TÌNH HÌNH NHIỄM DEMODEX VÀ ĐẶC ĐIỂM LÂM SÀNG, MỘT SỐ YẾU TỐ LIÊN QUAN Ở BỆNH NHÂN MỤN TRỨNG CÁ NHIỄM DEMODEX TẠI CÁC TRƯỜNG TRUNG HỌC PHỔ THÔNG Ở THÀNH PHỐ BẾN TRE, TỈNH BẾN TRE

Abstract

Background: Demodex infection in acne is common in adolescents with diverse clinical characteristics and related factors. Objectives: To determine the rate of Demodex infection in acne patients and describle the clinical characteristics and related factors in acne patients infected with Demodex. Materials and methods: A cross-sectional descriptiption of 273 acne students at som high schools in Ben Tre City, Ben Tre Province. Results: 16-year-old group (84.6%) and female (57.1%) in 273 students studied. Demodex infection rate was 12.5% and 5% of them had 2.2% Demodex density of five or more mites; the average disease severity was the highest (81.78%). Clinical features of acne patients with Demodex included were comedones (82.3%), papules (73.5%), and pustules (14.7%). Additionally, pruritus (44.1%). The habit of sharing towels with others and shaving facial hair was identifified as facrors realate to Demodex infection (p < 0.05). Conclusions: Demodex infection accounts for 12.7% of acne with clinical features of comedones, papules, pustules, and pruritus, in which itching was the suggestive symptom. Sharing towels and shaving facial hair are factors associated with Demodex infestation in acne patients.