Blood-based quantification of Aβ oligomers indicates impaired clearance from brain in ApoE ε4 positive subjects.

Background: Quantification of Amyloid beta (Aβ) oligomers in plasma enables early diagnosis of Alzheimer's Disease (AD) and improves our understanding of underlying pathologies. However, quantification necessitates an extremely sensitive and selective technology because of very low Aβ oligomer concentrations and possible interference from matrix components.

Methods: In this report, we developed and validated a surface-based fluorescence distribution analysis (sFIDA) assay for quantification of Aβ oligomers in plasma.

"You First Have to Check Out the Doctors": Transition Expectations and Experiences of Survivors After Pediatric Cancer.

Purpose: The shift from child-centered to adult-focused healthcare presents social and psychological challenges for adolescents and young adults with chronic conditions, which can affect their participation in follow-up care. This study aims to investigate the factors that influence patient-driven motivations for adhering to follow-up recommendations, while also exploring the barriers and supports that impact the transition process for pediatric cancer survivors.

Methods: We developed interview guidelines grounded in the Theory of Planned Behavior (TPB) and the stereotype priming model (SPM).

Feasibility and Clinical Efficacy of Focal Pulsed Field Ablation in Patients With Non-Pulmonary Vein Triggered Atrial Arrhythmia From the Superior Caval Vein.

Introduction: In patients with atrial arrhythmias originating from the superior vena cava (SVC), the use of radiofrequency energy to isolate the SVC is associated with a significant risk of injury both to the phrenic nerve and the sinus node. Pulsed field ablation (PFA) may overcome the disadvantages of thermal energy and improve both ablation efficacy and safety.

Objective: We report the feasibility, safety, and clinical efficacy of focal monopolar PFA in patients with the origin of their atrial arrhythmia in the SVC.

Enhancing the outcomes of bariatric surgery with inhibitory control training, electrical brain stimulation and psychosocial aftercare: a pilot study protocol.

Background: Notwithstanding the documented short- and long-term weight loss and remission of physical and mental diseases following bariatric surgery, a significant proportion of patients fail to respond (fully) to treatment in terms of physical and mental health improvement. Mounting evidence links food-specific impulsivity, prefrontal cortex (PFC) hypoactivity and disrupted hormone secretion in bariatric surgery candidates to poorer post-surgical health outcomes. Neuromodulatory treatments like transcranial direct current stimulation (tDCS) uniquely target these neurobehavioral impairments.

Myeloperoxidase and N-terminal proatrial natriuretic peptide as predictors for atrial fibrillation recurrence in patients undergoing redo ablation.

Background: Atrial fibrillation (AF) is a progressively developing arrhythmia. Electroanatomic remodeling may play an important role, both in the development of the disease and in the perpetuation and thus in the recurrence of AF.

Objective: This study aimed to investigate potential biomarkers myeloperoxidase (MPO), N-terminal proatrial natriuretic peptide (NT-proANP), intercellular adhesion molecule-1, and matrix metalloproteinase-2 and their predictive value for AF recurrence in patients undergoing redo ablation.

International consensus statement on microbiome testing in clinical practice.

There is growing interest in the potential exploitation of the gut microbiome as a diagnostic tool in medicine, but evidence supporting its clinical usefulness is scarce. An increasing number of commercial providers offer direct-to-consumer microbiome diagnostic tests without any consensus on their regulation or any proven value in clinical practice, which could result in considerable waste of individual and health-care resources and potential drawbacks in the clinical management of patients. We convened an international multidisciplinary expert panel to standardise best practices of microbiome testing for clinical implementation, including recommendations on general principles and minimum requirements for their provision, indications, pre-testing protocols, method of analyses, reporting of results, and potential clinical value.

Outcome and management of patients with hepatocellular carcinoma who achieved a complete response to immunotherapy-based systemic therapy.

Background And Aims: The outcome of patients with HCC who achieved complete response (CR) to immune-checkpoint inhibitor (ICI)-based systemic therapies is unclear.

Approach And Results: Retrospective study of patients with HCC who had CR according to modified Response Evaluation Criteria in Solid Tumors (CR-mRECIST) to ICI-based systemic therapies from 28 centers in Asia, Europe, and the United States. Of 3933 patients with HCC treated with ICI-based noncurative systemic therapies, 174 (4.

Endoscopic ultrasonography-guided drainage of the pancreatic duct (EUS-PD) in postoperative anastomotic stenosis after previous pancreatic resection.

As an alternative instead of a repeat surgical intervention, results (feasibility, safety, and technical and clinical success rate) of EUS-guided pancreatic duct drainage (EUS-PD) in a consecutive patient cohort because of symptomatic postoperative anastomotic stenosis as part of a unicenter observational study in daily clinical practice are presented.EUS-guided puncture (19-G needle) of the pancreatic duct, pancreaticography, and advancement of a guide wire (0.035 inches) via the anastomosis into the small intestine after previous dilatation of the transgastric access site (using ring knife): 1.

Glial cell deficits are a key feature of schizophrenia: implications for neuronal circuit maintenance and histological differentiation from classical neurodegeneration.

Dysfunctional glial cells play a pre-eminent role in schizophrenia pathophysiology. Post-mortem studies have provided evidence for significantly decreased glial cell numbers in different brain regions of individuals with schizophrenia. Reduced glial cell numbers are most pronounced in oligodendroglia, but reduced astrocyte cell densities have also been reported.

MRI analysis of relative tumor enhancement in liver metastases and correlation with immunohistochemical features.

Objective: Investigate the association between the relative tumor enhancement (RTE) of gadoxetic acid across various MRI phases and immunohistochemical (IHC) features in patients with liver metastases (LM) from colorectal cancer (CRC), breast cancer (BC), and pancreatic cancer (PC).

Methods: A retrospective analysis was conducted on 68 patients with LM who underwent 1.5-T MRI scans.

The role of attitude toward nature in learning about environmental issues.

Attitude toward nature and environmental attitude are two distinct propensities that both further learning about the environment. The present study builds upon prior research by investigating the role of attitude toward nature in learning about environmental issues. In a sample of 1,486 university, middle and high school students (  = 15.

Analysis of chemical exchange in iridium N-heterocyclic carbene complexes using heteronuclear parahydrogen-enhanced NMR.

The signal amplification by reversible exchange process (SABRE) enhances NMR signals by unlocking hidden polarization in parahydrogen through interactions with to-be-hyperpolarized substrate molecules when both are transiently bound to an Ir-based organometallic catalyst. Recent efforts focus on optimizing polarization transfer from parahydrogen-derived hydride ligands to the substrate in SABRE. However, this requires quantitative information on ligand exchange rates, which common NMR techniques struggle to provide.

CT-augmented digital tomosynthesis image reconstruction in image-guided bronchoscopy interventions.

Background: Transbronchial needle biopsy is crucial for diagnosing lung cancer, yet its efficacy depends on accurately localizing the target lesion and biopsy needle. Digital tomosynthesis (DTS) is considered a promising imaging modality for guiding bronchoscopy procedures due to its low radiation dose and small footprint relative to cone-beam computed tomography (CBCT). However, the image quality of DTS is still not sufficient for an accurate guidance, mainly due to its limited-angle acquisition.

Therapeutic Drug Monitoring of Nirmatrelvir/Ritonavir (Paxlovid) in Patients Treated for COVID-19: Results from a Prospective Multicenter Observational Study.

Background: Paxlovid is a combination of the antiviral agents nirmatrelvir and ritonavir indicated for the oral treatment of high-risk, symptomatic patients with coronavirus disease 2019 (COVID-19). As real-world data on the plasma concentrations of nirmatrelvir/ritonavir (Paxlovid) are limited, the aim of this study was to investigate nirmatrelvir/ritonavir plasma trough levels in a clinical setting using therapeutic drug monitoring.

Methods: A prospective, noninterventional, multicenter, observational clinical study was conducted in which the plasma trough levels of nirmatrelvir/ritonavir were simultaneously determined by using liquid chromatography tandem mass spectrometry in patients with symptomatic COVID-19.

One-pot hydroaminomethylation of an alkene under formation of primary amines by combining hydroformylation at elevated syngas pressure and biocatalytic transamination in water.

We report a novel one-pot chemoenzymatic synthesis of primary amines in water, combining rhodium-catalysed hydroformylation of styrene with a biocatalytic transamination. This process is starting from styrene at 50 mM substrate loading on a 10 mL preparative scale. Combined towards a one-pot process with both steps running concurrently, this chemoenzymatic synthesis involves a 6-DPPon/rhodium-catalysed hydroformylation of styrene at 20 bar of syngas, forming the - and -aldehydes and an enzymatic transamination of the -formed aldehydes to the corresponding primary amines catalysed by the amine transaminase from , yielding the desired primary amines with 99% conversion.

Association between white matter microstructural changes and aggressiveness. A case-control diffusion tensor imaging study.

Research has focused on identifying neurobiological risk factors associated with aggressive behavior in order to improve prevention and treatment efforts. This study aimed to characterize microstructural differences in white matter (WM) integrity in individuals prone to aggression. We hypothesized that altered cerebral WM microstructure may underlie normal individual variability in aggression and tested this using a case-control design in healthy individuals.

The MARVIN Hypothesis: Linking Unhealthy Lifestyles to Intracranial Aneurysm Rupture Risk and Clinical Prognosis.

: The rising incidence of modifiable lifestyle risk factors and cardiovascular diseases, driven by poor diet, inactivity, excessive alcohol use, and smoking, may influence the development and rupture of intracranial aneurysms (IA). This study aimed to examine the impact of lifestyle-related and cardiovascular risk factors on IA rupture and patient outcomes. : We developed the "MARVIN" (Metabolic and Adverse Risk Factors and Vices Influencing Intracranial Aneurysms) model and conducted a retrospective analysis of 303 patients with 517 IAs, treated between 2007 and 2020.

The Correlation Between Effort-Reward Imbalance at Work and the Risk of Burnout Among Nursing Staff Working in an Emergency Department-A Pilot Study.

: Nurses in emergency rooms face high levels of psychological stress during their work, which is why they have an increased risk of burnout. The aim of this pilot study was to determine the extent to which effort-reward imbalance (ERI) at work is connected to the risk of burnout among emergency nurses. : Thirty-five nurses from the central emergency department of a maximum care provider, aged 35.

Risk of Postoperative Hemorrhage After Glioma Surgery in Patients with Preoperative Acetylsalicylic Acid.

Background/objectives: Patients with gliomas show an increased risk of spontaneous hemorrhages throughout the disease. Simultaneously, the number of patients taking acetylsalicylic acid (ASA) for primary and secondary prophylaxis is rising in daily clinical practice, and interrupting ASA intake before elective or emergency intracranial surgery is not always feasible. This study aims to evaluate the risks associated with continuing ASA use perioperatively while focusing on hemorrhage and potential thromboembolic events that may arise from discontinuing ASA, particularly in multimorbid patients undergoing glioma surgery.

Risk factors for substantial weight retention at 1 year postpartum: evidence from a German birth cohort study (KUNO-Kids).

Purpose: Postpartum weight retention (PPWR) increases the risk of overweight and obesity. This study aims to identify risk factors for substantial weight retention (≥ 5 kg) at 1 year postpartum.

Methods: Data were obtained from N = 747 mothers participating in the KUNO-Kids birth cohort study.