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Transpalpebral exenteration in cattle: a retrospective study of 115 cases
Author(s) -
Chigerwe Munashe,
Angelos John A.,
Gamsjäeger Lisa,
Heller Meera C.
Publication year - 2017
Publication title -
veterinary ophthalmology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.594
H-Index - 50
eISSN - 1463-5224
pISSN - 1463-5216
DOI - 10.1111/vop.12446
Subject(s) - medicine , odds ratio , surgery , pelvic exenteration , retrospective cohort study , medical record , dehiscence
Objective To describe the indications for exenteration and complications associated with the procedure. Animals studied 115 cattle. Procedures Medical records of cattle presented for unilateral exenteration evaluated at the University of California, Davis Veterinary Medical Teaching Hospital from January 1985 through December 2015 were reviewed. Results Median (range) age at presentation for all cattle was 6 (0.2–30) years. The most prevalent (80.9%) indication for exenteration was squamous cell carcinoma ( SCC ). Cattle >5 years had higher odds (OR = 11.2, 95% CI , 2.8–45.8) for undergoing exenteration due to SCC compared to cattle ≤5 years. Herefords had higher odds ( OR = 4.6, 95% CI , 1.5–14.6) for undergoing exenteration for SCC compared to other breeds. Holsteins had higher odds ( OR = 140.7, 95% CI , 7.5–2644) for undergoing exenteration for retrobulbar lymphoma compared to other breeds. Complications following exenteration were reported in 15 cases (13.0%). The postsurgical complications were orbital abscesses (6/15), recurrence of SCC (5/15), wound dehiscence (3/15), and excessive hemorrhage (1/15). Median (range) time to occurrence of postsurgical complications was 19 (5–205) days. There was no significant association ( P > 0.05) between ocular diagnosis, age, anesthetic technique or the suture pattern used to close the skin postsurgically, and occurrence of postsurgical complications. Conclusions Early clinical diagnosis of SCC by owners and veterinarians may prevent the need for exenteration. Owners should be made aware of the possible postsurgical complications following exenteration in cattle.