Y.H. Nam, M.R. Park, H.J. Nam, S.K. Lee, K.H. Kim, M.S. Roh, S.J. Um, C.H. Son
Background Drug reaction with eosinophilia and systemic symptoms (DRESS) syndrome is a rare disease which can cause severe morbidity and mortality. The aim of this study is to evaluate the clinical manifestation and course of DRESS syndrome.
Methods We conducted a retrospective analysis of prospectively collected data in 45 patients with DRESS syndrome diagnosed between September 2009 and August 2011.
Results The most common causative drug group was antibiotics (n = 13, 28.9%), followed by anticonvulsants (n = 12, 26.7%), antituberculosis drugs (n = 6, 13.3%), non-steroidal anti-inflammatory drugs (n = 4, 8.9%), undetermined agents (n = 4, 8.9%), allopurinol (n = 3, 6.7%), and others (n = 3, 6.7%). The latency period ranged from 2 to 120 days, with a mean of 20.2 ± 24.3 days. The longest latency period was noted for the antituberculosis drug group, at 46.5 ± 29.9 days. Eosinophilia in peripheral blood examination was noted in 35 subjects (77.8%). Atypical lymphocytosis was noted in 16 patients (35.6%), and thrombocytopenia in seven patients (15.6%). Hepatic involvement was noted in 39 (86.7%) study patients, kidney in eight (17.8%), lung in four (8.9%), and central nervous system in one (2.3%). Systemic corticosteroids were administered to 10 patients (22.2%). Forty-three patients (95.6%) showed complete recovery, while two patients had poor outcomes.
Conclusions DRESS syndrome was not more uncommon than generally recognised. Antibiotics were the most frequently implicated drug group, followed by anticonvulsants. Most patients with this disease showed a better clinical outcome than that which had been generally expected.
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