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9 December 2019 Vegetative Endocarditis due to Staphylococcus aureus in an Umbrella Cockatoo (Cacatua alba)
Amanda Steinagel, Katherine Quesenberry, Taryn Donovan
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A 15-year-old, female cockatoo (Cacatua alba) was presented with a history of intermittent cloacal prolapse of 1-year duration. After each prolapse, the owner would digitally reduce the distended cloacal tissue within approximately 12–24 hours, for short-term resolution. The cockatoo was examined 3 times over a 7-month period and received supportive care with leuprolide acetate, behavioral modification, and diet change. After the third examination, the owner decided to proceed with a surgical cloacopexy. Five days after the last examination and before the procedure was scheduled, the cockatoo was reexamined for acute onset of weakness, anorexia, lethargy, and right-leg paresis. Despite supportive treatment, the cockatoo's clinical condition declined, and it went into respiratory arrest. Resuscitative efforts, including manual ventilation and cardiovascular support, were unsuccessful, and the bird died. Results of postmortem examination revealed vegetative endocarditis with intralesional bacteria cultured as Staphylococcus aureus, right-hindlimb myonecrosis, hepatitis, and nephritis. We suspect that the source of the hematogenous S aureus infection in this cockatoo was translocation from the owner's skin from the repeated manual manipulation and replacement of the prolapsed cloacal tissue.

© 2019 by the Association of Avian Veterinarians
Amanda Steinagel, Katherine Quesenberry, and Taryn Donovan "Vegetative Endocarditis due to Staphylococcus aureus in an Umbrella Cockatoo (Cacatua alba)," Journal of Avian Medicine and Surgery 33(4), 419-426, (9 December 2019).
Published: 9 December 2019

Cacatua alba
cloacal prolapse
Staphylococcus aureus
umbrella cockatoo
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