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Struvite as a Non-Equilibrium Solid Phase in Electrolytic Systems (Aqueous Media) Struite在电解系统(水介质)中的非平衡固相
Pub Date : 2020-01-24 DOI: 10.33140/ajun.02.01.02
Struvite (MgNH4PO4•6H2O) is not the equilibrium solid phase when introduced into pure water or into an aqueous CO2solution, with or without KOH added as the pH-modifying component. In some instances, the dissolution process consists ofseveral steps where different solid phases are formed. It results from a simulating procedure, where the entire physicochemical knowledge on the system in question is involved in the iterative computer program. The results of calculations are put incontext with formation of struvite renal calculi in urinary tracts.
当将Struite(MgNH4PO4•6H2O)引入纯水或CO2水溶液中时,无论是否添加KOH作为pH改性组分,Struite都不是平衡固相。在某些情况下,溶解过程由几个步骤组成,在这些步骤中形成不同的固相。它源于一个模拟过程,在该过程中,有关系统的全部物理化学知识都包含在迭代计算机程序中。计算结果与尿路中鸟粪石肾结石的形成无关。
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引用次数: 0
In-vitro Antibacterial activity of Rhus javanica Against Multidrug-Resistant Uropathogens 鸦胆子对多药耐药泌尿系病原体的体外抗菌活性
Pub Date : 2020-01-08 DOI: 10.33140/ajun.02.01.01
Background and objective: Antibiotic resistance is emerging as a major public health concern. From the ancient time in history,different plants and herbs have been known to have medicinal value. Rhus javanica has been found to show antibacterial activityagainst pathogenic bacteria. Thus, present study is designed to investigate the prevalence of urinary tract infection causingbacterial pathogens, its antibiogram and effect of Rhus javanica in standard in-vitro condition against multidrug-resistant.Materials and Methods: Cross-sectional study was conducted in urinary tract infection suspected patients visiting a clinic inKalimati, Kathmandu, from August to October 2019. A total of 133 midstream urine samples were collected and cultured inMacConkey agar and Blood agar media and isolates were identified by standard biochemical tests. Antibiotic susceptibilitytesting was performed according to Clinical and Laboratory Standard Institute (CLSI) guideline. Leaves extract of Rhusjavanica was obtained by maceration using 50.0% methanol andsusceptibility testing was performed by using cork borermethod in Mueller-Hinton agar.Results: Out of total 133 samples, 35.3%showed significant bacterial growth (i.e. 105 cfu/ml) on agar plate. The mostpredominant organism was Escherichia coli 17.3%, followed by Enterococcus faecalis 6.8%, Klebsiella pneumoniae 3.8%,Pseudomonas aeruginosa 3.0%, Proteus vulgaris 2.3%, and Staphylococcus aureus 2.3%. Out of 47 isolates, 53.2% were MultiDrug Resistant (MDR). Various concentrations of the crude extract used (25, 50, 75 and 100 mg/ml) showed susceptibility toall the bacterial pathogens isolated, with the diameter of zone of inhibition ranging from 12 to 28 mm.Conclusion: Methanolic extract of Rhus javanica showed antibacterial activity against multidrug-resistant isolates of bacterialuropathogens in standard in-vitro condition.
背景和目的:抗生素耐药性正在成为一个主要的公共卫生问题。自古以来,人们就知道不同的植物和草药具有药用价值。爪哇Rhus javanica已被发现对病原菌具有抗菌活性。因此,本研究旨在调查由细菌病原体引起的尿路感染的患病率、其抗菌谱以及爪哇大黄在标准体外条件下对多药耐药性的影响。材料和方法:对2019年8月至10月在加德满都卡利马蒂一家诊所就诊的疑似尿路感染患者进行横断面研究。共收集133份中游尿液样本,在MacConkey琼脂和Blood琼脂培养基中培养,并通过标准生化测试鉴定分离株。根据临床和实验室标准研究所(CLSI)指南进行抗生素敏感性测试。用50.0%的甲醇浸渍得到了鸦胆子的叶提取物,并用木栓钻孔法在Mueller-Hinton琼脂中进行了敏感性试验。结果:在总共133个样本中,35.3%的样本在琼脂平板上显示出显著的细菌生长(即105cfu/ml)。最主要的微生物是大肠杆菌17.3%,其次是粪肠球菌6.8%,肺炎克雷伯菌3.8%,铜绿假单胞菌3.0%,寻常变形杆菌2.3%,金黄色葡萄球菌2.3%。不同浓度的粗提物(25、50、75和100mg/ml)对所有分离的细菌病原体均表现出敏感性,抑制区直径在12至28mm之间。
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引用次数: 1
Liver Function Enzymes are Potential Predictive Markers for Kidney Allograft Dysfunction. 肝功能酶是异体肾移植功能障碍的潜在预测指标。
Pub Date : 2020-01-01 Epub Date: 2020-03-03 DOI: 10.33140/ajun.02.01.07
Alakesh Bera, Eric Russ, Rahul M Jindal, Maura A Watson, Robert Nee, Ofer Eidelman, John Karaian, Harvey B Pollard, Meera Srivastava

Introduction: Biopsy of the allograft is the gold standard for assessing kidney allograft dysfunction. The aim of our pilot study was to identify serum biomarkers that could obviate the need for biopsy.

Materials and methods: We conducted a study to identify the biomarkers in the serum from different groups of chronic kidney disease (CKD) patients and kidney transplanted patients vs. healthy individuals. The four groups (n=25 in each group) were as follows: 1) Patients with unstable kidney allograft transplants requiring biopsy for cause, 2) Patients with stable kidney allograft transplants, 3) Patients with CKD not on immunosuppressive therapy and, 4) healthy subjects. We measured the activity and level of serum alkaline phosphatase (ALP) and other liver enzymes (alanine transaminase (ALT) and aspartate transaminase (AST)) as potential serum biomarkers in acute allograft dysfunction.

Results: We found that ALP correlated with allograft biopsy findings, liver function, and clinical outcomes and possibly graft survival. Additionally, AST and ALT were higher in patients with graft rejection compared to non-rejected and stable kidney transplants. Moreover, the low Pearson correlations (r- values) between ALP level with age (r=0.179), gender, body mass index (r=0.236), creatinine (r=0.044) or estimated glomerular filtration rate (r=0.048) suggest that ALP may be an independent biomarker which is relatively unaffected by other individual-level variables.

Conclusion: ALP may be a putative biomarker to predict kidney allograft function and rejection. Data also indicated that liver function plays an important role for the overall success of kidney transplantation.

异体移植物活检是评估肾脏移植物功能障碍的金标准。我们初步研究的目的是确定血清生物标志物,以避免活检的需要。材料和方法:我们进行了一项研究,以确定不同组慢性肾脏疾病(CKD)患者和肾移植患者与健康个体血清中的生物标志物。四组(每组25例)分别为:1)不稳定的同种异体肾移植患者,2)稳定的同种异体肾移植患者,3)未接受免疫抑制治疗的CKD患者,4)健康受试者。我们测量了血清碱性磷酸酶(ALP)和其他肝酶(丙氨酸转氨酶(ALT)和天冬氨酸转氨酶(AST))的活性和水平,作为急性同种异体移植物功能障碍的潜在血清生物标志物。结果:我们发现ALP与同种异体移植物活检结果、肝功能、临床结果以及可能的移植物存活相关。此外,与非排斥和稳定的肾移植相比,移植排斥患者的AST和ALT较高。此外,ALP水平与年龄(r=0.179)、性别、体重指数(r=0.236)、肌酐(r=0.044)或肾小球滤过率(r=0.048)之间的低Pearson相关性(r-值)表明,ALP可能是一种独立的生物标志物,相对而言不受其他个体水平变量的影响。结论:ALP可能是预测同种异体肾移植功能和排斥反应的生物标志物。数据还表明,肝功能对肾移植的整体成功起着重要作用。
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引用次数: 2
Tenofovir Induced Acute Kidney Injury and Severe Anemia: A Case Series of Four Patients 替诺福韦引起的急性肾损伤和严重贫血:四例患者的病例系列
Pub Date : 2019-12-20 DOI: 10.33140/ajun.01.01.08
We report four cases of atypical acute kidney injury (AKI) associated with the used of Tenofovir (TDF). Elevatedcreatinine, normoglycemic glycosuria with unusual high proteinuria, high serum phosphate and severe anemia wereobserved. After withdrawal of TDF, glomerular filtration rate (GFR) and hemoglobin level increase in all the patients,but only one patient have a complete remission. Clinician should be aware of this atypical TDF induced AKI presentationwith end stage Kidney Disease characteristics.
我们报告了四例与使用替诺福韦(TDF)相关的非典型急性肾损伤(AKI)病例。观察到胰蛋白酶升高、血糖正常的糖尿病、异常高蛋白尿、高血清磷酸盐和严重贫血。TDF停药后,所有患者的肾小球滤过率(GFR)和血红蛋白水平均升高,但只有一名患者病情完全缓解。临床医生应该意识到这种非典型TDF诱导的AKI表现具有终末期肾脏疾病的特征。
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引用次数: 0
Biomarkers for Early Diagnosis of Acute Kidney Injury 急性肾损伤早期诊断的生物标志物
Pub Date : 2019-12-19 DOI: 10.33140/ajun.01.01.09
Acute kidney injury (AKI) is a common and potentially life-threatening conditionassociated with morbidity and mortality.Currently, the standard diagnostic tools for the detection of AKI are monitoring of urinary output and serum creatinine (sCr),both of which are markers of kidney function but not kidney injury. Novel AKI biomarkers have made significant contributionsto our understanding of the molecular under pinnings of AKI, they could also have use as molecular phenotyping tools thatfacilitate the identification of patients who could benefit from a specific intervention, even a biomarker-targeted interventionand they were proved to be useful in facilitating early diagnosis, guiding targeted interventions and monitoring the diseaseprogression and resolution.
急性肾损伤(AKI)是一种常见且可能危及生命的疾病,与发病率和死亡率相关。目前,检测AKI的标准诊断工具是监测尿量和血清肌酐(sCr),这两者都是肾功能的标志,但不是肾损伤的标志。新的AKI生物标志物对我们理解AKI的分子基础做出了重大贡献,它们也可以作为分子表型工具,促进识别可以从特定干预中受益的患者,甚至是生物标志物靶向干预,它们被证明在促进早期诊断,指导靶向干预和监测疾病进展和解决方面是有用的。
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引用次数: 0
Investigation of Nutritional Status of Hemodialysis Patients in Istanbul/Turkey 土耳其伊斯坦布尔地区血液透析患者营养状况调查
Pub Date : 2019-12-04 DOI: 10.33140/ajun.01.01.07
Background: This study aims to determine protein, sodium, potassium, phosphorus consumptions and energy intake in endstage renal disease (ESRD) patients undergoing hemodialysis 3 times a week and compare these quantities with recommendedrequirements.Methods: This study was conducted with 198 end-stage renal disease patients between the ages of 20 and 65 who underwenthemodialysis 3 times a week. Data were obtained via a survey form and Food Frequency Questionnaire.Results: No significant relationship was identified between gender and protein consumption (p>0.05). However, a significantrelationship was found between the body mass indices (BMI) and protein consumption of the patients (p<0.05); when groupswere compared, protein consumption reduced while the BMI increased (p<0.01). When age and protein consumption wereexamined, protein consumption was found to be higher in patients aged 20-44 as compared to patients aged 56-65 (p<0.05).Conclusion: The protein consumption and energy intake of hemodialysis patients appears to be below the recommended level.This suggests that hemodialysis patients are receiving insufficient nutrition in Istanbul/Turkey. Hemodialysis patients shouldbe given better nutritional education and their nutritional status should be optimized.
背景:本研究旨在测定每周进行3次血液透析的终末期肾病(ESRD)患者的蛋白质、钠、钾、磷消耗和能量摄入,并将这些量与推荐的要求进行比较。方法:本研究对198名年龄在20岁至65岁之间的终末期肾病患者进行了为期3周的腹膜透析。结果:性别与蛋白质消耗量之间无显著相关性(p>0.05),但患者的体重指数(BMI)与蛋白质消耗之间有显著相关性(p<0.05);与56~65岁的患者相比,20~44岁的患者蛋白质消耗量更高(p<0.05)。结论:血液透析患者的蛋白质消耗量和能量摄入似乎低于推荐水平。这表明土耳其伊斯坦布尔的血液透析患者营养不足。血液透析患者应接受更好的营养教育,优化其营养状况。
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引用次数: 1
Dietary Dialysis with Acacia Gum: Intestinal Dialysis Technology Acacia胶膳食透析:肠道透析技术
Pub Date : 2019-11-18 DOI: 10.33140/ajun.01.01.05
Aamir Jalal Al-Mosawi
Background: The use of a new dietary approach used to lower urea levels in chronic renal failure, and thus simulating dialysishas been recently described. This approach has been increasingly called intestinal or dietary dialysis. The aim of this paper isto describe the treatment of nine patients with chronic renal failure associated with symptomatic uremia with intestinal dialysis.Patients and Methods: During the period from December, 2005 to October, 2009, nine patients (5 males and 4 females)with various renal disorders associated with symptomatic uremia were referred for treatment due to their unwillingness toundergo dialysis. Ages ranged from 3.5 year to 72 years (mean 28.8).All patients considered dialysis in their circumstance tobe associated with an unacceptable degree of discomfort and suffering. Five patients had severe uremic symptoms (fatigability,tachypnea, and anorexia). All of the patients were unable to walk independently. The patients were treated with the newtechnology of intestinal dialysis.Results: All the patients enrolled experienced amelioration of symptoms of uremia with improved general wellbeing inassociation with lowering of urea levels and creatinine during the period of therapy. They patients were followed for a periodranging from 8 weeks to 8 years. It was possible to follow three patients for more than 2 years on this therapy, and one patientwas followed for about 8 years. They three patients continued to experience low urea levels and didn’t develop any symptomsof uremia. No important side effect was observed. However, most patients experienced some degree of abdominal distentionassociated with increased passage of gases (flatulence).Conclusion: Patients treated with intestinal dialysis experienced conspicuous lowering of urea and creatinine and improvementin the general wellbeing.
背景:最近报道了一种新的饮食方法用于降低慢性肾衰竭患者的尿素水平,从而模拟透析。这种方法越来越多地被称为肠道或饮食透析。本文报告9例慢性肾功能衰竭伴症状性尿毒症患者的肠透析治疗。患者与方法:于2005年12月至2009年10月对9例因不愿接受透析治疗的各种肾脏疾病合并症状性尿毒症患者(男5名,女4名)进行了转诊治疗。年龄3.5 ~ 72岁,平均28.8岁。所有患者都认为,在他们的情况下,透析会带来不可接受的不适和痛苦。5例患者有严重尿毒症症状(疲劳、呼吸急促和厌食)。所有的病人都不能独立行走。采用肠道透析新技术对患者进行治疗。结果:所有入选的患者在治疗期间尿素水平和肌酐水平降低,尿毒症症状得到改善,总体健康状况得到改善。随访时间从8周到8年不等。对3例患者的随访时间超过2年,其中1例患者的随访时间约为8年。这三名患者持续出现低尿素水平,没有出现任何尿毒症症状。没有观察到重要的副作用。然而,大多数患者经历了一定程度的腹胀,并伴有气体通过增加(胀气)。结论:经肠透析治疗的患者尿素、肌酐明显降低,总体健康状况明显改善。
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引用次数: 6
Scientific Publication Productivity and Research Activities of Iraqi Pediatricians in the Field of Pediatric Nephrology: A Bibliometric Analysis to Identify Pioneers 伊拉克儿科医生在儿科肾病领域的科学出版物生产力和研究活动:确定先驱的文献计量分析
Pub Date : 2019-11-18 DOI: 10.33140/ajun.01.01.06
Aamir Jalal Al-Mosawi
Background: Bibliometrics is increasingly used to assess the quantity and quality of scientific research output in many researchfields throughout the world. This study aims to update Iraqi pediatricians’ research productivity in the field of nephrology usingbibliometric methods, and analysis of the contribution of Iraqi pediatricians to the field of pediatric nephrology literature.Methods: Papers published by Iraqi pediatricians’ in the field of pediatric nephrology were retrieved from “Web of Science”and “PubMed”. The number and types of papers, and author’s h-index (Hirsch index) were analyzed. Papers published byresearchers other than pediatricians such urologic surgeons, and basic sciences researchers were not included in this study.Results: A total of 53 papers were found published in a total of 11 journals including Pediatric Nephrology, Therapy (Clinicalpractice), Journal of Tropical Pediatrics, Journal of Nephrology and Renal Transplantation, Urology, Clin Exp Nephrol,American Journal of Medical Genetics A, The Open Urology & Nephrology Journal, Acta Paediatrica, Archives of Diseasein Childhood, and Saudi Journal of Kidney Disease and Transplantation.The vast majority of papers, 49 (92.4 %) were published by Aamir Jalal Al-Mosawi. Only four our papers [Etiological andclinical patterns of childhood urolithiasis in Iraq (2005), .Profile of renal diseases in Iraqi children: A single-center report.(2015), Hypertension in hemodialyzed children (2016), The predictive factors for relapses in children with steroid-sensitivenephrotic syndrome (2016)] were published by authors other than Aamir Jalal Al-Mosawi, and was carefully examined andfound to include unreliable, non-authentic and largely misleading information.The work of Aamir Jalal Al-Mosawi represented the authentic reliable source about childhood renal disorders in Iraq.The work of Aamir Jalal Al-Mosawi provided a comprehensive knowledge about childhood renal disorders in Iraqi children.The papers of Aamir Jalal Al-Mosawi included 12 research papers, 2 case report, one case series, three review articles, andat least 31 conferences’ abstracts.Conclusion: Aamir Jalal Al-Mosawi is perfectly regarded as the undisputable pioneer of pediatric nephrology in Iraq. In2008, the web site “Medical talks” listed Aamir Jalal Al-Mosawi with the famous physicians in history for describing a newmodel for the treatment of chronic renal failure.
背景:在世界各地的许多研究领域,文献计量学越来越多地用于评估科学研究成果的数量和质量。本研究旨在使用文献计量学方法更新伊拉克儿科医生在肾脏学领域的研究成果,并分析伊拉克儿科医生对儿科肾脏学文献领域的贡献。方法:检索伊拉克儿科医生在儿科肾病学领域发表的论文,检索自“科学网”和“PubMed”。分析了论文的数量和类型,以及作者的h指数(赫希指数)。除儿科医生(如泌尿外科医生)和基础科学研究人员外,其他研究人员发表的论文不包括在本研究中。结果:共有53篇论文发表在11种期刊上,包括《儿科肾病学》、《治疗(临床实践)》、《热带儿科杂志》、《肾病与肾移植杂志》、,和《沙特肾脏疾病与移植杂志》。绝大多数论文,49篇(92.4%)由Aamir Jalal Al Mosawi发表。只有我们的四篇论文[伊拉克儿童尿石症的病因和临床模式(2005),伊拉克儿童肾脏疾病概况:单中心报告。(2015),血液透析儿童高血压(2016),类固醇敏感肾病综合征儿童复发的预测因素(2016)]由Aamir Jalal Al Mosawi以外的作者发表,并经过仔细审查,发现其中包括不可靠、不真实且在很大程度上具有误导性的信息。Aamir Jalal Al Mosawi的工作代表了伊拉克儿童肾脏疾病的可靠来源。Aamir Jalal Al Mosawi的论文包括12篇研究论文、2篇病例报告、1个病例系列、3篇综述文章和至少31篇会议摘要。结论:Aamir Jalal Al Mosawi被公认为伊拉克儿科肾病学无可争议的先驱。2008年,网站“医学谈话”列出了阿米尔·贾拉勒·莫萨维与历史上著名的医生描述的治疗慢性肾衰竭的新模式。
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引用次数: 3
Role of Prostaglandins, Thromboxanes and Leukotrienes as Mediators in Inflammations 前列腺素、血栓烷和白三烯作为炎症介质的作用
Pub Date : 2019-11-17 DOI: 10.33140/ajun.01.01.04
Eicosanoids are 20-carbon bioactive lipids derived from thepolyunsaturated fatty acids metabolism, which can modify numerousbiological processes comprising cell proliferation, migration andadhesion, vascular permeability, angiogenesis and inflammatoryresponses [1].
类二十烷是源自多不饱和脂肪酸代谢的20碳生物活性脂质,它可以改变许多生物过程,包括细胞增殖、迁移和粘附、血管通透性、血管生成和炎症反应[1]。
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引用次数: 0
Lupic Nephropathy: Our experience at the Department of Nephrology 狼疮性肾病:我们在肾病科的经验
Pub Date : 2019-07-30 DOI: 10.33140/ajun.01.01.03
Systemic lupus erythematosus (SLE) is the most common diseasesystemic autoimmune disorders that cause kidney damage. ATConversely, kidney damage is the most common and the most severevisceral involvement of SLE. The most frequent renal involvementis glomerular and there are several types of glomerulonephritis (GN)Lupus now evaluated according to classification histological ISN /RPS (International Society of Nephrology/Renal Pathology Society)[1]. Other glomerular disorders such as a Nephrotic syndromewith minimal glomerular lesions are possible but rare. Vascular orinterstitial lesions related to lupus may be associated with glomerulardamage; they are rarely isolated. Finally, lupus nephropathy issometimes mixed with renal diseases associated with lupus, themost common being renal antiphospholipid Syndrome.
系统性红斑狼疮(SLE)是引起肾脏损伤的最常见的系统性自身免疫性疾病。反过来,肾脏损伤是SLE最常见、最严重的内脏受累。最常见的肾脏受累是肾小球,目前有几种类型的肾小球肾炎(GN)狼疮根据组织学分类ISN/RPS(国际肾脏病学会/肾脏病理学学会)进行评估[1]。其他肾小球疾病,如肾病综合征,肾小球病变很小是可能的,但很罕见。与狼疮相关的血管或间隙病变可能与肾小球损伤有关;他们很少被孤立。最后,狼疮肾病有时与狼疮相关的肾脏疾病混合,最常见的是肾脏抗磷脂综合征。
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引用次数: 0
期刊
Advancements in journal of urology and nephrology
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