Publications by authors named "H A El-Sayed"

Vitiligo pathogenesis is complex. There is some evidence in support of the neurohormonal pathways involved. Although considered a nonpruritic condition, some patients may experience itching, which can occur ahead of the appearance of the patches.

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Blastocystis, an eukaryote, inhabits the intestinal tract of humans and animals worldwide. Lactobacillus acidophilus (L. acidophilus), a probiotic, has been reported to be effective against blastocystosis.

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Introduction: COVID-19 severity and high in-hospital mortality are often associated with severe hypoxemia, hyperlactatemia, and acidosis, yet the key players driving this association remain unclear. It is generally assumed that organ damage causes toxic acidosis, but since neutrophil numbers in severe COVID-19 can exceed 80% of the total circulating leukocytes, we asked if metabolic acidosis mediated by the glycolytic neutrophils is associated with lung damage and impaired oxygen delivery in critically ill patients.

Methods: Based on prospective mortality outcome, critically ill COVID-19 patients were divided into ICU- survivors and ICU-non-survivors.

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Wool is the most widely used proteinic natural fiber in the clothing industry by virtue of its versatile properties. Unfortunately, wool, as a natural fiber, is more susceptible to attack by microorganisms and moths, which may cause harm to the fiber and human health. That is why the antimicrobial and mothproof finishing of natural textiles is of prime importance to the textile and clothing industry.

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Background: Psoriasis is a common chronic systemic disease affecting the skin, nails, and joints. Nails are commonly associated with a greater severity of the disease. Radiofrequency (RF) is a nonionizing radiation that provides energy originating from electric current to generate heat inside the dermis with anti-inflammatory effects.

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