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Biomedical subjects

Sh Erdes

Publications and source records attributed to Sh Erdes.

At least 19 recordsLinked to original sources

[The causes of death of patients with rheumatic diseases in Moscow].

The study was held in order to analyze the main causes of death in cases of rheumatic diseases (RD) in Moscow. The authors studied the pathology records of autopsies performed in 1999-2002 in two pathology departments of Moscow clinics. Cases with RD were selected. The study found 165 cases of RD, which constituted 2% of all autopsies performed in these departments. There were 99 cases (60%) of rheumatic heart disease (RHD), 4 cases (2.4%) of rheumatic fever (RF) relapse, 28 cases (17%) of rheumatoid arthritis (RA), 8 cases (4.8%) of systemic lupus erythematosus (SLE), 3 cases (1.8%) of scleroderma systematica (SS), 2 cases (1.2%) of ankylosing spondylitis (AS), 2 cases (1.2%) of systemic vasculitis (SPV), 11 cases (7.3%) of osteoarthrosis, 3 cases (1.8%) of gout, 1 case (0.6%) of polymyositis. The death of patients with RHD had been caused by hemodynamic decompensation (HD) in 54% of the cases, acute cardiovascular collapse (ACC) in 14% of the cases, 6% of the patients had died from thromboembolism (TE) and 26%--from other conditions (intoxication, uremia, brain and lung edema etc). The death of patients with RF was caused by TE in 2 cases, by HD in 1 case and by ACC in 1 case. Secondary amyloidosis resulting in chronic renal failure and uremia occurred in 5 out of 28 cases of RA, HD--in 3, ACC--in 7, TE--in 1, infectious complications--in 5, other complications--in 7 cases. Patients with SLE died from various conditions: uremia in 2 cases, acute adrenal failure in 1 case, infectious complications in 2, ACC--in 2, brain edema--in 1 case. The complications of SS were uremia and intoxication. ACC was the cause of death in cases of gout and SS. The majority of RD cases were patients with RHD. The main cause of death in RD was cardiovascular disorders.

Adult↗

[Causes of death in patients with rheumatic diseases in Moscow].

AIM: To study causes of death of rheumatic patients in Moscow. MATERIAL AND METHODS: Autopsy protocols for 1999-2002 were analysed for two pathoanatomic departments of Moscow. RESULTS: Rheumatic diseases were detected in 165 cases (2.0% of overall number of autopsies in these departments). Rheumatic heart disease (RHD) was stated in 99 (60.0%) cases, rheumatic fever relapse (RFR) in 4 (2.4%), rheumatoid arthritis (RA) in 28 (17.0%), systemic lupus erythematosus (SLE) in 8 (4.8%), systemic sclerosis (SS) in 3 (1.8%), ankylosing spondilarthritis (AS) in 2 (1.2%), systemic vasculitis (SV) in 2 (1.2%), osteoarthrosis in 11 (7.3%), gout in 3 (1.8%), polymyositis in 1 (0.6%). RHD patients died of decompensated circulation (DC) (54%), acute heart failure (AHF) (14%), thromboembolism (TE) (6%), other causes (26%). RF patients died of TE (n = 2), DC (n = 1), AHF (n = 1). Out of 28 RA patients, 5 patients died of secondary amyloidosis, 3 of DC, 7 of AHF, 1 of TE, 5 of infectious complications, 7 of other causes. SLE patients died of uremia (n = 2), acute adrenal failure (n = 1), infectious complications (n = 2), AHF (n = 2), brain edema (n = 1). CONCLUSION: Among rheumatic diseases, rheumatic heart valve disease was most severe as it caused the highest mortality. Cardiovascular pathology caused death in most of the rheumatic patients.

Adult↗

[Incidence rates of articular pain in urban and rural population of Russia (preliminary data)].

AIM: Screening of the population sample for articular pain and swelling. MATERIAL AND METHODS: A screening questionnaire for detection of arthritides and arthralgias was filled in for each adult rural and urban citizen aged over 18 years from 15 RF regions. Rural population was covered with a complete examination, urban one was examined by formation of a representative sample from general population. The screening covered a total of 31424 persons, mean age of whom was 47.6 +/- 17.6 years. Among them 14001 lived in the cities and 17423 in the villages. 61% respondents were women. RESULTS: Prevalence of arthralgias in the population reaches 46%. While the symptoms alleviated with time in 8%, they became chronic in the rest. The articular complaints rate in the population is sex-related and depends on the age. In persons under 20 years arthralgia occurs in 9%. Urban citizens have articular pains more frequently than rural population--43 and 33%, respectively. CONCLUSION: Pilot results of the screening program demonstrate prevalence of arthralgias in Russia and the importance of joint pathology problem in Russia.

Adult↗

[Statistic-mapping modeling of rheumatic diseases prevalence among population of different regions of Russia].

AIM: To assess feasibility of the method of mapping modeling for spacial featuring of rheumatic diseases (RD) morbidity statistics for population of Russia. MATERIAL AND METHODS: Population morbidity statistics for 78 administrative units of the Russian Federation (1993-2000) were processed. Statistic-mapping modeling employed weighted mean interpolation i.e. mathematic prediction of the sign value depending on its magnitude in basic points. RESULTS: Mapped images of RD prevalence, prevalence/primary morbidity values and number of documented cases/number of rheumatologists demonstrate special distribution of the signs studied about the RF territory. The estimation of mean, minimal, maximal values and dispersion of each sign established dynamic trends in the markers for the period under study(increased area with RD prevalence above 95/1000 from 15.9 to 44.5%; increased mean ratio prevalence/morbidity from 2.8 to 3.2 and decreased ratio of patients/rheumatologists from 10882 to 9031). Regions with minimal and maximal values are shown. CONCLUSION: Statistic-mapping modeling demonstrates spacial distribution of the markers, reveals the relations between them.

Humans↗

[Analysis of lethal outcomes of rheumatic diseases in Moscow].

AIM: To study the pattern of lethal outcomes due to rheumatic diseases (RD) in Moscow. MATERIAL AND METHODS: Annual reports of 38 pathological departments of Moscow have been analysed for 1999 and 2000. RESULTS: RD accounted for 1.8% diagnosis at autopsies (n = 784). RD as the main diagnosis was in 668 cases (1.53%). Diseases of the bone-muscle system caused death 3.5 times less often than rheumatism. As concommitent diseases RD were encountered in 118 cases (0.27%), diseases of the bone-muscle system were registered 2 times less frequently than rheumatism. Chronic rheumatic diseases of the heart were diagnosed in 590 cases (98.5%), rheumatic fever was detected in 9 (1.5%) patients. The main diagnosis of RA, seronegative arthritides, systemic vasculitides, SLE, osteoarthrosis was made in 49, 10 9.3, 12.7, 1.3%, respectively. Such nosological entities as osteoporosis, gout and other microcrystalline arthritides were referred to the group "other rheumatic diseases" and made up 12.7%. As concomitant pathology RA, OA, seronegative spondyloarthritides, SLE, other RD occurred in 54, 8.1, 27, 2.7, 2.7%, respectively. CONCLUSION: The share of RD in autopsy diagnosis accounts for 1.8% of the total number of necropsies. These figures seem to underestimate the real situation and may be explained by poor registration of RD at autopsy and a fall in the total number of autopsies for the last 10 years. For Moscow and Russia as a whole there is a prevalence of rheumatism mortality (76%), primarily deaths of chronic rheumatic cardiac diseases, over mortality due to diseases of the bone-muscular system (24%).

Autopsy↗

[Prevalence and risk factors in osteoarthrosis in a rural population of the Sakha Republic (Iakutiia)].

AIM: To study epidemiology of osteoarthrosis among native population living in rural North of Russia. MATERIAL AND METHODS: Population of four villages of the Vilyui region of Sakha Republic (1216 citizens) was covered with a one-stage survey. Population of three villages were Yakuts, one village--evenks. RESULTS: Prevalence of osteoarthrosis among native population of rural Yakutia is 18.0% (definite-9.4%, suspected--8.6%). General and specific osteoarthrosis risk factors linked with climatic-geographic local peculiarities were determined. CONCLUSION: Prevalence of osteoarthrosis among rural citizens of Yakutia is higher than among urban population and depends more on micro- and macroclimatic conditions and occupational hazards.

Adolescent↗

[Relations between ankylosing spondyloarthritis and HLA-B27 in various ethnic groups in Russia].

AIM: To characterize relationship between prevalence of ankylosing spondylarthritis (ASA) and incidence rate of HLA-B27 in genotypically different ethnic groups of Russia with interpolation of the results to other populations. MATERIAL AND METHODS: 2287 individuals from genotypically different ethnic groups were examined in overall one-stage epidemiological trial. RESULTS: Prevalence of ASA in ethnic groups ranged from 0.2 to 2.0% while occurrence of HLA0B27--from 15 to 40%. Rate of correlation between the disease prevalence and incidence of B27 was 0.82. The equation for calculation of ASA incidence rate by HLA-B27 incidence was devised: AC(%) = -0.40 + 0.06x. CONCLUSION: In most world populations prevalence of ASA correlates with population frequency HLA-B27 though in some ethnic groups this correlation is absent. Consequently, ASA is genetically heterogenous.

Adolescent↗

[Normal polymorphism of the (CTG)n repeat in the myotonin protein kinase (DM) gene on chromosome 19q13.3 in Western European populations].

Polymorphism of a highly polymorphic CTG repeat in the 3'-untranslated region of the myotonin protein kinase gene was analyzed in healthy people from several Eastern European populations (Russians, Moldovans, Belarussians, Komis, Chuvashes, Udmurts, Bashkirs, Tatars, Maris, and Mordovians). In total, 26 alleles of the CTG repeat were found, the repeat number ranging from 5 to 33 (alleles with six and seven repeats were not detected). The heterozygosity of individual populations varied from 61 to 91%. In the total sample combining all populations, the observed and expected heterozygosities did not differ (fixation index -0.0022) suggesting selective neutrality of the normal polymorphism of the CTG repeat in the myotonin protein kinase gene.

Alleles↗

[Spondylarthropathies and rheumatoid arthritis in some Finno-Ugrian populations in Russia].

AIM: Determination of the prevalence of spondylarthropathies (SAP) and rheumatoid arthritis (RA) among Finno-Ugrian population of Russia. MATERIALS AND METHODS: A one stage expedition trial was made of representative samples of Mordovian and Mari populations including 1312 citizens aged over 14 years. RESULTS: Incidence rate of SAP among Mordovian and Mari examinees was 0.7 and 0.2%, respectively, ankylosing spondylitis being most frequent finding. RA occurred in 2.5 and 0.6%, respectively. All the RA cases were females without family history of this disease. CONCLUSION: SAP and RA prevalence among Mordovian and Mari populations was high but their course is more favorable than among other population of Russia.

Adolescent↗

[Population study of antibodies to some potential pathogens of spondyloarthopathies: the study of the Chukotka population].

The paper presents the results of the study of specific immune response stimulated by some enterobacteria in populations with high incidence of HLA-B27. A, M and G antibodies to Yersinia, Clebsiella, Salmonella and Campilobacter were studied on 292 plasma samples. The levels of the antibodies varied with anthropological parameters of the examinees (gender, age, nationality). The presence of the gene HLA-B27 in the genotype levels gender dimorphism of the specific humoral immune response. This may be of importance in pathogenesis of spondyloarthropathies which occur more frequently in men.

Adolescent↗

[The prevalence of rheumatoid arthritis and the rheumatoid factor in the native inhabitants of northeastern Siberia].

AIM: The study of rheumatoid arthritis (RA) and rheumatoid factor (RF) prevalence among residents of eastern Chukotka--Eskimos and Chukchi. MATERIALS AND METHODS: Simultaneous total survey covered 974 of 1176(83.3%) residents of 4 villages in the eastern Chukotka. RESULTS: RA was diagnosed in 7(0.7%) examines. Clinical picture of the disease was characterized by for the most part symmetric affection of hand and feet joints, absence of systemic manifestations, favourable course and frequent absence of RF. RF positive titers (1:160 and higher) occurred in 23 of 804 examinees (2.9%), among Eskimos--6%. This was significantly higher than in Chukchi (2.0%) and in subjects of mixed nationality (1.3%). CONCLUSION: Prevalence and clinical picture of RA in residents of northeast Siberia were comparable with such observed in other epidemiological surveys in Russia and Alaska.

Adult↗

[Population-based study of antibodies to certain potential infectious triggers of spondylarthropathies: a study of Ugro-Finnish population of Russia].

A study was made of antibodies to some enterobacteria--potential triggers of spondyloarthropathies in population of mordva characterized by higher frequency of HLA-B27. 141 and 148 plasm samples were taken from erzya and moksha subpopulations, respectively. Enzyme immunoassay has detected specific antibodies IgA, IgM, IgG to Salmonella, Yersinia, Campylobacter and Klebsiella. Specific immune response in the mordva population appeared to depend on gender, age and nationality but not HLA-B27. In the study population the role of Klebsiella infection in development of ankylosing spondylarthritis was not confirmed though the number of the patients was not sufficient to reject this suggestion.

Antibodies, Viral↗

[Comparative study of epidemiology of spondylarthropathies in indigenous population of the Chukot peninsula and Alaska].

UNLABELLED: The paper sums up the many-year cooperative Russian-American studies of the epidemiology of spondylarthropathies in the arctic populations of the Chukot Peninsula and Alaska. AIM: Comparison of the epidemiology of spondylarthropathies in the indigenous population of the Chukot Peninsula and Alaska. MATERIALS AND METHODS: A universal design of investigation with the same diagnostic criteria was used in both countries. A total of 974 indigenous residents of the Chukot Peninsula were examined simultaneously, on the Alaska the sampling was formed as the residents applied for care. RESULTS: In both regions the study revealed 1) a high incidence of HLA-B27, reaching 40% in the Chukot Eskimos; 2) a similarly high incidence of spondylarthropathies varying from 2 to 3.4%; 3) a similar spectrum of diseases, including, primarily, ankylosing spondylarthritis and Reiter's syndrome and undifferentiated spondylarthropathies and (rarely) psoriatic arthritis. Among HLA-B27 positive adults, the incidence of spondylarthropathies in all groups is 4.2% and of ankylosing spondylarthritis 1.5%. CONCLUSION: A high incidence of spondylarthropathies, varying from 2 to 3.4%, was revealed in the Arctic populations of the Chukot Peninsula and Alaska with a high incidence of HLA-B27 antigen. Although the spectrum of detected diseases was similar in the two groups, ankylosing sponditis was more incident on the Chukot Peninsula, whereas on the Alaska reactive arthritis and nondifferentiated spondylarthropathies predominated, which can be explained by difference in the methods of examination.

Adolescent↗

[Spondyloarthropathies and HLA-B27 subtypes in the populations of the Russian North].

The aim of the study was to investigate the role of HLA-B27 subtypes in development of ankylosing spondylitis and other seronegative spondylarthropathies. Using oligotyping techniques we studied native DNA of 219 HLA-B27 positive natives: 88 Chukotka residents and 131 Mordovians (Russian Ugro-Finnish population). Only subtypes HLA-B*2705 and B*2702 were revealed. A dominant subtype of HLA-B27 among the natives was HLA-B*2705: 99% among residents of Chukotka and 86% among Mordovians. It was established that among spondylarthropathic patients the frequency of B*2705 does not differ from its incidence in the studied populations. The data support the suggestion that several B27 subtypes and common genetic determinant of B27 gene may be involved in pathogenesis of spondylarthropathy.

Alleles↗

[An epidemiological study of sacroiliitis among the native inhabitants of Chukotka].

For determination of sacroiliitis frequency among natives of Chukotka peninsula a cross-over epidemiological study was conducted. A total of 975 subjects aged 6 years and older were examined. 324 of them (33.2%) had low back pain. X-ray of the pelvis was made in 239 of 324 patients. It was found that sacroiliitis incidence in Chukotka natives makes up 11.3%. There were marked differences in sex distribution: in males 17.1%, in females 5.7%, RR = 3.9. Out of Chukotka natives with low back pain 2.5% had ankylosing spondylitis, of patients with sacroiliitis 30%. A prospective study of patients with sacroiliitis recorded development of ankylosing spondylitis in 17% of the cases 4 years after the disease onset.

Adolescent↗

[DNA typing of HLA class II genes among the aboriginal inhabitants of Chukotka].

Polymorphism of class II HLA genes was studied in native Chukotka inhabitants with the use of DNA oligotyping. The characteristics of the distribution of allelic variants of the loci HLA-DRB1, -DQA1, -DQB1, and -DPB1 were revealed; they were similar to those of other Subarctic Mongoloid populations and different from those for comparable populations of other climatic and geographic zones. Our data suggest that the specific features found for the distributions of some alleles of the loci examined are related to the geographic variation in the HLA gene system studied.

Alleles↗

[The epidemiology of spondyloarthropathies among the native inhabitants of Chukotka. 2. The prevalence of HLA-B27 in the population and among spondyloarthropathy patients].

To establish the incidence of HLA-B27 among the indigenous population of Chukot Peninsula, a one-stage cross-sectional study was made of all the natives of the two settlements of eastern Chukot Peninsula (Sireniki and Novo-Chaplino). At the moment of examination altogether 640 natives lived in both settlements. Of these, 464 persons (72.5%) could be examined clinically; HLA typing could be performed in 439 persons (68.6%). Among the 439 natives examined, antigen B27 was identified in 141 cases (32.1%). Among Eskimos, the number of HLA-B27-positive individuals amounted to 39.7%, among Chukchi to 18.9% (p = 0.0005). Half-breeds occupied an intermediate position between the two groups. The frequency of NLA-B27-positive cases was 29.7% among them. 7 patients were diagnosed to have diseases belonging to the group of spondyloarthropathies. 2 persons presented with ankylosing spondyloarthritis, 2 with Reiter's syndrome, 2 with undifferentiated spondyloarthropathies and 1 with juvenile chronic arthritis. All the patients with ankylosing spondyloarthritis and Reiter's syndrome appeared HLA-B27-positive.

Arctic Regions↗