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Developing a Sleep Algxorithm to Support a Digital Medicine System: Noninterventional, Observational Sleep Study.
JMIR Ment Health
December 2024
Otsuka Pharmaceutical Development & Commercialization, Inc, 508 Carnegie Center Drive, Princeton, NJ, 08540, United States, 1 609 535 9035.
Background: Sleep-wake patterns are important behavioral biomarkers for patients with serious mental illness (SMI), providing insight into their well-being. The gold standard for monitoring sleep is polysomnography (PSG), which requires a sleep lab facility; however, advances in wearable sensor technology allow for real-world sleep-wake monitoring.
Objective: The goal of this study was to develop a PSG-validated sleep algorithm using accelerometer (ACC) and electrocardiogram (ECG) data from a wearable patch to accurately quantify sleep in a real-world setting.
Bayesian Latent Class Models for Evaluating the Validity of Claim-based Definitions of Disease Outcomes.
Ann Clin Epidemiol
October 2024
Center of Medical Statistics, Minato-Ku, Tokyo, Japan.
Background: Large electronic databases have been widely used in recent years; however, they can be susceptible to bias due to incomplete information. To address this, validation studies have been conducted to assess the accuracy of disease diagnoses defined in databases. However, such studies may be constrained by potential misclassification in references and the interdependence between diagnoses from the same data source.
View Article and Find Full Text PDFAn update on the prevalence and management of Bertolotti's syndrome.
Front Surg
December 2024
Cantor Spine Center at the Paley Institute, West Palm Beach, FL, United States.
Bertolotti's Syndrome, a subset of lumbosacral transitional vertebrae (LSTV), is one cause of chronic low back pain (LBP), and a commonly overlooked differential diagnosis. The incidence of Bertolotti's Syndrome has been underestimated in the past and is common in those of younger ages around 30-40. Although diagnostics, imaging methods, and treatment algorithms have been improved in the past few years, there is no gold standard and more long-term, prospective research is needed.
View Article and Find Full Text PDFDetection of a novel DNA methylation marker panel for esophageal cancer diagnosis using circulating tumor DNA.
BMC Cancer
December 2024
Department of Molecular Pathology, Affiliated Cancer Hospital of Zhengzhou University, Henan Cancer Hospital, No 127, Dongming Road, Zhengzhou, 450008, Henan, China.
Background: Esophageal cancer (ECa) is one of the most deadly cancers, with increasing incidence worldwide and poor prognosis. While endoscopy is recommended for the detection of ECa in high-risk individuals, it is not suitable for large-scale screening due to its invasiveness and inconvenience.
Methods: In this study, a novel gene methylation panel was developed for a blood-based test, and its diagnostic efficacy was evaluated using a cohort of 304 participants (203 cases, 101 controls).
Assessing chronic stress in cats: measuring hair cortisol using an ELISA.
J Vet Diagn Invest
December 2024
Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX, USA.
Evaluating stress in shelter and institutionally owned cats is important to help guide improvements in their welfare. Welfare assessments often focus on behavior metrics and physiologic measurements, such as systemic cortisol levels. The gold standard for measuring acute stress is serum cortisol; measuring cortisol in feces and urine gives reliable time-integrated assessments of acute stress.
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