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Introduction: Hyperuricemia is common in patients with psoriasis. Uric acid elevation in psoriasis has been suggested to be strongly associated with cardiovascular morbidity. Objective: To determine the relationship between uric acid levels and clinical severity as measured by the Psoriasis Area Severity Index (PASI), body surface area (BSA) and static Physician's Global Assessment (sPGA) in patients with plaque psoriasis and nail comorbidities and psoriatic arthritis. Method: Determination of serum uric acid in 45 patients with plaque psoriasis and 45 controls matched by gender, age and body mass index; measurement of patient clinical severity indices and presence of nail and joint manifestations. Results: Patients with psoriasis had higher levels of uric acid (7.03 ± 1.47 versus 5.32 ± 1.17, p < 0.01), and higher prevalence of asymptomatic hyperuricemia than controls (68% versus 17.8%, p < 0.01). There was significant proportional correlation between PASI-determined severity and uric acid (r 2 = 0.70), and between joint manifestations and hyperuricemia in patients with plaque psoriasis (p < 0.01; OR = 2.85, 95% CI = 1.52-5.33). Conclusions: Serum uric acid levels had a proportional correlation with PASI and were associated with joint manifestations in patients with plaque psoriasis.

Disponible en PubMed www.gacetamedicademexico.com ResumenIntroducción: La hiperuricemia es común en pacientes con psoriasis. Se ha sugerido que la elevación de ácido úrico en psoriasis está fuertemente asociada con morbilidad cardiovascular. Objetivo: Determinar la relación entre niveles de ácido úrico, gravedad clínica medida por Psoriasis Area Severity Index (PASI), Body Surface Area (BSA) y static Physician's Global Assessment (sPGA) en pacientes con psoriasis en placas y comorbilidades ungueales y artritis psoriásica. Método: Determinación de ácido úrico sérico en 45 pacientes con psoriasis en placas y 45 controles pareados por sexo, edad e índice de masa corporal; medición de índices de gravedad clínica en pacientes y presencia de manifestaciones ungueales y articulares. Resultados: Los pacientes con psoriasis presentaron niveles más elevados de ácido úrico (7.03 ± 1.47 versus 5.32 ± 1.17, p < 0.01) y mayor prevalencia de hiperuricemia asintomática (68 versus 17.8 %, p < 0.01) que los controles. Existió correlación proporcional significativa entre gravedad determinada por PASI y ácido úrico (r 2 = 0.70) y entre manifestaciones articulares e hiperuricemia en pacientes con psoriasis en placas (p < 0.01; RM = 2.85, IC 95 % = 1. 52-5.33). Conclusiones: Los niveles séricos de ácido úrico tuvieron correlación proporcional con PASI y se asociaron con manifestaciones articulares en pacientes con psoriasis en placas.

We describe a patient with chronic obstructive pulmonary disease caused by an enlarged localized chronic fibrosing process, who presented a rhinophyma-like eruption. The differential diagnosis and treatment are discussed.

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