4 Works

Supplement to: Global impact of the COVID-19 pandemic on stroke care and intravenous thrombolysis

Raul Nogueira, Muhammed Qureshi, Mohamad Abdalkader, Sheila Martins, Hiroshi Yamagami, Zhongming Qiu, Ossama Mansour, Anvitha Sathya, Anna Czlonkowska, Georgios Tsivgoulis, Diana Aguiar De Sousa, Jelle Demeestere, Robert Mikulik, Peter Vanacker, James Siegler, Janika Korv, Jose Biller, Conrad Liang, Navdeep Sangha, Alicia Zha, Alexandra Czap, Christine Holmstedt, Tanya Turan, George Ntaios, Konark Malhotra … & Thanh Nguyen
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...

A comparative study between Vitamin K1 and K2 on vascular calcification in hemodialysis patients: a randomized controlled trial

Sarah Farid Mohamed Fahmy
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...

Some Highlights from The Documents of Egypt under the Reign of Maximinus Thrax (Mid-March /25 March 235 C.E. – 10 May 238 C.E.)

Hanan M. I. Ismail
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.

New incidence or recurrence hepatocellular carcinoma (HCC) in genotype 4 hepatitis C virus treated with sofosbuvir/daclatasvir with or without ribavirin

Aya Essawy, Mai Mehrez, Sara Zaki, Hassan El Garem & Nagwa Sabri
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...

Registration Year

  • 2021

Resource Types

  • Dataset
  • Text


  • Ain Shams University
  • Emory University School of Medicine
  • New York University Langone Medical Center
  • Modern University for Information and Technology
  • Kwame Nkrumah University of Science and Technology
  • Ain Shams University Hospital
  • Kaiser Permanente
  • Allegheny Health Network
  • Medical University of South Carolina
  • University of North Carolina