Hisham Zayan Abdel-Hafez

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OBJECTIVE To study the changes in semen parameters, gonadotropic and sex hormones, and serum leptin in obese fertile and infertile oligozoospermic men. DESIGN Prospective. SETTING University hospital. PATIENT(S) Forty-two obese fertile and 80 obese infertile oligozoospermic men (body mass index [BMI] >30). INTERVENTION(S) The BMI calculation, semen(More)
In clinical practice, the attention given to sexual problems in patients with end-stage renal disease is low. In order to evaluate the erectile function in chronic renal failure patients undergoing hemodialysis (HD) as a renal replacement therapy in upper Egypt, we used the abridged version of the International Index of Erectile Function (IIEF-5). In all,(More)
BACKGROUND Alopecia areata (AA) is an immune-mediated form of hair loss that occurs in all ethnic groups, ages, and both sexes. Helicobacter pylori has been associated with certain extra-digestive dermatological conditions, including chronic urticaria, rosacea, Schönlein-Henoch purpura, Sweet syndrome, systemic sclerosis, and atopic dermatitis. OBJECTIVE(More)
BACKGROUND Oxidative stress (OS) results from an imbalance between free radical generating and scavenging systems. The end product of lipid peroxidation, malondialdehyde (MDA) serves as a marker of cellular damage. Superoxide dismutase (SOD) traps free radicals and acts as a free radical scavenging system. OBJECTIVE To study OS indices in paucibacillary(More)
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