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GIORNALE ITALIANO DI DERMATOLOGIA E VENEREOLOGIA

Rivista di Dermatologia e Malattie Sessualmente Trasmesse


Official Journal of the Italian Society of Dermatology and Sexually Transmitted Diseases
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ORIGINAL ARTICLE  


Giornale Italiano di Dermatologia e Venereologia 2017 October;152(5):418-23

DOI: 10.23736/S0392-0488.16.05315-3

Copyright © 2016 EDIZIONI MINERVA MEDICA

lingua: Inglese

Etiopathogenesis of rosacea: a prospective study with a three-year follow-up

Arianna F. AGNOLETTI 1, Elena DE COL 1, Aurora PARODI 1, Irene SCHIAVETTI 2, Vincenzo SAVARINO 3, Alfredo REBORA 1, Stefania PAOLINO 1, Emanuele COZZANI 1, Francesco DRAGO 1

1 Section of Dermatology, Department of Health Sciences, University of Genoa, San Martino-IST Hospital and Institute for Research and Care, Genoa, Italy; 2 Biostatistics Unit, Department of Health Sciences, University of Genoa, Genoa, Italy; 3 Department of Internal Medicine and Medical Specialties, University of Genoa, Genoa, Italy


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BACKGROUND: The aim of this study was to investigate the role of Demodex folliculorum (DF), Helicobacter pylori (HP), and small intestine bacterial overgrowth (SIBO) in the development of rosacea.
METHODS: A case-control study including 60 patients with rosacea and 40 healthy controls was performed. All the patients underwent standardized skin surface biopsy to investigate DF, urea breath test for HP and lactulose breath test and glucose breath test for SIBO. Etiological therapy was started in the following order: acaricidal treatment, antibiotics for SIBO and HP. These exams were repeated after 3 years. Statistical analysis was performed.
RESULTS: As regards the 88 patients who completed the entire follow-up, DF positivity was found in 47.7% of the patients, SIBO in 25.0%, and HP in 21.6%. SIBO significantly prevailed in papulopustular rosacea, while HP in erythrosis. At the 6-month follow up, the 61% of patients were in remission. After 3 years, 18% of patients dropped out, while the remaining patients repeated all the investigations. The majority of patients were still in remission and negative for HP while only 5 were positive for DF and 4 for SIBO.
CONCLUSIONS: SIBO was the most relevant factor in papulopustular rosacea. Its treatment was crucial in improvement and in maintaining the clinical remission.


KEY WORDS: Rosacea - Acaridae - Helicobacter pylori - Small intestine - Bacteria - Etiology

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Publication History

Issue published online: September 12, 2017
Article first published online: February 18, 2016
Manuscript accepted: February 9, 2016
Manuscript received: January 12, 2016

Per citare questo articolo

Agnoletti AF, De Col E, Parodi A, Schiavetti I, Savarino V, Rebora A, et al. Etiopathogenesis of rosacea: a prospective study with a three-year follow-up. G Ital Dermatol Venereol 2017;152:418-23. DOI: 10.23736/S0392-0488.16.05315-3

Corresponding author e-mail

a.agnoletti@virgilio.it