Publications by authors named "Burr N"

Giant colonic diverticulum is an uncommon presentation of colonic diverticular disease. It is characterised by the presence of a diverticulum exceeding 4 cm in size, with approximately 90% of the cases involving the sigmoid colon. Typically, diagnosis relies on CT of the abdomen and pelvis (CTAP).

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Objective: Studies in the USA examining the relationship between ethnicity and colorectal cancer (CRC) identified significant variation. This study sought to examine the relationship between ethnic group, route to diagnosis, early-onset CRC and stage at diagnosis in the English National Health Service.

Methods: Data from COloRECTal cancer data Repository for all individuals diagnosed with CRC (International Classification of Diseases version 10, C18-C20) between 2012 and 2017.

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Background: This study investigated the application of Duty of Candour (DoC) legislation in the context of post-colonoscopy colorectal cancers (PCCRCs). DoC mandates transparent disclosure of notifiable safety incidents to patients in the English National Health Service, including incidences leading to severe or moderate harm. This study aimed to analyze the application of DoC in PCCRCs, improve understanding of the legislation, and identify challenges in DoC implementation.

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Article Synopsis
  • In 2018, the World Endoscopy Organization (WEO) established standardized methods to calculate post-colonoscopy colorectal cancer rates over three years (PCCRC-3yr), prompting a systematic review to assess global rates and associated risk factors.
  • The review analyzed studies from five databases and included eight studies totaling over 220,000 colorectal cancer cases, finding a pooled PCCRC-3yr rate of 7.5% that significantly decreased from 7.9% in 2006 to 6.7% in 2012.
  • Higher PCCRC rates were linked to specific risk factors, including inflammatory bowel disease, prior colorectal cancer, proximal cancer location, diverticular disease, and being female, undersc
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Introduction: Flexor tendons are traditionally repaired under either general anaesthesia (GA) or regional anaesthesia (RA), allowing for the use of an arm tourniquet to minimise blood loss and establish a bloodless surgical field. However, the use of tourniquets exposes the patient to certain risks, including skin, muscle and nerve injuries. A recent advancement in anaesthesia delivery involves the use of a wide-awake approach where no sedation nor tourniquets are used (wide-awake local anaesthesia no tourniquet (WALANT)).

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In 2016, the British Society of Gastroenterology (BSG) published comprehensive guidelines for obtaining consent for endoscopic procedures. In November 2020, the General Medical Council (GMC) introduced updated guidelines on shared decision making and consent. These guidelines followed the Montgomery ruling in 2015, which changed the legal doctrine determining what information should be given to a patient before a medical intervention.

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Unaccustomed eccentric exercise results in muscle damage limiting physical performance for several days. This study investigated if Greenshell™ mussel (GSM) powder consumption expedited muscle recovery from eccentric exercise-induced muscle damage (EIMD). Methods: Twenty untrained adult men were recruited into a double-blind, placebo-controlled, cross-over study and were randomly assigned to receive the GSM powder or placebo treatment first.

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Adenoid cystic carcinoma (ACC) patients face a highly infiltrative and metastatic disease characterized by poor survival rates and suboptimal response to available therapies. We have previously shown that sensitization of ACC tumors to chemotherapy using histone deacetylase inhibitors (HDACi) constitutes a promising therapeutic strategy to manage tumor growth. Here, we used patient-derived xenografts (PDX) from ACC tumors to evaluate the effects of in vivo administration of the HDAC inhibitor Entinostat combined with Cisplatin over tumor growth.

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Introduction: Patients with inflammatory bowel diseases (IBDs) of the colon are at an increased risk of colorectal cancer (CRC). This study investigates the epidemiology of IBD-CRC and its outcomes.

Methods: Using population data from the English National Health Service held in the CRC data repository, all CRCs with and without prior diagnosis of IBD (Crohn's, ulcerative colitis, IBD unclassified, and IBD with cholangitis) between 2005 and 2018 were identified.

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Background: Studies have demonstrated a higher risk of developing colorectal cancer (CRC) in individuals with Cystic Fibrosis (CF), and also a potentially increased risk in carriers of cystic fibrosis transmembrane conductance regulator (CFTR) mutations. Life expectancy for those with CF is rising, increasing the number at risk of developing CRC.

Methods: The incidence of CRC amongst individuals with CF was calculated using data from CORECT-R and linked UK CF Registry and Secondary User Services (SUS) data.

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Objective: Biological therapies and small molecules continue to be evaluated in moderate to severely active ulcerative colitis, but are often studied in placebo-controlled trials, meaning their relative efficacy and safety is unknown. We examined this in a network meta-analysis.

Design: We searched the literature to October 2021 to identify eligible trials.

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Operative repair of flexor tendons after traumatic injury may be performed under general anesthesia (GA), regional blocks, or a wide-awake local anesthesia no tourniquet (WALANT) technique. To our knowledge there are currently no large-scale reports evaluating outcomes of flexor tendon repair in patients where wide-awake anesthesia was utilized in comparison to regional anesthesia (RA) and general anesthesia. We performed a retrospective analysis of patients who underwent treatment for flexor tendon injuries at a tertiary referral center for hand surgery over a two-year period.

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Background: Effective therapies are lacking for recurrent, metastatic adenoid cystic carcinoma (R/M ACC) and preclinical models suggest retinoic acid agonists inhibit ACC growth. This phase II trial evaluated all-trans retinoic acid (ATRA) as a novel therapy for ACC.

Methods: Patients with R/M ACC (any site) with clinical and/or radiographic progression ≤12 months prior to study entry were eligible.

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Importance: Cubital tunnel syndrome is the second most common compressive neuropathy, affecting 6% of the population. Numerous different operations are performed globally to treat it; however, prior conventional (pairwise) meta-analyses have been unable to determine which procedure is associated with the best outcomes and fewest complications.

Objective: To evaluate which operation for cubital tunnel syndrome is associated with the greatest likelihood of symptomatic cure.

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Yeast impact homolog 1 (Yih1), or IMPACT in mammals, is part of a conserved regulatory module controlling the activity of General Control Nonderepressible 2 (Gcn2), a protein kinase that regulates protein synthesis. Yih1/IMPACT is implicated not only in many essential cellular processes, such as neuronal development, immune system regulation and the cell cycle, but also in cancer. Gcn2 must bind to Gcn1 in order to impair the initiation of protein translation.

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Issue Addressed: Men in the Northern Suburbs of Launceston, Tasmania, experience substantially poorer health outcomes and socio-economic disadvantage than most Australians. They are often described as "hard-to-reach," meaning difficult to engage in research, health promotion, policy and planning. This paper summarises the OPHELIA process to combine health literacy profiling with engagement of local men in health promotion, and their experience of the process and outcomes.

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Objective: There is uncertainty around preoperative skin antisepsis in clean surgery. Network meta-analysis provides more precise estimates than standard pairwise meta-analysis and can rank interventions by efficacy, to better inform clinical decisions.

Background: Infection is the most common and costly complication of surgery.

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