Case: We outline the management of a 10-month-old girl with an Ewing sarcoma involving the entire radius. The patient was treated with neoadjuvant chemotherapy resulting in almost a complete response. A limb-sparing procedure was performed consisting of a radical resection of the entire radius and centralization of the carpus to the ulna.
View Article and Find Full Text PDFNeural coding has traditionally been examined through changes in firing rates and latencies in response to different stimuli. However, populations of neurons can also exhibit transient bursts of spiking activity, wherein neurons fire in a specific temporal order or sequence. The human brain may utilize these neuronal sequences within population bursts to efficiently represent information, thereby complementing the well-known neural code based on spike rate or latency.
View Article and Find Full Text PDFVentriculoperitoneal (VP) shunt placement, essential for managing hydrocephalus, often risks catheter malpositioning, especially in patients with small ventricles. We present a novel technique combining neuronavigation with intraoperative cone-beam computed tomography using the BrainLab system and Loop-X mobile imaging unit. This approach enables real-time verification of catheter placement by integrating preoperative MRI data with intraoperative CT imaging.
View Article and Find Full Text PDFWe conducted a systematic review to assess if any condition before- or after simulation-based training of teamwork competencies for healthcare professionals affects learning or transfer of skills to the clinical environment.We searched CINAHL, Medline, and Embase for studies published between January 1, 2011, and July 10, 2023. We screened 13,149 abstracts and 335 full texts, of which 5 studies were included.
View Article and Find Full Text PDFFor steel bridges, corrosion has historically led to bridge failures, resulting in fatalities and injuries. To enhance public safety and prevent such incidents, authorities mandate in-situ evaluation and reporting of corroded members. The current inspection and evaluation protocol is characterized by intense labor, traffic delays, and poor capacity predictions.
View Article and Find Full Text PDFChondrosarcoma is an aggressive bone tumor typically affecting older adults in the 6th and 7th decade. These tumors often present as painful masses in the pelvis, ribs, and long bones and have certain characteristic features on the imaging leading to the diagnosis. The occurrence of these tumors in the young adult population is a rare condition that is not well described.
View Article and Find Full Text PDF: Dental rehabilitation after extended tumour resection and jaw reconstruction is challenging. The present study aimed to report the prosthetic outcome and quality of life (QoL) in patients with head and neck cancer (HNC) after microvascular alveolar ridge reconstruction. : The prosthetic outcomes of all consecutive patients with HNC who underwent microvascular alveolar ridge reconstruction at the University Hospital Salzburg between 2011 and 2018 were investigated.
View Article and Find Full Text PDFObjective: We aimed to investigate the association of recent team leader simulation training (<6 months) and years of clinical experience (≥4 years) with chest compression quality during in-hospital cardiac arrest (IHCA).
Methods: This cohort study of IHCA in four Danish hospitals included cases with data on chest compression quality and team leader characteristics. We assessed the impact of recent simulation training and experienced team leaders on longest chest compression pause duration (primary outcome), chest compression fraction (CCF), and chest compression rates within guideline recommendations using mixed effects models.
Background: The lack of resources limits the treatment of craniomaxillofacial fractures (CMF) in low-income countries (LIC). Therefore, Barton bandages and/or interdental wiring are considered in these regions. Fracture reduction is maintained by permanent occlusion for 6 weeks, which often leads to limited compliance and dissatisfying results.
View Article and Find Full Text PDFWien Klin Wochenschr
December 2024
Early interventions of laypersons can improve the survival and neurological outcome in patients with out-of-hospital cardiac arrest. There are several organizations in Austria which train lay people in basic life support and raise awareness for sudden cardiac death. To obtain an overview of the various initiatives, a questionnaire was sent to 26 organizations, and 15 of the organizations (58%) replied.
View Article and Find Full Text PDFNurturing the development of the next generation of resuscitation scientists is essential for creating a vibrant and enabled community equipped with the necessary knowledge, attitudes, and skills to transform resuscitation practice and improve outcomes. In this concept paper we will describe the development and implementation of the first Young European Resuscitation Council Resuscitation Science Masterclass. The masterclass aims to connect, inspire, and support the growth of the next generation of resuscitation scientists through education, networking, and joint scientific work.
View Article and Find Full Text PDFBackground: The MAKO Robotic-Arm system is a cutting-edge technology which combines both computed tomography (CT) scanning and three-dimensional planning to determine the ideal size and orientation of implants prior to bone resection. It is typically utilized within a general orthopedic setting for joint replacement procedures, such as total joint arthroplasties. However, its use within orthopedic oncology, which contains a much more compromised patient population and more complex surgical treatment, is not well documented within the literature.
View Article and Find Full Text PDFBackground: Advanced age is unequivocally linked to the development of cardiovascular disease; however, the mechanisms resulting in reduced endothelial cell regeneration remain poorly understood. Here, we investigated novel mechanisms involved in endothelial cell senescence that impact endothelial cell transcription and vascular repair after injury.
Methods: Native endothelial cells were isolated from young (20±3.
Sequences of spiking activity have been heavily implicated as potential substrates of memory formation and retrieval across many species. A parallel line of recent evidence also asserts that sequential activity may arise from and be constrained by pre-existing network structure. Here we reconcile these two lines of research in the human brain by measuring single unit spiking sequences in the temporal lobe cortex as participants perform an episodic memory task.
View Article and Find Full Text PDFMicrostimulation can modulate the activity of individual neurons to affect behavior, but the effects of stimulation on neuronal spiking are complex and remain poorly understood. This is especially challenging in the human brain where the response properties of individual neurons are sparse and heterogeneous. Here we use microelectrode arrays in the human anterior temporal lobe in 6 participants (3 female) to examine the spiking responses of individual neurons to microstimulation delivered through multiple distinct stimulation sites.
View Article and Find Full Text PDFTissue factor pathway inhibitor (TFPI) is an important regulator of coagulation and a link between inflammation and thrombosis. Here we investigated whether endothelial cell-driven oxidative post-translational modifications could have an impact on TFPI activity. We focused on S-sulfhydration, which is a hydrogen sulfide-dependent post-translational modification that, in endothelial cells, is regulated by the enzyme cystathionine γ-lyase (CSE).
View Article and Find Full Text PDFThe quality of short-term memory (STM) underlies our ability to recall the exact details of a recent event, yet how the human brain enables this core cognitive function remains poorly understood. Here we use multiple experimental approaches to test the hypothesis that the quality of STM, such as its precision or fidelity, relies on the medial temporal lobe (MTL), a region commonly associated with the ability to distinguish similar information remembered in long-term memory. First, with intracranial recordings, we find that delay-period MTL activity retains item-specific STM content that is predictive of subsequent recall precision.
View Article and Find Full Text PDFIntroduction: Public knowledge of out-of-hospital cardiac arrest (OHCA), and initiation of basic life support (BLS) is crucial to increase survival in OHCA.
Methods: The study analysed the knowledge and willingness to perform BLS of laypersons passing an AED at a public train station. Interviewees were recruited at two time points before and after a four year-long structured regional awareness campaign, which focused on , , in a mid-size European city (270,000 inhabitants).