Archive for the ‘Dermatology’ Category

Therapy valacyclovir against genital herpes

Tuesday, March 9th, 2010

genital herpes

Recurrent outbreaks of herpes simplex virus 2 (HSV2) or “genital herpes” can be treated effectively with a one-day therapy with valacyclovir (Valtrex), according to results of a pilot study published in the journal Sexually Transmitted Diseases.

To Dr. Stephen K. Tyring, Center for Health Sciences at the University of Texas in Houston, brought together 115 patients with recurrent HSV2 infection.

Patients received therapy one-day valacyclovir 4,000 milligrams (mg) in two doses of 2,000 mg, at the earliest signs of recurrence.

Participants performed monitoring the duration of their symptoms in diaries and collected genital swabs for viral cultures that were made 14 days after initiation of therapy. (more…)

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Detecting diseases caused by external parasites

Sunday, March 7th, 2010

Spanish experts designed a method for rapid detection of diseases caused by biting lice, ticks and fleas.

tick bites

Image: Christine McIntoshLas disease transmitted by tick bites is relatively common in our geography, especially in rural areas or among dog owners. Every year they come to diagnose cases of spotted fever or Lyme disease. Now a group of Spanish researchers has patented a method for the rapid diagnosis of bacterial diseases transmitted by the bites of small arthropods common.

Disease Detection

Researchers at the National Microbiology Center (CNM) have received the award for best evident in the V Awards Madrid, by creating a method for detecting bacterial species through DNA analysis, which allows a quick diagnosis diseases transmitted by biting lice, ticks and fleas. Pedro Anda, Laboratory of Spirochetes, CNM Special Pathogens and lead investigator, said that the bacteria transmitted by the bites of small arthropods “produce very significant health problems and their combined impact is relatively high.” (more…)

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A cell therapy achieves repigment chronic forms of vitiligo

Friday, March 5th, 2010

vitiligoA group of specialists at the University Hospital of Navarra has shown that it is possible repigment chronic forms, localized and stable vitiligo, a degenerative disease of the skin where the cells responsible for pigmentation, melanocytes die and stop producing melanin.

They have done by transplanting the patient’s own epidermal cells of a pigmented area on certain areas which appear depigmented. “The novelty of this method is that we grow epidermal cells in monolayer on a substrate of amniotic membrane,” explains Pedro Redondo, Pamplona center of that dermatologist and director of the work whose results were published in the official magazine of the British Association of Dermatologists. As noted, his team has treated ten patients with stable vitiligo by transplantation of these cells, and all have achieved high success rates, “witha repigmentation of 75 to 100 percent of the affected area.

As stated by Felipe Prosper, area director of the Clinical Cell Therapy, the treatment of vitiligo by this new technique begins with the cultivation of epidermal cells and keratinocyte-demelanocitos mixture, to then proceed to make selective crops. “To date there were no jobs in monolayer cultures of melanocytes because they had not found adequate support to achieve them,” says Prosper. In addition, Redondo stresses that “the best indication is the treatment of targeted areas, who have not responded to conventional medical treatments.

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Dermatitis can have many causes

Wednesday, March 3rd, 2010

Dermatitis

A wide variety of substances can cause a skin condition called contact dermatitis, which is often controlled with a proper diagnosis and treatment, experts say.

Contact dermatitis is a chronic or acute inflammation of the skin resulting from contact with a chemical, biological, or physical. The most common culprits include cosmetics, perfumes, certain foods, nickel and other metals, cleaning solutions and detergents, industrial chemicals and rubber latex.

The majority (between 20 and 35 per cent) of cases of dermatitis affecting the hands, including over 75 percent of cases of contact dermatitis related to the workplace, according to experts at the annual meeting of the American College of Allergy, Asthma & Immunology (ACAAI) in Seattle. (more…)

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