Retrobulbar blocks.

Ophthalmology

Published: September 1995

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http://dx.doi.org/10.1016/s0161-6420(95)38037-2DOI Listing

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Objectives: To evaluate the perioperative efficacy of a modified supratemporal retrobulbar block in dogs undergoing ocular surgery.

Materials And Methods: In this prospective randomized clinical trial, dogs were premedicated with dexmedetomidine (1 mcg/kg im) and methadone (0.1 mg/kg im), induced with propofol to effect and maintained with isoflurane (FE'Iso 1.

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Peribulbar vs. incisionless sub-Tenon's blocks: a retrospective cohort study.

Eur J Med Res

December 2024

Department of Anesthesiology and Reanimation, Faculty of Medicine, Osmangazi University, Büyükdere Mh, Odunpazarı, 26040, Eskişehir, Turkey.

Background: Ophthalmic procedures are increasingly being performed under regional anesthesia techniques such as peribulbar and incisionless sub-Tenon's blocks. The aim is to compare peribulbar block with incisionless sub-Tenon's block in terms of perioperative complications in patients who underwent cataract and vitreoretinal surgeries.

Methods: The patients who underwent cataract or vitroretinal surgery under peribulbar block or incisionless sub-Tenon's block were included in the study.

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Article Synopsis
  • The study investigates the supratemporal retrobulbar block as an anesthetic technique in cats, addressing its effectiveness and injection methods.
  • A modified injection of a specific mixture was performed on cadavers, showing a high success rate in contrast agent spread and good distribution around the optic nerve.
  • In a clinical setting with 12 cats, the retrobulbar group experienced fewer anesthetist interventions compared to the control group, indicating a potential advantage of the supratemporal approach for surgeries.
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Background: The purpose of the study was to compare the mean post-operative pain in patients undergoing phacoemulsification for cataract with topical anaesthesia vs. retrobulbar anaesthesia.

Methods: An interventional study was carried out in a tertiary care hospital of Islamabad.

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Strabismus following other intraocular surgery has several well-described etiologies. Vitreoretinal surgeries are the most likely to require retrobulbar anesthesia and exoplants, two commonly associated risk factors for postoperative strabismus. A reliable assessment of the incidence of strabismus secondary to other ocular surgery has not been established.

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