Studies on the efficacy of Sub-Tenonâ s anaesthesia as an adjunct to general anaesthesia for ocular surgery in dogs

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dc.contributor.advisorDevi, N Umeshwori
dc.contributor.authorSingh, Anmol
dc.date.accessioned2021-10-12T10:49:28Z
dc.date.available2021-10-12T10:49:28Z
dc.date.issued2021
dc.descriptionT1995
dc.description.abstractThe present study was conducted on 16 dogs with cataract or pigmentary keratitis to evaluate the efficacy of Sub-Tenonâ s anaesthesia as an adjunct to general anaesthesia. The age of dogs was between 0.5-11 years and weighed between 7-65 kgs. The dogs were divided into 2 groups [Group I (GA) and Group II (GA + STA)] with 8 dogs in each group. No significant change in IOP was observed after application topical mydriatics or Sub-Tenonâ s anaesthesia. Mean volume of local anaesthetic used for Sub-Tenonâ s anaesthesia was 3.28± 0.23 ml. Topical mydriatics were used to dilated pupil in Group I cases. Akinesia was present in all cases after application of Sub-Tenonâ s anaesthesia in Group II while stay sutures were used in Group I. Mydriasis quality was excellent in 4 cases, good, fair and poor in one case each in Group I & excellent in 7 out of 8 cases in Group II. The mean ± SE time for onset of mydriasis with Sub-Tenonâ s anaesthesia was 4.6± 0.45 minutes. Mean ± SE values for Isoflurane concentration (%) (P=0.005), Pulse rate (P=.009) and MAP (P=0.009) for Group I were significantly higher from Group II. Intra-operative analgesia was superior in Group II as compared to Group I. Modified Melbourne pain score values were significantly higher after recovery (P=0.02) and 6 hours (P=0.01) post-operatively in Group I. Significant rise in cortisol levels from baseline at 6 hours post-operatively was noted in Group I as compared to Group II (P=0.01). Thus, it can be concluded that Sub-Tenonâ s anaesthesia provided proper akinesia, adequate mydriasis, reduced isoflurane requirements, provided adequate intra-operative and post-operative analgesia and is a safe regional anaesthetic technique for cataract surgery/superficial keratectomy.
dc.identifier.urihttps://krishikosh.egranth.ac.in/handle/1/5810177119
dc.keywordsSub-Tenonâ s anaesthesia, topical mydriatics, stay sutures, mydriasis, akinesia, analgesia.
dc.language.isoEnglish
dc.pages75p.
dc.publisherGuru Angad Dev Veterinary and Animal Sciences University, Ludhiana
dc.subVeterinary Surgery and Radiology
dc.these.typeM.V.Sc.
dc.titleStudies on the efficacy of Sub-Tenonâ s anaesthesia as an adjunct to general anaesthesia for ocular surgery in dogs
dc.typeThesis
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