Publications by authors named "Magdi Ismail"

2 Publications

  • Page 1 of 1

Obstructive bioprosthetic mitral valve thrombus: management options?

Asian Cardiovasc Thorac Ann 2014 Oct 18;22(8):975-8. Epub 2013 Oct 18.

Cardiac Surgery Department, Prince Salman Heart Center, King Fahad Medical City, Riyadh, Saudi Arabia.

Bioprosthetic valve thrombosis is an extremely rare event, therefore, long-term anticoagulation can be avoided. There is limited experience in the diagnosis and treatment of such a situation. We present the case of a patient with a porcine mitral bioprosthesis who presented with acute pulmonary edema, likely secondary to obstructive valve thrombosis. A favorable outcome was observed after conservative anticoagulant treatment.
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http://dx.doi.org/10.1177/0218492313491582DOI Listing
October 2014

Resistance to praziquantel, effect of drug pressure and stability test.

J Egypt Soc Parasitol 2002 Aug;32(2):589-600

Department of Parasitololgy, Faculty of Medicine, Zagazig University, Egypt.

Various isolates of S. mansoni, originally showed marked diminished susceptibility to PZQ, were used in this work. These isolates were taken from patients not cured after two or three doses of the drug. They were passed in experimental mice and treated with sub-curative doses of PZQ to determine the effect of drug pressure on the offspring of these isolates. Upon treatment of the second generation of these isolates with curative doses of PZQ, they showed significant less response to the drug in terms of both the drug efficacy (percent of worm reduction), and the ED50 (the effective dose that kills 50% of worms). Also, stability test was performed on some S. mansoni isolates. This means repeated treatment of unsusceptible isolates that have been passed for several passages in the lab. and results compared to that of a control susceptible isolate (originally taken from a patient cured after a single dose of PZQ). The results showed that repeated passage of S. mansoni isolates in the lab. does not render them more susceptible to PZQ. Indeed, these resistant isolates showed less susceptibility to the drug than before, or at least they retain their original level of insusceptibility to PZQ.
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August 2002
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