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BACKGROUND Wide-area transepithelial sampling of the esophagus with computer-assisted three-dimensional analysis (WATS3D, CDx Diagnostics, Suffern, NY) is an adjunctive technique to random biopsies for early detection of Barrett's esophagus. The aim of the SAGES Technology and Value Assessment Committee aims is to evaluate the efficacy, value, and safety of WATS3D. METHODS Clinical studies involving WATS3D were identified via a search of the PubMed/Medline databases (www.ncbi.nlm.nih.gov/pubmed) conducted in March of 2019 using search terms, such as wide-area transepithelial sampling, three-dimensional (3D) computer-assisted analysis, WATS-3D, Barrett's esophagus and WATS-3D, Barrett's esophagus and wide-area transepithelial sampling with three-dimensional computer-assisted analysis, Barrett's esophagus, and emerging technology. Bibliographies of key references were searched for relevant studies not covered by the PubMed search. Case reports and small case series were excluded. RESULTS No significant morbidity or mortality was reported within the literature associated with the WATS3D technology. WATS3D increases diagnostic yield by 38-150% for Barrett's Esophagus, by 40-150% for Low Grade Dysplasia; and by 420% for High Grade Dysplasia; when compared to forceps biopsy alone. WATS3D technique has very high inter-observer agreement for the pathological diagnosis of non-dysplastic and dysplastic Barrett's Esophagus. Increased detection of pre-malignant diseases of the esophagus by the adjunctive use of WATS3D supports screening and surveillance by the adjunctive use of WATS3D during upper endoscopy in appropriate patients. CONCLUSION Wide-area transepithelial sampling with three-dimensional computer-assisted analysis (WATS3D, CDx Diagnostics) is a safe and effective adjunct to forcep biopsies in the evaluation of Barrett's Esophagus, Low Grade Dysplasia, and High Grade Dysplasia.Considering quality of life (QOL) after stroke, car driving is one of the most important abilities for returning to the community. In this study, directed attention and sustained attention, which are thought to be crucial for driving, were examined. Identification of specific brain structure abnormalities associated with post-stroke cognitive dysfunction related to driving ability would help in determining fitness for car driving after stroke. Magnetic resonance imaging was performed in 57 post-stroke patients (51 men; mean age, 63 ± 11 years) who were assessed for attention deficit using a standardized test (the Clinical Assessment for Attention, CAT), which includes a Continuous Performance Test (CPT)-simple version (CPT-SRT), the Behavioral Inattention Test (BIT), and a driving simulator (handle task for dividing attention, and simple and selective reaction times for sustained attention). A statistical non-parametric map (SnPM) that displayed the association between lesion location and cognitive function for car driving was created. From the SnPM analysis, the overlay plots were localized to the right hemisphere during handling the hit task for bilateral sides (left hemisphere damage related to right-side neglect and right hemisphere damage related to left-side neglect) and during simple and selective reaction times (false recognition was related to damage of both hemispheres). A stepwise multiple linear regression analysis confirmed the importance of both hemispheres, especially the right hemisphere, for cognitive function and car driving ability. The present study demonstrated that the right hemisphere has a crucial role for maintaining directed attention and sustained attention, which maintain car driving ability, improving QOL for stroke survivors.OBJECTIVE To outline the development and pilot testing of a patient counseling approach for individual sun protection for patients in outdoor professions diagnosed with squamous cell carcinoma or multiple actinic keratosis due to solar UV radiation. This is a secondary prevention measure as part of the standard procedure of patient care by the respective statutory accident insurance. METHODS Results of guideline-based qualitative interviews with seven outdoor workers and a search of literature formed the basis for the counseling approach, which was compiled in a manual. Interdisciplinary experts (dermatologists and educators) reviewed and consented the final manual. The pilot testing was conducted in consecutive steps (N1 = 36 patients and N1 = 2 counselors; N4 = 12 patients and N4 = 6 counselors). The first two stages of the revised guideline 'Criteria for Reporting the Development and Evaluation of Complex Interventions in healthcare (CReDECI 2)' serve as background and structure for presenting the results. RESULTS The 'counseling approach for individual sun protection (ILB Individuelle Lichtschutz-Beratung)' consists of seven general and eight add-on modules. These can be combined and tailored according to the patient's individual needs. Interactive, educational components (e.g. haptic experiments) are crucial elements of the counseling approach. CONCLUSIONS The special requirements of outdoor workers are hardly taken into consideration in Germany, even though the interest for an improved sun protection behavior of some occupational groups is high. The advantage of the presented approach is that the heterogeneous needs of patients can be specifically addressed with its various modules.An aptamer-based assay is presented for the determination of fumonisin B1 (FB1). https://www.selleckchem.com/products/PD-0325901.html It is bimodal in that both surface-enhanced Raman spectroscopy (SERS) and fluorometry are applied for quantitation. It makes use of platinum-coated gold nanorod (AuNR) and DNA sequences. The complementary DNA of aptamer (cDNA) against FB1 is immobilized on the surface of AuNR. The aptamer of FB1 modified with Cy5.5 are complementarily hybridized with cDNA. In the absence of FB1, the aptamer and its cDNA associate. In this situation, strong SERS and weak fluorescence signals are obtained. In the presence of FB1, the aptamer disassociates with its cDNA and binds the target. As the concentration of FB1 increases, the SERS and fluorescence signal intensities of the mixture are gradually decreased and increased, respectively. Under optimized conditions, the SERS signal at 1366 cm-1 decreases linearly in the 10-500 pg mL-1 concentration range with the calibration equation of y = 1997lgx-594 (the coefficient of determination is 0.998). The fluorescence signal at 670 nm increases linearly in the 10-250 pg mL-1 concentration range with the calibration equation of y = 500lgx-383 (the coefficient of determination is 0.
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