Objective: The objectives of this study were to measure the global impact of the pandemic on the volumes for intravenous thrombolysis (IVT), IVT transfers, and stroke hospitalizations over 4 months at the height of the pandemic (March 1 to June 30, 2020) compared with two control 4-month periods. Methods: We conducted a cross-sectional, observational, retrospective study across 6 continents, 70 countries, and 457 stroke centers. Diagnoses were identified by their ICD-10 codes and/or classifications in...

Background: Vascular calcification is a common complication of end stage renal disease patients, an important cause of cardiovascular disease and all-cause mortality. Vitamin K is essential for the activation of matrix Gla protein (MGP), a powerful inhibitor of tissue calcification. Different forms of vitamin K have been proposed to have a good impact on vascular calcification. However, clinical data are still limited on efficacy and safety of different forms of vitamin K. Methods : A...

This paper focuses on some aspects of Egypt’s history in the reign of Maximinus Thrax (Mid-March/25 March AD 235 – 10 May 238). The author argues that the economic repercussions and the political upheaval in Egypt were tightly interwoven with the beginning of the Third Century Crisis. The article surveys forty-three documents (papyri and ostraca), through which new findings regarding the history of Egypt can be attained.

Background: Several studies have resulted in controversial data about the recurrence or new incidence of hepatocellular carcinoma (HCC) in patients with hepatitis C who were treated with direct-acting antivirals (DAAs). Aim: This observational study aimed to assess the occurrence rate of HCC in patients who developed a sustained virological response (SVR).. Methods: A six-month prospective study was done at the National Hepatology and Tropical Medicine Research Institute [NHTMRI] in Cairo, Egypt on 150 chronic hepatitis...