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Malignant Urinary bladder paraganglioma in 12 year old boy 12岁男童恶性膀胱副神经节瘤
Pub Date : 2020-01-15 DOI: 10.31038/edmj.2020415
Kushagra Gaurav, P. Yadav, A. Chopra, S. Mishra, U. Singh
identification pelvic lymph node Partial cystectomy pelvic lymph nodal th node Image 2 - CT scan showing coronal and saggital images of lesion at superior border of urinary bladder along with two similarly enhancxinglesions (lymph nodes) in perivesical location. Image 1 - CT scan images showing transverse sections at level of urinary bladder showing enhancing mass lesion(4.5cm x 2.7 cm) at superior border of Urinary border. Image 5 - Low power view of tumor. Tumor shows nests of cuboidal cells separated by vascularised fibrous septa. This pattern of arrangement of tumor cells is k/a Zellballen. Image 6 - High power view Shows zellballen formation and tumor cells with moderate amount of cytoplasm.
膀胱部分切除术盆腔淋巴结图2 - CT扫描显示膀胱上缘病变的冠状面和矢状面图像,膀胱周位置有两个类似强化的病变(淋巴结)。图1 - CT扫描显示膀胱横切面,尿缘上缘肿块增强(4.5cm x 2.7 cm)。图5 -肿瘤低倍镜。肿瘤显示由血管纤维间隔隔开的立方体细胞巢。肿瘤细胞的排列模式为k/a Zellballen。图6 -高倍镜显示有小球囊形成,肿瘤细胞中有适量的细胞质。
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引用次数: 0
Management of Diabetes Patients across the Peri- Operative Pathway: A Systematic Review 糖尿病患者围手术期的管理:一项系统综述
Pub Date : 2020-01-11 DOI: 10.31038/edmj.2020411
Jennifer Wallace, S. Jiwani, Philemon Gyasi-Antwi, A. Meal, G. Adams
Peri-operative environments are a hazardous setting for diabetes patients. A systematic review of literature regarding the management of diabetes patients across the peri-operative pathway has been undertaken to assess if the management of patients within this pathway is suitable and effective for patients. Methods A database search of Google Scholar, CINAHAL, Embase, OVID, Cochrane Library, Joanna Briggs institute and PUBMED was undertaken from 15 th of March 2019 to 30 th of March 2019. A total of 57 papers were found and reduced down to 11 final papers that answered the review question and met the inclusion and exclusion criteria. Inclusion criteria were: Full text, English language, human subjects, adult patients only and studies that focused on diabetes care in a section of the peri-operative pathway. Exclusion criteria: children or adults and children, studies that looked a one particular intervention or type of surgery. No date limit was set. PICO tool was used to frame the study question. Results Three main themes emerged from the literature. 1. Poor patient outcomes; 2. Longer length of stay (LOS); 3. Lack of adherence to guidance and or protocols and glycaemic control. Elective patients had advantageous outcomes compared to emergency surgical patients. Hyperglycaemia still remained a problem with an increase in other medical complications for diabetes patients. LOS in hospital was found to have increased due to medical complications. Adherence to protocols and guidance was found to be beneficial in monitoring and managing hyperglycaemia. However, this review found that best practice guidance and hospital protocol is not always adhered to. A liberal approach to glycaemic control is beneficial. Conclusion This systematic review investigated the management of diabetes patients across the peri-operative pathway. Three main themes emerged from the literature: poor patient outcomes; length of stay; and lack of adherence to guidance and or protocols and glycaemic control. We concluded the peri-operative environment is a hazardous setting for a diabetes patients. Elective patients had slightly more advantageous outcomes than emergency patients. Hyperglycaemia still remains a problem which leads to poor patient outcomes and longer LOS. Adherence to protocols and guidance was found to be beneficial in monitoring and managing hyperglycaemia.
围手术期环境对糖尿病患者来说是一个危险的环境。对有关糖尿病患者围手术期管理的文献进行了系统综述,以评估该途径内的患者管理是否适合患者并有效。方法于2019年3月15日至3月30日对Google Scholar、CINAHAL、Embase、OVID、Cochrane Library、Joanna Briggs institute和PUBMED进行数据库搜索。共发现57篇论文,最终论文减少到11篇,这些论文回答了审查问题,符合纳入和排除标准。纳入标准为:全文、英语、人类受试者、仅限成年患者以及围手术期糖尿病护理研究。排除标准:儿童或成人和儿童,看起来是一种特定干预或手术类型的研究。没有设置日期限制。PICO工具用于构建研究问题。结果文献呈现出三大主题。1.患者预后不佳;2.更长的停留时间(LOS);3.缺乏对指导和/或方案以及血糖控制的遵守。与急诊手术患者相比,择期患者具有有利的结果。高血糖仍然是一个问题,糖尿病患者的其他并发症也在增加。医院的LOS由于医疗并发症而增加。研究发现,遵守方案和指导有利于监测和管理高血糖。然而,这篇综述发现,最佳实践指南和医院方案并不总是得到遵守。自由的血糖控制方法是有益的。结论本系统综述探讨了糖尿病患者围手术期的管理。文献中出现了三个主要主题:患者预后不佳;停留时间;以及缺乏对指导和/或方案以及血糖控制的遵守。我们得出结论,围手术期的环境对糖尿病患者来说是一个危险的环境。选择性患者的疗效略高于急诊患者。高血糖仍然是一个导致患者预后不佳和LOS延长的问题。研究发现,遵守方案和指导有利于监测和管理高血糖。
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引用次数: 0
Sulfonylurea Use and Cardiovascular Safety Revisited 磺酰脲的使用与心血管安全性再谈
Pub Date : 2019-11-15 DOI: 10.31038/edmj.2019355
J. Morales
Sulfonylurea use has been commonplace for the management of type 2 diabetes as an adjunct to metformin over the past decades. Their effectiveness has been repeatedly demonstrated in terms of glycemic control in the short-term however, long-term sustainable control remains in question. Over the years, FDA mandated cardiovascular safety trials have been completed involving most newer antidiabetic therapies to the market place however, the sulfonylurea class had not been studied until the recent head-to-head cardiovascular outcomes trial involving the comparison of linagliptin, an inhibitor of DPP-IV, with glimepiride in the CARMELINA study where non-inferiority was demonstrated in both treatment groups. While this finding seems to be reassuring, does it really confer safety of use of sulfonylurea drugs in the management of type 2 diabetes?
在过去的几十年里,磺脲类药物作为二甲双胍的辅助药物被普遍用于2型糖尿病的治疗。它们在短期血糖控制方面的有效性已被反复证明,但长期可持续的控制仍是一个问题。多年来,FDA授权的心血管安全性试验已经完成,涉及市场上大多数较新的降糖药,然而,磺脲类直到最近CARMELINA研究中涉及利格列汀(一种DPP-IV抑制剂)与格列美脲的头对头心血管结局试验才被研究,该试验证明两个治疗组均无劣效性。虽然这一发现似乎令人放心,但它真的赋予了使用磺脲类药物治疗2型糖尿病的安全性吗?
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引用次数: 0
Time for New Recommendation of Upper Limit of Serum Vitamin D in Humans 人类血清维生素D上限的新推荐时间
Pub Date : 2019-09-27 DOI: 10.31038/edmj.2019353
P. Schwarz
There is a continued debate and exchange of knowledge with respect to serum 25- hydroxyvitamin D (25(OH)D) cut-off levels. Based on our current knowledge it is time to reconsider our recommendations of the optimal level of serum 25(OH)D in the clinical setting and not only focus on low levels but also recommend an upper serum limit of around 125 nmol/L (40–50 ng/mL) among healthy and diseased.
关于血清25-羟基维生素D (25(OH)D)的截止水平一直存在争论和知识交流。根据我们目前的知识,是时候重新考虑我们在临床环境中对血清25(OH)D最佳水平的建议,不仅关注低水平,而且建议在健康和患病人群中,血清上限约为125 nmol/L (40-50 ng/mL)。
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引用次数: 0
Schizophrenia Plasma Autoantibodies Promote 'Biased Agonism' at the 5-Hydroxytryptamine 2A Receptor: Neurotoxicity is Positively Modulated by Metabotropic Glutamate 2/3 Receptor Agonism. 精神分裂症血浆自身抗体促进5-羟色胺2A受体的“偏向性激动”:代谢型谷氨酸2/3受体激动对神经毒性有积极调节作用。
Pub Date : 2019-08-14 DOI: 10.31038/edmj.2019344
M. Zimering, S. Nadkarni
AimsTo test whether neurite-inhibitory plasma autoantibodies in chronic schizophrenia activate Gq/11- and Gi- coupled signaling pathways downstream of 5-hydroxytryptamine 2A receptor activation; and for modulation of serotonergic signaling by the metabotropic 2/3 receptor agonist LY379268.MethodsPlasma from five older adults with chronic schizophrenia and eight age-matched patients having another neuropsychiatric, immune or metabolic disorder was subjected to Protein-A affinity chromatography to obtain IgG autoantibodies. Mean neurite retraction (5 minutes) or cell survival (24 hours) was determined in mouse N2A neuroblastoma cells incubated with autoantibodies in the presence or absence of specific antagonists of the Gq/11/PLC/IP3R signaling pathway, Gi-coupled, beta-arrestin2-directed pathways, or LY379268.ResultsChronic schizophrenia plasma autoantibodies- mediated dose- and time-dependent acute N2A neurite retraction was completely prevented by M100907, a selective 5-hydroxytryptamine 2A receptor antagonist. LY379268 promoted autoantibody-induced neurite retraction causing a shift-to-the-left in the dose-response curve. Antagonists of the RhoA/Rho kinase and Gq/11/PLC/IP3R signaling pathways blocked autoantibody-mediated neurite retraction. Chronic schizophrenia plasma autoantibodies mediated increased N2A cell survival which was blocked by LY379268, pertussis toxin, and antagonists of PI3-kinase- mediated survival signaling.ConclusionSchizophrenia plasma autoantibodies activate the 5-hydroxytryptamine 2A receptor positively coupled to Gq/11/PLC/IP3R pathway and RhoA/Rho kinase signaling activation in promoting acute N2A cell neurite retraction. Autoantibodies in a subset of patients experiencing hallucinations promoted increased N2A cell survival mediated (in part) via a pertussis-toxin sensitive, Gi-coupled, PI3-kinase-dependent mechanism. Positive modulation of 5-HT2AR-mediated neurite retraction by LY379268 suggests the autoantibodies may target (in part) the 5-HT2AR/mGlu2R heteromer.
目的检测慢性精神分裂症患者的轴突抑制性血浆自身抗体是否激活5-羟色胺2A受体激活下游的Gq/11和Gi偶联信号通路;以及代谢型2/3受体激动剂LY379268对5-羟色胺能信号的调节。方法对5名患有慢性精神分裂症的老年人和8名患有另一种神经精神、免疫或代谢障碍的年龄匹配患者的血浆进行蛋白-A亲和层析,以获得IgG自身抗体。在存在或不存在Gq/11/PLC/IP3R信号通路、Gi偶联的β-rrestin2-定向通路的特异性拮抗剂的情况下,在与自身抗体孵育的小鼠N2A神经母细胞瘤细胞中测定平均轴突回缩(5分钟)或细胞存活(24小时),结果选择性5-羟色胺2A受体拮抗剂M100907完全阻止了慢性精神分裂症血浆自身抗体介导的剂量和时间依赖性急性N2A轴突回缩。LY379268促进自身抗体诱导的轴突回缩,导致剂量-反应曲线向左移动。RhoA/Rho激酶和Gq/11/PLC/IP3R信号通路的拮抗剂阻断自身抗体介导的轴突回缩。慢性精神分裂症血浆自身抗体介导的N2A细胞存活增加,被LY379268、百日咳毒素和PI3激酶介导的存活信号拮抗剂阻断。结论精神分裂症患者血浆自身抗体激活与Gq/11/PLC/IP3R通路正偶联的5-羟色胺2A受体和RhoA/Rho激酶信号激活,促进急性N2A细胞突起回缩。在经历幻觉的患者亚群中,自身抗体通过百日咳毒素敏感、Gi偶联、PI3激酶依赖性机制(部分)促进了N2A细胞存活率的增加。LY379268对5-HT2AR-介导的轴突回缩的阳性调节表明自身抗体可能(部分)靶向5-HT2AR/mGlu2R异聚体。
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引用次数: 4
Autoantibodies in Type-2 Diabetes having Neurovascular Complications Bind to the Second Extracellular Loop of the 5-Hydroxytryptamine 2A Receptor. 具有神经血管并发症的2型糖尿病中的自身抗体与5-羟色胺2A受体的第二细胞外环结合。
Pub Date : 2019-08-01 DOI: 10.31038/edmj.2019345
M. Zimering
Diabetes is associated with a substantially increased risk of certain neurovascular and neurodegenerative complications, e.g. stroke, dementia, Parkinson’s disease, major depressive disorder [1], through complex and poorly-defined mechanisms. We previously reported the occurrence of activating 5-HT2A receptor IgG autoantibodies in plasma or serum from older adult diabetes suffering with major depressive disorder [2], Parkinson’s disease or dementia [3]. Acute neurite retraction and accelerated mouse neuroblastoma N2a cell death induced by the autoantibodies in cell culture was partially or completely prevented by co-incubation (of IgG autoantibodies) with selective antagonists of the 5-HT2A receptor [2,3].
糖尿病与某些神经血管和神经退行性并发症的风险显著增加有关,如中风、痴呆、帕金森病、严重抑郁障碍[1],其机制复杂且不明确。我们之前报道了患有严重抑郁障碍[2]、帕金森病或痴呆[3]的老年糖尿病患者的血浆或血清中激活5-HT2A受体IgG自身抗体的情况。通过与5-HT2A受体的选择性拮抗剂共同孵育(IgG自身抗体),部分或完全预防了细胞培养中自身抗体诱导的急性轴突回缩和加速小鼠神经母细胞瘤N2a细胞死亡[2,3]。
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引用次数: 7
Autoantibodies in Type-2 Diabetes having Neurovascular Complications Bind to the Second Extracellular Loop of the 5-Hydroxytryptamine 2A Receptor. 伴有神经血管并发症的2型糖尿病的自身抗体与5-羟色胺2A受体的第二细胞外环结合
Pub Date : 2019-08-01 Epub Date: 2019-08-14
Mark B Zimering
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引用次数: 0
Risk of Foot Ulcer Development in Diabetic Patients – Relation to Isokinetic Muscle Strength, Sensory Function, and Clinical Findings 糖尿病患者发生足溃疡的风险——与等速肌力、感觉功能和临床表现的关系
Pub Date : 2019-05-01 DOI: 10.31038/edmj.2019333
A. Pedersen, L. Havé, H. Andersen, N. Ejskjaer, C. Z. Swan
Aim : To investigate whether reduced muscle strength in the lower extremities in diabetic patients is associated to the development of Diabetic Foot Ulcer (DFU). Methods : We conducted a retrospective cohort study on 95 diabetic patients who participated in studies on Diabetic Polyneuropathy (DPN) and motor function 12–16 years earlier. Isokinetic muscle strength at the ankle and knee, Neurological Impairment Scores (NIS), vibration perception thresholds (VPT), and demographic data were obtained from the initial studies. Patient files were systematically reviewed, and information on DFU occurrence and Macrovascular Disease (MVD) acquired. Results : Twenty-six patients developed DFU. A temporal relationship was found for development of DFU among patients with reduced strength at both the ankle and knee (all P<0.05). Univariate analyses showed a relationship between DFU and reduced strength for ankle dorsal flexion (P<0.001), ankle plantar flexion (P<0.005), knee extension (P<0.001), and knee flexion (P<0.005). DFU was related to NIS (P<0.001) and MVD (P<0.05) in both univariate and multivariate regression analyses. After adjustment for MVD, all strength measures were related to DFU. When adjusting for NIS, a trend was only found for ankle dorsal flexion (P=0.08). Conclusions : In DPN, muscle weakness at the ankle and knee contributes to development of foot ulcers.
目的:探讨糖尿病患者下肢肌力下降是否与糖尿病足溃疡(DFU)的发生有关。方法:我们对95名糖尿病患者进行了回顾性队列研究,这些患者在12-16年前参与了糖尿病多神经病(DPN)和运动功能的研究。踝关节和膝关节等速肌力、神经损伤评分(NIS)、振动感知阈值(VPT)和人口统计数据均来自初始研究。系统地回顾了患者档案,并获得了DFU发生和大血管疾病(MVD)的信息。结果:26例患者出现DFU。在踝关节和膝关节强度降低的患者中,DFU的发展存在时间关系(均P<0.05)。单变量分析显示,DFU与踝关节背侧屈曲(P<0.001)、踝关节足底屈曲(P<0.005)、膝关节伸展(P<0.001,在单因素和多因素回归分析中,DFU与NIS(P<0.001)和MVD(P<0.05)相关。MVD调整后,所有强度测量均与DFU相关。当调整NIS时,只发现踝关节背屈有趋势(P=0.08)。结论:在DPN中,踝关节和膝关节的肌肉无力会导致足部溃疡的发展。
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引用次数: 0
Cardiovascular Changes in Normo and Hypogonadal Rats Treated with a High-Fructose Diet and Induced Hyperuricemia Condition 高果糖饮食和诱导高尿酸血症对正常和性腺功能低下大鼠心血管的影响
Pub Date : 2019-04-20 DOI: 10.31038/edmj.2019332
J. Soutelo, Y. Samaniego, MC Fornari, C. ReyesToso, Ponzo OJ Ph
Objective: to evaluate the presence and type of cardiovascular damage in normogonadic and hypogonadic male rats with a induced condition of mild hyperuricemia and exposed to a high-fructose diet. Methods: Fifty six (56) male adult Wistar rats were used in the present work. Animals were divided into two groups; normogonadic (NGN) and hypogonadic (HGN), and each group was divided into four subgroups according to their treatment: control with only water (C), Fructose (F), Oxonic acid (OA) and Fructose plus Oxonic acid (FOA). Cardiovascular changes were evaluated by measuring systolic blood pressure , myocyte volume, fibrosis and intima media of aorta. Results: The FOA group significantly increased blood pressure, myocyte volume (p<0.0001), the percentage of fibrosis was significant in the group receiving OA (p<0.001). When comparing NGN vs HGN, hypogonadic animals showed a less favorable lipid profile. Conclusion: Hypogonadic, hyperuricemic conditions and a high-fructose diet favor blood pressure increase , along with changes in the cardiac hypertrophy, fibrosis and thickness increase of the intima media.
目的:评估性腺正常和性腺功能低下的雄性大鼠在轻度高尿酸血症诱导条件下暴露于高果糖饮食时心血管损伤的存在和类型。方法:选用56只雄性成年Wistar大鼠。将动物分为两组;性腺正常(NGN)和性腺功能减退(HGN),每组根据治疗分为四个亚组:仅用水对照(C)、果糖对照(F)、草酸对照(OA)和果糖加草酸对照(FOA)。通过测量收缩压、心肌细胞体积、纤维化和主动脉内膜介质来评估心血管变化。结果:FOA组显著增加了血压、肌细胞体积(p<0.0001),OA组的纤维化百分比显著增加(p<0.001)。当比较NGN与HGN时,性腺功能减退的动物表现出不太好的脂质状况。结论:性腺功能低下、高尿酸血症和高果糖饮食有利于血压升高,同时伴有心脏肥大、纤维化和内膜中膜厚度增加的变化。
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引用次数: 0
The Need for Fixed Dose Combination (FDC) for the Management of Type 2 Diabetes in Mauritius 毛里求斯2型糖尿病管理需要固定剂量组合(FDC)
Pub Date : 2019-03-25 DOI: 10.31038/edmj.2019331
Mohammad Yaasir Ozeer, Jhoti Somanah Bhugowandeen
The State health services of Mauritius are provided free to all 1.27 million inhabitants of the island. Despite so, successive surveys by the Ministry of Health and Quality of Life have shown that diabetes remains a major public health threat to Mauritians. With 24% of the adult population affected by (type 2 diabetes) T2D, our island is ranked amongst those countries with highest diabetes-related mortality, which emphasizes the need for educating the population proper self-management of the disease. It is also evident that poor treatment adherence looms large. Patients with T2D under conventional treatment often require multiple medications to achieve glycaemic control. This induces a significant pill burden when coupled with co-morbid conditions associated to diabetes and deters adherence to treatment. Public health institutions in Mauritius support the usage of loose pills for diabetes treatment as opposed to private institutions who promote the adoption of Fixed Dose Combination (FDC) therapy as a means to improve treatment efficacy. A scaled-study was conducted to explore the efficiency and patients’ perspectives on FDC in the management of T2D. 65 patients from the Diabetes and Vascular Health Centre were grouped according to their treatment regimen: FDC from start; switched to FDC from loose pills; reverted to loose pills after trying FDC and loose pills treatment. Patients were interviewed and their clinical parameters recorded. Results showed that 67.7 % of patients were taking more than 7 pills a day to achieve glycaemic control, with only 30.8 % being made aware of possible FDC options by their healthcare practitioner. 96.3% patients who were on loose pills expressed their willingness to shift to FDC if made available in public institutions. Overall glycaemic control was better managed among the FDC group. Our findings concluded that the loose pill regime was indeed problematic for diabetics to achieve optimal glycaemic control. FDC could be pivotal in improving their health outcomes, barriers such as communication of treatment availabilities, financial constraints, shared decision-making and self-management training also need to be addressed.
毛里求斯向全岛127万居民免费提供国家保健服务。尽管如此,卫生和生活质量部的连续调查表明,糖尿病仍然是毛里求斯人面临的主要公共健康威胁。我国成年人口中有24%患有(2型糖尿病)T2D,是与糖尿病有关的死亡率最高的国家之一,这就强调有必要教育人民对这种疾病进行适当的自我管理。治疗依从性差的问题也很明显。常规治疗的T2D患者往往需要多种药物才能达到血糖控制。当与糖尿病相关的合并症相结合时,这就会导致严重的药物负担,并阻碍治疗的坚持。毛里求斯的公共卫生机构支持使用散装药片治疗糖尿病,而私营机构则提倡采用固定剂量联合疗法作为提高治疗效果的手段。我们进行了一项规模研究,以探讨FDC在T2D治疗中的效率和患者的观点。来自糖尿病和血管健康中心的65名患者根据他们的治疗方案进行分组:从开始的FDC;从散装药丸改为FDC;在尝试FDC和散丸治疗后又恢复服用散丸。对患者进行访谈并记录其临床参数。结果显示,67.7%的患者每天服用7片以上的药物来控制血糖,只有30.8%的患者被他们的保健医生告知可能的FDC选择。96.3%服用散装药片的患者表示,如果公共机构提供FDC,他们愿意转向FDC。FDC组总体血糖控制较好。我们的研究结果表明,对于糖尿病患者来说,松散的药丸疗法确实存在问题,无法达到最佳的血糖控制。FDC可在改善其健康结果方面发挥关键作用,但也需要解决诸如通报治疗情况、财政限制、共同决策和自我管理培训等障碍。
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引用次数: 0
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Endocrinology, diabetes and metabolism journal
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