title: Non-occlusive mesenteric ischemia (NOMI): utility of measuring the diameters of the superior mesenteric artery and superior mesenteric vein at multidetector CT.
abstract: OBJECTIVE
  To investigate the diagnostic capability of multidetector computed tomography for detecting non-occlusive mesenteric ischemia (NOMI).
  
  
  METHODS
  We studied 11 NOMI patients and 44 controls. Radiologists evaluated the CT images for the presence of bowel ischemia and measured the diameters of the superior mesenteric artery and the superior mesenteric vein (DSMAand DSMV). We also performed linear discriminant analysis (LDA) using DSMAand DSMV.
  
  
  RESULTS
  All NOMI patients presented with more than 2 CT findings of bowel ischemia. DSMAand DSMVwere significantly smaller in NOMI patients than in the controls (p < 0.01). At the optimal cut-off values for DSMA(6.5 mm), DSMV(9.0 mm), and the Z value in LDA (0.93), sensitivity and specificity were 81.8 and 81.8; 81.8 and 88.6; and 81.8 and 97.7 %, respectively.
  
  
  CONCLUSIONS
  DSMAand DSMVwere significantly smaller in NOMI patients than in the controls and DSMVis a more significant parameter than DSMA.
authors.affiliation: Diagnostic Radiology, Graduate School of Biomedical Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, Japan, yukon@hiroshima-u.ac.jp.
authors.forename: Yuko
authors.initials: Y
authors.lastname: Nakamura
authors.forename: Masaki
authors.initials: M
authors.lastname: Urashima
authors.forename: Naoyuki
authors.initials: N
authors.lastname: Toyota
authors.forename: Chiaki
authors.initials: C
authors.lastname: Ono
authors.forename: Makoto
authors.initials: M
authors.lastname: Iida
authors.forename: Wataru
authors.initials: W
authors.lastname: Fukumoto
authors.forename: Yoko
authors.initials: Y
authors.lastname: Kaichi
authors.forename: Chihiro
authors.initials: C
authors.lastname: Tani
authors.forename: Yukiko
authors.initials: Y
authors.lastname: Honda
authors.forename: Daisuke
authors.initials: D
authors.lastname: Komoto
authors.forename: Fuminari
authors.initials: F
authors.lastname: Tatsugami
authors.forename: Hideaki
authors.initials: H
authors.lastname: Kakizawa
authors.forename: Shuji
authors.initials: S
authors.lastname: Date
authors.forename: Kazuo
authors.initials: K
authors.lastname: Awai
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