Publications by authors named "Panteleimon Vassiliu"

Introduction During abdominal trauma or major hepatic surgery, the liver can be subjected to hypoxic conditions due to hemorrhage, leading to various degrees of ischemic injury to hepatocytes. Hemorrhagic shock, a critical and life-threatening condition, often complicates hepatic surgery due to massive blood loss, resulting in inadequate tissue perfusion and oxygenation. The challenge in managing hemorrhagic shock in hepatic surgery is heightened by the liver's unique blood supply and its crucial role in coagulation.

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Article Synopsis
  • Resistin is a special protein that helps control how our body responds to insulin and fights inflammation, but too much of it can be linked to health problems like obesity and diseases like diabetes and cancer.
  • High levels of resistin have been connected to different types of cancer, especially colorectal cancer, which has several factors like chronic inflammation and obesity that can increase its risk.
  • Researchers are studying how resistin levels affect the risk of cancer and how well chemotherapy works, and they are looking at certain gene changes related to resistin to see if they can help predict cancer outcomes.
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Despite technical advances in recent decades and a decrease in hospital mortality (<5%), pancreaticoduodenectomy (PD) is still associated with major postoperative complications, even in high-volume centers. The present study aimed to assess the effect of a modified reconstruction technique on postoperative morbidity and mortality. A cohort study of all patients (n=218) undergoing PD between January 2010 and December 2019 was performed at Attikon University Hospital (Athens, Greece).

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  • This study compares two surgical methods, Hartmann's procedure (HP) and resection with primary anastomosis (RPA), for treating acute left-sided colonic emergencies among 1215 patients from 204 centers globally.
  • Results showed that while HP was the more common treatment (57.3%), RPA was favored for younger patients with fewer health issues and those needing surgery sooner.
  • The study concluded that although HP is still widely used, RPA might be the better option, emphasizing the importance of patient characteristics and surgeon experience in determining treatment choice.
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Aim: To describe the currently available evidence regarding the efficacy and safety of preoperative tumor marking using indocyanine green (ICG) prior to laparoscopic or robotic colorectal resections.

Methods: A systematic search for relevant studies was conducted using the following databases: Embase (OVID), MEDLINE® (OVID), APA PsycInfo (OVID), Global Health (OVID) and HMIC Health Management Information Consortium (OVID) through June 2022 reported according to PRISMA 2020 guidelines. Primary outcome was the detection rate of the tumor sites preoperatively marked with ICG.

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Background: Renal cell carcinoma (RCC) is the most common primary kidney cancer. In up to 4-10% of patients, the tumor is complicated with a malignant thrombus extending to the inferior vena cava (IVC). Complete surgical excision of the RCC and the neoplastic thrombus can be curative.

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Colorectal cancer (CRC), one of the most prevalent types of cancer, requires the discovery of new tumor biomarkers for accurate patient prognosis. In this work, the prognostic value of the tRNA fragment i-tRF-Gly in CRC was examined. Total RNA extraction from 211 CRC patient cancer tissue specimens and 83 adjacent normal tissues was conducted.

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Colorectal cancer (CRC) is the main cause of cancer-related deaths globally, highlighting the importance of accurate biomarkers for early detection and accurate prognosis. MicroRNAs (miRNAs) have emerged as effective cancer biomarkers. The aim of this study was to investigate the prognostic potential of miR-675-5p as a molecular prognostic biomarker in CRC.

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Introduction: Trauma represents a major public health issue and is one of the leading causes of death and disability worldwide. A systematic approach toward dealing with trauma patients was facilitated through the ATLS program, which has become a milestone in trauma care. Our new ATLS course for medical students was set in motion in 2015.

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The efficacy and safety of pancreaticoduodenectomy (PD) has not been yet studied in octogenarians in Greece. The present study reviewed records of all consecutive patients that underwent PD at the 4th Surgical Department of Attikon University Hospital (Athens, Greece) between January 1st, 2010 and December 31st, 2019. Differences between two age groups (group Y <80 years; group O >80 years) were analyzed.

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Background: Pancreatic leak after pancreaticoduodenectomy and gut restoration via a single jejunal loop remains the crucial predictor of patients' outcome. Our reasoning that active pancreatic enzymes may be more disruptive to the pancreatojejunostomy prompted us to explore a Roux-en-Y configuration for the gut restoration, anticipating diversion of bile salts away from the pancreatic stump. Our study aims at comparing two techniques regarding the severity of postoperative pancreatic fistula (POPF) and patients' outcome.

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Trauma and abdominal surgery that involves the diaphragm and pericardium rarely ends up in post-operative visceral herniation into the pericardial cavity. Urgent intervention is crucial to restore the cardiac output and prevent bowel strangulation. A case of a patient with intrapericardial hernia following nephrectomy for renal cell carcinoma and en block resection of an IVC neoplasmatic thrombus via transdiaphragmatic approach is presented.

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Sacral-Nerve-Neuromodulation (SNM) is an effective treatment increasingly used in patients with urinary (UI) and fecal incontinence (FI). The way it acts in the body at its full potential have not yet been elucidated. The authors review the literature on SNM and the way it possibly works, relating it to a case with an unusually favorable outcome.

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Although pancreaticoduodenectomy (PD) has significantly improved and is considered a safe procedure, it is still associated with increased rates of morbidity. The aim of the present study is to evaluate an alternative reconstruction technique following PD. This technique uses an isolated hepaticojejunal anastomosis and presents low postoperative morbidity rates.

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This review was designed to determine whether "high-dose" steroid therapy (> or =20 mg prednisone/day) increases the likelihood of anastomotic complications after restorative proctocolectomy with ileal pouch-anal anastomosis (IPAA). The hospital records of 100 patients undergoing proctocolectomy with IPAA were reviewed. Patient characteristics were analyzed to determine what factors were associated with higher rates of anastomosis-related complications.

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