Comparative analysis of corneal morphological changes after transversal and torsional phacoemulsification through 2.2 mm corneal incision

Ahmed Assaf, Maged Maher RoshdyOphthalmology Department, Ain Shams University, Cairo, EgyptPurpose: This paper compares and evaluates the corneal morphological changes occurring after cataract surgery through a 2.2 mm corneal incision. We use two platforms for comparison and evaluation, transversal...

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Autores principales:	Assaf A, Roshdy MM
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2013
Materias:	Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/259acb0e1af9407da31a980107b7c3bf
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spelling	oai:doaj.org-article:259acb0e1af9407da31a980107b7c3bf2021-12-02T00:05:35ZComparative analysis of corneal morphological changes after transversal and torsional phacoemulsification through 2.2 mm corneal incision1177-54671177-5483https://doaj.org/article/259acb0e1af9407da31a980107b7c3bf2013-01-01T00:00:00Zhttp://www.dovepress.com/comparative-analysis-of-corneal-morphological-changes-after-transversa-a11893https://doaj.org/toc/1177-5467https://doaj.org/toc/1177-5483Ahmed Assaf, Maged Maher RoshdyOphthalmology Department, Ain Shams University, Cairo, EgyptPurpose: This paper compares and evaluates the corneal morphological changes occurring after cataract surgery through a 2.2 mm corneal incision. We use two platforms for comparison and evaluation, transversal and torsional phacoemulsification.Patients and methods: This study includes 139 consecutive cataractous eyes (nuclear color 2&ndash;4, according to the Lens Opacities Classification System III [LOCSIII]) of 82 patients undergoing cataract surgery through a 2.2 mm corneal incision. Two different phacoemulsification platforms were used and assigned randomly: we used the WhiteStar Signature&reg; system with the Ellips&trade; FX transversal continuous ultrasound (US) mode for group I (mean age: 65.33 &plusmn; 6.97 years), and we used the Infiniti&reg; system with the OZil&reg; Intelligent Phaco (IP) torsional US mode for group II (mean age: 64.02 &plusmn; 7.55 years). The corneal endothelium and pachymetry were evaluated preoperatively and at 1 month postoperatively. Incision size changes were also evaluated.Results: All surgeries were uneventful. Before intraocular lens implantation, the mean incision size was 2.24 &plusmn; 0.06 mm in both groups (P = 0.75). In terms of corneal endothelial cell density, neither preoperative (I vs II: 2304.1 &plusmn; 122.5 cell/mm2 vs 2315.6 &plusmn; 83.1 cell/mm2, P = 0.80) nor postoperative (I vs II: 2264.1 &plusmn; 124.3 cell/mm2 vs 2270.3 &plusmn; 89.9 cell/mm2, P = 0.98) differences between the groups were statistically significant. The mean endothelial cell density loss was 1.7% &plusmn; 1.6% and 2.0% &plusmn; 1.4% in groups I and II, respectively. Furthermore, no significant differences between groups I and II were found preoperatively (P = 0.40) and postoperatively (P = 0.68) in central pachymetry. With surgery, the mean increase in central pachymetry was 28.1 &plusmn; 23.6 &micro;m and 24.0 &plusmn; 24.0 &micro;m in groups I and II, respectively (P = 0.1).Conclusion: Ellips&trade; FX transversal and OZil&reg; IP torsional phacoemulsification modes are safe for performing cataract surgery, inducing minimal corneal thickness and endothelial changes.Keywords: cornea, endothelium, transversal phacoemulsification, torsional phacoemulsification, Ellips&trade; FX, OZil&reg; IPAssaf ARoshdy MMDove Medical PressarticleOphthalmologyRE1-994ENClinical Ophthalmology, Vol 2013, Iss default, Pp 55-61 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	Ophthalmology RE1-994
spellingShingle	Ophthalmology RE1-994 Assaf A Roshdy MM Comparative analysis of corneal morphological changes after transversal and torsional phacoemulsification through 2.2 mm corneal incision
description	Ahmed Assaf, Maged Maher RoshdyOphthalmology Department, Ain Shams University, Cairo, EgyptPurpose: This paper compares and evaluates the corneal morphological changes occurring after cataract surgery through a 2.2 mm corneal incision. We use two platforms for comparison and evaluation, transversal and torsional phacoemulsification.Patients and methods: This study includes 139 consecutive cataractous eyes (nuclear color 2&ndash;4, according to the Lens Opacities Classification System III [LOCSIII]) of 82 patients undergoing cataract surgery through a 2.2 mm corneal incision. Two different phacoemulsification platforms were used and assigned randomly: we used the WhiteStar Signature&reg; system with the Ellips&trade; FX transversal continuous ultrasound (US) mode for group I (mean age: 65.33 &plusmn; 6.97 years), and we used the Infiniti&reg; system with the OZil&reg; Intelligent Phaco (IP) torsional US mode for group II (mean age: 64.02 &plusmn; 7.55 years). The corneal endothelium and pachymetry were evaluated preoperatively and at 1 month postoperatively. Incision size changes were also evaluated.Results: All surgeries were uneventful. Before intraocular lens implantation, the mean incision size was 2.24 &plusmn; 0.06 mm in both groups (P = 0.75). In terms of corneal endothelial cell density, neither preoperative (I vs II: 2304.1 &plusmn; 122.5 cell/mm2 vs 2315.6 &plusmn; 83.1 cell/mm2, P = 0.80) nor postoperative (I vs II: 2264.1 &plusmn; 124.3 cell/mm2 vs 2270.3 &plusmn; 89.9 cell/mm2, P = 0.98) differences between the groups were statistically significant. The mean endothelial cell density loss was 1.7% &plusmn; 1.6% and 2.0% &plusmn; 1.4% in groups I and II, respectively. Furthermore, no significant differences between groups I and II were found preoperatively (P = 0.40) and postoperatively (P = 0.68) in central pachymetry. With surgery, the mean increase in central pachymetry was 28.1 &plusmn; 23.6 &micro;m and 24.0 &plusmn; 24.0 &micro;m in groups I and II, respectively (P = 0.1).Conclusion: Ellips&trade; FX transversal and OZil&reg; IP torsional phacoemulsification modes are safe for performing cataract surgery, inducing minimal corneal thickness and endothelial changes.Keywords: cornea, endothelium, transversal phacoemulsification, torsional phacoemulsification, Ellips&trade; FX, OZil&reg; IP
format	article
author	Assaf A Roshdy MM
author_facet	Assaf A Roshdy MM
author_sort	Assaf A
title	Comparative analysis of corneal morphological changes after transversal and torsional phacoemulsification through 2.2 mm corneal incision
title_short	Comparative analysis of corneal morphological changes after transversal and torsional phacoemulsification through 2.2 mm corneal incision
title_full	Comparative analysis of corneal morphological changes after transversal and torsional phacoemulsification through 2.2 mm corneal incision
title_fullStr	Comparative analysis of corneal morphological changes after transversal and torsional phacoemulsification through 2.2 mm corneal incision
title_full_unstemmed	Comparative analysis of corneal morphological changes after transversal and torsional phacoemulsification through 2.2 mm corneal incision
title_sort	comparative analysis of corneal morphological changes after transversal and torsional phacoemulsification through 2.2 mm corneal incision
publisher	Dove Medical Press
publishDate	2013
url	https://doaj.org/article/259acb0e1af9407da31a980107b7c3bf
work_keys_str_mv	AT assafa comparativeanalysisofcornealmorphologicalchangesaftertransversalandtorsionalphacoemulsificationthrough22mmcornealincision AT roshdymm comparativeanalysisofcornealmorphologicalchangesaftertransversalandtorsionalphacoemulsificationthrough22mmcornealincision
_version_	1718403914550738944

Comparative analysis of corneal morphological changes after transversal and torsional phacoemulsification through 2.2 mm corneal incision

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