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Cellular immunity in women aged 20–40 living in different climatic and geographic regions 生活在不同气候和地理区域的 20-40 岁女性的细胞免疫力
Pub Date : 2024-06-01 DOI: 10.29413/abs.2024-9.2.12
L. Shchegoleva, E. Y. Shashkova, T. Sergeeva
The aim. To identify phenotypic features of adaptive cellular immune responses in young women living in different climatic and geographic regions.Materials and methods. We examined 63 apparently healthy women, including 25 residents of Sovpolye settlement, Arkhangelsk region (Arctic region) and 38 residents of Tskhinvali (Republic of South Ossetia) aged 20–40. The content of lymphocytes, their phenotypes CD4+, CD8+, CD3+, CD5+, CD16+, CD10+, CD71+, CD25+, HLA-DR+ and CD95+, CEA (carcinoembryonic antigen) glycoprotein, and interleukin (IL) 6 and IL-10 cytokines was studied. Lymphocytes phenotyping was performed by indirect immunoperoxidase reaction using monoclonal antibodies (MedBioSpektr, Moscow) on “dried drop” lymphocyte sample with peroxidase conjugate and chromogen solution staining for immersion microscopy analysis (Nicon 50i, Japan). The content of CEA glycoprotein and cytokines was determined using ELISA.Results. In women living in Arctic region, a deficiency of CD5+, CD3+, CD10+, CD95+, CD71+, CD25+, HLA-DR+ cells, CEA and IL-6 concentrations is associated with high concentrations of CD8+ and IL-10. In women living in Southern region, a slight deficiency of CD5+, CD8+ and CD95+ cells is associated with high concentrations of CEA, IL-6, IL-10 and CD10+, CD16+ and HLA-DR+ cells.Conclusion. In inhabitants of different climatic regions, the features of formation of adaptive immune reactions are determined by different quantitative and qualitative composition of lymphocytes and cytokines phenotypes. Reduction of reserve capabilities of immune homeostasis is detected 3 times more often in inhabitants of the Arctic region.
目的确定生活在不同气候和地理区域的年轻女性适应性细胞免疫反应的表型特征。我们对 63 名表面健康的女性进行了检查,其中包括 25 名阿尔汉格尔斯克州(北极地区)索夫波利耶定居点的居民和 38 名茨欣瓦利(南奥塞梯共和国)的居民,年龄在 20-40 岁之间。研究了淋巴细胞的含量、表型 CD4+、CD8+、CD3+、CD5+、CD16+、CD10+、CD71+、CD25+、HLA-DR+ 和 CD95+、CEA(癌胚抗原)糖蛋白、白细胞介素(IL)6 和 IL-10 细胞因子。淋巴细胞表型分析采用间接免疫过氧化物酶反应法,使用单克隆抗体(MedBioSpektr,莫斯科)对 "干滴 "淋巴细胞样本进行过氧化物酶结合物和色原溶液染色,浸入显微镜分析(Nicon 50i,日本)。用酶联免疫吸附法测定 CEA 糖蛋白和细胞因子的含量。在北极地区的妇女中,CD5+、CD3+、CD10+、CD95+、CD71+、CD25+、HLA-DR+细胞、CEA和IL-6浓度缺乏,而CD8+和IL-10浓度较高。在南部地区的妇女中,CD5+、CD8+和CD95+细胞的轻微缺乏与CEA、IL-6、IL-10以及CD10+、CD16+和HLA-DR+细胞的高浓度有关。在不同气候地区的居民中,形成适应性免疫反应的特征是由不同数量和质量的淋巴细胞和细胞因子表型组成决定的。在北极地区的居民中,发现免疫平衡储备能力降低的频率是其他地区的三倍。
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引用次数: 0
Assessment of the therapeutic effect of the drug Molixan in the treatment of Syrian hamsters experimentally infected with the SARS-CoV-2 virus 评估药物 Molixan 对实验性感染 SARS-CoV-2 病毒的叙利亚仓鼠的治疗效果
Pub Date : 2024-06-01 DOI: 10.29413/abs.2024-9.2.20
M. Gulyaeva, L. Shestopalova, X. Din, A. Alekseev, A. G. Markhaev, А. Y. Filippova, V. G. Antonov, A. P. Trashkov, A. M. Shestopalov
Background. Studying the characteristics of the course of coronavirus infection caused by SARS-CoV-2 remains relevant due to the high mutagenicity of the virus and the prevalence of the disease in the world. The search for new drugs to eliminate clinical manifestations of COVID-19, as well as against its agent, is essential. During the pandemic caused by SARS-CoV-2, dexamethasone was recognized as the only effective anti-inflammatory drug for the treatment of patients with severe form of the disease, but its use leads to a large number of side effects.The aim. To study the therapeutic effect of the drug Molixan in the treatment of coronavirus infection in model animals – Syrian hamsters.Methods. To assess the effectiveness of the drug Molixan, we carried out a visual assessment of the condition of the lungs using light microscopy and the morphometry of the lung tissue of experimentally infected Syrian hamsters on the day 6 after infection under different Molixan treatment regimens and during dexamethasone therapy. The test drug was administered using three different doses (22.2 mg/kg, 44.4 mg/kg and 88.8 mg/kg, which are equivalent to doses of 3 mg/kg, 6 mg/kg and 12 mg/kg of human body weight) once daily or dividing the dose into two within 12 h interval in case of multiple (5 days) intramuscular administration. Dexamethasone (comparison drug) was administered at a dose of 20 mg/kg once daily for 5 days.Results. The studies showed statistically significant effectiveness of using Molixan at a dose of 44.4 mg/kg, divided into two doses, during 5 days. When compared with untreated hamsters, this treatment regimen reduces the degree of generalization and severity of the inflammatory process in the lungs; and the pathomorphological picture is similar to that observed during treatment with Dexamethasone.Conclusion. The studied drug Molixan is effective as an anti-inflammatory drug in the treatment of the disease caused by SARS-CoV-2.
背景。由于 SARS-CoV-2 病毒的高度突变性和该疾病在全球的流行,研究该病毒引起的冠状病毒感染过程的特征仍然具有现实意义。寻找消除 COVID-19 临床表现的新药以及针对其病原体的新药至关重要。在由 SARS-CoV-2 引起的大流行期间,地塞米松被认为是治疗重症患者唯一有效的抗炎药物,但使用地塞米松会导致大量副作用。研究莫立善(Molixan)药物在治疗模型动物叙利亚仓鼠冠状病毒感染中的疗效。为了评估药物 Molixan 的疗效,我们在实验感染的叙利亚仓鼠感染后第 6 天,在不同的 Molixan 治疗方案和地塞米松治疗期间,使用光学显微镜和肺组织形态测量法对肺部状况进行了直观评估。试验药物采用三种不同的剂量(22.2 毫克/千克、44.4 毫克/千克和 88.8 毫克/千克,相当于人体体重 3 毫克/千克、6 毫克/千克和 12 毫克/千克的剂量),每天给药一次,或在多次(5 天)肌肉注射的情况下将剂量分成两次,每次间隔 12 小时。地塞米松(对比药物)的剂量为 20 毫克/千克,每天一次,连用 5 天。研究结果表明,莫利克散的剂量为 44.4 毫克/千克,分两次给药,疗程为 5 天。与未经治疗的仓鼠相比,该治疗方案降低了肺部炎症过程的泛化程度和严重程度;其病理形态学表现与使用地塞米松治疗期间观察到的病理形态学表现相似。所研究的药物莫利克散作为一种抗炎药物,在治疗由 SARS-CoV-2 引起的疾病方面效果显著。
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引用次数: 0
Pharmaceutical composition of 1,2,4-trioxolanes with betulin in fish oil. Effect on oxidative and energy metabolism in the treatment of burns in rats 1,2,4-三氧杂环戊烷与鱼油中的白桦脂的药物成分。治疗大鼠烧伤时对氧化和能量代谢的影响
Pub Date : 2024-06-01 DOI: 10.29413/abs.2024-9.2.25
D. Malygina, P. V. Yastrebov, A. E. Fayans, I. Spitskaya, A. L. Esipovich, А. G. Soloveva, P. V. Peretyagin, N. Melnikova
Background. Ozonation products of unsaturated fatty acids in fats and oils – 1,2,4-trioxolanes – which contribute to the normalization of oxidative and energy metabolism in various diseases, may be a promising substance for the creation of new combined anti-burn drugs.The aim. To study the effect of 1,2,4-trioxolanes in a pharmaceutical composition with betulin, which exhibits wound-healing properties, on indicators of oxidative stress and on energy metabolism in the treatment of burns in an experiment onrats. Methods. The experiments were carried out on 50 male Wistar rats with seconddegree skin burns. We assessed the activity of glutathione reductase, glucose-6-phosphate dehydrogenase, lactate dehydrogenase, aldehyde dehydrogenase, superoxide dismutase and catalase, as well as the level of lipid peroxidation indicators.Results. The properties of 1,2,4-trioxolanes were studied and a pharmaceutical composition of 1,2,4-trioxolanes with betulin from birch bark in fish oil was developed. The effect of this composition on oxidative and energy metabolism in rats during the treatment of burns was studied. The activation of NADP/H and NAD/H dependent enzymes (glutathione reductase, glucose-6-phosphate dehydrogenase, lactate dehydrogenase, aldehyde dehydrogenase), as well as superoxide dismutase and catalase, and the normalization of lipid peroxidation parameters under the influence of the studied composition in the treatment of burns were revealed. The effect of the composition on the energy metabolism of erythrocytes was noted, which was assessed by changes in the ratio of lactate dehydrogenase activity in the reverse and direct reactions. Morphohistological studies showed that using the composition under normal conditions and in case of a burn had no effect on the structure of the stomach wall, and also improved the condition of the burn wound on the day 10 compared to the wound condition in animals without treatment.Conclusion. The proposed composition of 1,2,4-trioxolanes and betulin in fish oil, which allows normalizing oxidative and energy metabolism and improving the condition of a burn wound without toxic effects on the stomach wall, can be used as an element of additional therapy in the treatment of burns.
背景。油脂中不饱和脂肪酸的臭氧分解产物--1,2,4-三氧杂环戊烷--有助于各种疾病中氧化和能量代谢的正常化,可能是一种很有前途的物质,可用于制造新的抗烧伤联合药物。目的是通过在大鼠身上进行的实验,研究 1,2,4-三氧杂烷与具有伤口愈合特性的白桦脂组成的药物组合物在治疗烧伤时对氧化应激指标和能量代谢的影响。实验方法实验对象是 50 只二度皮肤烧伤的雄性 Wistar 大鼠。我们评估了谷胱甘肽还原酶、葡萄糖-6-磷酸脱氢酶、乳酸脱氢酶、醛脱氢酶、超氧化物歧化酶和过氧化氢酶的活性以及脂质过氧化指标的水平。对 1,2,4-三氧杂环戊烷的特性进行了研究,并在鱼油中添加了 1,2,4-三氧杂环戊烷和桦树皮中的桦木醇。研究了这种成分在治疗烧伤期间对大鼠氧化和能量代谢的影响。结果显示,在所研究的烧伤治疗成分的影响下,NADP/H 和 NAD/H 依赖酶(谷胱甘肽还原酶、葡萄糖-6-磷酸脱氢酶、乳酸脱氢酶、醛脱氢酶)以及超氧化物歧化酶和过氧化氢酶被激活,脂质过氧化参数恢复正常。该成分对红细胞能量代谢的影响通过逆反应和直接反应中乳酸脱氢酶活性比率的变化进行评估。形态组织学研究表明,在正常情况下和烧伤情况下使用该成分对胃壁结构没有影响,而且与未经处理的动物的伤口情况相比,第 10 天烧伤伤口的情况有所改善。鱼油中的 1,2,4-三氧杂环戊烷和白桦脂的拟议组合物可以使氧化和能量代谢正常化,改善烧伤创面的状况,而不会对胃壁产生毒性影响,可作为治疗烧伤的一种附加疗法。
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引用次数: 0
Histological features of the structure of the long head of biceps brachii tendon in patients with concomitant injuries of the rotator cuff 伴有肩袖损伤的患者肱二头肌长头肌腱结构的组织学特征
Pub Date : 2024-06-01 DOI: 10.29413/abs.2024-9.2.19
D. O. Kolmakov, N. V. Zagorodniy, A. V. Korolev, D. O. Ilyin, O. G. Ushkova
Background. The long head of biceps brachii tendon plays an important role in shoulder pain. Surgical tactics remain controversial. There are two approaches: tenotomy of the long head of biceps brachii tendon and tenodesis. Both have positive and negative sides. There is also no consensus on the effective position for performing tenodesis.The aim. To assess the histological structure of various parts of the long head of biceps brachii tendon, which may be the causes for persistent pain syndrome.Materials and methods. In this study, we examined the histological structure of the long head of biceps brachii tendon in 12 patients aged 18–59 years having chronic anterior shoulder pain with concomitant damage to the supraspinatus and subscapularis tendons. In all cases, magnetic resonance imaging (MRI) revealed changes that made it impossible to perform intraarticular tenodesis. Patients were divided into two groups according to the World Health Organization classification: young (18–44 years) and middle-aged (45–59 years). All patients underwent arthroscopy with subpectoral tenodesis and correction of concomitant pathology. The obtained macropreparations are divided into three zones: the proximal zone, the intertubercular zone and the zone below the intertubercular groove. All macropreparations were sent for histological examination.It was revealed that the most common changes occur in the area of the intertubercular groove in all categories, however, in the middle-aged group, the signs of inflammation and degeneration are equally evident in this zone and in the proximal part of the tendon.Conclusions. Young and middle-aged patients with damage to the tendons of the supraspinatus and subscapularis muscles and signs of chronic tendinitis of the long head of biceps brachii tendon tendon and pronounced structural changes according to MRI should undergo a subpectoral tenodesis procedure; it is also necessary to take into account the anatomical features of the tendon and possible surgical risks.
背景。肱二头肌长头肌腱在肩部疼痛中扮演着重要角色。手术疗法仍存在争议。目前有两种方法:肱二头肌长头肌腱腱切开术和腱鞘切除术。这两种方法各有利弊。对于进行腱鞘切除术的有效体位也未达成共识。评估可能导致持续性疼痛综合征的肱二头肌长头肌腱各部位的组织学结构。在这项研究中,我们对 12 名年龄在 18-59 岁之间、伴有冈上肌腱和肩胛下肌腱损伤的慢性肩前疼痛患者的肱二头肌长头肌腱组织学结构进行了检查。在所有病例中,磁共振成像(MRI)显示的变化导致无法进行关节内腱鞘切除术。根据世界卫生组织的分类,患者被分为两组:年轻组(18-44 岁)和中年组(45-59 岁)。所有患者都接受了关节镜手术,进行了胸骨下腱鞘切除术,并矫正了伴随的病变。获得的大切片分为三个区域:近端区、结节间区和结节间沟下方区。结果显示,在所有类别中,最常见的变化发生在结节间沟区域,但在中年组中,该区域和肌腱近端区域的炎症和变性迹象同样明显。有冈上肌和肩胛下肌肌腱损伤、肱二头肌长头肌腱慢性肌腱炎症状以及核磁共振成像显示有明显结构变化的中青年患者,应接受胸骨下腱鞘切除术;还必须考虑到肌腱的解剖特征和可能的手术风险。
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引用次数: 0
Trigeminal neuralgia at the present stage: Pathophysiology, classification, diagnosis and treatment (literature review) 现阶段的三叉神经痛:病理生理学、分类、诊断和治疗(文献综述)
Pub Date : 2024-06-01 DOI: 10.29413/abs.2024-9.2.14
A. N. Zhurkin, A. V. Semenov, I. Shurygina, E. A. Lozovskaya, V. Sorokovikov, E. Samoylov
The incidence of trigeminal neuralgia (TN) is 4–5 cases per 100,000 population per year, and the prevalence is about 20–50 cases per 100,000 population. According to the modern classification, the following types of TN are distinguished: classical, symptomatic and idiopathic. The cause of classical TN is a neurovascular conflict, of symptomatic TN – neoplasms in the petroclival area, vascular anomalies, multiple sclerosis, etc. In the absence of a reliable etiological factor, TN is considered idiopathic. TN pathogenesis remains one of the most challenging topics in neuroscience. Today, there are many theories and hypotheses regarding the peripheral and central mechanisms of trigeminal neuralgia. The most popular theory is the neurovascular conflict that occurs between the trigeminal nerve and the cerebral vessels, but this theory is not the only one. It is known that even after microvascular decompression, patients may continue to experience facial pain. Therefore, other pathogenetic mechanisms are discussed: short circuit theory, multineuronal mechanism, allergic and immune hypothesis, gate theory, bioresonance hypothesis, trigeminal convergence projection theory, “ignition” hypothesis and ion channel pathology. TN is a clinical diagnosis, and its establishing requires certain criteria proposed by the International Headache Society. Using instrumental research methods, namely magnetic resonance imaging of the brain, is necessary for the differential diagnosis of classical and symptomatic TN, and imaging results should always be interpreted in combination with clinical data to make correct decisions on further treatment tactics.
三叉神经痛(TN)的发病率为每年每 10 万人中 4-5 例,患病率约为每 10 万人中 20-50 例。根据现代分类法,TN 可分为以下几种类型:典型型、症状型和特发性。典型 TN 的病因是神经血管冲突,症状性 TN 的病因是瓣膜区肿瘤、血管异常、多发性硬化等。在没有可靠病因的情况下,TN 被认为是特发性的。TN 的发病机制仍然是神经科学中最具挑战性的课题之一。目前,关于三叉神经痛的外周和中枢机制有许多理论和假说。最流行的理论是发生在三叉神经和脑血管之间的神经血管冲突,但这一理论并不是唯一的理论。众所周知,即使在微血管减压后,患者仍可能继续感到面部疼痛。因此,我们还讨论了其他发病机制:短路理论、多神经元机制、过敏和免疫假说、门理论、生物共振假说、三叉汇聚投射理论、"点火 "假说和离子通道病理学。TN 是一种临床诊断,其确立需要符合国际头痛学会提出的某些标准。在对典型和症状性TN进行鉴别诊断时,有必要使用仪器研究方法,即脑部磁共振成像,并应始终结合临床数据对成像结果进行解释,以便对进一步的治疗策略做出正确的决定。
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引用次数: 0
Quality of life of a child with post-COVID syndrome (clinical case) 后COVID综合征患儿的生活质量(临床病例)
Pub Date : 2024-06-01 DOI: 10.29413/abs.2024-9.2.18
R. Makhmutov, J. V. Poshekhonova, O. A. Likhobabina
Background. In recent years, modern medicine has been paying increasing attention to the patient’s quality of life, both in an interdisciplinary approach and in individual diseases. Quality of life is not only an important component of overall health, but also allows the clinician to develop an individualized approach to the patient based on general criteria for the pathological condition.The aim of the work. To assess the quality of life of a child with post-COVID syndrome.Material and methods. We studied the tonus of autonomic nervous system, the level of memorization, attention span and performance distribution, work efficiency, mental stability, and self-assessment of the anxiety level. The quality of life was assessed using our own method “Quality of life of children with post-COVID syndrome”. Results. A child with post-COVID syndrome developed vegetative, psycho-emotional, and cognitive disorders, which caused significant discomfort in everyday life and persisted for a long period. The neurovegetative changes described above were functional in nature, which allows us to hope for their reversibility. After the treatment, the teenager’s quality of life, based on assessment using our methodology, had a satisfactory score (43 points).Conclusion. The clinical case was characterized by asthenoneurotic disorders, autonomic disorders, increased anxiety, emotional lability, and some cognitive impairments that negatively affected the patient’s quality of life. The above describes the growing need for further development of assessment of the quality of life of children with post-COVID syndrome in order to form clear personalized algorithms for medical correction and rehabilitation of such patients.
背景。近年来,现代医学越来越重视病人的生活质量,无论是在跨学科方法中还是在个别疾病中都是如此。生活质量不仅是整体健康的重要组成部分,还能让临床医生根据病理状况的一般标准为患者制定个性化的治疗方法。评估 COVID 后综合征患儿的生活质量。我们研究了自律神经系统的强直性、记忆水平、注意力和表现分布、工作效率、精神稳定性以及焦虑程度的自我评估。生活质量采用我们自己的 "后 COVID 综合征儿童生活质量 "方法进行评估。评估结果一名患有后 COVID 综合征的儿童出现了植物神经、心理情感和认知障碍,给日常生活带来了严重不适,并持续了很长时间。上述神经-植物功能的变化是功能性的,因此我们希望这些变化是可逆的。治疗后,根据我们采用的方法进行的评估,该青少年的生活质量令人满意(43 分)。该临床病例的特点是肌张力障碍、自律神经失调、焦虑加重、情绪不稳定和一些认知障碍,这些都对患者的生活质量产生了负面影响。上述情况表明,越来越有必要进一步发展后 COVID 综合征患儿的生活质量评估,以便为此类患者的医疗矫正和康复制定明确的个性化算法。
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引用次数: 0
Epizootological and epidemiological situation of anthrax in Siberia and the Far East (1985–2023) 西伯利亚和远东地区炭疽的动物学和流行病学状况(1985-2023 年)
Pub Date : 2024-06-01 DOI: 10.29413/abs.2024-9.2.26
Z. F. Dugarzhapova, E. V. Kravets, S. V. Balakhonov
Anthrax remains relevant in the world and in the Russian Federation. In Siberia and the Far East, epizootological, epidemiological, environmental and microbiological monitoring of anthrax is constantly carried out. To analyze the epizootological and epidemiological situation of anthrax, we used the information from veterinary institutions and Rospotrebnadzor for 24 regions, as well as reference and archive materials. On the territory of Siberia and the Far East for the period from 1985 to 2023, pronounced epizootological and epidemiological problems of anthrax are observed in the Yamalo-Nenets Autonomous Okrug, the Republic of Buryatia, Omsk Region and the Altai Territory. Over the last five-year observation period, high epizootic activity has been observed in the west of the Republic of Tyva. A total of 3,375 livestock animals and 128 people fell ill. The anthrax database contains information on 7,491 stationary anthrax-infected points in 22 subjects and 562 anthrax burials and cattle burials in 17 subjects of Siberia and the Far East. B. anthracis strains have slight variability in biological properties and belong to two global genetic lines – A and B. In order to prevent anthrax, it is necessary to ensure surveillance of soil foci of anthrax (anthrax burials and cattle burials, “plague fields”), a high level of livestock animals registration and their specific vaccination coverage; to control the implementation of veterinary and sanitary requirements for pre-mortem inspection and emergency slaughter of livestock, the sale of meat and meat products, and biological waste disposal; to carry out explanatory work among the population.
炭疽病在世界和俄罗斯联邦仍然具有现实意义。在西伯利亚和远东地区,对炭疽的流行病学、传染病学、环境和微生物学监测一直在进行。为了分析炭疽的动物学和流行病学情况,我们使用了 24 个地区的兽医机构和 Rospotrebnadzor 提供的信息,以及参考资料和档案材料。从 1985 年到 2023 年,在西伯利亚和远东地区,亚马尔-涅涅茨自治区、布里亚特共和国、鄂木斯克州和阿尔泰边疆区出现了明显的炭疽流行病学问题。在过去 5 年的观察期内,提瓦共和国西部的炭疽病发病率较高。共有 3 375 头牲畜和 128 人患病。炭疽病数据库包含西伯利亚和远东 22 个地区 7 491 个固定炭疽病感染点的信息,以及 17 个地区 562 个炭疽病墓葬和牛葬的信息。炭疽杆菌菌株的生物特性略有不同,属于两个全球基因系--A 和 B。为了预防炭疽病,有必要确保对土壤中的炭疽病疫点(炭疽病墓葬和牛葬,"鼠疫场")进行监测,对牲畜进行高水平的登记和特定疫苗接种;控制牲畜死前检查和紧急屠宰、肉类和肉制品销售以及生物废物处理等兽医和卫生要求的执行情况;在居民中开展解释工作。
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引用次数: 0
Comparative assessment of structural changes in the prostate after bipolar plasma and thulium fiber laser enucleation of benign prostatic hyperplasia 双极等离子体和铥光纤激光切除良性前列腺增生后前列腺结构变化的比较评估
Pub Date : 2024-06-01 DOI: 10.29413/abs.2024-9.2.13
I. K. Notov, S. V. Zalavina, S. V. Mashak, N. Bgatova, S. V. Pozdnyakova, S. V. Savchenko, K. G. Notov
Background. Benign prostatic hyperplasia (BPH) is a common disease in older men. Transurethral surgery in BPH is the gold standard for treatment, but the techniques differ in the energy used. Considering the different mechanisms of action of bipolar plasma and thulium fiber laser energy on prostate tissue, the study of structural changes under their influence is relevant.The aim. To study the features of structural changes in the prostate during bipolar plasma and thulium fiber laser enucleation of benign prostatic hyperplasia.Methods. Thirty one patients with BPH were divided into two groups. Group 1 (n = 17) underwent transurethral plasma enucleation of the prostate; Group 2 (n = 14) underwent transurethral thulium fiber laser enucleation. Fragments of the surgical prostate capsule were collected intraoperatively and were processed according to standard examination protocols using light and electron microscopy. The width of coagulation necrosis, the relief of the dissection line, the severity of cell and the prostate intercellular matrix destruction were taken into account.Results. Studies have shown the clinical and functional perioperative homology of the compared methods of surgical treatment of BPH. Data from light and electron prostate microscopy showed a greater damaging effect of bipolar plasma energy, which is manifested by a larger width of the zone of coagulation necrosis, a torn and raised appearance of the dissection line, and pronounced integrity violations of cellular elements and intercellular matrix components. Laser exposure causes less pronounced changes, which indicates a more gentle effect of the thulium fiber laser on the prostate components.Conclusion. The obtained microscopy results indicate that the intraoperative action of a thulium fiber laser is less traumatic for the cells and intercellular matrix of the surgical prostate capsule compared to bipolar plasma exposure.
背景。良性前列腺增生症(BPH)是老年男性的常见疾病。经尿道前列腺手术是治疗良性前列腺增生症的金标准,但不同技术使用的能量不同。考虑到双极等离子体和铥光纤激光能量对前列腺组织的作用机制不同,研究它们影响下的结构变化具有现实意义。研究良性前列腺增生的双极等离子体和铥光纤激光去核术中前列腺结构变化的特征。31名良性前列腺增生患者分为两组。第一组(17 人)接受经尿道等离子前列腺剜除术;第二组(14 人)接受经尿道铥光纤激光剜除术。术中收集手术前列腺囊碎片,并按照标准检查方案使用光学显微镜和电子显微镜进行处理。结果。研究表明,相比之下,前列腺增生症手术治疗方法的临床和围手术期功能具有同源性。光镜和电子前列腺显微镜的数据显示,双极等离子能量的破坏作用更大,表现为凝固性坏死区的宽度更大,剥离线出现撕裂和隆起,细胞元素和细胞间基质成分的完整性明显受到破坏。激光照射引起的变化不太明显,这表明铥纤维激光对前列腺成分的作用更温和。显微镜检查结果表明,与双极等离子曝光相比,铥纤维激光的术中作用对手术前列腺囊的细胞和细胞间基质的创伤较小。
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引用次数: 0
Granulomatosis with polyangiitis, complicated by ocular adnexa lesion and vascular changes in retina and choroid (literature review with a clinical case) 肉芽肿伴多血管炎,并发眼部附件病变以及视网膜和脉络膜血管病变(文献综述与临床病例)
Pub Date : 2024-06-01 DOI: 10.29413/abs.2024-9.2.17
P. V. Tolstov, S. I. Zhukova, A. Kalyagin, J. V. Aleksandrova, T. Maksikova, O. Ryzhkova, A. Sinkov
Granulomatosis with polyangiitis (GPA) is manifested as ocular pathology in almost a third of patients, which can either be detected at the onset of the disease or occur in the late stages. The pathological process involves the orbit, sclera, episclera, cornea, conjunctiva, eyelids, nasolacrimal system, optic nerve, retina and choroid. Lesion of eye and its surrounding structures determines the severity of the pathological process, the patient’s quality of life and prognosis. The article presents a clinical case of a 38-year-old man with an unfavorable course of GPA, lesion to upper and lower respiratory tract, kidneys, and musculoskeletal system. The authors consider ocular manifestations in the context of a systemic disease. An ophthalmological examination of the patient revealed changes in sclera and choroid, which had not previously been described in detail in the literature. The patient underwent cataract phacoemulsification in the right eye with implantation of a posterior chamber intraocular lens. The dynamics of clinical manifestations of eye lesion in the near future is positive, but in the long term it remains doubtful due to pronounced changes in the orbit and adnexa of the eye against the background of ongoing small vessels vasculitis. Early consultation with an ophthalmologist and optical coherence tomography in patients with GPA are necessary at any stage of the disease. The clinical case is presented with consideration to the CARE 2021 recommendations.
肉芽肿伴多血管炎(GPA)几乎有三分之一的患者表现为眼部病变,这种病变可以在发病初期发现,也可以发生在晚期。病变过程涉及眼眶、巩膜、上巩膜、角膜、结膜、眼睑、鼻泪管系统、视神经、视网膜和脉络膜。眼睛及其周围结构的病变决定了病变的严重程度、患者的生活质量和预后。本文介绍了一个 38 岁男性的临床病例,他的 GPA 病程不佳,上呼吸道、下呼吸道、肾脏和肌肉骨骼系统均有病变。作者认为眼部表现是全身性疾病的一种表现。对患者进行的眼科检查发现,患者的巩膜和脉络膜发生了变化,而这些变化在以前的文献中没有详细描述过。患者接受了右眼白内障超声乳化手术,并植入了后房型人工晶体。近期内眼部病变临床表现的动态是积极的,但由于眼眶和眼部附件在小血管炎持续存在的背景下发生了明显的变化,远期的临床表现仍值得怀疑。在疾病的任何阶段,GPA 患者都有必要及早咨询眼科医生并进行光学相干断层扫描。本临床病例的介绍考虑到了 CARE 2021 的建议。
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引用次数: 0
Hybrid treatment of recurrent venous mesenteric thrombosis with small intestinal necrosis 伴有小肠坏死的复发性肠系膜静脉血栓形成的混合疗法
Pub Date : 2024-06-01 DOI: 10.29413/abs.2024-9.2.22
S. E. Grigoryev, A. V. Novozhilov, E. G. Grigoryev
The article presents a clinical case of a 39-year-old patient with thrombosis and postoperative rethrombosis of the superior mesenteric vein. The disease was complicated by the small intestine necrosis and abdominal surgical infection. Successful thrombectomy and bowel resection made it possible to restore mesenteric blood supply, to stabilize the patient’s condition and to perform an enteroenteroanastomosis. Due to antithrombin III deficiency, rethrombosis in the early postoperative period was complicated by anastomotic leak, unformed intestinal fistula and peritonitis. A hybrid treatment (surgical, parasurgical and conservative) was performed, which included selective infusion of a thrombolysis activator at the superior mesenteric artery mouth. The patient recovered.Clinical and laboratory manifestations of superior mesenteric vein thrombosis, in contrast to acute circulatory disorders in the arteriomesenteric system, are nonspecific and do not always allow timely diagnosis of intestinal ischemia. MSCT angiography identifies venous mesenteric thrombosis in most cases. The ineffectiveness of anticoagulant therapy against the background of antithrombin III deficiency caused superior mesenteric vein thrombosis and rethrombosis. The treatment of the small intestine critical postoperative ischemia included an increase in the volume of antithrombin III and frozen plasma intravenous infusion and selective administration of a thrombolysis activator (actilyse) into the superior mesenteric artery, which made it possible to restore the arteriolovenular intramural blood flow of the small intestine and to prevent another stem rethrombosis of the superior mesenteric vein. Laparostomy using a silicone plate made it possible to constantly monitor the course of the abdominal infectious process and to make timely decisions about the next intervention if medically required. The vacuum assisted design provided permanent lavage of the abdominal cavity without trauma to the soft tissues of the abdominal wall and presenting intestinal loops.
文章介绍了一例 39 岁的肠系膜上静脉血栓形成和术后再血栓形成患者的临床病例。该病因小肠坏死和腹部手术感染而并发。成功的血栓切除术和肠切除术恢复了肠系膜的血液供应,稳定了患者的病情,并进行了肠外吻合术。由于抗凝血酶 III 缺乏,术后早期再血栓形成并发吻合口漏、未成形肠瘘和腹膜炎。患者接受了混合治疗(手术、辅助手术和保守治疗),包括在肠系膜上动脉口选择性输注溶栓激活剂。肠系膜上静脉血栓形成的临床和实验室表现与肠系膜动脉系统的急性循环系统疾病不同,是非特异性的,并不总能及时诊断出肠道缺血。MSCT 血管造影可在大多数病例中发现肠系膜静脉血栓。在抗凝血酶 III 缺乏的背景下,抗凝治疗无效会导致肠系膜上静脉血栓形成和再血栓形成。小肠危重症术后缺血的治疗包括增加抗凝血酶 III 和冰冻血浆的静脉注射量,以及选择性地向肠系膜上动脉注射溶栓激活剂(actilyse),从而恢复了小肠的动静脉内血流,防止了肠系膜上静脉再次发生干性血栓再形成。使用硅胶板进行的腹腔穿刺术可以持续监测腹腔感染过程,并在医疗需要时及时决定下一步干预措施。真空辅助设计可对腹腔进行永久性灌洗,而不会对腹壁软组织和现存肠襻造成创伤。
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引用次数: 0
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