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Rapid diagnostic

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https://www.readbyqxmd.com/read/28319560/rash-diagnostics-an-update-on-the-diagnosis-of-allergic-rashes
#1
Corinne Savides Happel
PURPOSE OF REVIEW: The purpose of this review is to summarize recent research regarding the diagnosis of allergic rashes and to suggest future directions for the promotion of accurate diagnosis and endotype specification. RECENT FINDINGS: Multiple cohort studies demonstrate that with appropriate clinical evaluation, drug allergy labels can be removed in up to 90% of cases. Genetic tests can predict severe adverse cutaneous drug reactions in some cases and in vitro tests are being sought to identify causative drugs in others...
March 17, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28319139/identification-of-cell-morphology-parameters-from-automatic-hematology-analyzers-to-predict-the-peripheral-blood-cd34-positive-cell-count-after-mobilization
#2
Saeam Shin, Sung Ran Cho, Sinyoung Kim, Jong Rak Choi, Kyung-A Lee
Optimal timing of apheresis initiation is important for maximizing the hematopoietic stem cell (HSC) yield. This study aimed to identify useful parameters from automatic hematology analyzers for predicting the peripheral blood CD34+ cell count after mobilization. We prospectively enrolled 53 healthy donors and 72 patients, and evaluated 43 cell morphology parameters from Unicel DxH800 (Beckman Coulter, USA) and Advia 2120i (Siemens Healthcare Diagnostics, USA). The correlation of each parameter with the CD34+ cell count in pre-apheresis blood samples was analyzed...
2017: PloS One
https://www.readbyqxmd.com/read/28318383/detection-of-brucellosis-in-sika-deer-cervus-nippon-through-loop-mediated-isothermal-amplification-lamp
#3
Qianhong Liu, Jie Wei, Qingsong Sun, Ben Wang, Yuting Wang, Ying Hu, Wenrong Wu
Brucellosis (Brucella bovis) in sika deer ( Cervus nippon ) can cause enormous losses to stag breeding, especially in areas in which stag breeding has become an important industry. It also poses a threat to humans because it is a zoonotic disease. Use of the loop-mediated isothermal amplification (LAMP) assay has been poorly described in the diagnosis of brucellosis in deer. We developed a LAMP assay targeting the omp25 gene sequence to detect brucellosis (Brucella bovis) in sika deer. The reaction can be completed in 60 min at 63 C and, with a detection limit of 17 pg, it was more sensitive than conventional PCR, with its detection limit of 1...
March 20, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/28318230/label-free-discovery-array-platform-for-the-characterization-of-glycan-binding-proteins-and-glycoproteins
#4
Christopher John Gray, Antonio Sánchez-Ruiz, Ivana Šardzíková, Yassir A Ahmed, Rebecca Louise Miller, Juana E Reyes Martinez, Edward Pallister, Kun Huang, Peter Both, Mirja Hartmann, Hannah N Roberts, Robert Šardzik, Santanu Mandal, Jeremy E Turnbull, Claire E Eyers, Sabine L Flitsch
The identification of carbohydrate-protein interactions is central to our understanding of the roles of cell-surface carbohydrates (the glycocalyx), fundamental for cell-recognition events. Therefore there is a need for fast high-throughput biochemical tools to capture the complexity of these biological interactions. Here we describe a rapid method for qualitative label-free detection of carbohydrate-protein interactions on arrays of simple synthetic glycans, more com-plex natural glycosaminoglycans (GAG) and lectins/carbohydrate binding proteins using MALDI-ToF mass spectrometry...
March 20, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28317856/a-smartphone-based-diagnostic-platform-for-rapid-detection-of-zika-chikungunya-and-dengue-viruses
#5
Aashish Priye, Sara W Bird, Yooli K Light, Cameron S Ball, Oscar A Negrete, Robert J Meagher
Current multiplexed diagnostics for Zika, dengue, and chikungunya viruses are situated outside the intersection of affordability, high performance, and suitability for use at the point-of-care in resource-limited settings. Consequently, insufficient diagnostic capabilities are a key limitation facing current Zika outbreak management strategies. Here we demonstrate highly sensitive and specific detection of Zika, chikungunya, and dengue viruses by coupling reverse-transcription loop-mediated isothermal amplification (RT-LAMP) with our recently developed quenching of unincorporated amplification signal reporters (QUASR) technique...
March 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28317491/predictive-value-of-the-leukocyte-esterase-test-for-the-detection-of-pleocytosis-in-cerebrospinal-fluid
#6
Shervin Shokouhi, Ilad Alavi Darazam, Mehdi Karamipour, HasanAli Ahmadi, Mohammad M Sajadi
BACKGROUND: Rapid and accurate diagnostic tests for patients with suspected bacterial meningitis is crucial to prevent subsequent mortality and morbidity. We carried out this study to determine diagnostic value of the rapid leukocyte esterase (LE) strip test to identify PMN pleocytosis in cerebral spinal fluid. METHODS: A total of 126 patients with suspected meningitis were enrolled in this prospective study. Microscopic examination (cell count and differential) and leukocyte esterase (LE) rapid strip test was performed on cerebrospinal fluid (CSF) samples...
March 17, 2017: Infectious Disorders Drug Targets
https://www.readbyqxmd.com/read/28316991/interferon-gamma-release-assay-performance-of-cerebrospinal-fluid-and-peripheral-blood-in-tuberculous-meningitis-in-china
#7
Liping Pan, Fei Liu, Jinli Zhang, Xinting Yang, Shiqi Zheng, Jing Li, Hongyan Jia, Xiaoyou Chen, Mengqiu Gao, Zongde Zhang
The aim of this study was to examine the performance of T-SPOT.TB on cerebrospinal fluid (CSF) and peripheral blood (PB) in diagnosis of tuberculous meningitis (TBM) in China. Of 100 patients with presumed TBM prospectively enrolled from Sep 2012 to Oct 2014, 53 were TBM (21 definite and 32 probable TBM cases) and 37 were non-TBM cases; the other 10 patients were excluded from analysis due to inconclusive diagnosis, no sufficient CSF samples, or incomplete follow-up. T-SPOT.TB on CSF and PB and routine laboratory tests of CSF were performed simultaneously...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28316870/dural-arteriovenous-fistula-manifested-as-rapid-progressive-dementia-successfully-treated-by-endovascular-embolization-only
#8
Heewon Hwang, Yun Kyung La, Min Seok Baek, Kyoungwon Baik, Sang Hyun Suh, Won-Joo Kim
A 43-year-old male presented with daytime sleepiness at work and indifferent behavior like never before. Two weeks prior to hospital admission, he had episodic memory loss with well preserved remote memory. Brain MRI showed a dural arteriovenous fistula (DAVF) in the right lateral transverse sinus with a bilateral thalamic venous infarction. Cerebral angiography confirmed a right transverse sigmoid dural arteriovenous fistula with a feeding artery of the right occipital artery and left posterior meningeal artery...
March 2017: Neurointervention
https://www.readbyqxmd.com/read/28315728/can-ambulance-telephone-triage-using-nhs-pathways-accurately-identify-paediatric-cardiac-arrest
#9
Charles D Deakin, Simon England, Debbie Diffey, Ian Maconochie
BACKGROUND: Most out-of-hospital paediatric cardiac arrests (CA) are not identified until a call is made to the emergency medical services. Accurate identification increases overall survival by enabling immediate ambulance dispatch and delivery of bystander CPR. European ambulance services use a variety of didactic telephone scripts to interrogate the caller and rapidly identify paediatric CA. The performance of these scripts has not been reported. This study aims to evaluate the diagnostic accuracy of the NHS Pathways as a telephone triage tool to identify patients less than 16 years age in cardiac arrest...
March 15, 2017: Resuscitation
https://www.readbyqxmd.com/read/28315694/incorporation-of-autopsy-case-based-learning-into-phd-graduate-education-a-novel-approach-to-bridging-the-bench-to-bedside-gap
#10
Erin G Brooks, Joanne M Thornton, Erik A Ranheim, Zsuzsanna Fabry
Given the current rapid expansion of biological knowledge and the challenges of translating that knowledge into clinical practice, finding effective methods of teaching graduate students clinical medicine concepts has become even more critical. The utility of autopsy in medical student and resident education has been well-established. Multiple studies have reported it to be a helpful means of teaching anatomy, pathophysiology, clinical problem-solving skills, and medical diagnostic techniques. While various models of training Ph...
March 15, 2017: Human Pathology
https://www.readbyqxmd.com/read/28315128/rapid-influenza-diagnostic-tests-improve-suitability-of-antiviral-treatment-in-hospitalized-children
#11
Aneta Nitsch-Osuch, Ernest Kuchar, Izabela Gołębiak, Krzysztof Kanecki, Patryk Tarka, Lidia Brydak
Influenza may have a complicated course in young children. The aim of the study was to analyze the suitability of influenza treatment among children younger than 5 years hospitalized due to an influenza-like illness. We conducted a comparison of the treatment among children hospitalized in two consecutive years: 2015, when no rapid influenza diagnostic tests (RIDT) were in use, and 2016, when RIDT were implemented into a routine practice in the pediatric ward. In both seasons, nasopharyngeal swabs were collected and examined with real time qRT-PCR...
March 18, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28314945/precision-diabetes-learning-from-monogenic-diabetes
#12
REVIEW
Andrew T Hattersley, Kashyap A Patel
The precision medicine approach of tailoring treatment to the individual characteristics of each patient or subgroup has been a great success in monogenic diabetes subtypes, MODY and neonatal diabetes. This review examines what has led to the success of a precision medicine approach in monogenic diabetes (precision diabetes) and outlines possible implications for type 2 diabetes. For monogenic diabetes, the molecular genetics can define discrete aetiological subtypes that have profound implications on diabetes treatment and can predict future development of associated clinical features, allowing early preventative or supportive treatment...
March 17, 2017: Diabetologia
https://www.readbyqxmd.com/read/28314940/diagnostic-accuracy-of-rem-sleep-behaviour-disorder-screening-questionnaire-a-meta-analysis
#13
Kai Li, Shu-Hua Li, Wen Su, Hai-Bo Chen
A screening tool can greatly facilitate the identification of individuals with rapid eye movement (REM) sleep behaviour disorder (RBD). Currently, the REM sleep behaviour disorder screening questionnaire (RBDSQ) is widely used, but its diagnostic accuracy has varied across previous studies. The aim of the present study was to systematically assess the diagnostic performance of the RBDSQ. We comprehensively searched for studies that evaluated the diagnostic performance of the RBDSQ. A bivariate mixed-effects model was used to summarize the diagnostic accuracy of the RBDSQ...
March 17, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28306602/cure-rate-of-fungal-keratitis-with-antibacterial-therapy
#14
Alice Y Matoba, Ryan Barrett, Anna E Lehmann
PURPOSE: To study the cure rate of fungal keratitis with moxifloxacin 0.3% monotherapy. METHODS: A retrospective review of patients with culture-proven fungal keratitis who initially received moxifloxacin 0.3% monotherapy was performed. RESULTS: Eleven patients with culture-proven fungal keratitis were initially treated with moxifloxacin. One case each of Curvularia and Alternaria keratitis resolved with moxifloxacin monotherapy (18%). CONCLUSIONS: Moxifloxacin may have a significant clinical therapeutic effect in a subset of patients with fungal keratitis...
March 16, 2017: Cornea
https://www.readbyqxmd.com/read/28304032/facile-synthesis-of-chlorin-bioconjugates-by-a-series-of-click-reactions
#15
Junior Gonzales, N V S Dinesh K Bhupathiraju, William Perea, Huong Chu, Naxhije Berisha, Veronica Bueno, Naser Dodic, Julia Rozenberg, Nancy L Greenbaum, Charles Michael Drain
A multifunctional chlorin platform appended with four short polyethylene glycols and a carboxylate-linker allows rapid conjugation to biotargeting motifs such as proteins and oligonucleotides. The stability and photophysical properties of the chlorin enable development of diagnostics, imaging, molecular tracking, and theranostics.
March 17, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28303912/new-technologies-for-the-assessment-of-neuropathies
#16
REVIEW
Roberto Gasparotti, Luca Padua, Chiara Briani, Giuseppe Lauria
Technical advances are rapidly changing the clinical and instrumental approach to peripheral nerve diseases. Magnetic resonance neurography, diffusion tensor imaging and nerve ultrasonography are increasingly entering the diagnostic workup of peripheral neuropathies as tools that complement neurophysiology and enable investigation of proximal structures, such as plexuses and roots. Progress in the design of magnetic resonance scanners and sequences, and the development of high-frequency ultrasound probes mean that high-resolution peripheral nerve imaging is possible, enabling detailed examination of nerve size, morphology and internal fascicular structure that can integrate nerve conduction studies into clinical practice...
March 17, 2017: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/28303911/comorbidity-in-multiple-sclerosis-implications-for-patient-care
#17
REVIEW
Ruth Ann Marrie
Most efforts aimed at understanding the notable heterogeneity of outcomes in multiple sclerosis (MS) have focused on disease-specific factors, such as symptoms at initial presentation, initial relapse rate, and age at symptom onset. These factors, however, explain relatively little of the heterogeneity of disease outcomes. Owing to the high prevalence of comorbidity in MS and the potential for its prevention or treatment, comorbidity is of rising interest as a factor that could explain the heterogeneity of outcomes...
March 17, 2017: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/28303825/evaluation-of-loop-mediated-isothermal-amplification-assay-for-rapid-diagnosis-of-acanthamoeba-keratitis
#18
Abhishek Mewara, Sumeeta Khurana, Shakila Yoonus, Kirti Megha, Parveen Tanwar, Amit Gupta, Rakesh Sehgal
BACKGROUND: The clinical features of Acanthamoeba keratitis (AK) are non-specific and closely resemble bacterial, viral and fungal keratitis. MATERIALS AND METHODS: We compared loop-mediated isothermal amplification (LAMP) with microscopy, non-nutrient agar (NNA) culture and polymerase chain reaction (PCR) in clinical suspects of AK. RESULTS: Of 52 clinical samples (42 AK suspects and 10 proven bacterial, viral or fungal keratitis), 3 were positive by direct microscopy (sensitivity 60%, confidence interval [CI]: 17%-92...
January 2017: Indian Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28303824/matrix-assisted-laser-desorption-ionisation-time-of-flight-mass-spectrometry-rapid-detection-of-carbapenamase-activity-in-acinetobacter-baumannii-isolates
#19
Noha Abouseada, May Raouf, Eman El-Attar, Pacinte Moez
INTRODUCTION: Carbapenamase-producing Acinetobacter baumannii are an increasing threat in hospitals and Intensive Care Units. Accurate and rapid detection of carbapenamase producers has a great impact on patient improvement and aids in implementation of infection control measures. AIM: In this study, we describe the use of matrix-assisted laser desorption ionisation time-of-flight mass spectrometry (MALDI TOF MS) to identify carbapenamase-producing A. baumannii isolates in up to 3 h...
January 2017: Indian Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28303763/case-report-of-nivolumab-related-pneumonitis
#20
Kohei Tada, Yasuyuki Kurihara, Tomohiro Myojo, Fumitsugu Kojima, Yuya Ishikawa, Nobuyuki Yoshiyasu, Masaya Morimoto, Reiko Ito, Ryosuke Koyamada, Takuya Yamashita, Toru Bando, Shinichiro Mori, Yuji Heike
We report a case with suggestive antiprogrammed death-1 inhibitor-related pneumonitis in an endometrial cancer patient. This case presented with fever and cough after three dosages of nivolumab. Computed tomography initially showed centrilobular nodularities in a unilateral lung, which was compatible with aspiration pneumonia. However, diffuse ground-glass opacities (GGO) rapidly developed in the unilateral lung over 4 days despite the use of broad-spectrum antibiotics. Development of GGO was considered to be related to a nivolumab-mediated immune reaction...
March 2017: Immunotherapy
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