevated levels of depression, anxiety and irritability. In patients with suicidal ideation the prevalence of cognitive, psychiatric and neurological self-perceived problems was significantly higher.

CONCLUSIONS

Suicidal thoughts are common in patients with NPSLE. Neuropsychiatric manifestation per se, depression, anxiety and patients' subjective complaints can be risk factors for suicidal ideation. Screening for suicidal thoughts is vital in routine care of SLE patients.

Illness perception in Polish patients with chronic diseases: Psychometric properties of the Brief Illness Perception Questionnaire

The study evaluates the psychometric properties of a Polish translation of the Brief Illness Perception Questionnaire. A total of 276 patients with chronic conditions (58.7% women) completed the Brief Illness Perception Questionnaire and the Hospital Anxiety and Depression Scale. The internal consistency of the Polish Brief Illness Perception Questionnaire measured with Cronbach's alpha was satisfactory (α = 0.74). Structural validity was demonstrated by significant inter-correlations between the Brief Illness Perception Questionnaire components. Discriminant validity was supported by the fact that the Brief Illness Perception Questionnaire enables patients with various conditions to be differentiated. Significant correlations were found between Brief Illness Perception Questionnaire and depression and anxiety levels. The Polish Brief Illness Perception Questionnaire thus evaluated is a reliable and valid tool.

Neuropsychological assessment in mixed connective tissue disease: comparison with systemic lupus erythematosus

Objective: The aims of the study were to assess cognitive functions (CF) in patients with mixed connective tissue disease (MCTD) and to compare MCTD patients with systemic lupus erythematosus patients with and without neuropsychiatric manifestations (NP-SLE and non-NP-SLE, respectively) in terms of CF. Methods: Neuropsychological examination was performed in 141 patients: 30 with MCTD (24 women, 6 men), mean age: 48.07 years, 37 with non-NP-SLE (36 women, 1 man), mean age: 40.76 years and 74 with NP-SLE (68 women, 6 men), mean age: 41.97 years. Neuropsychological tests and structured interview were used. Emotional state was assessed by Hospital Anxiety and Depression Scale and clinical review. Results: We observed cognitive impairment in six MCTD patients (20%); in one (3%) the impairment was severe. MCTD patients achieved significantly higher results in seven out of 11 tests compared with patients with NP-SLE. MCTD and non-NP-SLE patients did not differ significantly. The differences were irrespective of premorbid IQ, education, disease duration and steroid treatment. Conclusions: In the majority of MCTD patients, CF were not impaired and severe impairment was unusual. Cognitive functioning was most disturbed in NP-SLE. The cognitive deficits observed in connective tissue diseases can be connected with nervous system involvement.

[Macrophage activation syndrome: report on three cases]

The macrophage activation syndrome (MAS) is a rare and potentially fatal disease. This syndrome is founded on congenital or acquired dysfunction of NK cells resulting in secondary activation and proliferation of macrophages with excessive cytokine production and organ infiltration. Causes of acquired MAS include viral infections (chiefly EBV and CMV), malignancies, and autoimmune diseases. The macrophage activation syndrome is usually associated with juvenile idiopathic arthritis and adult-onset Still's disease and rarely with rheumatoid arthritis, systemic lupus erythematosus, dermatomyositis, and systemic sclerosis. Fever, hepatosplenomegaly, lymphadenopathy, and bi- or pancytopenia in peripheral blood represent typical symptoms of MAS. Hyperferritinemia, hypertriglyceridemia, hypertransaminasemia, and hypofibrinogenemia are among the common laboratory findings. The macrophage activation syndrome is a life-threatening condition requiring aggressive therapy due to multiple organ dysfunction. Treatment also includes elimination of the triggering infection and high-dose glucocorticosteroids. Second-line therapy is based on cyclosporin, intravenous immunoglobulins, and etoposide. The present work focuses on diagnostic and therapeutic difficulties in three patients with the macrophage activation syndrome.

[Still's disease or systemic lupus erythematosus in a young adult patient--diagnostic doubts]

Systemic lupus erythematosus and Still's disease are chronic autoimmune disorders of unknown etiology. Symptomatology of these diseases may be similar causing diagnostic difficulties. Long-term observation and immunological studies are essential to identify the definite disorder. We present a case of a 24-year-old patient with high fever, sore throat and arthritis. During hospitalization rash accompanying fever, nodular erythema, pulmonary changes, liver damage and splenomegaly were observed. Although initially adult-onset Still's disease was diagnosed according to the Yamaguchi criteria, the diagnosis of systemic lupus erythematosus was made after re-analysis of the clinical course and immunological tests.

[Clinical manifestations of Takayasu's arteritis seen at the University Medical Center in Gdańsk]

INTRODUCTION

Takayasu's arteritis (TA) is a granulomatous inflammation of the aorta and its major branches, usually occurring in young women. The disease is rare in Europe. The aim of this study was to describe clinical manifestations of TA among patients at the Department of Connective Tissue Diseases, University Medical Center in Gdańsk.

MATERIAL AND METHODS

We conducted a retrospective data analysis and performed a clinical examination of the patients. All patients met ACR criteria for TA. The mean age at disease onset was 26 years and the mean diagnostic delay was 19 months. Four out of 12 patients had a history of extensive stroke. Bypass surgery or balloon angioplasty was done in four patients. One patient underwent aortic valve replacement.

CONCLUSION

Early diagnosis and pharmacologic treatment may significantly improve the prognosis in TA.

[Frequency of appearance systemic complications of autoimmunological diseases: primary and secondary Sjögren syndrome]

PURPOSE

As Sjögren syndrome is regarded by ophthalmologists as a synonim of dry eye syndrome, we decided to evaluate how often these patients demonstrate other than ocular symptoms, especially systemic complications.

MATERIAL AND METHODS

We examined 30 patients with primary (PZS) and 45 patients with secondary Sjögren syndrome (WZS).

RESULTS

Pathological findings in course of Sjogren syndrome concerned predominantly eyes (94%) and mucous membrane of the mouth (91%), salivary glands (65%) and skin. The most frequent complaint was fatigue (91%).

CONCLUSIONS

Sjogren syndrome is a chronic systemic disease, in which predominant symptoms are: dryness of mucous membranes, chronic fatigue, painful joints and stomach disturbances.

Myocardial perfusion in women with systemic lupus erythomatosus and no symptoms of coronary artery disease

BACKGROUND

The aim of the study was to assess myocardial perfusion in women with systemic lupus erythomatosus (SLE) and no symptoms of coronary artery disease (CAD).

MATERIAL AND METHODS

Twenty two women with SLE of mean age 40.5 +/- 7.2 were enrolled in the study. The average duration time of the disease was from 2 to 19 years, mean 8 +/- 4.6 years. The inclusion criterion was the absence of stenocardial symptoms. The myocardial perfusion was studied by using Single Photon Emission Computerized Tomography (SPECT) utilising (99m)Tc-MIBI and a triple-head gamma-camera. We also analyzed risk factors of heart ischemic disease in our group.

RESULTS

Myocardial perfusion stress scanning showed abnormal perfusion in 12 patients, 54.5% of the whole group, mostly in the anterior wall. At rest hypoperfusion abnormalities were found in 7 individuals. In patients with positive myocardial perfusion, out scanning, risk factors of CAD were more pronounced than in a sub-group with a negative result of myocardial perfusion scanning.

CONCLUSIONS

In young women with SLE and no symptoms of coronary artery disease, myocardial perfusion defects may be detected by means of myocardial perfusion scintigraphy. Exercise and resting electrocardiography tests could be not sufficient for CAD diagnosis in women with SLE. The presence of coronary artery disease risk factors in women with SLE could be an indication to perform myocardial perfusion SPECT scanning.

[Clinical symptoms variety as a cause of late diagnosed Takayasu's arteritis]

Takayasu's arteritis (TA) is a chronic inflammatory arteritis, preferentially affecting the major arteries such as the aorta and its main branches. Its course may be biphasic, with an early systemic phase characterised by non-specific inflammatory features and a later stage with occlusive lesion of the affected vessels. We reported 3 patients with TA, who presented very varied symptoms. These cases emphasise the importance of ultrasound image, which can help to establish the diagnosis at very early stage of vasculitis and improve prognosis.

A case of multisymptomatic relapsing polychondritis in a 22-year-old woman

A case of multisymptomatic relapsing polychondritis in a 22-year-old woman. We report a case of a 22-year-old woman with relapsing polychondritis (RP)--a rare and little known systemic autoimmune disease characterised by episodic inflammation of cartilaginous structures (ear, nose, bronchi, trachea, larynx, ribs, cardiovascular system). This patient presents with a seven-year history, initiated by the saddle nose. The patient developed a multitude of symptoms: auricular chondritis, ocular symptoms, recurrent arthritis, respiratory complications (laryngotracheomalacia, bilateral vocal cord palsy), sensorineural hearing loss and enchondroma of the humeral bone. The examination of an auricle biopsy by an immunofluorescent method and a positive serum reaction from the patient to normal cartilage supported the immunological nature of relapsing polychondritis. Treatment consisted of orally administered prednisone and diaminodiphenylsulfone (Dapsone).