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Evaluation of the hepatoprotective effect of different doses of curcumin and vitamin c in methotrexate-induced hepatotoxicity in mice 不同剂量姜黄素和维生素c对甲氨蝶呤肝毒性小鼠肝保护作用的评价
Pub Date : 2021-07-01 DOI: 10.4103/mj.mj_5_21
Dhekra Khudair, A. Al-Gareeb
Background: Methotrexate, the antineoplastic and immunosuppressive drug, is used in the treatment of different types of cancers and the management of chronic inflammatory diseases. Hepatotoxicity is one of its major side effects. Objectives: The present study assesses the hepatoprotective effect of different doses of curcumin and Vitamin C in methotrexate-induced hepatotoxicity. Materials and Methods: The prospective experimental study was conducted at the College of Medicine, Mustansiriyah University, Baghdad, Iraq, and in the animal's house of the Iraqi Center for Cancer Research, Baghdad-Iraq, from November 2020 to June 2021, and comprised Swiss albino female mice aged 3–4 months and weighing 30–40 g each. The mice were divided into 6 groups, the first group was considered as control which received only distilled water, the second group was considered as methotrexate group, third and fourth groups orally supplemented with 10 mg/kg and 20 mg/kg curcumin, respectively, fifth and sixth groups orally supplemented with 100 mg/kg and 200 mg/kg Vitamin C, respectively, The experiment continued for 10 days, and on the 10th day all groups, except the control one, received 20 mg/kg methotrexate intraperitoneally to induce hepatotoxicity. Parameters measured were serum alanine aminotransferase (ALT), aspartate aminotransferase, alkaline phosphatase (ALP), and lactate dehydrogenase (LDH), and liver tissue malondialdehyde (MDA), superoxide dismutase, and glutathione. SPSS 16 was used for data analysis. Results: The results show significant hepatoprotection produced by curcumin reflected by a decrease in LDH and MDA. Vitamin C also produced a significant hepatoprotection demonstrated by a decrease in ALT, ALP, LDH, and MDA. Conclusion: Curcumin and Vitamin C were found to provide hepatoprotection against methotrexate-induced hepatotoxicity through the modulation of oxidative stress biomarkers in a dose-dependent manner.
背景:甲氨蝶呤是一种抗肿瘤和免疫抑制药物,用于治疗不同类型的癌症和慢性炎症性疾病。肝毒性是其主要副作用之一。目的:研究不同剂量姜黄素和维生素C对甲氨蝶呤肝毒性的保护作用。材料与方法:前瞻性实验研究于2020年11月至2021年6月在伊拉克巴格达穆斯坦西里耶大学医学院和伊拉克巴格达伊拉克癌症研究中心的动物舍进行,实验对象为3-4个月大、体重30-40克的瑞士白化雌性小鼠。将小鼠分为6组,第一组为对照组,仅给予蒸馏水,第二组为甲氨蝶呤组,第三、四组分别口服姜黄素10 mg/kg和20 mg/kg,第五、六组分别口服维生素C 100 mg/kg和200 mg/kg,实验持续10 d,第10天除对照组外,其余各组均饲喂维生素C。腹腔注射甲氨蝶呤20 mg/kg诱导肝毒性。测定血清丙氨酸转氨酶(ALT)、天冬氨酸转氨酶、碱性磷酸酶(ALP)、乳酸脱氢酶(LDH)、肝组织丙二醛(MDA)、超氧化物歧化酶和谷胱甘肽。采用SPSS 16进行数据分析。结果:姜黄素具有明显的保肝作用,表现为LDH和MDA的降低。维生素C还通过降低ALT、ALP、LDH和MDA产生显著的肝保护作用。结论:姜黄素和维生素C通过对氧化应激生物标志物的剂量依赖性调节,对甲氨蝶呤诱导的肝毒性具有肝保护作用。
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引用次数: 1
Effects of omega-3 and vitamin c on methotrexate-induced liver injury ω-3和维生素c对甲氨蝶呤肝损伤的影响
Pub Date : 2021-07-01 DOI: 10.4103/mj.mj_6_21
D. Mohammed, A. Al-Gareeb
Context: Methotrexate (MTX)-induced liver injury is a serious side effect characterized by the increased level of hepatic biomarkers and resulted in acute liver failure. Omega 3 and Vitamin C act as antioxidant that participate in the fighting of free radicals generation during the inflammatory process. Aims: To evaluate the effect of omega 3 and Vitamin C on hepatotoxicity induced by MTX. Settings and Design: 42 (Swiss albino mice) used and divided into six groups (7 mice each): First: Maintained with normal saline, second: Received a single dose injection of MTX (20 mg/kg, intraperitoneally), third: Pretreated with omega 3 100 mg/kg, fourth: Pretreated with omega 3 200 mg/kg, fifth: Pretreated with Vitamin C 100 mg/kg, sixth: Pretreated with Vitamin C 200 mg/kg, then these group injected with MTX on day 10. Subjects and Methods: MTX as 50 mg injection. Omega 3 as capsule 1000 mg. Vitamin C as powder 1000 mg. Assessment of liver enzymes (alanine aminotransferase [ALT], aspartate aminotransferase [AST], and alkaline phosphatase [ALP]) made using automated computering device (Flexor–EL80) provider by Vitalab (South Africa). Assessment of oxidative stress markers (malondialdehyde [MDA], superoxide dismutase [SOD], reduced glutathione [GSH]) and lactate dehydrogenase (LDH) made by using competitive ELISA kits using (ELISA microplate Humareader). Results: This study showed a significant increase in the liver enzymes (ALT, AST, ALP, and LDH) as well oxidative stress markers (MDA, SOD, and GSH) with severe changes in the histopathological findings (severe inflammatory cell necrosis) among group injected with MTX as compared with control group and illustrated improvement in serum level of ALT, ALP, LDH, MDA, SOD and reduced GSH; besides improved histopathological findings (mild and moderate changes) for a group of mice pretreated with omega 3 and Vitamin C. Conclusions: This study concluded that pretreatment with omega 3 (which was strong antioxidant supplement) and Vitamin C (which was dose-dependent manner with beneficial antioxidant action) exert more hepatoprotective effect against oxidative tissue damage induced by MTX.
背景:甲氨蝶呤(MTX)诱导的肝损伤是一种严重的副作用,其特征是肝脏生物标志物水平升高,并导致急性肝衰竭。欧米茄3和维生素C作为抗氧化剂,在炎症过程中参与对抗自由基的产生。目的:评价ω3和维生素C对MTX肝毒性的影响。设置和设计:使用42只(瑞士白化病小鼠),并分为六组(每组7只):第一组:用生理盐水维持,第二组:接受单剂量MTX注射(20 mg/kg,腹膜内),第三组:用ω3 100 mg/kg预处理,第四组:用Ω3 200 mg/kg预处理,然后这些组在第10天注射MTX。受试者和方法:MTX 50 mg注射液。Omega 3胶囊1000 mg。维生素C粉末1000 mg。使用Vitalab(南非)提供的自动计算机设备(Flexor–EL80)对肝酶(丙氨酸氨基转移酶[ALT]、天冬氨酸氨基转移酶/AST]和碱性磷酸酶[ALP])进行评估。氧化应激标志物(丙二醛[MDA]、超氧化物歧化酶[SOD]、还原型谷胱甘肽[GSH])和乳酸脱氢酶(LDH)的评估通过使用竞争ELISA试剂盒使用(ELISA微孔板Humarader)进行。结果:与对照组相比,注射MTX组的肝酶(ALT、AST、ALP和LDH)和氧化应激标志物(MDA、SOD和GSH)显著增加,组织病理学表现(严重炎症细胞坏死)发生严重变化,血清ALT、ALP、LDH、MDA、SOD水平提高,GSH减少;此外,用ω3和维生素C预处理的一组小鼠的组织病理学结果(轻度和中度变化)也有所改善。结论:本研究得出结论,ω3(一种强抗氧化剂补充剂)和维生素C(具有有益抗氧化作用的剂量依赖性方式)预处理对MTX诱导的氧化组织损伤具有更大的肝脏保护作用。
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引用次数: 0
Brainstem vertigo: A brainstorming clinical entity for a clinician 脑干眩晕:临床医生的头脑风暴临床实体
Pub Date : 2021-01-01 DOI: 10.4103/MJ.MJ_26_20
S. Swain, R. Sahana
Stroke at the brain stem and cerebellum may cause sudden vestibular syndromem and isolated audiovestibular loss can herald impeding for infarction at the anterior inferior cerebellar artery territory. Patients complaining sudden isolated dizziness or vertigo are higher chance for the stroke than the general population. Proper bedside assessment of the patient is superior to the imaging such as magnetic resonance imaging for detecting the central cause. Misdiagnosis of the stroke in patient of brain stem vertigo leads to significant morbidity and mortality. The overdiagnosis of this clinical entity will cause unnecessary costly workups and medical treatment. It is important for a clinician to differentiate brain stem vertigo with isolated dizziness or vertigo from the benign disorders of the labyrinth as the treatment strategy and prognosis are different in these two situations. Bedside clinical indicators are often helpful to identify the central pathology, and so neuroimaging should be advised accordingly. This review article focuses on the epidemiology, pathophysiology, clinical presentations, and current management of the brain stem vertigo. This article will surely increase awareness among the clinicians for accurate diagnosis and treatment of the brain stem vertigo.
脑干和小脑中风可引起突发性前庭综合征,孤立性前庭听力丧失可预示小脑前下动脉区域梗塞的梗阻。有突发性孤立性头晕或眩晕症状的患者发生中风的几率高于一般人群。正确的病人床边评估优于成像,如磁共振成像检测中心原因。脑干眩晕患者卒中的误诊导致了显著的发病率和死亡率。这种临床实体的过度诊断将导致不必要的昂贵的检查和医疗。区分脑干眩晕伴孤立性眩晕或迷走神经痛的良性疾病对临床医生来说是很重要的,因为这两种情况的治疗策略和预后不同。床边临床指标通常有助于识别中枢病理,因此应建议进行相应的神经影像学检查。本文综述了脑干眩晕的流行病学、病理生理学、临床表现和目前的治疗方法。本文将提高临床医生对脑干眩晕的准确诊断和治疗的认识。
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引用次数: 0
Foliate papillitis masquerading as squamous cell carcinoma in clinical presentation 临床表现为鳞状细胞癌的片状丘疹
Pub Date : 2021-01-01 DOI: 10.4103/MJ.MJ_17_19
T. Shamim, K. Shabeer
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引用次数: 0
World's hunger and obesity both on the rise: Time to intervene 世界饥饿和肥胖人数都在上升:是时候干预了
Pub Date : 2021-01-01 DOI: 10.4103/MJ.MJ_18_19
S. Shrivastava, P. Shrivastava
In general, the public health concerns of obesity and hunger appears different, but in reality, the root cause of these problems is overlapping to a great extent. The findings of studies have indicated that childhood obesity and food insecurity can coexist, while in some children and youths, food insecurity has been linked with more risk of development of obesity. Considering the fact that a large section of human population is vulnerable to the threat of food insecurity, it is the need of the hour to take specific interventions to bridge the existing challenges. As the problem has deep roots within the existing system, the first and foremost thing will be to rope in all the concerned stakeholders and plan for a holistic approach. As maintenance of nutrition and ensuring adequate supply of food commodities is an integral aspect of elements of primary health care, the national government should design policies to warrant equitable distribution of food commodities. To conclude, the twin problem of hunger and obesity has demonstrated a significant rise in the different parts of the world. It is of utmost importance to acknowledge the problem as a public health priority and respond to the same in a concerted and organized manner.
一般来说,肥胖和饥饿的公共卫生问题似乎不同,但实际上,这些问题的根源在很大程度上是重叠的。研究结果表明,儿童肥胖和粮食不安全可以并存,而在一些儿童和青年中,粮食不安全与更大的肥胖风险有关。考虑到很大一部分人口容易受到粮食不安全威胁的事实,现在需要采取具体的干预措施来克服现有的挑战。由于这个问题在现有系统中根深蒂固,首先要做的就是将所有相关的利益相关者联系起来,并制定一个整体的方法。由于维持营养和确保粮食商品的充足供应是初级保健要素的一个组成部分,国家政府应制定保证公平分配粮食商品的政策。总而言之,饥饿和肥胖这两个孪生问题在世界各地都有显著上升。最重要的是承认这一问题是公共卫生的优先事项,并以协调一致和有组织的方式对此作出反应。
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引用次数: 0
Comparison between stool antigen test and urea breath test for diagnosing of Helicobacter pylori infection among Children in Sulaymaniyah City 粪便抗原试验与尿素呼气试验诊断苏莱曼尼亚市儿童幽门螺杆菌感染的比较
Pub Date : 2021-01-01 DOI: 10.4103/MJ.MJ_30_20
A. Hassan, Hamza Ali Faraj, H. Mohammad
Objectives: Due to increasing incidence of Helicobacter pylori infections among children, it is important to understand which diagnostic test among the noninvasive tests is more accurate, specific, and sensitive. Methodology: Forty-five children who underwent osophagogastroduodenoscopy by the same pediatric gastroenterologist, with Urea Breath Test (UBT) and Stool Antigen Test (SAT); their data were analyzed by retrospective study (2013–2019) to make a comparison between UBT and SAT (Specificity, Sensitivity, and Accuracy) using biopsy finding (histopathological finding) as confirmatory tool for diagnosis. Patients were selected according to their clinical presentations and inclusion criteria in this study are: (pediatric age group, have clinical presentation of H. pylori infection, full information in history, clinical examination, and tests). Patients with incomplete information were excluded. Results: Male (75.56%) more common than female (24.44%), abdominal pain (53.3%) is the major presentation followed by hematemesis (20%), UBT is more influenced by demographic characteristics than other tests, UBT has a statistical significant correlation with result of biopsy, also it is more accurate and more sensitive than SAT, but they share same positive predictive value and same specificity. Conclusions: UBT more preferable than SAT specially in children above 6-year-old.
目的:由于儿童幽门螺杆菌感染的发病率不断增加,了解无创检测中哪种诊断检测更准确、更特异、更敏感是很重要的。方法:45名儿童接受了同一位儿科胃肠病学家的口服胃十二指肠镜检查,进行尿素呼气测试(UBT)和粪便抗原测试(SAT);他们的数据通过回顾性研究(2013-2019)进行了分析,以使用活检发现(组织病理学发现)作为诊断的验证工具,对UBT和SAT(特异性、敏感性和准确性)进行比较。根据患者的临床表现选择患者,本研究的纳入标准为:(儿科年龄组,有幽门螺杆菌感染的临床表现,病史、临床检查和测试的完整信息)。排除信息不完整的患者。结果:男性(75.56%)比女性(24.44%)更常见,腹痛(53.3%)是主要表现,其次是吐血(20%),UBT比其他测试更受人口统计学特征的影响,UBT与活检结果有统计学显著相关性,也比SAT更准确、更敏感,但它们具有相同的阳性预测值和相同的特异性。结论:UBT优于SAT,尤其适用于6岁以上儿童。
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引用次数: 1
Differentiation of typical and atypical meningiomas using magnetic resonance imaging 磁共振成像鉴别典型和非典型脑膜瘤
Pub Date : 2021-01-01 DOI: 10.4103/MJ.MJ_36_20
Imran Nazir, Suhail Rafiq, Mohammad Naseed, M. Dar, F. Shaheen
Background: Meningiomas are the most common intracranial neoplasms. They are usually homogeneously enhancing extraaxial masses. However, 10% of meningiomas are atypical with different imaging appearance. Distinguishing typical from atypical meningiomas on imaging is highly important in surgical and treatment planning. Materials and Methods: Our study was a retrospective one comprising twenty cases each of pathologically proven typical and atypical meningiomas excluding enplaque lesions. Magnetic resonance images were reviewed with each of the lesions showed as dural-based enhancing mass. Individual features analyzed were age, gender, maximum size, location, signal characteristics on T1, T2 weighted, susceptibility weighted imaging , diffusion-weighted, apparent diffusion coefficient, contrast-enhanced T1, interface with adjacent brain tissue, signal changes in adjacent brain tissue, and changes in overlying bone. Aim: The aim of the study is to retrospectively assess the magnetic resonance imaging (MRI) features of pathologically proven typical and atypical meningiomas. Results: Magnetic resonance features such as diffusion restriction, bony changes in form of destruction, indistinct interface with brain parenchyma, heterogeneous postcontrast enhancement, and edematous changes >6 mm thick in adjacent brain parenchyma were in favor of atypical meningioma. Conclusion: MRI has the ability to differentiate typical and atypical meningiomas based on imaging appearance which is important in surgical and treatment planning.
背景:脑膜瘤是最常见的颅内肿瘤。它们通常均匀地增强轴外质量。然而,10%的脑膜瘤是非典型的,具有不同的影像学表现。在影像学上区分典型脑膜瘤和非典型脑膜瘤在手术和治疗计划中非常重要。材料和方法:我们的研究是一项回顾性研究,包括20例经病理证实的典型和非典型脑膜瘤,不包括丘疹病变。回顾磁共振图像,每个病变显示为硬膜增强肿块。分析的个体特征包括年龄、性别、最大大小、位置、T1、T2加权、易感性加权成像、扩散加权、表观扩散系数、增强T1、与邻近脑组织的界面,相邻脑组织的信号变化以及上覆骨的变化。目的:本研究的目的是回顾性评估经病理证实的典型和非典型脑膜瘤的磁共振成像(MRI)特征。结果:磁共振特征,如扩散受限、骨质破坏性改变、与脑实质界面不清、造影后不均匀增强、邻近脑实质水肿改变>6mm等,有利于非典型脑膜瘤。结论:MRI能够根据影像学表现区分典型和非典型脑膜瘤,这对手术和治疗计划很重要。
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引用次数: 0
Clinical and pathological examination of jaw masses: Retrospective analysis of 69 cases 69例颌骨肿块的临床病理分析
Pub Date : 2021-01-01 DOI: 10.4103/MJ.MJ_25_20
S. Aydın, M. Demir, H. Baran
Introductıon: The aim of this study was to retrospectively evaluate the clinicopathological features of the patients who presented with a mass in the jaw. Materıals and Methods: Clinical files and histopathological records of 69 patients who presented to our clinic with complaints of swelling or mass in the upper or lower jaw between 2010 and 2018 were analyzed retrospectively. Results: Of the cysts and tumoral lesions in patients, 50.7% (35/69) were located in the maxilla and 49.3% (34/69) were located in the mandible. 23 (32.8%) odontogenic cysts, 11 (15,7%) non-odontogenic cysts, 15 (21.4%) odontogenic tumors, 12 (17,4%) local metastases from adjacent tissues to maxilla and mandible, 5 (7.1%) other distant metastases. Among the odontogenic cysts, the most common radicular cysts were 39.13% (10/23), the second had dentigerous cyst 34.78% (8/23). In our 11 patients with non-odontogenic cysts, only nasoalveolar cysts were observed. The distribution of odontogenic tumors are; 40% (6/15) odontoma, 26.6% (4/15) giant cell reparative granuloma, 20% (3/15) ameloblastoma, 6.6% (1/15) rates of cementoma and odontogenic fibroma. Conclusıon: When the etiologic causes of the patients who have complaints of mass in the jaw are examined, we can encounter many different pathologies. Although odontogenic and non-odontogenic cysts are the most common benign masses, we should consider the masses that metastasize to this region and the primary tumors originating from this region.
Introductıon:本研究的目的是回顾性评估颌骨肿块患者的临床病理特征。Materıals和方法:回顾性分析2010 - 2018年间69例上颌或下颌肿胀或肿块患者的临床档案和组织病理学记录。结果:患者的囊肿和肿瘤病变中,50.7%(35/69)位于上颌骨,49.3%(34/69)位于下颌骨。牙源性囊肿23例(32.8%),非牙源性囊肿11例(15.7%),牙源性肿瘤15例(21.4%),邻近组织局部转移至上颌骨12例(17.4%),其他远处转移5例(7.1%)。在牙源性囊肿中,根状囊肿以39.13%(10/23)最为常见,其次为牙源性囊肿34.78%(8/23)。在我们的11例非牙源性囊肿中,仅观察到鼻肺泡囊肿。牙源性肿瘤分布有;牙髓瘤占40%(6/15),巨细胞修复性肉芽肿占26.6%(4/15),成釉细胞瘤占20%(3/15),骨水泥瘤和牙源性纤维瘤占6.6%(1/15)。Conclusıon:当检查颌骨肿块患者的病因时,我们会遇到许多不同的病理。虽然牙源性和非牙源性囊肿是最常见的良性肿块,但我们应该考虑转移到该区域的肿块和起源于该区域的原发肿瘤。
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引用次数: 0
A dental professional's personal experience as an author: Innovational and educational approach 牙科专业人士作为作家的个人经验:创新和教育方法
Pub Date : 2021-01-01 DOI: 10.4103/MJ.MJ_10_20
T. Shamim
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引用次数: 0
Reliability of international hip dysplasia institute classification for the developmental dysplasia of the hip among different medical personnel in Iraq 国际髋关节发育不良研究所对伊拉克不同医务人员髋关节发育异常分类的可靠性
Pub Date : 2020-07-01 DOI: 10.4103/mj.mj_9_20
J. Doski
Background: The international hip dysplasia institute (IHDI) classification is a new method for quantifying the severity of the developmental dysplasia of the hip (DDH). Objectives: This study aimed to compare the reliability of this classification between different medical personnel such as pediatricians, general practitioners, and family doctors in addition to orthopedic surgeons and radiologists. Methods: Hundred pelvic radiographic films (with 200 hips) were randomly selected from the files of children already diagnosed and treated as DDH cases. These films were analyzed by 12 independent observers of four different specialties: three orthopedic surgeons (Ortho Group), three radiologists (Radio Group), three pediatricians (Pediat Group), and three general practitioners (GP Group). Results: The average measures (Cronbach's alpha) for the intraclass correlation coefficient (ICC) for absolute agreement between all observers was 0.874 (with 95% confidence intervals between 0.780 and 0.925). This was considered as having a good level of reliability and agreement between all observers. The ICC for agreement between the observers of radio group showed the highest score (0.904) while that between those of GP Group had the lowest one (0.826). However, during the comparison between the mean score of each group with that of the other groups by the one-way ANOVA method, there was no statistically significant difference between all groups (P values were 0.563, 0.415, 0.399, and 0.291 respectively). Conclusion: The IHDI classification method for cases of DDH has a good level of reliability among different medical personnel regardless of their specialties.
背景:国际髋关节发育不良研究所(IHDI)分类是一种量化髋关节发育性发育不良(DDH)严重程度的新方法。目的:本研究旨在比较不同医务人员(如儿科医生、全科医生、家庭医生以及骨科医生和放射科医生)之间这种分类的可靠性。方法:从已诊断和治疗为DDH的儿童档案中随机选择100张骨盆x线片(200髋)。这些胶片由来自四个不同专业的12名独立观察者进行分析:三名骨科医生(Ortho组)、三名放射科医生(Radio组),三名儿科医生(Pediat组)和三名全科医生(GP组)。结果:所有观察者之间绝对一致性的组内相关系数(ICC)的平均测量值(Cronbach’s alpha)为0.874(95%置信区间在0.780和0.925之间)。这被认为在所有观察者间具有良好的可靠性和一致性。无线电组观察者一致性ICC得分最高(0.904),GP组观察者最低(0.826),各组间差异无统计学意义(P值分别为0.563、0.415、0.399和0.291)。结论:DDH病例的IHDI分类方法在不同专业的医务人员中具有良好的可靠性。
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引用次数: 0
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