1,268 results match your criteria: "Laikon General Hospital.[Affiliation]"

Somatostatinoma of the Ampulla of Vater: A Systematic Review.

J Gastrointestin Liver Dis

December 2022

First Department of Surgery, National and Kapodistrian University of Athens, Laikon General Hospital, Athens, Greece.

Background And Aims: Somatostatinoma of the ampulla of Vater (SAV) is a rare neuroendocrine tumor that usually appears with atypical clinical manifestations and is associated with Von Recklinghausen's disease. The aims of this study were to systematically review the literature regarding SAV and to highlight the clinicopathological characteristics and optimal therapeutic management of this rare entity.

Methods: A systematic search of the literature in PubMed/Medline and Scopus databases was performed by two independent investigators, including all case reports and case series concerning SAVs from 1980 until September 2021.

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Recent Advances in Adult Post-Transplant Lymphoproliferative Disorder.

Cancers (Basel)

December 2022

Department of Translational Hematology and Oncology Research, Cleveland Clinic Foundation, Cleveland, OH 44195, USA.

PTLD is a rare but severe complication of hematopoietic or solid organ transplant recipients, with variable incidence and timing of occurrence depending on different patient-, therapy-, and transplant-related factors. The pathogenesis of PTLD is complex, with most cases of early PLTD having a strong association with Epstein-Barr virus (EBV) infection and the iatrogenic, immunosuppression-related decrease in T-cell immune surveillance. Without appropriate T-cell response, EBV-infected B cells persist and proliferate, resulting in malignant transformation.

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Oxidative imbalance increases the risk for colonic polyp and colorectal cancer development.

World J Gastrointest Oncol

November 2022

Academic Department of Gastroenterology, Athens University Medical School, Laikon General Hospital, Athens 11527, Greece.

Background: The role of oxidative stress in the pathogenesis of colorectal carcinoma (CRC) has garnered considerable interest recently. Specific oxidative factors have been implicated in the pathogenesis of adenomatous polyps and ultimately adenocarcinoma.

Aim: To evaluate the effect of oxidative imbalance as quantified by specific serological markers in the development of sporadic colon adenocarcinoma.

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Pregnancy and COVID-19.

J Clin Med

November 2022

Department of Obstetrics and Gynecology, Democritus University of Thrace, 6th km Alexandroupolis-Makris, 68100 Alexandroupolis, Greece.

Evidence indicates that SARS-CoV-2 infection increases the likelihood of adverse pregnancy outcomes. Modifications in the circulatory, pulmonary, hormonal, and immunological pathways induced by pregnancy render pregnant women as a high-risk group. A growing body of research shows that SARS-CoV-2 infection during pregnancy is connected to a number of maternal complications, including pneumonia and intensive care unit (ICU) hospitalization.

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Background: Colorectal cancer is internationally the third leading cause of death from a malignant disease. The aim of screening colonoscopy in adults > 45 years of age is early diagnosis and treatment of precancerous polyps. Endoscopic polyp removal (polypectomy) can be achieved with various techniques depending on the size, morphology, and location of the polyp.

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Objectives: Carotid artery stenting (CAS) is an alternative treatment option for patients at high risk for carotid endarterectomy (CEA) but has been correlated with increased risk for distal embolization and periprocedural stroke despite the use of adjunctive embolic protection devices (EPD). This study compared four types of EPDs and their intra and periprocedural related complications.

Methods: A systematic review of the literature was conducted in PubMed/Medline to identify studies that investigated the outcomes of CAS with adjuvant use of EPDs, including Proximal Balloon (PB), Distal Filter (DF), and Distal Balloon (DB) strategy.

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Oncologic patients often suffer from malnutrition, which might negatively affect treatment outcomes. Global Leadership Initiative on Malnutrition (GLIM)-based malnutrition is associated with short- and long-term outcomes in cancer patients. The aim of the current meta-analysis was to determine the impact of GLIM-defined malnutrition on postoperative complications and survival in esophageal and gastric cancer patients.

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Sports have been majorly impacted by the COVID-19 pandemic. After the lockdown period, vaccination and protocols were implemented to return to normality. We aimed to assess the attitudes and practices related to COVID-19 vaccination among athletes, and to record adverse effects of vaccination, if any.

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Acute lymphoblastic leukemia (ALL) patients comprise a highly immunocompromised group due to factors associated either with the treatment or the disease itself. Invasive mold infections (IMIs) are considered to be responsible for higher morbidity and mortality rates in patients with hematologic malignancies, including ALL. Defining the exact incidence of IMIs in ALL patients has been rather complicated.

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A systematic review of the surgical management of secondary aortoduodenal fistula.

J Vasc Surg

May 2023

Department of Vascular Surgery, Attikon University Hospital, National and Kapodistrian University of Athens, Medical School, Athens, Greece.

Article Synopsis
  • SADF (Secondary Aortoduodenal Fistulae) are serious complications arising from aortic surgeries, with limited data on their associated risks and outcomes.
  • A review of existing literature included 189 patients treated for SADF, highlighting varied surgical interventions like aortic graft excision and bowel repairs, but showed no significant difference in mortality rates based on the type of surgery performed.
  • Omentoplasty, a procedure involving the addition of abdominal tissue, was found to significantly lower mortality risk, indicating that comprehensive management of both aortic and duodenal issues is crucial for better patient outcomes.
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Genomic instability, microenvironmental aberrations, and somatic mutations contribute to the phenotype of myelodysplastic syndrome and the risk for transformation to AML. Genes involved in RNA splicing, DNA methylation, histone modification, the cohesin complex, transcription, DNA damage response pathway, signal transduction and other pathways constitute recurrent mutational targets in MDS. RNA-splicing and DNA methylation mutations seem to occur early and are reported as driver mutations in over 50% of MDS patients.

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Central nervous system (CNS) involvement is rare in primary mediastinal large B-cell lymphoma (PMLBCL). We aimed to evaluate the incidence of CNS relapse as first treatment failure event and the effect of the induction chemotherapy regimen, central nervous system - international prognostic index (CNS-IPI) and other clinical and laboratory variables on the risk of CNS relapse in 564 PMLBCL patients treated with immunochemotherapy. Only 17 patients (3.

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Editorial: Obesity and gastrointestinal cancer.

Front Surg

October 2022

First Propaedeutic Department of Surgery, Hippocration General Hospital, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece.

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Cancer Treatment and Immunotherapy during Pregnancy.

Pharmaceutics

September 2022

Department of Obstetrics and Gynecology, Democritus University of Thrace, 6th km Alexandroupolis-Makris, 68100 Alexandroupolis, Greece.

Background/aim: Immunotherapy has, in recent years, witnessed an expansion in its indications for the treatment of cancer. Coupled with the fact that, nowadays, even more women choose to postpone parenthood, thus increasing their chances of having some kind of malignancy during pregnancy, more and more women are eligible for receiving immunotherapy during this period of their lives. The cases of cancer diagnosed during pregnancy is an ever-increasing trend nowadays.

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As clinical efforts towards breast-conserving therapy and prolonging survival of those with metastatic breast cancer increase, innovative approaches with the use of biologics are on the rise. Two areas of current focus are cancer immunotherapy and autophagy, both of which have been well-studied independently but have recently been shown to have intertwining roles in cancer. An increased understanding of their interactions could provide new insights that result in novel diagnostic, prognostic, and therapeutic strategies.

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Serum Procalcitonin Levels in Newly Diagnosed Hodgkin Lymphoma: Correlation with Other Inflammatory Biomarkers.

Medicina (Kaunas)

September 2022

Department of Haematology and Bone Marrow Transplantation, School of Medicine, National and Kapodistrian University of Athens, Laikon General Hospital, 11527 Athens, Greece.

Background and Objectives: Procalcitonin (PCT) is a useful biomarker for the diagnosis of sepsis. Inflammatory markers are elevated in patients with Hodgkin lymphoma (HL), and yet ongoing infection rarely coexists at diagnosis. PCT levels might be helpful in differentiating bacterial from disease-related inflammation.

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Monocytopenia is a common finding in patients with myelodysplastic syndrome (MDS), but although monocytes may exhibit prognostic significance in MDS due to their role in innate immunity, they have not been incorporated in any prognostic scoring system for MDS. In this study, we analyzed national registry data from 1719 adults with MDS. Monocytopenia was present in 29.

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Article Synopsis
  • * The study noted that only 16.2% of the patients were vaccinated with two or more doses prior to COVID-19 diagnosis, and vaccination status was linked to lower mortality rates.
  • * Key risk factors for increased mortality included older age, active malignancy, severe COVID-19 symptoms, and ICU admission, with additional findings showing no significant difference in survival rates between NHL and CLL patients.
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Background: Ketosis has been exploited for its neuroprotective impact and treatment of neurological conditions via ketone production. Exogenous medium-chain triglyceride (MCT) supplementation may induce nutritional ketosis. The aim of this systematic review is to explore the effects of MCTs on memory function in older adults without cognitive impairment.

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Patients with chronic lymphocytic leukemia (CLL) show suboptimal responses to the vaccines against SARS-CoV-2; it has been shown though that a booster dose of the BNT162b2 vaccine may lead to a significant increase in the seroconversion rates of immunocompromised patients. We conducted a prospective, non-interventional study to evaluate the immunogenicity of a third dose of the BNT162b2 vaccine in adult patients with CLL. Sera were tested before the first, after the second, and before and after the third dose for anti-SARS-CoV-2 receptor binding domain (RBD) spike protein IgG (anti-RBD).

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Article Synopsis
  • HIV late presentation (LP) is on the rise in Europe, particularly in Greece, prompting an investigation into the characteristics and factors influencing LP, defined by the time between HIV infection and diagnosis.
  • Analysis of data from 6166 people living with HIV in Greece from 1999-2015 revealed that older age, heterosexual transmission, and more recent diagnoses correlate with a higher risk of LP, while individuals who inject drugs tend to get diagnosed more quickly than other groups.
  • The findings highlight the need for focused healthcare interventions for older adults and heterosexuals, who are increasingly at risk for LP as they represent a growing segment of new diagnoses in Greece.
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Caregivers' burden may vary across different countries. The aim of this study was to evaluate factors associated with caregivers' burden in a sample of Greek patient-caregiver dyads, including patients' frailty status among the evaluated variables. In 204 patient-caregiver dyads, patients' and caregivers' characteristics were recorded.

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The impact of surgery delay on survival of resectable pancreatic cancer: A systematic review of observational studies.

Surg Oncol

December 2022

First Propaedeutic Department of Surgery, Hippocration General Hospital, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece.

Background: Pancreatic cancer is considered a lethal disease and the only potentially curative option is R0 excision. The aim of this study was to investigate whether the waiting time interval from diagnosis to surgical treatment affects overall survival in patients who undergo curative-intent surgery for pancreatic cancer.

Methods: Search in Medline, Scopus, Clinicaltrials.

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Objectives: Carbapenemase-producing Enterobacterales (CPE) comprise important nosocomial pathogens worldwide. Colonized patients are the source of further dissemination in healthcare settings. Considering that timely detection of CPE carriers is pivotal but universal screening is unfeasible, we aimed to develop and validate a prediction score to detect patients harbouring CPE on hospital admission.

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