Thamar University Journal of Natural & Applied Sciences最新文献

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Prevalence of Mitral Valve Prolapse and Its Adverse Sequelae in Healthy Adult Yemenis 也门健康成人二尖瓣脱垂的患病率及其不良后遗症
Thamar University Journal of Natural & Applied Sciences Pub Date : 2023-01-28 DOI: 10.59167/tujnas.v6i6.1320
Dhaifullah Jayed
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 Objectives: To study the prevalence of mitral valve prolapse in healthy Yemenis associated with the prevalence of its adverse sequelae.
 Methods: We performed echocardiography for 1164 healthy Yemeni individuals: 615 women and 549 men (mean age ± SD 45.7 ± 10 years).Classical mitral valve prolapse was defined as a superior displacement of mitral valve leaflets at least 2 mm with a maximal leaflets thickness of at least 5 mm during diastasis. On the other hand, nonclassic prolapse was defined as displacement of more than 2 mm with a maximal thickness of less than 5 mm.
 Results: 74 subjects (6.3 percent) had mitral valve prolapse, 40 (3.4 percent) had classic prolapse and 34 (2.9 percent) had nonclassic prolapse. None of the patients with prolapse had a history of heart failure nor anyone had atrial fibrillation except one patient (1.3 percent) had cerebrovascular disease and two patients (2.7 percent) had syncope, as compared with unadjusted prevalence of these findings on the individuals without prolapse of 0.0, 0.0, 0.0 and 1.3 percent, respectively. Chest pain, dyspnea and electrocardiographic change frequencies were similar between two groups.
 Conclusion: The prevalence of mitral valve prolapse in adult Yemenis was 6.3 percent, which is similar to the results of other studies in different countries but with low prevalence of adverse sequelae in comparison to those studies. 
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引用次数: 0
The Antimicrobial Effect of Aqueous and Ethanol Extracts of Steams, Roots and Leaves of Salvadora Persica on Oral Microbes 桑椹蒸汽、根、叶水提物及乙醇提物对口腔微生物的抑菌作用
Thamar University Journal of Natural & Applied Sciences Pub Date : 2023-01-28 DOI: 10.59167/tujnas.v4i4.1295
Adel Q. Aleryani, Salah M. Al-Bader
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 The microbial samples were collected from privet dentists clinics in Thamar province by mouth swab and mouth washing methods . S. aureu s S. mutans, , and C. albicans were isolated and a pure cultures were prepared to each microbes for farther studies .The effect of different parts of plant showed high antimicrobial activity of root extract followed by stem and leaves extracts and the antimicrobial effecacy concern positively with concentration. The ethanol extract showed more antimicrobial activity than hot water extract.
","PeriodicalId":471561,"journal":{"name":"Thamar University Journal of Natural & Applied Sciences","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135743525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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