Luvsannorov, Otgonbayar

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Solar activity influence on mortality from hemorrhagic stroke
(Elsevier BV, 2017-10-01)
Tungalagtamir Shagjaa
;
Otgonbayar Luvsannorov
;
V. Efremov
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Study of Relationship between Post Stroke Epilepsy and Solar Activity
(Mongolian National University of Medical Sciences, 2018-03-25)
Tungalagtamir Shagjaa
;
Etremov Valery Vilyamovich
;
Otgonbayar Luvsannorov
Objective: Symptomatic seizure or post-stroke seizure are the most common seizure subtypes among the elderly. The purpose of our study was to better understand post-stroke epilepsy in relation to their cerebral location, and to find a possible link between epileptic seizure after stroke debut and the differences in solar activity. Methods: This retrospective chart review of patients who died from hemorrhagic stroke in Ulaanbaatar, Mongolia. Only patients with a hemorrhagic stroke from periods with relatively high solar activity (2000-2002 and 2013-2015) and relatively low solar activity (2008-2010) were considered. Results: Hemorrhagic stroke affected mainly patients between 45-59 years of age. Post-stroke epilepsy was less prevalent less during decreased solar activity years. Post-stroke epilepsy was more prevalent in patients with subarachnoid hemorrhage and brainstem hematoma and even more prevalent in patients with diabetes (p<0.01). Conclusion: Post-stroke epilepsy was less frequent during low solar activity years. Post-stroke epilepsy with concomitant brainstem hematoma resulted in poor outcomes following stroke.
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Some Associations of Primary Headache Disorders in Mongolia: A Nationwide Population-Based Study
(Mongolian National University of Medical Sciences, 2019-12-29)
Byambasuren Tsenddorj
;
Dorjkhand Baldorj
;
Delgermaa Purev
;
Selenge Enkhtuya
;
Undram Lkhagvaa
Objective: Headache disorders are the most prevalent public-health problem, affecting people in all countries. Epidemiological data on headaches are not available in Mongolia. Our study aimed to estimate the prevalence of each headache disorders of public health importance and examine their socio-demographic associations, in urban and rural areas. Methods: There were 2,043 biologically unrelated adults (aged 18–65 years) in a door to door survey randomly sampled from Ulaanbaatar (capital of Mongolia) and four aimags (rural), and interviewed by trained researchers using a pilot-tested, validated, structured questionnaire. ICHD-II diagnostic criteria were applied. Results: The observed prevalence of any headache was 66.1%, with a female preponderance of 2:1. The age-standardized prevalence of migraines was 24.2%; prevalence was higher among females than males (OR 2.4, 95% CI 1.9; 2.9, p = .0001), and among those with high education (OR 3.0, 95% CI 1.5; 5.8, p = .002). The age-standardized prevalence of tension-type headache was 29.0%, higher among younger people. The estimated prevalence of all headaches on ≥15 days/month was 11.2% (that of probable medication-overuse headaches was about 70%). Conclusion: The prevalence of primary headaches was 63.9%, with migraines being 24.2%, and tension-type headaches 29.0%. Female gender, higher education level, and family history were associated risk factors for primary headaches. There was a relatively high prevalence of headaches on ≥15 days/month and those with probable medication overuse headaches.
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Primary headache disorders among the adult population of Mongolia: prevalences and associations from a population-based survey.
(2019-12)
Luvsannorov, Otgonbayar
;
Tsenddorj, Byambasuren
;
Baldorj, Dorjkhand
;
Enkhtuya, Selenge
;
Purev, Delgermaa
Scopus© Citations 33

Luvsannorov, Otgonbayar

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