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Visceral Obesity as a Risk Factor for Left-Sided Diverticulitis in Japan: A Multicenter Retrospective Study

2013; Korean Association for the Study of the Liver; Volume: 7; Issue: 5 Linguagem: Inglês

10.5009/gnl.2013.7.5.532

2005-1212

Eiji Yamada, Hidenori Ohkubo, Takuma Higurashi, Eiji Sakai, Hiroki Endo, Hirokazu Takahashi, Eri Uchida, Emi Tanida, Nobuyoshi Izumi, Akira Kanesaki, Yasuo Hata, Tetsuya Matsuura, Nobutaka Fujisawa, Kazuto Komatsu, Shin Maeda, Atsushi Nakajima,

Appendicitis Diagnosis and Management

Background/Aims: Left-sided diverticulitis is increasing in Japan, and many studies report that left-sided diverticulitis is more likely to be severe.Therefore, it is important to identify the features and risk factors for left-sided diverticulitis.We hypothesized that left-sided diverticulitis in Japan is related to obesity and conducted a study of the features and risk factors for this disorder in Japan.Methods: Right-sided diverticulitis and left-sided diverticulitis patients (total of 215) were compared with respect to background, particularly obesity-related factors to identify risk factors for diverticulitis.Results: There were 166 (77.2%) right-sided diverticulitis patients and 49 (22.8%)left-sided diverticulitis patients.The proportions of obese patients (body mass index ≥25 kg/m 2 , p=0.0349), viscerally obese patients (visceral fat area ≥100 cm 2 , p=0.0019), patients of mean age (p=0.0003), and elderly patients (age ≥65 years, p=0.0177) were significantly higher in the left-sided-diverticulitis group than in the rightsided-diverticulitis group.The proportion of viscerally obese patients was significantly higher in the left-sided-diverticulitis group than in the left-sided-diverticulosis group (p=0.0390).Conclusions: This study showed that obesity, particularly visceral obesity, was a risk factor for left-sided diverticulitis in Japan.