Publications by authors named "J J O'Byrne"

Objective: Margin distance is a significant prognosticator in oral cavity cancer but its role in HPV-related oropharyngeal squamous cell carcinoma [HPV(+)OPSCC] remains unclear. Here, we investigate the impact of margin distance on locoregional recurrence in HPV(+)OPSCC.

Study Design: This is a retrospective cohort study of surgically treated HPV(+)OPSCC patients.

View Article and Find Full Text PDF

Bilateral salpingo-oophorectomy (BSO; removal of ovaries and fallopian tubes) prior to age 48 is associated with elevated risk for both Alzheimer's disease (AD) and sleep disorders such as insomnia and sleep apnea. In early midlife, individuals with BSO show reduced hippocampal volume, function, and hippocampal-dependent verbal episodic memory performance associated with changes in sleep. It is unknown whether BSO affects fine-grained sleep measurements (sleep microarchitecture) and how these changes might relate to hippocampal-dependent memory.

View Article and Find Full Text PDF

Consciousness has been proposed to be supported by electrophysiological patterns poised at criticality, a dynamical regime which exhibits adaptive computational properties, maximally complex patterns and divergent sensitivity to perturbation. Here, we investigate dynamical properties of the resting-state electroencephalogram (EEG) of healthy subjects undergoing general anesthesia with propofol, xenon or ketamine. Importantly, all participants were unresponsive under anesthesia, while consciousness was retained only during ketamine anesthesia (in the form of vivid dreams), enabling an experimental dissociation between unresponsiveness and unconsciousness.

View Article and Find Full Text PDF
Article Synopsis
  • Hispanic adults with type 2 diabetes (T2D) face higher risks of complications and mortality compared to the general population, leading to the exploration of innovative solutions like digital storytelling to promote healthier behaviors.
  • A multicenter, randomized clinical trial was conducted to evaluate the effects of a 12-minute digital storytelling intervention on glycemic control in Hispanic patients with poorly controlled T2D, compared to a control group receiving traditional education materials.
  • The study involved 451 participants, with results showing changes in hemoglobin A1c levels over three months, alongside assessments of the intervention's acceptability and narrative quality through participant questionnaires.
View Article and Find Full Text PDF

Background And Purpose: The rise in hip and knee arthroplasty for osteoarthritis requires addressing healthcare system pollution to support Ireland's climate change goals. This research aimed to quantify waste generated and determine environmental and economic impacts to promote sustainable strategies in joint arthroplasty and shed light on the suboptimal waste management practices.

Methods: The study was conducted at National Orthopaedic Hospital Cappagh (NOHC), measuring waste generated during hip and knee arthroplasty.

View Article and Find Full Text PDF