Surgery of the Orbit

Gelatt, Kirk N.; Gelatt, Janice P.; Plummer, Caryn E.

doi:10.1016/b978-0-7020-8163-7.00005-6

Cited by 2 publications

(9 citation statements)

References 24 publications

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“…However, the overall blood loss in both groups was low and there were no complications associated with hemorrhage. Veterinary ophthalmology surgical texts state that intraoperative hemorrhage is expected to be lower for SC enucleation 1,16 . The authors who routinely perform SC enucleation propose that there is less surgical blood loss with this approach primarily due to superior visualization of anatomical structures for tissue dissection in comparison to the TP approach.…”

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…Enucleation refers to surgical removal of the eye, specifically the removal of the globe, conjunctiva, nictitating membrane, and eyelids 1 . Indications for enucleation are ocular diseases, including, but not limited to, advanced glaucoma, ocular neoplasia, endophthalmitis, unmanageable pain associated with congenital or acquired ocular disease and severe ocular injury not amenable to surgical repair 1,2 . Enucleation is the most common orbital surgery performed in domestic animals 3 and is performed within all categories of veterinary practice; in the United Kingdom (UK), small animal veterinary practice is broadly divided into general practice and referral practice.…”

Section: Introductionmentioning

confidence: 99%

“…Enucleation is the most common orbital surgery performed in domestic animals 3 and is performed within all categories of veterinary practice; in the United Kingdom (UK), small animal veterinary practice is broadly divided into general practice and referral practice. The two main surgical approaches for enucleation are subconjunctival (also termed transconjunctival) and transpalpebral 1,3 …”

Section: Introductionmentioning

confidence: 99%

“…Enucleation must be differentiated from other surgical procedures that involve the removal of the globe or parts of the globe. Evisceration refers to the removal of the intraocular tissues of the globe with preservation of the sclera and cornea to accommodate implantation of an intrascleral prosthesis 1 . Exenteration describes the removal of the globe and orbital contents 1,3 for which indications include orbital neoplasia and severe orbital infection.…”

Section: Introductionmentioning

confidence: 99%

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Estimation of the intraoperative blood loss in dogs undergoing enucleation

Lenihan¹,

Linn-Pearl²,

Grundon³

et al. 2022

Veterinary Ophthalmology

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To quantify the surgical blood loss during canine enucleation and to investigate the relationship between this and any patient, surgical, and anesthetic factors. Methods:A prospective observational analysis was conducted on 121 clientowned dogs (130 eyes) undergoing enucleation at a referral ophthalmology clinic.Blood loss was estimated by the gravimetric method (weight difference between dry and blood-containing surgical materials) to provide absolute blood loss (ABL) in milliliters, expressed as a percentage of circulating blood volume, to establish relative blood loss (RBL).Results: Median ABL was 12 ml (1.6-116 ml), and median RBL was 1.3% (0.1%-6.7%). A higher RBL was associated with the following: use of a bupivacaine splash block versus retrobulbar nerve block (1.9 vs. 1%; p < .001), transpalpebral versus subconjunctival approach (2.2 vs. 1.3%; p = .003), and small versus large breed dogs (1.7% vs. 1.1%; p = .001). Both ABL and RBL differed significantly between surgeons. There was no significant difference in hemorrhage associated with the presence of ocular hypertension, systemic illness, surgical time, administration of meloxicam or choice of pre-medicant (acepromazine vs medetomidine). No dog required supportive intervention in response to surgical hemorrhage. Conclusions:This study has established a surgical blood loss estimate for dogs undergoing enucleation at an ophthalmology referral centre. Subconjunctival enucleation may be preferred for patients at greater risk of haemodynamic complications.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Estimation of the intraoperative blood loss in dogs undergoing enucleation

Lenihan¹,

Linn-Pearl²,

Grundon³

et al. 2022

Veterinary Ophthalmology

View full text Add to dashboard Cite

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Iridial melanocytoma in a ferruginous hawk (Buteo regalis): A case report and review of avian melanocytic neoplasia

Spitznagel

Sadar

Terhaar

et al. 2023

Veterinary Ophthalmology

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A 21‐year‐old, suspected female captive ferruginous hawk (Buteo regalis) was followed for 3 years due to an iridial mass of the left eye (OS) that progressively increased in size. Enucleation of OS was eventually recommended due to the iridial mass taking up approximately 75% of the anterior chamber, and the bird seemed less active. A complete physical examination, complete blood cell count, biochemistry, and survey radiographs were performed pre‐surgery with no findings indicating metastasis. A subconjunctival enucleation was performed and the globe was submitted for histopathology through the Comparative Ocular Pathology Lab of Wisconsin. The histopathologic evaluation determined the mass to be consistent with an iris melanocytoma, which has not been previously reported in this species. The patient recovered well from surgery and has remained comfortable and active for 117 days post‐surgery. This case report aimed to review the current available information on avian ocular neoplasms as well as describe the clinical presentation, medical management and surgical procedure, and long‐term follow‐up for this patient to enhance clinical understanding of the behavior of iris melanocytic tumors in avian species.

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Surgery of the Orbit

Cited by 2 publications

References 24 publications

Estimation of the intraoperative blood loss in dogs undergoing enucleation

Estimation of the intraoperative blood loss in dogs undergoing enucleation

Iridial melanocytoma in a ferruginous hawk (Buteo regalis): A case report and review of avian melanocytic neoplasia

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