Publications by authors named "Sj Mercer"

Background: Emergency surgical admissions represent the majority of general surgical workload. Interhospital variations in outcomes are well recognized. This analysis of a national laparotomy data set compared the best- and worst-performing hospitals according to 30-day mortality and examined differences in process and structural factors.

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Background: The adoption of robotic platforms in upper gastrointestinal (GI) surgery is expanding rapidly. The absence of centralised guidance and governance in adoption of new surgical technologies may lead to an increased risk of patient harm.

Methods: Surgeon stakeholders participated in a Delphi consensus process following a national open-invitation in-person meeting on the adoption of robotic upper GI surgery.

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Image-guided assessment of bile ducts and associated anatomy during laparoscopic cholecystectomy can be achieved with intra-operative cholangiography (IOC) or laparoscopic ultrasound (LUS). Rates of robotically assisted cholecystectomy (RC) are increasing and herein we describe the technique of intra-corporeal biliary ultrasound during RC using the Da Vinci system. For intraoperative evaluation of the biliary tree during RC, in cases of suspected choledocholithiasis, the L51K Ultrasound Probe (Hitachi, Tokyo, Japan) is used.

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Background: The adoption of new surgical technologies is inevitably accompanied by a learning curve. With the increasing adoption of robotic techniques in benign foregut surgery, it is imperative to define optimal learning pathways, to ensure a clinically safe introduction of such a technique. The aim of this study was to assess the learning curve for robotic hiatal hernia repair with a pre-defined adoption process and proctoring.

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Laparoscopic cholecystectomy has become the standard of care for the treatment of symptomatic gallstone disease. In the context of the increasing uptake of robotic surgery, robotic cholecystectomy has seen a substantial growth over the past decades. Despite this, a formal assessment of the evidence for this practice remains elusive and a randomised controlled trial is yet to be performed.

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Background: Emergency general surgery (EGS) admissions account for a large proportion of surgical care and represent the majority of surgical patients who suffer in-hospital mortality. Health care systems continue to experience growing demand for emergency services: one way in which this is being increasingly addressed is dedicated subspecialty teams for emergency surgical admissions, most commonly termed "emergency general surgery" in the United Kingdom. This study aims to understand the impact of the emergency general surgery model of care on outcomes from emergency laparotomies.

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Background: Robot-assisted minimally invasive esophagectomy (RAMIE) is gaining increasing popularity as an operative approach. Learning curves to achieve surgical competency in robotic-assisted techniques have shown significant variation in learning curve lengths and outcomes. This study aimed to summarize the current literature on learning curves for RAMIE.

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Background: Despite overwhelming evidence of the clinical and financial benefit of urgent cholecystectomy, there is variable enthusiasm and uptake across the UK. In 2014, following the First National Emergency Laparotomy Audit Organisational Report, we implemented a specialist-led urgent surgery service, whereby all patients with gallstone-related pathologies were admitted under the direct care of specialist upper gastrointestinal surgeons. We have analysed 5 years of data to investigate the results of this service model.

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Introduction: Appendicitis continues to be a common surgical emergency in children, but its diagnosis remains challenging. Use of diagnostic imaging to confirm appendicitis has gained popularity in some countries because it is associated with lower negative appendicectomy rates. This study reports our centre's experience of adopting routine ultrasound for the investigation of suspected appendicitis in children.

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Background: Risk stratification has become a key part of the care processes for patients having emergency bowel surgery. This study aimed to determine if operative approach influences risk-model performance, and risk-adjusted mortality rates in the United Kingdom.

Methods: A prospectively planned analysis was conducted using National Emergency Laparotomy Audit (NELA) data from December 2013 to November 2018.

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Introduction: This paper assessed the association between operative approach and postoperative in-hospital mortality in elderly patients undergoing emergency abdominal surgery. Patients undergoing emergency laparotomy have high morbidity and mortality rates. One-third of patients requiring emergency surgery are over 75 years old, and their in-hospital mortality rate exceeds 17%.

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Objective: We utilized a population dataset to compare outcomes for patients where surgery was independently performed by trainees to cases led by a consultant.

Summary Of Background Data: Emergency laparotomy is a common, high-risk, procedure. Although trainee involvement to improve future surgeons' experience and ability in the management of such cases is crucial, some studies have suggested this is to the detriment of patient outcomes.

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Background: There is limited evidence regarding the overall feasibility and success rates of the laparoscopic approach in major emergency surgery, despite its potential to improve outcomes. This study aims to investigate the association between patient, procedural, and surgical factors and likelihood of successful laparoscopic completion in emergency major surgery and derive a predictive model to aid clinical decision-making.

Method: All patients recorded in the NELA emergency laparotomy database 1 December 2013-31 November 2018 who underwent laparoscopically attempted surgery were included.

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Background: Laparoscopy has been widely adopted in elective abdominal surgery but is still sparsely used in emergency settings. The study investigated the effect of laparoscopic emergency surgery using a population database.

Methods: Data for all patients from December 2013 to November 2018 were retrieved from the NELA national database of emergency laparotomy for England and Wales.

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Introduction: Laparoscopic adhesiolysis is increasingly being used to treat adhesional small bowel obstruction (ASBO) as it has been associated with reduced postoperative length of stay (LOS) and faster recovery. However, concerns regarding limited working space, iatrogenic bowel injury and failure to relieve the obstruction have limited its uptake. This study reports our centre's experience of adopting laparoscopy as the standard operative approach.

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Introduction: The UK has an ageing population with an increased prevalence of frailty in the over 70s. Emergency laparotomy for acute intra-abdominal pathology is increasingly offered to this population. This can challenge decision making and information given to patients should not only be based on mortality outcomes but on relative expected quality of life and change to frailty syndromes.

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The Role 2 Afloat (R2A) is the Royal Navy (RN)'s Damage Control Resuscitation (DCR), including Damage Control Surgery, capability at sea. There are currently three operating department practitioners (ODP) in the deployed team. This article describes the role of the ODP in this team and the training which is required to fulfil this role.

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Purpose: Emergency department thoracotomy (EDT) is a potentially life-saving procedure, performed on patients suffering traumatic cardiac arrest. Multiple indications have been reported, but overall survival remains unclear for each indication. The objective of this systematic review is to determine overall survival, survival stratified by indication, and survival stratified by geographical location for patients undergoing EDT across the world.

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Little is known on integrating HIV and family planning (FP) services in community settings. Using a cluster randomized controlled design, we conducted a formative assessment in two districts in Uganda where community health workers, called VHTs, already offered FP. Thirty-six trained VHTs also provided HIV testing and counseling (HTC) during the intervention.

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Background Acute abdominal pathology requiring emergency laparotomy is a common surgical presentation. Despite its widespread implementation in other surgical procedures, laparoscopy, rather than laparotomy, is sparingly used in major emergency surgery. This study reports outcomes and impact of rising use of laparoscopy for a single high-volume district general hospital.

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Human factors in anaesthesia were first highlighted by the publication of the Anaesthetists Non-Technical Skills Framework, and since then an awareness of their importance has gradually resulted in changes in routine clinical practice. This review examines recent literature around human factors in anaesthesia, and highlights recent national reports and guidelines with a focus on team working, communication, situation awareness and human error. We highlight the importance of human factors in modern anaesthetic practice, using the example of complex trauma.

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Background: The expert performance approach can be used to examine expertise during representative field-based tasks, while collecting process-tracing measures such as think-aloud verbal reports. Collecting think-aloud verbal reports provides an insight into the cognitive mechanisms that support performance during tasks.

Method: We examined the thought processes and performance of anaesthetists during simulated environments.

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