Publications by authors named "Sweeney J"

Intrathecal nicardipine (ITN) is an investigational therapy for cerebral vasospasm (CVS) and delayed cerebral ischemia (DCI) in patients with aneurysmal subarachnoid hemorrhage (aSAH). The objective of this scoping review was to characterize the current state of the literature and map the current available evidence, examine research methodology, clarify key concepts and definitions in the literature, report procedural characteristics, identify and analyze knowledge gaps, and serve as a precursor for future systematic reviews, meta-analyses, and randomized controlled trials. An electronic search for studies on ITN for the treatment of CVS and DCI in patients with aSAH was conducted in accordance with published standards.

View Article and Find Full Text PDF

Treatment studies in knockout rodent models have found that minocycline and lovastatin each improve synaptic, neurological, and behavioral functioning, and open-label chronic dosing studies in human patients with fragile X syndrome (FXS) have demonstrated modest clinical improvements. Findings from blinded studies are mixed, and there is a limited understanding of electrophysiological target engagement that would facilitate cross-species translational studies. Smaller-scale, acute (e.

View Article and Find Full Text PDF

Background: Response to pharmacotherapy varies considerably among youths with bipolar disorder (BD) and is poorly predicted by clinical or demographic features. It can take several weeks to determine whether medication for BD is clinically effective. Although neuroimaging biomarkers are promising predictors, few studies examined the predictive value of the brain connectomic topology.

View Article and Find Full Text PDF

Stigma surrounding mental health, particularly among men, remains a significant barrier to men engaging with support services for their mental health. Despite increasing evidence of interventions targeting different aspects of stigma reduction, there is a notable gap in the literature concerning male-specific mental health stigma reduction interventions and on the underlying behavior change techniques (BCTs) used to reduce stigma. The purpose of this review is to synthesize the evidence relating to the impact of mental health stigma reduction interventions among men and to explore the underlying BCTs associated with each intervention.

View Article and Find Full Text PDF

Categorical diagnosis, a pillar of the medical model, has not worked well in psychiatry where most diagnoses are still exclusively symptom based. Uncertainty continues about whether categories or dimensions work better for the assessment and treatment of idiopathic psychoses. The Bipolar Schizophrenia Network for Intermediate Phenotypes (B-SNIP) examined multiple cognitive and electrophysiological biomarkers across a large transdiagnostic psychosis data set.

View Article and Find Full Text PDF

Background: Tricuspid regurgitation (TR) and mitral regurgitation (MR) are common valvular conditions encountered in patients undergoing transcatheter aortic valve replacement (TAVR). This retrospective study investigates the impact of moderate or severe TR and MR on all-cause mortality in 1-year post-TAVR patients.

Methods: Consecutive patients who underwent TAVR at the 3 academic tertiary care centers in our health system between 2012 and 2018 were identified.

View Article and Find Full Text PDF

Background: Anatomical factors may preclude transfemoral (TF) arterial access for transcatheter aortic valve implantation (TAVI). Transcaval (TCav) access has been utilized as an alternative access for these patients. We aimed to investigate the outcomes of TCav access in patients undergoing TAVI.

View Article and Find Full Text PDF
Article Synopsis
  • Recent studies have indicated that mitral valve replacement (MVR) may perform better hemodynamically compared to mitral valve repair (MVr) for ischemic mitral regurgitation, but with no significant survival difference at 2 years.
  • A study analyzed outcomes of 111 patients who underwent either MVr or MVR, finding that although MVR experienced less regurgitation at 1 year, mortality rates between the two groups were similar after 1 and 2 years.
  • The results suggest that MVr may be a viable surgical option for ischemic mitral regurgitation, offering comparable early mortality and mid-term valve performance to MVR.
View Article and Find Full Text PDF

Malaria affects almost 250 million people annually and continues to be a significant threat to global public health. Infection with protozoan parasites from the genus Plasmodium causes malaria. The primary treatment for malaria is artemisinin-based combination therapies (ACTs).

View Article and Find Full Text PDF

While percutaneous closure of patent foramen ovale (PFO) and atrial septal defect (ASD) are generally well-tolerated procedures, the development of postprocedure fever has been observed at a higher frequency than reported in the initial device trials. We performed a retrospective analysis of 62 patients who underwent PFO or ASD closure from January 1, 2020, to December 31, 2022, at Mayo Clinic, Arizona. Eight patients out of 62 (12.

View Article and Find Full Text PDF

Background: Measures of cortical topology are believed to characterize large-scale cortical networks. Previous studies used region of interest (ROI)-based approaches with predefined templates that limit analyses to linear pair-wise interactions between regions. As cortical topology is inherently complex, a non-linear dynamic model that measures the brain complexity at the voxel level is suggested to characterize topological complexities of brain regions and cortical folding.

View Article and Find Full Text PDF
Article Synopsis
  • Scientists studied how the brain works differently in people who have just been diagnosed with schizophrenia compared to healthy people.
  • They found that people with schizophrenia have more changes in their brain activity when they are resting.
  • After one year of taking antipsychotic medication, their brain activity became more stable, showing that the medication helps improve their symptoms.
View Article and Find Full Text PDF

Objectives: To identify risk factors for developing a fracture-related infection in operatively treated ballistic tibia fractures and to report the microbiologic results of intraoperative cultures.

Design: Retrospective review.

Setting: Level 1 trauma center.

View Article and Find Full Text PDF

Recent failures translating preclinical behavioral treatment effects to positive clinical trial results in humans with Fragile X Syndrome (FXS) support refocusing attention on biological pathways and associated measures, such as electroencephalography (EEG), with strong translational potential and small molecule target engagement. This study utilized guided machine learning to test promising translational EEG measures (resting power and auditory chirp oscillatory variables) in a large heterogeneous sample of individuals with FXS to identify best performing EEG variables for reliably separating individuals with FXS, and genetically-mediated subgroups within FXS, from typically developing controls. Best performing variables included resting relative frontal theta power, all combined posterior-head resting power bands, posterior peak alpha frequency (PAF), combined PAF across all measured regions, combined theta, alpha, and gamma power during the chirp, and all combined chirp oscillatory variables.

View Article and Find Full Text PDF

The challenges of developing good quality low dose minitablets was assessed by systematically studying the effects of ibuprofen (IBU, a model compound) particle sizes (6-58 µm D) and concentrations (0.1-3 %w/w), roller compaction forces (3-7 kN/cm), and the minitablet sizes (1.2, 1.

View Article and Find Full Text PDF

The prevalence of squamous cell carcinoma is increasing, and efforts that aid in an early and accurate diagnosis are crucial to improve clinical outcomes for patients. Cornulin, a squamous epithelium-specific protein, has recently garnered attention due to its implications in the progression of squamous cell carcinoma developed in several tissues. As an epidermal differentiation marker, it is involved in skin anchoring, regulating cellular proliferation, and is a putative tumor suppressor.

View Article and Find Full Text PDF

Background: Approximately 15% of Lyme disease cases involve the nervous system and are termed "neuroborreliosis." A rare complication of neuroborreliosis is idiopathic intracranial hypertension with resulting neurological deterioration. There are very few reports of this in the literature, most of which consist of case reports and small case series.

View Article and Find Full Text PDF

A plastic scintillator has found extensive application in the realm of high-energy physics and national security science. Many applications in those fields often involve the simultaneous production of photons, neutrons, and charged particles, which makes the relative sensitivity information for these different radiation types important. In this study, we have adopted a multi-head detector comprised of a plastic scintillator and high gain phototubes, which provides a large dynamic range and linearity.

View Article and Find Full Text PDF

Objective: The modified Brain Injury Guidelines (mBIG) were developed to improve care of patients with traumatic brain injury (TBI). This study aimed to assess if utilization of mBIG by neurosurgeons would improve TBI patient throughput at a Level I trauma center, particularly for patients meeting mBIG 1 criteria.

Methods: This was a retrospective observational study at a Level I trauma center.

View Article and Find Full Text PDF

Recent studies have provided promising evidence that neuroimaging data can predict treatment outcomes for patients with major depressive disorder (MDD). As most of these studies had small sample sizes, a meta-analysis is warranted to identify the most robust findings and imaging modalities, and to compare predictive outcomes obtained in magnetic resonance imaging (MRI) and studies using clinical and demographic features. We conducted a literature search from database inception to July 22, 2023, to identify studies using pretreatment clinical or brain MRI features to predict treatment outcomes in patients with MDD.

View Article and Find Full Text PDF

Background: Despite optimal medical therapy and cardiac resynchronization therapy (CRT), significant functional mitral regurgitation (MR) persisted in 30% of the patients and labeled as CRT nonresponders.

Aims: We sought to study the impact of transcatheter edge-to-edge repair (TEER) in patients with symptomatic grade III and IV functional MR despite CRT.

Methods: A retrospective analysis was conducted of all patients who had prior CRT for at least 6 months and underwent TEER for significant residual functional MR (grade ≥3) and symptomatic heart failure (HF) at our institution.

View Article and Find Full Text PDF

Within the circular bioeconomy the production of optically pure LA from 2nd generation feedstocks would be ideal but it is very challenging. In this paper genetically engineered Escherichia coli strains were created to resolve racemic LA solutions synthesised and produced from the fermentation of organic waste or ensiled grass. Refining LA racemic mixtures into either a D- or L-LA was achieved by cells being able to consume one LA isomer as a sole carbon and energy source while not being able to consume the other.

View Article and Find Full Text PDF

Conduction abnormality post-transcatheter aortic valve implantation (TAVI) remains clinically significant and usually requires chronic pacing. The effect of right ventricular (RV) pacing post-TAVI on clinical outcomes warrants further studies. We identified 147 consecutive patients who required chronic RV pacing after a successful TAVI procedure and propensity-matched these patients according to the Society of Thoracic Surgeons (STS) risk score to a control group of patients that did not require RV pacing post-TAVI.

View Article and Find Full Text PDF

Background: The profiles of cortical gyrification across schizophrenia, bipolar I disorder, and schizoaffective disorder have been studied to a limited extent, report discordant findings, and are rarely compared in the same study. Here we assess gyrification in a large dataset of psychotic disorder probands, categorized according to the DSM-IV. Furthermore, we explore gyrification changes with age across healthy controls and probands.

View Article and Find Full Text PDF