Incidence and Prevalence of Polymyositis and Dermatomyositis in a Health Management Organization in Buenos Aires

Rosa, Javier; Garrot, Leandro Ferreyra; Navarta, David A.; Saucedo, Carla; Scolnik, Marina; Bedran, Zaida; García, M V Múgica; Sabelli, Mirtha; Catoggio, Luís J.; Soriano, Enrique R.

doi:10.1097/rhu.0b013e3182a21ba8

Cited by 28 publications

(10 citation statements)

References 13 publications

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“…As for the prevalence of alopecia areata, Addison's disease, antiphospholipid syndrome, celiac disease, Crohn's disease, myasthenia gravis, polymyositis, and immune thrombocytopenic purpura, all had the same prevalence level in the present study (1.6 per 100,000) but were lower than the prevalence studies respectively consulted (100/200, 0.45/11.7, 40/50, 1,000/2,000, 5.65, 14.2, 7.2, and 11.2 per 100,000) [65][66][67][68][69][70][71][72], suggesting that the small number of cases may be due to the fact that these pathologies are considered rare and the underdiagnosis related to problems with referral flow and counter-referral of users when accessing consultations [73,74].…”

Section: Distribution Of the Sociodemographic Profile Of The Samplesupporting

confidence: 43%

Population-based Study of 24 Autoimmune Diseases Carried Out in a Brazilian Microregion

Júnior¹,

Oliveira²,

Assis³

2019

JEGH

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In Brazil, epidemiological data on autoimmune diseases are scarce due to the lack of a specific policy of attention to this group of diseases. This study aimed to estimate the general and relative prevalence of the diseases presented, as well as to know the sociodemographic profile of the identified cases. This cross-sectional study was conducted with an epidemiological survey of patients with confirmed diagnosis of autoimmune diseases from primary health care in the Aguas Formosas microregion, Minas Gerais, Brazil. We have included all new and old cases found of individuals of both sexes and all ages, including those who died and emigrated during this period. A total of 407 carriers and 24 different autoimmune diseases were identified. The prevalence of autoimmune diseases in this region was 673.6 cases per 100,000 inhabitants [95% confidence interval (CI): 609.8–742.4]. Highest prevalence was identified for Hashimoto’s thyroiditis 140.6 cases per 100,000 (95% CI: 112.4–173.9), followed by vitiligo 132.4 cases per 100,000 (95% CI: 105.0–164.8), and rheumatoid arthritis 105.9 cases per 100,000 (95% CI: 81.6–135.3). The sex ratio was higher in females (69%), the most affected age group was over 60 years (30.5%), with greater predominance in the urban area (81.3%). Our data showed the general and relative prevalence of the identified diseases, allowing to know the sociodemographic profile of the identified cases and the epidemiological trend of these morbidities in a low-income Brazilian region.

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Section: Distribution Of the Sociodemographic Profile Of The Samplesupporting

confidence: 43%

Population-based Study of 24 Autoimmune Diseases Carried Out in a Brazilian Microregion

Júnior¹,

Oliveira²,

Assis³

2019

JEGH

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“…Interestingly, it was noted that scleroderma patients in these areas were more likely to drink alcohol [38]. In southern Australia, a lower prevalence of DM was reported [33] compared to other countries as well as Olmsted County [9, 32, 34, 35]. This study found a possible association between DM and a higher socioeconomic status [33].…”

Section: Discussionmentioning

confidence: 75%

“…The prevalence of BD was significantly higher in Turkey [31] compared to Olmsted County [8], other European countries and Taiwan [28–30]. The prevalence of DM in central Greece [35] was relatively high compared to the prevalences in the USA, Australia, and Argentina [9, 32–34]. The prevalences of scleroderma in Detroit, Mich., USA [36], areas of Canada [37, 38], and South Australia [39] were higher than the prevalence reported in Olmsted County [10].…”

Section: Resultsmentioning

confidence: 99%

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Prevalence of Skin and Skin-Related Diseases in the Rochester Epidemiology Project and a Comparison with Other Published Prevalence Studies

Andersen

Davis

2016

Dermatology

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In Olmsted County, Minn., USA, reliable, population-based epidemiologic research studies can be performed because of a unique medical records linkage system, the Rochester Epidemiology Project (REP). Our objective was to summarize the epidemiologic data describing the prevalence of skin and skin-related diseases derived from the REP and to compare the findings with those from other studies worldwide. Retrospectively, we reviewed the results of population-based REP studies reporting the prevalence of skin and skin-related diseases over more than 4 decades and compared them to other published prevalences globally. Prevalences from the REP reported per 100,000 persons were as follows: hidradenitis suppurativa, 130.0; psoriasis, 700.0; psoriatic arthritis in 1992, 100.0, and in 2000, 160.0; Behçet disease, 5.2; scleroderma, 13.8; dermatomyositis, 21.42; systemic lupus erythematosus (SLE), from 30.5 to 122.0 suspected SLE, 32.8; combined SLE, 41.8; discoid lupus erythematosus, 27.6, and cutaneous lupus erythematosus, 70.4 and 73.2 (from 2 studies). Many of the population-based prevalences of specific skin and skin-related diseases derived from the REP are different from those estimated globally. Suggested reasons for disparity in the prevalences globally may include differences in the type of reported prevalence, study methodology, geographic areas, ethnic groups, age distribution, and socioeconomic status.

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“…Moreover, the numerous advances in recent years for the treatment of RA may have changed the OP epidemiology in these patients. Our objective was to compare the incidence of fragility fractures in rheumatoid arthritis patients diagnosed after the year 2000 with matched controls from a University hospital-based health management organization (HMO) [13,[20][21][22][23].…”

Section: Introductionmentioning

confidence: 99%

Osteoporotic fractures in rheumatoid arthritis patients in Argentina: a matched retrospective cohort study

et al. 2021

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Background To compare the incidence of osteoporotic fractures in patients with rheumatoid arthritis (RA) with matched controls from a university hospital. Methods Consecutive RA patients (n = 100) were matched (age and sex) with controls (1:2). The follow-up period began at the index date, defined as the date of diagnosis for RA patients and the date of the first medical claim at the Health Management Organization (HMO) for non-RA patients. Fracture incidence rates per 1000 persons-years (PY) for distinct types of fractures were calculated. Multivariate cox regression analysis was performed to identify factors associated with fractures. Results One hundred RA patients were followed for a total of 975.1 patients-years and 200 controls for 1485.7 patients-years. No difference was found in the overall fracture incidence rate per 1000 PY between RA and controls (19.5, 95% CI 12.7–28.6 vs 12.1, 95% CI 7.7–18.7, p = 0.07). In the Cox regression analysis, only age (HR 1.06, 95% CI 1.02–1.11, p = 0.006) and history of a prior fracture (HR 9.85, 95% CI 2.97–32.64, p < 0.001) were associated with fractures after the index date. The stratified analysis of the fractures by location showed that only the vertebral fractures were more frequent in RA patients compared with controls (12.9 per 1000 PY, 95% CI 8.9–25.8, vs. 3.4, 95% CI 1.4–8.1, respectively, p = 0.01). Conclusion Patients with RA didn’t show an overall increased risk of osteoporotic fractures compared with matched controls, but vertebral fractures were more frequently observed in patients with RA.

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Incidence and Prevalence of Polymyositis and Dermatomyositis in a Health Management Organization in Buenos Aires

Abstract: It is difficult to compare studies from different populations and using different ascertainment techniques. These first data from Latin America are in general agreement with many studies.

Cited by 28 publications

References 13 publications

Population-based Study of 24 Autoimmune Diseases Carried Out in a Brazilian Microregion

Population-based Study of 24 Autoimmune Diseases Carried Out in a Brazilian Microregion

Prevalence of Skin and Skin-Related Diseases in the Rochester Epidemiology Project and a Comparison with Other Published Prevalence Studies

Osteoporotic fractures in rheumatoid arthritis patients in Argentina: a matched retrospective cohort study

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