Evaluation of intraocular pressure with Healon and Healon GV in sutureless cataract surgery with foldable lens implantation
Identifieur interne : 009770 ( Main/Merge ); précédent : 009769; suivant : 009771Evaluation of intraocular pressure with Healon and Healon GV in sutureless cataract surgery with foldable lens implantation
Auteurs : Thomas Kohnen [États-Unis, Allemagne] ; Martin Von Ehr [Allemagne] ; Eberhard Schütte [Allemagne] ; Douglas D. Koch [États-Unis]Source :
- Journal of Cataract & Refractive Surgery [ 0886-3350 ] ; 1996.
Abstract
Purpose: To evaluate transient increases in intraocular pressure (IOP) after use of high-viscosity viscoelastic agents in cataract surgery.Setting: Military Hospital, Ulm, Germany.Methods: In a prospective, randomized study, we evaluated IOP following cataract surgery using two different viscoelastic substances (Healon®, Healon® GV). The viscosity of Healon GV is 10 times higher than that of Healon because of higher concentration and molecular weight. Patients having identical phacoemulsification procedures (sutureless clear corneal tunnel incision with foldable silicone lens implantation) (N = 60) and identical viscoelastic removal were assigned to groups of 15 based on viscoelastic used and removal time (20 or 40 seconds). Intraocular pressure was measured preoperatively and at 6, 24, 36, and 48 hours and 1 month postoperatively.Results: The highest mean IOP elevations in both viscoelastic groups were obtained at 24 hours postoperatively (2.9 mm Hg ± 4.3 [SD] with Healon and 3.3 ± 6.3 mm Hg with Healon GV). There were no statistically significant differences between the two viscoelastics and the two removal times during the entire follow-up period (unpaired t-test), but standard deviations were higher in the Healon GV groups at 6 and 24 hours. Two patients in the Healon groups and three in the Healon GV groups required medical treatment for IOP within the first 24 postoperative hours; however, all five patients had an IOP lower than 22 mm Hg on the second postoperative day.Conclusions: Based on postoperative IOP, both viscoelastics can be equally well removed from the anterior chamber. Incidence of high IOP using high-viscosity hyaluronic acid is minimized by the described removal technique.
Url:
DOI: 10.1016/S0886-3350(96)80224-0
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<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Evaluation of intraocular pressure with Healon and Healon GV in sutureless cataract surgery with foldable lens implantation</title><author><name sortKey="Kohnen, Thomas" sort="Kohnen, Thomas" uniqKey="Kohnen T" first="Thomas" last="Kohnen">Thomas Kohnen</name></author><author><name sortKey="Von Ehr, Martin" sort="Von Ehr, Martin" uniqKey="Von Ehr M" first="Martin" last="Von Ehr">Martin Von Ehr</name></author><author><name sortKey="Schutte, Eberhard" sort="Schutte, Eberhard" uniqKey="Schutte E" first="Eberhard" last="Schütte">Eberhard Schütte</name></author><author><name sortKey="Koch, Douglas D" sort="Koch, Douglas D" uniqKey="Koch D" first="Douglas D." last="Koch">Douglas D. Koch</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:69206EDFA24FC356151491AAA9B7B15B904788C2</idno><date when="1996" year="1996">1996</date><idno type="doi">10.1016/S0886-3350(96)80224-0</idno><idno type="url">https://api.istex.fr/document/69206EDFA24FC356151491AAA9B7B15B904788C2/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">001456</idno><idno type="wicri:Area/Istex/Curation">001456</idno><idno type="wicri:Area/Istex/Checkpoint">003F06</idno><idno type="wicri:doubleKey">0886-3350:1996:Kohnen T:evaluation:of:intraocular</idno><idno type="wicri:Area/Main/Merge">009770</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Evaluation of intraocular pressure with Healon and Healon GV in sutureless cataract surgery with foldable lens implantation</title><author><name sortKey="Kohnen, Thomas" sort="Kohnen, Thomas" uniqKey="Kohnen T" first="Thomas" last="Kohnen">Thomas Kohnen</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><placeName><region type="state">Texas</region></placeName><wicri:cityArea>From the Cullen Eye Institute, Department of Ophthalmology, Baylor College of Medicine, Houston</wicri:cityArea></affiliation><affiliation wicri:level="3"><country xml:lang="fr">Allemagne</country><wicri:regionArea>Department of Ophthalmology, Military Hospital, Ulm</wicri:regionArea><placeName><region type="land" nuts="1">Bade-Wurtemberg</region><region type="district" nuts="2">District de Tübingen</region><settlement type="city">Ulm</settlement></placeName></affiliation><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><placeName><region type="state">Texas</region></placeName><wicri:cityArea>Reprint requests to Thomas Kohnen, MD, Cullen Eye Institute, Baylor College of Medicine, 6501 Fannin, NC-200, Houston</wicri:cityArea></affiliation></author><author><name sortKey="Von Ehr, Martin" sort="Von Ehr, Martin" uniqKey="Von Ehr M" first="Martin" last="Von Ehr">Martin Von Ehr</name><affiliation wicri:level="3"><country xml:lang="fr">Allemagne</country><wicri:regionArea>Department of Ophthalmology, Military Hospital, Ulm</wicri:regionArea><placeName><region type="land" nuts="1">Bade-Wurtemberg</region><region type="district" nuts="2">District de Tübingen</region><settlement type="city">Ulm</settlement></placeName></affiliation></author><author><name sortKey="Schutte, Eberhard" sort="Schutte, Eberhard" uniqKey="Schutte E" first="Eberhard" last="Schütte">Eberhard Schütte</name><affiliation wicri:level="3"><country xml:lang="fr">Allemagne</country><wicri:regionArea>Department of Ophthalmology, Military Hospital, Ulm</wicri:regionArea><placeName><region type="land" nuts="1">Bade-Wurtemberg</region><region type="district" nuts="2">District de Tübingen</region><settlement type="city">Ulm</settlement></placeName></affiliation></author><author><name sortKey="Koch, Douglas D" sort="Koch, Douglas D" uniqKey="Koch D" first="Douglas D." last="Koch">Douglas D. Koch</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><placeName><region type="state">Texas</region></placeName><wicri:cityArea>From the Cullen Eye Institute, Department of Ophthalmology, Baylor College of Medicine, Houston</wicri:cityArea></affiliation></author></analytic><monogr></monogr><series><title level="j">Journal of Cataract & Refractive Surgery</title><title level="j" type="abbrev">JCRS</title><idno type="ISSN">0886-3350</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1996">1996</date><biblScope unit="volume">22</biblScope><biblScope unit="issue">2</biblScope><biblScope unit="page" from="227">227</biblScope><biblScope unit="page" to="237">237</biblScope></imprint><idno type="ISSN">0886-3350</idno></series><idno type="istex">69206EDFA24FC356151491AAA9B7B15B904788C2</idno><idno type="DOI">10.1016/S0886-3350(96)80224-0</idno><idno type="PII">S0886-3350(96)80224-0</idno><idno type="ArticleID">80224</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0886-3350</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Purpose: To evaluate transient increases in intraocular pressure (IOP) after use of high-viscosity viscoelastic agents in cataract surgery.Setting: Military Hospital, Ulm, Germany.Methods: In a prospective, randomized study, we evaluated IOP following cataract surgery using two different viscoelastic substances (Healon®, Healon® GV). The viscosity of Healon GV is 10 times higher than that of Healon because of higher concentration and molecular weight. Patients having identical phacoemulsification procedures (sutureless clear corneal tunnel incision with foldable silicone lens implantation) (N = 60) and identical viscoelastic removal were assigned to groups of 15 based on viscoelastic used and removal time (20 or 40 seconds). Intraocular pressure was measured preoperatively and at 6, 24, 36, and 48 hours and 1 month postoperatively.Results: The highest mean IOP elevations in both viscoelastic groups were obtained at 24 hours postoperatively (2.9 mm Hg ± 4.3 [SD] with Healon and 3.3 ± 6.3 mm Hg with Healon GV). There were no statistically significant differences between the two viscoelastics and the two removal times during the entire follow-up period (unpaired t-test), but standard deviations were higher in the Healon GV groups at 6 and 24 hours. Two patients in the Healon groups and three in the Healon GV groups required medical treatment for IOP within the first 24 postoperative hours; however, all five patients had an IOP lower than 22 mm Hg on the second postoperative day.Conclusions: Based on postoperative IOP, both viscoelastics can be equally well removed from the anterior chamber. Incidence of high IOP using high-viscosity hyaluronic acid is minimized by the described removal technique.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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