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KMID : 1188320130070050532
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Gut and Liver
2013 Volume.7 No. 5 p.532 ~ p.538
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Visceral Obesity as a Risk Factor for Left-Sided Diverticulitis in Japan: A Multicenter Retrospective Study
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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
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Abstract
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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/m2, p=0.0349), viscerally obese patients (visceral fat area ≥100 cm2, 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 right-sided-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.
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KEYWORD
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Diverticulitis, Epidemiology, Risk, Obesity
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