Publications by authors named "Michael West"

Consistently engaging with client distress can negatively impact mental health workers (MHWs). This has been described by the concept of empathy-based stress (EBS) (which encompasses burnout; secondary traumatic stress; compassion fatigue and vicarious trauma). Previous reviews of interventions to reduce EBS have not addressed MHWs as a distinct group, despite evidence suggesting they are particularly vulnerable to it.

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Background: Intracavernosal injection therapy is often used as second-line therapy for erectile dysfunction associated with radical prostatectomy when therapy with phosphodiesterase-5 inhibitors has failed, but prostaglandin E1-containing vasoactive agents are associated with penile pain in some men.

Objectives: To define the incidence of pain with prostaglandin E1-containing intracavernosal injection mixtures for erectile dysfunction associated with radical prostatectomy when therapy with phosphodiesterase-5 inhibitors has failed, and whether pain was a predictor of erectile function recovery.

Materials And Methods: Men who underwent radical prostatectomy and were commenced on intracavernosal injection within 12 months of radical prostatectomy were included.

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Article Synopsis
  • Defibrillation leads are crucial for implantable cardioverter-defibrillators (ICDs), and the LEADR trial tested the new OmniaSecure lead, showing strong safety, efficacy, and zero fractures over about 13 months.
  • The study aimed to project the long-term, 10-year fracture-free survival of the OmniaSecure lead using advanced reliability modeling and in-vivo imaging techniques.
  • Results indicated a 98.2% projected fracture-free survival rate over 10 years for the OmniaSecure lead, especially beneficial for adolescents, surpassing the performance of existing leads.
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Background: Vasculogenic erectile dysfunction is the most common type of erectile dysfunction, and penile Doppler ultrasound (PDUS) is a useful tool to assess erectile hemodynamics in the clinician's effort to discuss prognosis and management strategies with the patient.

Aim: We herein describe the PDUS protocol used at our center, including indications, technique, and data interpretation.

Methods: We describe our institutional experience with PDUS and discuss it in the context of a contemporary review of the literature for this investigation.

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Fabry disease is a progressive, X-linked lysosomal disorder caused by reduced or absent α-galactosidase A activity due to GLA variants. The effects of migalastat were examined in a cohort of 125 Fabry patients with migalastat-amenable GLA variants in the followME Pathfinders registry (EUPAS20599), an ongoing, prospective, patient-focused registry evaluating outcomes for current Fabry disease treatments. We report annualised estimated glomerular filtration rate (eGFR) and Fabry-associated clinical events (FACEs) in a cohort of patients who had received ≥3 years of migalastat treatment in a real-world setting.

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Background: Conduction system pacing (CSP), including His-bundle pacing (HBP) and left bundle branch area pacing (LBBAP), has been used as an alternative for pacemaker indicated patients requiring ventricular pacing.

Objective: The purpose of this study was to characterize the safety and performance of HBP and LBBAP among patients enrolled in the Medtronic product surveillance registry (PSR).

Methods: This observational analysis included patients who underwent pacemaker implantations for HBP or LBBAP with a Medtronic Model 3830 lead between January 2019 and December 2023 in the Medtronic PSR.

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An intermolecular nickel-catalyzed reductive 1,2-alkylarylation of acrylates with cyclopropylamine NHP esters and aryl iodides is reported. This operationally simple protocol provides direct access to 1-alkylcyclopropylamine scaffolds. The mild conditions are compatible with four-membered α-amino strained rings as well as five- and six-membered ring systems.

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Article Synopsis
  • The OmniaSecure defibrillation lead is a new, small-diameter lead aimed at improving targeted placement for better long-term performance in implantable cardioverter-defibrillators.
  • The LEADR pivotal clinical trial involved 643 patients and showed that the lead was successfully placed in the correct position for 99.5% of participants, with a 97.5% success rate for defibrillation at implantation.
  • The trial results indicated high safety and efficacy, with a 97.1% freedom from major complications and no lead fractures over an average follow-up of 12.7 months.
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Objectives: Improved life expectancy has led to an ageing population of people living with HIV in most countries. Research on ageing among people living with HIV has predominantly focused on physical and health-related quality of life rather than multidimensional quality of life. We measured quality of life among older people living with HIV in Australia and identified opportunities to guide the development and implementation of appropriate interventions.

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The study of kinematic hand synergies through matrix decomposition techniques, such as singular value decomposition, supports the theory that humans might control a subspace of predefined motions during manipulation tasks. These subspaces are often referred to as synergies. However, different data pre-processing methods lead to quantitatively different conclusions about these synergies.

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Human pluripotent stem cells (hPSCs) can be used as a renewable source of endothelial cells for treating cardiovascular disease and other ischemic conditions. Here, we present the derivation and characterization of a panel of distinct clonal embryonic endothelial progenitor cells (eEPCs) lines that were differentiated from human embryonic stem cells (hESCs). The hESC line, ESI-017, was first partially differentiated to produce candidate cultures from which eEPCs were cloned.

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  • Pegunigalsidase alfa is a new enzyme-replacement therapy approved for treating Fabry disease, evaluated for 12 months in a phase 3 study involving adults previously treated with agalsidase alfa.
  • The study found that pegunigalsidase alfa was well-tolerated, with most adverse events being mild or moderate, and showed a significant reduction in the annual decline of kidney function compared to prior treatment.
  • Overall, a portion of patients developed antibodies against the treatment, but this did not negatively affect their kidney function, suggesting pegunigalsidase alfa could be a promising option for Fabry disease management.
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Background/aims: Optical coherence tomography angiography (OCT-A) images are subject to variability, but the extent to which learning impacts OCT-A measurements is unknown. We determined whether there is a learning effect in glaucoma patients and healthy controls imaged with OCT-A.

Methods: Ninety-one open-angle glaucoma patients and 54 healthy controls were imaged every 4 months over a period of approximately 1 year in this longitudinal cohort study.

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A biomarker profile was evaluated longitudinally in patients with Fabry disease switched from enzyme-replacement therapy (ERT) to migalastat. 16 Gb isoforms and eight lyso-Gb analogues were analyzed in plasma and urine by LC-MS/MS at baseline and at three different time points in naive participants and participants switching from either agalsidase α or β to migalastat. 29 adult participants were recruited internationally (seven centers).

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Background: The Noom Weight program is a smartphone-based weight management program that uses cognitive behavioral therapy techniques to motivate users to achieve weight loss through a comprehensive lifestyle intervention.

Objective: This retrospective database analysis aimed to evaluate the impact of Noom Weight use on health care resource utilization (HRU) and health care costs among individuals with overweight and obesity.

Methods: Electronic health record data, insurance claims data, and Noom Weight program data were used to conduct the analysis.

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Purpose: The underlying functional and microstructural lung disease in neonates who are born preterm (bronchopulmonary dysplasia, BPD) remains poorly characterized. Moreover, there is a lack of suitable techniques to reliably assess lung function in this population. Here, we report our preliminary experience with hyperpolarized Xe MRI in neonates with BPD.

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Infused biologics, such as pegloticase, are a core component of managing uncontrolled gout, which is increasing in prevalence. Pegloticase is often the last line of therapy for patients with uncontrolled gout; therefore, achieving a successful course of treatment is critical. The infusion nurse's role in patient education, serum uric acid monitoring, and patient medication compliance is essential for ensuring patient safety and maximizing the number of patients who benefit from a full treatment course of pegloticase.

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Men 75 and older presenting with localized prostate cancer have traditionally not been managed with surgery. Therefore, we compared the morbidity and operative outcomes of radical prostatectomy (RP) in men 75 and older to their younger counterparts. We utilized the American College of Surgeons National Surgical Quality Improvement Program database to gather subjects who received a minimally invasive RP (CPT: 55866) from 2016 to 2020.

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The safety and efficacy of lentivirus-mediated gene therapy was recently demonstrated in five male patients with Fabry disease-a rare X-linked lysosomal storage disorder caused by gene mutations that result in multiple end-organ complications. To evaluate the risks of clonal dominance and leukemogenesis, which have been reported in multiple gene therapy trials, we conducted a comprehensive DNA insertion site analysis of peripheral blood samples from the five patients in our gene therapy trial. We found that patients had a polyclonal integration site spectrum and did not find evidence of a dominant clone in any patient.

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Background: Airway clearance therapy (ACT) with a high-frequency chest wall oscillation (HFCWO) vest is a common but time-consuming treatment. Its benefit to quality of life for cystic fibrosis (CF) patients is well established but has been questioned recently as new highly-effective modulator therapies begin to change the treatment landscape. Xe ventilation MRI has been shown to be very sensitive to lung obstruction in mild CF disease, making it an ideal tool to identify and quantify subtle, regional changes.

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Humans have an astonishing ability to extract hidden information from the movement of others. In previous work, subjects observed the motion of a simulated stick-figure, two-link planar arm and estimated its stiffness. Fundamentally, stiffness is the relation between force and displacement.

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