A new approach to the design of time windows is presented for detection of transient-evoked otoacoustic emissions (TEOAE). The windows are designed with reference to a minimum mean square error criterion involving the correlation properties of the ensemble of responses. Latency information is introduced in the detection process by windowing at different scales that result from wavelet decomposition. The significance of both subject- and population-specific time windows is investigated. The detection performance is evaluated on a health screen database consisting of 4989 records. The results show that the present approach to windowing yields a significantly better performance in separating normal-hearing subjects from hearing-impaired subjects when compared to detection based on unwindowed signals. With time windowing, the specificity increased with almost 15% at a fixed sensitivity of 90%.
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http://dx.doi.org/10.1109/10.979352 | DOI Listing |
Pharmacoepidemiol Drug Saf
February 2025
Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA.
Background: Frailty is an important prognostic indicator in older women with breast cancer. The Faurot frailty index, a validated claims-based frailty proxy measure, uses healthcare billing codes during a user-specified ascertainment window to predict frailty. We assessed how the duration of frailty ascertainment affected the ability of the Faurot frailty index to predict one-year mortality in women with stage I-II breast cancer.
View Article and Find Full Text PDFBMJ Open
January 2025
Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK.
Objectives: Explore, understand and analyse how women with pre-existing diabetes can be better supported during the inter-pregnancy interval-the time after a baby loss and before a subsequent pregnancy.
Design: Qualitative, semi-structured online interviews took place between November 2020 and July 2021. Data were analysed using Reflexive Thematic Analysis.
Nat Commun
January 2025
School of Nano-Technology and Nano-Bionics, University of Science and Technology of China, Hefei, China.
Electrochromic materials were discovered in the 1960s when scientists observed reversible changes between the light and dark states in WO thin films under different voltages. Since then, researchers have identified various electrochromic material systems, including transition metal oxides, polymer materials, and small molecules. However, the electrochromic phenomenon has rarely been observed in non-metallic elemental substances.
View Article and Find Full Text PDFJ Nucl Med
January 2025
Department of Nuclear Medicine, Medical University of Innsbruck, Innsbruck, Austria
Several exploratory studies have demonstrated the feasibility of cholecystokinin-2 receptor (CCK2R) targeting in patients with medullary thyroid carcinoma (MTC) and other neuroendocrine tumors (NETs). We report the results of a prospective phase I/IIA pilot study (clinicaltrials.gov NCT06155994) conducted at our center with the Ga-labeled peptide analog DOTA-DGlu-Ala-Tyr-Gly-Trp-(N-Me)Nle-Asp-1-Nal-Phe-NH (Ga-DOTA-MGS5).
View Article and Find Full Text PDFElife
January 2025
Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel.
Trained immunity (TI) is the process wherein innate immune cells gain functional memory upon exposure to specific ligands or pathogens, leading to augmented inflammatory responses and pathogen clearance upon secondary exposure. While the differentiation of hematopoietic stem cells (HSCs) and reprogramming of bone marrow (BM) progenitors are well-established mechanisms underpinning durable TI protection, remodeling of the cellular architecture within the tissue during TI remains underexplored. Here, we study the effects of peritoneal Bacillus Calmette-Guérin (BCG) administration to find TI-mediated protection in the spleen against a subsequent heterologous infection by the Gram-negative pathogen Typhimurium (.
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