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ObjectivesTo finalise and validate a disease-specific patient-reported outcome (PRO) measure: the ANCA-associated vasculitis patient-reported outcome (AAV-PRO) questionnaire. Using a 35-item candidate questionnaire developed following 50 qualitative interviews in the UK, USA and Canada, a longitudinal survey was conducted to determine the final scale structure and validate the AAV-PRO.MethodsParticipants were recruited via Vasculitis UK and the Vasculitis Patient-Powered Research Network. The 35-item candidate questionnaire was completed at baseline and 3 months; UK participants completed the EuroQol-5D-5L (EQ-5D-5L), while US participants completed a test–retest exercise, 3–5 days after baseline. Scale structure was defined using exploratory factor analysis (EFA) and Rasch analysis. Convergent and known groups validity, test–retest reliability and longitudinal construct validity were assessed.ResultsThere were 626 participants with AAV; >25% reporting ‘active disease’. EFA and Rasch analysis supported a 29-item profile measure comprising six domains: ‘organ-specific symptoms’, ‘systemic symptoms’, ‘treatment side effects’, ‘social and emotional impact’, ‘concerns about the future’ and ‘physical function’. Mean domain scores were higher for participants with ‘active disease’ versus ‘remission’ (p<0.001). Construct validity was demonstrated by correlations between domain scores and the EQ-5D-5L (range r=−0.55 to 0.78), all p<0.0001. In participants reporting ‘no change’ (n=97) during the test–retest, intraclass correlation coefficient values were high (range 0.89–0.96) for each domain.ConclusionsThe AAV-PRO, a new disease-specific PRO measure for AAV, has good face and construct validity, is reliable, feasible and discriminates among disease states.

The ANCA associated vasculitides (AAVs) affect a range of internal organs including ear nose and throat, respiratory tract, kidneys, skin and nervous system. They include granulomatosis with polyangiitis (GPA), eosinophilic granulomatosis with polyangiitis (EGPA) and microscopic polyangiitis (MPA). The AAVs are treated with high dose glucocorticoids, immunosuppressants, and targeted biological medications. Since the 1990s classification criteria for the AAVs have been based on clinical features, laboratory tests and basic imaging; an initiative to update the classification criteria incorporating newer tests, for example, anti-neutrophil cytoplasmic antibodies (ANCA) and novel imaging techniques will be published this year. There is also evidence for classification of patients based on ANCA subtype; those with anti-proteinase 3 antibodies (PR3) or anti-myeloperoxidase antibodies (MPO) have differences in response to treatment and clinical outcomes. An update is described within this review. The pathogenesis of AAV involves necrotizing inflammation of small to medium blood vessels involving multiple immunological pathways. We present an update on emerging evidence related to auto-antibodies, complement and lymphocyte pathways. This review describes emerging treatment regimens, including evidence for plasma exchange in severe disease and the inhibitor of the complement C5a receptor (C5aR) inhibitor, Avacopan. Lastly, patient reported outcomes are key secondary outcomes in randomised controlled trials and increasingly clinical practice, we report development in disease specific and glucocorticoid-specific PROs.

Objectives The cerebral vessels may be affected in primary systemic vasculitis (PSV), but little is known about cerebrovascular events (CVEs) in this population. This study aimed to determine the frequency of CVEs at the time of diagnosis of PSV, to identify factors associated with CVEs in PSV, and to explore features and outcomes of stroke in patients with PSV. Methods Data from adults newly diagnosed with PSV within the Diagnostic and Classification Criteria in VASculitis (DCVAS) study were analysed. Demographics, risk factors for vascular disease, and clinical features were compared between patients with PSV with and without CVE. Stroke subtypes and cumulative incidence of recurrent CVE during a prospective 6-month follow-up were also assessed. Results The analysis included 4828 PSV patients, and a CVE was reported in 169 (3.50%, 95% CI 3.00–4.06): 102 (2.13% 95% CI 1.73–2.56) with stroke and 81 (1.68% 95% CI 1.33–2.08) with transient ischemic attack (TIA). The frequency of CVE was highest in Behçet’s disease (9.5%, 95% CI 5.79–14.37), polyarteritis nodosa (6.2%, 95% CI 3.25–10.61), and Takayasu’s arteritis (6.0%, 95% CI 4.30–8.19), and lowest in microscopic polyangiitis (2.2%, 95% CI 1.09–3.86), granulomatosis with polyangiitis (2.0%, 95% CI 1.20–3.01), cryoglobulinaemic vasculitis (1.9%, 95% CI 0.05–9.89), and IgA-vasculitis (Henoch-Schönlein) (0.4%, 95% CI 0.01–2.05). PSV patients had a 11.9% cumulative incidence of recurrent CVE during a 6-month follow-up period. Conclusion CVEs affect a significant proportion of patients at time of PSV diagnosis, and the frequency varies widely among different vasculitis, being higher in Behçet’s. Overall, CVE in PSV is not explained by traditional vascular risk factors and has a high risk of CVE recurrence.

ObjectiveMany clinically extremely vulnerable rheumatology patients have only recently ceased shielding from COVID-19, while some continue to minimise in-person contact. The objective of this study was to understand the impact of shielding and associated support needs in patients with rheumatic conditions and to understand how rheumatology teams can meet these needs both currently and in future pandemics.Design, participants and settingThe study was conducted in the Southwest of England using a case-study design. The participants were 15 patients with rheumatic conditions who were advised to shield and/or chose to shield at any time during the COVID-19 pandemic.MethodsQualitative data collected via telephone and online semi-structured interviews and analysed using reflexive thematic analysis.ResultsFifteen interviews were conducted. Three main themes represent the data:‘Just shove them over there in the corner’ captures changes in patients’ self-perception. They felt different to most other people, vulnerable and left behind. The initial sense of shock was followed by a sense of loss as changes became long term.‘A long and lonely road’ captures patients’ psychological isolation due to a perceived lack of understanding and support. This included having to prove their health status and justify their shielding behaviours, which impacted their relationships. At times, they felt abandoned by their healthcare providers.‘You can’t just flip a switch’ captures the difficulty of getting back to pre-pandemic normal after shielding. Patients did not recognise themselves physically and mentally. They wanted to collaborate with health professionals and identified the need for specific guidance to support their recovery.ConclusionPatients are dealing with lasting physical and mental effects from shielding and consequences of delayed healthcare. Health professionals need time and resources to ask about patients’ well-being, identify their health needs and refer/signpost to appropriate sources of support.

ObjectivesThe Steroid PRO is a treatment-specific patient-reported outcome questionnaire which measures the impact of glucocorticoids on health-related quality of life. It has 15 items grouped into 4 domains (Social impact, Impact on Appearance, Psychological Impact and Treatment Concerns). Initially developed and validated in rheumatic diseases, the Steroid PRO demonstrates potential for broader application in patients with other inflammatory conditions. The objective of this study was to assess face validity, content validity and feasibility of the Steroid PRO in (1) patients treated with glucocorticoids for inflammatory respiratory, dermatological and gastroenterological conditions and (2) clinicians working within these specialties in the UK and USA.DesignQualitative study with semistructured cognitive interview methods.SettingOnline or face-to-face interviews with participants from seven departments across three secondary care hospitals in the UK and USA.ParticipantsInclusion criteria: (1) Adult patients with inflammatory respiratory, gastroenterological and dermatological conditions treated with glucocorticoids and (2) healthcare professionals (HCPs) working in respiratory, dermatology and gastroenterology departments in the UK and USA.ResultsPurposive sampling to ensure a range of patient and HCP participants. A total of 42 patient participants were recruited, from respiratory/pulmonology (n=14, 33.3%), dermatology (n=13, 31.0%) and gastroenterology (n=15, 35.8%) medical departments; 32 in the UK and 10 from the USA. Mean age 48.2 years (range 22–71) and 19 (45.2%) were female. Patient participants had a range of inflammatory lung, skin and bowel conditions, with a spectrum of demographics and patterns of glucocorticoid use. 14 HCPs participated from the UK (9) and USA (5). Face validity: 97% (30/31) patients and 100% (14/14) HCPs reported the Steroid PRO was ‘relevant or very relevant’ to them and their disease. Feasibility: 97% (30/31) patients and 100% (14/14) HCPs reported the Steroid PRO was ‘easy or very easy to complete’. Patients reported that the four domains of the Steroid PRO had relevance to them and that it was validating to see their concerns represented: ‘It’s obvious you guys know what you’re talking about—these are my issues. It’s very validating when you realise it’s not just you. These problems are real and they matter.… These are not questions my doctor asks me about. Doctors never ask about psychosocial aspects. It would be really great if they used this’ (female patient with asthma). Patients and clinicians felt the Steroid PRO would be suitable for use in clinical practice within their specialties and would aid in understanding of the impact of glucocorticoids.ConclusionsThe Steroid PRO demonstrated face validity and content validity for assessing the impact of glucocorticoids in patients with inflammatory respiratory, gastroenterological and dermatological conditions. Additionally, the feasibility of using the Steroid PRO with both patients and HCPs has been established. Future work should include quantitative testing of the Steroid PRO as an outcome measure within clinical trials in these conditions.Trial registration numberNCT06314451.

Keziah Austin,1 Shalini Janagan,2 Matthew Wells,3 Helena Crawshaw,4 Stephen McAdoo,5 Joanna C Robson2,6 1Department of Rheumatology, Royal National Hospital for Rheumatic Diseases, Bath, UK; 2Department of Rheumatology, Bristol Royal Infirmary, University Hospitals Bristol and Weston NHS Foundation Trust, Bristol, UK; 3Department of Rheumatology, Great Western Hospital, Swindon, UK; 4Department of Rheumatology, Gloucestershire Hospitals NHS Foundation Trust, Gloucester, UK; 5Department of Medicine, Imperial College London, London, UK; 6Faculty of Health and Applied Sciences, University of the West of England, Bristol, UK Correspondence: Keziah Austin, Department of Rheumatology, Royal National Hospital for Rheumatic Diseases, Bath, UK, Email [email protected] View the original paper by Dr Austin and colleagues This is in response to the Letter to the Editor

ObjectiveTo examine the performance in adults of the European Alliance of Associations for Rheumatology (EULAR)/Pediatric Rheumatology European Society (PReS)-endorsed Ankara 2008 classification criteria for IgA vasculitis (IgAV).MethodsThe EULAR/PReS/Ankara 2008 classification criteria for IgAV were applied to patients enrolled in an international observational cohort which included patients with IgAV and comparators with other forms of small-vessel and medium-vessel vasculitis. After the initial assessment of the performance of the criteria, possible revisions to increase the performance were tested. The revised criteria were then assessed in an independent validation cohort within a multicentre Turkish vasculitis registry.ResultsThe dataset consisted of 178 IgAV cases and 1705 comparators. The Ankara 2008 criteria require skin involvement plus one of the following four criteria: abdominal pain, a biopsy showing IgA deposition, arthritis or arthralgia, or renal involvement (any haematuria and/or proteinuria). The specificity of the criteria improved when a positive test for anti-neutrophil cytoplasmic autoantibody or blood cryoglobulins was considered an exclusion criterion. The revised criteria had a sensitivity of 76.4% (95% CI 69.8% to 82.2%) and a specificity of 94.5% (95.0% CI 93.4% to 95.1%). In the validation set, the sensitivity and specificity of the revised criteria were 97.8% (95% CI 94.0% to 99.0%) and 85.0% (95.0% CI 78.0% to 90.0%), respectively.ConclusionThe revised EULAR/PReS-endorsed Ankara 2008 IgAV classification criteria perform well in adults with IgAV and are appropriate for use in clinical research.

To evaluate the risk of aortic aneurysm in patients with giant cell arteritis (GCA) compared with age-, gender- and location-matched controls. A UK General Practice Research Database (GPRD) parallel cohort study of 6999 patients with GCA and 41 994 controls, matched on location, age and gender, was carried out. A competing risk model using aortic aneurysm as the primary outcome and non-aortic-aneurysm-related death as the competing risk was used to determine the relative risk (subhazard ratio) between non-GCA and GCA subjects, after adjustment for cardiovascular risk factors. Comparing the GCA cohort with the non-GCA cohort, the adjusted subhazard ratio (95% CI) for aortic aneurysm was 1.92 (1.52 to 2.41). Significant predictors of aortic aneurysm were being an ex-smoker (2.64 (2.03 to 3.43)) or a current smoker (3.37 (2.61 to 4.37)), previously taking antihypertensive drugs (1.57 (1.23 to 2.01)) and a history of diabetes (0.32 (0.19 to 0.56)) or cardiovascular disease (1.98 (1.50 to 2.63)). In a multivariate model of the GCA cohort, male gender (2.10 (1.38 to 3.19)), ex-smoker (2.20 (1.22 to 3.98)), current smoker (3.79 (2.20 to 6.53)), previous antihypertensive drugs (1.62 (1.00 to 2.61)) and diabetes (0.19 (0.05 to 0.77)) were significant predictors of aortic aneurysm. Patients with GCA have a twofold increased risk of aortic aneurysm, and this should be considered within the range of other risk factors including male gender, age and smoking. A separate screening programme is not indicated. The protective effect of diabetes in the development of aortic aneurysms in patients with GCA is also demonstrated.

The systemic vasculitides are a group of multisystem diseases, which can be life and organ threatening. High-dose immunosuppressants are required to control inflammation in vital organs, such as the kidneys, lungs, skin, joints, and eyes. Patients report a range of impacts on their health-related quality of life due to symptoms, irreversible damage, and the adverse effects of medications. The measurement of patient perspectives within clinical studies in vasculitis is essential to capture outcomes of greatest importance to patients. Validated generic, disease-specific and symptom-specific patient-reported outcomes available for use in patients with systemic vasculitis are reviewed here.

The antineutrophil cytoplasmic antibody (ANCA)-associated vasculitides (AAVs) are multisystem diseases of the small blood vessels. Patients experience irreversible damage and psychological effects from AAV and its treatment. An international collaboration was created to investigate the impact of AAV on health-related quality of life (HRQoL), and develop a disease-specific patient-reported outcome measure to assess outcomes of importance to patients. Patients with AAV from the UK, USA, and Canada were interviewed to identify salient aspects of HRQoL affected by AAV. The study was overseen by a steering committee including four patient research partners. Purposive sampling of interviewees ensured representation of a range of disease manifestations and demographics. Inductive analysis was used to identify themes of importance to patients; these were further confirmed by a free-listing exercise in the US. Individual themes were recast into candidate items, which were scrutinized by patients, piloted through cognitive interviews and received a linguistic and translatability evaluation. Fifty interviews, conducted to saturation, with patients from the UK, USA, and Canada, identified 55 individual themes of interest within seven broad domains: general health perceptions, impact on function, psychological perceptions, social perceptions, social contact, social role, and symptoms. Individual themes were constructed into >100 candidate questionnaire items, which were then reduced and refined to 35 candidate items. This is the largest international qualitative analysis of HRQoL in AAV to date, and the results have underpinned the development of 35 candidate items for a disease-specific, patient-reported outcome questionnaire.