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Article: Ahmed glaucoma valves in refractory glaucoma: A 7-year audit

TitleAhmed glaucoma valves in refractory glaucoma: A 7-year audit
Authors
Issue Date2010
PublisherBMJ Publishing Group. The Journal's web site is located at http://bjo.bmjjournals.com/
Citation
British Journal Of Ophthalmology, 2010, v. 94 n. 9, p. 1174-1179 How to Cite?
AbstractPurpose: To present the long-term results of Ahmed glaucoma valve (AGV) implantation. Methods: Consecutive case series of 94 eyes with AGV implantation over 7 years. Temporary tube ligation with C3F8 gas fill was used in high-risk eyes (group G&L) and compared with standard implantation in both phakic (group A) and pseudophakic/aphakic eyes (group B). Success was intraocular pressure (IOP) of 6 mm Hg or greater and 21 mm Hg or less and/or IOP reduction of 20% or greater. Results: Average follow-up was 28.9±20.3 months. The mean preoperative IOP changed from 30.8±8.2 to 19.7±7.6 mm Hg and mean preoperative medications changed from 3.3±1.2 to 1.2±1.1 at the final visit. Cumulative probability of survival at 1 and 4 years was 89.1% and 72.9%. There was no statistically significant difference in success between the three groups, but complications due to postoperative hypotony (six eyes) only occurred in group B. Other complications were corneal decompensation (three eyes), tube erosion (six eyes) and aqueous misdirection (four eyes). Conclusions: AGV implantation offered good long-term IOP control with a success rate of 78.7%. The authors recommend C3F8 gas fill and temporary tube ligation in eyes at high risk of postoperative hypotony and the use of donor sclera or human pericardial patch to prevent tube erosion.
Persistent Identifierhttp://hdl.handle.net/10722/127683
ISSN
2015 Impact Factor: 3.036
2015 SCImago Journal Rankings: 1.873
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorWishart, PKen_HK
dc.contributor.authorChoudhary, Aen_HK
dc.contributor.authorWong, Den_HK
dc.date.accessioned2010-10-31T13:39:58Z-
dc.date.available2010-10-31T13:39:58Z-
dc.date.issued2010en_HK
dc.identifier.citationBritish Journal Of Ophthalmology, 2010, v. 94 n. 9, p. 1174-1179en_HK
dc.identifier.issn0007-1161en_HK
dc.identifier.urihttp://hdl.handle.net/10722/127683-
dc.description.abstractPurpose: To present the long-term results of Ahmed glaucoma valve (AGV) implantation. Methods: Consecutive case series of 94 eyes with AGV implantation over 7 years. Temporary tube ligation with C3F8 gas fill was used in high-risk eyes (group G&L) and compared with standard implantation in both phakic (group A) and pseudophakic/aphakic eyes (group B). Success was intraocular pressure (IOP) of 6 mm Hg or greater and 21 mm Hg or less and/or IOP reduction of 20% or greater. Results: Average follow-up was 28.9±20.3 months. The mean preoperative IOP changed from 30.8±8.2 to 19.7±7.6 mm Hg and mean preoperative medications changed from 3.3±1.2 to 1.2±1.1 at the final visit. Cumulative probability of survival at 1 and 4 years was 89.1% and 72.9%. There was no statistically significant difference in success between the three groups, but complications due to postoperative hypotony (six eyes) only occurred in group B. Other complications were corneal decompensation (three eyes), tube erosion (six eyes) and aqueous misdirection (four eyes). Conclusions: AGV implantation offered good long-term IOP control with a success rate of 78.7%. The authors recommend C3F8 gas fill and temporary tube ligation in eyes at high risk of postoperative hypotony and the use of donor sclera or human pericardial patch to prevent tube erosion.en_HK
dc.languageengen_HK
dc.publisherBMJ Publishing Group. The Journal's web site is located at http://bjo.bmjjournals.com/en_HK
dc.relation.ispartofBritish Journal of Ophthalmologyen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subject.meshFemale-
dc.subject.meshGlaucoma - physiopathology - surgery-
dc.subject.meshGlaucoma Drainage Implants-
dc.subject.meshIntraocular Pressure - physiology-
dc.subject.meshPostoperative Complications - etiology - physiopathology-
dc.titleAhmed glaucoma valves in refractory glaucoma: A 7-year auditen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0007-1161&volume=94&issue=9&spage=1174&epage=1179&date=2010&atitle=Ahmed+glaucoma+valves+in+refractory+glaucoma:+a+7-year+audit-
dc.identifier.emailWong, D: shdwong@hku.hken_HK
dc.identifier.authorityWong, D=rp00516en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1136/bjo.2009.165357en_HK
dc.identifier.pmid19965829-
dc.identifier.scopuseid_2-s2.0-77956584932en_HK
dc.identifier.hkuros182899en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77956584932&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume94en_HK
dc.identifier.issue9en_HK
dc.identifier.spage1174en_HK
dc.identifier.epage1179en_HK
dc.identifier.isiWOS:000282206500014-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridWishart, PK=7003960637en_HK
dc.identifier.scopusauthoridChoudhary, A=8236442500en_HK
dc.identifier.scopusauthoridWong, D=7401536078en_HK

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