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Levels of carboxylated and undercarboxylated osteocalcin in patients with type 2 diabetes 2型糖尿病患者的羧化和欠羧化骨钙素水平
Pub Date : 2020-12-15 DOI: 10.14748/SSM.V52I4.7172
S. Gancheva, E. Marinova, B. Kanazirev, M. Boyadzhieva, M. Zhelyazkova-Savova
Introduction:  Osteocalcin (OC) is a bone-derived protein that undergoes vitamin K-dependent carboxylation. The undercarboxylated form of the protein (ucOC) is released in the circulation during the process of bone resorption. Experimental studies on mice and rats have revealed that ucOC is involved in the regulation of energy homeostasis, linking in this way the bone, pancreas, and adipose tissue metabolism. Experimental studies suggest no hormonal role for the carboxylated form (cOC) of the protein. Aim:  In the current study we aimed to examine the levels of OC in its carboxylated and undercarboxylated form in patients with type 2 diabetes and control subjects, and to compare the vitamin K status between the two groups.  Materials and Methods:  The present cross-sectional study involved a sample of 46 adults type 2 diabetes patients and a control group of 19 individuals. The carboxylated and undercarboxylated forms of OC were measured in serum by using highly sensitive sandwich-type enzyme immunoassay kits. Vitamin K status was evaluated by the ratio ucOC/cOC. Student’s two-tailed unpaired t-test was used to compare the groups. Results:  UcOC and cOC serum levels were significantly lower in patients with type 2 diabetes compared to controls. We found no difference in the vitamin K status between the groups. Conclusion:  Our results show that OC might be involved in the regulation of carbohydrate metabolism. In humans, it appears that the carboxylation state might not be essential for the hormonal role of the protein as in mice and rats.
骨钙素(OC)是一种骨源性蛋白,经历维生素k依赖性羧化。在骨吸收过程中,低羧化形式的蛋白质(ucOC)在循环中释放。对小鼠和大鼠的实验研究表明,ucOC参与调节能量稳态,以这种方式连接骨骼,胰腺和脂肪组织代谢。实验研究表明,没有激素作用的羧化形式(cOC)的蛋白质。目的:在本研究中,我们旨在检测2型糖尿病患者和对照组中羧基化和低羧基化形式的OC水平,并比较两组之间维生素K的状况。材料和方法:目前的横断面研究包括46名成年2型糖尿病患者和19名对照组。采用高灵敏的三明治型酶免疫测定试剂盒测定血清中羧化和欠羧化形式的OC。用ucOC/cOC比值评价维生素K状态。采用学生双尾非配对t检验进行组间比较。结果:2型糖尿病患者血清UcOC和cOC水平明显低于对照组。我们发现两组之间维生素K含量没有差异。结论:OC可能参与了机体碳水化合物代谢的调节。在人类中,似乎羧基化状态对蛋白质的激素作用并不像在小鼠和大鼠中那样重要。
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引用次数: 0
Miller Fisher syndrome: A case report 米勒费雪综合征1例报告
Pub Date : 2020-12-01 DOI: 10.14748/SSM.V0I0.7148
S. Atanasova, Ivan Dimitrov, A. Kaprelyan
Miller Fisher syndrome is a rare neurological disease that is considered to be a variant of Guillain-Barre syndrome. It is characterized by abnormal muscle coordination (ataxia), paralysis of the eye muscles (ophthalmoplegia), and absence of the tendon reflexes (areflexia). Additional symptoms include generalized muscle weakness and respiratory failure. Symptoms are usually preceded by a viral illness. This paper describes a clinical case of the syndrome in a patient who presented primarily with blurred and double vision, and gait disturbance.
米勒费雪综合征是一种罕见的神经系统疾病,被认为是格林-巴利综合征的一种变体。它的特征是肌肉协调异常(共济失调),眼肌麻痹(眼麻痹)和肌腱反射缺失(反射性松弛)。其他症状包括全身肌肉无力和呼吸衰竭。症状通常是由病毒性疾病引起的。本文描述了一个临床病例,该综合征的患者主要表现为视力模糊和重影,以及步态障碍。
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引用次数: 0
Implantation of a hemodialysis catheter directly in the right atrium due to exhaustion of vascular access 由于血管通路衰竭,直接在右心房植入血液透析导管
Pub Date : 2020-11-25 DOI: 10.14748/SSM.V52I3.6642
P. Manoilov, P. Panayotov, V. Petrov, G. Todorov, M. Slavov
Introduction: Patients on permanent hemodialysis need constant and secure vascular access with optimal flow to perform the procedure. Failure to provide such access can lead to life-threatening deterioration of the patient's condition. Case Presentation: We report a case of implantation of a hemodialysis catheter directly in the right atrium (RA) in an emergency in a 46 year-old woman, placed on permanent hemodialysis (HD) for nine years due to end-stage renal disease with exhausted opportunities for vascular access over the years and unsuitable for peritoneal dialysis. After a consultation between a cardiac surgeon, a vascular surgeon and an interventional radiologist, a decision was made to directly implant a permanent catheter for HD in the superior vena cava (SVC). The operation was performed as a matter of urgency, operative access was through ministerotomy and the catheter was implanted directly in the right atrium (RA) due to thrombosis and fibrosis of the SVC. No cardiac complications associated with the procedure were observed in the postoperative period. On the first postoperative day, HD was performed, followed by others according to the therapeutic plan. The patient was discharged from the Cardiac Surgery Department on the 7th postoperative day. Conclusion: The use of open surgical access and the implantation of a permanent HD catheter directly into the RA can be considered a life-saving procedure in HD patients with acute uremic syndrome and exhausted vascular access.
简介:永久性血液透析患者需要稳定和安全的血管通道,以最佳的流量来执行手术。不提供这种途径可能导致危及生命的患者病情恶化。病例介绍:我们报告了一例46岁的女性患者,由于终末期肾脏疾病,多年来血管通路耗尽,不适合腹膜透析,因此在急诊中将血液透析导管直接植入右心房(RA),进行了9年的永久性血液透析(HD)。经过一名心脏外科医生、一名血管外科医生和一名介入放射科医生的会诊,我们决定在上腔静脉(SVC)直接植入一根永久性的HD导管。由于SVC血栓形成和纤维化,手术紧急进行,手术进入微创,导管直接植入右心房(RA)。术后未观察到与手术相关的心脏并发症。术后第一天行HD,后续按治疗方案行其他手术。患者于术后第7天心脏外科出院。结论:对于合并急性尿毒症综合征和血管通路衰竭的HD患者,使用开放手术通路并将永久HD导管直接植入RA可被认为是一种挽救生命的方法。
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引用次数: 0
Hepatitis D virus in Bulgaria: virology, epidemiology and pathogenesis in chronic HBV carriers with liver dysfunction 保加利亚的丁型肝炎病毒:慢性乙肝病毒携带者肝功能障碍的病毒学、流行病学和发病机制
Pub Date : 2020-10-30 DOI: 10.14748/SSM.V52I3.6610
D. Tsaneva-Damyanova, Z. Stoykova, I. Ivanova, T. Kostadinova, L. Ivanova
Inroduction: Hepatitis D (HDV) is the most interesting and unique among animal viruses. It causes viral hepatitis D only in individuals already infected with HBV (hepatitis B). This dual    infection leads to the most aggressive hepatic dysfunction of all human viral hepatitis. Aim: This study was made to outline the hepatitis D virus among patients with chronic liver disorders in northeastern Bulgaria, in the sight of virus epidemiology, pathogenicity and viral genotype. Materials and methods: This is a retrospective study conducted between 2013-2019 at St. Marina University Hospital,Varna, Bulgaria. We have analyzed 418 serum samples from 391 patients with chronic liver disease using ELISA, PCR and HDV sequencing and genotyping. Results and Discussion: From 391 patients with chronic liver abnormalities, 16.6% (95% CI: 15.9% - 23.8%, n = 65) had an etiological association with HDV in ELISA. We found HDV RNA positive results in 63 out of all 65 anti-HDV Ab (antibody) positive patients (96.9%). Twenty-four of them, or 38.1% (95% CI: 26.1% - 51.2%, n = 24), were on antiviral HBV/HDV therapy. For five of them, or 20.8% (95% CI: 7.1% - 42.2%, n = 5), HDV genotype I was found. Conclusion: HDV infection has still many mysteries to discover - in terms of pathogenesis, clinical outcome in chronic HBV/HDV-infected individuals, as well as genotype variations and their role in avoiding immune elimination of the virus. All these unanswered questions pose a great challenge to the scientific thought and efforts of humankind to reduce and gradually eliminate viral hepatitis D.
丁型肝炎(HDV)是动物病毒中最有趣和独特的一种。它仅在已经感染HBV(乙型肝炎)的个体中引起病毒性丁型肝炎。这种双重感染导致所有人类病毒性肝炎中最严重的肝功能障碍。目的:从病毒流行病学、致病性和病毒基因型的角度概述保加利亚东北部慢性肝病患者的丁型肝炎病毒。材料和方法:这是一项2013-2019年在保加利亚瓦尔纳圣玛丽娜大学医院进行的回顾性研究。我们使用ELISA、PCR和HDV测序和基因分型分析了391例慢性肝病患者的418份血清样本。结果和讨论:在391例慢性肝脏异常患者中,16.6% (95% CI: 15.9% - 23.8%, n = 65)的ELISA检测结果与HDV有病因学关联。我们发现65例抗HDV Ab(抗体)阳性患者中有63例HDV RNA阳性(96.9%)。其中24人(38.1%,95% CI: 26.1% - 51.2%, n = 24)正在接受抗病毒HBV/HDV治疗。其中5例(20.8%)(95% CI: 7.1% - 42.2%, n = 5)发现HDV基因I型。结论:在慢性HBV/HDV感染者的发病机制、临床转归、基因型变异及其在避免免疫消除病毒中的作用等方面,HDV感染仍有许多未解之谜。所有这些尚未解决的问题对人类减少和逐步消除病毒性丁型肝炎的科学思想和努力提出了巨大的挑战。
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引用次数: 1
Idiopathic pyoderma gangrenosum or a systemic disease predictor? 特发性坏疽性脓皮病还是全身性疾病的预测因子?
Pub Date : 2020-09-30 DOI: 10.14748/SSM.V52I2.6568
Todor Yordanov, J. Dimitrova, I. Temelkova, T. Kalinova, Neli Koleva, S. Márina
Pyoderma gangrenosum (PG) is an auto inflammatory non-infectious neutrophilic dermatosis often presenting with pustules or nodules that progress to ulcers. PG has specific clinical features and non-characteristic histology findings. Some systemic diseases such as Crohn’s disease, ulcerative colitis, rheumatoid arthritis, hematologic malignancy or autoimmune disease are commonly associated with PG. One of the most characteristic features of pyoderma gangrenosum is pathergy, which is the appearance of new lesions at sites of trauma, including surgical wounds. We present a 62-year-old male with a large ulceration on the left lower leg after a bee sting.
坏疽性脓皮病(PG)是一种自身炎症性非感染性中性粒细胞性皮肤病,通常表现为脓疱或结节发展为溃疡。PG具有特殊的临床特征和非特征性的组织学表现。一些全身性疾病,如克罗恩病、溃疡性结肠炎、类风湿关节炎、血液恶性肿瘤或自身免疫性疾病通常与PG相关。坏疽性脓皮病最显著的特征之一是病变,即在创伤部位出现新的病变,包括手术伤口。我们提出一个62岁的男性与一个大溃疡在左小腿后蜜蜂蜇。
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引用次数: 0
Type 2 diabetes mellitus is associated with increased arterial stiffness measured by the echo-tracking method 2型糖尿病与回声追踪方法测量的动脉僵硬度增加有关
Pub Date : 2020-09-28 DOI: 10.14748/SSM.V52I2.6619
E. Marinova, M. Boyadzhieva, Nadezhda Hvarchanova, B. Kanazirev
INTRODUCTION: Data for arterial stiffness (АS) in type 2 diabetes mellitus (Т2DM) patients is important for better management of cardiovascular complications and early therapeutic approach. AIM: The aim of this article is to obtain data for pulse wave velocity (PWVβ) and other AS parameters in patients with T2DM without cardiovascular atherosclerotic disease and compare them with controls. MATERIALS AND METHODS: This cross-sectional clinical investigation involves a sample of 100 patients with T2DM without cardiovascular complications and a control group of 30 healthy subjects.  In all patients one-point echo-tracking measurement of carotid artery (CA) stiffness with Aloka Prosound α7 machine were conducted and pulse wave velocity (PWVβ), β-stiffness index, arterial compliance (АС), augmentation index (AI), Peterson’s modulus (Ep) were measured. RESULTS AND CONCLUSION: Our results showed the mean value of PWVβ on the left CA (L) in the group of patients with T2DM is 7.37 ± 1.32 m/sec and on the right CA (R) is 7.42 ± 1.33 m/sec. The performed t-test showed statistical significance of the differences of PWVβ (L) and PWVβ (R) in the studied group, compared to the control group (t = 3.764; p = 0.001 and t = 3.561; p = 0.001). The data showed significantly higher values of β-stiffness index (p = 0.001) and Ep (p = 0.001) in patients with T2DM compared to controls. AC was significantly lower in T2DM, when it is measured on the left CA (p = 0.001). AI was significantly higher in T2DM when it is measured on the right CA (p = 0.009). Patients with T2DM are associated with significantly increased AS parameters compared to controls.
2型糖尿病(Т2DM)患者动脉僵硬(АS)的数据对于更好地管理心血管并发症和早期治疗方法很重要。目的:本文的目的是获得无心血管动脉粥样硬化性疾病的T2DM患者的脉搏波速度(PWVβ)和其他AS参数的数据,并与对照组进行比较。材料和方法:本横断面临床研究包括100例无心血管并发症的T2DM患者和30名健康受试者作为对照组。所有患者均采用Aloka Prosound α7机单点回声跟踪测量颈动脉(CA)刚度,并测量脉搏波速度(PWVβ)、β-刚度指数、动脉顺应性(АС)、增强指数(AI)、彼得森模量(Ep)。结果与结论:T2DM患者左CA (L)均值为7.37±1.32 m/sec,右CA (R)均值为7.42±1.33 m/sec。经t检验,研究组PWVβ (L)、PWVβ (R)与对照组比较差异有统计学意义(t = 3.764;P = 0.001, t = 3.561;P = 0.001)。数据显示,与对照组相比,T2DM患者β-僵硬指数(p = 0.001)和Ep (p = 0.001)值显著高于对照组。当在左CA测量AC时,T2DM患者AC显著降低(p = 0.001)。在右侧CA上测量T2DM患者的AI时,AI明显升高(p = 0.009)。与对照组相比,T2DM患者的AS参数显著升高。
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引用次数: 0
Burning mouth syndrome and squamous cell carcinoma: Coincidence or a new disease association 灼口综合征和鳞状细胞癌:巧合或一种新的疾病关联
Pub Date : 2020-07-01 DOI: 10.14748/SSM.V52I2.6651
Todor Yordanov, Neli Koleva, J. Dimitrova, E. Popchristova, I. Yungareva, T. Kalinova, S. Márina
Burning mouth syndrome (BMS) is described as a burning feeling or sensation in the mouth in the absence of specific oral mucosa lesions. Patients with BМS often complain of paraesthesia (tingling sensation in the mouth), xerostomia (dry mouth sensation), changes in sense of taste and smell. In the past two decades, significant research of this condition has been conducted. Psychological, systemic and local factors probably play a role in the pathogenesis of BMS. We present a case of an 82-year-old female with burning sensation in the mouth and a coexisting growing lesion on her lower lip.
灼口综合征(BMS)被描述为在没有特定口腔黏膜病变的情况下,口腔有灼烧感或感觉。BМS患者常主诉感觉异常(口腔刺痛感)、口干(口干感)、味觉和嗅觉变化。在过去的二十年里,对这种情况进行了大量的研究。心理、全身和局部因素可能在BMS的发病机制中起作用。我们提出一个病例82岁的女性烧灼感在口腔和共存的生长病变在她的下唇。
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引用次数: 0
Necessities versus ethical considerations – the realities of COVID-19 and the moral strain they enforce on society 必需品与伦理考虑——COVID-19的现实及其对社会施加的道德压力
Pub Date : 2020-07-01 DOI: 10.14748/SSM.V52I2.6566
M. Mirchev, A. Kerekovska
INTRODUCTION: After the initially chaotic and sporadic worldwide response to the COVID-19 pandemic, measures and strategies against the spread of this modern-time plague are getting shape and are relatively well adopted. In this environment, we witness the process of hard re-prioritization of needs, re-allocation of resources and some strict means to limit certain freedoms and actions. On the ethical ground, issues of social justice and individual rights are colliding in the shape of a conflict between infringement of rights and violation of rights. In this humanitarian crisis, we observe yet another confrontation of public against individual interest. AIM: The aim of this article is to bring up for discussion from an ethical standpoint freedoms and ultimately rights - in light of the current precautionary measures and the way they affect our social interactions. MATERIALS AND METHODS: Ethical analysis and documental research was conducted, including approved World Health Organization (WHO) statistics and data, experts’ reports, action recommendations, guidelines for measures, and standards of care in a pandemic situation. RESULTS AND CONCLUSION There are different approaches among people towards the pandemic, hence leading to attitudes spanning from indifference and ignorance, to conspiracy suspicions. Others believe that their rights are being unjustly violated. Even though some government strategies suggest debatable - on ethical grounds measures - we need to reconsider our typical expectations of social justice, priorities, and autonomy. Rights and freedoms need to be flexible in contexts of mass disasters, just like our attitude needs to be. To ensure their application in times of peace and prosperity, we need to be ready to give away some of them in times of crisis/pandemic.
导言:在经历了最初混乱和零星的全球应对COVID-19大流行之后,针对这一现代瘟疫传播的措施和战略正在形成,并得到了相对较好的采用。在这种环境中,我们目睹了重新确定需要的优先次序、重新分配资源以及限制某些自由和行动的某些严格手段的进程。在伦理层面上,社会正义问题与个人权利问题正以侵犯权利与侵犯权利的冲突的形式相互碰撞。在这场人道主义危机中,我们看到又一次公共利益与个人利益的对抗。目的:这篇文章的目的是从道德的角度提出自由和最终权利的讨论——根据目前的预防措施和它们影响我们社会互动的方式。材料和方法:进行了伦理分析和文献研究,包括经批准的世界卫生组织(WHO)统计数据和数据、专家报告、行动建议、措施指南和大流行情况下的护理标准。结果与结论人们对大流行的态度不同,因此导致态度从漠不关心和无知到阴谋怀疑。其他人则认为他们的权利受到了不公正的侵犯。尽管一些政府策略提出了有争议的——基于道德的措施——我们需要重新考虑我们对社会正义、优先事项和自治的典型期望。在大规模灾难的情况下,权利和自由需要灵活,就像我们的态度需要灵活一样。为了确保它们在和平与繁荣时期得到应用,我们需要准备好在危机/流行病时期分发一些。
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引用次数: 0
Pilomatrix carcinoma in the presternal region. Very rare or very often misdiagnosed malignancy? 胸骨前区毛基质癌。非常罕见还是经常被误诊的恶性肿瘤?
Pub Date : 2020-07-01 DOI: 10.14748/SSM.V52I2.6495
Todor Yordanov, E. Popchristova, J. Dimitrova, Neli Koleva, I. Yungareva, S. Márina
Pilomatrix carcinoma is a very rarely diagnosed malignancy. There are around 150 cases reported in the literature. In the very past this type of carcinoma was considered as a low-grade, non-metastasizing tumor. Nowadays with its high potential of recurrence and metastasizing the approach to this type of neoplasm should always be careful and multidisciplinary. The first line of therapy is wide surgical excision, followed by adjuvant radiotherapy. If there is observation of lymph node metastases they should be surgically or radiotherapeutically treated.  In the present case report, we present a 46-year-old patient with pilomatrix carcinoma in the presternal region.
毛基质癌是一种非常罕见的恶性肿瘤。文献中报道了大约150例。在过去,这种类型的癌被认为是一种低级别、非转移性的肿瘤。如今,由于其高复发和转移的可能性,这种类型的肿瘤的方法应始终谨慎和多学科。治疗的第一线是广泛的手术切除,其次是辅助放疗。如果观察到淋巴结转移,则应进行手术或放射治疗。在目前的病例报告中,我们提出了一个46岁的患者在胸骨前区域的毛基质癌。
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引用次数: 0
Disseminated superficial actinic porokeratosis, Bowen's disease and basal cell carcinoma. Coincidence or rare double malignant transformation? 弥散性浅浅光化性角化孔症、鲍文氏病和基底细胞癌。巧合还是罕见的双恶性变?
Pub Date : 2020-03-14 DOI: 10.14748/ssm.v51i3.6445
Todor Yordanov, E. Popchristova, Neli Koleva, I. Yungareva, J. Dimitrova, S. Márina
Disseminated superficial actinic porokeratosis (DSAP) is a skin condition that consist of multiple annular, hyperkeratotic lesions. They are usually distributed bilaterally and mostly affect the extremities. DSAPs have a wider distribution than the porokeratosis of Mibelli and usually appears between the age of 40 and 50. Squamous cell carcinoma, Bowen’s disease, and basal cell carcinoma that arises in the classical type of porokeratosis of Mibelli is well-documented, but there are not many reported cases of Bowen’s disease and basal cell carcinoma arising in DSAP. We present a 77-year-old woman in whom the two– Bowen’s disease and Basal cell carcinoma develop in a histologically proven DSAP.
弥散性浅浅光化性角化孔症(DSAP)是一种由多个环形角化过度病变组成的皮肤病。它们通常分布在双侧,主要影响四肢。DSAPs比Mibelli角化症分布更广,通常出现在40 - 50岁之间。鳞状细胞癌、Bowen病和基底细胞癌起源于Mibelli的经典型多孔角化症,文献记载甚多,但在DSAP中发生Bowen病和基底细胞癌的病例报道不多。我们报告一位77岁的女性,在组织学证实的DSAP中发展为双Bowen病和基底细胞癌。
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引用次数: 0
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