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Pemphigus Vulgaris: A Retrospective Cohort Study of Clinical Features, Treatments, and Outcomes
M J Cura1, A C Torre1, K Y Cueto Sarmiento1
1Servicio de Dermatología, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina.
Background:
Pemphigus vulgaris (PV) is an uncommon, serious disease that is treated with systemic corticosteroids and corticosteroid-sparing agents.
Objectives:
To describe and analyze the demographic and clinical characteristics of patients with PV.
Material And Methods:
Retrospective cohort study of adults diagnosed with PV over a period of 12years.
Results:
PV presented with mucosal lesions in 20 of the 32 patients studied (63%); the most common site was the oral mucosa followed by the vulva. Mucosal involvement was more common in women (P=.03). Lesions were found at more than 1 mucosal site in patients whose disease began in the mucosa, independently of age or sex (P=.003). Disease onset before the age of 40years was associated with generalized skin lesions (P=.003), a need for corticosteroid-sparing therapy (P=.05), and refractory PV (P=.02). Azathioprine was the most widely prescribed corticosteroid-sparing agent (in 22 patients). Eight patients (25%) were dependent on corticosteroids and disease recurred in 26 (81%). Complete remission, with or without treatment, was achieved in 15 patients (47%). Patients remained disease-free for a median of 14months, and 2 patients died (6%).
Conclusion:
Onset before the age of 40 years could be a sign of poor prognosis in patients with PV, as it was significantly associated with a higher risk of generalized skin involvement, a need for corticosteroid-sparing therapy, and refractory disease.
