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Maximizing the diagnostic potential of 1,3 beta-D-glucan assays for invasive fungal infections 最大化1,3 β - d -葡聚糖检测对侵袭性真菌感染的诊断潜力
Clinical Microbiology Newsletter Pub Date : 2025-01-10 DOI: 10.1016/j.clinmicnews.2025.01.001
Sejal Morjaria , N. Esther Babady
{"title":"Maximizing the diagnostic potential of 1,3 beta-D-glucan assays for invasive fungal infections","authors":"Sejal Morjaria ,&nbsp;N. Esther Babady","doi":"10.1016/j.clinmicnews.2025.01.001","DOIUrl":"10.1016/j.clinmicnews.2025.01.001","url":null,"abstract":"<div><div>Invasive fungal infections (IFIs) pose a serious threat to patients, particularly those who are immunocompromised. Timely and accurate diagnosis of IFIs is critical to improving outcomes, and conventional diagnostic methods often fall short. The 1,3 Beta-D-Glucan <strong>(</strong>BDG) assay has become a significant test in the early diagnosis and management of IFIs when used in the appropriate clinical context.</div></div>","PeriodicalId":39211,"journal":{"name":"Clinical Microbiology Newsletter","volume":"50 ","pages":"Pages 24-33"},"PeriodicalIF":0.0,"publicationDate":"2025-01-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143095474","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
Acute appendicitis caused by Arcanobacterium haemolyticum 溶血隐杆菌引起的急性阑尾炎
Clinical Microbiology Newsletter Pub Date : 2025-01-02 DOI: 10.1016/j.clinmicnews.2024.12.001
Ismail Faiz , Abderrazak Saddari , Said Ezrari , Samir Kaddouri , Elmostafa Benaissa , Yassine BenLahlou , Mostafa Elouennass , Adil Maleb
{"title":"Acute appendicitis caused by Arcanobacterium haemolyticum","authors":"Ismail Faiz ,&nbsp;Abderrazak Saddari ,&nbsp;Said Ezrari ,&nbsp;Samir Kaddouri ,&nbsp;Elmostafa Benaissa ,&nbsp;Yassine BenLahlou ,&nbsp;Mostafa Elouennass ,&nbsp;Adil Maleb","doi":"10.1016/j.clinmicnews.2024.12.001","DOIUrl":"10.1016/j.clinmicnews.2024.12.001","url":null,"abstract":"<div><div><em>Arcanobacterium haemolyticum</em> is known for causing pharyngitis in young adults and skin/soft tissue infections in older and immunocompromised people. We report here the case of a 25-year-old patient admitted to the emergency room for pain in the right iliac fossa. Abdominal computed tomography (CT) scan showed acute uncomplicated appendicitis. The biological assessment revealed an inflammatory syndrome with CRP at 124 mg/L. The patient underwent an appendectomy by laparotomy. The cytobacteriological analysis of deep pus revealed an important leukocyte reaction to neutrophils, and the growth of <em>Arcanobacterium haemolyticum</em> in culture. Antibiotic susceptibility testing showed that the bacterium was susceptible to clindamycin, tetracycline, linezolid, and rifampicin, and resistant to penicillin G, sulfamethoxazole/trimethoprim, moxifloxacin, ciprofloxacin, and vancomycin. Most studies have shown that this bacterium is susceptible to all classes of antibiotics except sulfamethoxazole-trimethoprim, however, in our case and like certain recent studies, other resistances are emerging.</div></div>","PeriodicalId":39211,"journal":{"name":"Clinical Microbiology Newsletter","volume":"50 ","pages":"Pages 19-23"},"PeriodicalIF":0.0,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143095473","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 fatal case of community-acquired Acinetobacter pittii necrotising fasciitis, and a review of the literature 社区获得性皮氏不动杆菌坏死性筋膜炎1例，并复习文献
Clinical Microbiology Newsletter Pub Date : 2024-11-28 DOI: 10.1016/j.clinmicnews.2024.11.003
Maja Johanne Søndergaard Knudsen, Peder Worning, Sarah Juel Paulsen, Anne Line Engsbro
{"title":"A fatal case of community-acquired Acinetobacter pittii necrotising fasciitis, and a review of the literature","authors":"Maja Johanne Søndergaard Knudsen,&nbsp;Peder Worning,&nbsp;Sarah Juel Paulsen,&nbsp;Anne Line Engsbro","doi":"10.1016/j.clinmicnews.2024.11.003","DOIUrl":"10.1016/j.clinmicnews.2024.11.003","url":null,"abstract":"<div><div>We report a fatal case of a comorbid male in his 70s admitted for erysipelas on the right lower leg. The condition developed rapidly and during debridement, the patient was diagnosed with necrotising fasciitis (NF). <em>A. pittii</em> was isolated from both blood and tissue samples. Despite broad-spectrum antibiotics, hyperbaric oxygen treatment and surgical intervention, the patient died from multiple organ failure. A review was conducted with a PubMed search for case reports/cohort studies with cases of <em>Acinetobacter</em> NF. Twenty-three articles were identified reporting on 30 cases with NF caused by <em>Acinetobacter</em> sp. (<em>Acinetobacter baumanii</em> 83 %, <em>A. pittii</em> 0). Infections were polymicrobial in 57 % of cases and fatal in 47 % of cases. For cases unrelated to war, most identified patients suffered from one or more comorbidities. <em>A. pittii</em> should be considered an important finding in a patient with a soft skin infection, and the risk of NF should be assessed.</div></div>","PeriodicalId":39211,"journal":{"name":"Clinical Microbiology Newsletter","volume":"50 ","pages":"Pages 13-18"},"PeriodicalIF":0.0,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143095472","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Microbe snapshots: Dengue virus 微生物快照：登革热病毒
Clinical Microbiology Newsletter Pub Date : 2024-11-26 DOI: 10.1016/j.clinmicnews.2024.11.002
Samuel M. Goodfellow , Esther Vaugon
{"title":"Microbe snapshots: Dengue virus","authors":"Samuel M. Goodfellow ,&nbsp;Esther Vaugon","doi":"10.1016/j.clinmicnews.2024.11.002","DOIUrl":"10.1016/j.clinmicnews.2024.11.002","url":null,"abstract":"","PeriodicalId":39211,"journal":{"name":"Clinical Microbiology Newsletter","volume":"50 ","pages":"Pages 11-12"},"PeriodicalIF":0.0,"publicationDate":"2024-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143095471","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
Peritoneal Tuberculosis: Navigating diagnostic challenges 腹膜结核：导航诊断挑战
Clinical Microbiology Newsletter Pub Date : 2024-11-22 DOI: 10.1016/j.clinmicnews.2024.11.001
Reanay Berezovskiy , Meher Sultana , Jason Guyotte , Daria Yunina-Distefano , Niyati Goradia , Irene E. Rossmer
{"title":"Peritoneal Tuberculosis: Navigating diagnostic challenges","authors":"Reanay Berezovskiy ,&nbsp;Meher Sultana ,&nbsp;Jason Guyotte ,&nbsp;Daria Yunina-Distefano ,&nbsp;Niyati Goradia ,&nbsp;Irene E. Rossmer","doi":"10.1016/j.clinmicnews.2024.11.001","DOIUrl":"10.1016/j.clinmicnews.2024.11.001","url":null,"abstract":"<div><div>Peritoneal Tuberculosis (TB) is an uncommon manifestation of a mycobacterial infection, typically observed in immunocompromised individuals and/or those residing in endemic regions. Usually, patients will contract pulmonary TB, which results in dissemination or reactivation of latent infection months to years following the initial infection. Here, we present a case of peritoneal TB diagnosed in an immunocompetent patient devoid of recent travel history and with negative pulmonary findings. This case highlights the importance of considering peritoneal TB in the differential diagnosis, even in immunocompetent individuals with no apparent risk factors, highlighting the complexity and variability of TB presentations.</div></div>","PeriodicalId":39211,"journal":{"name":"Clinical Microbiology Newsletter","volume":"50 ","pages":"Pages 7-10"},"PeriodicalIF":0.0,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143095470","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
Bilateral otitis media as an initial manifestation of disseminated tuberculosis disease in a patient with late HIV infection diagnosis 双侧中耳炎是一名晚期艾滋病毒感染患者播散性结核病的初期表现
Clinical Microbiology Newsletter Pub Date : 2024-11-07 DOI: 10.1016/j.clinmicnews.2024.10.004
Victoria Lobo-Antuña , Marta Lobo-Antuña , Juan Martínez-Andrés , Cristina Rodríguez-Prado , María Remedios Guna-Serrano , Atilio Navarro-Gonzales , Magdalena García-Rodríguez , Carmen Ricart-Olmos
{"title":"Bilateral otitis media as an initial manifestation of disseminated tuberculosis disease in a patient with late HIV infection diagnosis","authors":"Victoria Lobo-Antuña ,&nbsp;Marta Lobo-Antuña ,&nbsp;Juan Martínez-Andrés ,&nbsp;Cristina Rodríguez-Prado ,&nbsp;María Remedios Guna-Serrano ,&nbsp;Atilio Navarro-Gonzales ,&nbsp;Magdalena García-Rodríguez ,&nbsp;Carmen Ricart-Olmos","doi":"10.1016/j.clinmicnews.2024.10.004","DOIUrl":"10.1016/j.clinmicnews.2024.10.004","url":null,"abstract":"<div><div>Tuberculous otitis media is a rare form of extrapulmonary tuberculosis, often resulting in delayed diagnosis due to its nonspecific symptoms and low clinical suspicion. We present the case of a 29-year-old woman with initial symptoms of sudden speech impairment without other neurological manifestations. In the previous 3 months, the patient had consulted several times to the health care system due to bilateral otitis media, which did not improve with conventional treatments. Daily fever, diarrhea and weight loss were added to the picture. After admission to the Infectious Diseases department, she was diagnosed with advanced HIV infection and disseminated tuberculosis (TB) with pulmonary, intestinal, lymph node and otic involvement. This case underlines the complexity of diagnosing TB otitis media, especially in the context of HIV co-infection, and highlights the importance of routine HIV screening in patients with persistent, unexplained symptoms to facilitate early diagnosis and prevent complications.</div></div>","PeriodicalId":39211,"journal":{"name":"Clinical Microbiology Newsletter","volume":"50 ","pages":"Pages 1-6"},"PeriodicalIF":0.0,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142704208","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
Medically important alphaviruses in the United States and how to test for them 美国医学上重要的字母病毒及其检测方法
Clinical Microbiology Newsletter Pub Date : 2024-11-04 DOI: 10.1016/j.clinmicnews.2024.10.003
Allison R. Eberly
{"title":"Medically important alphaviruses in the United States and how to test for them","authors":"Allison R. Eberly","doi":"10.1016/j.clinmicnews.2024.10.003","DOIUrl":"10.1016/j.clinmicnews.2024.10.003","url":null,"abstract":"<div><div>Alphaviruses are arthropod-borne viruses (i.e. arboviruses) transmitted by mosquitos that are classically divided into two groups that infect humans: encephalitic and arthralgia-associated. While the encephalitic alphaviruses are primarily endemic in North and South America, alphaviruses associated with arthralgia are distributed globally. Given the overlapping clinical manifestations of alphaviruses with other arboviruses, diagnosis is dependent on both exposure history and laboratory testing. In the United States, diagnostic approaches largely rely on detection of host antibodies against these viruses via enzyme-linked immunosorbent assays (ELISAs) or indirect immunofluorescence assays (IFAs) in serum and/or cerebrospinal fluid. Positive results can be confirmed by plaque reduction neutralization testing (PRNT), which remains the reference standard method for anti-alphavirus antibody detection. Increasingly, select public health and reference laboratories are also offering molecular testing for certain alphaviruses, including chikungunya virus and Eastern equine encephalitis virus. Molecular testing, however, is most useful in acutely ill, viremic patients who present within the first week of symptom onset. There are no targeted antivirals for treatment, and prevention relies on protection from mosquito bites.</div></div>","PeriodicalId":39211,"journal":{"name":"Clinical Microbiology Newsletter","volume":"49 ","pages":"Pages 28-36"},"PeriodicalIF":0.0,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142701833","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
Current scenario and future prospect of scabies treatment: A comprehensive review 疥疮治疗的现状与前景：全面回顾
Clinical Microbiology Newsletter Pub Date : 2024-10-16 DOI: 10.1016/j.clinmicnews.2024.10.002
Nishan Hazra , Soutik Sarkar , Srijita Chakrabarti
{"title":"Current scenario and future prospect of scabies treatment: A comprehensive review","authors":"Nishan Hazra ,&nbsp;Soutik Sarkar ,&nbsp;Srijita Chakrabarti","doi":"10.1016/j.clinmicnews.2024.10.002","DOIUrl":"10.1016/j.clinmicnews.2024.10.002","url":null,"abstract":"<div><div>Scabies is a common skin condition, cause by the mite known as <em>Sarcoptes Scabiei</em>. Every year, 150–200 million people worldwide suffer from scabies. Small children are most vulnerable to scabies, which is most prevalent in congested, unsanitary living environments. It can transfer both directly from person to person and indirectly through contact with contaminated things. Scabies results in a highly irritating host immunological reaction. Impetigo and other secondary bacterial skin infections might result from scratching the wounds. It was officially classified as a neglected tropical illness by the World Health Organization in 2017. This review gives an overview of all the available therapy to treat scabies, and recent advancements in the management of scabies treatment in preclinical as well as clinical trials.</div></div>","PeriodicalId":39211,"journal":{"name":"Clinical Microbiology Newsletter","volume":"49 ","pages":"Pages 15-27"},"PeriodicalIF":0.0,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142534343","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
“Eye see worms on the down Loa”: A case study of microfilarial co-infection "眼见虫子下罗亚"：微丝蚴合并感染病例研究
Clinical Microbiology Newsletter Pub Date : 2024-10-10 DOI: 10.1016/j.clinmicnews.2024.10.001
Christopher George Kendra , Kevin Andrew Smith , Trina Trusty , Amber Ryan , Kenneth Gavina
{"title":"“Eye see worms on the down Loa”: A case study of microfilarial co-infection","authors":"Christopher George Kendra ,&nbsp;Kevin Andrew Smith ,&nbsp;Trina Trusty ,&nbsp;Amber Ryan ,&nbsp;Kenneth Gavina","doi":"10.1016/j.clinmicnews.2024.10.001","DOIUrl":"10.1016/j.clinmicnews.2024.10.001","url":null,"abstract":"<div><div><em>Loa loa</em> is an arthropod-transmitted filarial nematode, and one of four pathologically prevalent blood microfilaria associated with human infection. This case report describes an instance of a 41-year-old male diagnosed with <em>Loa loa</em> by peripheral blood smear and subsequently also diagnosed with <em>Onchocerca</em>. Here we describe the clinical course, diagnostic evaluation and treatment considerations when managing potential nematode co-infections. This case also highlights laboratory diagnosis strategies, treatment challenges, and emphasizes a differential diagnosis of chronic infections with neglected tropical infectious agents.</div></div>","PeriodicalId":39211,"journal":{"name":"Clinical Microbiology Newsletter","volume":"49 ","pages":"Pages 10-14"},"PeriodicalIF":0.0,"publicationDate":"2024-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142534344","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
General perspectives on dengue fever 关于登革热的一般观点
Clinical Microbiology Newsletter Pub Date : 2024-09-24 DOI: 10.1016/j.clinmicnews.2024.09.002
Oluwabunmi Bola Olajide , Joshua Seun Olajide , Olusanya Olasehinde
{"title":"General perspectives on dengue fever","authors":"Oluwabunmi Bola Olajide ,&nbsp;Joshua Seun Olajide ,&nbsp;Olusanya Olasehinde","doi":"10.1016/j.clinmicnews.2024.09.002","DOIUrl":"10.1016/j.clinmicnews.2024.09.002","url":null,"abstract":"<div><div>Dengue is the leading arboviral disease of major public health importance across the globe. Severe dengue causes bleeding and shock, and can be life threatening, terminating in death. There has been considerable success in vector territorial mapping, disease transmission process, diagnosis and molecular characterization of the virus. However, continuous sporadic outbreaks and re-emergence of dengue infections are common in recent time. Also, limited treatment options, weak host immune response in sequential infection, inadequate preventive measures in some areas and continual territorial expansion of the vectors are factors sustaining dengue transmission. In this review, we present an overview of dengue virus, disease predisposing factors, surveillance tools and control measures. In addition, we offer suggestions on future research direction to deepen the control efforts. Nonetheless, continual re-emergence of dengue requires redirection from antibody-dependent enhancement and the use of insecticides into environmentally favourable bio-control and molecular surveillance of the vector until effective vaccines are readily available.</div></div>","PeriodicalId":39211,"journal":{"name":"Clinical Microbiology Newsletter","volume":"49 ","pages":"Pages 1-9"},"PeriodicalIF":0.0,"publicationDate":"2024-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142426161","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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