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Peer-reviewed veterinary case report

Bone regrowth surgery for broken leg in yellow-naped Amazon parrot

By Johnston, Matthew S et al.·Published in Journal of avian medicine and surgery·2008·Department of Clinical Sciences, United States·View original on PubMed

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Original publication title: Bone transport osteogenesis for reconstruction of a bone defect in the tibiotarsus of a yellow-naped Amazon parrot (Amazona ochrocephala auropalliata).

Species:
bird
Movement & jointsBirds

Plain-English summary

A yellow-naped Amazon parrot was brought in after suffering a traumatic fracture in its left leg that had not healed properly over five months. Initially, the fracture was treated with a pin and bandage, but complications arose, leading to weakened bone and poor blood supply. After several unsuccessful attempts to fix the issue, the parrot underwent a new procedure called bone transport osteogenesis, which helped regrow the bone. Within seven weeks, the leg had grown to full length, and after a couple more surgeries to promote healing, the parrot's leg became functional again. This case shows promise for using this technique in birds with similar injuries.

People also search for: parrot leg fracture treatment · bone transport osteogenesis in birds · yellow-naped Amazon parrot surgery recovery

Abstract

A yellow-naped Amazon parrot (Amazona ochrocephala auropalliata) was presented 5 months after a traumatic fracture of its left tibiotarsus. Fixation of the simple, closed, mid-diaphyseal fracture was originally with an intramedullary pin and external coaptation with a modified Robert-Jones bandage. During the subsequent 5 months, the bone became osteopenic, and the middle third of the tibiotarsus exhibited probable avascular necrosis. After various fixation attempts failed, the parrot was fitted with a ring fixator device, and bone transport osteogenesis was attempted. Within 7 weeks, the left tibiotarsus had regrown to full length, but the docking site at the proximal fracture line had not healed. After 2 more surgeries to debride bone ends to stimulate healing, the leg in this parrot became functional. This is the first reported clinical use of bone transport osteogenesis in a pet bird. Materials and techniques were applied successfully to this parrot, which suggests that bone transport osteogenesis deserves further study for the repair of large bone defects in birds.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/18543602/