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Seasonal Variation in Flares of Intestinal Behçet's Disease

 Jin Ha Lee  ;  Jae Hee Cheon  ;  Sung Pil Hong  ;  Tae Il Kim  ;  Won Ho Kim 
 Digestive Diseases and Sciences, Vol.60(11) : 3373-3378, 2015 
Journal Title
 Digestive Diseases and Sciences 
Issue Date
BACKGROUND: There have been numerous investigations into the seasonality of several autoimmune diseases and inflammatory bowel disease in an effort to better understand the epidemiology and pathogenesis of these conditions. However, the relationship between the season and disease activity of intestinal Behçet's disease has not been investigated. AIMS: This study aimed to evaluate the seasonal pattern of exacerbations of intestinal Behçet's disease. METHODS: We evaluated 268 consecutive patients with intestinal Behçet's disease who were diagnosed and treated between November 1990 and March 2010 at Severance Hospital, Yonsei University, Seoul, Korea. Patient demographics, onset of symptoms, total number of relapses, and the month of each relapse were recorded. The relationship between the season and flares of intestinal Behçet's disease was analyzed. RESULTS: A total of 339 relapses occurred in 142 patients (53 %). The median age at diagnosis was 39 (10-73) years; the median follow-up duration was 74 (7-372) months. The peak seasons for relapse were spring and autumn, especially the months of May and September (p value <0.001). Compared with winter, spring and autumn had higher rates of flares (HR 1.92 and 1.91, respectively, p value <0.001). CONCLUSIONS: In this study, intestinal Behçet's disease demonstrated a biphasic pattern (peaks in spring and autumn) in exacerbations of disease, suggesting that seasonal or exogenous factors may be involved in the flares of intestinal Behçet's disease.
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1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실)
Yonsei Authors
김원호(Kim, Won Ho)
김태일(Kim, Tae Il) ORCID logo https://orcid.org/0000-0003-4807-890X
천재희(Cheon, Jae Hee) ORCID logo https://orcid.org/0000-0002-2282-8904
홍성필(Hong, Sung Pil)
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