title: Partial costectomy for tracheal collapse and stenosis associated with perinatal rib fracture in three Japanese Black calves.
abstract: 2.3-month-old (Case 1), one-month-old (Case 2) and 6-month-old (Case 3), Japanese Black calves presented with mild to severe wheezing. All calves had histories of dystocia at birth with breech presentation. Physical examination, thoracic radiography, endoscopy or computed tomography indicated wheezing associated with tracheal collapse and stenosis caused by perinatal rib fractures. Partial resection of the fractured first and second ribs was performed on all calves. The respiration in Cases 1 and 2 immediately improved after the surgery, while Case 3 required two weeks to improve. Cases 1 and 3 grew up healthy and were sold at auction, but Case 2 had a recurrence of wheezing at three months post-discharge and showed growth retarding. Partial costectomy may be an effective solution for control of respiration, however, further cases are required to discuss the criteria for surgical management and to obtain favorable postoperative prognosis in calves with tracheal collapse and stenosis caused by perinatal rib fractures.
authors.affiliation: Laboratory of Veterinary Surgery, Department of Veterinary Science, Faculty of Agriculture, University of Miyazaki, 1-1 Gakuen Kibana-dai Nishi, Miyazaki 889-2192, Japan.
authors.forename: Yuichi
authors.initials: Y
authors.lastname: Hidaka
authors.forename: Mitsuyoshi
authors.initials: M
authors.lastname: Hagio
authors.forename: Ichiro
authors.initials: I
authors.lastname: Kashiba
authors.forename: Kei
authors.initials: K
authors.lastname: Ando
authors.forename: Yuki
authors.initials: Y
authors.lastname: Otani
authors.forename: Hiroyuki
authors.initials: H
authors.lastname: Satoh
authors.forename: Yuko
authors.initials: Y
authors.lastname: Konishi
authors.forename: Nao
authors.initials: N
authors.lastname: Tsuzuki
authors.forename: Junichi
authors.initials: J
authors.lastname: Hokamura
authors.forename: Makoto
authors.initials: M
authors.lastname: Kajisa
authors.forename: Mie
authors.initials: M
authors.lastname: Wada
authors.forename: Yumi
authors.initials: Y
authors.lastname: Kirino
authors.forename: Taketoshi
authors.initials: T
authors.lastname: Asanuma
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D001720:Birth Injuries / Q000150:complications / Q000000981:diagnostic imaging / Q000662:veterinary*; D002417:Cattle; D002418:Cattle Diseases / Q000151:congenital* / Q000000981:diagnostic imaging / Q000209:etiology; D008297:Male; D012253:Rib Fractures / Q000150:complications / Q000000981:diagnostic imaging / Q000601:surgery / Q000662:veterinary*; D012272:Ribs / Q000601:surgery*; D014133:Tracheal Diseases / Q000000981:diagnostic imaging / Q000209:etiology / Q000662:veterinary*; D014135:Tracheal Stenosis / Q000000981:diagnostic imaging / Q000209:etiology / Q000662:veterinary*