Mohamed A. M. Khalaf

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We aimed at studying the acute cardiotoxicity of the most commonly used antipsychotics in Egypt using QTc interval and NT-proBNP as markers for the early detection of such cases. Eighty-two admitted patients, at El-Minia PCC (period from 1-7-2005 to 30-6-2010), were classified into 3 groups: I: acute thioridazine overdose (n = 28), II: acute pimozide(More)
The aim of this investigation was to study the effect of dentin depth and patient's age on the shear bond strength of one dentin adhesive (ART Bond), using an Instron Universal testing machine at a cross-head speed of 0.5 mm/min. Forty human molar teeth were used and were divided into two main groups, twenty each representing two age groups of patients,(More)
The use of phosphodiesterase-5 inhibitors has become the first-line treatment of erectile dysfunction nowadays. The daily application of tadalafil has become a line of treatment of other diseases such as pulmonary hypertension and cardiomyopathy. This study aimed at exploring whether the chronic use of tadalafil has an adverse effect on the testes and semen(More)
Tinnitus causes disability associated with concentration deficits, insomnia, hypersensitivity to sounds, anxiety and depression. Often a combination of several complaints leads to a diminished quality of life. The purpose of the study was to determine the effect of the Low Level Laser Therapy (LLLT) in the treatment of chronic tinnitus. Sixty patients with(More)
PURPOSE Glaucoma drainage implants are a useful alternative in treating glaucomas that are resistant to medical therapy and conventional glaucoma filtration surgery. The aim of this study is to evaluate flexible Ahmed glaucoma valve implant for selected cases of refractory glaucoma regarding its efficiency in controlling intraocular pressure (IOP) and(More)
PURPOSE To compare the effectiveness of 2 anesthesia techniques for pediatric refractive surgery, propofol/fentanyl and ketamine/midazolam. SETTING Department of Ophthalmology, Magraby Eye & Ear Center, Muscat, Oman. METHODS This prospective clinical study was of children ranging in age range from 3 to 12 years who were followed for myopic anisometropia(More)
Background: Carbon monoxide poisoning is a serious health problem that represents the 6 th most frequent toxic exposure in Egypt. Cardiotoxicity may be one of the commonest causes of morbidity and mortality of such cases. Objectives: This study aimed at studying the commonest presentation of CO poisoning regarding the electrical and biochemical changes in(More)
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