Publications by authors named "David Painter"

Article Synopsis
  • The study investigates the occurrence, causes, treatment, and recovery times of ulnar collateral ligament (UCL) injuries in NFL quarterbacks between 1991 and 2023.
  • A total of 21 injuries were recorded, with most occurring in players aged around 29, primarily as noncontact injuries, and often managed without surgery.
  • While average recovery time was about 166 days, those requiring surgical reconstruction faced significantly longer recovery; additionally, recent injuries correlated with better performance after recovery compared to older injuries.
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  • Softball is a widely played sport with high injury rates, particularly among females, making it a popular focus for injury research.
  • The study analyzed injury data from the National Electronic Injury Surveillance System between 2012 and 2021, revealing that 68.1% of upper extremity injuries were in female athletes, with significant age differences between genders.
  • Injury rates decreased overall during the decade, with fielding activities and player-ball contact being the most common causes of injuries among varied age groups.
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  • Brain injuries can lead to hidden disabilities that are often hard to detect, and traditional assessment methods for these impacts are not very precise, resulting in unreliable treatment estimates.
  • The research introduced 'The Attention Atlas', an immersive virtual reality game developed to better assess unilateral spatial neglect in brain injury patients, categorizing individuals into three groups based on their gameplay: neglect, minor atypicality, or non-neglect.
  • Findings from the study indicated that VR assessments identified neglect in 25.5% of patients, which is higher than the 17.6% identified through standard assessments, showcasing the potential of VR technology in improving diagnostic accuracy.
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  • Arm injuries are prevalent among high school fastpitch softball players, with nearly half seeking medical attention for arm pain.
  • A study involving surveys from players, parents, and coaches revealed that riseball pitchers had lower surgery rates compared to other pitchers.
  • Overall, injury prevention knowledge was found to be insufficient, with players scoring lower on quizzes than their parents and coaches.
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End-stage kidney disease (ESKD) accounts for a sizable proportion of Medicare spending. Peritoneal dialysis remains an underutilized treatment modality for ESKD despite its quality of life and cost-saving benefits. Medicare policy on reimbursements and patient eligibility for dialysis coverage has been amended numerous times since its inception in 1972.

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Background: Deficits in visuospatial attention, known as neglect, are common following brain injury, but underdiagnosed and poorly treated, resulting in long-term cognitive disability. In clinical settings, neglect is often assessed using simple pen-and-paper tests. While convenient, these cannot characterise the full spectrum of neglect.

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Background: In neurorehabilitation, problems with visuospatial attention, including unilateral spatial neglect, are prevalent and routinely assessed by pen-and-paper tests, which are limited in accuracy and sensitivity. Immersive virtual reality (VR), which motivates a much wider (more intuitive) spatial behaviour, promises new futures for identifying visuospatial atypicality in multiple measures, which reflects cognitive and motor diversity across individuals with brain injuries.

Methods: In this pilot study, we had 9 clinician controls (mean age 43 years; 4 males) and 13 neurorehabilitation inpatients (mean age 59 years; 9 males) recruited a mean of 41 days post-injury play a VR visual search game.

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Context: Collegiate baseball players with professional aspirations often participate in summer leagues; foremost among them is the Cape Cod Baseball League (CCBL). Injuries acquired during the collegiate baseball season can be carried into the CCBL season and vice versa.

Objective: To assess the history of throwing arm injury and current functionality in midseason CCBL players.

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Background: Primary total hip arthroplasty (THA) is increasingly being performed in the outpatient setting. However, there is little known regarding the differences in same-day discharge (SDD) rates and complications of operative approach in same-day total hip arthroplasty in the ambulatory surgery center (ASC) setting.

Methods: A retrospective chart review was performed between July 2019 and October 2021 for all patients who underwent primary THA in a single freestanding ASC.

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Background: Guidelines regarding injury prevention in fast-pitch softball pitchers have yet to be widely adopted, risking the online dissemination of misleading advice.

Purpose/hypothesis: The purpose of this study was to assess the source and medical advisability of online pitching recommendations for youth softball players and highlight the risk of misinformation. It was hypothesized that many popular websites would contain content discordant with current medical guidelines regarding windmill softball pitching recommendations.

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Objectives: The aim of this study was to characterize the case volume dependence of both facilities and surgeons on morbidity and mortality after femoral shaft fracture (FSF) fixation.

Methods: Adults who had an open or closed FSF between 2011 and 2015 were identified in the New York Statewide Planning and Research Cooperative System database. Claims were identified by International Classification of Disease-9, Clinical Modification diagnostic codes for a closed or open FSF and International Classification of Disease-9, Clinical Modification procedure codes for FSF fixation.

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The COVID-19 pandemic exerted complex pressures on the nephrology community. Despite multiple prior reviews on acute peritoneal dialysis during the pandemic, the effects of COVID-19 on maintenance peritoneal dialysis patients remain underexamined. This review synthesizes and reports findings from 29 total cases of chronic peritoneal dialysis patients with COVID-19, encompassing 3 case reports, 13 case series, and 13 cohort studies.

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Although hemodialysis continues to be the dominant form of dialysis in the United States, peritoneal dialysis rates continue to rise both nationally and worldwide. Peritoneal dialysis offers patients increased flexibility due to the ability to dialyze at home, leading to potential quality of life benefits for patients. However, questions exist regarding clinical outcomes in patients on peritoneal dialysis and the literature has not recently been reviewed.

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As intracellular parasites, viruses exploit cellular proteins at every stage of infection. Adenovirus outbreaks are associated with severe acute respiratory illnesses and conjunctivitis, with no specific antiviral therapy available. An adenoviral vaccine based on human adenovirus species D (HAdV-D) is currently in use for COVID-19.

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Brain-computer interfaces (BCIs) are a rapidly expanding field of study and require accurate and reliable real-time decoding of patterns of neural activity. These protocols often exploit selective attention, a neural mechanism that prioritises the sensory processing of task-relevant stimulus features (feature-based attention) or task-relevant spatial locations (spatial attention). Within the visual modality, attentional modulation of neural responses to different inputs is well indexed by steady-state visual evoked potentials (SSVEPs).

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Background: As the incidence of youth pitching injuries and surgical procedures attributed to overuse has drastically increased, there are quality concerns about popular internet resources regarding arm care for youth pitchers.

Purpose/hypothesis: To assess the medical advisability of online arm care recommendations for youth pitchers. It was hypothesized that websites contain misleading arm-care information that is discordant with medical advice.

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Complex perceptual decisions, in which information must be integrated across multiple sources of evidence, are ubiquitous but are not well understood. Such decisions rely on sensory processing of each individual source of evidence, and are therefore vulnerable to bias if sensory processing resources are disproportionately allocated among visual inputs. To investigate this, we developed an implicit neurofeedback protocol embedded within a complex decision-making task to bias sensory processing in favor of one source of evidence over another.

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It is often necessary for individuals to coordinate their actions with others. In the real world, joint actions rely on the direct observation of co-actors and rhythmic cues. But how are joint actions coordinated when such cues are unavailable? To address this question, we recorded brain activity while pairs of participants guided a cursor to a target either individually (solo control) or together with a partner (joint control) from whom they were physically and visibly separated.

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Purpose: Ocular infection by human adenovirus species D type 37 (HAdV-D37) causes epidemic keratoconjunctivitis, a severe, hyperacute condition. The corneal component of epidemic keratoconjunctivitis begins upon infection of corneal epithelium, and the mechanism of viral entry dictates subsequent proinflammatory gene expression. Therefore, it is important to understand the specific pathways of adenoviral entry in these cells.

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Free communication is one of the cornerstones of modern civilisation. While manual keyboards currently allow us to interface with computers and manifest our thoughts, a next frontier is communication without manual input. Brain-computer interface (BCI) spellers often achieve this by decoding patterns of neural activity as users attend to flickering keyboard displays.

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Human adenovirus infection of the ocular surface is associated with severe keratoconjunctivitis and the formation of subepithelial corneal infiltrates, which may persist and impair vision for months to years following infection. Long term pathology persists well beyond the resolution of viral replication, indicating that the prolonged immune response is not virus-mediated. However, it is not clear how these responses are sustained or even initiated following infection.

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Throughout the lifespan, the cerebral cortex adapts its structure and function in response to changing sensory input [1, 2]. Whilst such changes are typically adaptive, they can be maladaptive when they follow damage to the peripheral nervous system, including phantom limb pain and tinnitus [3, 4]. An intriguing example occurs in individuals with acquired ocular pathologies-most commonly age-related macular degeneration (MD) [5]-who lose their foveal vision but retain intact acuity in the peripheral visual field.

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Background: Stress cardiac magnetic resonance imaging (CMR) has become increasingly used in patients presenting to the emergency department (ED) with symptoms concerning for acute coronary syndrome (ACS). We hypothesized that CMR detects a number of alternative diagnoses (diagnoses other than ACS that could explain symptoms) and incidental findings in patients presenting to the ED for potential ACS.

Methods: We prospectively enrolled adult patients who presented to an academic ED from 2011 to 2015 for possible ACS and subsequently had an adenosine stress perfusion CMR as part of their diagnostic evaluation.

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The ability to coordinate approach and avoidance actions in dynamic environments represents the boundary between extinction and the continued survival of many animal species. It is therefore crucial that sensory systems allocate limited attentional resources to the most relevant information to facilitate planning and execution of appropriate actions. Prominent theories of how attention regulates visual processing focus on the distinction between behaviorally relevant and irrelevant visual inputs.

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