Peer-reviewed veterinary case report
Sub-Tenon's anesthesia use in dog cataract surgery
By Bayley, Kellam D & Read, R A·Published in Veterinary ophthalmology·2018·Veterinary Ophthalmic Referrals, Australia·View original on PubMed →
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Original publication title: Sub-Tenon's anesthesia for canine cataract surgery.
- Species:
- dog
Plain-English summary
A group of 12 dogs undergoing cataract surgery had one eye treated with a new type of anesthesia called sub-Tenon's anesthesia, while the other eye received a standard method. The new technique allowed the surgeons to position the eye well for surgery without affecting the eye pressure. It also provided better access for surgery, especially in breeds with deeper eye sockets. Overall, sub-Tenon's anesthesia proved to be a good alternative to the traditional method, making the surgery easier for the veterinarians.
People also search for: dog cataract surgery anesthesia · sub-Tenon's anesthesia for dogs · canine cataract treatment options
Abstract
OBJECTIVE: To test a sub-Tenon's anesthesia technique in dogs as an alternative to systemic neuromuscular blockade to aid in canine cataract surgery under general anesthesia. PROCEDURES: A prospective controlled clinical study was performed involving 12 dogs undergoing bilateral cataract surgery under general anesthesia. One eye was randomly assigned to have phacoemulsification and prosthetic lens implantation performed with sub-Tenon's anesthesia (STA), and the control eye had surgery performed with systemic neuromuscular blockade (NMB). Intraocular pressure (IOP) was measured immediately before and after STA administration. Globe position, globe rotation, pupillary dilation, and vitreal expansion were assessed for both STA and NMB eyes during surgery. RESULTS: Sub-Tenon's anesthesia produced a globe position suitable for cataract surgery with the degree of vitreal expansion not significantly different to control NMB eyes. STA produced greater anterior globe displacement than NMB in all cases. STA had no significant effect on IOP. CONCLUSION: Sub-Tenon's anesthesia was an effective alternative to systemic neuromuscular blockade for canine cataract surgery and may be beneficial for surgical exposure in deep orbited breeds.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/29411508/