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https://www.readbyqxmd.com/read/28350554/high-sensitivity-and-specificity-of-the-cepheid-xpert%C3%A2-hiv-1-qualitative-point-of-care-test-among-newborns-in-botswana
#1
Maryanne Ibrahim, Sikhulile Moyo, Terence Mohammed, Lucy Mupfumi, Simani Gaseitsiwe, Kenneth Maswabi, Gbolahan Ajibola, Rebecca Gelman, Oganne Batlang, Maureen Sakoi, Chloe Auletta-Young, Joseph Makhema, Shahin Lockman, Roger L Shapiro
BACKGROUND: HIV point-of-care (POC) testing allows for early infant HIV diagnosis and treatment, but POC accuracy at birth and in the setting of antiretroviral prophylaxis for the prevention of mother-to-child HIV transmission (MTCT) is unknown. METHODS: We evaluated the Cepheid Xpert® HIV-1 Qual POC test against the Roche Taqman HIV-1 PCR platform using dried blood spots from 15 HIV-infected and 75 HIV-exposed uninfected newborns. These infants were screened for HIV at <96 hours of life at 5 hospital maternity wards in Botswana; all infants received post-exposure antiretroviral prophylaxis (PEP) and most mothers received 3-drug antiretroviral therapy in pregnancy and at delivery...
March 24, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28346957/-a-young-asylum-seeker-with-hemoptysis-and-positive-tuberculosis-screening-not-always-tuberculosis
#2
T Stevens, S B Schwarz, F S Magnet, W Windisch
This paper reports on the case of a 19 year old asylum seeker from Eritrea who presented with hemoptysis, a positive tuberculosis screening (Enzyme Linked Immuno Spot Assay - EliSpot) and mushy faeces submitted with a suspected diagnosis of tuberculosis. Laboratory testing revealed thrombopenia, leukopenia and eosinophilia, while the chest X-ray was inconspicuous. Acid-proof rod bacteria were neither evident in bronchoscopy samples nor in expectorated sputum samples. However, sonographic findings showed a profound splenomegaly, and laboratory testing revealed a Schistosoma mansoni infection...
March 27, 2017: Pneumologie
https://www.readbyqxmd.com/read/28345791/trichoscopic-diagnosis-of-cutaneous-pelodera-strongyloides-infestation-in-a-dog
#3
Rareş G M Căpitan, Chiara Noli
BACKGROUND: Pelodera strongyloides infestation has rarely been reported in dogs. It is a saprophytic free-living nematode, found in moist decaying organic matter, whose L3 larval stages occasionally can invade the skin of dogs and humans. Larvae penetrate the follicular infundibula causing an erythematous and pruritic dermatitis. The disease is usually diagnosed by deep skin scraping or histopathology, with large numbers of parasites readily identified in hair follicles. CASE REPORT: Pelodera strongyloides dermatitis was diagnosed in a six-year-old mixed breed dog presenting with alopecia, erythema and severe pruritus on the ventrum and limbs...
March 27, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28345545/diagnostic-significance-of-mycobacterium-tuberculosis-t-cell-assays-for-active-tuberculosis
#4
Wei-Xia Xuan, Ting-Ting Lu, Zheng Wang, Yun-Xia An, Xiao-Ju Zhang
BACKGROUND: Active tuberculosis (TB) with negative results of sputum smear is difficult to be identified. Till now, there is no effective and noninvasive diagnostic method. This study evaluated the diagnostic power of Mycobacterium tuberculosis T-cell (T.SPOT®.TB) assays for active TB. METHODS: We retrospectively screened 450 suspected TB patients that were hospitalized in the Respiratory Department of Henan Province People's Hospital from June 2015 to June 2016...
April 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28343210/periodic-fever-aphthous-stomatitis-pharyngitis-and-cervical-adenitis-pfapa-syndrome-in-children
#5
Vira B Semianchuk
INTRODUCTION: Periodic fever, aphthous stomatitis, pharyngitis and cervical adenitis (PFAPA) syndrome refers to a group of primary immunodeficiencies, namely autoinflammatory diseases. Most pediatricians and otolaryngologists do not suspect PFAPA syndrome when treating recurrent pharyngitis (according to Ukrainian classification - tonsillitis) and stomatitis. Therefore, patients with a given syndrome receive unnecessary treatment (antibiotic therapy or antiviral drugs) and the diagnosis is made late...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28339447/chronic-localized-back-pain-due-to-posterior-cutaneous-nerve-entrapment-syndrome-pocnes-a-new-diagnosis
#6
Oliver B Boelens, Robert C Maatman, Marc R Scheltinga, Kees van Laarhoven, Rudi M Roumen
Most patients with chronic back pain suffer from degenerative thoracolumbovertebral disease. However, the following case illustrates that a localized peripheral nerve entrapment must be considered in the differential diagnosis of chronic back pain. We report the case of a 26-year-old woman with continuous excruciating pain in the lower back area. Previous treatment for nephroptosis was to no avail. On physical examination the pain was present in a 2 x 2 cm area overlying the twelfth rib some 4 cm lateral to the spinal process...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28339356/diagnostic-accuracy-of-musculoskeletal-ultrasound-and-conventional-radiography-in-the-assessment-of-the-wrist-triangular-fibrocartilage-complex-in-patients-with-definite-diagnosis-of-calcium-pyrophosphate-dihydrate-deposition-disease
#7
Andrea Di Matteo, Emilio Filippucci, Fausto Salaffi, Marina Carotti, Davide Carboni, Eleonora Di Donato, Walter Grassi
OBJECTIVES: To compare the diagnostic accuracy of musculoskeletal ultrasound (MSUS) and x-ray in evaluating wrist triangular fibrocartilage complex (TFCC) in patients with calcium pyrophosphate dihydrate deposition disease (CPPD) and to investigate the agreement between the extent of the calcium pyrophosphate dihydrate (CPP) crystal deposits assessed by MSUS and the radiographic findings. METHODS: We enrolled 84 patients: 36 patients with "definite" CPPD and 48 controls...
March 23, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28338425/assessing-the-reliability-of-performing-citywide-chronic-disease-surveillance-using-emergency-department-data-from-sentinel-hospitals
#8
David C Lee, Jordan L Swartz, Christian A Koziatek, Andrew J Vinson, Jessica K Athens, Stella S Yi
Given the inequalities in the distribution of disease burden, geographically detailed methods of disease surveillance are needed to identify local hot spots of chronic disease. However, few data sources include the patient-level addresses needed to perform these studies. Given that individual hospitals would have access to this geographically granular data, this study assessed the reliability of estimating chronic disease prevalence using emergency department surveillance at specific hospitals. Neighborhood-level diabetes, hypertension, and asthma prevalence were estimated using emergency claims data from each individual hospital in New York City from 2009-2012...
March 24, 2017: Population Health Management
https://www.readbyqxmd.com/read/28335406/factors-that-negatively-affect-the-prognosis-of-pediatric-community-acquired-pneumonia-in-district-hospital-in-tanzania
#9
Serena Caggiano, Nicola Ullmann, Elisa De Vitis, Marzia Trivelli, Chiara Mariani, Maria Podagrosi, Fabiana Ursitti, Chiara Bertolaso, Carolina Putotto, Marta Unolt, Andrea Pietravalle, Paola Pansa, Kajoro Mphayokulela, Maria Incoronata Lemmo, Michael Mkwambe, Joseph Kazaura, Marzia Duse, Francesco Nieddu, Chiara Azzari, Renato Cutrera
Community-acquired pneumonia (CAP) is still the most important cause of death in countries with scarce resources. All children (33 months ± 35 DS) discharged from the Pediatric Unit of Itigi Hospital, Tanzania, with a diagnosis of CAP from August 2014 to April 2015 were enrolled. Clinical data were gathered. Dried blood spot (DBS) samples for quantitative real-time polymerase chain reaction (PCR) for bacterial detection were collected in all 100 children included. Twenty-four percent of patients were identified with severe CAP and 11% died...
March 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28332299/the-use-of-on-line-sfe-sfc-ms-ms-to-analyze-disease-biomarkers-in-dried-serum-spots-compared-with-serum-analysis-using-lc-ms-ms
#10
Makoto Suzuki, Shin Nishiumi, Takashi Kobayashi, Arata Sakai, Yosuke Iwata, Takato Uchikata, Yoshihiro Izumi, Takeshi Azuma, Takeshi Bamba, Masaru Yoshida
RATIONALE: The analytical stability and throughput of biomarker assays based on dried serum spots (DSS) are strongly dependent on the extraction process and determination method. In the present study, an on-line system based on supercritical fluid extraction-supercritical fluid chromatography coupled with tandem mass spectrometry (SFE-SFC/MS/MS) was established for analyzing the levels of disease biomarkers in DSS. METHODS: The chromatographic conditions were investigated using the ODS-EP, diol, and SIL-100A columns...
March 23, 2017: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/28322027/rapid-differentiating-colorectal-cancer-and-colorectal-polyp-using-dried-blood-spot-mass-spectrometry-metabolomic-approach
#11
Yu Jing, Xue Wu, Peng Gao, Zhongze Fang, Jingjing Wu, Qingjun Wang, Chen Li, Zhitu Zhu, Yunfeng Cao
Colorectal cancer (CRC) is the third leading causes of cancer mortality, and the early-stage detection could significantly enhance survival rates. Cancer influences the important metabolic pathways and the changes in metabolite levels had been used in many studies as the potential biomarkers. This study is aimed at screening metabolite biomarkers with CRC diagnosis potentials. The direct infusion mass spectrometry (MS) metabolomic analysis based on dried blood spot was used to distinguish CRC from polyp. The target metabolites were composed of 23 amino acids and 26 acylcarnitines...
March 20, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28317812/evaluation-of-pulmonary-tuberculosis-case-detection-improvement-with-the-deployment-of-xpertmtb-rif-in-the-tuberculosis-control-program-of-cross-river-state-nigeria
#12
Ernest Afu Ochang, Ubleni E Emanghe, Atana Ewa, Akaninyene Otu, Jonah B Offor, Micheal Odo, Aniekan Etokidem, Barinadaa Afirima, Oju Eni Owuna, Sunday M Obeten, Martin M Meremikwu
OBJECTIVE/BACKGROUND: Global indices show that Nigeria has the highest tuberculosis (TB)-related mortality rate. Overdependence on Ziehl-Neelsen (ZN) smear microscopy for diagnosis and human immunodeficiency virus (HIV)/AIDS has limited control efforts. The new polymerase chain reaction-based XpertMTB/Rif (Cepheid Inc., CA, USA), which detects Mycobacterium tuberculosis and rifampicin resistance, was introduced in Cross River State in 2014. We evaluated the increment in pulmonary TB case detection following introduction of XpertMTB/Rif into the Cross River State TB control program...
January 2017: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28316991/interferon-gamma-release-assay-performance-of-cerebrospinal-fluid-and-peripheral-blood-in-tuberculous-meningitis-in-china
#13
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/28316794/periodontitis-as-a-possible-early-sign-of-diabetes-mellitus
#14
Wijnand J Teeuw, Madeline X F Kosho, Dennis C W Poland, Victor E A Gerdes, Bruno G Loos
OBJECTIVE: The early diagnosis of (pre)diabetes mellitus is essential for the prevention of diabetes complications. It has been suggested that gum disease (periodontitis) might be an early complication of diabetes and may be a useful risk indicator for diabetes screening. Therefore, a dental office could be a good location for screening for (pre)diabetes in patients with periodontitis using a validated glycated hemoglobin (HbA1c) dry spot analysis. RESEARCH DESIGN AND METHODS: A total of 313 individuals from a university dental clinic participated...
2017: BMJ Open Diabetes Research & Care
https://www.readbyqxmd.com/read/28315216/protein-microarray-based-ige-immunoassay-for-allergy-diagnosis
#15
Nuzul N Jambari, XiaoWei Wang, Marcos Alcocer
Protein microarray is a miniaturized multi-analyte, solid-phased immunoassay where thousands of immobilized individual protein spots on a microscopic slide bind are bound to specific antibodies (immunoglobulins) from serum samples, which are then detected by fluorescent labeling. The image processing and pattern recognition are then quantitatively analyzed using advanced algorithms. Here, we describe the use of an in-house-produced complex protein microarray containing extracts and pure proteins that has been probed with antibodies present in the horse sera and detection by fluorophore-conjugated antibody and data analysis...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28306597/diagnosis-of-viral-hepatitis
#16
Philippa J Easterbrook, Teri Roberts, Anita Sands, Rosanna Peeling
PURPOSE OF REVIEW: Chronic hepatitis B virus (HBV) and hepatitis C virus (HCV) infections and HIV-HBV and HCV coinfection are major causes of chronic liver disease worldwide. Testing and diagnosis is the gateway for access to both treatment and prevention services, but there remains a large burden of undiagnosed infection globally. We review the global epidemiology, key challenges in the current hepatitis testing response, new tools to support the hepatitis global response (2016-2020 Global Hepatitis Health Sector strategy, and 2017 WHO guidelines on hepatitis testing and their key recommendations) and future directions and innovations in hepatitis diagnostics...
March 16, 2017: Current Opinion in HIV and AIDS
https://www.readbyqxmd.com/read/28302238/gitelman-syndrome
#17
Qurat Ul Ain Mustafa, Zujaja Hina Haroon, Aamir Ijaz, Muhammad Tanveer Sajid, Muhammad Ayyub
Gitelman syndrome (GS) is the most frequently inherited renal salt-wasting tubulointerstitial disease. It follows variable but usually asymptomatic benign course. We present a rare case of GS that remained clinical enigma. A 22-year male presented with severe episodic fatigue involving all limbs associated with episodes of sinking, palpitations, salt craving, increased thirst and frequent micturition hampering his routine daily activities. Laboratory workup revealed serum potassium, 2.7 mmol/L, serum magnesium, 0...
March 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28302070/prevalence-and-incidence-of-smear-positive-pulmonary-tuberculosis-in-the-hetosa-district-of-arsi-zone-oromia-regional-state-of-central-ethiopia
#18
ShalloDaba Hamusse, Meaza Demissie, Dejene Teshome, Mohammed Suaudi Hassen, Bernt Lindtjørn
BACKGROUND: The real burden of smear-positive (PTB+) and bacteriologically confirmed tuberculosis (BCTB) in Ethiopia is not known. Thus, the aim of this community-based study was to measure the prevalence and incidence of tuberculosis in the Hetosa District of Oromia Region, Ethiopia. METHODS: First, a population-based cross-sectional survey was conducted on a total of 33,073 individuals aged ≥ 15 years to determine the prevalence of PTB+ and BCTB cases. Then, in order to determine the incidence, a prospective follow-up was carried out on 32,800 individuals found to be either free from symptoms suggestive of TB (SSTB) during the baseline survey or had symptoms suggestive of TB but yielded negative bacteriological examination results...
March 16, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28299660/etv6-runx1-acute-lymphoblastic-leukaemia-in-identical-twins
#19
Anthony M Ford, Mel Greaves
Acute leukaemia is the major subtype of paediatric cancer with a cumulative risk of 1 in 2000 for children up to the age of 15 years. Childhood acute lymphoblastic leukaemia (ALL) is a biologically and clinically diverse disease with distinctive subtypes; multiple chromosomal translocations exist within the subtypes and each carries its own prognostic relevance. The most common chromosome translocation observed is the t(12;21) that results in an in-frame fusion between the first five exons of ETV6 (TEL) and almost the entire coding region of RUNX1 (AML1)...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28298862/polycythemia-causing-posterior-segment-vascular-occlusions
#20
Suganeswari Ganesan, Rajiv Raman, Tarun Sharma
A 44-year-old male patient presented with features suggestive of transient central retinal artery occlusion (CRAO) followed by permanent CRAO and lateral posterior ciliary artery occlusion. He had diagnostic features of polycythemia vera (PV). When presented for the first time, the patient had features of ocular ischemia such as ocular pain, conjunctival congestion, and retinal opacification but with normal arm-to-retina time and normal arteriovenous transit time. During the second presentation, he had ocular pain, congested conjunctiva, retinal opacification, cherry red spot with box-carrying of retinal vessels, and choroidal infarct (Amalric's sign)...
January 2017: Oman Journal of Ophthalmology
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