Experiencia sobre el proceso de salud-enfermedad-atención en pacientes con artritis reumatoidea pertenecientes a la comunidad Wichí de Misión Chaqueña "El Algarrobal", Salta / Experience on the health-disease-care process in patients with rheumatoid arthritis belonging to the Wichí community of Mission Chaqueña "El Algarrobal", Salta

Introducción: se ha reportado que la prevalencia de artritis reumatoidea (AR) en la comunidad Wichí representa la más alta informada por el Grupo Latinoamericano para el Estudio de las Enfermedades Reumáticas en los Pueblos Originarios (GLADERPO). El objetivo de este estudio fue describir la experiencia sobre el proceso de salud-enfermedad-atención de pacientes con AR de la comunidad Wichí de Misión Chaqueña "El Algarrobal", Salta. Materiales y métodos: estudio narrativo. Diseño de corte etnográfico. Se realizaron entrevistas semi-estructuradas y observaciones registradas. Se utilizaron guías de entrevistas y observación. Los aspectos incluidos fueron: concepción del proceso salud-enfermedad, percepción de la AR en la vida diaria, el acceso al sistema de salud, utilización de recursos tradicionales y de medicina tradicional. Resultados: se realizaron 10 entrevistas. Los aspectos más relevantes fueron la concepción del proceso salud-enfermedad asociado al trauma social pasado y al concepto de voluntad Wichí. Se evidenció la combinación de estrategias para mejorar el dolor (biomedicina, medicina tradicional y acompañamiento religioso). Además, se observó una relación unidireccional con el sistema de salud. Conclusiones: la AR es una enfermedad con un impacto negativo en la comunidad Wichí. Se requieren otras actividades, desde otras disciplinas, para mejorar el acceso al sistema de salud y la continuidad de los tratamientos.

Introduction: the prevalence of rheumatoid arthritis (RA) in the Wichí community has already been published, representing the highest reported by the Grupo Latinoamericano para el Estudio de las Enfermedades Reumáticas en los Pueblos Originarios (GLADERPO). The objective was to describe the experience of the health-disease-care process of patients with RA from the Wichí community of Misión Chaqueña "El Algarrobal", Salta. Materials and methods: study with ethnographic design. Semi-structured interviews and recorded observations were conducted. Interview and observation guides were used. The aspects included were: conception of the health-disease process; perception of RA in daily life, access to the health system, use of traditional resources and traditional medicine. Results: ten interviews were conducted. The most relevant aspects were the conception of the health-disease process, associated with past social trauma and the concept of "Wichí good will". The combination of strategies to improve pain (biomedicine, traditional medicine and religious accompaniment) was evidenced. In addition, a unidirectional relationship with the health system was observed. Conclusions: RA is a disease with a negative impact on the Wichí community. Other activities from other disciplines are necessary to improve access to the health system and continuity of treatment.

Systemic lupus erythematosus diagnosed during hospitalization: Greater baseline disease activity, short-term damage, and death / Lupus eritematoso sistémico diagnosticado durante una internación: mayor actividad basal de la enfermedad, daño y muerte a corto plazo

ABSTRACT Objectives: To analyze initial and follow-up features of patients with systemic lupus erythematosus (SLE) diagnosed during hospitalization. Methods: Retrospective analysis of medical records: two groups were studied, a) SLE diagnosed during hospitalization (SLEin), b) SLE diagnosed on an outpatient basis (SLEout). Results: 123 patients were assessed, 87% female, mean age at diagnosis was 34 years and 45 (37%) of them were SLEin. Patients in the SLEin group had a median of 144 days from the onset of symptoms to diagnosis of SLE vs. 287 days in the SLEout group (p = 0.04). Initially, SLEin had an average SLEDAI of 10 vs. 8 in SLEout (p = 0.004) and anti-dsDNA was positive in 71% vs. 53% in SLEout (p = 0.07). Within the first 6 months, the average cumulative glucocorticoid dose was 6493 mg in SLEin patients vs. 3563 mg in SLEout (p < 0.001) and immunosuppressant usage was higher in SLEin: 62% vs. 26% in SLEout (p<0.001). Within the first year, SLEin's kidney biopsies showed lupus nephritis III or IV in 31% vs. 12% in SLEout (p = 0.003, log-rank test). Within the first 2 years, 6 SLEin patients died vs. 1 SLEout patient (p = 0.02) and SLEin patients had more damage as measured by SLICC/ACR Damage Index (median 0, range 25%-75% 0-1 vs. median 0, range 25%-75% 0-0 in SLEout; p = 0.04). Conclusions: SLEin are initially more active, require higher doses of glucocorticoids and immunosuppressants, have more significant kidney involvement, and present more damage and greater mortality in the short term.

RESUMEN Objetivo: Analizar las características de los pacientes con lupus eritematoso sistêmico (LES) diagnosticados durante una hospitalización. Métodos: Análisis retrospectivo de historias clínicas. Se estudiaron dos grupos: a) LES diagnosticado durante la hospitalización (SLEin) y b) LES diagnosticado de forma ambulatoria (SLEout). Resultados: Se evaluaron 123 pacientes (87% mujeres); edad promedio al diagnóstico 34 arios; el 37% de ellos era SLEin. Los pacientes del grupo SLEin tuvieron una mediana de 144 días desde el inicio de los síntomas hasta el diagnóstico, vs. 287 días en SLEout (p = 0,04). Inicialmente, los pacientes SLEin tenían un SLEDAI promedio de 10, vs. 8 en SLEout (p = 0,004) y anti-dsDNA positivo en el 71%, vs. el 53% en SLEout (p = 0,07). A los 6 meses, la dosis acumulada de glucocorticoides (promedio) fue de 6.493 mg en SLEin vs. 3.563 mg en SLEout (p<0,001), y el uso de inmunosupresores fue mayor en SLEin: 62% vs. 26% en SLEout (p< 0,001). Al año se halló nefritis lúpica clase III o IV en el 31% de SLEin vs. el 12% en SLEout (Log Rank Test: p = 0,003). A los 2 años, 6 pacientes de SLEin murieron, vs. un paciente de SLEout (p = 0,02). Los pacientes con SLEin tuvieron más daño (índice de daño SLICC/ACR: mediana 0, rango 25-75%: 0-1, vs. mediana 0, rango 25-75%: 0-0 en SLEout; p = 0,04). Conclusiones: Los pacientes SLEin fueron inicialmente más activos, requirieron mayores dosis de glucocorticoides e inmunosupresores, tuvieron una afectación renal más significativa y presentaron más daño y mayor mortalidad a corto plazo.

Prevalence of musculoskeletal disorders and rheumatic diseases in an Argentinean indigenous Wichi community.

OBJECTIVE: To estimate the prevalence of musculoskeletal disorders (MSK) and rheumatic diseases in an indigenous Wichi population in Argentina. METHODS: This is a cross-sectional, community-based study using the Community-Oriented Program for the Control of Rheumatic Diseases (COPCORD) methodology in ≥ 18-year-old subjects. Validated surveys were conducted by trained interviewers. Subjects with MSK pain (positive cases) were evaluated by internists and rheumatologists for diagnosis and treatment. RESULTS: A total of 648 interviews were performed (90.4% of the census population). Mean age was 37.5 years (SD 14.8), and 379 (58.5%) were female. The mean years of education was 7.0 (SD 3.7); 552 subjects (85.2%) were covered by the public health care system. A total of 216 (33.3%) subjects had MSK pain in the last 7 days. Rheumatic disease prevalence was as follows: mechanical back pain (19.0%), rheumatic regional pain syndrome (5.2%), osteoarthritis (3.2%), rheumatoid arthritis (RA) (3.2%), inflammatory back pain (1.2%), undifferentiated arthritis (0.3%), Sjögren syndrome (0.15%), and fibromyalgia (0.15%). RA patients included 19 (90.5%) women and 9 (42.9%) with RA family history. One hundred percent were seropositive and 66.7% showed radiologic erosions. The mean of Disease Activity Score [DAS-28 (ESR)] at the time of diagnosis was 5.1 (SD 1.5) and the Health Assessment Questionnaire Disability Index (HAQ-DI) was 0.8 (SD 0.4). CONCLUSION: RA prevalence was 3.2%, one of the highest reported using the COPCORD methodology in indigenous and non-indigenous peoples in Latin America, with a high percentage of family cases. Pain and functional capacity were the variables allowing patients' early referral to a specialist. Key Points • The RA prevalence was 3.2%, one of the highest reported using COPCORD methodology in indigenous and non-indigenous peoples in Latin America. • The patients with RA had high percentage of familiar history of RA. • The pain and functional capacity were the variables associated with a diagnosis of any rheumatic disease and should be considered for early referral. • The mean of the delay in the diagnosis was 5.8 years. In this community, the lack of the "migration health" phenomenon may be a social determinant that negatively impacts their health.

Description of the resources for rheumatology training and speciality certification and recertification requirements in Argentina.

The objective of the study was to analyse resources for rheumatology training, and speciality certification and recertification requirements in Argentina. Information was gathered regarding vacancies, entry requirements, duration and validity of the specialist degree in every residency and postgraduate course in adult rheumatology. The following aspects were analysed: monitoring authority, certification and recertification requirements, and mandatory recertification. Six out of 36 universities offer rheumatology postgraduate courses. Out of 65 vacancies, 36 (55%) are implemented by a National Public University in the Autonomous City of Buenos Aires (CABA), and 46 (70%) are in CABA. There are 32 vacancies for rheumatology residencies in 7 out of 24 districts, 16 of them (50%) in CABA. There are 2- to 3-year postgraduate courses; entry requirements range from 1-year experience in internal medicine to either complete residency or specialist degree in internal medicine. Training formats vary from full-time university residency to either university-based courses with part-time dedication in a rheumatology service without residency or non-university courses with part-time dedication. Not every specialist degree is automatically homologated in every jurisdiction. Provincial governments and colleges of physicians are the certification and recertification authorities; medical school was included in one district. Recertification is mandatory in only 8 districts; 40-50% of the process is achieved by merely practising as a rheumatologist. Most of the training resources are concentrated in CABA. Although there are various options, not all of them are automatically homologated. Recertification is not mandatory nationwide, and a significant part of the process involves practising as a rheumatologist.

Spanish Validation of the GEPARD Questionnaire for the Detection of Psoriatic Arthritis in Argentinian Patients with Psoriasis.

BACKGROUND/OBJECTIVE: Psoriatic arthritis (PsA) is preceded by psoriasis in approximately 80% of cases. Dermatologists are pivotal for early detection. It is important to have simple tools that allow the detection of PsA in patients with skin psoriasis. The aim of our study was to evaluate the performance of an adapted version of the GEPARD Questionnaire in Spanish in Argentinian patients with psoriasis. METHODS: This is a cross-sectional study. A new Spanish (Argentinian) (GEPARDa) translated version of the original questionnaire (German) was developed and then tested as a diagnostic tool in patients with psoriasis, PsA, osteoarthritis associated to psoriasis, and osteoarthritis, all evaluated by rheumatologists who used the CASPAR criteria. RESULTS: Eighty-three patients were included (55 [66.3%] women with a mean age of 50.7 years [SD 6.3]). Forty-four patients had PsA (29 [34.9%] patients had previous diagnosis of PsA, and 15 [18%] were newly diagnosed after referral by their dermatologists), and 39 patients were without PsA (18 [21.6%] patients had psoriasis without articular involvement, 6 [7.22%] had psoriasis associated with osteoarthritis, and 15 [18%] had osteoarthritis). An area under the curve of 0.9554 (SD 0.01; 95% CI 0.91-0.99) was calculated considering the CASPAR criteria as the gold standard. With a cutoff of ≥6 the questionnaire showed a sensitivity of 88.64%, a specificity of 89.74%, a positive likelihood ratio of 8.6, and a negative likelihood ratio of 0.12. CONCLUSIONS: The GEPARDa version has proven to be a diagnostic tool with excellent performance so that it can be considered a valid tool for the detection of PsA in Argentinian patients.

Reliability of OMERACT ultrasound elementary lesions in gout: results from a multicenter exercise.

The aim of this study was to evaluate the reliability of the outcome measures in rheumatology (OMERACT) definitions for ultrasound (US) elementary lesions in gout through an image reading exercise. Images from patients with gout (static images and videos) were collected. As an initial step, we carried out a image reading exercise within the experts of the Pan-American League of Associations for Rheumatology (PANLAR) US Study Group (n = 16). The following step consisted in a web-based exercise with the participation of larger number of sonographers (n = 63) from different centers. Images were rated evaluating the presence/absence of any US elementary lesion. Inter- and intra-reader reliabilities were analyzed using kappa coefficients. Participants were stratified according to their level of experience. In the first exercise, inter-reader kappa values were 0.45 for aggregates, 0.57 for tophus, 0.69 for erosions, and 0.90 for double contour (DC). Intra-reader kappa values were 0.86, 0.76, 0.80, and 0.90, respectively. The web-based exercise showed inter-reader kappa values for aggregates, tophus, erosions, and DC of 0.42, 0.49, 0.69, and 0.79, respectively. The intra-reader kappa values were 0.62, 0.69, 0.77, and 0.85, respectively. Reliability was not influenced by the sonographer's level of experience. The reliability of the new OMERACT US definitions for elementary lesions in gout ranged from moderate to excellent, depending on the type of lesion.

Insulin resistance promotes early atherosclerosis via increased proinflammatory proteins and oxidative stress in fructose-fed ApoE-KO mice.

High fructose intake induces an insulin resistance state associated with metabolic syndrome (MS). The effect of vascular inflammation in this model is not completely addressed. The aim of this study was to evaluate vascular remodeling, inflammatory and oxidative stress markers, and atheroma development in high-fructose diet-induced insulin resistance of ApoE-deficient mice (ApoE-KO). Mice were fed with either a normal chow or a 10% w/v fructose (HF) in drinking water over a period of 8 weeks. Thereafter, plasma metabolic parameters, vascular remodeling, atheroma lesion size, inflammatory markers, and NAD(P)H oxidase activity in the arteries were determined. HF diet induced a marked increase in plasma glucose, insulin, and triglycerides in ApoE-KO mice, provoked vascular remodeling, enhanced expression of vascular cell-adhesion molecule-1 (VCAM-1) and matrix metalloprotease 9 (MMP-9) and enlarged atherosclerotic lesion in aortic and carotid arteries. NAD(P)H oxidase activity was enhanced by fructose intake, and this effect was attenuated by tempol, a superoxide dismutase mimetic, and losartan, an Angiotensin II receptor antagonist. Our study results show that high-fructose-induced insulin resistance promotes a proinflammatory and prooxidant state which accelerates atherosclerotic plaque formation in ApoE-KO mice.

Quercetin and catechin synergistically inhibit angiotensin II-induced redox-dependent signalling pathways in vascular smooth muscle cells from hypertensive rats.

Dietary flavonoids, present in different amount in foods, are associated with the prevention of hypertension, but little is known about the interactions between them. The aim of this study was to explore the effect of quercetin (Q), catechin (C) and the mixture, on Angiotensin II (AngII)-induced redox-dependent signalling pathways and cell behaviour. Mesenteric smooth muscle cells (MesSMC) from spontaneously hypertensive rats (SHR) were incubated with AngII (0.1 µmol/L) alone, or with the mixture of low concentrations of Q and C. AngII-increased ROS production was reduced by the mixture of separately ineffective low concentration of Q (15 µmol/L) plus C (20 µmol/L). This mixture reduced AngII-stimulated NAD(P)H oxidase activation and p47phox translocation to the cell membrane, without affecting Nox2 expression. Co-incubation of Q + C significantly inhibited AngII-induced migration and proliferation, and these effects were independent of p-ERK1/2 and related with reduced p38MAPK phosphorylation. These findings demonstrated that low concentrations of singly non-effective flavonoids when are combined exert a synergistic effect in inhibiting AngII-induced redox-sensitive signalling pathways.