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Prevalence of Aminoglycoside and Carbapenemase Resistance Genes and Biofilm Formation among Clinical Isolates of Acinetobacter baumannii in Iran 伊朗鲍曼不动杆菌氨基糖苷和碳青霉烯酶耐药基因的流行及生物膜的形成
IF 0.2 Q4 INFECTIOUS DISEASES Pub Date : 2022-06-28 DOI: 10.4274/mjima.galenos.2022.2022.32
S. Ghasemi, S. Shoja, Farzad Mazloomirad, M. A. Ghatee, Fatemeh Rashidpoor, S. Khoramrooz, S. Khosravani, A. Sharifi
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引用次数: 0
Evaluation of Serum Antibody Levels and Presence of Neutralizing Antibodies in Mild and Moderate COVID-19 Patients 轻、中度COVID-19患者血清抗体水平及中和抗体存在的评价
IF 0.2 Q4 INFECTIOUS DISEASES Pub Date : 2022-06-28 DOI: 10.4274/mjima.galenos.2022.2022.29
E. Özkaya, İ. Tosun, I. Baran, C. K. Buruk, N. Kaklıkkaya, F. Aydın, M. Ertürk
Introduction: Severe acute respiratory syndrome-Coronavirus-2 (SARS-CoV-2) antibodies are produced in persons who have been infected by the virus or have received the vaccine. Many features of these antibodies, including their dynamics and neutralization capacities, are still unclear. Understanding the immune response of the host is very important for the development of appropriate treatment methods, vaccines, and epidemiological control strategies. The present study aimed to monitor the change in antibody levels over time in individuals diagnosed with SARSCoV- 2 infections and to determine their neutralization capacity. Material(s) and Method(s): Anti-nucleocapsid and anti-spike antibody titers were measured using different kits on monthly obtained serum samples of patients of patients with SARS-CoV-2 infection. The neutralizing antibodies were evaluated using a microneutralization assay. Result(s): A total of 134 serum samples taken from 43 patients with a mild-moderate disease course were analyzed. Anti-spike antibody positivity was detected on day seven at the earliest and day 334 at the latest following a positive polymerase chain reaction (PCR) test. The mean antibody levels were observed to increase gradually to a peak after three months, and then started to decrease after month six. Anti-nucleocapsid IgM and IgG antibodies were detected alone or in combination. The highest neutralizing antibody titer was 1/80 in the first month, which was seen to drop below 1/10 after four months. Conclusion(s): The combined use of kits for the detection of antibodies against different antigens or testing total antibodies would result in a more accurate and earlier detection of the antibodies that start to emerge on the seventh day and decrease six months after SARS-CoV-2 PCR positivity. In addition, the dramatic decrease in neutralizing antibody titers after four months may be one of the causes of early reinfections. Copyright © 2022 by the Infectious Diseases and Clinical Microbiology Specialty Society of Turkey.
简介:严重急性呼吸综合征-冠状病毒-2 (SARS-CoV-2)抗体是由病毒感染者或接种疫苗的人产生的。这些抗体的许多特征,包括它们的动力学和中和能力,仍然不清楚。了解宿主的免疫反应对于制定适当的治疗方法、疫苗和流行病学控制策略非常重要。本研究旨在监测被诊断为SARSCoV- 2感染的个体抗体水平随时间的变化,并确定其中和能力。材料和方法:对每月采集的SARS-CoV-2感染患者血清样本,采用不同试剂盒检测抗核衣壳抗体和抗刺突抗体滴度。使用微量中和试验评估中和抗体。结果:对43例轻中度病程患者的134份血清样本进行了分析。经聚合酶链反应(PCR)检测,抗刺突抗体阳性最早出现在第7天,最晚出现在第334天。平均抗体水平在3个月后逐渐升高至峰值,6个月后开始下降。抗核衣壳IgM和IgG抗体单独或联合检测。中和抗体滴度在第一个月最高为1/80,4个月后降至1/10以下。结论:联合使用不同抗原抗体检测试剂盒或检测总抗体可更准确、更早地检测出SARS-CoV-2 PCR阳性后第7天开始出现、6个月后逐渐减少的抗体。此外,4个月后中和抗体滴度的急剧下降可能是早期再感染的原因之一。土耳其传染病和临床微生物学专业学会版权所有©2022。
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引用次数: 0
The Relationship Between Viral Load and Laboratory Values and Radiological Findings in COVID-19 Patients COVID-19患者病毒载量、实验室值和影像学表现的关系
IF 0.2 Q4 INFECTIOUS DISEASES Pub Date : 2022-05-16 DOI: 10.4274/mjima.galenos.2022.2022.26
A. Altıntop Geçkil, Isilay Gokce Benk, Sukru Aydin, Mehmet Akçiçek
Introduction: This study investigates the relationship between the viral load calculated from oropharyngeal/nasopharyngeal swabs at diagnosis and the laboratory parameters and radiological findings in patients with Coronavirus disease-2019 (COVID-19).Materials and Methods: Sixty-seven patients who were positive for severe acute respiratory syndrome-coronavirus-2 via quantitative reverse transcription-polymerase chain reaction (qPCR) from their oropharyngeal/nasopharyngeal swabs and admitted to Malatya Turgut Ozal University Hospital were included in the study. Demographic data, laboratory parameters, and the severity of thorax computed tomography findings were recorded. The relationship between the viral load and these data was compared.Results: The mean age of the patients was 63.4 +/- 9.8 years, mean body mass index (BMI) was 28.6 +/- 5.4 kg/m2, and mean cycle threshold (Ct) values were 21.4 +/- 5.2 cycles. No correlation was found between Ct value and gender, age, and BMI. There was a significant relationship between radiological severity and Ct value, age, and gender. There was a significant correlation between the Ct value and C-reactive protein, leukocyte, neutrophil, lymphocyte, neutrophil-lymphocyte ratio, ferritin, albumin, and calcium levels. In contrast, no significant correlation was found betweenConclusion: The viral load amount shown by PCR during the early period predicts the condition of the patient's lung in the advanced immunological phase. The Ct value can be an independent factor for evaluating the patient's radiological and biochemical status.
前言:本研究探讨了冠状病毒病-2019 (COVID-19)患者诊断时口咽/鼻咽拭子计算的病毒载量与实验室参数和影像学表现的关系。材料与方法:选取马拉提亚图尔古特奥扎尔大学医院收治的67例经定量逆转录聚合酶链反应(qPCR)检测为严重急性呼吸综合征-冠状病毒-2阳性的口咽/鼻咽拭子患者为研究对象。记录人口统计数据、实验室参数和胸部计算机断层扫描结果的严重程度。比较了病毒载量与这些数据之间的关系。结果:患者平均年龄63.4 +/- 9.8岁,平均体重指数(BMI) 28.6 +/- 5.4 kg/m2,平均周期阈值(Ct) 21.4 +/- 5.2周期。Ct值与性别、年龄、BMI均无相关性。放射学严重程度与Ct值、年龄和性别有显著关系。Ct值与c反应蛋白、白细胞、中性粒细胞、淋巴细胞、中性粒细胞-淋巴细胞比值、铁蛋白、白蛋白、钙水平有显著相关性。结论:早期PCR显示的病毒载量可以预测患者免疫晚期的肺部状况。Ct值可作为评价患者放射学和生化状况的独立因素。
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引用次数: 0
Evaluation of the Performance of QuantiFERON-TB Gold Plus Assay in HIV Infection QuantiFERON-TB Gold Plus检测HIV感染的性能评价
IF 0.2 Q4 INFECTIOUS DISEASES Pub Date : 2022-05-16 DOI: 10.4274/mjima.galenos.2022.2021.27
Melike Yaşar-Duman, C. Çavuşoğlu, I. Altuğlu, A. Zeytinoglu, Ayşe Deni Gökengi, Tansu Gülbahar Aydoğan, M. Orman
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引用次数: 0
Candida auris: Microbiological Characteristics and Laboratory Diagnosis of the Hidden Pathogen 耳念珠菌:隐匿病原体的微生物学特征及实验室诊断
IF 0.2 Q4 INFECTIOUS DISEASES Pub Date : 2022-05-16 DOI: 10.4274/mjima.galenos.2022.2022.28
Esra Yildirim Servi, M. Uzun
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引用次数: 2
A Multidisciplinary Approach to Opportunistic Infections in a Late-presenter Person Living with HIV 一种多学科的方法来机会性感染在HIV感染者晚期
IF 0.2 Q4 INFECTIOUS DISEASES Pub Date : 2022-04-12 DOI: 10.4274/mjima.galenos.2022.2021.23
A. Bahar, Yasemin Ekim, S. Uysal, M. Ç. Sönmezer, Dolunay Gülmez, Sevgen Çeli̇k Önder, M. Onur, S. Arıkan Akdağlı, A. Inkaya, D. Inan, S. Ünal
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引用次数: 1
Outcomes of COVID-19 in Patients with Inflammatory Bowel Disease: A Tertiary Center Experience COVID-19在炎症性肠病患者中的结局:三级中心经验
IF 0.2 Q4 INFECTIOUS DISEASES Pub Date : 2022-04-12 DOI: 10.4274/mjima.galenos.2022.2021.25
B. Başpınar, İ. Güven, İ. Yüksel
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引用次数: 0
Anti-nucleocapsid Antibody Response After Two Doses of CoronaVac® Among Healthcare Workers 医护人员服用两剂CoronaVac®后抗核衣壳抗体反应
IF 0.2 Q4 INFECTIOUS DISEASES Pub Date : 2022-04-12 DOI: 10.4274/mjima.galenos.2022.2021.24
Ayşin Kılınç Toker, Duygu Çerçioğlu Özdemir, E. Eren, Ayşe Turunç Özdemir, Azade Kanat, I. Çelik, Ibrahim Toker
Introduction: The Coronavirus disease-2019 (COVID-19) pandemic that started over two years ago has led to high mortality and morbidity. Vaccine studies have been initiated worldwide to end the pandemic, and the CoronaVac (R) vaccine was first administered to healthcare workers at high risk of COVID-19 in Turkey. In our study, we aimed to investigate serum antibody levels after vaccination. Materials and Methods: Volunteer healthcare workers without COVID-19 disease who received two doses of CoronaVac (R) vaccine 28 days apart and were at least 14 days after the last dose of vaccine were included in this study. Assessment of antibodies against Severe acute respiratory syndrome-Coronavirus-2 (SARS-CoV-2) in blood samples from participants was performed using the Elecsys (R) anti-SARS-CoV-2 electrochemiluminescence immunoassay. Samples with a cut-off index (COI) (COI;signal sample/cut-off) <1.0 were considered negative;whereas samples with COI >= 1.0 were deemed positive. Results: A total of 269 healthcare workers, 168 women (62.5%), were included in our study. The mean age of the participants was 37.7 +/- 8.6 (minimum-maximum: 21-62). Antibody levels were positive in 188 (69.9%) of the participants. The median antibody level was 9.2 COI (interquartile ranges=3-34.7). In terms of mean age, the mean age of participants with negative antibodies was higher with a statistically significant difference (p=0.001). The antibody positivity rate of women was higher than that of men (p<0.001). No statistically significant association was found between the time elapsed after vaccination, presence of comorbidities, development of post-vaccine side effects, and antibody levels. It was found that one or more side effects developed in 45.7% of the participants after vaccination. Conclusion: Our study showed that seropositivity developed significantly in healthcare workers after the CoronaVac (R) vaccine. It emphasizes the importance of maintaining infection prevention and control measures and administering the SARS-CoV-2 vaccine for healthcare workers at high risk.
导语:两年多前开始的冠状病毒病-2019 (COVID-19)大流行导致了高死亡率和发病率。为结束大流行,世界各地已启动疫苗研究,在土耳其首次对COVID-19高风险的卫生保健工作者接种了CoronaVac (R)疫苗。在我们的研究中,我们的目的是调查疫苗接种后的血清抗体水平。材料与方法:无COVID-19疾病的志愿卫生工作者,间隔28天接种两剂CoronaVac (R)疫苗,且在最后一次接种疫苗后至少14天。使用Elecsys (R)抗SARS-CoV-2电化学发光免疫分析法评估参与者血液样本中针对SARS-CoV-2的抗体。截止指数(COI) (COI;信号样本/截止)= 1.0的样本为阳性。结果:共纳入269名医护人员,其中女性168人(62.5%)。参与者的平均年龄为37.7±8.6岁(最小-最大:21-62岁)。188人(69.9%)抗体水平为阳性。抗体水平中位数为9.2 COI(四分位数范围为3 ~ 34.7)。在平均年龄方面,抗体阴性参与者的平均年龄更高,差异有统计学意义(p=0.001)。女性抗体阳性率高于男性(p<0.001)。接种疫苗后的时间、合并症的存在、疫苗后副作用的发生和抗体水平之间没有统计学上显著的关联。结果发现,45.7%的参与者在接种疫苗后出现了一种或多种副作用。结论:我们的研究表明,卫生保健工作者在冠状病毒(R)疫苗接种后血清阳性显著上升。它强调了维持感染预防和控制措施以及对高危医护人员接种SARS-CoV-2疫苗的重要性。
{"title":"Anti-nucleocapsid Antibody Response After Two Doses of CoronaVac® Among Healthcare Workers","authors":"Ayşin Kılınç Toker, Duygu Çerçioğlu Özdemir, E. Eren, Ayşe Turunç Özdemir, Azade Kanat, I. Çelik, Ibrahim Toker","doi":"10.4274/mjima.galenos.2022.2021.24","DOIUrl":"https://doi.org/10.4274/mjima.galenos.2022.2021.24","url":null,"abstract":"Introduction: The Coronavirus disease-2019 (COVID-19) pandemic that started over two years ago has led to high mortality and morbidity. Vaccine studies have been initiated worldwide to end the pandemic, and the CoronaVac (R) vaccine was first administered to healthcare workers at high risk of COVID-19 in Turkey. In our study, we aimed to investigate serum antibody levels after vaccination. Materials and Methods: Volunteer healthcare workers without COVID-19 disease who received two doses of CoronaVac (R) vaccine 28 days apart and were at least 14 days after the last dose of vaccine were included in this study. Assessment of antibodies against Severe acute respiratory syndrome-Coronavirus-2 (SARS-CoV-2) in blood samples from participants was performed using the Elecsys (R) anti-SARS-CoV-2 electrochemiluminescence immunoassay. Samples with a cut-off index (COI) (COI;signal sample/cut-off) <1.0 were considered negative;whereas samples with COI >= 1.0 were deemed positive. Results: A total of 269 healthcare workers, 168 women (62.5%), were included in our study. The mean age of the participants was 37.7 +/- 8.6 (minimum-maximum: 21-62). Antibody levels were positive in 188 (69.9%) of the participants. The median antibody level was 9.2 COI (interquartile ranges=3-34.7). In terms of mean age, the mean age of participants with negative antibodies was higher with a statistically significant difference (p=0.001). The antibody positivity rate of women was higher than that of men (p<0.001). No statistically significant association was found between the time elapsed after vaccination, presence of comorbidities, development of post-vaccine side effects, and antibody levels. It was found that one or more side effects developed in 45.7% of the participants after vaccination. Conclusion: Our study showed that seropositivity developed significantly in healthcare workers after the CoronaVac (R) vaccine. It emphasizes the importance of maintaining infection prevention and control measures and administering the SARS-CoV-2 vaccine for healthcare workers at high risk.","PeriodicalId":53879,"journal":{"name":"Mediterranean Journal of Infection Microbes and Antimicrobials","volume":"63 1","pages":""},"PeriodicalIF":0.2,"publicationDate":"2022-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81125336","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
Antimicrobial Activities of Piperacillin-Tazobactam plus oxyimino-cephalosporins and Gentamicin against Extensively Drug Resistant Non-Carbapenemase producing Enterobacteriaceae Isolated from Immune-compromised Patients in a Nigerian Hospital 哌拉西林-他唑巴坦联合氧亚胺-头孢菌素和庆大霉素对尼日利亚一家医院免疫功能低下患者分离的广泛耐药非碳青霉烯酶产肠杆菌科细菌的抗菌活性
IF 0.2 Q4 INFECTIOUS DISEASES Pub Date : 2022-03-09 DOI: 10.4274/mjima.galenos.2022.2021.18
Abubakar Suleiman Kankara, U. A. Dutsinma, I. Yusuf
{"title":"Antimicrobial Activities of Piperacillin-Tazobactam plus oxyimino-cephalosporins and Gentamicin against Extensively Drug Resistant Non-Carbapenemase producing Enterobacteriaceae Isolated from Immune-compromised Patients in a Nigerian Hospital","authors":"Abubakar Suleiman Kankara, U. A. Dutsinma, I. Yusuf","doi":"10.4274/mjima.galenos.2022.2021.18","DOIUrl":"https://doi.org/10.4274/mjima.galenos.2022.2021.18","url":null,"abstract":"","PeriodicalId":53879,"journal":{"name":"Mediterranean Journal of Infection Microbes and Antimicrobials","volume":"88 1","pages":""},"PeriodicalIF":0.2,"publicationDate":"2022-03-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81937307","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
A Case of Mild Encephalitis/encephalopathy with a ReversibleSplenial Lesion (MERS)Caused by Hantavirus 汉坦病毒引起的轻度脑炎/脑病合并可逆性脾损害1例
IF 0.2 Q4 INFECTIOUS DISEASES Pub Date : 2022-03-09 DOI: 10.4274/mjima.galenos.2022.2021.17
Emsal Aydın, Nihal Türkmen Türker, A. Şahin
{"title":"A Case of Mild Encephalitis/encephalopathy with a ReversibleSplenial Lesion (MERS)Caused by Hantavirus","authors":"Emsal Aydın, Nihal Türkmen Türker, A. Şahin","doi":"10.4274/mjima.galenos.2022.2021.17","DOIUrl":"https://doi.org/10.4274/mjima.galenos.2022.2021.17","url":null,"abstract":"","PeriodicalId":53879,"journal":{"name":"Mediterranean Journal of Infection Microbes and Antimicrobials","volume":"26 1","pages":""},"PeriodicalIF":0.2,"publicationDate":"2022-03-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83641817","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
期刊
Mediterranean Journal of Infection Microbes and Antimicrobials
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