Publications by authors named "Sean O'Neill"

Objective: High disease activity status (HDAS) in patients with systemic lupus erythematosus (SLE) is associated with adverse long-term outcomes. We examined the frequency of lupus low disease activity state (LLDAS) and remission (REM) attainment in HDAS patients and whether their attainment was associated with improved patient outcomes.

Methods: Demographic, clinical and outcomes data, collected prospectively from a multinational cohort between 2013 and 2020, were analysed.

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Introduction: Maintaining cognitive health in later life is a global priority. Encouraging individuals to make health behaviour changes, such as regular physical activity, and providing supportive urban environments can help maintain cognitive health, thereby preventing or delaying the progress of dementia and cognitive decline. However, the mechanistic pathways by which the urban environmental exposome influences cognitive health outcomes are poorly understood.

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Importance: Component separation is a reconstructive technique used to facilitate midline closure of large or complex ventral hernias. Despite a contemporary surge in popularity, the incidence and long-term outcomes after component separation remain unknown.

Objective: To evaluate the incidence and long-term outcomes of component separation for abdominal wall hernia repair.

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Introduction: Obesity is a known risk factor for postoperative complication after ventral or incisional hernia repair (VIHR). Whether minimally invasive techniques can mitigate this risk for certain patients remains unknown. This study investigates whether MIS approaches offer advantages in reducing any medical or surgical complication after VIHR across clinically meaningful BMI categories.

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Background: Thousands of females undergo inguinal hernia repair annually, yet females have been excluded from prior clinical trials evaluating inguinal hernia repairs. Research shows females face worse outcomes after hernia repair compared to males, including higher recurrence rates, increased chronic pain, and limited data to guide treatment. Prospective studies focused on optimizing outcomes for females are critically needed.

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Introduction: Current evidence demonstrates questionable incremental benefit of robotic abdominal wall (ventral) hernia repair when compared to other approaches. However, data are mainly limited to 30-day outcomes and do not capture long-term patient reported outcomes (PROs) where the robotic may provide distinct advantages.

Methods: We analyzed patients who underwent ventral hernia repair from January 2020-September 30, 2022 in the Michigan Surgical Quality Collaborative Core Optimization Hernia Registry (MSQC-COHR).

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Background: Despite being a challenging and morbid clinical problem, operative approaches to recurrent abdominal wall hernia repairs receive little attention. Given this, we performed a retrospective study to evaluate surgical techniques of recurrent abdominal wall hernias requiring reoperation.

Methods: Adult patients from the Michigan Surgical Quality Collaborative Core Optimization Hernia Registry (MSQC-COHR) were included in this study.

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Article Synopsis
  • The lupus low disease activity state (LLDAS) allows some activity in systemic lupus erythematosus (SLE) as long as it stays within certain limits; this study examined the outcomes of patients achieving LLDAS with different levels of activity.
  • A total of 2,099 SLE patients were analyzed over a median follow-up of 3.5 years, revealing that 20.8% had clinical activity, 50.4% had serological activity only, and 28.8% had neither while in LLDAS.
  • Results indicated that all LLDAS subsets reduced the risk of disease flares and damage, with LLDAS showing no activity being the most protective against severe flares.
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Background: Validation of protective associations of the lupus low disease activity state (LLDAS) against flare, irreversible damage, health-related quality of life, and mortality has enabled the adoption of treat-to-target strategies in patients with systemic lupus erythematosus (SLE). Previous validation studies were of short duration, limiting the ability to detect longer term signals in flare rate and irreversible damage. In addition, previous studies have focused on percent time at target, rather than actual periods of time that are more useful in clinical practice and trials.

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Active inflammatory arthritis in pregnancy is associated with an increased risk of adverse pregnancy outcomes. Treatment of active inflammation and maintenance of low disease activity with medication reduces these risks. Therapeutic decisions on disease-modifying antirheumatic drugs (DMARDs) in pregnancy are complicated by safety concerns, which have led to inappropriate withdrawal of treatment and consequential harm to mother and fetus.

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Article Synopsis
  • This study looked at how standard medications for systemic lupus erythematosus (SLE) affect important health outcomes like disease activity, flare-ups, and damage over time, using a substantial patient data set from the Asia Pacific Lupus Collaboration (APLC).
  • Findings showed that a significant percentage of patients reached low disease activity levels, but many also had flares, with variations in medication use across different countries; specifically, some medications appeared to have a steroid-sparing effect.
  • Key results revealed that patients on specific medications like tacrolimus had better odds of achieving low disease activity, while those taking azathioprine and methotrexate were less likely to reach that outcome; however
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To estimate the difference in confidence to become active despite low back pain in people who were exposed to one of 2 video interventions delivered on social media, compared to no intervention. A proof-of-concept, 3-group randomized controlled trial, in a 1:1:1 ratio. Participants aged 18 years and over, with and without low back pain, were recruited via the social media channel Facebook, to view either a humorous video, a neutral video, or to no intervention.

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Endothelial Protein C Receptor (EPCR) is a key regulator of the activated protein C anti-coagulation pathway due to its role in the binding and activation of this protein. EPCR also binds to other ligands such as Factor VII and X, γδ T-cells, plasmodium falciparum erythrocyte membrane protein 1, and Secretory group V Phospholipases A2, facilitating ligand-specific functions. The functions of EPCR can also be regulated by soluble (s)EPCR that competes for the binding sites of membrane-bound (m)EPCR.

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Article Synopsis
  • The study aimed to determine if achieving Lupus Low Disease Activity State (LLDAS) leads to better outcomes for patients with newly diagnosed systemic lupus erythematosus (SLE).
  • Data was collected from a longitudinal SLE cohort in 13 countries, focusing on patients diagnosed within the last year, revealing that these patients had higher disease activity and use of glucocorticoids, but less organ damage initially compared to older patients in the study.
  • Results showed that while fewer patients in the recent onset group were in LLDAS at the start, they were more likely to achieve it during follow-up and LLDAS attainment was linked to a lower risk of disease flare-ups.
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Article Synopsis
  • * Data from a large international cohort of 1,850 mSACQ patients revealed that reducing GCs by 1 mg/day did not increase the risk of overall or severe flares; in fact, the use of antimalarials was linked to a lower risk of flares.
  • * Tapering GCs was found to reduce the risk of damage accrual for patients starting with higher prednisolone doses (over 5 mg/day
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The Picture Exchange Communication System (PECS) is an Augmentative and Alternative Communication (AAC) system which is widely used to support children with developmental disabilities. In the present study, we surveyed individuals responsible for implementing PECS in special educational settings in the United Kingdom (N=283). We explored knowledge of and adherence to the  intervention, with a view to identifying training and support needs.

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Background: Targets of treatment for systemic lupus erythematosus (SLE) include the Lupus Low Disease Activity State (LLDAS), remission, and complete remission. Whether treatment can be tapered after attaining these targets and whether tapering is safer in patients in complete remission compared with LLDAS are unknown. We aimed to assess the odds of disease flares after treatment tapering in stable disease, versus continuing the same therapy.

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The application of photocatalysis for the disinfection of water has been extensively reported over the past 30 years. Titanium dioxide (TiO) has been the most widely and successfully used photocatalyst to date; however, it is not without its limitations. Frequently observed long lag times, sometimes up to 60 min, before bacterial inactivation begins and the presence of residual microorganisms, for example, up to 10 colony forming units, remaining after treatment are ongoing challenges with this particular photocatalyst.

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Background: Documentation of intraoperative details is critical for understanding and advancing hernia care, but is inconsistent in practice. Therefore, to improve data capture on a statewide level, we implemented a financial incentive targeting documentation of hernia defect size and mesh use.

Methods: The Abdominal Hernia Care Pathway (AHCP), a voluntary pay for performance (P4P) initiative, was introduced in 2021 within the statewide Michigan Surgical Quality Collaborative (MSQC).

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Introduction: Sufficient overlap of mesh beyond the borders of a ventral hernia helps prevent hernia recurrence. Guidelines from the European Hernia Society and American Hernia Society recommend ≥ 2 cm overlap for open repair of < 1-cm hernias, ≥ 3-cm overlap for open repair of 1-4-cm hernias, ≥ 5-cm overlap for open repair of > 4-cm hernias, and ≥ 5-cm overlap for all laparoscopic ventral hernia repairs. We evaluated whether current practice reflects this guidance.

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Introduction: The efficacy and outcomes of laparoscopic Nissen fundoplication (LNF) in patients with obesity is controversial. Specifically, concerns regarding long-term outcomes and recurrence in the setting of obesity has led to interest in laparoscopic Roux-en-Y gastric bypass (RYGB).

Methods: In this retrospective cohort study, we studied patients with obesity who underwent either LNF or RYGB for gastroesophageal reflux disease.

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Having the skills to self-manage the demands of academic life in third-level education is critical to the successful completion of courses taken there. Independent study behavior is an aspect of university life that pervades all topics but one that requires the self-management of time in relation to study goals. Individuals with additional educational needs, such as autism, often have difficulty self-managing independent study.

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