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Hipoxia modulates the secretion of growth factors in of human umbilical cord-derived mesenchymal stem cells 缺氧调节人脐带源性间充质干细胞生长因子的分泌
IF 1.7 Q2 MEDICINE, GENERAL & INTERNAL Pub Date : 2023-08-28 DOI: 10.37796/2211-8039.1416
Arfianti Arfianti, U. Ulfah, Leopold Sampetua Hutabarat, Agnes Ivana G, A. Budiarti, N. Sahara, Nicko Pisceski Kusika Saputra
Background : Mesenchymal stem cell (MSC) has great potential as therapies due its ability to regenerate tissue damage and promote tissue homeostasis. Preconditioning of MSC in low oxygen concentration has been shown to affect the therapeutic potential of these cells. This study aimed to compare the characteristic and secretion of trophic factors of MSCs cultured under hypoxia and normoxia. Methods : MSCs were isolated from Wharton ' s jelly of human umbilical cord (UC) tissue by explant method and characterized by fl ow cytometry. Following 24 h of CoCl 2 -induced hypoxic culture, the viability and metabolic activity of MSC were analyzed by trypan blue exclusion test and methyl thiazolyl tetrazolium (MTT) assay, respectively. The secretion of hepatocyte growth factor (HGF) and vascular endothelial growth factor (VEGF) was assessed in conditioned medium using enzyme-linked immunosorbent assay (ELISA) method. Results : Flow cytometry analysis showed > 99% of the population of MSCs cells were positive for CD73 and CD90 and > 62% were positive for CD105. While the cell viability of MSC was not affected by hypoxic cultured condition, the metabolic activity rate of these cells was decreased under hypoxic conditioning. In line with reduced metabolic activity, hypoxic human UC-derived MSC produced less HGF than normoxic counterpart. Compared to normoxic MSC, hypoxic preconditioned MSC secreted higher level of VEGF in the conditioned medium (p < 0.05). Conclusions : Hypoxia decreased the metabolic activity of MSCs associated with the modulation of HGF and VEGF secretions. It is suggested that hypoxia may also affect the therapeutic capacity of MSC cells.
背景:间充质干细胞(MSC)具有再生组织损伤和促进组织稳态的能力,具有巨大的治疗潜力。在低氧浓度下预处理间充质干细胞已被证明会影响这些细胞的治疗潜力。本研究旨在比较缺氧和常氧培养的间充质干细胞的特性和营养因子的分泌。方法:采用外植体法从人脐带沃顿氏胶中分离骨髓间充质干细胞,并用流式细胞术进行鉴定。在cocl2诱导的缺氧培养24 h后,分别用台盼蓝排斥试验和甲基噻唑四氮唑(MTT)试验分析MSC的活力和代谢活性。采用酶联免疫吸附法(ELISA)测定条件培养基中肝细胞生长因子(HGF)和血管内皮生长因子(VEGF)的分泌。结果:流式细胞术分析显示,>细胞群中CD73和CD90阳性占99%,>细胞群中CD105阳性占62%。缺氧培养不影响间充质干细胞的细胞活力,但降低了细胞的代谢活性。与代谢活性降低一致,缺氧的人uc来源的MSC产生的HGF少于正常缺氧的MSC。与常氧预处理的MSC相比,缺氧预处理的MSC在条件培养基中分泌更高水平的VEGF (p < 0.05)。结论:缺氧降低了MSCs的代谢活性,与HGF和VEGF分泌的调节有关。提示缺氧也可能影响间充质干细胞的治疗能力。
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引用次数: 0
Lipid profile in patients with leiomyoma-A case-control study 平滑肌瘤患者的脂质特征——病例对照研究
IF 1.7 Q2 MEDICINE, GENERAL & INTERNAL Pub Date : 2023-07-20 DOI: 10.51248/.v43i3.1443
Kishan Prasad H.L., Nimmy Maria Dasan, A. Kishan, S. Kumari N
Introduction and Aim:  The most frequent gynaecological neoplasm in women of reproductive age is leiomyoma (Fibroid). They are hormone-dependent tumours, and estrogen will promote their development. It has been found that estrogen levels and cholesterol levels are inversely associated.  Few studies have shown no relation between lipid profile and leiomyoma, but few studies suggested a positive correlation. The lipid profile of patients with uterine fibroids (the case group) and women without fibroids (the control group) is compared in the current study. Materials and Methods: The case-control study included fifty subjects between 20 to 40 years. Twenty-five serum samples collected from women without evidence of leiomyoma were considered the control group. Twenty-five cases were admitted with various symptoms, diagnosed and confirmed as leiomyoma on histopathology. Results: There was a substantial difference in Total Cholesterol (TC) and Low-Density Lipoprotein cholesterol (LDL-C) levels between patients with leiomyoma and healthy people.  With a p-value of 0.04, the TC, LDL-C level in leiomyoma patients was substantially lower than that of healthy individuals in the general population. The levels of triglycerides, High-Density Lipoprotein cholesterol (HDL-C), and Very Low-Density Lipoprotein cholesterol (VLDL-C) were comparable across the case and control groups, though. Conclusion: According to the study's findings, patients with leiomyoma have lower serum TC and LDL-C levels than healthy controls. This could be linked to patients with leiomyomas having higher estrogen levels. As a result, lipid profile variables like TC and LDL-C may be accurate indicators of leiomyoma. These findings point to the possibility of blood plasma lipid profiling for the non-invasive diagnosis of fibroids.
引言和目的:育龄妇女最常见的妇科肿瘤是平滑肌瘤(纤维瘤)。它们是激素依赖性肿瘤,雌激素会促进它们的发育。研究发现,雌激素水平和胆固醇水平呈负相关。很少有研究表明脂质分布与平滑肌瘤之间没有关系,但很少有研究显示两者呈正相关。本研究比较了子宫肌瘤患者(病例组)和无肌瘤女性(对照组)的脂质状况。材料和方法:病例对照研究包括50名20至40岁的受试者。从没有平滑肌瘤证据的女性身上采集的25份血清样本被视为对照组。25例患者因各种症状入院,经组织病理学诊断为平滑肌瘤。结果:平滑肌瘤患者和健康人的总胆固醇(TC)和低密度脂蛋白胆固醇(LDL-C)水平存在显著差异。平滑肌瘤患者的TC、LDL-C水平p值为0.04,显著低于普通人群中的健康个体。然而,病例组和对照组的甘油三酯、高密度脂蛋白胆固醇(HDL-C)和极低密度脂蛋白蛋白胆固醇(VLDL-C)水平具有可比性。结论:根据研究结果,平滑肌瘤患者的血清TC和LDL-C水平低于健康对照组。这可能与子宫肌瘤患者雌激素水平较高有关。因此,TC和LDL-C等脂质特征变量可能是平滑肌瘤的准确指标。这些发现指出了血浆脂质图谱用于纤维瘤非侵入性诊断的可能性。
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引用次数: 0
Hypervitaminosis D induced hypercalcemia leading to coma: A case report 维生素D过多症致高钙血症致昏迷1例
IF 1.7 Q2 MEDICINE, GENERAL & INTERNAL Pub Date : 2023-07-20 DOI: 10.51248/.v43i3.3192
Bimal K. Agrawal, Manu Mathew, S. Kalia, Aditi Tongar
An elderly female presented with abdominal pain, vomiting and easy fatigability. Her sensorium gradually declined and became comatose. She was on Methotrexate, folic acid and prednisolone for her rheumatoid arthritis. The neurological examination and neuroimaging did not contribute in making the diagnosis. It is challenging to diagnose a metabolic cause of coma. Once diagnosis is established, the management becomes easier. On detailed investigation, she was found to have severe hypercalcemia with corrected serum calcium level being 18.2 mg%. Serum vitamin D level was also high, 150 ng/ml. On probing for detailed history, it was revealed that she had been taking a weekly dose of 60,000 IU of vitamin D for nearly 5 years. In recent times, association of various diseases has been reported with vitamin D deficiency. Vitamin D supplementation seems justified in this patient considering her age and the fact that she had rheumatoid arthritis; she was also taking corticosteroid. The recommended dose of vitamin D has been 400–800 IU/day. However, it is often prescribed at a dose of 60,000 IU/week, and sometimes patients self-medicate. There are no guidelines available for prescribing vitamin D at such a strength. Though safety of vitamin D has been established, vitamin D toxicity can occur sporadically with serious consequences. This was managed with intravenous fluids and diuretics. The patient also required subcutaneous calcitonin and low dose of corticosteroid, in addition to a session of haemodialysis for her hypercalcemia. The patient’s sensorium gradually improved as her calcium level returned to normalcy.
一名老年女性出现腹痛、呕吐和易疲劳。她的感觉能力逐渐衰退并陷入昏迷。她正在服用甲氨蝶呤、叶酸和泼尼松治疗类风湿性关节炎。神经系统检查和神经影像学检查对诊断没有帮助。诊断昏迷的代谢原因很有挑战性。一旦诊断成立,管理就变得更容易了。经过详细调查,她被发现患有严重的高钙血症,校正后的血清钙水平为18.2mg%。血清维生素D水平也很高,为150 ng/ml。在详细的病史调查中,发现她已经每周服用60000国际单位的维生素D近5年了。近年来,维生素D缺乏症与各种疾病有关。考虑到她的年龄和患有类风湿性关节炎的事实,该患者补充维生素D似乎是合理的;她还服用了皮质类固醇。维生素D的推荐剂量为400–800 IU/天。然而,它的处方剂量通常为60000国际单位/周,有时患者会自行用药。目前还没有关于维生素D浓度的处方指南。尽管维生素D的安全性已经确定,但维生素D的毒性可能偶尔发生,并产生严重后果。这是通过静脉输液和利尿剂治疗的。患者还需要皮下降钙素和低剂量皮质类固醇,此外还需要进行血液透析以治疗高钙血症。患者的感觉随着钙水平恢复正常而逐渐改善。
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引用次数: 1
Assessment of the cognitive status of Covid -19 patients and its correlation to blood pressure 新冠肺炎患者认知状况评估及其与血压的关系
IF 1.7 Q2 MEDICINE, GENERAL & INTERNAL Pub Date : 2023-07-20 DOI: 10.51248/.v43i3.2264
Mamatha S.D., Priya S.A., S. L., Shivakumar K.M., Smitha Malenahalli Chandrashekarappa
Introduction and Aim: The disease caused by Corona virus (Covid-19) has become a public health importance in recent times as its human-to-human transmission is faster when compared to other pandemic of recent times. Since the outbreak of Covid-19, epidemiology and clinical characteristics of the disease including spread of the disease and mortality have been reported extensively. Little is known about Covid 19 impact on cognition; hence the present was undertaken. The study aimed at assessing the cognitive status in patients admitted for infection with corona and to determine the correlation between cognitive status and blood pressure in the same patients.   Materials and Methods: The study is a cross-sectional study that included 300 adults of both genders admitted in the tertiary care hospital with RTPCR positive for Covid-19. A cognition failure questionnaire was used to record the patient’s response and also BP was recorded.       Results: For analysis Descriptive statistics like mean and Standard Deviation, and to find association between parameters - Spearman correlation, Mann Whitney U Test were used. Analysis was done using SPSS version 22. Even though there was no significant association seen between Overall cognitive scores, forgetfulness scores, and false triggering scores with gender, there was significant association seen between overall cognitive scores and false triggering scores with age. Applying spearman correlation with respect to overall cognitive failure with duration of hospital stay showed statistically significance*(p<0.001) and between cognitive failure and diastolic blood pressure showed statistical significance with respect to overall cognition.   Conclusion: Infection with Covid-19 has an effect on cognition. Duration of hospital stay has an impact on cognition with associated blood pressure changes in the Covid-19 disease.
简介和目的:冠状病毒(新冠肺炎)引起的疾病近年来已成为公共卫生的重要因素,因为与近年来的其他大流行相比,其人与人之间的传播速度更快。自新冠肺炎爆发以来,该疾病的流行病学和临床特征,包括疾病的传播和死亡率,已被广泛报道。关于新冠肺炎19对认知的影响知之甚少;因此进行了目前的工作。这项研究旨在评估因感染电晕而入院的患者的认知状态,并确定这些患者的认知状况与血压之间的相关性。材料和方法:该研究是一项横断面研究,包括300名新冠肺炎RTPCR阳性的三级护理医院男女成年人。使用认知失败问卷记录患者的反应,并记录血压。结果:为了分析描述性统计数据,如平均值和标准差,以及寻找参数之间的关联——Spearman相关性,使用了Mann-Whitney U检验。使用SPSS版本22进行分析。尽管总体认知得分、健忘得分和假触发得分与性别之间没有显著关联,但总体认知得分和假引发得分与年龄之间存在显著关联。应用spearman相关性研究整体认知功能衰竭与住院时间之间的相关性具有统计学意义*(p<0.001),认知功能衰竭和舒张压之间的相关性研究总体认知功能具有统计学意义。结论:新冠肺炎感染对认知功能有影响。住院时间对新冠肺炎疾病相关血压变化的认知有影响。
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引用次数: 2
Glandular odontogenic cyst coexisting with actinomycosis: A rare case report 腺性牙源性囊肿并发放线菌病1例
IF 1.7 Q2 MEDICINE, GENERAL & INTERNAL Pub Date : 2023-07-20 DOI: 10.51248/.v43i3.2325
Priyanka Madhavan, Shruti D Nayak, S. Prabhu, M. Jose
Jaw lesions such as radicular cyst, odontogenic keratocyst, osteomyelitis associated with Actinomyces have been reported by many authors in the literature. Actinomycotic colonization in developmental cysts like GOC is extremely rare. So far in the literature search, the previous reports have not described actinomyces co-existing with GOC to our knowledge. Herein, we report a rare case report of GOC coexisting with actinomycotic colonies and pathogenesis of actinomycosis associated with odontogenic cyst.
许多作者在文献中报道了颌骨病变,如根性囊肿、牙源性角化囊肿、与放线菌相关的骨髓炎。像GOC这样的发育性囊肿的放线菌定植极为罕见。到目前为止,在文献检索中,据我们所知,以前的报道还没有描述放线菌与GOC共存。在此,我们报告了一例罕见的GOC与放线菌群共存的病例报告,以及与牙源性囊肿相关的放线菌病的发病机制。
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引用次数: 0
Sinonasal lesions – Case analysis at a tertiary care centre in coastal India 鼻腔病变——印度沿海一家三级护理中心的病例分析
IF 1.7 Q2 MEDICINE, GENERAL & INTERNAL Pub Date : 2023-07-20 DOI: 10.51248/.v43i3.2591
M. Khadilkar, Deviprasad Dosemane, U. Khadilkar
Introduction and Aim: The sinonasal region is affected by different types of neoplastic and non-neoplastic conditions. This study attempts to highlight our experience with these lesions and to categorize them. Methods: A retrospective study was conducted in our hospitals and data including history, clinical findings, and histopathological diagnosis was collected from medical records of 187 patients who visited the outpatient department with nasal, paranasal sinus or nasopharyngeal lesions from 2007 to 2020. Results: A total of 187 patients were included. The commonest site involved was the nasal cavity in 104 (55.61%) patients, followed by maxillary sinus in 26 (13.9%) patients and nasopharynx in 16 (8.56%) patients. The majority of the cases were benign tumours (41.71%), followed by malignancy (35.29%). Inverted papilloma was the commonest benign tumour (13.9%); squamous cell carcinoma was the most frequent type of malignancy (12.3%). Conclusion: The overlapping features of nasal masses make diagnosis a challenge, the role of histopathology is indispensable. Early diagnosis and treatment are essential for better clinical management, which will ultimately enhance healthcare.
简介与目的:鼻窦区受不同类型的肿瘤和非肿瘤条件的影响。本研究试图强调我们对这些病变的经验,并对它们进行分类。方法:对我院2007 - 2020年收治的187例鼻、副鼻窦或鼻咽部病变患者的病史、临床表现、组织病理学诊断等资料进行回顾性分析。结果:共纳入187例患者。最常见的受累部位为鼻腔104例(55.61%),其次为上颌窦26例(13.9%),鼻咽部16例(8.56%)。以良性肿瘤居多(41.71%),其次为恶性肿瘤(35.29%)。内翻性乳头状瘤是最常见的良性肿瘤(13.9%);鳞状细胞癌是最常见的恶性肿瘤类型(12.3%)。结论:鼻肿块的重叠特征给诊断带来了挑战,组织病理学的作用不可或缺。早期诊断和治疗对于更好的临床管理至关重要,这将最终提高医疗保健水平。
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引用次数: 0
Pharmacological evaluation for haematinic activity of Siddha formulation Lavana Dravagam in rat model Siddha制剂Lavana Dravagam在大鼠模型中的药理活性评价
IF 1.7 Q2 MEDICINE, GENERAL & INTERNAL Pub Date : 2023-07-20 DOI: 10.51248/.v43i3.2135
Jeeva S., Kesavarajan S., M. A, S. S, Meenakaumari R., R. Sudalaimani
Introduction and Aim:  Anaemia is the most common deficiency disorder among people of all age groups, known as Paandu in the Siddha system of medicine. The test drug siddha poly mineral formulation Lavana Dravagam mentioned in Siddha literature kannukamiyam ennum vaithiya segaram, has been used for pandu (anaemia). Dravagam is a form of internal medicine, processed by distillation method and is also referred as Pugai neer, Shakthi neer, Dravaga neer. The study aimed to evaluate the haematinic activity and efficacy of poly mineral Siddha formulation Lavana Dravagam against phenylhydrazine induced anaemic albino Wistar rat model. Materials and Methods:  The animals were selected and divided into four groups (I, II, III, and IV) of six rats (n=6) each. Anaemia was induced by an oral administration of phenylhydrazine (single dose of 10 mg/kg per oral for 8 days). Group I served as normal control and Group II received standard drug hematinic syrup in suspension form at dose 2 mL/kg. Groups III, IV received the formulated oral indiffusible mixture of Lavana Dravagam at a dose of 0.02ml to 0.03ml/kg respectively. RBC, Hb, PCV, MCV, MCH, were analyzed as indices of anaemia. The mean corpuscular volume, mean corpuscular Hb, and mean corpuscular Hb concentration were calculated. Results: From the literature evidence, acute toxicity evaluation and pharmacological studies, the drug Lavana Dravagam is found out to have hematinic activity. This study reveals that there is significant (P<0.05) increase in RBC count, Hb level, and PCV by administering phenylhydrazine within one week of treatment. Conclusion: It could be concluded that the drug Lavana dravagam will have promising effects in the management of anaemia (Paandu).
引言和目的:贫血是所有年龄段人群中最常见的缺陷性疾病,在悉达医学体系中被称为Paandu。siddha文献kannukamiyam ennum vaithiya segaram中提到的试验药物siddha多矿物制剂Lavana Dravagam已用于治疗贫血。Dravagam是一种通过蒸馏法加工的内科药物,也被称为Pugai neer、Shakthi neer、Dravaga neer。本研究旨在评估多矿物Siddha制剂Lavana Dravagam对苯肼诱导的贫血白化Wistar大鼠模型的血液活性和疗效。材料和方法:将动物分为四组(I、II、III和IV),每组6只大鼠(n=6)。通过口服苯肼(每次口服10mg/kg的单次剂量,持续8天)诱导贫血。第一组作为正常对照,第二组以2mL/kg的剂量接受悬浮液形式的标准药物血红素糖浆。第III组、第IV组分别以0.02毫升至0.03毫升/公斤的剂量接受Lavana Dravagam的配方口服独立混合物。红细胞、血红蛋白、PCV、MCV、MCH作为贫血指标进行分析。计算平均红细胞体积、平均红细胞血红蛋白和平均红细胞Hb浓度。结果:从文献资料、急性毒性评价和药理研究等方面证实,该药具有止血活性。本研究表明,在治疗一周内给予苯肼后,红细胞计数、Hb水平和PCV显著增加(P<0.05)。结论:本品治疗贫血(Paandu)效果良好。
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引用次数: 0
Blue-light emitting diode exposure effect on alkaline phosphatase levels post-orthodontic stabilization in rats 蓝光二极管照射对正畸稳定后大鼠碱性磷酸酶水平的影响
IF 1.7 Q2 MEDICINE, GENERAL & INTERNAL Pub Date : 2023-07-20 DOI: 10.51248/.v43i3.2080
Adelia Ratnadita, Christnawati, Pinandi Sri Pudyani
Introduction and Aim: Exposure to blue light-emitting diode (blue-LED) during the stabilization period can prevent relapse by increasing the tension side osteoblast, which is characterized by increased levels of alkaline phosphatase (ALP) in the gingival crevicular fluid (GCF). Increasing ALP levels occurred from day 7 with the highest peak on day 14 post-stabilization. The purpose of this research was to analyze the effect of blue-LED exposure during the stabilization period on ALP levels in the tension side GCF of Wistar rats (Rattus norvegicus) at days 0, 3, 7, and 14 post-stabilizations. Materials and Methods: Ten male Wistar rats aged 2.5-3 months, weighing 200-250 grams were divided into two groups (control and LED group). An orthodontic force of 35 grams was applied to the mandibular inter incisors of Wistar rats using an open coil spring. Blue-LED (490 nm wavelength, 1000 mW/cm² light intensity) exposure for 30 seconds once a day during a 7-day stabilization period. Gingival crevicular fluid was taken with paper points on days 0, 3, 7, and 14 post-stabilizations for ALP levels measurement using an ELISA method. Two-way ANOVA and Post Hoc LSD statistical tests were performed. Results: The results showed LED group ALP levels were higher than the control group. There has been a significant increase in ALP levels on days 7 and 14 in the control and LED groups. Conclusion: It was concluded that blue-LED exposure increased tension side ALP levels. Increasing ALP levels occurred from day 7 with the highest peak level on day 14. Blue-LED exposure in the stabilization period is a favorable therapeutic option to accelerate alveolar bone formation due to being non-invasive, easy to apply clinically, and low cost.
简介与目的:在稳定期暴露于蓝色发光二极管(blue- led)可通过增加紧张侧成骨细胞来预防复发,其特征是牙龈沟液(GCF)中碱性磷酸酶(ALP)水平升高。ALP水平从第7天开始升高,稳定后第14天达到峰值。本研究的目的是分析稳定期蓝光led照射对褐家鼠(Rattus norvegicus)紧张侧GCF中ALP水平在稳定后第0、3、7和14天的影响。材料与方法:选取2.5 ~ 3月龄、体重200 ~ 250 g的雄性Wistar大鼠10只,分为对照组和LED组。采用开式螺旋弹簧对Wistar大鼠下颌骨内门牙施加35克正畸力。蓝led (490 nm波长,1000 mW/cm²光强度)曝光30秒,每天一次,为期7天的稳定期。在稳定后的第0、3、7和14天,用纸点取龈沟液,用ELISA法测定ALP水平。进行双因素方差分析和事后LSD统计检验。结果:结果显示LED组ALP水平高于对照组。对照组和LED组在第7天和第14天ALP水平显著升高。结论:蓝光led暴露可增加紧张侧ALP水平。ALP水平从第7天开始升高,第14天达到峰值。由于无创、临床应用方便、成本低,在稳定期暴露蓝光是一种促进牙槽骨形成的良好治疗选择。
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引用次数: 0
The digital era in dentistry: A review 牙科的数字时代:综述
IF 1.7 Q2 MEDICINE, GENERAL & INTERNAL Pub Date : 2023-07-20 DOI: 10.51248/.v43i3.2865
Rishika Dhimole, Mithilesh M. Dhamande, Seema R. Kambala, Prinyanka Paul Madhu
In dentistry precisely recording the soft tissue details and adjacent tooth morphology is a critical process. It is quite challenging for the dentist since the oral hard and soft tissue structures show great variations in every patient. Conventional impression materials such as agar, alginate and elastomeric impression materials are used but these impression materials require patient’s cooperation during impression taking. These impression materials sometimes cause gagging, irritation and unpleasant taste and smell to the patient. To overcome these drawbacks digital impression and digital scanners are encouraging innovations. They increase the patient’s comfort and aids in the accuracy in recording tissue details. The development of new technology in the medical and dental fields is leading to advancements that enable physicians to create treatments and materials that can enhance patients' quality of life. Different IOSs have adopted varied scanning methodologies, which could result in different scanning accuracies. This was done to compare the accuracy of several IOSs and the effects of different variables on the accuracy result. Using 3D scanning technologies, a physical model which is digital three-dimensional computer-aided design (CAD) is transformed. For the design and production of specific parts using additive manufacturing (AM) technologies, this digital output offers several advantages. It is crucial to evaluate the dentistry industry's present level of 3D scanning technology utilization.
在牙科中,精确记录软组织细节和邻近牙齿形态是一个关键过程。由于每个患者的口腔软组织和硬组织结构都有很大的差异,这对牙医来说是相当具有挑战性的。传统的印模材料如琼脂、海藻酸盐和弹性印模材料被使用,但这些印模材料在印模过程中需要患者的配合。这些印模材料有时会引起病人的呕吐、刺激和不愉快的味道和气味。为了克服这些缺点,数字印模和数字扫描仪正在鼓励创新。它们增加了患者的舒适度,并有助于记录组织细节的准确性。医学和牙科领域新技术的发展正在带来进步,使医生能够创造出能够提高患者生活质量的治疗方法和材料。不同的iss采用不同的扫描方法,这可能导致不同的扫描精度。这样做是为了比较几种IOSs的精度和不同变量对精度结果的影响。利用三维扫描技术,将物理模型转化为数字三维计算机辅助设计(CAD)。对于使用增材制造(AM)技术设计和生产特定部件,这种数字输出提供了几个优势。评估牙科行业目前的3D扫描技术利用水平是至关重要的。
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引用次数: 0
A randomised phase II trial of intra-dermal G-CSF infiltration in radiation induced skin reactions 辐射诱发皮肤反应中皮内G-CSF浸润的随机II期试验
IF 1.7 Q2 MEDICINE, GENERAL & INTERNAL Pub Date : 2023-07-20 DOI: 10.51248/.v43i3.736
Sumana Maiti Das, A. Bose, Suparna Kanti Pal, Suman Meyur, Siddhartha Das, Aloke Ghosh Dastidar
Introduction and Aim: Radiation induced skin reactions (RISR) often delays the treatment affecting compliance and outcomes. Granulocyte colony stimulating factor (G-CSF) is known to recruit dermo-genic stem cells and help in healing. Very few studies are there to evaluate its potential in this regard. This study evaluates intradermal infiltration of G-CSF for its effectiveness, effect on treatment delay and quality of life in comparison to conventional treatment for grade 3/4 RISR. Materials and Methods: Patients experiencing advanced RISR due to any regimen of external beam radiation above 50 Gy of 2 Gy equivalent doses were randomized to undergo treatment either with intradermal G-CSF infiltration at margin and bases of lesion along with conventional therapies or with only conventional anti-inflammatory/ antibiotic therapy. The experimental arm and the control arm had 62 and 60 patients respectively analyzed for time taken for re-epithelization and treatment delay. Also.pre and two weeks post-treatment global quality of life and pain scores were taken for qualitative comparison between the arms. Results: G-CSF arm took a mean 5.2 (95percent CI=4.4-5.7) days, significantly less than conventional treatment arm (Mean=7.5 days, 95percent CI= 6.8-8.1,p=0.002) for re-epithelization. Grade of toxicity adjusted hazard ratio of non-resolution in 10 days  time was 2.98 for the control arm over the experimental arm(p=.046). Treatment gap was significantly less in the G-CSF arm (48.4 percent vs 68.3percent, p=0.026), with average delay of treatment being significantly reduced (p 0.001). A ten-day delay adjusted survival was significantly better in the experimental arm (Mantel-Cox Log rank test, X2=12.26, p 0.001). Conclusion: Intradermal perilesional G-CSF infiltration for advanced RISR hastens wound healing compared to conventional treatment and significantly reduces the chances of treatment delay.
引言和目的:辐射诱导的皮肤反应(RISR)通常会延迟治疗,影响依从性和结果。众所周知,粒细胞集落刺激因子(G-CSF)可以募集成皮干细胞并帮助愈合。很少有研究评估其在这方面的潜力。与传统治疗3/4级RISR相比,本研究评估了G-CSF的皮内浸润的有效性、对治疗延迟和生活质量的影响。材料和方法:因2 Gy当量剂量的50 Gy以上的任何外照射方案而经历晚期RISR的患者被随机接受治疗,要么在病变边缘和基底进行皮内G-CSF浸润,要么接受常规治疗,要么只接受常规抗炎/抗生素治疗。实验组和对照组分别有62名和60名患者分析了再上皮化和治疗延迟所需的时间。Also.在治疗前和治疗后两周,对各组的整体生活质量和疼痛评分进行定性比较。结果:G-CSF组再上皮化平均耗时5.2天(95%可信区间4.4-5.7),明显少于常规治疗组(平均7.5天,95%可信区间6.8-8.1,p=0.002)。对照组与实验组相比,10天内未消退的毒性调整危险比为2.98(p=0.046)。G-CSF组的治疗差距显著较小(48.4%对68.3%,p=0.026),平均治疗延迟显著减少(p 0.001)。实验组10天延迟调整后的生存率显著提高(Mantel-Cox-Log秩检验,X2=12.26,p 0.001)。
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BioMedicine-Taiwan
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