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retrobulbar block

Yuna Rapoport, Laura L Wayman, Amy S Chomsky
BACKGROUND: A growing proportion of veterans treated at the Veterans Health Administration (VA) have a history of post-traumatic-stress-disorder (PTSD), and there exists a higher rate of PTSD amongst veterans than the general population. The purpose of this study is to determine the correlation between PTSD and intra-operative analgesia, intra-operative time, and anesthesia type for cataract surgery in a veteran population. Secondary objectives are to determine if patient age, and first or second eye surgery affect intra-operative pain control or are correlated with type of anesthesia modality...
June 7, 2017: BMC Ophthalmology
Lan Yao, Hong Zhao, Bailin Jiang, Yi Feng
BACKGROUND AND OBJECTIVES: Pediatric ophthalmologic surgery is traditionally accomplished by general anesthesia with opioids, but respiratory depression remains a major concern. Our study compared the efficacy of retrobulbar block with systemic fentanyl on pain, hemodynamic, and stress response in pediatric vitreoretinal surgery. METHODS: A prospective double-blind, randomized controlled study was performed comparing retrobulbar block with intravenously administered fentanyl in 28 children aged 1 to 6 years undergoing vitreoretinal surgery...
July 2017: Regional Anesthesia and Pain Medicine
Kumale Tolesa, Girum W Gebreal
BACKGROUND: Retro-bulbar anesthesia is one of the most common regional blocks used for intraocular surgeries. Complications associated with regional blocks may be limited to the eye or may be systemic. CASE REPORT: After a retro-bulbar block for glaucoma surgery, a 60-year-old man developed loss of consciousness, apnea with hypotension and bradycardia-features of brainstem anesthesia. We present the clinical features, treatment and comments on how to prevent the problem as well as a review of the literature on reported cases...
November 2016: Ethiopian Journal of Health Sciences
Frederick A Jakobiec, Fouad R Zakka, Alice Lorch
A 25-year-old man with Type 1 diabetes mellitus experienced rapid visual decline and was scheduled for right cataract surgery. At the time of administering an inferotemporal retrobulbar block, a white discharge appeared spontaneously on the surface of the globe. Superotemporally a cyst was found and its contents were subtotally evacuated. Microscopically, eosinophilic, acellular material with chatter artifact and small vacuoles was detected and initially thought to represent a lens choristoma. This material stained moderately with the periodic acid Schiff method and was focally Congo red positive without apple green birefringence; it also stained blue with the Masson trichrome method...
January 5, 2017: Ophthalmic Plastic and Reconstructive Surgery
Takahiko Hayashi, Itaru Oyakawa, Naoko Kato
PURPOSE: To describe several essential surgical techniques that overcome difficulties in performing Descemet membrane endothelial keratoplasty (DMEK) for inexperienced surgeons, especially those who perform DMEK on eyes of Asian patients. METHODS: Nine eyes of 9 Asian patients with bullous keratopathy who underwent DMEK were analyzed retrospectively. All patients were given a diuretic such as D-mannitol or acetazolamide shortly before surgery, with retrobulbar anesthesia and a Nadbath facial nerve block...
March 2017: Cornea
Jie Huang, Zhongge Ni, Philip Finch
OBJECTIVES: Varicella zoster virus reactivation can cause permanent histological changes in the central and peripheral nervous system. Neural inflammatory changes or damage to the dorsal root ganglia sensory nerve fibers during reactivation can lead to postherpetic neuralgia (PHN). For PHN of the first division of the fifth cranial nerve (ophthalmic division of the trigeminal ganglion), there is evidence of inflammatory change in the ganglion and adjacent ocular neural structures. First division trigeminal nerve PHN can prove to be difficult and sometimes even impossible to manage despite the use of a wide range of conservative measures, including anticonvulsant and antidepressant medication...
December 20, 2016: Pain Practice: the Official Journal of World Institute of Pain
William J Ares, Daniel Tonetti, Jenny Y Yu, Edward A Monaco, John C Flickinger, L Dade Lunsford
PURPOSE: Uveal metastases are ophthalmologic tumors that have historically been treated by fractionated external beam radiation therapy or invasive brachytherapy. The need for rapid response and less invasive management options led the authors to explore the use of Gamma Knife stereotactic radiosurgery (SRS) for this common problem. DESIGN: Interventional case series. METHODS: To prevent eye movement during the procedure, all 3 patients underwent a retrobulbar anesthetic block followed by magnetic resonance imaging to detect the target...
February 2017: American Journal of Ophthalmology
Stanislao Rizzo, Andrea Giorni, Alfonso Savastano
No abstract text is available yet for this article.
November 10, 2016: JAMA Ophthalmology
Quraish Ghadiali, Larissa K Ghadiali, William M Schiff, Jeffrey G Odel
PURPOSE: To report a case series of two patients with contralateral anesthesia after retrobulbar block. METHODS: Retrospective review of two cases and review of the literature. RESULTS: Two patients of one practitioner received contralateral anesthesia after retrobulbar block for posterior segment surgery. Patient 1 suffered from transient contralateral akinesia, whereas Patient 2 experienced transient contralateral amaurosis. CONCLUSION: Posterior spread of anesthetics is a rare but potentially serious complication of retrobulbar anesthesia caused by spread of anesthetics along the optic nerve sheath...
October 5, 2016: Retinal Cases & Brief Reports
Fábio Caetano Oliveira Leme, Eduardo Toshiyuki Moro, Alexandre Alberto Fontana Ferraz
BACKGROUND AND OBJECTIVES: Peribulbar anesthesia (PBA) has emerged as a safer option compared with intraconal retrobulbar block. Still, PBA may not be considered without risk. Numerous complications have been described when performing this technique. This report aims to describe a rare case of amaurosis and contralateral paralysis while attempting to perform a PBA. CASE REPORT: Male patient, 75-year old, physical status ASA II, undergoing cataract surgery by phacoemulsification with intraocular lens implantation...
August 20, 2016: Revista Brasileira de Anestesiologia
L Ström, B Ekesten
BACKGROUND: Electrical potentials generated in the central nervous system in response to brief visual stimuli, flash visual evoked potentials (FVEPs), can be recorded non-invasively over the occipital cortex. FVEPs are used clinically in human medicine and also experimentally in a number of animal species, but the method has not yet been evaluated in the horse. The method would potentially allow the ophthalmologist and equine clinician to evaluate visual impairment caused by disorders affecting post-retinal visual pathways...
June 21, 2016: BMC Veterinary Research
Bozho Todorich, Paul Hahn
INTRODUCTION: We aim to describe a mechanism of vision loss following vitrectomy surgery with retrobulbar block (RBB) associated with severe vascular stasis of the optic nerve and macula in order to improve safety of local anesthesia for ophthalmic surgery. CASE PRESENTATION: We report three cases of patients who underwent pars plana vitrectomy (PPV) with retrobulbar anesthesia with no retrobulbar hemorrhage or elevated intraocular pressure (IOP). At the beginning, in each case, hypoperfusion of optic nerve and macula was noted...
2016: International Medical Case Reports Journal
Ying Xiang, Weidi Ye, Na Sun, Xiuming Jin
PURPOSE: To evaluate the analgesic and sedative effectiveness of dezocine and midazolam in vitrectomy. METHODS: One hundred and sixty patients undergoing vitrectomy were randomized into four groups. The control group was given local anesthetic in retrobulbar nerve block only, while the other three groups received a single dose of 0.1 mg/kg dezocine or/and 0.05 mg/kg midazolam (groups D, M, DM), respectively, at 10 min before retrobulbar block. Mean arterial pressure (MAP), heart rate (HR), and oxygen saturation (SpO2) were recorded prior to local anesthesia (Tp), at the start of surgery (T0), 5, 15, 30 min during (T1-T3), and at the end of surgery (T4)...
May 9, 2016: Current Eye Research
Claire M Loughran, Anthea L Raisis, Griet Haitjema, Zigrida Chester
OBJECTIVE: To describe the clinical findings and management of a case of retrobulbar hematoma formation secondary to performance of a maxillary nerve block in a dog. CASE SUMMARY: An 11-year-old dog was presented for a routine dental procedure including dental extraction to be performed under general anesthesia. After premedication with intramuscular methadone, anesthesia was induced with intravenous alfaxalone until depth of anesthesia was sufficient to allow orotracheal intubation...
November 2016: Journal of Veterinary Emergency and Critical Care
J Gutiérrez, C Simeone, F Gulland, S Johnson
Eye lesions are commonly observed in pinnipeds. Clinical assessment is challenging because animals are often blepharospastic and under inhalant anesthesia the globe rotates ventrally, making observation difficult. Retrobulbar and auriculopalpebral nerve block techniques have been developed in other species to alleviate these difficulties and allow for a more thorough ophthalmic exam. Ocular nerve block techniques were developed for California sea lions (CSLs) (Zalophus californianus) using lidocaine hydrochloride 2%...
March 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
Bailin Jiang, Lan Yao, Yi Feng, Zuoben Huang
OBJECTIVE: To investigate the efficacy of pressure support ventilation (PSV) general anesthesia in infants and premature patients undergoing ophthalmologic surgeries. METHODS: A total of forty-two infants undergoing vitreoretinal surgeries in Peking university people's hospital from Dec. 2014 to Jul. 2015 were enrolled in the study, whose post-conceptual age (PCA, duration from the mother's last menstrual period to the date surgery was performed) were 38-92 weeks...
September 22, 2015: Zhonghua Yi Xue za Zhi [Chinese medical journal]
Tatiana Vaz Horta Xavier, Thiago Robis de Oliveira, Tereza Cristina Bandeira Silva Mendes
BACKGROUND AND OBJECTIVES: management of pain in painful blind eyes is still a challenge. Corticosteroids and hypotensive agents, as well as evisceration and enucleation, are some of the strategies employed so far that are not always effective and, depending on the strategy, cause a deep emotional shock to the patient. Given these issues, the aim of this case report is to demonstrate a new and viable option for the management of such pain by treating the painful blind eye with the stellate ganglion block technique, a procedure that has never been described in the literature for this purpose...
January 2016: Brazilian Journal of Anesthesiology
Irene Huebert, Norbert Heinicke, Daniel Kook, Kim A Boost, Christina V Miller, Wolfgang J Mayer, Christos Haritoglou, Anselm Kampik, Arnd Gandorfer, Christoph Hintschich, Armin Wolf
PURPOSE: To evaluate the prevalence of dual platelet inhibition in cases of severe retrobulbar hemorrhage following retrobulbar and peribulbar anesthesia. SETTING: Department of Ophthalmology, Ludwig-Maximilans Universität, München, Germany. DESIGN: Retrospective study. METHODS: Two groups of patients were screened retrospectively over a 5-year period for the inclusion criterion of severe retrobulbar hematoma after retrobulbar or parabulbar injection...
October 2015: Journal of Cataract and Refractive Surgery
Haroldo Maciel Carneiro, Kim Ir Sem Santos Teixeira, Marcos Pereira de Ávila, Roberto Murillo Limongi, Leopoldo Magacho
BACKGROUND AND OBJECTIVES: To compare the needle path during retrobulbar ophthalmic block with that during peribulbar ophthalmic block, its relation with anesthetic spread, and the quality of the anesthesia. METHODS: This is a prospective comparative study in selected candidates of ophthalmic blocks for phacoemulsification. The procedure used a 22-gauge 1 needle in a single lateral inferior transcutaneous puncture with 5 mL of anesthetic solution with radiological contrast...
January 2016: Regional Anesthesia and Pain Medicine
Weidi Ye, Zhiyong Hu, Xiuming Jin, Pei Wang
BACKGROUND: Dexmedetomidine (DEX) can prolong the duration of local anesthetics, but the use of retrobulbar DEX has not been fully elucidated. This study was designed to determine the effects of adding DEX to lidocaine-bupivacaine for retrobulbar block in orbital ball implants after enucleation surgery. MATERIALS AND METHODS: A total of 200 patients of both sexes aged 30-60 years of American Society of Anesthesiologists I and II, scheduled for orbital ball implants after enucleation surgery, were enrolled for the study...
September 2015: Indian Journal of Ophthalmology
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