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Loin pain hematuria syndrome – A case report of a challenging diagnosis for clinicians 腰痛血尿综合征-一个对临床医生具有挑战性的诊断病例报告
Pub Date : 2021-07-01 DOI: 10.4103/kkujhs.kkujhs_14_20
Hussam Haider, Haider A. Omar, J. Wani, S. Aziz
Loin pain hematuria syndrome (LPHS) is a rare syndrome of loin pain associated with hematuria, which could be either gross or microscopic in nature. The condition causes severe discomfort for patients and can lead to many limitations in activities of daily life. As such, no primary kidney pathology has been associated with this syndrome which makes it a unique entity, to be diagnosed after exclusion of secondary causes of these symptoms. The symptom complex of Loin pain hematuria has been described classically presenting in young females in their third decade and is known to have spontaneous remissions in almost half of the patients, while as rest of the patients continue to have recurrent episodes of pain and hematuria. A high index of suspicion needs to be developed by treating physician in a patient with recurrent loin pain associated with/out hematuria. We present a patient with a similar clinical course where the diagnosis of LPHS was made on clinical grounds after excluding secondary causes of her symptoms.
腰痛血尿综合征(LPHS)是一种罕见的腰痛与血尿相关的综合征,其本质上可以是肉眼或显微镜下的。这种情况会给患者带来严重的不适,并可能导致日常生活活动的许多限制。因此,没有原发性肾脏病理与该综合征相关,这使其成为一个独特的实体,需要在排除这些症状的继发原因后进行诊断。腰痛血尿的症状复合体通常出现在30岁左右的年轻女性中,已知几乎一半的患者会自发缓解,而其余的患者继续有疼痛和血尿的反复发作。对于伴有血尿的复发性腰痛患者,治疗医师应高度警惕。我们提出了一个病人有一个类似的临床过程,其中LPHS的诊断是在排除了她的症状的继发原因后作出的临床依据。
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引用次数: 0
Filariasis: A major potential imported parasitic disease in Najran District of Saudi Arabia 丝虫病:沙特阿拉伯Najran地区一种潜在的主要输入性寄生虫病
Pub Date : 2021-07-01 DOI: 10.4103/kkujhs.kkujhs_46_21
A. Saif, Mohammed Alshahrani, Ahmad Alshehri, Basim Othman, M. Bahnass, M. Mashraqi, G. Zaman, Y. Alraey, A. Madkhali
Introduction: Expatriate workers usually contribute to the origination of some infectious diseases in the countries they reside. The aim of this study was to identify and analyze available information on filariasis imported into Najran, Saudi Arabia, by expatriate workers. Methodology: Serum (n = 497) were acquired from expatriate workers of both genders from different nationalities and various ages and also from randomly chosen parts and at different time periods of Najran. The serum samples were stored in a deep freezer at a temperature of − 65°C until utilized for the serological diagnosis of filariasis by using filariasis immunoglobulin G/immunoglobulin M (IgG/IgM) combo rapid test and human filariasis antibody (IgG4) enzyme-linked immunosorbent assay (ELISA). Results: Based on IgG/IgM rapid test, the prevalence of filariasis IgG was 3.8% (19 out of 497), whereas IgG4 ELISA showed that the prevalence of filariasis was 10.9% (10 out of 92). The highest prevalence of filariasis occurred in Indian workers, in adulthood (30–49 years), and in male workers. There was no significant agreement in results between IgG/IgM rapid test and ELISA. The percentage specificity of IgG/IgM rapid test, relative to filariasis IgG4 ELISA was 80.5%. Conclusions: The possibility of health hazard due to imported filariasis and preeminently the initiation of a novel carrier focal point of the disease are likely to relied upon the abundance of carriers of microfilaria and the density of vector mosquitoes who feed on the carriers. Furthermore, the results of this study underscore the need for screening and therapeutic strategies that guarantee the control and prevention of parasitic infectious diseases.
导言:外籍工人通常是其居住国某些传染病的源头之一。本研究的目的是确定和分析由外籍工人输入沙特阿拉伯Najran的丝虫病的现有信息。方法:血清(n = 497)采集自不同国籍、不同年龄的男女外籍工人,以及随机选择的Najran不同时期的部分。血清样品保存于- 65℃的冷冻库中,使用丝虫病免疫球蛋白G/免疫球蛋白M (IgG/IgM)联合快速检测和人丝虫病抗体(IgG4)酶联免疫吸附试验(ELISA)用于丝虫病的血清学诊断。结果:IgG/IgM快速检测丝虫病IgG阳性率为3.8%(497例中19例),IgG4 ELISA检测丝虫病阳性率为10.9%(92例中10例)。丝虫病发病率最高的是印度工人、成年(30-49岁)和男性工人。IgG/IgM快速检测与ELISA检测结果无显著一致性。IgG/IgM快速检测相对于丝虫病IgG4 ELISA的特异性百分比为80.5%。结论:输入性丝虫病引起健康危害的可能性,特别是疾病新载体疫源地的形成,可能取决于微丝虫病载体的丰度和以其为食的病媒蚊子的密度。此外,这项研究的结果强调需要筛选和治疗策略,以保证控制和预防寄生虫传染病。
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引用次数: 0
Reliability of multiple pour between two classes of polyvinyl siloxane impression materials: A preliminary stereomicroscopic study 两类聚乙烯醇硅氧烷压模材料之间多次浇注的可靠性:初步立体显微镜研究
Pub Date : 2021-07-01 DOI: 10.4103/kkujhs.kkujhs_16_21
M. Sayed, Bandar Abdullah AL-Makramani, Fuad A. Al-Sanabani, F. Shaabi
Objective: To evaluate the accuracy and dimensional stability of casts made from regular set alginate alternative (AA) and monophase additional silicone (MAS) impression materials following multiple pours. Materials and Methods: A hard typodont master cast with index holes was used. A total of 20 impressions were made using a modified perforated metal tray with 10 impressions of each material. Each impression was poured four times with type IV die stone with a total of 80 stone casts (40 for each material). The horizontal anterior–posterior (HAP), horizontal cross-arch (HCA), and vertical distances were measured in the recovered stone casts using a stereomicroscope with an accuracy of 0.001 mm. The obtained data were statistically analyzed using two-way analysis of variance and Tukey's HSD post hoc test (P < 0.05). Results: The dimensions on the typodont master cast and stone casts were significantly different (P < 0.001), except for the first pour from MAS (P > 0.05). There was a statistically significant difference in the dimensions of the stone casts made from the AA and MAS impression materials among the four pour groups (P < 0.001), with exception of MAS-based casts between first pour and second pour groups at HAP and HCA dimensions. Pairwise comparisons showed statistically significant difference between the two impression materials at all measurement locations, with only one exception of HAP measurements for second-poured casts. Conclusion: A clinically acceptable casts can be made by pouring AA and MAS impressions twice. In addition, the third and fourth pours were accurate in the AA group when compared to MAS group. Clinical Significance: According the knowledge of the authors, this study is the first to evaluate the predictability of re-pouring alginate alternative impression material and compare to a standard polyvinyl siloxane impression material such as monophase. Therefore, the statement of clinical significance in the abstract will help the dentists to realize the potential uses for alginate alternative impression material and recommendations of this study.
目的:评价常规海藻酸盐替代(AA)和单相附加硅酮(MAS)压模材料多次倒模后的铸型精度和尺寸稳定性。材料与方法:采用带索引孔的硬铅字母铸模。使用改良的穿孔金属托盘,每种材料有10个印痕,共20个印痕。每个模版用IV型模石浇筑四次,共80个石模(每种材料40个)。使用立体显微镜测量恢复的石模的水平前后(HAP)、水平交叉弓(HCA)和垂直距离,精度为0.001 mm。采用双向方差分析和Tukey’s HSD事后检验对所得数据进行统计学分析(P < 0.05)。结果:除MAS第一次浇铸外,主浇铸件的尺寸与石浇铸件的尺寸差异有统计学意义(P < 0.001)。除了第一次浇筑组和第二次浇筑组在HAP和HCA尺寸上的基于MAS的浇筑体外,四种浇筑组的AA和MAS压模材料的浇筑体尺寸在统计学上有显著差异(P < 0.001)。两两比较显示,在所有测量位置,两种压模材料之间存在统计学上的显著差异,只有二次浇铸的HAP测量例外。结论:AA、MAS压模两次可制成临床可接受的铸型。此外,与MAS组相比,AA组的第三和第四次灌注更准确。临床意义:据作者所知,本研究首次评估了再灌注海藻酸盐替代印模材料的可预测性,并与标准聚氯乙烯硅氧烷印模材料(如单相)进行了比较。因此,摘要中临床意义的陈述将有助于牙医认识到海藻酸盐替代印模材料的潜在用途和本研究的建议。
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引用次数: 0
Safety and efficacy of corneal cross-linking in children with keratoconus 角膜交联治疗儿童圆锥角膜的安全性和有效性
Pub Date : 2021-01-01 DOI: 10.4103/KKUJHS.KKUJHS_28_20
Saeed S Alqahtani
Background: Keratoconus is categorized by advanced corneal protrusion and thinning, important to uneven impairment and astigmatism in ophthalmic purpose, secondary to alter in the arrangement and association of collagen. Objective: This study intended to explain the protection and efficiency of cross-linking corneal for pediatric keratoconus. Materials and Methods: This was a retrospective investigation of 32 eyes of 26 patients, age < 17 years that undertook corneal collagen for advanced keratoconus. Inclusion criteria were progressive keratoconus eyes recognized by successive topography for 6 months. The central significances procedures comprised pachymetry, keratometry, vision, and difficulties following epithelial-off cross-linking with the Dresden procedure. Results: Vernal keratoconjunctivitis (VKC) patients were extra probable to be male; 81.6% of the non-VKC patients and 96.3% of VKC patients were male . Relating pretreatment to the 2-year follow-up, around no statistically substantial modification in the mean sharp or flat keratometry, uncorrected visual acuity (UCVA) and corneal thickness or best spectacle-corrected graphic acuity in either group. There were no statistically substantial modifications in the mean visual, adverse event outcomes between the two groups. The percentage displaying advance of ectasia at 2 years was 18.5% in the VKC group and 16.7% in the non-VKC group (P = 0.83). Conclusions: Cross-linking corneal appears to be protected and active in pausing the advancement of keratoconus in pediatric patients. In addition, it can hypothetically inhibit amblyopia, progress the proper of lenses, and prevent an initial piercing keratoplasty.
背景:圆锥角膜是一种晚期角膜突出和变薄的疾病,在眼科中对不均匀损伤和散光起重要作用,其次是胶原蛋白排列和关联的改变。目的:探讨交联角膜对小儿圆锥角膜的保护作用及疗效。材料与方法:回顾性分析26例年龄< 17岁、32眼接受角膜胶原治疗的晚期圆锥角膜患者。纳入标准为连续6个月的地形图诊断为进展性圆锥角膜。中心意义包括角膜测量、角膜测量、视力和德累斯顿手术后上皮脱落交联的困难。结果:春性角膜结膜炎(VKC)患者多为男性;男性占非VKC患者的81.6%,占VKC患者的96.3%。将预处理与2年随访相比较,两组患者的平均锐度或平度、未矫正视力(UCVA)和角膜厚度或最佳眼镜矫正视明度均无统计学上的显著改变。两组之间的平均视觉不良事件结局没有统计学上的实质性改变。VKC组和非VKC组在2年时出现扩张提前的比例分别为18.5%和16.7% (P = 0.83)。结论:交联角膜在阻止小儿圆锥角膜的进展中具有保护作用和积极作用。此外,它还可以抑制弱视,促进晶状体的发育,防止初次穿孔角膜移植术。
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引用次数: 0
Factors motivating nurses to transition from clinical to academic education 促使护士从临床教育转向学术教育的因素
Pub Date : 2021-01-01 DOI: 10.4103/KKUJHS.KKUJHS_20_21
Ahmed S Alkarani, Ahmed Ibrahem
Background: Around the world, there are some problems facing nursing education and production of new nurses; one of the problems is a shortage of qualified nurse faculty members. Objectives: The objectives of the study are (1) to explore factors motivated Saudi nurses working at nursing faculties to transition from clinical practice to academy and (2) to clarify the challenges of the transition into nursing colleges at universities. Subjects and Methods: This was a descriptive, qualitative study. A semi-structured interview was implemented with nine lecturers from four Saudi Universities. Data were analyzed using thematic analysis. Results: This study publicized three themes from the experience of Saudi nurses moving from clinical practice to academy: appealing factors in academic work, including four subthemes; factors that helped integrate into academic work, including two subthemes; and factors that contributed to the transition from clinical practice to academy, including two subthemes. Conclusion: Searching for change, continuing postgraduate studies, academic social life, and a positive academic work environment are common factors motivating nurses to transfer from clinical bedside nursing care into academic teaching.
背景:在世界范围内,护理教育和新护士的培养面临着一些问题;其中一个问题是缺乏合格的护士教员。目的:本研究的目的是:(1)探索促使在护理学院工作的沙特护士从临床实践过渡到学院的因素;(2)澄清过渡到大学护理学院的挑战。研究对象和方法:本研究为描述性定性研究。对来自沙特四所大学的九名讲师进行了半结构化访谈。数据采用专题分析进行分析。结果:本研究从沙特护士从临床实践转向学术的经历中揭示了三个主题:学术工作中的吸引因素,包括四个子主题;有助于融入学术工作的因素,包括两个副主题;以及促成从临床实践到学术的转变的因素,包括两个子主题。结论:寻求改变、继续研究生学习、学术社交生活和积极的学术工作环境是促使护士从临床床边护理转向学术教学的常见因素。
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引用次数: 2
Assessment of awareness of ultrasound safety among ultrasound users in King Saudi Arabia 沙特阿拉伯国王超声使用者的超声安全意识评估
Pub Date : 2021-01-01 DOI: 10.4103/KKUJHS.KKUJHS_36_20
Mohamed Adam, M. Gameraddin, Magbool Alelyani, Abdullah Laghbi, Ibtisam Abdallah, Nada Alqahtani
Background: Ultrasound (US) is an imaging method with significant diagnostic value; it is one of the most important diagnostic tools used by a wide range of health-care professionals across many applications. Objective: Evaluate the knowledge on implementation of the safety of diagnostic ultrasound (US) and the extent of perception of users in South King Saudi Arabia (KSA) regarding safety aspects of diagnostic methods. Methodology: This cross-sectional descriptive survey was conducted in Saudi Arabia between October 2019 and September 2020. US operators used an online questionnaire in public and private Hospitals. Data were analyzed using the SPSS software program using appropriate statistical tests. Results: A total of 105 respondents of US operators completed the questionnaires. Most of them specialized in radiology (71.4%), whereas the remaining are physicians and obstetricians. A 50.5% of the US operators responded to the correct answer for US safe in the first trimester, 21.9% responded it is safe in the second trimester, and 34.3% in the third trimester. In comparison between operators about the knowledge safety issue, sonographers have a better knowledge of US safety than others (P = 0.02), whereas females have significant experience than males (P = 0.033). Qualified US operators with postgraduate studies were significantly more knowledgeable about US safety than others (P = 0.04). Conclusions: The qualification of US users has a significant impact on US safety knowledge. Practice and awareness of US safety among US operators in KSA need further training. Further efforts are made to teach and train diagnostic medical US devices to implement safety standards.
背景:超声(US)是一种具有重要诊断价值的影像学方法;它是许多医疗保健专业人员在许多应用程序中使用的最重要的诊断工具之一。目的:评估诊断超声(US)安全实施方面的知识,以及沙特阿拉伯南部国王(KSA)用户对诊断方法安全方面的认知程度。方法:这项横断面描述性调查于2019年10月至2020年9月在沙特阿拉伯进行。美国运营商在公立和私立医院使用在线问卷调查。使用SPSS软件程序进行数据分析,并进行相应的统计检验。结果:共有105名美国运营商完成了问卷调查。其中大部分专业是放射学(71.4%),其余则是内科医生和产科医生。50.5%的美国作业者在前三个月给出了“美国安全”的正确答案,21.9%的人在妊娠中期给出了“美国安全”的答案,34.3%的人在妊娠晚期给出了“美国安全”的答案。在操作员关于安全知识问题的比较中,超声技师比其他操作员对美国安全的了解更多(P = 0.02),而女性比男性有显著的经验(P = 0.033)。具有研究生学历的合格美国操作员对美国安全的了解程度明显高于其他操作员(P = 0.04)。结论:美国用户的素质对美国安全知识有显著影响。在KSA的美国操作人员的美国安全实践和意识需要进一步培训。进一步努力教授和培训美国诊断医疗设备以执行安全标准。
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引用次数: 0
Impact of COVID-19 pandemic on health services provided to elderly population in Saudi Arabia 2019冠状病毒病大流行对沙特阿拉伯老年人卫生服务的影响
Pub Date : 2021-01-01 DOI: 10.4103/KKUJHS.KKUJHS_5_21
H. AlHefdhi, Faten Alkahtani, Fatemah Shamakhi, F. Alrazhi, A. Alqahtani, Abeer M. F. Alsharaif, Sara Habtar
Background: Pandemics are not becoming infrequent events anymore. It is estimated that over 12,000 outbreaks have occurred since the year 1980, thanks to ease of travel and change in land use (Smith et al., 2014; Joes et al., 2008). The current coronavirus disease of 2019 (COVID-19) pandemic have exposed the lack of preparedness in well-connected, economically stable, developed countries. All aspects of life have changed dramatically. COVID-19 infection affects older adults with higher morbidity and mortality and those with chronic underlying medical disorders [Zhang et al., 2020]. There is an indirect effect of COVID-19 pandemic on elderly, related to quarantine and social isolation. Prolonged social isolation leads to several neurological, psychological, and medical morbidities in the elderly [Plagg et al., 2020]. On the other hand, hospital-based and community-based medical care for acute and chronic diseases was disrupted substantially during the pandemic, adding to the suffering endured by older adults. Such impact received little focus in contemporary research, especially in Saudi Arabia. Objectives: The main aim of our current investigation is to evaluate the impact of quarantine and medical care disruption on geriatric health during the COVID-19 pandemic in Saudi Arabia. Materials and Methods: We surveyed the elderly population in Saudi Arabia using a pre-designed electronic online questionnaire in Arabic language. The items were developed by collaborating with practicing family physicians, geriatricians affiliated to King Khalid University, and with service users. The link to the questionnaire was released unto social media and the elderly -and their carers- were encouraged to participate in the study. We collected sociodemographic as well as clinical data. A pilot study was conducted for a period of two months before the final version of the research tool was released. We utilized χ2 tests to evaluate the effect of categorical demographic and clinical variables. Statistical tests were 2-tailed. Significance level was set at probability (type 1 error) = 0.05. The statistical software used was SPSS, Version V27 for Windows. The study received approval from the Ethics committee in King Khalid University. Results: A total of (n = 297) Saudi elderly persons were included in the survey, of whom (n = 35, 11.8%) were men and (n = 262, 88.2%) were women. (n = 190, 64.0%) were between 65 and 74 years of age and (n = 107, 36.0%) were 75 or older. The most frequently encountered health problem was Diabetes Mellitus in (n = 126, 42.4%) followed by hypertension in (n = 117, 39.4%). (n = 117, 39.4%) reported having their urgent care needs delayed because of fear of COVID-19 infection. (n = 164, 55.2%) reported that the pandemic posed a negative effect on their mood, and further (n = 108, 36.4%) had their physical activities negatively affected. Treatment plan was impaired in (40, 13.5%) of the participants. In independent subjects (n = 24, 32.9%) were
背景:流行病已不再是罕见事件。据估计,自1980年以来,由于旅行便利和土地利用的变化,已经发生了12,000多次疫情(Smith等人,2014年;Joes et al., 2008)。当前的2019年冠状病毒病(COVID-19)大流行暴露了联系良好、经济稳定的发达国家缺乏准备。生活的方方面面都发生了巨大的变化。COVID-19感染影响的老年人发病率和死亡率较高,并伴有慢性基础疾病[Zhang等,2020]。COVID-19大流行对老年人有间接影响,与隔离和社会隔离有关。长期的社会隔离会导致老年人出现几种神经、心理和医学上的疾病[Plagg等人,2020]。另一方面,在大流行病期间,以医院和社区为基础的急性和慢性疾病医疗服务严重中断,增加了老年人的痛苦。这种影响在当代研究中很少受到关注,尤其是在沙特阿拉伯。目的:本研究的主要目的是评估沙特阿拉伯2019冠状病毒病大流行期间隔离和医疗服务中断对老年人健康的影响。材料和方法:我们使用预先设计的阿拉伯语电子在线问卷对沙特阿拉伯的老年人口进行了调查。这些项目是与执业家庭医生、哈立德国王大学(King Khalid University)附属的老年病学专家以及服务使用者合作开发的。调查问卷的链接在社交媒体上发布,老年人和他们的照顾者被鼓励参与这项研究。我们收集了社会人口学和临床数据。在研究工具的最终版本发布之前,进行了为期两个月的试点研究。采用χ2检验评价人口学分类变量和临床变量的影响。统计学检验采用双侧检验。显著性水平设为概率(1型误差)= 0.05。统计软件为SPSS, Version V27 for Windows。这项研究得到了哈立德国王大学伦理委员会的批准。结果:共有297名沙特老年人被纳入调查,其中男性35人,11.8%,女性262人,88.2%。年龄在65 ~ 74岁(n = 190, 64.0%), 75岁及以上(n = 107, 36.0%)。最常见的健康问题是糖尿病(n = 126, 42.4%),其次是高血压(n = 117, 39.4%)。(n = 117, 39.4%)报告称,由于担心COVID-19感染,他们的紧急护理需求被推迟。(n = 164, 55.2%)报告说,大流行对他们的情绪产生了负面影响,还有(n = 108, 36.4%)的身体活动受到负面影响。治疗计划受损(40.13.5%)的参与者。独立受试者(n = 24, 32.9%)在大流行后不享受日常活动,而部分依赖他人的受试者(n = 63, 34.1%)和完全依赖他人的受试者(n = 7, 17.9%) (P = 0.037)。结论:我们调查了沙特阿拉伯的老年人样本,以探索他们在医疗保健服务中断的经验。我们发现21%的人没有收到他们的药物,39.4%的人的紧急需求被推迟。身体活动、情绪和享受感均受损。在规划大流行后的老年卫生保健时,我们应考虑到当前COVID-19大流行对卫生服务提供造成的干扰。
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引用次数: 0
Antibacterial potency of extracted essential oils of some plant species against common gram-positive and gram-negative bacteria 一些植物提取物精油对常见革兰氏阳性和革兰氏阴性细菌的抑菌效力
Pub Date : 2021-01-01 DOI: 10.4103/KKUJHS.KKUJHS_3_21
G. Zaman
Background: In the last decades, due to the rapid emergence of multidrug resistant pathogens, the antibiotic-resistance phenomenon has become a global health crisis. Therefore, there is a need to find new remedies against pathogenic microbes. Objectives: The main intention of this research was to appraise the antibacterial potency of extracted essential oils (EEOs) from various plant species versus human disease-causing bacterial strains. Materials and Methods: Antibacterial and bactericidal activity of EEOs was tested on human disease-causing strains which included Gram-positive as well as Gram-negative bacteria. Antibacterial analysis for various extracts of the different plants was performed by utilizing the method of disc diffusion and deduction of minimum inhibitory concentration (MIC) by microbroth dilution assays of the EEOs against the bacterial strains. Standard antibiotics (amoxicillin, metronidazole, rifampicin, clarithromycin, oxacillin, and clindamycin) were used to compare with EEO antibacterial activity. Results: Eclipta alba EEO was most effective against Streptococcus Pyogenes (2.06 ± 0.15), Neisseria gonorrhoeae (1.50 ± 0.20), Streptococcus aureus (0.05 ± 0.02), and Pseudomonas aeruginosa (4.56 ± 0.25). Leucas linifolia EEO was most effective against E. coli (3.13 ± 0.25) and Klebsiella Pneumoniae (4.33 ± 0.23). Bactericidal activity EEO from E. alba with minimum bactericidal concentration (MBC) ranged from 0.11 ± 0.03 to 10.60 ± 0.55; Atriplex hortensis (8.73 ± 2.62–12.07 ± 0.65); Hedyotis scandens (9.13 ± 0.50–15.30 ± 0.43); L. linifolia (0.94 ± 0.05–10.73 ± 0.20); Murraya koenigii (9.0 ± 0.55–12.90 ± 0.18); and Phlogacanthus thyrsiflorus (5.96 ± 1.15–13.0 ± 0.52). Bactericidal activity E. alba EEO was highest against S. Pyogenes (4.06 ± 0.15), N. gonorrhoeae (3.06 ± 0.40), and S. aureus (0.11 ± 0.03). L. linifolia EEO was most effective against P. aeruginosa (0.94 ± 0.05) and K. Pneumoniae (8.73 ± 0.41). Against E. coli (5.96 ± 1.15), the bactericidal activity of P. thyrsiflorus EEO was most effective. Conclusions: Comparison to the antibacterial activity of EEOs from six different plant species used in the study was more effective than the tested antibiotics. MIC and MBC values show that E. alba EEO plant species was the most effective against the tested human pathogenic bacterial strains.
背景:近几十年来,由于耐多药病原菌的迅速出现,抗生素耐药现象已成为全球性的健康危机。因此,有必要寻找新的治疗病原菌的方法。目的:本研究的主要目的是评价不同植物提取物精油(EEOs)对人类致病菌株的抑菌效力。材料与方法:测定了eeo对革兰氏阳性菌和革兰氏阴性菌的抑菌和杀菌活性。采用圆盘扩散法和微肉汤稀释法计算最低抑菌浓度(MIC),对不同植物提取物进行抑菌分析。使用标准抗生素(阿莫西林、甲硝唑、利福平、克拉霉素、恶西林和克林霉素)比较EEO的抗菌活性。结果:白黄柏EEO对化脓性链球菌(2.06±0.15)、淋病奈瑟菌(1.50±0.20)、金黄色链球菌(0.05±0.02)、铜绿假单胞菌(4.56±0.25)的抑菌效果最好。对大肠杆菌(3.13±0.25)和肺炎克雷伯菌(4.33±0.23)的抑菌效果最好。最小杀菌浓度(MBC)范围为0.11±0.03 ~ 10.60±0.55;三联肌肥大(8.73±2.62 ~ 12.07±0.65);脊柱炎(9.13±0.50-15.30±0.43);柽柳(0.94±0.05 ~ 10.73±0.20);柯尼氏Murraya koenigii(9.0±0.55-12.90±0.18);胸腺棘(5.96±1.15-13.0±0.52)。对化脓性葡萄球菌(4.06±0.15)、淋病奈瑟菌(3.06±0.40)、金黄色葡萄球菌(0.11±0.03)的抑菌活性最高。对铜绿假单胞菌(0.94±0.05)和肺炎克雷伯菌(8.73±0.41)的抑菌效果最好。P. thysiflorus EEO对大肠杆菌(5.96±1.15)的杀菌活性最高。结论:本研究对6种不同植物的eeo进行抑菌活性比较,其抑菌效果优于试验抗生素。MIC值和MBC值表明,白叶青霉EEO植物种对检测的人致病菌株最有效。
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引用次数: 1
Topiramate, as prominent dual inhibitor, targeting beta-secretase and voltage-gated sodium channel: An In silico study for the management of epilepsy-associated alzheimer's disease 托吡酯,作为突出的双重抑制剂,靶向β -分泌酶和电压门控钠通道:一项用于癫痫相关阿尔茨海默病管理的硅研究
Pub Date : 2021-01-01 DOI: 10.4103/KKUJHS.KKUJHS_32_20
M. Abohashrh
Background: Alzheimer's disease (AD) is evidenced by decreased cognitive function and increased prevalence of seizures. The association of epilepsy with AD is of clinical importance. Besides, memory impairment is common in epilepsy patients. Anti-epilepsy drugs have been used in various neurodegenerative disorders other than epilepsy. Objective: To validate the assumption that an AED could be effective against AD. The therapeutic target in the cure of epilepsy is the voltage-gated sodium channel (VGSC), while beta-secretase (BACE) is a vital target in AD treatment. Materials and Methods: In this study, we describe the molecular interactions of topiramate with BACE and VGSC by “Autodock 4.2.” Free binding energy and inhibition constant of “topiramate-BACE” and “topiramate-VSC” interactions were found to be “−5.67 kcal/mol and 69.69 μM;” and “−5.64 kcal/mol and 73.88 μM,” respectively. Results: Both hydrophobic interactions and H-bond exhibit a vital role in the binding of topiramate with the BACE and VGSC. Conclusion: The study suggests that topiramate might act as a prominent dual inhibitor against BACE and VGSC, which may prove to be a promising treatment option for epilepsy-associated AD.
背景:阿尔茨海默病(AD)的证据是认知功能下降和癫痫发作的患病率增加。癫痫与AD的关联具有重要的临床意义。此外,记忆障碍在癫痫患者中很常见。抗癫痫药物已用于除癫痫以外的各种神经退行性疾病。目的:验证AED对AD有效的假设。治疗癫痫的靶点是电压门控钠通道(VGSC),而β -分泌酶(BACE)是治疗AD的重要靶点。材料和方法:在本研究中,我们通过Autodock 4.2描述托吡酯与BACE和VGSC的分子相互作用。topiram - bace和topiram - vsc的自由结合能和抑制常数分别为- 5.67 kcal/mol和69.69 μM,和- 5.64 kcal/mol和73.88 μM。结果:疏水相互作用和氢键在托吡酯与BACE和VGSC的结合中发挥了重要作用。结论:本研究提示托吡酯可能作为BACE和VGSC的双重抑制剂,这可能被证明是一种有希望的治疗癫痫相关AD的选择。
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引用次数: 0
Diagnostic techniques for human papillomavirus detection for early diagnosis of endocervical adenocarcinoma 宫颈内膜腺癌早期诊断的人乳头瘤病毒检测技术
Pub Date : 2021-01-01 DOI: 10.4103/KKUJHS.KKUJHS_19_20
Abdullah O. Almutiri
Background: The past few decades have witnessed a shift in the rate of incidence of cervical squamous cell carcinoma (SCC) and endocervical adenocarcinoma because there has been an increase in the prevalence of the endocervical adenocarcinoma and a reduction in the SCC in countries with effective screening programs in place. Although our knowledge about the underlying reasons for this shift remains deficient, it seems that the prevalence of endocervical adenocarcinoma is on the rise partly because of greater exposure to human papillomavirus (HPV), screening delays, and more importantly, technical limitations faced in diagnosing endocervical carcinoma. Objectives: This study aims to systematically review certain diagnostic methods that detect HPV which will facilitate the early diagnosis of endocervical adenocarcinoma because adjuvant therapy has proven to be inefficient for later stages of the disease. Methodology: The relevant articles were researched online using databases such as Scopus, PubMed, ScienceDirect, ProQuest, SpringerLink, and Web of Science. The databases were electronically searched. The keywords used in the search included “human papillomavirus (HPV),” “diagnosis of endocervical adenocarcinoma,” “polymerase chain reaction (PCR),” “in situ hybridization (ISH),” and “immunohistochemistry (IHC).” The search was refined to include only those articles that were nonreviewed studies and recently published, covering the period from 2010 to the present. Results: Eight articles from different parts of the world were selected for the study and were categorized into three groups depending on the diagnostic technique used in them, which included PCR, ISH, and IHC. PCR has proven to be an efficient noninvasive method that detects HPV DNA in the early stages. ISH demonstrates high specificity and sensitivity for the detection, of which genotypes of HPVs are present in endocervical adenocarcinoma lesions. Immunohistochemical staining is a simple tool for detecting HPV, but it has limited efficiency. Conclusion: A number of diagnostic tools are available to detect HPV infection for the early diagnosis of endocervical adenocarcinoma. HPV detection tests can be used in combination with the Pap test to ensure that any abnormality is not missed during diagnosis. Nonetheless, further studies should be performed to develop novel techniques or improve existing ones, so that endocervical adenocarcinomas can be detected on time and with high accuracy, and to overcome the problems faced in the cytologic diagnosis of cervical adenocarcinomas lesions.
背景:在过去的几十年里,宫颈鳞状细胞癌(SCC)和宫颈内腺癌的发病率发生了变化,因为在有有效筛查计划的国家,宫颈内腺癌的患病率有所上升,而宫颈内腺癌的发病率有所下降。虽然我们对这种转变的潜在原因的了解仍然不足,但似乎宫颈内腺癌的患病率正在上升,部分原因是更多地暴露于人乳头瘤病毒(HPV),筛查延迟,更重要的是,诊断宫颈内癌面临的技术限制。目的:本研究旨在系统回顾某些检测HPV的诊断方法,这些方法将有助于宫颈癌的早期诊断,因为辅助治疗已被证明对该疾病的晚期无效。方法:使用Scopus、PubMed、ScienceDirect、ProQuest、SpringerLink和Web of Science等数据库对相关文章进行在线研究。数据库是用电子方式检索的。搜索中使用的关键词包括“人乳头瘤病毒(HPV)”、“宫颈腺癌的诊断”、“聚合酶链反应(PCR)”、“原位杂交(ISH)”和“免疫组织化学(IHC)”。我们对搜索结果进行了改进,只纳入了2010年至今的那些未经审查的研究和最近发表的文章。结果:来自世界不同地区的8篇文章被选为研究对象,并根据所使用的诊断技术分为三组,包括PCR、ISH和IHC。PCR已被证明是一种有效的非侵入性方法,可在早期阶段检测HPV DNA。ISH在检测宫颈内腺癌病变中显示出高特异性和敏感性,其中hpv基因型存在。免疫组织化学染色是一种检测HPV的简单工具,但它的效率有限。结论:有多种检测HPV感染的诊断工具可用于宫颈内腺癌的早期诊断。HPV检测测试可以与巴氏试验结合使用,以确保在诊断过程中不会遗漏任何异常。尽管如此,仍需进一步研究,开发新技术或改进现有技术,使宫颈内腺癌能够及时、准确地发现,并克服宫颈腺癌病变细胞学诊断面临的问题。
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引用次数: 0
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King Khalid University Journal of Health Sciences
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