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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
Adolescent ; Adult ; Aged ; Behcet Syndrome/diagnosis ; Behcet Syndrome/epidemiology* ; Child ; Disease Progression ; Female ; Gastrointestinal Diseases/diagnosis ; Gastrointestinal Diseases/epidemiology* ; Humans ; Male ; Middle Aged ; Republic of Korea/epidemiology ; Retrospective Studies ; Risk Factors ; Seasons* ; Time Factors ; Young Adult
Disease activity ; Intestinal Behçet’s disease ; Seasonality
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. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Won Ho(김원호) ORCID logo https://orcid.org/0000-0002-5682-9972
Kim, Tae Il(김태일) ORCID logo https://orcid.org/0000-0003-4807-890X
Cheon, Jae Hee(천재희) ORCID logo https://orcid.org/0000-0002-2282-8904
Hong, Sung Pil(홍성필)
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