Publications by authors named "TALBOTT J"

Sensory environments are rapidly changing due to increased human activity in urban and non-urban areas alike. For instance, natural and anthropogenic sounds can interfere with parent-offspring communication and mask cues reflective of predation risk, resulting in elevated vigilance at the cost of provisioning. Here we present data from two separate studies involving anthropogenic noise and nestling provisioning behavior in Western Bluebirds (): one in response to short-term (1 h) experimental noise playback and a second in the context of nests located along a gradient of exposure to continuous noise.

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Purpose: Timely identification of intracranial blood products is clinically impactful, however the detection of subdural hematoma (SDH) on non-contrast CT scans of the head (NCCTH) is challenging given interference from the adjacent calvarium. This work explores the utility of a NCCTH bone removal algorithm for improving SDH detection.

Methods: A deep learning segmentation algorithm was designed/trained for bone removal using 100 NCCTH.

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Climate change's impact on global food security is a pressing concern with profound consequences. Climate change disrupts the global food system through a number of mechanisms including extreme weather events, rising food prices, and compromised food quality. In this article, we explore the effect of climate change on food security and the resulting health impacts of poor nutrition on pregnant women and infants in the perinatal period.

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Article Synopsis
  • - The study aimed to compare the motor examinations done by the clinical neurosurgery team with the ISNCSCI assessments, since the latter can be time-consuming and impractical during acute spinal cord injuries.
  • - Researchers analyzed data from the TRACK-SCI registry, which included 72 pairs of motor examinations from 63 patients, and found strong correlations between the two methods, indicating that neurosurgery motor examinations can effectively substitute for ISNCSCI exams.
  • - The results showed a very high agreement between the scores from both types of examinations with low bias, suggesting that clinical neurosurgery evaluations are reliable for assessing neurological function after spinal cord injuries.
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Purpose To evaluate the performance of the top models from the RSNA 2022 Cervical Spine Fracture Detection challenge on a clinical test dataset of both noncontrast and contrast-enhanced CT scans acquired at a level I trauma center. Materials and Methods Seven top-performing models in the RSNA 2022 Cervical Spine Fracture Detection challenge were retrospectively evaluated on a clinical test set of 1828 CT scans (from 1829 series: 130 positive for fracture, 1699 negative for fracture; 1308 noncontrast, 521 contrast enhanced) from 1779 patients (mean age, 55.8 years ± 22.

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Emergency obstetric care (EmOC) signal functions are a shortlist of key clinical interventions capable of averting deaths from the five main direct causes of maternal mortality; they have been used since 1997 as a part of an EmOC monitoring framework to track the availability of EmOC services in low- and middle-income settings. Their widespread use and proposed adaptation to include other types of care, such as care for newborns, is testimony to their legacy as part of the measurement architecture within reproductive health. Yet, much has changed in the landscape of maternal and newborn health (MNH) since the initial introduction of EmOC signal functions.

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Recurrence rates following surgical management of chronic subdural haematoma (CSDH) range from 5 to 33 %. There is growing evidence which suggests middle meningeal artery embolisation (MMAe) may reduce recurrence rates when used as surgical adjunct or standalone treatment. In this study we described our experience of this new procedure in the our UK institution.

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Background: Although many molecules have been investigated as biomarkers for spinal cord injury (SCI) or ischemic stroke, none of them are specifically induced in central nervous system (CNS) neurons following injuries with low baseline expression. However, neuronal injury constitutes a major pathology associated with SCI or stroke and strongly correlates with neurological outcomes. Biomarkers characterized by low baseline expression and specific induction in neurons post-injury are likely to better correlate with injury severity and recovery, demonstrating higher sensitivity and specificity for CNS injuries compared to non-neuronal markers or pan-neuronal markers with constitutive expressions.

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Aldehydes, pervasive in various environments, pose health risks at elevated levels due to their collective toxic effects shared mechanisms. Monitoring total aldehyde content in living systems is crucial due to their cumulative impact. Current methods for detecting cellular aldehydes are limited to UV and visible ranges, restricting their analysis in living systems.

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The Radiological Society of North America (RSNA) has held artificial intelligence competitions to tackle real-world medical imaging problems at least annually since 2017. This article examines the challenges and processes involved in organizing these competitions, with a specific emphasis on the creation and curation of high-quality datasets. The collection of diverse and representative medical imaging data involves dealing with issues of patient privacy and data security.

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Spinal cord pathologic condition often presents as a neurologic emergency where timely and accurate diagnosis is critical to expedite appropriate treatment and minimize severe morbidity and even mortality. MR imaging is the gold standard imaging technique for diagnosing patients with suspected spinal cord pathologic condition. This review will focus on the basic principles of diffusion imaging and how spinal anatomy presents technical challenges to its application.

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Article Synopsis
  • The Radiological Society of North America conducted a competition from July to October 2022 to evaluate AI algorithms for detecting cervical spine fractures using 3,112 CT scans from various institutions.
  • The competition attracted 1,108 contestants, resulting in eight top-performing algorithms with impressive metrics: mean AUC of 0.96, F1 score of 90%, sensitivity of 88%, and specificity of 94%.
  • The outcomes showed significant improvements compared to earlier models, indicating potential for clinical application, though further research is needed to assess their generalizability.
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Background And Purpose: Cerebral venous sinus thrombosis (CVST) is an underrecognized cause of morbidity in acute traumatic brain injury (TBI). Radiologic diagnosis is challenging in the setting of concurrent extra-axial injury and a lack of standardized diagnostic criteria. The prevalence of traumatic thrombosis versus compression is unknown.

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Objective: To retrospectively assess the biological response in cats with pancreatic carcinoma treated with toceranib phosphate.

Animals: Twenty-six client-owned cats.

Procedure: Patient information from multiple institutions was solicited an emailed REDCap survey.

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This dataset is composed of cervical spine CT images with annotations related to fractures; it is available at https://www.kaggle.com/competitions/rsna-2022-cervical-spine-fracture-detection/.

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Objective: Venous thromboembolism (VTE) following traumatic spinal cord injury (SCI) is a significant clinical concern. This study sought to determine the incidence of VTE and hemorrhagic complications among patients with SCI who received low-molecular-weight heparin (LMWH) within 24 hours of injury or surgery and identify variables that predict VTE using the prospective Transforming Research and Clinical Knowledge in SCI (TRACK-SCI) database.

Methods: The TRACK-SCI database was queried for individuals with traumatic SCI from 2015 to 2022.

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Four new isoorotamide (Io)-containing PNA nucleobases have been designed for A-U recognition of double helical RNA. New PNA monomers were prepared efficiently and incorporated into PNA nonamers for binding A-U in a PNA:RNA triplex. Isothermal titration calorimetry and UV thermal melting experiments revealed slightly improved binding affinity for singly modified PNA compared to known A-binding nucleobases.

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C-Terminal residues play a pivotal role in dictating the structure and functions of proteins. Herein, we report a mild, efficient, chemoselective, and site-selective chemical method that allows for precise chemical proteolysis at C-terminal arginine dictated by 9,10-phenanthrenequinone independent of the remaining sequence. This biomimetic approach also exhibits the potential to synthesize C-terminal methyl ester (-COMe) peptides.

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Objectives: Few medical schools incorporate formal education on human trafficking (HT) and sex trafficking (ST) into their curriculum. Our objective was to develop, implement, and evaluate education on HT and ST in the first-year medical student curriculum.

Methods: The curriculum included a standardized patient (SP) experience and lecture.

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Article Synopsis
  • - This study utilized the TRACK-SCI database to assess complications and outcomes in elderly patients (≥ 65 years) following spinal cord injuries between 2015 and 2019 at UCSF.
  • - Results revealed a high complication rate, with 100% of patients experiencing at least one complication—averaging about 6.6 each—primarily from cardiovascular and pulmonary issues, and a 10% in-hospital mortality rate.
  • - The use of vasopressors for maintaining blood pressure was prevalent, notably correlating with higher cardiovascular complications, and only a small percentage (7.5%) showed neurological improvement by discharge.
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Background And Purpose: MR imaging of the brain provides unbiased neuroanatomic evaluation of brain injury and is useful for neurologic prognostication following cardiac arrest. Regional analysis of diffusion imaging may provide additional prognostic value and help reveal the neuroanatomic underpinnings of coma recovery. The purpose of this study was to evaluate global, regional, and voxelwise differences in diffusion-weighted MR imaging signal in patients in a coma after cardiac arrest.

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