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The Issue of Embryo Implantation in Women during the Coronavirus Outbreak: An Overview: 冠状病毒爆发期间女性胚胎植入问题综述
Pub Date : 2021-08-13 DOI: 10.22037/NBM.V9I3.33988
D. Rezaee, Hanieh Rezaee, S. Bastaminejad, Y. Bahrami, M. Salehi
Abstract The Coronavirus is a major health problem nowadays, which affects people's lifestyle. This pandemic virus shared a variety of phenomena in case of symptoms and side effects. One of the major issues regarding novel coronavirus is the effect of infection on pregnancy which accounts for an essential process of human life. Considering the pathogenesis of Coronavirus, overexpression of inflammatory cells and cytokines accounts a pivotal step in the development of symptoms. The over-expressed cytokines in response to covid-19 infection would render the inflammation and disruption of the immune system and tissue damage. Like coronavirus infection, implantation the main step of a successful pregnancy, activates the inflammatory cells and cytokines. The association of infection with pregnancy raises the concern about the effect of covid-19 on embryos and giving normal birth, especially in women who decide to get pregnant or are in the pregnancy period. The current review focused on immune system responses to the Coronavirus and comparison with immune system activation during implantation. It concluded that further laboratory research and studies are needed to better understand and draw general conclusions about the role of the virus in embryo implantation.
摘要新型冠状病毒是当今影响人们生活方式的重大健康问题。这种大流行病毒在症状和副作用方面具有多种现象。关于新型冠状病毒的一个主要问题是感染对怀孕的影响,怀孕是人类生命的一个重要过程。考虑到冠状病毒的发病机制,炎症细胞和细胞因子的过度表达是症状发展的关键步骤。对covid-19感染的过度表达的细胞因子会导致免疫系统的炎症和破坏以及组织损伤。像冠状病毒感染一样,植入是成功怀孕的主要步骤,激活炎症细胞和细胞因子。感染与怀孕之间的关联引发了人们对covid-19对胚胎和正常分娩的影响的担忧,特别是对决定怀孕或处于怀孕期的妇女。目前的综述主要集中在免疫系统对冠状病毒的反应以及与植入期间免疫系统激活的比较。它的结论是,需要进一步的实验室研究和研究,以更好地了解病毒在胚胎植入中的作用并得出一般性结论。
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引用次数: 0
Severe Parametritis after Vaginal Delivery with Delayed Response to Broad Spectrum Antibiotics: A Case Report 阴道分娩后严重参数炎伴广谱抗生素延迟反应:1例报告
Pub Date : 2021-08-13 DOI: 10.22037/NBM.V9I3.33584
L. Eslamian, Maasoumeh Saleh, B. Nouri
Background: Postpartum infections, also known as puerperal fever, are bacterial infections of the female reproductive tract following childbirth or miscarriage. Symptoms usually include a fever greater than 38.0°C (100.4°F), chills, lower abdominal pain, and possibly bad-smelling vaginal discharge. It usually occurs after the first 24 hours and within the first ten days following delivery, but life-threatening infection may occur within hours of delivery. Cases Report: We reported a case of severe parametritis in the first 24 hours of delivery. Cesarean section is a risk factor for postpartum infections, and response to treatment is lower than vaginal delivery. Our case was a severe pelvic infection after vaginal delivery, and its risk factor was prolonged rupture of the membrane. Therefore, rapid diagnosis and treatment are necessary to prevent abscess formation and sepsis. Conclusion: In this case, rapid treatment with broad-spectrum antibiotics prevented abscess formation, sepsis, and hysterectomy.
背景:产后感染,也称为产褥热,是分娩或流产后女性生殖道的细菌感染。症状通常包括发烧超过38.0°C(100.4°F),发冷,下腹部疼痛,可能还有难闻的阴道分泌物。它通常发生在分娩后24小时和10天内,但威胁生命的感染也可能在分娩后数小时内发生。病例报告:我们报告了一例严重参数炎在分娩的头24小时。剖宫产是产后感染的危险因素,对治疗的反应低于阴道分娩。我们的病例是阴道分娩后严重的盆腔感染,其危险因素是长时间的膜破裂。因此,快速诊断和治疗对于预防脓肿形成和败血症是必要的。结论:在本病例中,快速应用广谱抗生素治疗可预防脓肿形成、脓毒症和子宫切除术。
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引用次数: 0
Investigating the Facilitating Factors of Drug Use Based on Personality and Ethnic Characteristics of Guilan Province 基于桂兰人人格与民族特征的吸毒影响因素调查
Pub Date : 2021-08-13 DOI: 10.22037/NBM.V9I3.27745
A. Borjali, H. Eskandari, Faramarz Sohrabi Asmroud, Yahya Mohajer, Davood namazi
Abstract Background: Identifying ethnic and personality facilitation factors in drug use help to better diagnose and treat addiction identifying facilitation factors. It provides timely counseling, and psychological services can be partially preventable for addicts. This study aimed to investigate factors facilitating drug use based on ethnic and personality characteristics of Guilan province using the Cloninger personality system. Materials and Methods: The study population consisted of four subcultures of Guilak, Talesh (Turk), Kord and others called Fars. The sampling method in this study was a mixed-method; the sample size was at least 200 people. The present study used data in the field section of Cloninger's personality and character questionnaire to determine personality components and their relationship. They were used with current norms. This study used in-depth interviews, observation and review of documents (questionnaires) and conventional oral literature on drug use. Results: This study showed that between ethnic facilitation factors (drug and drug counseling, folk beliefs in oral literature, and beliefs about rituals and companionship) and personality traits (nature and character), except the avoidance factor at the significant level of 0.01, there was a significant and positive relationship. Variables of personality traits/"nature and character" and components of perseverance, novelty, reward-dependence, self-direction, cooperation can predict common beliefs in the propensity to medication and therapy. The personality facilitator variable of "nature and character" and all its components, except for themselves, was able to predict the popular beliefs existing in oral literature. The personality facilitator variable of "nature and character" and the components of novelty, reward-dependence, and cooperation could predict common beliefs about rituals and companionship. Conclusion: Research showed a significant relationship between ethnicity and propensity for drug and drug counseling, popular beliefs in oral literature, and celebration and celebration beliefs.
背景:识别药物使用中的民族和人格促进因素有助于更好地诊断和治疗成瘾。它提供及时的咨询,对成瘾者的心理服务是可以部分预防的。本研究旨在运用Cloninger人格系统,基于桂兰民族及人格特征,探讨促进吸毒的因素。材料与方法:研究人群包括Guilak、Talesh(土耳其)、Kord和Fars等4个亚文化群。本研究采用混合抽样方法;样本量至少为200人。本研究采用Cloninger人格与性格问卷的田野部分数据来确定人格成分及其相互关系。它们是按照现行标准使用的。本研究采用深度访谈、观察和回顾文献(问卷调查)和传统的药物使用口头文献。结果:本研究显示,民族促进因素(毒品与毒品咨询、口头文学民间信仰、仪式与陪伴信仰)与人格特质(自然与性格)之间除回避因素在0.01的显著水平上存在显著正相关外,其余均存在显著正相关。人格特征变量/“本性与性格”和毅力、新颖性、奖励依赖、自我指导、合作成分可以预测药物和治疗倾向的共同信念。人格促进变量“自然与性格”及其除自身外的所有成分都能够预测口头文学中存在的流行信念。人格促进变量“本性和性格”以及新颖性、奖励依赖和合作成分可以预测对仪式和友谊的共同信念。结论:研究表明,民族与吸毒倾向、吸毒咨询、口头文学中的流行信仰、庆祝和庆祝信仰之间存在显著的关系。
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引用次数: 0
Unusual Airway Obstruction during General Anesthesia following Endotracheal Tube Cuff Herniation; A Case Report 气管插管袖口疝术后全身麻醉异常气道阻塞病例报告
Pub Date : 2021-08-13 DOI: 10.22037/NBM.V9I3.33789
Houman Teymourian, Firooz Maddadi, S. Khorasanizadeh, Atieh Tizghadam, Hamidreza Azizi Faresani, F. Behnaz, Masih Ebrahimi Dehkordi
Abstract Background: Airway management is always of great concern for anesthesiologists especially in the prone position. Utilizing an Armored endotracheal tube is considered to be safe in such patients. Cases Report: In this current case, we introduce a patient undergoing a wake-up test during spinal surgery who suffered from hypoventilation at the end of surgery. His condition improved only after extubation. After extubation, we confronted a herniated cuff that was not deflated, although we tried twice. We concluded that the patient's respiratory effort against obstructed airway produced a negative pressure, which made the cuff herniated, resulting in airway obstruction. Moreover, the patient biting the tube during the wake-up test damaged the tube and cuff deflation pathway. Conclusion: It is important to consider cuff herniation as a cause of obstruction when other possible etiologies are ruled out.
背景:气道管理一直是麻醉医师非常关注的问题,尤其是俯卧位麻醉医师。在这类患者中使用装甲气管内管被认为是安全的。病例报告:在本病例中,我们介绍了一位在脊柱手术期间接受唤醒试验的患者,他在手术结束时出现了低通气。拔管后病情才有所好转。拔管后,我们遇到了一个疝出的袖带,但没有放气,尽管我们尝试了两次。我们的结论是,患者对气道阻塞的呼吸力产生负压,使袖带突出,导致气道阻塞。此外,患者在唤醒试验中咬管破坏了管和袖带的放气通路。结论:当排除其他可能的病因时,将袖带疝视为梗阻的原因是很重要的。
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引用次数: 0
Efficient of Toll‐Like Receptor 4 Knockout in Mouse Zygotes by CRISPER/Cas9: CRISPER/Cas9技术敲除小鼠受精卵Toll样受体4的有效性
Pub Date : 2021-08-13 DOI: 10.22037/NBM.V9I3.32155
D. Rezaee, S. Hosseini, V. Jajarmi, M. Salehi
Abstract Background: Transgenic animals are genetically modified animals to create a specific trait that imitates an indication of pathogenesis in humans. Toll-like receptors (TLRs) are implicated in immune regulation of the female reproductive tract and, subsequently, infertility rate. This study produced Toll-like receptor 4 (Tlr4) knockout blastocysts with single-guide RNA targeting for Tlr4 by CRISPER/Cas9 technique. Materials and Methods: Web CRISPER design tools designed single-guide RNAs (sgRNAs) targeting Tlr4 gene were designed by web CRISPER design tools. Then, two strands of sgRNAs were cloned into a linearized vector for producing a gRNA-expressing eCAS9-GFP vector. The vector was then injected into the male pronucleus in the fertilized oocytes in vitro fertilization (IVF) and do polymerase chain reaction (PCR) and sequencing. Results: Gene deletion with acceptable efficiency (38%, p<0.05) successfully was confirmed by sequencing and PCR analysis. Conclusion: Our result showed that the CRISPER/Cas9 technique is an effective knockout method in mouse zygotes, potentially producing disease animal models.
摘要背景:转基因动物是一种转基因动物,可以产生一种模仿人类发病指示的特定性状。toll样受体(TLRs)参与女性生殖道的免疫调节,进而影响不孕率。本研究利用CRISPER/Cas9技术制备toll样受体4 (Tlr4)敲除胚泡,单导RNA靶向Tlr4。材料与方法:利用Web CRISPER设计工具设计靶向Tlr4基因的单导rna (single-guide rna, sgRNAs)。然后,将两条sgrna链克隆到一个线性化的载体中,以产生表达grna的eCAS9-GFP载体。然后将该载体注射到受精卵的雄性原核中进行体外受精(IVF),并进行聚合酶链反应(PCR)和测序。结果:经测序和PCR分析,基因缺失率为38%,p<0.05。结论:我们的结果表明CRISPER/Cas9技术是一种有效的敲除小鼠受精卵的方法,有可能产生疾病动物模型。
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引用次数: 1
Positive Result for SARS-CoV-2 RNA Test after a Long Time for the Patient with COVID-19 even after Discharge from the Hospital COVID-19患者出院后长时间SARS-CoV-2 RNA检测呈阳性
Pub Date : 2021-08-13 DOI: 10.22037/NBM.V9I3.35376
M. Fazeli, Saman Pazira, Behzad Pourhossein, A. Rasooli, N. Ansari, F. Jalilian
Background: Ruthin's coronavirus disease 2019 (COVID-19) diagnosis is based on the positive result of real-time polymerase chain reaction (PCR) from the nasal and oropharyngeal swab. However, chest CT scans can play an important role in diagnosing patients with COVID-19. Cases Report: In this study, we reported a 44 years old female with a mild form of the COVID-19 who showed a positive result for the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RNA for 44 days after symptom onset. The suspected case was detected using real-time PCR. After two weeks of hospitalization, the patient was discharged, but her molecular tests were performed twice after one month and 44 days, and they remained positive for SARS-CoV-2 RNA. Conclusion: In theory, if the patient becomes re-infected or the virus reacts, these individuals may serve as a transmission source. So far, the only way to screen for possible reinfection has been by using PCR on separate specimens.
背景:Ruthin's冠状病毒病2019 (COVID-19)的诊断基于鼻口咽拭子实时聚合酶链反应(PCR)阳性结果。然而,胸部CT扫描可以在诊断COVID-19患者方面发挥重要作用。病例报告:在本研究中,我们报告了一名患有轻度COVID-19的44岁女性,在症状出现44天后,她的严重急性呼吸综合征冠状病毒2 (SARS-CoV-2) RNA检测结果呈阳性。实时荧光定量PCR检测疑似病例。住院两周后,患者出院,但在1个月零44天后,她进行了两次分子检测,结果仍为SARS-CoV-2 RNA阳性。结论:理论上,如果患者再次感染或病毒发生反应,这些个体可能成为传播源。到目前为止,筛选可能的再感染的唯一方法是对单独的标本使用PCR。
{"title":"Positive Result for SARS-CoV-2 RNA Test after a Long Time for the Patient with COVID-19 even after Discharge from the Hospital","authors":"M. Fazeli, Saman Pazira, Behzad Pourhossein, A. Rasooli, N. Ansari, F. Jalilian","doi":"10.22037/NBM.V9I3.35376","DOIUrl":"https://doi.org/10.22037/NBM.V9I3.35376","url":null,"abstract":"Background: Ruthin's coronavirus disease 2019 (COVID-19) diagnosis is based on the positive result of real-time polymerase chain reaction (PCR) from the nasal and oropharyngeal swab. However, chest CT scans can play an important role in diagnosing patients with COVID-19. \u0000Cases Report: In this study, we reported a 44 years old female with a mild form of the COVID-19 who showed a positive result for the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RNA for 44 days after symptom onset. The suspected case was detected using real-time PCR. After two weeks of hospitalization, the patient was discharged, but her molecular tests were performed twice after one month and 44 days, and they remained positive for SARS-CoV-2 RNA. \u0000Conclusion: In theory, if the patient becomes re-infected or the virus reacts, these individuals may serve as a transmission source. So far, the only way to screen for possible reinfection has been by using PCR on separate specimens.","PeriodicalId":19372,"journal":{"name":"Novelty in Biomedicine","volume":"200 1","pages":"152-155"},"PeriodicalIF":0.0,"publicationDate":"2021-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75914783","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
COVID-19 infection control parameters in Iran: an epidemiological modeling : 伊朗COVID-19感染控制参数:流行病学模型
Pub Date : 2021-08-13 DOI: 10.22037/NBM.V9I3.34051
Kourosh Eftekharian, H. Ardebili, Sepehr Eftekharian, A. Eftekharian
Abstract Background: We aimed to evaluate Iran's current COVID-19 infection, emphasizing the number of infection detection and the disease's reproductive number in its high peak in November and after the lockdown in December. Materials and Methods: Using the Johns Hopkins Bloomberg School of Public Health Contact Tracing Evaluation and Strategic Support Application, we used the average weekly new cases and average case mortality in November and December 2020. The average case isolation and identification time (25%, Four days) and the average case contact within the household and community were entered into the application. We examined Two modeling systems with 50% and 70% case isolation for the November period as alternative scenarios for the current infection control rate. Results: Our modeling showed only 11% and 30% of the infections were detected in November and December. The disease's reproductive number is similar to the natural reproductive number of the disease (2-3) in November. The two models used to increase the rate of case isolation to 50% and 70% did not significantly change the reproductive number. Conclusion: The priority in Iran for COVID-19 infection control should be a dramatic increase in the number of testing to achieve the correct number of case detection and fulfill the contact tracing criteria to reduce the disease spread.
摘要背景:本研究旨在评估伊朗目前的COVID-19感染情况,重点关注11月感染高峰和12月封锁后的感染检测数量和疾病繁殖数量。材料与方法:使用约翰霍普金斯大学彭博公共卫生学院接触者追踪评估和战略支持应用程序,使用2020年11月和12月的平均每周新发病例和平均病例死亡率。应用程序输入了病例隔离和识别的平均时间(25%,4天)以及家庭和社区内病例的平均接触者。我们研究了11月期间50%和70%病例隔离的两种建模系统,作为当前感染控制率的替代方案。结果:我们的模型显示,只有11%和30%的感染是在11月和12月检测到的。该疾病在11月的繁殖数与该疾病的自然繁殖数(2-3)相似。将病例隔离率提高到50%和70%的两种模型对繁殖数没有显著影响。结论:伊朗COVID-19感染控制的重点应是大幅增加检测数量,以实现正确的病例发现数量和满足接触者追踪标准,以减少疾病传播。
{"title":"COVID-19 infection control parameters in Iran: an epidemiological modeling :","authors":"Kourosh Eftekharian, H. Ardebili, Sepehr Eftekharian, A. Eftekharian","doi":"10.22037/NBM.V9I3.34051","DOIUrl":"https://doi.org/10.22037/NBM.V9I3.34051","url":null,"abstract":"Abstract \u0000Background: We aimed to evaluate Iran's current COVID-19 infection, emphasizing the number of infection detection and the disease's reproductive number in its high peak in November and after the lockdown in December. \u0000Materials and Methods: Using the Johns Hopkins Bloomberg School of Public Health Contact Tracing Evaluation and Strategic Support Application, we used the average weekly new cases and average case mortality in November and December 2020. The average case isolation and identification time (25%, Four days) and the average case contact within the household and community were entered into the application. We examined Two modeling systems with 50% and 70% case isolation for the November period as alternative scenarios for the current infection control rate. \u0000Results: Our modeling showed only 11% and 30% of the infections were detected in November and December. The disease's reproductive number is similar to the natural reproductive number of the disease (2-3) in November. The two models used to increase the rate of case isolation to 50% and 70% did not significantly change the reproductive number. \u0000Conclusion: The priority in Iran for COVID-19 infection control should be a dramatic increase in the number of testing to achieve the correct number of case detection and fulfill the contact tracing criteria to reduce the disease spread.","PeriodicalId":19372,"journal":{"name":"Novelty in Biomedicine","volume":"62 1","pages":"118-122"},"PeriodicalIF":0.0,"publicationDate":"2021-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90695192","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
Antibiotic Self-Medication and Risk Factors among Medical Students in an Iranian University: a Cross Sectional Study 伊朗一所大学医学生的抗生素自我用药和危险因素:一项横断面研究
Pub Date : 2021-06-10 DOI: 10.22037/NBM.V9I2.33247
Masoud GhanbariBoroujeni, A. Ansari, Mohammad Ali Tasharrofi, F. Zabihi, Alireza Salimi Chilrani, Farima Khalili, Mohammad Reza Ghanbari Boroujeni, M. Nasiri
Background: Self-medication with antibiotic is a widely prevalent practice all over the world especially among medical students. This study was aimed to evaluate the prevalence and the pattern of self-medication among medical students in Tehran, Iran. Materials and Methods: A cross-sectional questionnaire-based study was conducted among the undergraduate medical students from a referral university in Tehran, Iran. All data obtained were analyzed using the statistical package for social sciences program (SPSS) version 20. Results: A total of 201 students were enrolled in the current study. According to the analysis, 129 (64.1%) of the study population reported that they have self-medicated with antibiotics at least once in their student life. The principal morbidities for seeking self-medication include cough and common cold (23.4%) followed by fever (14.9%). The most frequent antibiotics used to self-medicate the mentioned morbidities were: amoxicillin (62%), co-amoxiclav (19.4%), penicillin (17%), cefixime (16%), azithromycin (14%) and tetracycline (9%). The majority of the participants stated cost saving, convenience and lack of confidence as their reasons for self-medication. The drug selection was mostly based on opinion of family members (31.8%), their own experience (27.4%) and the least commonly reported was selection based on recommendation by net citizens (0.5%). Conclusion: Our study indicates that self-medication is widely practiced among students of the college. In this situation, the health care system should create as effective awareness and educate their students regarding advantages and disadvantages of self-medication.
背景:抗生素自我用药是一种广泛流行的做法在世界各地,特别是在医学生。本研究旨在评估伊朗德黑兰医科学生自我药疗的流行程度和模式。材料与方法:对来自伊朗德黑兰一所转诊大学的医科本科生进行横断面问卷调查。所有获得的数据都使用社会科学程序统计软件包(SPSS)第20版进行分析。结果:本研究共纳入201名学生。根据分析,129(64.1%)的研究人群报告说,他们在学生生活中至少使用过一次抗生素自我治疗。寻求自我药疗的主要原因包括咳嗽和感冒(23.4%),其次是发烧(14.9%)。上述疾病中最常用于自我治疗的抗生素是:阿莫西林(62%)、共阿莫西林(19.4%)、青霉素(17%)、头孢克肟(16%)、阿奇霉素(14%)和四环素(9%)。大多数参与者表示节省成本,方便和缺乏信心是他们自我药疗的原因。以家庭成员意见为主(31.8%),以自身经验为主(27.4%),以网友推荐为主(0.5%)。结论:本研究表明,大学生普遍存在自我药疗行为。在这种情况下,卫生保健系统应该建立有效的意识,并教育他们的学生关于自我药物治疗的利弊。
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引用次数: 1
Effects of adding convalescent plasma therapy for treatment of COVID-19 patients with severe and critical symptoms: a descriptive study of 12 cases 加用恢复期血浆治疗新冠肺炎重症、危重症患者12例的描述性研究
Pub Date : 2021-06-10 DOI: 10.22037/NBM.V9I2.32319
S. Sali, S. Tehrani, A. Rodríguez-Morales, E. Lotfali, D. Yadegarynia, Sara Abolghasemi
Background: Severe symptoms of COVID-19 could be actually life-threatening and fatal. No effective treatmenthas been proposed yet. Plasma from COVID19 recovered patients may be effective according to past similarstudies of some other viral infections.Materials and Methods: This study was conducted at the infectious disease ward of Shahid Labbafi NejadHospital (Tehran, Iran) from 3rd of April 2020 up until 3rd of May 2020. Clinical information for the 12 patients,before and after receiving convalescent plasma transfusion was obtained from a review of the hospital computermedical system retrospectively and analyzed.Results: Out of 12 patients with Covid-19 who received convalescent plasma, 7 patients were male (58.3%)and 5 were female (41.7%). The mean age of the patients was 52 years. Among them, 50% (n=6), improvedand discharged and the rest of them died. Mean O2 saturation of patients with final outcome of death anddischarged before plasma therapy were 67 (33%) and 77 (83%), respectively, an improvement, defining partialresolution of lesions of chest CT scan or stop in progression of infiltrations was detected in all of 6 dischargedpatients.Conclusion: Convalescent plasma may have effective role in improving O2 saturation, lymphopenia and CT scanlesions and also decreasing inflammatory factors of cases with severe manifestations but could not changeprognosis for critically ill patients. Therefore, an early administration of convalescent plasma may be helpful.
背景:COVID-19的严重症状实际上可能危及生命和致命。目前还没有提出有效的治疗方法。根据过去对其他一些病毒感染的类似研究,covid - 19康复患者的血浆可能有效。材料和方法:本研究于2020年4月3日至2020年5月3日在Shahid Labbafi NejadHospital (Tehran, Iran)传染病病房进行。回顾性分析12例患者接受恢复期血浆输注前后的临床资料。结果:12例接受康复血浆治疗的新冠肺炎患者中,男性7例(58.3%),女性5例(41.7%)。患者平均年龄52岁。其中50% (n=6)好转出院,其余死亡。血浆治疗前死亡和出院患者的平均血氧饱和度分别为67(33%)和77(83%),在所有6例出院患者中均检测到改善,定义了胸部CT扫描病变的部分消退或浸润进展停止。结论:恢复期血浆可有效改善重症患者的氧饱和度、淋巴细胞减少和CT扫描病变,降低炎症因子,但不能改变危重患者的预后。因此,早期给予恢复期血浆可能会有帮助。
{"title":"Effects of adding convalescent plasma therapy for treatment of COVID-19 patients with severe and critical symptoms: a descriptive study of 12 cases","authors":"S. Sali, S. Tehrani, A. Rodríguez-Morales, E. Lotfali, D. Yadegarynia, Sara Abolghasemi","doi":"10.22037/NBM.V9I2.32319","DOIUrl":"https://doi.org/10.22037/NBM.V9I2.32319","url":null,"abstract":"Background: Severe symptoms of COVID-19 could be actually life-threatening and fatal. No effective treatmenthas been proposed yet. Plasma from COVID19 recovered patients may be effective according to past similarstudies of some other viral infections.Materials and Methods: This study was conducted at the infectious disease ward of Shahid Labbafi NejadHospital (Tehran, Iran) from 3rd of April 2020 up until 3rd of May 2020. Clinical information for the 12 patients,before and after receiving convalescent plasma transfusion was obtained from a review of the hospital computermedical system retrospectively and analyzed.Results: Out of 12 patients with Covid-19 who received convalescent plasma, 7 patients were male (58.3%)and 5 were female (41.7%). The mean age of the patients was 52 years. Among them, 50% (n=6), improvedand discharged and the rest of them died. Mean O2 saturation of patients with final outcome of death anddischarged before plasma therapy were 67 (33%) and 77 (83%), respectively, an improvement, defining partialresolution of lesions of chest CT scan or stop in progression of infiltrations was detected in all of 6 dischargedpatients.Conclusion: Convalescent plasma may have effective role in improving O2 saturation, lymphopenia and CT scanlesions and also decreasing inflammatory factors of cases with severe manifestations but could not changeprognosis for critically ill patients. Therefore, an early administration of convalescent plasma may be helpful.","PeriodicalId":19372,"journal":{"name":"Novelty in Biomedicine","volume":"1 1","pages":"39-45"},"PeriodicalIF":0.0,"publicationDate":"2021-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76669936","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
Antibiotic Resistance and RAPD-PCR Genotyping of Pseudomonas aeruginosa Clinical Strains Isolated from Intensive Care Unit Patients 重症监护病房患者铜绿假单胞菌临床分离株的耐药性及RAPD-PCR基因分型
Pub Date : 2021-06-10 DOI: 10.22037/NBM.V9I2.32774
M. Ghazi, H. Goudarzi, M. Dadashi, D. Maleki, Parisa Abedi Ilkhichi, M. Goudarzi, A. Bahramian, D. Yadegarynia, A. Yadegar
Background: Pseudomonas aeruginosa is one the most important nosocomial pathogens, especially in immunocompromised patients. Identifying the source of contamination in health centers plays an important role in the control of hospital infections. The aim of this study was to determine antibiotic susceptibility and genetic patterns of P. aeruginosa isolated from patients hospitalized in intensive care unit of Masih Daneshvari Hospital, Tehran, Iran. Materials and Methods: Antibiotic susceptibility of the isolates was examined through 10 antibiotics recommended by Clinical and Laboratory Standards Institute (CLSI, 2018) guidelines using the Kirby-Bauer disc diffusion method. Random amplified polymorphic DNA (RAPD) analysis with the short primer of 272 was used to evaluate genetic relationship among the isolates and the results were analyzed by Gelcompar II software. Results: Of the antibiotics used, the most sensitive was found in colistin (96.4%) and the highest resistance rates were observed in cefotaxime (94.6%), chloramphenicol (83.9%) and imipenem (71.4%). DNA fingerprinting was able to identify 12 genetic patterns by RAPD-PCR technique. Conclusion: Antibiotic resistance in isolates of P. aeruginosa is rising and there is possibility of occurring outbreaks in the medical centers. Different sources of strains show their constant exchange via intra- and extra-hospital transmission routes. Thus, according to the data of this study, there is a serious need to control sources of infections by physicians and staff when they are working in several sectors to control and prevent the transmission of the bacterium.
背景:铜绿假单胞菌是最重要的院内病原菌之一,尤其是在免疫功能低下的患者中。确定卫生中心的污染源对控制医院感染具有重要作用。本研究的目的是确定从伊朗德黑兰Masih Daneshvari医院重症监护病房住院患者中分离的铜绿假单胞菌的抗生素敏感性和遗传模式。材料与方法:采用Kirby-Bauer圆盘扩散法,通过临床与实验室标准协会(CLSI, 2018)指南推荐的10种抗生素检测分离株的抗生素敏感性。利用272短引物随机扩增多态性DNA (RAPD)分析分离株间的亲缘关系,并用Gelcompar II软件对结果进行分析。结果:在使用的抗生素中,粘菌素最敏感(96.4%),耐药率最高的是头孢噻肟(94.6%)、氯霉素(83.9%)和亚胺培南(71.4%)。RAPD-PCR技术鉴定出12种遗传模式。结论:铜绿假单胞菌的耐药性呈上升趋势,有可能在医疗中心发生疫情。不同来源的菌株通过医院内和医院外的传播途径不断交换。因此,根据这项研究的数据,当医生和工作人员在几个部门工作以控制和预防细菌的传播时,非常需要控制感染源。
{"title":"Antibiotic Resistance and RAPD-PCR Genotyping of Pseudomonas aeruginosa Clinical Strains Isolated from Intensive Care Unit Patients","authors":"M. Ghazi, H. Goudarzi, M. Dadashi, D. Maleki, Parisa Abedi Ilkhichi, M. Goudarzi, A. Bahramian, D. Yadegarynia, A. Yadegar","doi":"10.22037/NBM.V9I2.32774","DOIUrl":"https://doi.org/10.22037/NBM.V9I2.32774","url":null,"abstract":"Background: Pseudomonas aeruginosa is one the most important nosocomial pathogens, especially in immunocompromised patients. Identifying the source of contamination in health centers plays an important role in the control of hospital infections. The aim of this study was to determine antibiotic susceptibility and genetic patterns of P. aeruginosa isolated from patients hospitalized in intensive care unit of Masih Daneshvari Hospital, Tehran, Iran. \u0000Materials and Methods: Antibiotic susceptibility of the isolates was examined through 10 antibiotics recommended by Clinical and Laboratory Standards Institute (CLSI, 2018) guidelines using the Kirby-Bauer disc diffusion method. Random amplified polymorphic DNA (RAPD) analysis with the short primer of 272 was used to evaluate genetic relationship among the isolates and the results were analyzed by Gelcompar II software. \u0000Results: Of the antibiotics used, the most sensitive was found in colistin (96.4%) and the highest resistance rates were observed in cefotaxime (94.6%), chloramphenicol (83.9%) and imipenem (71.4%). DNA fingerprinting was able to identify 12 genetic patterns by RAPD-PCR technique. \u0000Conclusion: Antibiotic resistance in isolates of P. aeruginosa is rising and there is possibility of occurring outbreaks in the medical centers. Different sources of strains show their constant exchange via intra- and extra-hospital transmission routes. Thus, according to the data of this study, there is a serious need to control sources of infections by physicians and staff when they are working in several sectors to control and prevent the transmission of the bacterium.","PeriodicalId":19372,"journal":{"name":"Novelty in Biomedicine","volume":"13 1","pages":"52-57"},"PeriodicalIF":0.0,"publicationDate":"2021-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73174650","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
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