1.Anthropometric indices in men with Metabolic syndrome
Yansanjav D ; ; Bolortseteg Z ; Nyamdorj D ; Enebish S ; ; Munkh-Bayarlakh S ; Uurtuya Sh ; Jurumt B
Mongolian Journal of Health Sciences 2026;95(5):30-36
Background:
According to the World Health Organization (WHO), 25–30% of the total population in developing countries are affected by metabolic syndrome (MetS). MetS is defined as a cluster of interrelated conditions encompassing abdominal obesity, arterial hypertension, hyperglycemia, and dyslipidemia, and constitutes a significant precursor to cardiovascular disease (CVD), cerebrovascular accident (stroke), and type 2 diabetes mellitus (T2DM). The global prevalence of MetS continues to rise in parallel with increasing rates of sedentary behavior and obesity. Morphological alterations associated with MetS are reflected in changes in anthropometric parameters that vary according to individual constitutional characteristics. Physical development is a dynamic process influenced by age, sex, occupational activity, living environment, and geographic-climatic conditions. In the Mongolian population, specific lifestyle patterns, climatic factors, and behavioral characteristics further amplify the risk of obesity, thereby contributing to increasing morbidity and mortality from T2DM and CVD. Although previous studies in Mongolia have examined the prevalence of MetS and its associated risk factors, data on anthropometric profiles of individuals with MetS remain limited. Therefore, establishing normative anthropometric reference values for individuals with MetS in the Mongolian population is of critical importance.
Aim:
To determine and compare selected anthropometric parameters between Mongolian males with metabolic syndrome and those without metabolic syndrome.
Materials and Methods:
A total of 227 males aged 30-60 years residing in Ulaanbaatar city were enrolled in this study. Participants were classified into two groups according to the 2009 Joint Interim Statement (JIS) diagnostic criteria: 88 males (38.8%) met the diagnostic criteria for MetS (case group) and 139 males (61.2%) did not (control group).
Results:
Comparisons of anthropometric measurements stratified by serum ferritin quartiles revealed statistically significant differences in body weight, waist circumference (WC), body mass index (BMI), waist-to-hip ratio (WHR), percentage body fat, fat mass, and skeletal muscle mass between the MetS and non-MetS groups (p<0.001). When anthropometric parameters were compared across serum ferritin strata, only percentage body fat showed a statistically significant elevation (p=0.037), while no significant differences were observed for the remaining parameters (p>0.05). Linear regression analysis indicated that BMI (beta=3.21, p=0.036) and WHR (beta=7.11, p=0.047) independently increased the risk of elevated serum ferritin levels by 3.2-fold and 7.1-fold, respectively.
Conclusions
1. Anthropometric and hemodynamic parameters including BMI, waist circumference, waist-to-hip ratio, systolic blood pressure, and diastolic blood pressure were all significantly different between the MetS and non-MetS groups, whereas body height showed no statistically significant difference between the groups (F=0.002, p=0.962). 2. Serum ferritin concentration showed statistically significant weak positive correlations with waist circumference (r=0.20), BMI (r=0.19), waist-to-hip ratio (r=0.26), and body fat percentage (r=0.23) (p<0.01). Linear regression analysis identified BMI (β=3.21, p=0.036) and waist-to-hip ratio (β=7.11, p=0.047) as independent predictors associated with a 3.2-fold and 7.1-fold increased risk of elevated serum ferritin, respectively.
2.Genetic and risk factors of age-related macular degeneration
Ariunzaya A ; Chimedlkhamsuren G ; Bayarlakh B ; Suvd T ; Baasankhuu J ; Sarantuya J ; Uranchimeg D
Mongolian Medical Sciences 2024;210(4):18-25
Background:
Worldwide, the leading cause of blindness in people over the age of 50 is age-related macular
degeneration (AMD), which is a complication of the exudative “wet” and dry type. AMD is a
multifactorial neurodegenerative disease relating with a combination of environmental and
genetic factors, and a contribution of age effect and smoking also, obesity was investigated
to be associated with the disease. Number of previous studies have shown that the
polymorphisms in the ARMS2, CFH and VEGF-A genes are associated with AMD. Therefore,
we investigated the associations between the five common vascular endothelial growth factor
(VEGF) polymorphisms and AMD with its therapeutic results.
Materials and Methods:
Totally 161 AMD patients and 223 controls were enrolled in this case-control study. A
prospective analysis of 66 eyes of 34 patients with neovascular AMD evaluated intravitreal
bevacizumab injections. The polymorphisms in CFH, ARMS2 and VEGF-А were detected
by using the methods of allele-specific polymerase chain reaction (ASPCR) and PCR based
restriction fragment length polymorphism (RFLP). Statistical analyses were performed by
SNPalyze software.
Results:
Results of the study showed that rs1061170, rs1065489, and rs800292 polymorphisms are
associated with arterial hypertension. Anti-coagulant intake rs1061170 polymorphism T/C,
C/C/C/C risk genotype (OR=5.04, 95% CI, 1.81-14.09, p=0.002, RERI=2.568, AP=0.509,
S=2.7302) , combined effect of G/C/C/C/ /G, G/A risk genotype (OR=6.52, 95% CI, 2.88
14.79, p<0.001, RERI=4.187, AP=0.642, S=4.136) are associated with increased risk of AMD. In the study, in 66 eyes of a total of 34 people who received intravitreous injection
treatment, the central retinal thickness before and after treatment was 294.59±83.52 before
treatment, 262.74±87.02 on the first day after treatment, 259.5±111.83 after one month,
248.98±84.96 after 3 months, and 262.69 after 6 months. ±110.59, after 1 year it decreased
to 259.19±112.29 (95% CI, 226.74-291.65), which is a statistically significant difference. A
comparative study of polymorphisms in therapeutic and non-therapeutic groups revealed
statistically significant differences in the G/G groups of rs2010963 polymorphisms. Also,
people with G/G genotype of rs2010963 polymorphism are more effective in treatment than
people with other genotypes.
Conclusion
Individual factors such as not wearing sunglasses and arterial hypertension and using anti
coagulant medication have been identified as risk factors for AMD. The result showed that
polymorphisms of ARMS2, CFH, VEGF genes can be a genetic risk factor for AMD. The
decreased in central retinal thickness and improving VA after anti-VEGF treatment confirm the
effectiveness of the treatment. Also, people with G/G genotype of rs2010963 polymorphism
are more effective in treatment than people with other genotypes. Identification of genetic
markers that affect clinical response may result in optimization of anti-VEGF therapy.
3.Detection of virulent of Klebsiella isolates from ñlinical samples
Undarmaa G ; Munkhdelger YA ; Bayarlakh B ; Oyunchimeg R ; Dolgorjav B ; Sarantuya J
Mongolian Medical Sciences 2016;175(1):21-25
IntroductionKlebsiella spp is a well-known opportunistic pathogen associated with nosocomial infections such asurinary tract, septicaemia and pneumonia number of multi-drug resistant strains and infections causedby Klebsiella has progressively increased, causing treatment limitations.GoalIdentify of phenotype of Klebseilla isolates from ñlinical samplesMaterials and MethodsA total of 112 Klebsiella strains were isolated from clinical samples in State Central First Hospital and StateCentral Third Hospital from July 2015 through December 2015. The bacterial isolates were identifi edaccording to cultural characteristics, biochemical test and API20E. The serum resistance, capsule andhypermucoviscosity, cell surface protein (curly), a-hemolysin and ability to form biofi lm were sought byphenotypic assays. Antimicrobial susceptibility was tested by diffusion method.ResultA total of 112 Klebsiella samples were collected. The bacterial isolates were identifi ed according tocultural characteristics, biochemical test and API20E, the results revealed that 16.1 percent isolateswere identifi ed as K.oxytoca all of them 83.9 percent isolates were belong to K.pneumonia. Therewere observed for ampicillin (99 percent), nitrofurantoin (53.6 percent), cepalotin (50.6 percent) and51 percent of isolates were considered as a multiple drug resistant. Serum resistance properties ofK.pneumoniae was resistance 89.4 percent, intermediately susceptible 4.3 percent, sensitive 6.4percent and for K.oxytoca resistance 88.9 percent, intermediately susceptible 5.6 percent, sensitive 5.6percent. The hemolysin àalpha was detected in 32.2 percent, and gamma, beta in 66.96 percent, 0.9percent respectively. The capsule was observed in 46.5 percent and hypermucoviscosity in 27.7 percentof isolates. The cell surface protein (curly) and biofi lm were detected in 100 percent.Conclusion:Both K.pneumoniae and K.oxytoca isolates from clinical samples have similar virulent properties, andthe a-hemolysin and hypermucoviscosity positive isolates were more resistance to antibiotics.
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