title: Contrast-enhanced ultrasonography of the small bowel in healthy cats.
abstract: We characterized the pattern of ultrasonographic contrast enhancement of the small intestinal wall using a commercial contrast medium (Sonovue(®) ) in 10 healthy awake cats. Subjectively, a rapid intense enhancement of the serosal and submucosal layers was followed by gradual enhancement of the entire wall section during the early phase. At peak enhancement, there was a subjective loss of demarcation between intestinal wall layers. In the late phase, there was a gradual wash out of signal from the intestinal wall. Submucosal wash out occurred last. Time-intensity curves were generated for selected regions in the intestinal wall and multiple perfusion parameters were calculated for each cat. Perfusion parameters included arrival time (7.64 ± 2.23 s), baseline intensity (1.04 ± 0.04 a.u.), time to peak from injection (10.74 ± 2.08 s), time to peak from initial rise (3.1 ± 1.15), peak intensity (8.92 ± 3.72 a.u.), wash-in rate (2.06 ± 0.70 a.u./s) and wash-out rate (-1.07 ± 0.91 a.u./s). The perfusion pattern of normal feline small bowel may be useful for characterizing feline gastrointestinal disorders that involve the intestinal wall.
authors.affiliation: Department of Veterinary Medical Science, University of Bologna, Bologna, Italy. alessia.diana@unibo.it
authors.forename: Alessia
authors.initials: A
authors.lastname: Diana
authors.forename: Swan
authors.initials: S
authors.lastname: Specchi
authors.forename: Marco
authors.initials: M
authors.lastname: Baron Toaldo
authors.forename: Roberto
authors.initials: R
authors.lastname: Chiocchetti
authors.forename: Andrea
authors.initials: A
authors.lastname: Laghi
authors.forename: Mario
authors.initials: M
authors.lastname: Cipone
mesh_terms: D000818:Animals; D002415:Cats / Q000033:anatomy & histology*; D003287:Contrast Media; D005260:Female; D007421:Intestine, Small / Q000000981:diagnostic imaging*; D008297:Male; D010743:Phospholipids; D013459:Sulfur Hexafluoride; D014463:Ultrasonography
chemical_list: D003287:Contrast Media; D010743:Phospholipids; C420843:contrast agent BR1; D013459:Sulfur Hexafluoride