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Syndemics are a framework that documents health inequities and vulnerabilities in populations with rheumatic diseases. Compared with other approaches, syndemics are able to conjunctly consider epidemiological, biological, sociodemographic and economic factors, and their interactions. OBJECTIVE: To estimate health inequity and vulnerability among Indigenous and non-Indigenous populations with rheumatic and musculoskeletal diseases (RMD) in Latin America using the syndemic approach. DESIGN: This is a secondary analysis of a previously published large-scale study on the prevalence of RMD. SETTING: Studies carried out in five Latin American countries (Argentina, Colombia, Ecuador, Mexico and Venezuela). Health inequity and vulnerability in RMD were identified through a syndemic approach using network and cluster analysis. PARTICIPANTS: A total of 44 560 individuals were studied: 29.78% self-identified as Indigenous, 60.92% were female, the mean age was 43.25 years. Twenty clusters were identified in the Indigenous population and 17 in the non-Indigenous population. RESULTS: The variables associated with RMD among Indigenous populations were rurality, public health system, high joint biomechanical stress, greater pain, disability and alcoholism; and among non-Indigenous people they were being a woman, urban origin, older age, private health system, joint biomechanical stress, greater pain and disability. We identified different health inequities among patients with RMD (ie, lower educational attainment, more comorbidities), associated with factors such as Indigenous self-identification and rural residence. CONCLUSIONS: A syndemic approach enables us to identify health inequities in RMD, as shown by higher prevalence of comorbidities, disability and socioeconomic factors like lower educational attainment. These inequities exist for the overall population of patients with RMD, although it is more evident in Indigenous groups with added layers of vulnerability.
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Enfermedades Reumáticas , Sindémico , Humanos , Femenino , Adulto , Masculino , América Latina/epidemiología , Enfermedades Reumáticas/epidemiología , México , DolorRESUMEN
OBJECTIVE: To adapt cross-culturally and validate the COPCORD methodology in the indigenous Wayuu population of Zulia state, Venezuela. METHODOLOGY: A cross-sectional study was conducted on Wayuu indigenous people from the Mara and Guajira municipalities of the state of Zulia, Venezuela. The Venezuelan version of the COPCORD questionnaire was transculturally adapted and translated from Venezuelan Spanish to Wayuunaiki (Wayuu language). One hundred indigenous Wayuu, agreed to participate, they were administered the instrument, house by house, by health personnel, who were bilingual and previously trained. Positive COPCORD individuals were evaluated by rheumatologists. A descriptive analysis of variables was performed, Cronbach's alpha was measured, Spearman's correlation, screening test analysis (sensitivity, specificity, VPP and SVR+). RESULTS: 66% were women, average age 41.4years, 20% monolingual, 21% illiterate, 69% in a couple/married, 57% with informal work. Sixty-two percent reported pain, 56% with criteria of rheumatic diseases, the most frequent were: osteoarthritis (32.3%), mechanical lower back pain (13.9%), and regional rheumatic pain syndrome (12.3%). Five dimensions of the instrument presented Cronbach's alpha >0.7. The sensitivity was 100% and specificity 11.1%, VPP 14.3%, SVR+ 1.13%. CONCLUSION: The COPCORD is valid and useful as a screening tool for the detection of musculoskeletal complaints and rheumatic diseases in the indigenous Wayuu population.
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INTRODUCTION: Although low back pain (LBP) is a high-impact health condition, its burden has not been examined from the syndemic perspective. OBJECTIVE: To compare and assess clinical, socioeconomic, and geographic factors associated with LBP prevalence in low-income and upper-middle-income countries using syndemic and syndemogenesis frameworks based on network and cluster analyses. METHODS: Analyses were performed by adopting network and cluster design, whereby interrelations among the individual and social variables and their combinations were established. The required data was sourced from the databases pertaining to the six Latin-American countries. RESULTS: Database searches yielded a sample of 55,724 individuals (mean age 43.38 years, SD = 17.93), 24.12% of whom were indigenous, and 60.61% were women. The diagnosed with LBP comprised 6.59% of the total population. Network analysis showed higher relationship individuals' variables such as comorbidities, unhealthy habits, low educational level, living in rural areas, and indigenous status were found to be significantly associated with LBP. Cluster analysis showed significant association between LBP prevalence and social variables (e.g. Gender inequality Index, Human Development Index, Income Inequality). CONCLUSIONS: LBP is a highly prevalent condition in Latin-American populations with a high impact on the quality of life of young adults. It is particularly debilitating for women, indigenous individuals, and those with low educational level, and is further exacerbated by the presence of comorbidities, especially those in the mental health domain. Thus, the study findings demonstrate that syndemic and syndemogenesis have the potential to widen the health inequities stemming from LBP in vulnerable populations. Key points ⢠Syndemic and syndemogenesis evidence health disparities in Latin-American populations, documenting the complexity of suffering from a disease such as low back pain that is associated with comorbidities, unhealthy habits, and the social and regional context where they live. ⢠The use of network and cluster analyses are useful tools for documenting the complexity and the multifaceted impact in health in large populations as well as the differences between countries. ⢠The variability and impact of socioeconomic indicators (e.g., Gini index) related to low back pain and comorbidities could be felt through the use of cluster analysis, which generates evidence of regional inequality in Latin America. ⢠Populations can be studied from different models (network and cluster analysis) and grouping, presenting new interpretations beyond geographical groupings, such as syndemic and inequity in health.
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Dolor de la Región Lumbar , Adulto , Análisis por Conglomerados , Femenino , Humanos , América Latina/epidemiología , Dolor de la Región Lumbar/epidemiología , Masculino , Calidad de Vida , Sindémico , Estados Unidos , Adulto JovenRESUMEN
Epidemiological studies in Latin America suggest indigenous people lack proper healthcare for musculoskeletal (MSK) and rheumatic diseases. OBJECTIVES: This study aimed to estimate the prevalence of MSK disorders and rheumatic diseases in eight Latin American indigenous communities, and to identify which factors influence such prevalence using network analysis and syndemic approach. METHODS: This is a cross-sectional, community-based census study according to Community-Oriented Program for the Control of Rheumatic Diseases methodology. Individuals with MSK pain, stiffness or swelling in the past and/or during the last 7 days were evaluated by participating physicians. A descriptive, univariable and multivariable analysis was performed, followed by a network analysis. RESULTS: We surveyed 6155 indigenous individuals with a mean age of 41.2 years (SD 17.6; range 18-105); 3757 (61.0%) were women. Point prevalence in rank order was: low back pain in 821 (13.3%); osteoarthritis in 598 (9.7%); rheumatic regional pain syndromes in 368 (5.9%); rheumatoid arthritis in 85 (1.3%); undifferentiated arthritis in 13 (0.2%); and spondyloarthritis in 12 (0.1%). There were marked variations in the prevalence of each rheumatic disease among the communities. Multivariate models and network analysis revealed a complex relationship between rheumatic diseases, comorbidities and socioeconomic conditions. CONCLUSIONS: The overall prevalence of MSK disorders in Latin American indigenous communities was 34.5%. Although low back pain and osteoarthritis were the most prevalent rheumatic diseases, wide variations according to population groups occurred. The relationship between rheumatic diseases, comorbidities and socioeconomic conditions allows taking a syndemic approach to the study.
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Dolor Musculoesquelético/epidemiología , Grupos de Población/estadística & datos numéricos , Enfermedades Reumáticas/epidemiología , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Estudios Transversales , Femenino , Encuestas Epidemiológicas , Humanos , América Latina/epidemiología , Masculino , Persona de Mediana Edad , Análisis Multivariante , Prevalencia , Salud Pública , Factores Socioeconómicos , Sindémico , Adulto JovenRESUMEN
This study aimed to estimate the prevalence of musculoskeletal disorders and rheumatic diseases in the Warao, Kari'ña, and Chaima indigenous populations of Monagas State, Venezuela. A cross-sectional, analytical, community-based study was conducted in 1537 indigenous subjects ≥18 years old (38.6 % male, mean age 41.4 ± 17.5 years). The cross-culturally validated Community Oriented Program for the Control of Rheumatic Diseases (COPCORD) diagnostic questionnaire was applied. Subjects with a positive COPCORD diagnosis (either historic or current pain) were evaluated by primary care physicians and rheumatologists. A descriptive analysis was performed and comparisons made using analysis of variance and the chi-square test. Pain in the last 7 days was reported by 32.9 %, with pain intensity, according to a Likert-type scale [no pain, 195 (38.5 %); minimal pain, 231 (45.6 %); strong pain, 68 (13.4 %); intense pain, 5 (0.9 %)], 38.0 % reported historical pain, and 641 (41.7 %) had either historic or current pain. Of the COPCORD-positive subjects, pain most frequently occurred in the knee, back, and hands. Musculoskeletal and rheumatic diseases included osteoarthritis (14.1 %), back pain (12.4 %), rheumatic regional pain syndromes (RRPS) (9.7 %), undifferentiated arthritis (1.5 %), rheumatoid arthritis (1.1 %), and fibromyalgia (0.5 %). Chaima (18.3 %) and Kari'ña (15.6 %) subjects had a high prevalence of osteoarthritis, and Warao subjects had a high prevalence of low back pain (13.8 %). The prevalence of RRPS was high in all three ethnic groups. The Chaima group had the highest prevalence of rheumatic diseases, with 2.0 % having rheumatoid arthritis. This study provides useful information for health care policy-making in indigenous communities.
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Dolor de Espalda/etnología , Indígenas Sudamericanos , Dolor Musculoesquelético/etnología , Enfermedades Reumáticas/clasificación , Enfermedades Reumáticas/etnología , Población Urbana , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Estudios Transversales , Femenino , Humanos , Masculino , Persona de Mediana Edad , Dimensión del Dolor , Encuestas y Cuestionarios , Venezuela/epidemiología , Adulto JovenRESUMEN
The aim of the study was to determine the prevalence of musculoskeletal disorders and rheumatic diseases in an urban community in Venezuela. We conducted a cross-sectional, community-based study using the COPCORD (Community Oriented Program for Control of Rheumatic Diseases) methodology in subjects older than 18 years. Positive cases were evaluated by rheumatologists. We surveyed 3,973 individuals (1,606 males and 2,367 females), with a mean age of 43.7 years (standard deviation (SD) 17.6). Mean duration of education was 8.9 years (SD 3.7), 79.2 % had a monthly income of < US$569, and 46.4 % were working. Excluding trauma, the prevalence of pain in the 7 days prior to interview was 19.9 % (95 % confidence interval (CI) 18.7-21.2 %). Mean pain intensity on a visual analog scale was 6.3 (SD 2.2), and 30.1 % (95 % CI 28.7-31.6 %) had a history of pain. Respondents reported pain in the knees, back, hands, shoulders, and ankles in the last 7 days; 4.7 % described current functional limitation, with 16.5 % reporting limitations in the past. Regarding treatment, 23.9 % received medication, 6.4 % received physical therapy, and 2.6 % received alternative treatment. The main diagnoses were osteoarthritis in 15.0 % (95 % CI 13.9-16.1 %), rheumatic regional pain syndromes in 6.3 % (95 % CI 5.5-7.1 %), back pain in 2.8 % (95 % CI 2.3-3.4 %), rheumatoid arthritis in 0.4 % (95 % CI 0.2-0.6 %), crystal arthropathy in 0.3 % (95 % CI 0.1-0.5 %), fibromyalgia in 0.2 % (95 % CI 0.1-0.4 %), and systemic lupus erythematosus in 0.07 % (95 % CI 0.01-0.2 %). The prevalence of musculoskeletal disorders was 22.4 %, and the most prevalent disease was osteoarthritis. Pain, in which a patient is receiving treatment for musculoskeletal disorders, and physical disability were associated with the presence of a rheumatic disease.
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Dolor Musculoesquelético/epidemiología , Enfermedades Reumáticas/epidemiología , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Artritis Reumatoide/epidemiología , Artritis Reumatoide/terapia , Dolor de Espalda/epidemiología , Dolor de Espalda/terapia , Estudios Transversales , Evaluación de la Discapacidad , Empleo/estadística & datos numéricos , Femenino , Fibromialgia/epidemiología , Fibromialgia/terapia , Humanos , Renta/estadística & datos numéricos , Lupus Eritematoso Sistémico/epidemiología , Lupus Eritematoso Sistémico/terapia , Masculino , Persona de Mediana Edad , Enfermedades Musculoesqueléticas/epidemiología , Dolor Musculoesquelético/terapia , Osteoartritis/epidemiología , Osteoartritis/terapia , Dimensión del Dolor , Modalidades de Fisioterapia , Prevalencia , Enfermedades Reumáticas/terapia , Índice de Severidad de la Enfermedad , Población Urbana , Venezuela/epidemiología , Adulto JovenRESUMEN
The purpose of the study is to validate a culturally sensitive adaptation of the community-oriented program for the control of rheumatic diseases (COPCORD) methodology in several Latin American indigenous populations. The COPCORD Spanish questionnaire was translated and back-translated into seven indigenous languages: Warao, Kariña and Chaima (Venezuela), Mixteco, Maya-Yucateco and Raramuri (Mexico) and Qom (Argentina). The questionnaire was administered to almost 100 subjects in each community with the assistance of bilingual translators. Individuals with pain, stiffness or swelling in any part of the body in the previous 7 days and/or at any point in life were evaluated by physicians to confirm a diagnosis according to criteria for rheumatic diseases. Overall, individuals did not understand the use of a 0-10 visual analog scale for pain intensity and severity grading and preferred a Likert scale comprising four items for pain intensity (no pain, minimal pain, strong pain, and intense pain). They were unable to discriminate between pain intensity and pain severity, so only pain intensity was included. For validation, 702 subjects (286 male, 416 female, mean age 42.7 ± 18.3 years) were interviewed in their own language. In the last 7 days, 198 (28.2 %) subjects reported having musculoskeletal pain, and 90 (45.4 %) of these had intense pain. Compared with the physician-confirmed diagnosis, the COPCORD questionnaire had 73.8 % sensitivity, 72.9 % specificity, a positive likelihood ratio of 2.7 and area under the receiver operating characteristic curve of 0.73. The COPCORD questionnaire is a valid screening tool for rheumatic diseases in indigenous Latin American populations.
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Indio Americano o Nativo de Alaska/psicología , Asistencia Sanitaria Culturalmente Competente , Dimensión del Dolor , Encuestas y Cuestionarios , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Área Bajo la Curva , Comprensión , Características Culturales , Femenino , Conocimientos, Actitudes y Práctica en Salud/etnología , Humanos , América Latina/epidemiología , Masculino , Persona de Mediana Edad , Valor Predictivo de las Pruebas , Curva ROC , Reproducibilidad de los Resultados , Enfermedades Reumáticas/diagnóstico , Enfermedades Reumáticas/etnología , Enfermedades Reumáticas/psicología , Índice de Severidad de la Enfermedad , Traducción , Adulto JovenRESUMEN
A multicenter, national, retrospective, and cross-sectional study of 219 hospital-based Venezuelan patients with rheumatoid arthritis (RA) was aimed to evaluate the probability of continuity of treatment with oral methotrexate (MTX). Treatment survival decreased from 92% at 12 months to 42% at 180 months, as assessed by life table analysis and the Kaplan-Meier method. Forty-seven patients stopped treatment and adverse effects (29.7%) and lack of continuous access to medication (19.1%) were the most common causes for withdrawal. MTX survival was decreased in the group with combined MTX plus leflunomide therapy, as shown by the log-rank test. Venezuelan patients with RA have a probability of continuing treatment with oral MTX comparable to non-Hispanic patient populations. However, concomitant use of leflunomide may increase the risk of interruption of MTX treatment in this RA population.