Publications by authors named "Konstantinos Nassiopoulos"

Aims Of The Study: The novel coronavirus pandemic has affected emergency department consultations for surgical pathologies. The aim of our study was to compare the number of acute appendicitis cases and the proportion of complicated appendicitis before and during the COVID-19 pandemic.

Methods: We retrospectively analyzed all data collected from a multi-center database of patients presenting to the emergency department for acute appendicitis during the COVID-19 pandemic from March 12 to June 6, 2020, and compared these data with those from the same periods in 2017, 2018, and 2019.

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Gorham-Stout syndrome is an uncommon entity, with few cases reported in bibliography. It consists of osteolytic manifestations affecting various bones and replacing them with lymphangiomatous tissue. With pathophysiology unknown, Gorham-Stout disease affects also cardiorespiratory system usually causing lytic lesions to the bones of the thoracic cage or directly invading the thoracic duct.

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Background: Colonic polyps are usually removed endoscopically. Surgical intervention is reserved for large, inaccessible colorectal polyps that have underdone malignant transformation. Laparoscopic management of colonic polyps has gained a well-defined role.

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Accurate placing of securely tied knots in laparoscopic surgery is technically demanding and time consuming. Surgeons must face difficulties arising from 2-dimensional vision, spatial limitations, and restricted movement. Issues to be taken into account include security, virtuosity, and cost effectiveness.

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Background: Diverticular disease is complicated by colovesical and colovaginal fistulas in 4-20% of patients. Laparoscopic surgery is usually reserved for selected cases of uncomplicated disease. The aim of this study was to assess the efficacy and effectiveness of laparoscopic surgery in the treatment of those patients.

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