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Clinical features, anaesthetic management and perioperative complications seen in three horses with pheochromocytoma

Norgate, D J; Foster, A; Dunkel, B; Spiro, S; Veres-Nyeki, K O

Authors

D J Norgate

A Foster

B Dunkel

S Spiro

K O Veres-Nyeki



Abstract

Three horses presenting with colic signs to the Equine Referral Hospital at The Royal Veterinary College underwent general anaesthesia between September 2013 and November 2017 for emergency exploratory laparotomy. No obvious cause for the colic signs was identified in two horses, while a haemoperitoneum was identified in the third. All horses were euthanased within 12 hours of surgery due to deteriorating haemodynamic instability and/or intractable pain. Postmortem examination revealed an adrenal mass in each case, confirmed to be a pheochromocytoma on histopathology. In retrospect, each horse had some hallmark characteristics consistent with a functional pheochromocytoma, including hyperglycaemia and hyperlactataemia. Extremely high packed cell volume (PCV) (>65 per cent) was also identified in two horses, with a high-normal PCV found in the haemoperitoneum case. Perioperative haemodynamic instability was predominantly characterised by episodes of intermittent hypertension and tachycardia.

Citation

Norgate, D. J., Foster, A., Dunkel, B., Spiro, S., & Veres-Nyeki, K. O. (2019). Clinical features, anaesthetic management and perioperative complications seen in three horses with pheochromocytoma. https://doi.org/10.1136/vetreccr-2018-000744

Journal Article Type Other
Acceptance Date Feb 22, 2019
Publication Date Mar 30, 2019
Deposit Date May 31, 2019
Publicly Available Date May 31, 2019
Journal Veterinary Record Case Reports
Peer Reviewed Peer Reviewed
Volume 7
Issue 1
DOI https://doi.org/10.1136/vetreccr-2018-000744
Public URL https://rvc-repository.worktribe.com/output/1382981

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