Publications by authors named "Francesca Dimou"

Background: Pyloric drainage procedures, such as gastric peroral endoscopic myotomy (G-POEM) and pyloroplasty, have emerged as effective treatment modalities for refractory gastroparesis. Bile acid gastritis (BAG) and dumping syndrome (DS) are known complications of pyloric procedures. However, the incidence of these complications is underreported.

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Background: Mycobacterium haemophilum is a rare, slow-growing nontuberculous mycobacterium known to cause infections primarily in immunocompromised individuals. M. haemophilum infections typically present as skin and soft tissue infections; however, infections may progress to disseminated disease involving multiple organ systems.

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Integrating artificial intelligence (AI) into healthcare prompts the need to measure its proficiency relative to human experts. This study evaluates the proficiency of ChatGPT, an OpenAI language model, in offering guidance concerning bariatric surgery compared to bariatric surgeons. Five clinical scenarios representative of diverse bariatric surgery situations were given to American Society for Metabolic and Bariatric Surgery (ASMBS)-accredited bariatric surgeons and ChatGPT.

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Childhood obesity continues to be a significant public health concern, and metabolic and bariatric surgery (MBS) is a contemporary intervention that remains underutilized. Records from the Kids' Inpatient Database (KID) were analyzed from 2009 to 2016 were analyzed to evaluate utilization characteristics of pediatric MBS. Annual procedure rates increased from 2.

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Introduction: Hiatal hernia recurrence rates vary widely. The true causes of recurrences are not fully understood but likely multifactorial. Surgical approaches and techniques have evolved over time to try and reduce recurrence rates after hiatal hernia repair.

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Background: Childhood obesity is a devastating disease process disproportionately affecting minority and low-income populations. Though bariatric surgery leads to durable weight loss and reversal of multiple obesity-related comorbidities, only a small fraction of pediatric patients undergoes the procedure. We sought to identify factors associated with non-completion in a pediatric bariatric surgery program.

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Introduction: Various factors impact outcomes following bariatric surgery. Lack of access to healthy food options (food insecurity [FI]) is another potential factor affecting outcomes. No prior studies have directly explored the relationship between residing in a high FI zip code and patient outcomes relating to weight loss after bariatric surgery.

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Background: Gastric band erosion may be seen in up to 3% of patients. Endoscopic intervention has become increasingly utilized due to its minimally invasive nature. The purpose of this study was to perform a systematic review and meta-analysis to examine the role of endoscopic removal for eroded gastric bands.

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Article Synopsis
  • GATA6 is crucial for the identity of macrophages in mouse peritoneal cavities, but human peritoneal macrophages show different characteristics, with fewer GATA6 macrophages present.
  • In humans, macrophages more closely resemble a less mature stage found in mice, indicating a significant difference in macrophage development between the species.
  • While there are common features shared by macrophage populations in both mice and humans, the proportions and differentiation stages of these cells vary greatly, especially with human macrophages showing a notable presence of dendritic cell-like cells.
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Background: Evidence for how to best train surgical residents for robotic bariatric procedures is lacking. We developed targeted educational resources to promote progression on the robotic bariatric learning curve. This study aimed to characterize the effect of resources on resident participation in robotic bariatric procedures.

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Background: Gastroesophageal reflux disease (GERD) is one of the most common diseases in North America and globally. The aim of this guideline is to provide evidence-based recommendations regarding the most utilized and available endoscopic and surgical treatments for GERD.

Methods: Systematic literature reviews were conducted for 4 key questions regarding the surgical and endoscopic treatments for GERD in adults: preoperative evaluation, endoscopic vs surgical or medical treatment, complete vs partial fundoplication, and treatment for obesity (body mass index [BMI] ≥ 35 kg/m) and concomitant GERD.

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Background: The childhood obesity epidemic has grown exponentially and is known to disproportionately affect minority groups. Successful treatment of this complex health issue requires a multidisciplinary approach including metabolic and bariatric surgery (MBS) for qualifying pediatric patients. This study examines current national trends in pediatric bariatric surgery from 2010 to 2017 using the National Inpatient Sample.

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Objective: The purpose of this study was to characterize the nondiscrimination and diversity, equity, and inclusion (DEI) statements found on the websites of general surgery residency programs, as well as to measure programmatic commitment to diversity through their involvement with special interest surgical societies (SISS).

Design: The authors evaluated the relationship between DEI statements and SISS participation, and performed a natural language processing analysis of general surgery residency DEI statements.

Setting: The residency program websites from 319 non-military general surgery residency programs within the United States were analyzed.

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Background: In the US, obesity continues to be a severe health issue now affecting adolescents. Bariatric surgery remains the most effective treatment for obesity, but use among adolescents remains low. The objective of this study was to identify current national trends in bariatric surgery among adolescents.

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Background: Long-term durability of weight loss is a prerequisite for a greater acceptance of bariatric surgery.

Objectives: To examine long-term weight trajectory in patients undergoing Roux-en-Y gastric bypass (RYGB) and determine factors predicting long-term follow-up and weight outcomes.

Setting: University hospital.

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Background: Surgical site infections (SSI) are one of the most common complications of bariatric surgery. The Metabolic and Bariatric Surgery Accreditation and Quality Improvement (QI) Program (MBSAQIP) allows accredited programs to develop processes for quality improvement based on data collection. The objective of this study was to decrease SSI rates in patients undergoing bariatric surgery at an accredited MBSAQIP center.

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Background: The role of robotic surgery in bariatrics remains controversial. Patient selection for robotic surgery is not well-studied. The objective of this study was to identify factors associated with robotic surgery and its temporal trends.

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Background: The frequency of robotic-assisted bariatric surgery has been on the rise. An increasing number of fellowship programs have adopted robotic surgery as part of the curriculum. Our aim was to compare technical efficiency of a surgeon during the first year of practice after completing an advanced minimally invasive fellowship with a mentor surgeon.

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Article Synopsis
  • The COVID-19 pandemic forced a shift to virtual interviews for Advanced GI Minimally Invasive Surgery Fellowships, prompting an assessment of their effectiveness through a post-interview survey.
  • Out of 20 candidates, 85% provided feedback, with high ratings for interactions with faculty and overall satisfaction; 76% favored virtual interviews for the future.
  • Despite some software issues, the general consensus showed that virtual interviews met or exceeded expectations, indicating a potential long-term trend towards remote interviewing in medical training.
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Introduction: Pre-operative esophagogastroduodenoscopy (EGD) is becoming routine practice in patients undergoing bariatric surgery. Many patients with morbid obesity have obstructive sleep apnea (OSA), which can worsen hypoxia during an EGD. In this study, we report our outcomes using the SuperNOVA™ device, a sealed nasal positive airway pressure mask designed to deliver high-fraction inhaled oxygen and titratable positive pressure compared to conventional nasal cannula.

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Background: The Tokyo Guidelines recommend initial cholecystostomy tube drainage, antibiotics, and delayed cholecystectomy in patients with grade III cholecystitis.

Study Design: We used Medicare data (1996 to 2010) to identify patients 66 years and older who were admitted with grade III acute cholecystitis. We evaluated adherence to the Tokyo Guidelines and compared mortality, readmission, and complication rates with and without cholecystostomy tube placement in a propensity-matched (1:3) cohort of patients with grade III cholecystitis.

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