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Published on: June 10, 2018
Tinea capitis among children in the Columbus area, Ohio, USA
Jacquelyn R Coloe1, Mohammad Diab, Jessica Moennich
1College of Medicine, The Ohio State University Medical Center, Columbus, OH, USA.
Abstract:
Tinea capitis is a fungal infection of the hair follicles of the scalp. In the US, the most common organisms have traditionally been Trichophyton tonsurans, and occasionally Microsporum canis. This study was designed to examine patterns of organisms causing tinea capitis and determine factors associated with infection. A retrospective database analysis was conducted to locate records of patients with tinea capitis from May 2001 to May 2006 at Nationwide Children's Hospital in Columbus, OH. Descriptive statistics, frequency analysis, chi-squared test, and Student's t-test were performed to evaluate types of causative organisms and associated patient characteristics. One hundred and eighty-nine charts of patients with a positive scalp culture for tinea capitis were located. Trichophyton tonsurans (88.9%) was the foremost causative agent followed by Trichophyton violaceum (4.2%). Tinea capitis was more prevalent among African Americans and was more common in urban areas (P < 0.05). Children of African descent inhabiting urban settings were most vulnerable to tinea capitis. The most common organism isolated in this retrospective study was T. tonsurans. Trichophyton violaceum and Trichophyton soudanense were also isolated, which are not commonly reported causes of tinea capitis in the US.
Insights
This study found Trichophyton tonsurans to be the most common cause of tinea capitis (scalp fungal infection) in children. African American children in urban areas were most affected by this common scalp infection.
Area of Science:
- Dermatology
- Mycology
- Infectious Diseases
Background:
- Tinea capitis is a common fungal infection affecting scalp hair follicles.
- Traditional causative agents in the US include Trichophyton tonsurans and Microsporum canis.
- Understanding current etiological patterns and risk factors is crucial for effective management.
Purpose of the Study:
- To investigate the prevalent fungal organisms responsible for tinea capitis.
- To identify demographic and environmental factors associated with tinea capitis infection.
- To update epidemiological data on tinea capitis in the United States.
Main Methods:
- Retrospective analysis of patient records with positive scalp cultures for tinea capitis.
- Data collected from May 2001 to May 2006 at Nationwide Children's Hospital.
- Statistical analyses including descriptive statistics, frequency analysis, chi-squared, and Student's t-test were employed.
Main Results:
- 189 patient records with confirmed tinea capitis were analyzed.
- Trichophyton tonsurans was the predominant organism, identified in 88.9% of cases.
- Trichophyton violaceum (4.2%) and Trichophyton soudanense were also isolated, with higher prevalence in African Americans and urban populations (P < 0.05).
Conclusions:
- Trichophyton tonsurans remains the leading cause of tinea capitis.
- Tinea capitis disproportionately affects African American children residing in urban settings.
- The isolation of less common species like T. violaceum and T. soudanense highlights evolving etiological patterns.
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