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The Renoprotective Effects of Liraglutide and Alfacalcidol against Cisplatin Induced Nephrotoxicity in Mice 利拉鲁肽和阿法骨化醇对顺铂诱导的小鼠肾毒性的保护作用
Pub Date : 2024-03-13 DOI: 10.9734/jammr/2024/v36i45401
Basma I. Fehil, Ahmed I. Yassin, Heba A. Mahmoud, Sabiha E. Hedya
Cisplatin (CP) is an important platinum-based chemotherapy agent widely used to treat solid tumors. However, nephrotoxicity is the main limiting adverse effect in 25%–35% of patients treated with even a single dose of CP. This study aimed to evaluate the role of liraglutide (LIRA) and alfacalcidol (ALFA), each of them alone and in combination, in prevention of CP-induced nephrotoxicity. Forty male albino mice were divided into five groups including normal control group and groups CP, CP with LIRA, CP with ALFA, or CP with LIRA and ALFA. Nephrotoxicity was induced by single intraperitoneal injection of CP in a dose 12mg/kg. LIRA and/or ALFA treatment was started 5 days before induction of nephrotoxicity and continued till the end of experiment. Kidney function tests, oxidative stress and ferroptosis parameters were assessed. Histopathological and immunohistochemical examination were performed on kidney tissues. Both LIRA and ALFA monotherapy resulted in a significant improvement in kidney function tests, increased antioxidant levels, inhibition of ferroptosis and improved histopathological findings. LIRA showed more improvement compared to ALFA and their combination showed better results than each one alone. In conclusion, LIRA and ALFA either alone or in combination, represent a promising preventive modality for amelioration of CP-induced nephrotoxicity.
顺铂(CP)是一种重要的铂类化疗药物,被广泛用于治疗实体瘤。然而,在接受过单剂顺铂治疗的患者中,25%-35%的患者会出现肾毒性这一主要的限制性不良反应。本研究旨在评估利拉鲁肽(LIRA)和阿法骨化醇(ALFA)各自单独或联合使用在预防氯化石蜡诱导的肾毒性方面的作用。将 40 只雄性白化小鼠分为 5 组,包括正常对照组、氯化石蜡组、氯化石蜡与 LIRA 组、氯化石蜡与 ALFA 组、氯化石蜡与 LIRA 和 ALFA 组。氯化石蜡单次腹腔注射剂量为 12 毫克/千克,诱导肾毒性。LIRA和/或ALFA治疗在肾毒性诱导前5天开始,并持续到实验结束。对肾功能测试、氧化应激和铁变态反应参数进行了评估。对肾组织进行组织病理学和免疫组化检查。LIRA和ALFA单药治疗均显著改善了肾功能测试、提高了抗氧化剂水平、抑制了铁蛋白沉积并改善了组织病理学结果。与 ALFA 相比,LIRA 的改善幅度更大,而两者联合使用的效果也比单独使用更好。总之,LIRA 和 ALFA 无论是单独使用还是联合使用,都是改善氯化石蜡诱发的肾毒性的一种很有前景的预防方法。
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引用次数: 0
Diagnostic Challenging Case of Hypoplastic Acute Myeloid Leukemia with Literature Review 发育不全急性髓细胞白血病诊断难题病例及文献综述
Pub Date : 2024-03-13 DOI: 10.9734/jammr/2024/v36i45402
Abinaya, Kumar A, Sinha R, Singh A
Hypoplastic acute leukemia (HAL), also known as smoldering leukemia, is a form of atypical leukemia. It is a rare entity and currently defined as having cellularity of < 20% in bone marrow with >20% blasts at presentation. Hypocellular acute myeloid leukemia are more frequent than hypocellular variant of acute lymphoid leukemia. Although cases of hypoplastic acute myeloid in children and younger age group have been reported in literature, they are extremely rare. These cases pose a diagnostic challenge to the hematopathologist and treating physician, as hematological features of hypoplastic acute myeloid leuckemia (AML), hypocellular myelodysplastic syndrome and aplastic anemia are similar. Therefore, it is crucial to distinguish between these diseases as treatment modalities are different for each entity. Very few reported cases are available in literature. Hereby, we report this case of hypocellular AML-M0 in a 16-years-old Indian boy.
低增生性急性白血病(HAL)又称烟雾性白血病,是一种非典型白血病。它是一种罕见的疾病,目前的定义是骨髓细胞率小于 20%,但发病时血细胞率大于 20%。低细胞型急性髓细胞白血病比低细胞型急性淋巴细胞白血病更常见。虽然文献中也有关于儿童和低年龄组低细胞急性髓细胞病例的报道,但这些病例极为罕见。这些病例给血液病理学家和主治医生带来了诊断上的挑战,因为低增生性急性髓系白血病(AML)、低细胞性骨髓增生异常综合征和再生障碍性贫血的血液学特征相似。因此,区分这些疾病至关重要,因为每种疾病的治疗方法都不同。文献中报道的病例很少。在此,我们报告了一例低细胞性 AML-M0 病例,患者是一名 16 岁的印度男孩。
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引用次数: 0
Epidemiological Profile and Trends of Breast Cancer in the Municipalities of Belém and Ananindeua, Pará State, Amazon 亚马逊河流域帕拉州贝伦市和阿纳宁德阿市的乳腺癌流行概况和趋势
Pub Date : 2024-03-11 DOI: 10.9734/jammr/2024/v36i45399
Thiago Augusto Ferreira dos Anjos, A. M. Monteiro, Raquel Gomes da Silva, Kézia Dias Lopes, Lucrécia Aline Cabral Formigosa, Luciana Ferreira dos Santos, Patrícia Santos Martins, Marcela Raíssa Asevedo Dergan
Introduction: Breast cancer is a public health problem, characterized by an uncontrolled growth of malignant cells in breast tissue and the most common type of cancer among women, representing one of the main causes of death in the world.Objective: To carry out an epidemiological profile and trend of breast cancer in the municipalities of Belém and Ananindeua, state of Pará, Amazonia.Methods: This is an ecological, time-series, retrospective, descriptive, quantitative and analytical study, where data were collected from the Population-Based Cancer Registry/State Department of Public Health of the State of Pará in partnership with the Ophir Loyola Hospital (RCBP/SESPA/HOL).Results: The sociodemographic profile, the variable married (marital status) had the highest number of cases and percentage in 1712 (37%), followed by data without information 1214 (26%), followed by the single variable with 1079 (23%). In addition, the brown race was in first place with 1627 (35%) total cases, in schooling the data without information had the highest quantity in 1638 (35%), followed by high school (Old High School) in 1172 (25%). In tumor morphology, infiltrating ductal carcinoma was significant in 3309 (71%), followed by carcinoma without other specifications (NOS) with 284 (6%), in third place malignant neoplasm in 245 (5%). Regarding topography, in the total number of cases, breast was in first place with 2779 (60%), then the upper outer quadrant of the breast in 727 (16%), in third place invasive lesion of the breast 515 (11%), while in the two municipalities Belém had higher cases 3872, compared to Ananindeua 787. Conclusion: The data presented, as well as the epidemiological indicators of breast cancer, such as the trend of the disease, the coefficients of determination, correlation and mortality, were significant, thus elucidating a public health problem, since the epidemiological panorama in the cities of Belém and Ananindeua is increasing.
导言:乳腺癌是一个公共卫生问题,其特点是乳腺组织中恶性细胞不受控制地生长,是女性最常见的癌症类型,也是世界上女性死亡的主要原因之一:在亚马逊帕拉州的贝伦市和阿纳宁德阿市开展乳腺癌流行病学概况和趋势调查:这是一项生态学、时间序列、回顾性、描述性、定量和分析性研究,数据来自帕拉州人口癌症登记处/州公共卫生局与奥菲尔-洛约拉医院(RCBP/SESPA/HOL)的合作:在社会人口统计学特征中,已婚变量(婚姻状况)的病例数和比例最高,为 1712 例(37%),其次是无数据的 1214 例(26%),再次是单身变量,为 1079 例(23%)。此外,棕色人种以 1627 例(35%)的总病例数位居第一,在学校教育方面,无信息数据的病例数最多,为 1638 例(35%),其次是高中(旧高中),为 1172 例(25%)。在肿瘤形态方面,浸润性导管癌在 3 309 例(71%)中占很大比例,其次是无其他规格的癌,有 284 例(6%),第三位是恶性肿瘤,有 245 例(5%)。就地形而言,在所有病例中,乳房占第一位,有 2779 例(60%),其次是乳房外上象限,有 727 例(16%),第三位是乳房浸润性病变,有 515 例(11%),而在这两个市中,贝伦市的病例数为 3872 例,阿那宁德阿市为 787 例。结论所提供的数据以及乳腺癌的流行病学指标,如疾病的趋势、决定系数、相关性和死亡率,都具有重要意义,从而阐明了一个公共卫生问题,因为贝伦市和阿纳宁德阿市的流行病学概况正在不断增加。
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引用次数: 0
Evaluation of Various Therapeutic Approaches in Treating Medication-related Osteonecrosis of the Jaw: A Systematic Review 评估治疗与药物相关的颌骨骨坏死的各种治疗方法:系统回顾
Pub Date : 2024-03-11 DOI: 10.9734/jammr/2024/v36i45400
Mário Jorge Augusto de Andrade, Marilia Oliveira Coelho Dutra Leal, C. Jodas, Renato Assis Machado, A. Bachesk, R. G. Teixeira
Background and Aims: Medication-related osteonecrosis of the jaws (MRONJ) is a significant and potentially debilitating side effect caused by antiresorptive and antiangiogenic drugs, which can lead to bone exposure in the oral cavity. However, the management of this condition remains controversial, with adjuvant therapies being employed despite limited scientific evidence. This systematic review aimed to identify effective therapeutic procedures for treating MRONJ. Methodology: A literature search was conducted without any temporal limitations. The PRISMA protocol was followed. To identify relevant studies, we developed electronic search strategies for various bibliographic databases, as Cochrane, Embase, PubMed, Scopus, and Web of Science. It was conducted a comprehensive analysis of 30 studies involving 2,079 patients from 35 countries to evaluate the effectiveness of various treatment approaches for MRONJ. Results: The systematic review revealed that long-term use of Zoledronic acid for approximately 452.04 months (±27.41; 12-102) exposed many patients (n=772) to the risk of MRONJ. Similarly, Alendronate use for approximately 104.4 months (±60.16; 6-180) also posed a risk, affecting 650 patients, while Pamidronate use for about 20.74 months (±4.94; 6-96) was associated with MRONJ risk in 121 patients. Among the treatment approaches, conservative surgical management was the most frequently employed (27.92%), followed by local debridement (13.57%) and conservative treatment (11.21%). Treatment complications were observed in 13.03% of cases, with the most frequent complications being resistant or worsening clinical stage of osteonecrosis, followed by incomplete mucosal healing or dehiscence and mental nerve injury. Conclusion: While conservative surgical management, local debridement, and conservative treatment are commonly utilized approaches, the treatment of MRONJ lacks a standardized consensus due to the scarcity of scientific evidence. Further research and comprehensive studies are imperative to establish effective therapeutic strategies for managing this condition.
背景和目的:药物相关性颌骨骨坏死(MRONJ)是抗骨吸收和抗血管生成药物引起的一种严重且可能使人衰弱的副作用,可导致口腔骨暴露。然而,对这种情况的处理仍存在争议,尽管科学证据有限,但仍在使用辅助疗法。本系统综述旨在确定治疗 MRONJ 的有效治疗程序。研究方法:在没有时间限制的情况下进行文献检索。我们遵循了 PRISMA 协议。为确定相关研究,我们在 Cochrane、Embase、PubMed、Scopus 和 Web of Science 等多个文献数据库中制定了电子检索策略。我们对来自 35 个国家、涉及 2,079 名患者的 30 项研究进行了综合分析,以评估各种治疗方法对 MRONJ 的有效性。结果:系统综述显示,长期使用唑来膦酸约 452.04 个月(±27.41;12-102),使许多患者(n=772)面临 MRONJ 风险。同样,阿仑膦酸钠使用约 104.4 个月(±60.16;6-180)也有风险,影响了 650 名患者,而帕米膦酸钠使用约 20.74 个月(±4.94;6-96)与 121 名患者的 MRONJ 风险有关。在治疗方法中,最常采用的是保守手术治疗(27.92%),其次是局部清创(13.57%)和保守治疗(11.21%)。13.03%的病例出现了治疗并发症,最常见的并发症是骨坏死耐药或临床阶段恶化,其次是粘膜不完全愈合或开裂以及精神神经损伤。结论虽然保守手术治疗、局部清创和保守治疗是常用的方法,但由于缺乏科学证据,MRONJ的治疗缺乏标准化共识。必须开展进一步的研究和全面的调查,以确立有效的治疗策略。
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引用次数: 0
Comparative Study on the Efficacy of Injectable Platelet Rich Fibrin (i-PRF) and Albumin Gel (ALB-Gel) in Facial Rejuvenation: A Clinical Ultrasonographic Evaluation 注射用富血小板纤维蛋白(i-PRF)和白蛋白凝胶(ALB-Gel)在面部年轻化中的功效比较研究:临床超声波评估
Pub Date : 2024-03-09 DOI: 10.9734/jammr/2024/v36i45398
Roberto Puertas Garcia, Fernanda Pirossi Brodt, Carolyne Martins De Marchi, Paulo Roxo Barja, A. Dória, Gisele Rosada Dônola Furtado, Michelle Fechine Costa, J. Paterno
Cutaneous ageing is a natural process associated with advancing age, potentially resulting in negative consequences on individuals' self-esteem. The primary manifestations of this process are the emergence of wrinkles, spots, dehydration, sagging, and loss of tissue vitality. In recent years, there has been a significant increase in the pursuit of more natural treatments for facial rejuvenation. In this context, using ALB-Gel and i-PRF stands out as a biological and autologous material.Materials and Methods: The measurement of the dermis using a 16 MHz ultrasound device and photographic documentation allowed for evaluating the technique's efficacy in reducing signs of ageing and nasolabial fold depth. The clinical study was conducted with 13 female participants aged 35 to 55 who underwent a session of ALB-Gel and i-PRF application in the right hemiface nasolabial fold region and i-PRF in the left hemiface. A paired t-test with a significance level of 5% was used in the statistical analysis. The scores on the Self-Perception Index were also statistically assessed using the Wilcoxon test at 5% to verify significant improvement. Additionally, new frontal and profile D and E photos were taken and compared with the initial images.Results: For the right hemiface nasolabial fold, a P < 0.0074 was observed to compare initial and final signs; for the left hemiface, a P < 0.1259 was obtained. These statistical results evidence a significant increase in dermal thickness in the right hemiface nasolabial fold (D) region after intradermal application of ALB-Gel and i-PRF; in the left hemiface nasolabial fold (E) region, treated only with i-PRF, no significant change in dermal thickness was observed. The statistical analysis conducted for the Self-Perception Index revealed a P < 0.0001, indicating a highly significant improvement in participant perception post-treatment.Conclusion: The intradermal application of ALB-Gel and i-PRF in a single session significantly increased dermal thickness, indicating this is a simple and low-cost alternative for dermal restructuring.
皮肤老化是一个与年龄增长相关的自然过程,可能会对个人的自尊造成负面影响。这一过程的主要表现是出现皱纹、色斑、脱水、下垂和组织失去活力。近年来,越来越多的人开始追求更天然的面部年轻化疗法。在这种情况下,使用 ALB-Gel 和 i-PRF 作为生物和自体材料就显得尤为重要:材料和方法:使用 16 MHz 超声波设备对真皮层进行测量并拍照记录,以评估该技术在减少老化迹象和鼻唇沟深度方面的功效。13 名年龄在 35 至 55 岁之间的女性参加了临床研究,她们在右侧鼻唇沟区域接受了 ALB 凝胶和 i-PRF 治疗,在左侧鼻唇沟区域接受了 i-PRF 治疗。统计分析采用配对 t 检验,显著性水平为 5%。自我感知指数的得分也使用 Wilcoxon 检验进行了统计评估,检验的显著性水平为 5%,以验证是否有明显改善。此外,还拍摄了新的正面和侧面 D 和 E 照片,并与初始图像进行比较:就右侧鼻唇沟而言,比较初始和最终体征,P < 0.0074;就左侧鼻唇沟而言,P < 0.1259。这些统计结果表明,在皮内涂抹 ALB-Gel 和 i-PRF 后,右侧鼻唇沟区域(D)的真皮厚度明显增加;而在仅使用 i-PRF 的左侧鼻唇沟区域(E),真皮厚度没有明显变化。对自我感知指数进行的统计分析显示,P < 0.0001,表明治疗后参与者的感知有了非常明显的改善:结论:一次性皮内涂抹 ALB-Gel 和 i-PRF 能显著增加真皮厚度,表明这是一种简单、低成本的真皮重组替代方法。
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引用次数: 0
Epidemiological Analysis of Patients with Vitreoretinal Diseases Undergoing Intravitreal Therapy at a Referral Hospital in the State of Pará 帕拉州一家转诊医院接受玻璃体内治疗的玻璃体视网膜疾病患者的流行病学分析
Pub Date : 2024-03-09 DOI: 10.9734/jammr/2024/v36i45397
Evelly Christinne da Silva Moraes, E. F. D. A. Sobrinho, Breno Yanaguibashi Gonçalves, Ryan Jorge Amorim, Glenda Figueira Guimarães, Kelly Cristina Costa Guedes Nascimento, Paulo Armando Rosa Miranda da Silva, Camilla Castilho Maia, Francisco Dias Lucena Neto, Igor Jordan Barbosa Coutinho, Bruno Eduardo da Silva Oliveira, Vitor Hugo Auzier Lima
Introduction: The intravitreal injection has become one of the most frequently performed invasive procedures in ophthalmology in the last few years. The intravitreal therapy with antiangiogenics is considered the first line of treatment for several retinal diseases through the inhibition of messenger RNA synthesis, transcription or direct blockade of action of vascular endothelial growth factor (VEGF). The most commonly used antiangiogenic agents today are: ranibizumab, bevacizumab, aflibercept and faricimab. Triamcinolone, a potent steroid, is also used in refractory cases. According to the Brazilian Retina and Vitreous Society, the pathologies most treated with anti-VEGF were Age-Related Macular Degeneration (AMD), followed by Diabetic Macular Edema (DME) and RVO.Objective: To analyze the epidemiological impact of intravitreal therapy on patients with vitreoretinal diseases treated at the Hospital Universitário Bettina Ferro de Souza in Belém, Pará.Methods: An observational, cross-sectional, descriptive study with a quantitative approach was carried out. The medical records of 419 patients with vitreoretinal disease and indication of intravitreal therapy were analyzed between January 2018 and August 2023 in an Ophthalmological Reference Centre, evaluating visual acuity, sex, origin, age, injected eye, number of injections, substance injected and underlying disease, using the Chi-Square test of independence with the help of Excel (Microsoft Office) and Epi Info programs.Results: Among the 419 patients evaluated and 540 eyes injected, the average age observed was 66.6 years, there was no predominance of sex and the majority of patients came from the State of Pará. Diabetic Macular Edema (DME) was the most prevalent disease, followed by AMD and retinal occlusion. 68.3% at least started treatment and received one or more substances. AMD and DR correspond to 81.6% of injections administered and Ranibizumab is the most used drug, corresponding to 93% of injections. Considering visual acuity, an improvement was evident after therapy.Conclusion: This work reinforced the difficulty in accessing ocular health and availability of intravitreal treatment with antiangiogenic drugs faced by these patients, worsening their visual prognosis.  These medications have a high financial cost and a major impact on vitreoretinal diseases, therefore it is necessary to manage these patients, as well as the early diagnosis of different vitreoretinal disorders that can be treated with these medications, allowing the identification of the main etiologies prevalent in the Amazon region and helping to prevent these diseases.
导言:近几年来,玻璃体内注射已成为眼科领域最常见的侵入性手术之一。通过抑制信使核糖核酸(RNA)的合成、转录或直接阻断血管内皮生长因子(VEGF)的作用,玻璃体内注射抗血管生成药物被认为是治疗多种视网膜疾病的一线疗法。目前最常用的抗血管生成药物有:雷尼单抗、贝伐单抗、阿弗利百普和法利单抗。强效类固醇曲安奈德也用于难治性病例。根据巴西视网膜和玻璃体协会的数据,抗血管内皮生长因子治疗最多的病症是老年性黄斑变性(AMD),其次是糖尿病性黄斑水肿(DME)和视网膜视网膜病变(RVO):分析玻璃体内治疗对帕拉州贝伦市贝蒂娜-费罗-德索萨大学医院玻璃体视网膜疾病患者的流行病学影响:方法:开展了一项观察性、横断面、描述性的定量研究。在Excel(Microsoft Office)和Epi Info程序的帮助下,使用独立的Chi-Square检验对眼科参考资料中心2018年1月至2023年8月期间419名玻璃体视网膜疾病患者的病历进行了分析,评估了视力、性别、籍贯、年龄、注射眼、注射次数、注射物质和潜在疾病:在接受评估的 419 名患者和接受注射的 540 只眼睛中,观察到的平均年龄为 66.6 岁,性别不占优势,大多数患者来自帕拉州。糖尿病性黄斑水肿(DME)是最常见的疾病,其次是老年性黄斑变性和视网膜闭塞。68.3%的患者至少已开始治疗,并接受了一种或多种药物治疗。AMD和DR占注射治疗的81.6%,而Ranibizumab是使用最多的药物,占注射治疗的93%。从视力角度看,治疗后视力明显改善:这项研究进一步说明,这些患者很难获得眼科医疗服务,也很难获得玻璃体内抗血管生成药物的治疗,从而导致视力预后恶化。 这些药物的经济成本很高,对玻璃体视网膜疾病的影响也很大,因此有必要对这些患者进行管理,并及早诊断出可以用这些药物治疗的不同玻璃体视网膜疾病,从而确定亚马逊地区流行的主要病因,帮助预防这些疾病。
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引用次数: 0
Implementation of Targeted Axillary Node Assessment Following Neoadjuvant Therapy for Node-positive Breast Cancer Patients Improves Axillary Disease Detection 对结节阳性乳腺癌患者进行新辅助治疗后的腋窝结节定向评估可提高腋窝疾病检测率
Pub Date : 2024-03-08 DOI: 10.9734/jammr/2024/v36i45396
R. Soomro, A. Khokher, Sadaf Nasir
Background: Assessing the targeted node, a biopsy-proven metastatic node marked with a metallic clip before neoadjuvant chemotherapy along with sentinel node dissection improves the evaluation of pathological response in the axillary nodal basin after systemic treatment as compared to sentinel node dissection with dual tracer alone. Objectives: The objective was to investigate the rate of the clipped node being a sentinel node and the sensitivity of targeted node dissection in detecting residual disease. Methods: A prospective study of biopsy-confirmed breast axillary nodal metastases with a metallic clip placed before initiating systemic therapy. After the therapy, the clip node was identified by ultrasound-guided needle localization and sentinel node biopsy by the dual tracer. At least 3 or more nodes were sent for biopsy. Nodal metastasis was confirmed by frozen section biopsy and complete axillary dissection was done even if micro-metastatic disease was detected. Results: Of 120 patients enrolled in the study, 60(50%) patients had residual axillary nodal disease after neoadjuvant chemotherapy. Among 60 patients with positive residual disease clip node was positive for metastasis in all node-positive patients 60 (100%).  Among these 60 patients with residual disease in 42 (70%) cases clipped nodes and sentinel nodes were alike/same, whereas the remaining 18 (30%) patients with residual disease clipped nodes were not sentinel nodes. In the 10/18 case, the sentinel node was also positive on biopsy or complete axillary clearance but in 8/18(13%) nodes that were clipped but not sentinel nodes clip node was only positive node, but the sentinel node was negative on frozen well as on complete axillary clearance. This emphasizes the importance of clipped node removal/assessment after neoadjuvant surgery without which we can miss about 13% of positive axillary disease. Conclusion: Marking nodes (metallic clip) with biopsy-confirmed metastatic disease allows for selective removal and improves pathologic evaluation for the residual nodal disease after chemotherapy.
背景:在新辅助化疗前评估靶向结节,即用金属夹标记的活检证实的转移结节,同时进行前哨结节清扫,与单独使用双示踪剂进行前哨结节清扫相比,能更好地评估全身治疗后腋窝结节盆地的病理反应。研究目的目的是研究剪除的结节成为前哨结节的比率以及靶向结节清扫在检测残留疾病方面的敏感性。方法对经活检证实的乳腺腋窝结节转移瘤进行前瞻性研究,在开始全身治疗前放置金属夹。治疗后,在超声引导下进行针刺定位,并通过双示踪剂进行前哨节点活检,以确定夹子节点。至少有 3 个或更多的结节被送去活检。通过冰冻切片活检确认结节转移,即使发现微转移病灶,也要进行完整的腋窝清扫。研究结果在120名参与研究的患者中,有60名(50%)患者在接受新辅助化疗后有腋窝结节残留。在 60 名残留病灶阳性的患者中,有 60 名(100%)患者的夹层结节转移阳性。 在这 60 例残留疾病患者中,42 例(70%)患者的剪切结节和前哨结节相同,而其余 18 例(30%)残留疾病患者的剪切结节不是前哨结节。在 10/18 例患者中,前哨结节在活检或完全腋窝清扫时也呈阳性,但在 8/18(13%)例剪除结节但非前哨结节的患者中,剪除结节是唯一的阳性结节,但前哨结节在冷冻和完全腋窝清扫时均为阴性。这就强调了新辅助手术后切除/评估剪切结节的重要性,否则我们可能会漏掉约13%的阳性腋窝疾病。结论在活检证实有转移性疾病的结节上做标记(金属夹)可以有选择性地切除结节,并改善化疗后残留结节疾病的病理评估。
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引用次数: 0
Micro-shear Bond Strength of Self-Adhesive Versus Conventional Low-viscosity Composite Resins: In vitro Study 自粘性与传统低粘度复合树脂的微剪切粘接强度:体外研究
Pub Date : 2024-03-07 DOI: 10.9734/jammr/2024/v36i45395
Cassia Thaís Iurkiv Zanatta, Poliana Maria de Faveri Cardoso, Veridiana Camilotti, M. J. Mendonça, Júlio Katuhide Ueda
Aims: This study aimed to evaluate the micro-shear bond strength of a self-adhesive versus conventional low-viscosity composite resins adhered to enamel. Study Design: In vitro study. Place and Duration of Study: Dental Clinic of the Western State University of Paraná, between October 2022 and September 2023. Methodology: In this in vitro study, the crowns of ten bovine incisor teeth were separated from the roots and embedded in polyvinyl chloride cylinders with acrylic resin. The teeth were divided into two groups (n=5) according to the type of low-viscosity composite resin used on the enamel, resulting in a total of fifteen specimens: one group with self-adhesive composite resin and another with conventional composite resin. Specimens measuring 3 × 2 mm were prepared with low-viscosity composite resin and applied to the adhesive areas according to their respective groups. The micro-shear test was carried out after 7 days of immersion in distilled water in a universal mechanical testing machine with a 50 kg load cell. The statistical analysis in this study employed the Shapiro-Wilk test to assess data normality. Due to non-normal distribution, the non-parametric Mann-Whitney U test was utilized for group comparisons (p < 0.001). Supplementary analyses were performed using the Dwass-Steel-Critchlow-Fligner (DSCF) test for multiple comparisons (p < 0.001) to detect intergroup differences. Fractures were analyzed using a stereoscopic magnifying glass at 40x magnification. Results: The lowest micro-shear bond strength was observed in the self-adhesive composite resin group, while the highest was observed in the conventional composite resin group. On average, the micro-shear bond strength was higher for the conventional composite resin group compared to the self-adhesive composite resin group (p < 0.001). Most fractures in the conventional composite resin group were mixed, whereas in the Self-Adhesive composite resin group they were predominantly adhesive. Conclusion: Based on this study, it can be concluded that self-adhesive flowable composite resin exhibited lower enamel bond strength values compared to conventional flowable composite resin.
研究目的:本研究旨在评估自粘树脂与传统低粘度复合树脂粘附在牙釉质上的微剪切粘接强度。研究设计:体外研究。研究地点和时间:巴拉那西部州立大学牙科诊所,2022 年 10 月至 2023 年 9 月。研究方法在这项体外研究中,将 10 颗牛门牙的牙冠与牙根分离,并用丙烯酸树脂将其嵌入聚氯乙烯圆柱体中。根据在牙釉质上使用的低粘度复合树脂类型,将这些牙齿分为两组(n=5),共有 15 个试样:一组使用自粘复合树脂,另一组使用传统复合树脂。用低粘度复合树脂制备了 3 × 2 毫米的试样,并按照各自的组别涂抹在粘合区域。在蒸馏水中浸泡 7 天后,在带有 50 千克载荷传感器的通用机械试验机中进行微剪切试验。本研究的统计分析采用 Shapiro-Wilk 检验来评估数据的正态性。由于非正态分布,在进行组间比较时采用了非参数曼-惠特尼 U 检验(P < 0.001)。补充分析采用 Dwass-Steel-Critchlow-Fligner (DSCF) 检验进行多重比较(P < 0.001),以检测组间差异。使用放大 40 倍的立体放大镜分析骨折情况。结果自粘复合树脂组的微剪切粘接强度最低,而传统复合树脂组最高。平均而言,传统复合树脂组的微剪切粘接强度高于自粘复合树脂组(p < 0.001)。传统复合树脂组的大多数裂缝是混合性的,而自粘复合树脂组的裂缝主要是粘接性的。结论根据这项研究可以得出结论,与传统的可流动复合树脂相比,自粘性可流动复合树脂的牙釉质粘结强度值较低。
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引用次数: 0
Impact of Ring Implant Surgeries on the Corneal Transplant Queue at a Reference University Hospital in the State of Pará 帕拉州一家参考大学医院的角膜环植入手术对角膜移植排队的影响
Pub Date : 2024-03-05 DOI: 10.9734/jammr/2024/v36i45393
Glenda Figueira Guimarães, José Jesu Sisnando D'Araujo Filho, Raissa Tereza Casseb Oliveira, Evelly Christinne da Silva Moraes, Kelly Cristina Costa Guedes Nascimento, Ryan Jorge Amorim, Pedro Artur Solano Carvalho, Caio Cesar Rodrigues Chaves, Bruno Eduardo da silva Rodrigues, Daniele Salgado de Sousa, Vitor Hugo Auzier Lima
Keratoconus is a progressive non-inflammatory ectatic dystrophy, characterised by thinning and curving of the cornea, with central or paracentral conical protrusion, which occurs due to a biomechanical failure of the corneal stroma that is no longer able to resist the internal and external pressures exerted. The objective of the study was to analyse the positive impact of performing ring implant surgeries on patients on the corneal transplant waiting list, at the Bettina Ferro de Souza University Hospital (HUBFS), in 2023. Of the 87 intrastromal ring implants performed in 2023, 6 patients were excluded due to lack of complete data to carry out the evaluation of this work, using the total number of patients for this research 81 (100%). It was found that 89% of patients showed an improvement in corrected visual acuity after ring implantation, with approximately half reaching 100% of their visual range, providing a visual acuity of 1.0. This study showed that of the 14 patients enrolled for corneal transplantation with keratoconus who also had an indication for ring implantation, only 4 still required corneal transplantation after the procedure. In this sphere, it was evident that the patients had an improvement in visual acuity, symptoms and postponed or canceled the corneal transplant. However, more research is needed in this field, in order to obtain advances that make this procedure even safer, minimizing the risks inherent to its placement, with a view to improving the patient's quality of life.
角膜塑形镜是一种进行性非炎症性外生性营养不良,其特征是角膜变薄、弯曲,并伴有中央或中央旁圆锥状突起,其发生是由于角膜基质的生物力学功能失效,无法再抵抗内部和外部施加的压力。这项研究旨在分析贝蒂娜-费罗-德索萨大学医院(HUBFS)在2023年对角膜移植等待名单上的患者实施环形植入手术的积极影响。在 2023 年实施的 87 例基质内环植入手术中,有 6 例患者因缺乏完整数据而被排除在外,无法进行本项工作的评估,因此本研究的患者总数为 81 例(100%)。研究发现,89% 的患者在环植入术后矫正视力有所提高,其中约一半患者的视力达到 100%,视力为 1.0。这项研究显示,在 14 名角膜移植手术的患者中,只有 4 名患者在手术后仍需要进行角膜移植手术。在这一领域,患者的视力和症状明显改善,并推迟或取消了角膜移植手术。然而,在这一领域还需要进行更多的研究,以便取得进展,使这一手术更加安全,将植入手术的固有风险降至最低,从而提高患者的生活质量。
{"title":"Impact of Ring Implant Surgeries on the Corneal Transplant Queue at a Reference University Hospital in the State of Pará","authors":"Glenda Figueira Guimarães, José Jesu Sisnando D'Araujo Filho, Raissa Tereza Casseb Oliveira, Evelly Christinne da Silva Moraes, Kelly Cristina Costa Guedes Nascimento, Ryan Jorge Amorim, Pedro Artur Solano Carvalho, Caio Cesar Rodrigues Chaves, Bruno Eduardo da silva Rodrigues, Daniele Salgado de Sousa, Vitor Hugo Auzier Lima","doi":"10.9734/jammr/2024/v36i45393","DOIUrl":"https://doi.org/10.9734/jammr/2024/v36i45393","url":null,"abstract":"Keratoconus is a progressive non-inflammatory ectatic dystrophy, characterised by thinning and curving of the cornea, with central or paracentral conical protrusion, which occurs due to a biomechanical failure of the corneal stroma that is no longer able to resist the internal and external pressures exerted. The objective of the study was to analyse the positive impact of performing ring implant surgeries on patients on the corneal transplant waiting list, at the Bettina Ferro de Souza University Hospital (HUBFS), in 2023. Of the 87 intrastromal ring implants performed in 2023, 6 patients were excluded due to lack of complete data to carry out the evaluation of this work, using the total number of patients for this research 81 (100%). It was found that 89% of patients showed an improvement in corrected visual acuity after ring implantation, with approximately half reaching 100% of their visual range, providing a visual acuity of 1.0. This study showed that of the 14 patients enrolled for corneal transplantation with keratoconus who also had an indication for ring implantation, only 4 still required corneal transplantation after the procedure. In this sphere, it was evident that the patients had an improvement in visual acuity, symptoms and postponed or canceled the corneal transplant. However, more research is needed in this field, in order to obtain advances that make this procedure even safer, minimizing the risks inherent to its placement, with a view to improving the patient's quality of life.","PeriodicalId":14869,"journal":{"name":"Journal of Advances in Medicine and Medical Research","volume":"27 7","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140263612","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Observational Study on Patients Satisfaction during Epidural Anaesthesia, without Breakthrough Pain, in Patients Scheduled for Orthopaedic Surgery 关于计划接受骨科手术的患者在硬膜外麻醉期间对无突破性疼痛的满意度的观察研究
Pub Date : 2024-03-05 DOI: 10.9734/jammr/2024/v36i35389
J. M. Afolayan, Tokunbo Olajumoke, Babatunde Yusuf
Introduction: This study was undertaken to determine the level of patients’ satisfaction after epidural anaesthesia, without breakthrough pain, in patients scheduled for orthopaedic surgery. Epidural block is one of the regional anaesthesia that can be used in orthopeadic cases with prolonged duration of surgery. Aim and Objectives: To study the intraoperative pain outcome and patients’ satisfaction during epidural anaesthesia with top up doses without breakthrough pain. Methods: A prospective study of patients who underwent orthopaedic procedures under epidural block in the operating rooms of Ekiti State University Teaching Hospital, was carried out. Post-operatively, a proforma was filled for each of the participants to score their satisfaction on a Numerical Rating Scale regarding pain and discomfort during and after epidural anaesthesia and surgery. Other adverse reactions were documented. Patients’ satisfaction score was also documented. Results: A total of 103 patients, with age ranging from 25 to 60 years, were recruited. Majority (102/99%) of the patients had their data well documented while remaining (1/0.9%) patient was excluded from the study for poor documentation. In all, satisfaction with epidural anaesthesia administration was observed in (95/93.1%) whereas (7/6.9%) patients were dissatisfied. Factors associated with dissatisfaction were prolonged onset time (2/1.9%) patients. Breakthrough pain in (1/0.9%) patients. Post-operative nausea and vomiting (PONV) was observed in 1 (0.9%) patient. In addition, (92/90.2%) patients would opt for epidural anaesthesia in future for similar surgery, if situation demands for it, 10 (9.8%) patients would not.  Conclusion: The patients receiving epidural anaesthesia, without breakthrough pain, for orthopaedic surgery demonstrated a high rate of patients’ satisfaction.
简介本研究旨在确定计划进行骨科手术的患者在硬膜外麻醉后的满意度,以及患者对无突破性疼痛的满意度。硬膜外阻滞是可用于手术时间较长的骨科病例的区域麻醉之一。目的和目标:研究硬膜外麻醉时的术中疼痛结果和患者的满意度。方法:对接受硬膜外麻醉的患者进行前瞻性研究:对在埃基蒂州立大学教学医院手术室接受硬膜外阻滞骨科手术的患者进行前瞻性研究。术后,每位参与者都填写了一份表格,根据数字评分量表对硬膜外麻醉和手术期间及之后的疼痛和不适进行满意度评分。其他不良反应也记录在案。患者的满意度评分也被记录在案。结果共招募了 103 名患者,年龄从 25 岁到 60 岁不等。大部分患者(102/99%)的数据记录详实,其余患者(1/0.9%)因记录不全而被排除在研究之外。95/93.1%的患者对硬膜外麻醉管理表示满意,7/6.9%的患者表示不满意。与不满意相关的因素包括起效时间过长(2/1.9%)。1/0.9%的患者出现突破性疼痛。1(0.9%)名患者出现术后恶心和呕吐(PONV)。此外,如果情况需要,92/90.2% 的患者今后在进行类似手术时会选择硬膜外麻醉,10(9.8%)名患者不会选择硬膜外麻醉。 结论在骨科手术中接受硬膜外麻醉且无突破性疼痛的患者满意度较高。
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引用次数: 0
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Journal of Advances in Medicine and Medical Research
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