Publications by authors named "McNamara D"

Purpose: Rectal prolapse is a common condition, with conflicting opinions on optimal surgical management. Existing literature is predominantly composed of case series, with a dearth of evidence demonstrating current, real-world practice. This study investigated recent national trends in management of rectal prolapse in the Republic of Ireland (ROI).

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Background: Approximately 10% of Crohn's disease (CD) patients have this disease affecting the small bowel (SB) beyond the reach of Ileo-colonoscopy. Capsule endoscopy (SBCE) is the recommended investigation for SB disease. An accurate and inexpensive biomarker would help identify at-risk patients.

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SCN5A encodes the voltage-gated Na+ channel NaV1.5 that is responsible for depolarization of the cardiac action potential and rapid intercellular conduction. Mutations disrupting the SCN5A coding sequence cause inherited arrhythmias and cardiomyopathy, and single-nucleotide polymorphisms (SNPs) linked to SCN5A splicing, localization, and function associate with heart failure-related sudden cardiac death.

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Article Synopsis
  • The mitochondrial apoptosis pathway is regulated by a balance between protective and death-promoting proteins from the BCL-2 family, impacting cancer development and treatment responses.
  • The study revealed that colorectal cancer patients in stages II and III had lower levels of BOK protein in tumors compared to normal tissue, with higher BOK levels unexpectedly linked to worse clinical outcomes.
  • BOK protein levels did not correlate with traditional stress markers but showed a relationship with Calreticulin, suggesting that BOK may serve as a prognostic indicator and influence cancer progression in unique ways.
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Objectives: Value-based payment reforms shift cost-containment responsibilities to the physician. Although gene expression profiling (GEP) utilizing a 21-gene panel among patients with early-stage, axillary lymph node-negative, hormone receptor-positive, HER2/neu oncogene-negative breast cancer is able to identify a cohort that may achieve excellent outcomes without adjuvant chemotherapy, high up-front costs (list price, $4175) could dissuade usage.

Study Design: Retrospective review of consecutive patients with breast cancer treated at a single cancer center.

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Disruptive behaviors can be of comparable or greater concern to parents than the core symptoms of Autism Spectrum Disorder (ASD). Provision of effective interventions to address these behaviors within the first year of initial diagnosis holds great potential for improving the child's, parents', and family's functioning. We piloted a four-session, manualized, positive parenting program on 21 parents of newly diagnosed children ages 2 through 12 years using a mixed methods design.

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The purpose of the New Zealand Child and adolescent asthma guidelines: a quick reference guide is to provide simple, practical, evidence-based recommendations for the diagnosis, assessment and management of asthma in children and adolescents in New Zealand, with the aim of improving outcomes and reducing inequities. The intended users are health professionals responsible for delivering asthma care in the community and hospital emergency department settings, and those responsible for the training of such health professionals.

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Hidradenitis Suppurativa (HS) is characterized by chronic recurrent abscesses, nodules and draining sinus tracts with scar formation. Cutaneous Crohn's Disease (CD) may also present similarly. We wished to identify and describe an Irish cohort with combined HS and CD, with a view to a better recognition of clinical manifestations and understanding of the pathophysiology underlying these two overlapping conditions.

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Background: Recent data imply young patients (age ≤50 years) undergoing small-bowel (SB) capsule endoscopy (CE) for iron deficiency anaemia (IDA) show higher diagnostic yield (DY) for sinister pathology. We aimed to investigate DY of CE in a large cohort of young IDA patients, and evaluate factors predicting significant SB pathology.

Materials And Methods: This was a retrospective, multicentre study (2010-2015) in consecutive, young patients (≤50 years) from 18 centres/12 countries, with negative bidirectional gastrointestinal (GI) endoscopy undergoing SBCE for IDA.

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We present a patient with coeliac disease who developed refractory coeliac disease II, which was complicated by the development of metachronous lymphomas.

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Objective: This study aimed to determine the impact of surgical training on lifestyle and parenthood, and to assess for gender-based workplace issues.

Background: The effects of a surgical career on lifestyle are difficult to quantify and may vary between male and female doctors. A gender gap is present in the highest tiers of the profession, and reasons why women do not attain senior positions are complex but likely relate to factors beyond merit alone.

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Objective: The aim of this work was to evaluate the hypothesis that the distribution of circulating immune cell subsets, or their activation state, is significantly different between peripartum cardiomyopathy (PPCM) and healthy postpartum (HP) women.

Background: PPCM is a major cause of maternal morbidity and mortality, and an immune-mediated etiology has been hypothesized. Cellular immunity, altered in pregnancy and the peripartum period, has been proposed to play a role in PPCM pathogenesis.

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Background: The effect of obesity on the clinicopathological characteristics of colorectal cancer (CRC) has not been clearly characterized. This meta-analysis assesses the pathological and perioperative outcomes of obese patients undergoing surgical resection for CRC.

Methods: Meta-analysis was performed using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines.

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Inflammatory bowel disease (IBD) is an immune-mediated inflammatory condition causing inflammation of gastrointestinal and systemic cells, with an increasing prevalence worldwide. Many factors are known to trigger and maintain inflammation in IBD including the innate and adaptive immune systems, genetics, the gastrointestinal microbiome and several environmental factors. Our knowledge of the involvement of the immune system in the pathophysiology of IBD has advanced rapidly over the last two decades, leading to the development of several immune-targeted treatments with a biological source, known as biologic agents.

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Introduction: Glucocorticoids are known to modulate a number of immunological responses including counteracting inflammation. Within tissues expressing the glucocorticoid and mineralocorticoid receptors including the colon, glucocorticoid metabolism is regulated by the isoenzymes of 11ß-hydroxysteroid dehydrogenase (11β-HSD). 11β-HSD1 acts as an oxidoreductase converting inactive cortisone into active cortisol, while 11β-HSD2 acts as a dehydrogenase converting active cortisol to inactive cortisone.

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Background And Aim: Anti-tumor necrosis factor alpha (TNFα) therapies have improved outcomes for patients with inflammatory bowel disease. The aim of this study was to explore the relationship between infliximab (IFX) and adalimumab (ADL) trough and antibody levels with clinical response rates at the end of induction.

Methods: This was a prospective, single-center study.

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Aim: To assess the use of serum levels of angiopoietin-1 (Ang1), Ang2 and tumor necrosis factor-α (TNFα) as predictive factors for small bowel angiodysplasia (SBA).

Methods: Serum samples were collected from patients undergoing capsule endoscopy for any cause of obscure gastrointestinal bleeding (OGIB) or anaemia. Based on small bowel findings patients were divided into 3 groups: (1) SBA; (2) other bleeding causes; and (3) normal, according to diagnosis.

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Last year, the centenary of the 1916 Easter rising in Ireland was marked by a commemorative programme organised by the Irish government including both historical and cultural events. The main themes of these events were remembering the past, celebrating Irish achievements and imagining our future. Reviewing the medical literature offers an insight into a century of achievement and change in Irish medicine, captured from the unique perspective of Ireland's oldest medical journal.

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Background: There are sex differences in mortality while awaiting heart transplantation, and the reason remains unclear.

Methods And Results: We included all adults in the Scientific Registry of Transplant Recipients placed on the heart transplant active waitlist from 2004 to 2015. The primary end point was all-cause mortality.

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Capsule endoscopy (CE) has become a first-line noninvasive tool for visualisation of the small bowel (SB) and is being increasingly used for investigation of the colon. The European Society of Gastrointestinal Endoscopy (ESGE) guidelines have specified requirements for the clinical applications of CE. However, there are no standardized recommendations yet for CE training courses in Europe.

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Introduction: The finding of a raised intraepithelial lymphocytes (IELs) count with normal villous architecture is of sufficient clinical importance to be reported in routine duodenal biopsies.

Aim: To study the clinical and demographic data of patients with isolated increased IELs on duodenal biopsy.

Methods: A single-tertiary-centre retrospective study was carried out with a review of medical records of patients with increased IELs.

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To date, the monitoring of fast-bowling workloads across training and competition environments has been limited to counting total balls bowled. However, bowling at faster velocities is likely to require greater effort while also placing greater load on the bowler. This study investigated the relationship between prescribed effort and microtechnology outputs in fast bowlers to ascertain whether the technology could provide a more refined measure of workload.

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