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Sub-Tenon's block

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https://www.readbyqxmd.com/read/28494560/-visual-impact-of-sub-tenon-s-anesthesia-during-surgery-for-retinal-detachment
#1
W Q Chen, G H Zhang, H J Lin, H C Huang, D S Lin, J L Zheng, D Z Zheng
Objective: To investigate the visual impact and influence factors of sub-Tenon's anesthesia in retinal detachment patients during pars plana vitrectomy (PPV) or combined phacoemulsification and PPV surgery. Methods: In this prospective case series study, 104 consecutive patients who underwent PPV or combined phacoemulsification and PPV under sub-Tenon's anesthesia between October 2012 and December 2013 were enrolled. Intraoperatively, the patients were asked whether they could see the light of the operating microscope or not at 5 minutes after sub-Tenon's anesthesia, and at the end of phacoemulsification, core vitreous removal, peripheral vitreous removal and the whole surgery, with their contralateral eyes being covered tightly and no photobleaching...
May 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28217058/sub-tenon-s-injection-versus-paracetamol-in-pediatric-strabismus-surgery
#2
A N Ibrahim, T Shabana
BACKGROUND: Emergence agitation, vomiting, and oculocardiac reflex (OCR) in children undergoing strabismus surgery under general anesthesia are common problems. The purpose of this study was to determine whether the effect of analgesia can reduce the incidence of these problems. We compared the effects of sub-Tenon's injection versus intravenous (IV) and rectal paracetamol in this surgery. METHODS: In a prospective, randomized, double-blind study, ninety patients ranging in age from 4 to 8 years scheduled for extraocular muscle surgery for strabismus were included in this study...
January 2017: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/28216715/effective-and-cost-saving-incisionless-sub-tenon-s-block
#3
Chandra M Kumar, Edwin Seet
No abstract text is available yet for this article.
January 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/27994394/comparison-of-olive-tipped-and-conventional-steven-s-cannula-for-sub-tenon-ophthalmic-anesthesia
#4
RANDOMIZED CONTROLLED TRIAL
Saeed Al-Motowa, Nauman Ahmad, Rajiv Khandekar, Abdul Zahoor
PURPOSE: To compare the efficacy of the olive tipped (OT) cannula to the conventional Steven's cannula for sub-Tenon block (STB) before cataract surgery. METHODS: This prospective, randomized, double-masked compared STB delivered in cataract surgery patients with an OT cannula or a conventional Steven's cannula (ST). Outcome variables included the akinesia score and lid movement scores at 5 and 10 min. The patient perception of pain during delivery of the STB and surgery were also compared between groups...
October 2016: Middle East African Journal of Ophthalmology
https://www.readbyqxmd.com/read/27162743/ultrasound-comparison-of-diffusion-of-local-anesthetic-solution-after-a-peribulbar-and-a-sub-tenon-s-block-a-pilot-study
#5
Emile Calenda, Marc Muraine
No abstract text is available yet for this article.
2016: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/27162452/comparison-of-peribulbar-with-posterior-sub-tenon-s-anesthesia-in-cataract-surgery-among-nigerians
#6
RANDOMIZED CONTROLLED TRIAL
Ogbonnaya N Iganga, Oluyemi Fasina, Charles O Bekibele, Benedictus G K Ajayi, Ayobade O Ogundipe
PURPOSE: To compare the akinetic and the analgesic effects of peribulbar and posterior sub-Tenon's anesthesia in patients undergoing cataract surgery. METHODS: In a hospital-based randomized comparative interventional study, patients aged 50 years and above who underwent elective surgery for uncomplicated cataract were randomized to receive either peribulbar block or posterior sub-Tenon block. Pain during injection, surgery, and after surgery was assessed using numerical reporting scale (NRS)...
April 2016: Middle East African Journal of Ophthalmology
https://www.readbyqxmd.com/read/26363691/-effectiveness-of-sub-tenon-s-block-in-pediatric-strabismus-surgery
#7
Kasim Tuzcu, Mesut Coskun, Esra Ayhan Tuzcu, Murat Karcioglu, Isil Davarci, Sedat Hakimoglu, Suzan Aydın, Selim Turhanoglu
BACKGROUND AND OBJECTIVES: Strabismus surgery is a frequently performed pediatric ocular procedure. A frequently occurring major problem in patients receiving this treatment involves the oculocardiac reflex. This reflex is associated with an increased incidence of postoperative nausea, vomiting, and pain. The aim of this study was to investigate the effects of a sub-Tenon's block on the oculocardiac reflex, pain, and postoperative nausea and vomiting. METHODS: 40 patients aged 5-16 years with American Society of Anesthesiologists status I-II undergoing elective strabismus surgery were included in this study...
September 2015: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/26323732/effectiveness-of-sub-tenon-s-block-in-pediatric-strabismus-surgery
#8
RANDOMIZED CONTROLLED TRIAL
Kasim Tuzcu, Mesut Coskun, Esra Ayhan Tuzcu, Murat Karcioglu, Isil Davarci, Sedat Hakimoglu, Suzan Aydın, Selim Turhanoglu
BACKGROUND AND OBJECTIVES: Strabismus surgery is a frequently performed pediatric ocular procedure. A frequently occurring major problem in patients receiving this treatment involves the oculocardiac reflex. This reflex is associated with an increased incidence of postoperative nausea, vomiting, and pain. The aim of this study was to investigate the effects of a sub-Tenon's block on the oculocardiac reflex, pain, and postoperative nausea and vomiting. METHODS: Forty patients aged 5-16 years with American Society of Anesthesiologists status I-II undergoing elective strabismus surgery were included in this study...
September 2015: Brazilian Journal of Anesthesiology
https://www.readbyqxmd.com/read/26316814/ophthalmic-regional-blocks-management-challenges-and-solutions
#9
REVIEW
Howard D Palte
In the past decade ophthalmic anesthesia has witnessed a major transformation. The sun has set on the landscape of ophthalmic procedures performed under general anesthesia at in-hospital settings. In its place a new dawn has ushered in the panorama of eye surgeries conducted under regional and topical anesthesia at specialty eye care centers. The impact of the burgeoning geriatric population is that an increasing number of elderly patients will present for eye surgery. In order to accommodate increased patient volumes and simultaneously satisfy administrative initiatives directed at economic frugality, administrators will seek assistance from anesthesia providers in adopting measures that enhance operating room efficiency...
2015: Local and Regional Anesthesia
https://www.readbyqxmd.com/read/26273747/the-effect-of-low-dose-dexmedetomidine-as-an-adjuvant-to-levobupivacaine-in-patients-undergoing-vitreoretinal-surgery-under-sub-tenon-s-block-anesthesia
#10
RANDOMIZED CONTROLLED TRIAL
Ashraf M Ghali, Amir M Shabana, Ashraf M El Btarny
BACKGROUND: This study evaluated the motor and sensory block durations and the postoperative analgesic effects of adding dexmedetomidine to levobupivacaine for sub-Tenon's block anesthesia in patients undergoing vitreoretinal surgery. Motor and sensory block durations were considered as a primary end point. METHODS: Sixty ASA physical status I to III patients subjected to vitreoretinal surgery under sub-Tenon's block anesthesia were randomly divided equally into 2 groups, depending on the local anesthesia solution used, to receive 4 mL of 0...
November 2015: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/26220299/effects-of-scleral-cross-linking-using-genipin-on-the-process-of-form-deprivation-myopia-in-the-guinea-pig-a-randomized-controlled-experimental-study
#11
Mengmeng Wang, Christine Carole C Corpuz
BACKGROUND: Scleral cross-linking (CXL) is a novel attempt to slow down the axial elongation process in animal eyes. As a natural CXL reagent, genipin would be also effective for the prevention of myopia process. Thus, the present study was designed to evaluate the effects of scleral cross-linking using genipin on the form-deprivation (FD) myopia process of guinea pigs. METHODS: Twenty-seven 3-week-old pigmented guinea pigs were randomly divided into three groups...
July 29, 2015: BMC Ophthalmology
https://www.readbyqxmd.com/read/25639036/-diagnostic-evaluation-of-sarcoid-choroidal-granuloma-using-high-penetration-optical-coherence-tomography
#12
Mayuri Ohtsuka, Noriyasu Hashida, Kenta Hozumi, Kohji Nishida
OBJECTIVES: We report a case of sarcoidosis that manifested as choroidal granuloma. We followed the treatment-associated changes in the granulomatous lesion by serial examinations using high-penetration optical coherence tomography (HP-OCT). CASE: A 77-year-old woman, who was referred to our clinic with granulomatous uveitis, presented initially with a yellowish-white subretinal granuloma formation surrounding the left optic disk. On presentation, diffuse keratic precipitates, anterior chamber inflammation and snowball-like vitreous opacity were observed...
December 2014: Nippon Ganka Gakkai Zasshi
https://www.readbyqxmd.com/read/25328382/challenges-for-the-cataract-surgeon-treating-people-with-dementia-a-qualitative-study-exploring-anesthetic-choices
#13
Joanna Mary Jefferis, Michael Patrick Clarke, John-Paul Taylor, Katie Rhian Brittain
BACKGROUND: In light of the growing number of people with dementia and age-related cataract, as well as changing anesthetic practices for cataract surgery, this study aimed to explore the experiences of cataract surgeons in managing patients with dementia and making anesthetic decisions. METHODS: This was a qualitative study using semistructured interviews with senior cataract surgeons from two centers in England. Fourteen surgeons were interviewed, and a thematic approach informed by grounded theory was used for the analysis...
2014: Clinical Ophthalmology
https://www.readbyqxmd.com/read/24767218/effects-of-sub-tenon-s-anaesthesia-on-ocular-hemodynamics
#14
Mesut Coşkun, Mutlu Cihan Dağlioğlu, Ramazan Davran, Nilüfer Ilhan, Ozgür Ilhan, Esra Ayhan Tuzcu, Emre Ayintap, Uğurcan Keskin, Huseyin Oksüz
OBJECTIVE: To research the effects of sub-Tenon's anaesthesia (STA) on ocular hemodynamics in patients with cataract using colour Doppler imaging (CDI). DESIGN: Prospective clinical study. PARTICIPANTS: Thirty-four eyes of 34 patients with age-related cataract. METHODS: Peak systolic velocity (PSV), end-diastolic velocity (EDV), and resistive index (RI) values of the ophthalmic artery (OA), central retinal artery, and central retinal vein were measured by CDI before and immediately after performing sub-Tenon block using 2 mL of 2% lidocaine with adrenaline (1:200 000)...
April 2014: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/24619855/sub-tenon-block-does-not-provide-superior-postoperative-analgesia-vs-intravenous-fentanyl-in-pediatric-squint-surgery
#15
RANDOMIZED CONTROLLED TRIAL
Rashmi Ramachandran, Vimi Rewari, C Chandralekha, Renu Sinha, Anjan Trikha, Pradeep Sharma
PURPOSE: We evaluated the efficacy of sub-Tenon block in decreasing perioperative pain, incidence of intraoperative oculocardiac reflex (OCR), and postoperative nausea and vomiting (PONV) in pediatric squint surgery. METHODS: A total of 67 children age 2-12 years, American Society of Anesthesiologists Physical Status 1 and 2, were randomized to receive either sub-Tenon block (ST) in the operative eye or 2 mcg/kg of intravenous fentanyl (F) for squint surgery after induction of general anesthesia in this double-blind study...
September 2014: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/23817441/chemosis-secondary-to-anterograde-episcleral-sub-tenon-spread-of-local-anesthetic-during-retrobulbar-eye-block
#16
Howard D Palte, Steven Gayer
No abstract text is available yet for this article.
October 2014: Anesthesiology
https://www.readbyqxmd.com/read/23638286/teaching-corner-regional-anaesthesia-for-ophthalmic-surgery
#17
R Tighe, P I Burgess, G Msukwa
Performing safe and effective regional anaesthesia for ophthalmic surgery is an important skill for anaesthetic and ophthalmologic practitioners. Akinetic sharp-needle blocks are generally safe but rare, sight and life threatening complications occur. Sub-Tenon's block using a blunt canula provides akinesa and is a safer alternative but serious complications have been reported. This review provides an introduction to the relevant anatomy, local anaesthetic drugs and commonly used techniques and a practical guide to their safe performance...
December 2012: Malawi Medical Journal: the Journal of Medical Association of Malawi
https://www.readbyqxmd.com/read/23245364/posterior-capsule-rupture-rate-with-akinetic-and%C3%A2-kinetic-block-anesthetic-techniques
#18
REVIEW
Richard M H Lee, Barny Foot, Tom Eke
A systematic literature search was performed to identify prospective randomized studies comparing akinetic (sub-Tenon, peribulbar, or retrobulbar) and kinetic (topical or topical and intracameral) local anesthesia for phacoemulsification surgery. Only studies that stated the rate of posterior capsule rupture or that stated without qualification that there were no intraoperative complications were included. Of the initial 3182 articles, 15 papers met the inclusion criteria. The number of eyes ranged between 26 and 282 per group (mean 95...
January 2013: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/22915900/sub-tenon-s-anesthesia-an-update
#19
Philip Guise
Sub-Tenon's block has become the most common technique of orbital regional anesthesia in many centers. It provides effective anesthesia to the orbit with a lower incidence of sight-threatening complications than sharp needle techniques. This article will discuss the relevant anatomy, finer points of sub-Tenon's block technique, and the evidence supporting its safety.
2012: Local and Regional Anesthesia
https://www.readbyqxmd.com/read/22814045/comparison-of-metal-and-flexible-sub-tenon-cannulas
#20
RANDOMIZED CONTROLLED TRIAL
Waleed Riad, Nauman Ahmad, Chandra M Kumar
PURPOSE: To compare metal posterior, flexible posterior, and flexible medium sub-Tenon cannulas for akinesia and anesthesia. SETTING: King Khaled Specialist Eye Hospital, Riyadh, Saudi Arabia. DESIGN: Prospective blind randomized comparison. METHOD: Patients having cataract surgery under sub-Tenon block received a mixture of bupivacaine and lidocaine with hyaluronidase. The patients were divided into 3 groups based on whether a metal posterior sub-Tenon cannula, flexible posterior sub-Tenon cannula, or flexible medium sub-Tenon cannula was used...
August 2012: Journal of Cataract and Refractive Surgery
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