Klinicka mikrobiologie a infekcni lekarstvi最新文献

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[Clinical progression of the first wave of novel coronavirus infection in Ostrava]. 俄斯特拉发省第一波新型冠状病毒感染的临床进展
Lenka Petroušová, Simona da Silva, Luděk Rožnovský, Irena Martinková
{"title":"[Clinical progression of the first wave of novel coronavirus infection in Ostrava].","authors":"Lenka Petroušová,&nbsp;Simona da Silva,&nbsp;Luděk Rožnovský,&nbsp;Irena Martinková","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Objectives: </strong>The first case of coronavirus infection in the Moravian-Silesian Region was diagnosed on March 12, 2020. The study aimed to describe the first wave and clinical manifestation of the coronavirus epidemic at the Department of Infectious Diseases in Ostrava.</p><p><strong>Material and methods: </strong>The sample comprised a total of 195 patients requiring hospitalization at the Department of Infectious Diseases in Ostrava between March 1 and August 31, 2020. The virus was diagnosed using polymerase chain reaction from nasopharyngeal swabs in 192 patients and from the bronchoalveolar lavage in one patient. In the other two patients, serological tests were applied using virus neutralization assays and ELISA specific antibodies.</p><p><strong>Results: </strong>The sample included 100 men and 95 women. The mean age was 69.5 years. The most common diagnosis was pneumonia, observed in 123 patients (63 %). Respiratory symptoms without pneumonia were seen in 37 patients (19 %); loss of smell and taste in 14 patients (7 %); cardiovascular complications in 9 patients (5 %); acute psychosis in 2 patients (1 %); and diarrhea and vomiting in 25 patients (13 %). The remaining 23 patients (12 %) did not present any symptoms. The mean length of hospital stay was 11 days. The most frequent comorbidity was cardiovascular disease (70 %). A total of 39 patients died (20 %); their mean age was 77 years. Mechanical ventilation was started in 16 patients, of whom 7 died (43 %). The treatment was mostly symptomatic. Hydroxychloroquine was administered to 21 patients (11 %), favipiravir to 26 patients (13 %) and remdesivir to 13 patients (6 %).</p><p><strong>Conclusion: </strong>Respiratory complications predominated in the majority of patients with coronavirus infection. In most cases, the treatment was symptomatic. One-fifth of the patients, mostly elderly ones, died.</p>","PeriodicalId":17909,"journal":{"name":"Klinicka mikrobiologie a infekcni lekarstvi","volume":"26 3","pages":"80-85"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38797491","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
[Two case reports of chronic hepatitis C retreatment]. 【慢性丙型肝炎再治疗2例报告】。
Luděk Rožnovský, Jakub Mrázek, Lenka Petroušová, Irena Orságová, Libuše Kabieszová, Michaela Konečná, Alena Kloudová
{"title":"[Two case reports of chronic hepatitis C retreatment].","authors":"Luděk Rožnovský,&nbsp;Jakub Mrázek,&nbsp;Lenka Petroušová,&nbsp;Irena Orságová,&nbsp;Libuše Kabieszová,&nbsp;Michaela Konečná,&nbsp;Alena Kloudová","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>In a group of 211 patients with chronic hepatitis C treated with direct-acting antivirals, four experienced therapy failure. Two patients, one originally treated with dasabuvir/ombitasvir/paritaprevir/ritonavir and the other with glecaprevir/pibrentasvir, received a triple combination of sofosbuvir, velpatasvir and voxilaprevir for 12 weeks. Following the retreatment, both patients were permanently virus-free.</p>","PeriodicalId":17909,"journal":{"name":"Klinicka mikrobiologie a infekcni lekarstvi","volume":"26 3","pages":"96-98"},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38797493","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
[Chromoblastomycosis and phaeohyphomycosis, overlooked fungal diseases]. [嗜色菌病和褐丝菌病,被忽视的真菌疾病]。
Radim Dobiáš, Vladimír Havlíček
{"title":"[Chromoblastomycosis and phaeohyphomycosis, overlooked fungal diseases].","authors":"Radim Dobiáš,&nbsp;Vladimír Havlíček","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Dark-pigmented microscopic fungi are worldwide-spread soil saprophytes often found on plant remnants. In chromoblastomycosis, infectious particles of these fungi enter the human body at the site of injury and may cause chronic infection, mainly in tropical and subtropical endemic areas. Chromoblastomycosis is almost exclusively diagnosed in patients with fully functioning immunity, with typically muriform cells present in infected tissue distinguishing this condition from phaeohyphomycosis. Phaeohyphomycosis, a less specific disease caused by dark-pigmented fungi, usually makes tissue necrotize rather than proliferate, involves a broader range of pathogens of the kingdom Fungi and is mainly associated with immune disorders. Chromoblastomycosis is usually a threat to male adults, globally considered an occupational disease affecting farmers, gardeners, loggers, agricultural commodity traders and other workers exposed to contaminated soil or handling materials of plant origin. In the Czech Republic, immunocompetent patients may be at risk of chromoblastomycosis as imported infection. In the past, however, the infection was also rarely documented as autochthonous in the country.</p>","PeriodicalId":17909,"journal":{"name":"Klinicka mikrobiologie a infekcni lekarstvi","volume":"26 2","pages":"54-61"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39122033","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
[Treatment of chromoblastomycosis and phaeohyphomycosis]. [嗜色菌病和暗色菌丝病的治疗]。
Radim Dobiáš, Vladimír Havlíček
{"title":"[Treatment of chromoblastomycosis and phaeohyphomycosis].","authors":"Radim Dobiáš,&nbsp;Vladimír Havlíček","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Cases of chromoblastomycosis are frequent in certain parts of the world, especially in some developing countries. Clinical manifestations of chromoblastomycosis are typical. To a certain extent, pathogens causing chromoblastomycosis overlap with those causing phaeohyphomycosis. Although cases of phaeohyphomycosis are not very common, they may end fatally. Therefore early management of these life-threatening infections is rather important. Targeted antifungal therapy and surgery are effective in combating these infections. Recently, several triazole antifungals such as posaconazole and isavuconazole have been available to treat even the most severe cases. Prevention of the infection should be aimed at reducing the risk of subcutaneous trauma, particularly in persons in contact with potential sources of infection such as wood materials important from endemic areas.</p>","PeriodicalId":17909,"journal":{"name":"Klinicka mikrobiologie a infekcni lekarstvi","volume":"26 2","pages":"62-68"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39122034","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
[Direct identification of bacteria in blood cultures by MALDI-TOF MS]. [MALDI-TOF质谱法直接鉴定血液培养细菌]。
Radka Homolová, Kateřina Bogdanová, Jan Bardoň, Milan Kolář
{"title":"[Direct identification of bacteria in blood cultures by MALDI-TOF MS].","authors":"Radka Homolová,&nbsp;Kateřina Bogdanová,&nbsp;Jan Bardoň,&nbsp;Milan Kolář","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Background: </strong>Early and causal administration of antibiotics in patients with a positive blood culture is an essential prerequisite for successful treatment of infection. However, isolation and subsequent identification of bacteria in a blood culture by classical (culture) methods may last several days. MALDI-TOF MS is a method allowing rapid identification of bacteria, not only cultures from culture media, but also directly in clinical specimens.</p><p><strong>Methods: </strong>The study included samples of positive blood cultures taken from patients in the University Hospital Olomouc between 2016 and 2018 and examined at the Department of Microbiology of the Faculty of Medicine, Palacký University Olomouc. Positive blood culture samples were processed using an in-house method involving the removal of blood cells by low-speed centrifugation. Subsequently, a pellet obtained by high-speed centrifugation and sample washing was tested by MALDI-TOF MS.</p><p><strong>Results: </strong>A total of 110 positive blood cultures were examined using the method of direct identification. At a species level, more Gram-negative bacteria (88 %) than Gram-positive bacteria (79 %) were correctly identified, with higher identification score values being obtained for the former. Identification score values of 2.0 or higher were found in 62 % of blood cultures containing Gram-negative bacteria and 17 % of blood cultures containing Gram-positive bacteria. Identification score values ranging from 1.7 to 2.0 were found in 21 % of Gram-negative blood cultures and 33 % of blood cultures containing Gram-positive bacteria.</p><p><strong>Conclusion: </strong>Direct identification of microorganisms from positive blood cultures using MALDI-TOF MS enables more rapid diagnosis. By reducing the time required to obtain the result of pathogen identification, it may positively affect the antibiotic treatment of patients.</p>","PeriodicalId":17909,"journal":{"name":"Klinicka mikrobiologie a infekcni lekarstvi","volume":"26 2","pages":"45-50"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39109636","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
[Chromoblastomycosis and phaeohyphomycosis - pathogenesis and laboratory diagnosis]. [嗜色菌病和褐丝酵母菌病-发病机制和实验室诊断]。
Radim Dobiáš, Vladimír Havlíček
{"title":"[Chromoblastomycosis and phaeohyphomycosis - pathogenesis and laboratory diagnosis].","authors":"Radim Dobiáš,&nbsp;Vladimír Havlíček","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Chromoblastomycosis and phaeohyphomycosis are less common fungal infections caused by dark-pigmented fungi. Virulence factors play an important role in the pathogenesis of these diseases. One of these factors, muriform cells, are the most important element for differential diagnosis of chromoblastomycosis and phaeohyphomycosis using clinical samples and various staining techniques. Accurate identification of pathogens causing chromoblastomycosis and phaeohyphomycosis is very important for correct and early antifungal therapy. Therefore, species identification of the etiological agent should be confirmed by sequencing of DNA from the culture. Early diagnosis may be crucial, especially in case of invasive forms of these infections. The diagnosis may be guided by some immunohistochemistry methods and DNA detection using polymerase chain reaction directly from clinical samples seems to be useful for identification of pathogens causing these severe and life-threatening infections.</p>","PeriodicalId":17909,"journal":{"name":"Klinicka mikrobiologie a infekcni lekarstvi","volume":"26 2","pages":"69-75"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39122035","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
[Dalbavancin and its use in the treatment of methicillin-resistant Staphylococcus aureus - induced upper limb phlegmon]. [Dalbavancin及其在耐甲氧西林金黄色葡萄球菌引起的上肢痰中的应用]。
Ondrej Zahornacký, Martin Novotný
{"title":"[Dalbavancin and its use in the treatment of methicillin-resistant Staphylococcus aureus - induced upper limb phlegmon].","authors":"Ondrej Zahornacký,&nbsp;Martin Novotný","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The article discusses dalbavancin, a relatively new lipoglycopeptide antibiotic brought to market. It briefly describes the spectrum and mechanism of its antibacterial effect and dosing regimens that can be used in the treatment of skin and soft tissue infections. The authors present a case of a patient with shoulder phlegmon caused by MRSA who was successfully treated with this antibiotic.</p>","PeriodicalId":17909,"journal":{"name":"Klinicka mikrobiologie a infekcni lekarstvi","volume":"26 2","pages":"51-53"},"PeriodicalIF":0.0,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39122032","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
[Cost-effectiveness analysis for HIV pre-exposure prophylaxis in a high-risk population in the Czech Republic]. [在捷克共和国高危人群中进行艾滋病毒暴露前预防的成本效益分析]。
Jana Skoupá, Karolaacute Švecová, Svatava Snopková
{"title":"[Cost-effectiveness analysis for HIV pre-exposure prophylaxis in a high-risk population in the Czech Republic].","authors":"Jana Skoupá,&nbsp;Karolaacute Švecová,&nbsp;Svatava Snopková","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Objectives: </strong>To assess the cost-effectiveness of pharmacological pre-exposure prophylaxis (PrEP) using a combination of emtricitabine and tenofovir disoproxil fumarate (FTC/TDF) with respect to HIV transmission in high-risk patients in the Czech Republic.</p><p><strong>Material and methods: </strong>A pharmacoeconomic model was constructed to compare costs and outcomes in a cohort with and without PrEP. Initially, a decision tree is used to evaluate short-term benefits of PrEP (proportion of HIV-infected individuals), followed by Markov cycles to simulate the course of the disease based on CD4 lymphocyte counts. The efficacy of PrEP, probability of transition between HIV infection stages, costs per category and quality of life data were derived from the literature. The results are presented as an incremental cost effectiveness ratio of incremental costs and incremental quality adjusted life-years (ICER/QALY) in a lifetime horizon with a 3% annual discount rate of costs and benefits.</p><p><strong>Results: </strong>The FTC/TDF prophylaxis is dominant, that is, it generates lower costs and higher benefits (expressed as QALYs) in comparison with the control group without prophylaxis. A sensitivity analysis modelled all relevant parameters and all scenarios confirmed the PrEP dominance.</p><p><strong>Conclusions: </strong>A cost-effectiveness analysis in the Czech Republic setting confirmed that pharmacological PrPE intervention is cost-effective, or cost-saving, in a high-risk population of men having sex with men, using a lifetime horizon.</p>","PeriodicalId":17909,"journal":{"name":"Klinicka mikrobiologie a infekcni lekarstvi","volume":"26 1","pages":"18-24"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38716850","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
[Our experiences with Actinomyces urogenitalis in human clinical samples]. [我们在人类临床样本中泌尿生殖放线菌的经验]。
Petr Ježek, Renáta Šafránková, Lucia Mališová
{"title":"[Our experiences with Actinomyces urogenitalis in human clinical samples].","authors":"Petr Ježek,&nbsp;Renáta Šafránková,&nbsp;Lucia Mališová","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Actinomyces urogenitalis is most commonly associated with the human genitourinary system, often only as the resident flora. Outside the genitourinary tract, A. urogenitalis is isolated rather sporadically. Presented are two brief case reports of human infections outside the genitourinary tract as well as experiences with microbiological identification of this actinomycete. Antibiotic susceptibility testing of actinomycetes is focused especially on their resistance to lincosamides and fluoroquinolones. The etiological relationship with the patients' clinical problems was not investigated. Previously reported cases of infections outside the genitourinary tract are also mentioned in the article. The article may aid in expanding the knowledge of the occurrence, diagnosis and susceptibility of A. urogenitalis to antibiotics, particularly in rarely reported extra-genitourinary infections caused by this species. Accurate species identification in routine laboratory practice is important both for determination of the etiological role of the microorganism and for more precise selection of empirical antibiotic therapy.</p>","PeriodicalId":17909,"journal":{"name":"Klinicka mikrobiologie a infekcni lekarstvi","volume":"26 1","pages":"12-17"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38716849","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
[Symptoms and complications of influenza A in seniors in the 2018-2019 season]. [2018-2019年老年人甲型流感的症状和并发症]。
Robin Šín, Dalibor Sedláček, Sam Hofman
{"title":"[Symptoms and complications of influenza A in seniors in the 2018-2019 season].","authors":"Robin Šín,&nbsp;Dalibor Sedláček,&nbsp;Sam Hofman","doi":"","DOIUrl":"","url":null,"abstract":"<p><strong>Aims: </strong>To describe the symptoms and complications of influenza A in seniors in the 2018-2019 influenza season.</p><p><strong>Material and methods: </strong>A retrospective analysis of data on 84 seniors with laboratory confirmed influenza A between 1 October 2018 and 30 April 2019 who were tested for this infectious disease in the University Hospital Pilsen.</p><p><strong>Results: </strong>Influenza A was diagnosed in 84 seniors during the period under review. The most common symptoms were fever (69 cases; 82.14 %) and cough (60 cases; 71.43 %). These two symptoms combined occurred in more than half of patients over 65 years of age (51 cases; 60.71 %). Other common symptoms included general weakness (58 cases; 69.05 %) and fatigue (57 cases; 67.86 %). The other symptoms occurred in less than half of cases. The most common complication was pneumonia (36 cases; 42.86 %). Bacterial etiology was confirmed in 13 cases and the most commonly occurring pathogens were Klebsiella pneumoniae and Streptococcus pneumoniae. Another common complication of influenza was acute respiratory insufficiency in pneumonia, heart failure or exacerbation of chronic respiratory disease. The mortality rate of seniors in our sample was 17.86 % (15 cases).</p><p><strong>Conclusion: </strong>In the senior population, the most common symptoms of influenza are a rapid onset of fever and dry cough. The study has confirmed that the most common complication is pneumonia. Furthermore, exacerbations of various chronic diseases of the cardiovascular and respiratory systems, worsening of chronic renal insufficiency and urinary tract infections were common. The most effective prevention of the development of influenza and its complications is the available quadrivalent vaccine.</p>","PeriodicalId":17909,"journal":{"name":"Klinicka mikrobiologie a infekcni lekarstvi","volume":"26 1","pages":"25-29"},"PeriodicalIF":0.0,"publicationDate":"2020-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38729238","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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