![]() ![]() Persistent shunting was common, although many cats with persistent shunting were clinically normal. Placement of an ARC on single extrahepatic PSS in cats resulted in low surgical complication and perioperative mortality rates, but most cats did have substantial postoperative complications. HLI was induced in male Apolipoprotein E ( ApoE/) deficient mice by a 2-stage procedure of initial gradual femoral artery occlusion by ameroid constrictors for 14 days and subsequent excision. Overall, 75% (15 of 20) of cats had an excellent long-term outcome. Persistent shunting was identified in 8 of 14 cats. Perioperative mortality rate was 4.3% (1 of 23). Postoperative complications developed in 77% (17 of 22) of cats after ARC placement, and included central blindness, hyperthermia, frantic behavior, and generalized motor seizures. ![]() Animals: Dogs (n 22) with congenital extrahepatic portosystemic shunts. Mean (+/- SD) portal pressure (n = 15) was 6.7+/-2.9 mm Hg before PSS manipulation, 18.6+/-7.7 mm Hg with complete temporary PSS occlusion, and 6.9+/-2.7 mm Hg after ARC placement. Objective: To evaluate the in vivo pattern of ameroid constrictor closure of congenital extrahepatic portosystemic shunts in dogs. Intraoperative complications, consisting of PSS hemorrhage, occurred in 2 cats. Follow-up information was obtained by telephone interview with the owners.Īn ARC was successfully placed in 22 of 23 cats. Cats were scheduled for recheck transcolonic portal scintigraphy 8 to 10 weeks after surgery. Portal pressure was measured prior to ARC placement, with complete temporary PSS occlusion, and after ARC placement. To document the signalment history clinical signs clinicopathologic, diagnostic imaging, and surgical findings perioperative complications and long-term clinical results of ameroid ring constrictor (ARC) placement on single extrahepatic portosystemic shunts (PSS) in cats.Ģ3 cats treated with an ARC on a single extrahepatic PSS.Īn ARC was placed surgically around the PSS. Deploying ameroid constrictors can be logistically difficult, requiring aseptic surgery to expose the coronary artery, placement of the constrictor on a beating heart, and closure of the. ![]()
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