Superior subconjunctival anesthesia versus retrobulbar anesthesia for manual small-incision cataract surgery in a residency training program: a randomized controlled trial

Pipat KongsapDepartment of Ophthalmology, Prapokklao Hospital, Chanthaburi, Thailand; Faculty of Medicine, Chulalongkorn University, Bangkok, ThailandPurpose: To evaluate the effectiveness of subconjunctival anesthesia as compared to retrobulbar anesthesia for pain control during manual small-incisi...

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Autor principal:	Kongsap P
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2012
Materias:	Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/298b563d6c9c45e8994818eccbb2c48d
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spelling	oai:doaj.org-article:298b563d6c9c45e8994818eccbb2c48d2021-12-02T00:32:36ZSuperior subconjunctival anesthesia versus retrobulbar anesthesia for manual small-incision cataract surgery in a residency training program: a randomized controlled trial1177-54671177-5483https://doaj.org/article/298b563d6c9c45e8994818eccbb2c48d2012-11-01T00:00:00Zhttp://www.dovepress.com/superior-subconjunctival-anesthesia-versus-retrobulbar-anesthesia-for--a11647https://doaj.org/toc/1177-5467https://doaj.org/toc/1177-5483Pipat KongsapDepartment of Ophthalmology, Prapokklao Hospital, Chanthaburi, Thailand; Faculty of Medicine, Chulalongkorn University, Bangkok, ThailandPurpose: To evaluate the effectiveness of subconjunctival anesthesia as compared to retrobulbar anesthesia for pain control during manual small-incision cataract surgery (MSICS) performed by third-year residents.Design: A randomized, controlled trial.Patients and methods: A total of 150 patients undergoing routine cataract surgery were randomly assigned to receive either subconjunctival anesthesia (group 1, n = 75) or retrobulbar anesthesia (group 2, n = 75). Third-year residents performed MSICS using the modified Blumenthal technique. Subconjunctival anesthesia was administered by injecting 2% xylocaine with adrenalin into the superior conjunctiva, and retrobulbar anesthesia by injecting 2 mL of 2% xylocaine with adrenalin into the retrobulbar space. We studied the following variables: intraoperative pain score rated on a 100-point visual analog scale (VAS), operative time, and injection and operative complications.Results: A mean age of 69 vs 70 years, an operative time of 47.1 (SD, 9.9) min vs 47.7 (10.9) min, and a median (interquartile range) pain score of 40 (range, 20&ndash;70) vs 40 (range, 20&ndash;50) were observed in the subconjunctival and the retrobulbar groups, respectively. The injection complication of subconjunctival hemorrhage was significantly higher in the subconjunctival group (25.3%) compared to the retrobulbar group (1.3%). The operative complication rate between groups was not different (P &gt; 0.05).Conclusion: Both, superior subconjunctival anesthesia and retrobulbar anesthesia were effective during MSICS when used in a residency training program.Keywords: subconjunctival anesthesia, retrobulbar anesthesia, cataract surgery, small-incision cataract surgery, visual analog scale, pain scoreKongsap PDove Medical PressarticleOphthalmologyRE1-994ENClinical Ophthalmology, Vol 2012, Iss default, Pp 1981-1986 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Ophthalmology RE1-994
spellingShingle	Ophthalmology RE1-994 Kongsap P Superior subconjunctival anesthesia versus retrobulbar anesthesia for manual small-incision cataract surgery in a residency training program: a randomized controlled trial
description	Pipat KongsapDepartment of Ophthalmology, Prapokklao Hospital, Chanthaburi, Thailand; Faculty of Medicine, Chulalongkorn University, Bangkok, ThailandPurpose: To evaluate the effectiveness of subconjunctival anesthesia as compared to retrobulbar anesthesia for pain control during manual small-incision cataract surgery (MSICS) performed by third-year residents.Design: A randomized, controlled trial.Patients and methods: A total of 150 patients undergoing routine cataract surgery were randomly assigned to receive either subconjunctival anesthesia (group 1, n = 75) or retrobulbar anesthesia (group 2, n = 75). Third-year residents performed MSICS using the modified Blumenthal technique. Subconjunctival anesthesia was administered by injecting 2% xylocaine with adrenalin into the superior conjunctiva, and retrobulbar anesthesia by injecting 2 mL of 2% xylocaine with adrenalin into the retrobulbar space. We studied the following variables: intraoperative pain score rated on a 100-point visual analog scale (VAS), operative time, and injection and operative complications.Results: A mean age of 69 vs 70 years, an operative time of 47.1 (SD, 9.9) min vs 47.7 (10.9) min, and a median (interquartile range) pain score of 40 (range, 20&ndash;70) vs 40 (range, 20&ndash;50) were observed in the subconjunctival and the retrobulbar groups, respectively. The injection complication of subconjunctival hemorrhage was significantly higher in the subconjunctival group (25.3%) compared to the retrobulbar group (1.3%). The operative complication rate between groups was not different (P &gt; 0.05).Conclusion: Both, superior subconjunctival anesthesia and retrobulbar anesthesia were effective during MSICS when used in a residency training program.Keywords: subconjunctival anesthesia, retrobulbar anesthesia, cataract surgery, small-incision cataract surgery, visual analog scale, pain score
format	article
author	Kongsap P
author_facet	Kongsap P
author_sort	Kongsap P
title	Superior subconjunctival anesthesia versus retrobulbar anesthesia for manual small-incision cataract surgery in a residency training program: a randomized controlled trial
title_short	Superior subconjunctival anesthesia versus retrobulbar anesthesia for manual small-incision cataract surgery in a residency training program: a randomized controlled trial
title_full	Superior subconjunctival anesthesia versus retrobulbar anesthesia for manual small-incision cataract surgery in a residency training program: a randomized controlled trial
title_fullStr	Superior subconjunctival anesthesia versus retrobulbar anesthesia for manual small-incision cataract surgery in a residency training program: a randomized controlled trial
title_full_unstemmed	Superior subconjunctival anesthesia versus retrobulbar anesthesia for manual small-incision cataract surgery in a residency training program: a randomized controlled trial
title_sort	superior subconjunctival anesthesia versus retrobulbar anesthesia for manual small-incision cataract surgery in a residency training program: a randomized controlled trial
publisher	Dove Medical Press
publishDate	2012
url	https://doaj.org/article/298b563d6c9c45e8994818eccbb2c48d
work_keys_str_mv	AT kongsapp superiorsubconjunctivalanesthesiaversusretrobulbaranesthesiaformanualsmallincisioncataractsurgeryinaresidencytrainingprogramarandomizedcontrolledtrial
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Superior subconjunctival anesthesia versus retrobulbar anesthesia for manual small-incision cataract surgery in a residency training program: a randomized controlled trial

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