Epidemiological Trends and Clinicomycological Profile of Chronic Dermatophytosis: A Descriptive Study From South India.

Background: Chronic dermatophytosis refers to persistent or recurrent episodes of dermatophytosis lasting for more than 1 year despite adequate treatment with topical and systemic antifungal agents. The rise in the number of these cases is alarming over the past 5 to 6 years, and a thorough knowledge about the reasons for chronicity of dermatophytosis may go a long way in the treatment and prevention of this infection.

Aims And Objectives: The aim of this study was to investigate the epidemiology, various clinical types, and factors associated with chronicity in patients with chronic dermatophytosis, and to isolate the etiological agents and study the clinicomycological correlation.

Correction: Phenylephrine induces relaxation of longitudinal strips from small arteries of goat legs.

[This corrects the article DOI: 10.1371/journal.pone.

Phenylephrine induces relaxation of longitudinal strips from small arteries of goat legs.

Alpha adrenergic stimulation is known to produce vasoconstriction. We have earlier shown that, in spiral strips of small arteries Phenylephrine (PE) caused vasorelaxation under high nitric oxide (NO) environment. However, on further experimentation it was realized that the PE-induced vasorelaxant response occurred only with longitudinal strips of small arteries even under normal NO environment while circular strips showed contraction with PE even under high NO environment.

Phenylephrine Decreases Vascular Tension in Goat Arteries in Specific Circumstances.

Phenylephrine (PE) causes vasoconstriction through alpha adrenergic receptors. PE-induced vasodilatation has also been reported earlier in pre-constricted vessels. Here we demonstrate in spiral strips of goat arteries that addition of PE can decrease tone even from base-line levels (i.