RESUMEN
BACKGROUND: Association of palmoplantar pustulosis (PPP) with metabolic and autoimmune diseases has been reported in mostly small case series or anecdotal cases. OBJECTIVE: To assess health-related quality of life and prevalence of comorbidities in a large cohort of PPP patients. METHODS: We conducted a cross-sectional study on patients with either active or past PPP. Disease severity was measured by the Palmoplantar Pustulosis Area and Severity Index (ppPASI). Quality of life was assessed by the Dermatology Life Quality Index (DLQI). Comorbidities were evaluated by medical history, blood examination, stool testing for Helicobacter pylori antigen and screening tools for depression and psoriatic arthritis. RESULTS: A total of 102 patients (87 women, 15 men) with a mean age of 52.6 ± 14.1 years were evaluated. The mean DLQI was 7 ± 6. Comorbidities were frequent and consisted of hypercholesterolaemia (38%), hypertension (32%), obesity (27%), metabolic syndrome (26%), depression (24%), diabetes (19%), autoimmune thyroiditis (16%) and psoriatic arthritis (16%). CONCLUSION: Patients with PPP have an impaired quality of life and a broad range of comorbidities. Contrary to other reports, our investigation failed to show an association between PPP and coeliac disease or H. pylori infection.