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https://www.readbyqxmd.com/read/28548485/clinically-relevant-detection-of-streptococcus-pneumoniae-with-dna-antibody-nanostructures
#1
Jinping Wang, May Ching Leong, Eric Zhewei Leong, Win Sen Kuan, David T Leong
Streptococcus pneumoniae (SP) is a pathogenic bacterium and a major cause of community-acquired pneumonia that could be fatal if left untreated. Therefore, rapid and sensitive detection of SP is crucial to enable targeted treatment during SP infections. In this study, DNA tetrahedron (DNA TH) with a hollow structure is anchored on gold electrodes to construct an electrochemical immunosensor for rapid detection of pneumococcal surface protein A (PspA) peptide and SP lysate from synthetic and actual human samples...
May 26, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28542123/malaria-surveillance-united-states-2014
#2
Kimberly E Mace, Paul M Arguin
PROBLEM/CONDITION: Malaria in humans is caused by intraerythrocytic protozoa of the genus Plasmodium. These parasites are transmitted by the bite of an infective female Anopheles mosquito. The majority of malaria infections in the United States occur among persons who have traveled to regions with ongoing malaria transmission. However, malaria is occasionally acquired by persons who have not traveled out of the country through exposure to infected blood products, congenital transmission, laboratory exposure, or local mosquitoborne transmission...
May 26, 2017: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/28535809/safety-and-tolerability-of-adjunctive-rosiglitazone-treatment-for-children-with-uncomplicated-malaria
#3
Rosauro Varo, Valerie M Crowley, Antonio Sitoe, Lola Madrid, Lena Serghides, Rubao Bila, Helio Mucavele, Alfredo Mayor, Quique Bassat, Kevin C Kain
BACKGROUND: Despite the widespread use and availability of rapidly acting anti-malarials, the fatality rate of severe malaria in sub-Saharan Africa remains high. Adjunctive therapies that target the host response to malaria infection may further decrease mortality over that of anti-malarial agents alone. Peroxisome proliferator-activated receptor-gamma agonists (e.g. rosiglitazone) have been shown to act on several pathways implicated in the pathogenesis of severe malaria and may improve clinical outcome as an adjunctive intervention...
May 23, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28529886/disseminated-mycobacterium-abscessus-infection-in-a-peritoneal-dialysis-patient
#4
Vincent H J F Mooren, Michiel W P Bleeker, Jakko van Ingen, Mirjam H A Hermans, Peter C Wever
A disseminated peritoneal dialysis-related Mycobacterium abscessus infection is very rare. M. abscessus belongs to the rapidly growing mycobacteria and can be misidentified as a diphtheroid bacterium, which in our case delayed diagnosis and optimal treatment. Due to intrinsic resistance to most antimicrobials, therapeutic options in M. abscessus infections are limited. Infection often leads to catheter loss. A fatal outcome, like in our case, is not exceptional.
2017: IDCases
https://www.readbyqxmd.com/read/28529091/pseudomonas-aeruginosa-bacteraemia-in-patients-with-hematologic-malignancies-risk-factors-treatment-and-outcome
#5
Polydoros Tofas, Michael Samarkos, Evangelia-Theophano Piperaki, Christos Kosmidis, Ioanna-Dionysia Triantafyllopoulou, Maria Kotsopoulou, Aggeliki Pantazatou, Stavroula Perlorentzou, Anastasia Poulli, Maria Vagia, George L Daikos
Our aims were to identify factors associated with Pseudomonas aeruginosa (PA) bloodstream infection (BSI) in patients with hematological malignancies and evaluate the outcome of the affected patients. Consecutive patients with hematological malignancies who developed PA BSI were identified. Subsequently, two case-control studies were performed to evaluate the risk factors (i) for PA BSI and (ii) for carbapenem resistant (CR) PA BSI. Patients' outcome was evaluated at 28 days after the onset of bacteraemia. A total of 64 patients with PA BSI (45 caused by CS and 19 by CR organisms) and 128 without PA BSI were enrolled...
May 11, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28523894/primary-cutaneous-mucormycosis-in-an-extremely-preterm-infant-successfully-treated-with-liposomal-amphotericin-b
#6
Christopher D Lowe, Rebecca J Sainato, David R Stagliano, Maribel M Morgan, Brian P Green
Cutaneous mucormycosis is a rare but often fatal invasive fungal infection that occurs most commonly in patients with diabetes, malignancy, and other immunocompromising conditions. We report an extremely preterm (<28 weeks) baby boy who developed polymicrobial sepsis and primary cutaneous mucormycosis within his first 10 days of life. He was successfully treated with medical management alone since he was not a candidate for surgery. Successful treatment of cutaneous mucormycosis without surgical debridement has been reported on only two other occasions...
May 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28518032/isolated-case-of-marburg-virus-disease-kampala-uganda-2014
#7
Luke Nyakarahuka, Joseph Ojwang, Alex Tumusiime, Stephen Balinandi, Shannon Whitmer, Simon Kyazze, Sam Kasozi, Milton Wetaka, Issa Makumbi, Melissa Dahlke, Jeff Borchert, Julius Lutwama, Ute Ströher, Pierre E Rollin, Stuart T Nichol, Trevor R Shoemaker
In September 2014, a single fatal case of Marburg virus was identified in a healthcare worker in Kampala, Uganda. The source of infection was not identified, and no secondary cases were identified. We describe the rapid identification, laboratory diagnosis, and case investigation of the third Marburg virus outbreak in Uganda.
June 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28493859/recommendations-of-the-advisory-committee-on-immunization-practices-for-use-of-cholera-vaccine
#8
Karen K Wong, Erin Burdette, Barbara E Mahon, Eric D Mintz, Edward T Ryan, Arthur L Reingold
Cholera, caused by infection with toxigenic Vibrio cholerae bacteria of serogroup O1 (>99% of global cases) or O139, is characterized by watery diarrhea that can be severe and rapidly fatal without prompt rehydration. Cholera is endemic in approximately 60 countries and causes epidemics as well. Globally, cholera results in an estimated 2.9 million cases of disease and 95,000 deaths annually (1). Cholera is rare in the United States, and most U.S. cases occur among travelers to countries where cholera is endemic or epidemic...
May 12, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28481911/adenovirus-vectored-novel-african-swine-fever-virus-antigens-elicit-robust-immune-responses-in-swine
#9
Shehnaz Lokhandwala, Suryakant D Waghela, Jocelyn Bray, Neha Sangewar, Chloe Charendoff, Cameron L Martin, Wisam S Hassan, Tsvetoslav Koynarski, Lindsay Gabbert, Thomas G Burrage, David Brake, John Neilan, Waithaka Mwangi
African Swine Fever Virus (ASFV) is a high-consequence transboundary animal pathogen that often causes hemorrhagic disease in swine with a case fatality rate close to 100%. Lack of treatment or vaccine for the disease makes it imperative that safe and efficacious vaccines are developed to safeguard the swine industry. In this study, we evaluated the immunogenicity of seven adenovirus-vectored novel ASFV antigens, namely A151R, B119L, B602L, EP402RΔPRR, B438L, K205R and A104R. Immunization of commercial swine with a cocktail of the recombinant adenoviruses formulated in adjuvant primed strong ASFV antigen-specific IgG responses that underwent rapid recall upon boost...
2017: PloS One
https://www.readbyqxmd.com/read/28480291/fatal-eastern-equine-encephalitis-in-a-patient-on-maintenance-rituximab-a-case-report
#10
Isaac H Solomon, Pedro D S C Ciarlini, Sandro Santagata, Asim A Ahmed, Umberto De Girolami, Sashank Prasad, Shibani S Mukerji
A 63-year-old woman on rituximab maintenance for follicular lymphoma presented with headaches, vomiting, and fever, and was diagnosed with eastern equine encephalomyelitis by cerebrospinal fluid polymerase chain reaction. Eastern equine encephalomyelitis immunoglobulin (Ig)G/IgM remained negative due to rituximab treatment, and magnetic resonance imaging showed minimal abnormalities, making this a diagnostically challenging case. Despite therapy with intravenous Ig, the patient rapidly declined and died on hospital day 12...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28480101/cervical-necrotizing-fasciitis-a-potentially-fatal-disease-with-varied-etiology
#11
T O Abdurrazaq, A A Ibikunle, R O Braimah
Necrotizing fasciitis was recognized centuries ago by physicians. It is a rapidly progressive and potentially fatal soft-tissue infection that is typified by soft-tissue necrosis, especially affecting the subcutaneous tissues and fascia. Cervico-facial necrotizing fasciitis is said to be uncommon, but when it occurs, it is often of odontogenic origin and has severe consequences if not promptly treated. Possible underlying systemic diseases and the source of infection should be addressed and treated appropriately...
July 2016: Annals of Medical and Health Sciences Research
https://www.readbyqxmd.com/read/28479922/laboratory-diagnosis-of-malaria-comparison-of-manual-and-automated-diagnostic-tests
#12
Samina Naz Mukry, Madiha Saud, Gul Sufaida, Kashif Shaikh, Arshi Naz, Tahir Sultan Shamsi
Malaria is the second most prevalent disease in Pakistan resulting in ~30,000 annual deaths. In endemic countries like Pakistan precise and timely diagnosis of malaria is imperative to overcome the associated risks of fatal outcomes. Malarial parasite was screened in 128 malaria suspected patients and 150 healthy controls, by species-specific PCR, microscopy of blood smears, hemoanalyzer Sysmex XE-2100, and rapid test devices (First Response Malaria® and ICT Malaria Combo®). The microscopy detected MP in 126 samples (parasite load/µl 386-53712/µl); 71...
2017: Canadian Journal of Infectious Diseases & Medical Microbiology
https://www.readbyqxmd.com/read/28479903/post-transplant-withdrawal-of-lamivudine-results-in-fatal-hepatitis-flares-in-kidney-transplant-recipients-under-immune-suppression-with-inactive-hepatitis-b-infection
#13
Bin Miao, Xiang-Ming Lao, Guo-Li Lin
OBJECTIVE: To evaluate the consequences of lamivudine withdrawal in kidney transplant recipients, under immunosuppression, with inactive hepatitis B virus (HBV) infection. INTRODUCTION: HBV infection is more frequent in kidney transplant recipients than in the general population mainly due to the high risk of acquisition during dialysis, before kidney transplantation. METHODS: The records of hepatitis B surface antigen (HBsAg)-positive, immunosuppressed kidney transplant recipients, where lamivudine was withdrawn after transplantation along with reduction in immunosuppressant dose, admitted to our hospital between 2005 and 2012, were retrospectively evaluated...
December 2016: African Health Sciences
https://www.readbyqxmd.com/read/28473817/comprehensive-diagnosis-of-bacterial-infection-associated-with-acute-cholecystitis-using-metagenomic-approach
#14
Manabu Kujiraoka, Makoto Kuroda, Koji Asai, Tsuyoshi Sekizuka, Kengo Kato, Manabu Watanabe, Hiroshi Matsukiyo, Tomoaki Saito, Tomotaka Ishii, Natsuya Katada, Yoshihisa Saida, Shinya Kusachi
Acute cholecystitis (AC), which is strongly associated with retrograde bacterial infection, is an inflammatory disease that can be fatal if inappropriately treated. Currently, bacterial culture testing, which is basically recommended to detect the etiological agent, is a time-consuming (4-6 days), non-comprehensive approach. To rapidly detect a potential pathogen and predict its antimicrobial susceptibility, we undertook a metagenomic approach to characterize the bacterial infection associated with AC. Six patients (P1-P6) who underwent cholecystectomy for AC were enrolled in this study...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28466096/pathogenic-human-coronavirus-infections-causes-and-consequences-of-cytokine-storm-and-immunopathology
#15
REVIEW
Rudragouda Channappanavar, Stanley Perlman
Human coronaviruses (hCoVs) can be divided into low pathogenic and highly pathogenic coronaviruses. The low pathogenic CoVs infect the upper respiratory tract and cause mild, cold-like respiratory illness. In contrast, highly pathogenic hCoVs such as severe acute respiratory syndrome CoV (SARS-CoV) and Middle East respiratory syndrome CoV (MERS-CoV) predominantly infect lower airways and cause fatal pneumonia. Severe pneumonia caused by pathogenic hCoVs is often associated with rapid virus replication, massive inflammatory cell infiltration and elevated pro-inflammatory cytokine/chemokine responses resulting in acute lung injury (ALI), and acute respiratory distress syndrome (ARDS)...
May 2, 2017: Seminars in Immunopathology
https://www.readbyqxmd.com/read/28458862/cutaneous-mucormycosis-in-an-immunocompromised-patient-a-case-report
#16
Arul E Suthananthan, Sharnice A Koek, Kishore Sieunarine
Mucormycosis is a rare and highly aggressive fungal infection, with a potential to reach its fulminant phase rapidly. We report a case of a 73-year-old immunocompromised vasculopath with cutaneous mucormycosis. The disease resulted in eventual death despite aggressive surgical debridement, revascularization of his limb and amphotericin-B. This case highlights the need to recognize this disease early as a differential of a necrotic ulcer, to prevent a potentially avoidable fatality.
March 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28458494/rhinocerebral-mucormycosis-report-of-a-rare-case
#17
Richa Sahota, Ramandeep Gambhir, Samir Anand, Avani Dixit
BACKGROUND: Mucormycosis is one of the rapidly progressing and lethal form of fungal infection which involves the nose and paranasal sinuses of the head and the neck regions. Mucormycosis also remains a threat to patients with uncontrolled diabetes or other predisposing systemic conditions. It manifests as rhinocerebral, pulmonary, gastrointestinal, cutaneous or disseminated form. The underlying conditions can influence clinical presentation and often delay diagnosis, with resultant poor outcomes...
January 2017: Ethiopian Journal of Health Sciences
https://www.readbyqxmd.com/read/28457424/what-can-we-do-when-all-collapses-fatal-outcome-of-collapsing-glomerulopathy-and-systemic-lupus-erythematosus-with-diffuse-alveolar-hemorrhage-case-report
#18
H Pinto, R Leal, L Rodrigues, L Santos, C Romãozinho, F Macário, R Alves, J Pratas, V Sousa, C Marinho, L Prado E Castro, F Costa, M Campos, A Mota, A Figueiredo
INTRODUCTION: Collapsing glomerulopathy (CG) is a rare form of glomerular injury. Although commonly associated with human immunodeficiency virus (HIV) infection, it can occur in association with systemic lupus erythematosus (SLE). CASE REPORT: We present the case of a 50-year-old man, with chronic kidney disease secondary to focal and segmental glomerulosclerosis, who received a cadaveric kidney transplant in 2007. There were no relevant intercurrences until May 2015, when he presented with nephrotic range proteinuria (± 4 g/d)...
May 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28453853/single-molecule-sequencing-revealing-the-presence-of-distinct-jc-polyomavirus-populations-in-patients-with-progressive-multifocal-leukoencephalopathy
#19
Hanna Seppälä, Elina Virtanen, Mika Saarela, Pia Laine, Lars Paulín, Laura Mannonen, Petri Auvinen, Eeva Auvinen
Background.: Progressive multifocal leukoencephalopathy (PML) is a fatal disease caused by reactivation of JC polyomavirus (JCPyV) in immunosuppressed individuals and lytic infection by neurotropic JCPyV in glial cells. The exact content of neurotropic mutations within individual JCPyV strains has not been studied to our knowledge. Methods.: We exploited the capacity of single-molecule real-time sequencing technology to determine the sequence of complete JCPyV genomes in single reads...
March 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28450941/rapidly-progressive-rhino-orbito-cerebral-mucormycosis-in-a-patient-with-type-2-diabetes-a-case-report
#20
Yan-Xia Chen, Yin-Xi He, Hong Zhou, Mian Wang, Sheng-Ou Su
With the ongoing economic development, lifestyle changes and an aging population, diabetes mellitus has be come one of the most prevalent chronic diseases in the world. Rhino-orbito-cerebral (ROC) mucormycosis is a rare, acute and angioinvasive fungal infection that can be fatal. Mucormycosis occurs exclusively in immunocompromised patients with diabetes mellitus and other types of immunodeficiency and has three subtypes: Rhino-maxillary, rhino-orbital and ROC mucormycosis. The present study reported on a case of ROC mucormycosis in a patient with diabetic ketoacidosis...
March 2017: Experimental and Therapeutic Medicine
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