Publications by authors named "Iannelli A"

Background: Roux-en-Y gastric bypass may present long-term complications that require revisional surgery or even reversal to normal anatomy. Data on the indications, surgical technique, and outcomes of RYGB reversal remain scarce.

Methods: We identified 48 cases of RYGB reversals with complete 90-day follow-up within a multi-centric international retrospective database of elective secondary bariatric surgery.

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Background/objectives: Antibiotic resistance is a growing global threat that significantly impacts public health and healthcare costs. The Italian National Action Plan on Antimicrobial Resistance (PNCAR) was introduced in 2017 to address this issue by improving antibiotic stewardship. This study aimed to evaluate the effectiveness of the PNCAR in enhancing antibiotic management practices in a hospital in southern Italy before and after its implementation.

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Gout is the most common form of inflammatory arthritis, and it is due to the deposition of monosodium urate crystals in the articular and extra-articular tissues. Body mass index is strongly correlated with elevated serum uric acid levels and gout is often associated with obesity and metabolic syndrome. Recommended nonpharmacological treatments for hyperuricemia and gout include dietary modifications and weight loss.

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  • - Metabolic dysfunction-associated steatotic liver disease (MASLD) is prevalent among obese individuals and shows differences between sexes. A study sought to create a noninvasive blood test using mid-infrared (MIR) metabolic fingerprinting to diagnose metabolic dysfunction-associated steatohepatitis (MASH) in those with severe obesity.
  • - The study involved 382 patients undergoing bariatric surgery, with liver biopsies assessed to establish a scoring algorithm based on MIR spectroscopy. In women, MASH was diagnosed in 14.3% of cases, showing high sensitivity (86%) and specificity (81%) for correctly identifying the condition.
  • - For men, the test's performance was notably less effective, with a MASH diagnosis
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Liver vessel segmentation from routinely performed medical imaging is a useful tool for diagnosis, treatment planning and delivery, and prognosis evaluation for many diseases, particularly liver cancer. A precise representation of liver anatomy is crucial to define the extent of the disease and, when suitable, the consequent resective or ablative procedure, in order to guarantee a radical treatment without sacrificing an excessive volume of healthy liver. Once mainly performed manually, with notable cost in terms of time and human energies, vessel segmentation is currently realized through the application of artificial intelligence (AI), which has gained increased interest and development of the field.

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  • The global rise in obesity has led to the need for clear guidelines combining medical, endoscopic, and surgical methods for effective treatment.
  • An expert panel formed by IFSO-EC created evidence-based recommendations for treating adults with a BMI of 30 or higher, focusing on integrating lifestyle interventions and various weight loss techniques.
  • These guidelines emphasize a comprehensive approach to obesity management, recognizing it as a complex, chronic disease that requires understanding all therapeutic options available.
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Background: The use of metabolic and bariatric surgery (MBS) is not uniformly distributed within the population, even if it is governed by established guidelines. This disparity seems to be associated, among other factors, with the economic profile of people receiving this surgery.

Objectives: We investigated the disparities in the use of MBS with respect to the socio-economic level in France based on socio-economic status (SES).

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Aims: Attention-deficit with hyperactivity disorder (ADHD) is associated with obesity and impacts the outcome of metabolic and bariatric surgery (MBS). This study aimed at calculating the prevalence in candidates for MBS, which is yet unclear.

Methods: We conducted a systematic review and meta-analysis, searching three databases from their respective inception to December 2022 for studies reporting the prevalence of ADHD in adolescents and adults assessed before undergoing MBS.

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  • The Roux-en-Y gastric bypass (RYGB) is an effective obesity treatment, and a variant called banded-RYGB may offer advantages like better weight loss and fewer complications.
  • The meta-analysis included 13 studies with over 8,500 patients comparing outcomes between banded-RYGB and standard RYGB.
  • Results indicated that banded-RYGB led to significantly higher excess weight loss at 1, 2, and 5 years post-surgery, although the difference in postoperative complications was not statistically significant.
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Background: Although sleeve gastrectomy (SG) is associated with excellent results in the short term, it has been shown that it is plagued by weight regain and new onset or worsening of gastroesophageal reflux disease (GERD). These 2 clinical conditions are currently the 2 most frequent indications for revisional surgery. To date, only a few studies have focused exclusively on GERD.

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Background: The obesity epidemic has led to an increase in the proportion of patients with chronic liver disease due to metabolic associated steatosic liver disease and in the prevalence of obesity in patients with cirrhosis. Metabolic and bariatric surgery (MBS) has been proven to determine weight loss, obesity-related medical problems remission, and liver steatosis, inflammation, and fibrosis improvement. However, cirrhosis and portal hypertension are well-known risk factors for increased morbidity and mortality after surgery.

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  • Minimally invasive surgery (MIS) for left pancreatic resections has been increasingly utilized, but its advantages over traditional open surgery for distal pancreatectomy in treating pancreatic neuroendocrine tumors are still debated.
  • A retrospective study involving 274 patients across 21 French centers analyzed short and long-term outcomes of MIS versus open surgery, focusing on factors like tumor size and patient characteristics.
  • Results showed that MIS reduced major complications and delayed gastric emptying while maintaining comparable survival rates, suggesting it is a safe option for patients with resectable left pancreatic neuroendocrine tumors.
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Background: Hidradenitis suppurativa (HS) is a systemic inflammatory condition associated with obesity, metabolic syndrome, and environmental factors. Bariatric surgery (BS) is effective in reducing weight and resolving obesity-related medical problems.

Objectives: The aim of this case-control study is to evaluate the effects of BS on the occurrence and recurrence of HS in individuals with obesity.

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Background: Huge (>10 cm) hepatocellular carcinoma is burdened by elevated mortality due to its peculiar characteristics and delayed diagnosis. Liver resection is considered the gold standard although survival is poor. Recently, some different strategies have been evaluated to improve results in tumor recurrence and survival.

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Introduction: Unlike most malignancies, higher body mass index (BMI) is associated with a reduced risk of lung cancer and improved prognosis after surgery. However, it remains controversial whether height, one of determinants of BMI, is associated with survival independently of BMI and other confounders.

Methods: We extracted data on all consecutive patients with resectable non-small cell lung cancer included in Epithor, the French Society of Thoracic and Cardiovascular Surgery database, over a 16-year period.

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Background: Obesity is associated with nonalcoholic steatohepatitis (NASH), which leads to an increased rate of primary liver cancers, cirrhosis, and decreased life expectancy. Metabolic/bariatric surgery (MBS) determines long-term weight loss and the resolution of obesity-related medical problems.

Objective: The aim of this study was to evaluate the impact of MBS on liver histologic features in individuals with obesity.

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  • The study focuses on clinically relevant post-pancreatectomy hemorrhage (CR-PPH) specifically after distal pancreatectomy (DP), as most existing data is based on pancreatoduodenectomy.
  • A total of 1188 patients were analyzed, revealing that 5.5% developed CR-PPH, which led to higher mortality, morbidity, and hospital stays compared to patients without CR-PPH.
  • Multivariable analysis indicated that longer surgery times and pre-existing postoperative pancreatic fistula (POPF) were significant risk factors for developing CR-PPH.
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Purpose: An increasing Pnumber of individuals with obesity over the age of 60 years require bariatric surgery to treat obesity and its related medical problems. Sleeve gastrectomy and Roux-en-Y gastric bypass have already proven their efficacy in this population, but literature lacks reports of long-term results. The aim of this study is to compare long-term results of sleeve gastrectomy and Roux-en-Y gastric bypass in individuals older than 60 years old.

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Objective: This study investigated the contribution of osteopontin/secreted phosphoprotein 1 (SPP1) to T-cell regulation in initiation of obesity-driven adipose tissue (AT) inflammation and macrophage infiltration and the subsequent impact on insulin resistance (IR) and metabolic-associated fatty liver disease (MAFLD) development.

Methods: SPP1 and T-cell marker expression was evaluated in AT and liver according to type 2 diabetes and MAFLD in human individuals with obesity. The role of SPP1 on T cells was evaluated in Spp1-knockout mice challenged with a high-fat diet.

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Obesity is a worldwide epidemic that leads to several non-communicable illnesses, including chronic kidney disease (CKD). Diet and lifestyle modifications have shown a limited impact in the treatment of obesity. Because the group of end-stage renal disease (ESRD) patients examined in this study had limited access to kidney transplantation (KT), patients with obesity were thought to be at an increased risk of intraoperative and postoperative KT complications.

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