
Andrew BeamishSwansea University | SWAN · Welsh Institute of Metabolic and Obesity Surgery
Andrew Beamish
MBBCh MSc MD FRCS
About
157
Publications
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Introduction
Additional affiliations
August 2014 - August 2017
March 2020 - present
Swansea University Medical School
Position
- Honorary Senior Clinical Lecturer
August 2014 - present
Publications
Publications (157)
Background:
Severe obesity in adolescence is associated with reduced life expectancy and impaired quality of life. Long-term benefits of conservative treatments in adolescents are known to be modest, whereas short-term outcomes of adolescent bariatric surgery are promising. We aimed to compare 5-year outcomes of adolescent surgical patients after...
Obesity is a major global health problem, and its multisystem effects are inextricably linked with elevated cardiovascular risk and adverse outcomes. The cardiovascular benefits of reversing obesity in adults are well-established. Compared with other weight-loss strategies, programmes that incorporate bariatric surgery for weight loss are beneficia...
Background:
Laparoscopic Roux-en-Y gastric bypass (RYGB) causes changes in body composition and bone metabolism, yet little is known about effects in adolescents.
Objectives:
The objective of this study was to report dual-energy X-ray absorptiometry measures and serum bone markers, hypothesizing that bone turnover increases after surgery.
Metho...
ASiT has long maintained that in order to provide the best quality care to patients in the UK and Republic of Ireland, it is critical that surgeons are trained to the highest standards. In addition, it is imperative that surgery remains an attractive career choice, with opportunities for career progression and job satisfaction to attract and retain...
Since a previous systematic review published in 2016, there have been further studies investigating the association of changes in cognitive function following bariatric surgery. All studies since the original review that reported at least one element of cognitive function before and after bariatric surgery were eligible. A total of 137 additional s...
Background
Severe obesity during childhood is associated with cognitive deficits. Studies in adults have suggested improvements in executive functioning and memory after bariatric surgery. Our aim was to explore changes in cognitive function in adolescents over two years after bariatric surgery or intensive non-surgical treatment.
Methods
The Adol...
Introduction
The PROCESS guidelines were developed in 2016 in order to improve the reporting quality of surgical case series. Since its inception, it has been updated twice, in 2018 and 2020, and has been cited over 1000 times. PROCESS guidelines have enjoyed great acceptance within the surgical research community. Our aim is to update the PROCESS...
BACKGROUND: The CovidSurg-Cancer Consortium aimed to explore the impact of COVID-19 in surgical patients and services for solid cancers at the start of the pandemic. The CovidSurg-Gynecologic Oncology Cancer subgroup was particularly concerned about the magnitude of adverse outcomes caused by the disrupted surgical gynecologic cancer care during th...
Background: Healthcare cannot achieve net-zero carbon without addressing operating theatres. The aim of this study was to prioritize feasible interventions to reduce the environmental impact of operating theatres.
Methods: This study adopted a four-phase Delphi consensus co-prioritization methodology. In phase 1, a systematic review of published i...
Background:
The Surgical CAse REport (SCARE) guidelines were first published in 2016 as a tool for surgeons to document and report their surgical cases in a standardised and comprehensive manner. However, with advances in technology and changes in the healthcare landscape, it is important to revise and update these guidelines to ensure they remain...
Background:
Roux-en-Y gastric bypass (RYGB) among adolescents with obesity results in significant weight loss; however, depot-specific changes have been understudied.
Objective:
We hypothesized that visceral adipose tissue (VAT) reduction in adolescents undergoing RYGB would be greater than other depots and associated with improvement in cardiom...
The COVID-19 pandemic exposed the fragility of electivesurgical and anaesthesia services, resulting in millions ofoperations being cancelled across the world1. As healthsystems plan post-COVID recovery of elective surgicalservices, they should identify potential future external risksto surgical services2. Extreme weather events resulting fromclimat...
Severe obesity in adolescence negatively impacts upon health and wellbeing. Lifestyle modifications do not usually achieve a sufficient degree or durability of weight loss to mitigate the risk of medical complications. In recent years, metabolic and bariatric surgery (MBS), already a well-established treatment for adults with severe obesity, has em...
Metabolic and bariatric surgeryMetabolic and bariatric surgery (MBS) is well known to provide substantial improvement in cardiometabolic health and comorbid disease states. In the absence of high-volume long-term survival data, these factors have often been utilized as surrogate measures of potential future and lifelong health, and hence survival....
Background:
Severe obesity in adolescents has a profound impact on current and future health. Metabolic and bariatric surgery (MBS) is increasingly used in adolescents internationally. However, to our knowledge, there are no randomised trials examining the currently most used surgical techniques. Our aim was to evaluate changes in BMI and secondar...
Background
Roux-en-Y gastric bypass surgery is an important treatment for obesity and it's related diseases, however internal herniation and small bowel obstruction from mesenteric defects can lead to reoperation in 10–16% of patients. This can be early (<30 days) or late. Routine closure of meso-jejunal defecfs and/or Petersens defect is still not...
Machine learning risk prediction of mortality for patients undergoing surgery with perioperative SARS-CoV-2: the COVIDSurg mortality score
Understanding what the current generation of trainees want to achieve is the key to understanding the future of the workforce
Introduction
Reform to surgical training over the last three decades has significantly affected the surgical workforce, career planning and progression. Despite changes to consultant job plans, there are no published data o...
Severe obesity in adolescence profoundly impacts health and social wellbeing. Lifestyle modifications are seldom successful in maintaining sufficient weight loss to mitigate the risk of complications. Metabolic and Bariatric surgery (MBS) is a standard treatment for adult patients and has emerged as an option for adolescent patients. Several high-q...
Background
This study aimed to determine the impact of pulmonary complications on death after surgery both before and during the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic.
Methods
This was a patient-level, comparative analysis of two, international prospective cohort studies: one before the pandemic (January–October 201...
There is little evidence around the potentially protective role of previous Bacillus Calmette-Guerin (BCG) vaccination on postoperative mortality in patients with perioperative SARS-CoV-2 vaccination. Prior BCG vaccination did not protect SARS-CoV-2 infected patients against postoperative pulmonary complications and 30-day mortality.
Introduction
Strengthening The Reporting Of Cohort Studies in Surgery (STROCSS) guidelines were developed in 2017 in order to improve the reporting quality of observational studies in surgery and updated in 2019. In order to maintain relevance and continue upholding good reporting quality among observational studies in surgery, we aimed to update S...
Introduction
Strengthening The Reporting Of Cohort Studies in Surgery (STROCSS) guidelines were developed in 2017 in order to improve the reporting quality of observational studies in surgery and updated in 2019. In order to maintain relevance and continue upholding good reporting quality among observational studies in surgery, we aimed to update S...
Introduction
Strengthening The Reporting Of Cohort Studies in Surgery (STROCSS) guidelines were developed in 2017 in order to improve the reporting quality of observational studies in surgery and updated in 2019. In order to maintain relevance and continue upholding good reporting quality among observational studies in surgery, we aimed to update S...
Background
The utility of Workplace-Based Assessments (WBAs) in surgical training depends on the way they are completed. This study aims to ascertain the real-world usage of WBAs, as perceived by UK surgical trainees.
Methods
An anonymous national online questionnaire was conducted via the Association of Surgeons in Training (ASiT). The evaluation...
Introduction
Operative cases recording is essential to demonstrate experience. However, indicative numbers may incentivise overstatement or misrepresentation of experience. This study aimed to determine the perceptions of eLogbook use by UK trainees.
Methods
An anonymous online questionnaire was disseminated electronically using a yield-maximizati...
Background: Coronavirus disease 2019 (COVID-19) was declared a pandemic by the WHO on 11 March 2020 and global surgical practice was compromised. This Commission aimed to document and reflect on the changes seen in the surgical environment during the pandemic, by reviewing colleagues’ experiences and published evidence.
Methods: In late 2020, BJS...
Background Surgery is the main modality of cure for solid cancers and was prioritised to continue during COVID-19 outbreaks. This study aimed to identify immediate areas for system strengthening by comparing the delivery of elective cancer surgery during the COVID-19 pandemic in periods of lockdown versus light restriction.
Background: Surgery is the main modality of cure for solid cancers and was prioritised to continue during COVID-19 outbreaks. This study aimed to identify immediate areas for system strengthening by comparing the delivery of elective cancer surgery during the COVID-19 pandemic in periods of lockdown versus light restriction. Methods: This internati...
Introduction:
Surgeons and allied professionals have been quick to respond to the need for evidence during the COVID-19 pandemic. The Royal College of Surgeons of England (RCS England) has provided formal recognition, support and guidance to all members of its interdisciplinary collaborative COVID Research Group (RCS CRG). We describe research con...
To support the global restart of elective surgery, data from an international prospective cohort study of 8492 patients (69 countries) was analysed using artificial intelligence (machine learning techniques) to develop a predictive score for mortality in surgical patients with SARS-CoV-2. We found that patient rather than operation factors were the...
Purpose of Review
The prevalence of obesity is increasing in all age groups. Following its success in adults, and with limited success using conservative therapies, metabolic and bariatric surgery (MBS) is increasingly being utilized in adolescents. This review highlights the current evidence and guidelines supporting its use.
Recent Findings
Safe...
Objective
The study aimed to investigate the heterogeneity of weight loss 5 years after Roux-en-Y gastric bypass (RYGB) and the association with cardiometabolic health as well as to model prediction estimates of surgical treatment failure.
Design
Retrospective analysis of prospectively collected data from the Scandinavian Obesity Surgery Registry...
Aim This study aimed to describe the change in surgical practice and the impact of SARS-CoV-2 on mortality after surgical resection of colorectal cancer during the initial phases of the SARS-CoV-2 pandemic. Method This was an international cohort study of patients undergoing elective resection of colon or rectal cancer without preoperative suspicio...
Background:
Despite the modest effects of behavioral treatment on obesity in adolescence, bariatric surgery is rarely performed. Obesity often persists from childhood to adulthood, but it is not known how many individuals proceed with bariatric surgery in young adulthood.
Objective:
The aim of this study was to determine what proportion of indiv...
Background Surgical services are preparing to scale up in areas affected by COVID-19. This study aimed to evaluate the association between preoperative SARS-CoV-2 testing and postoperative pulmonary complications in patients undergoing elective cancer surgery. Methods This international cohort study included adult patients undergoing elective surge...
Introduction: The SCARE Guidelines were first published in 2016 and were last updated in 2018. They provide a structure for reporting surgical case reports and are used and endorsed by authors, journal editors and reviewers, in order to increase robustness and transparency in reporting surgical cases. They must be kept up to date in order to drive...
Introduction: The PROCESS Guidelines were first published in 2016 and were last updated in 2018. They provide a structure for reporting surgical case series in order to increase reporting robustness and transparency, and are used and endorsed by authors, journal editors and reviewers alike. In order to drive forwards reporting quality, they must be...
Background:
Despite widespread uptake, the utility of Workplace Based Assessments (WBAs) is disputed and evidence underpinning their use is largely based upon their completion in ideal conditions, rather than the real-world setting.
Aim:
To ascertain the real-world usage of WBAs, as perceived by UK surgical trainees.
Materials and methods:
An...
Background
The impact of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) on postoperative recovery is poorly understood. This study reports 30-day mortality and pulmonary complication rates in patients with perioperative SARS-CoV-2 infection.
Methods
This international, multicentre, cohort study at 235 hospitals in 24 countries includ...
Background:
Recent data support the use of bariatric surgery in adolescents with severe obesity following unsuccessful non-surgical treatments. Sleeve gastrectomy (SG) and Roux-en-Y gastric bypass (RYGB) have demonstrated reasonably similar weight loss and reduction of obesity related comorbidities in randomized trials in adults. SG has internatio...
Objective
This prospective cohort analysis describes changes in weight, cardiometabolic health, and weight-related quality of life (WRQOL) following adolescent LAGB.Methods
Teen-Longitudinal Assessment of Bariatric Surgery (Teen-LABS) collected demographic, anthropometric, micronutrient, cardiometabolic risk, and WRQOL data for 242 adolescents. Dat...
Background
International professional bodies have been quick to disseminate initial guidance documents during the COVID-19 pandemic. In the absence of firm evidence, these have been developed by expert committees, limited in participant number. This study aimed to validate international COVID-19 surgical guidance using a rapid Delphi consensus exer...
Introduction:
Operating room (OR) practice during the COVID-19 pandemic is driven by basic principles, shared experience, and nascent literature. This study aimed to identify the knowledge needs of the global OR workforce, and characterise supportive evidence to establish consensus.
Methods:
A rapid, modified Delphi exercise was performed, open...
Background:
The COVID-19 pandemic poses a critical global public health crisis. Operating room (OR) best practice in this crisis is poorly defined. This systematic review was performed to identify contemporary evidence relating to OR practice in the context of COVID-19.
Methods:
Medline was systematically searched using PubMed (search date March...
Introduction
Accurate recording of operative cases is essential during training to demonstrate experience. However, indicative numbers delineating minimum desirable experience may incentivise exaggeration or misrepresentation of experience. This study aimed to determine perceptions of real-world eLogbook use among UK surgeons in training.
Material...
Background:
Mental health problems are prevalent among adolescents with severe obesity, but long-term mental health outcomes after adolescent bariatric surgery are not well known. We aimed to assess mental health outcomes over 5 years of follow-up after Roux-en-Y gastric bypass surgery in adolescents who participated in the Adolescent Morbid Obesi...
A new study has added valuable outcome data from adolescents 5 years after undergoing Roux-en-Y gastric bypass. By comparing outcomes from adolescents and adults, the study adds to the existing evidence base, highlighting metabolic and bariatric surgery as an increasingly valuable tool in the multidisciplinary management of adolescents with severe...
Background:
Roux-en-Y gastric bypass (RYGB) is an effective obesity treatment in adults and has become established in adolescents. Lower adherence to supplementation in adolescents confers a risk for long-term nutritional deficiencies.
Objectives:
To assess adherence to supplementation, micronutrient intake, and biochemistry in adolescents throu...
Introduction:
Closure of mesenteric defects during laparoscopic Roux-en-Y gastric bypass surgery (RYGB) has not been fully established as standard operative practice. However, in recent years a body of evidence has emerged suggesting that non-closure of defects leads to increased rates of internal herniation and its potential consequences, includi...
Background:
Roux-en-Y gastric bypass (RYGB) and vertical sleeve gastrectomy (VSG) are effective for weight loss in adolescents with severe obesity. However, little is known about adverse gastrointestinal symptoms (GIS) following these operations in adolescents. The objective was to examine GIS over 5 years after surgery and differences by surgery...
For millennia the smile has been recognised as a powerful communication device, offering benefits to both giver and receiver with few drawbacks. A sign of compassion, empathy and friendliness, smiling can benefit healthcare professionals and their patients, helping to build a relationship of trust. But beware the false smile, which is all too easil...
Introduction:
The SCARE Guidelines were published in 2016 to provide a structure for reporting surgical case reports. Since their publication, SCARE guidelines have been widely endorsed by authors, journal editors, and reviewers, and have helped to improve reporting transparency of case reports across a range of surgical specialties. In order to e...
Introduction:
The PROCESS guidelines were published in 2016 to provide a structure for reporting surgical case series. The PROCESS guidelines have since been widely endorsed by a number of journals. The requirement to report compliance with each item outlined in the PROCESS statement has improved the reporting transparency of case series across a...
Background Trainee research collaboratives (TRCs) have been revolutionary changes to the delivery of high-quality, multicentre research. The aim of this study was to define common roles in the conduct of collaborative research, and map these to academic competencies as set out by General Medical Council (GMC) in the United Kingdom. This will suppor...
Background:
As front-line healthcare staff, doctors in surgical training occupy a unique organisational space rotating through hospitals and services in which they witness first hand both good and bad practice. This puts trainees in a clear position to identify and raise patient safety issues, and to contribute to discussions regarding quality and...
Background:
Trainee research collaboratives (TRCs) have been revolutionary changes to the delivery of high-quality, multicentre research. The aim of this study was to define common roles in the conduct of collaborative research, and map these to academic competencies as set out by General Medical Council (GMC) in the United Kingdom. This will supp...
Excellent surgical trainers play a key role in teaching, mentoring and inspiring the next generation of trainee surgeons. Although there are differences in approach, personality and technique among trainers, common themes exist for those that truly shine as examples of good training. The good surgical trainer has long been the "unsung hero" of pati...
Introduction:
The development of reporting guidelines over the past 20 years represents a major advance in scholarly publishing with recent evidence showing positive impacts. Whilst over 350 reporting guidelines exist there are few that are specific to surgery. Here we describe the development of the STROCSS guideline (Strengthening the Reporting...
Adolescent obesity has markedly increased in prevalence worldwide across the past three decades 1-4. In the adolescent, obesity is associated with type 2 diabetes, increased cardiovascular risk, 5-7 and early cardiovascular changes 6, 8. Furthermore, obesity in adolescents leads to a reduction in quality of life and global functional impairment 9-1...