Publications by authors named "Gi van Boxel"

Article Synopsis
  • This study evaluates the effectiveness of Robot-assisted minimally invasive esophagectomy (RAMIE) for treating esophageal cancer at various centers globally, aiming to pinpoint areas for enhancement in surgical outcomes.
  • Over three time periods (2016-2023), data from 28 centers was analyzed, revealing improvements in textbook outcome rates, lymph node yields, and decreased hospital stays, particularly with McKeown procedures.
  • The results showed varying success rates in surgical outcomes and complications, with a noteworthy decrease in anastomotic leakage rates and hospital stays over time, highlighting advancements in surgical techniques.
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Introduction: Telementoring could increase the quality, reduce the time, and increase cost efficiency of the proctoring program for robot-assisted minimally invasive esophagectomy (RAMIE). However, feasibility is unclear as no studies assessed telementoring for RAMIE.

Methods: The feasibility of telementoring was assessed during the thoracic part of RAMIE procedures in three high-volume centers.

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Robotic bariatric surgery may overcome challenges associated with laparoscopy, potentially achieving technically superior results. This review aims to summarise current literature reporting on learning curves for surgeons newly adopting robotic bariatrics and implications for safety, efficiency and outcomes. A systematic review was performed in line with the PRISMA guidelines.

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Cholecystectomy is one of the commonest performed surgeries worldwide. With the introduction of robotic surgery, the numbers of robot-assisted cholecystectomies has risen over the past decade. Despite the proven use of this procedure as a training operation for those surgeons adopting robotics, the consumable cost of routine robotic cholecystectomy can be difficult to justify in the absence of evidence favouring or disputing this approach.

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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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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: Currently, little is known regarding the optimal technique for the abdominal phase of RAMIE. The aim of this study was to investigate the outcome of robot-assisted minimally invasive esophagectomy (RAMIE) in both the abdominal and thoracic phase (full RAMIE) compared to laparoscopy during the abdominal phase (hybrid laparoscopic RAMIE).

Methods: This retrospective propensity-score matched analysis of the International Upper Gastrointestinal International Robotic Association (UGIRA) database included 807 RAMIE procedures with intrathoracic anastomosis between 2017 and 2021 from 23 centers.

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Esophageal resection is a high-risk and technically demanding procedure, with a long proficiency-gain curve. The European Society Diseases of the Esophagus (ESDE)-Minimally Invasive Esophagectomy (MIE) training program was launched in 2018 for European surgeons willing to train and to begin a career undertaking MIE. The aim of this study was to evaluate the first experience of the ESDE-MIE fellowship and relate this to the initially predetermined core principles and objectives of the program.

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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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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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Introduction: Gastrointestinal stromal tumors (GISTs) frequently present as a large exophytically growing mass in the stomach, for which open partial gastrectomy is standard of care. The aim of this study was to evaluate the safety and feasibility of minimally invasive gastric resection (MIG) of large (>5 cm) GIST.

Methods: All patients who underwent MIG for a GIST in the University Medical Center Utrecht between 2011 and 2019 were included.

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Background: Risk assessment is relevant to predict postoperative outcomes in patients with gastro-oesophageal cancer. This cohort study aimed to assess body composition changes during neoadjuvant chemotherapy and investigate their association with postoperative complications.

Methods: Consecutive patients with gastro-oesophageal cancer undergoing neoadjuvant chemotherapy and surgery with curative intent between 2016 and 2019 were identified from a specific database and included in the study.

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Esophagectomy for cancer of the esophagus is increasingly performed using minimally invasive techniques. After the introduction of minimally invasive esophagectomy (MIE) in the early 1990's, robotic-assisted techniques followed after the turn of the millennium. The advent of robotic platforms has allowed the development of robotic-assisted minimally invasive esophagectomy (RAMIE) over the past 15 years.

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Background: Early cancer recurrence after oesophagectomy is a common problem, with an incidence of 20-30 per cent despite the widespread use of neoadjuvant treatment. Quantification of this risk is difficult and existing models perform poorly. This study aimed to develop a predictive model for early recurrence after surgery for oesophageal adenocarcinoma using a large multinational cohort and machine learning approaches.

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Risk assessment is relevant to predict outcomes in patients with gastric cancer. This systematic review aimed to investigate the predictive value of low muscle mass for postoperative complications in gastric cancer patients. A systematic literature search was performed to identify all articles reporting on muscle mass as measured on computed tomography (CT) scans in patients with gastric cancer.

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A case of iatrogenic right gastroepiploic artery injury during laparoscopic transhiatal esophagectomy is reported. This case report describes microvascular repair of the right gastroepiploic artery and vein. Subsequent intraoperative decision making with regard to a staged, single-admission successful esophagectomy is discussed.

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Gastrectomy is the mainstay treatment for gastric cancer. To reduce the associated patient burden, minimally invasive gastrectomy was introduced in almost 30 years ago. The increase in the availability of surgical robotic systems led to the first robotic-assisted gastrectomy to be performed in 2002 in Japan.

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Purpose: Predicting perioperative morbidity and mortality can be achieved by several risk predicting algorithms. In the UK, the National Emergency Laparotomy Audit, mandated for all patients undergoing emergency laparotomy, uses pPOSSUM as its risk prediction tool. However, there is no literature reporting the inter-operator variability in calculating the score.

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Surgical drains are used to collect and measure fluids (e.g. serous fluid, lymph, blood, etc.

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Introduction Right iliac fossa pain is a common presenting complaint to general surgery. The differential diagnosis is wide, particularly in the elderly. Computed tomography (CT) is often used in the 'older' population, as they have a higher prevalence of acute colonic diverticulitis and colonic neoplasia, both of which should be identified prior to surgery.

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Thousands of laparoscopic procedures requiring the use of electrosurgical devices are performed worldwide on a daily basis. The use of electrosurgery carries with it inherent risks related to the use of an energy source within the abdomen. Inadvertent tissue injury due to the use of electrosurgical devices is rare, but is associated with a high morbidity and mortality if undetected.

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Delivering cost-effective health care within the constraints of public funding is the goal of the NHS. In this study 248 health-care professionals and patients across six different hospitals were surveyed to ascertain their cost awareness. Cost awareness was poor across all groups.

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