24-Month Efficacy of Viscodilation of Schlemm’s Canal and the Distal Outflow System with iTrack Ab-Interno Canaloplasty for the Treatment of Primary Open-Angle Glaucoma
Mark J Gallardo El Paso Eye Surgeons, PA, El Paso, TX, USACorrespondence: Mark J GallardoEl Paso Eye Surgeons, PA, 1201 N Mesa St, Ste G, El Paso, TX, 79902, USATel +1 915 542 0279Email gallardomark@hotmail.comPurpose: This study aimed to evaluate the 24-month efficacy of viscodilation of Schlemm&am...
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Dove Medical Press
2021
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oai:doaj.org-article:a124e12162424168b55ad0099d9fae682021-12-02T14:27:57Z24-Month Efficacy of Viscodilation of Schlemm’s Canal and the Distal Outflow System with iTrack Ab-Interno Canaloplasty for the Treatment of Primary Open-Angle Glaucoma1177-5483https://doaj.org/article/a124e12162424168b55ad0099d9fae682021-04-01T00:00:00Zhttps://www.dovepress.com/24-month-efficacy-of-viscodilation-of-schlemmrsquos-canal-and-the-dist-peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483Mark J Gallardo El Paso Eye Surgeons, PA, El Paso, TX, USACorrespondence: Mark J GallardoEl Paso Eye Surgeons, PA, 1201 N Mesa St, Ste G, El Paso, TX, 79902, USATel +1 915 542 0279Email gallardomark@hotmail.comPurpose: This study aimed to evaluate the 24-month efficacy of viscodilation of Schlemm’s canal and the distal outflow system with iTrack ab-interno canaloplasty in reducing intraocular pressure (IOP) and antiglaucoma medication use in patients with primary open-angle glaucoma (POAG).Patients and Methods: This retrospective, comparative, and consecutive case series assessed the 24-month outcomes of iTrack as a standalone procedure (iTrack-alone) or in conjunction with cataract surgery (iTrack+phaco), in cases of mild, moderate or severe POAG. Data were collected at baseline and the 12- and 24-month follow-up visits.Results: The study included 53 patients (60 eyes) with a mean age of 73.6± 9 years. For all eyes, a significant reduction in mean IOP was seen at 12 and 24 months, reducing from 20± 4.9 mmHg at baseline to 13.6± 1.9 mmHg and 13.5± 2.6 mmHg, respectively (P< 0.001). The reduction in medications was also significant, reducing to 1.12± 1.09 and 1.7± 1.29 medications at 12 months and 24 months, respectively, from a baseline of 2.77± 0.91 (P< 0.001). Similar results were achieved whether iTrack was performed as a standalone procedure, or in conjunction with cataract surgery. While the iTrack-alone group started with a higher IOP at baseline, both groups experienced similar and stable IOP reduction of more than 30% from baseline. The reduction in medication use was also significant in both groups, decreasing from 3± 0.7 for iTrack-alone and 2.5± 1.1 for iTrack+phaco at baseline to 2.1± 1.3 and 1.3± 1.2 at 24 months, respectively (P< 0.001). The 24-month efficacy outcomes were similar in cases of mild–moderate versus severe glaucoma. No serious adverse events were recorded.Conclusion: Twenty-four-month follow-up data demonstrate that iTrack ab-interno canaloplasty can effectively reduce IOP and medication dependence, with a good safety profile. These results also demonstrate that iTrack can be effectively performed as a standalone procedure or in combination with cataract surgery, and in all grades of glaucoma severity.Keywords: MIGS, canaloplasty, viscodilation, intraocular pressure, glaucoma medication, iTrackGallardo MJDove Medical Pressarticlemigscanaloplastyviscodilationintraocular pressureglaucoma medicationitrackOphthalmologyRE1-994ENClinical Ophthalmology, Vol Volume 15, Pp 1591-1599 (2021) |
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migs canaloplasty viscodilation intraocular pressure glaucoma medication itrack Ophthalmology RE1-994 |
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migs canaloplasty viscodilation intraocular pressure glaucoma medication itrack Ophthalmology RE1-994 Gallardo MJ 24-Month Efficacy of Viscodilation of Schlemm’s Canal and the Distal Outflow System with iTrack Ab-Interno Canaloplasty for the Treatment of Primary Open-Angle Glaucoma |
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Mark J Gallardo El Paso Eye Surgeons, PA, El Paso, TX, USACorrespondence: Mark J GallardoEl Paso Eye Surgeons, PA, 1201 N Mesa St, Ste G, El Paso, TX, 79902, USATel +1 915 542 0279Email gallardomark@hotmail.comPurpose: This study aimed to evaluate the 24-month efficacy of viscodilation of Schlemm’s canal and the distal outflow system with iTrack ab-interno canaloplasty in reducing intraocular pressure (IOP) and antiglaucoma medication use in patients with primary open-angle glaucoma (POAG).Patients and Methods: This retrospective, comparative, and consecutive case series assessed the 24-month outcomes of iTrack as a standalone procedure (iTrack-alone) or in conjunction with cataract surgery (iTrack+phaco), in cases of mild, moderate or severe POAG. Data were collected at baseline and the 12- and 24-month follow-up visits.Results: The study included 53 patients (60 eyes) with a mean age of 73.6± 9 years. For all eyes, a significant reduction in mean IOP was seen at 12 and 24 months, reducing from 20± 4.9 mmHg at baseline to 13.6± 1.9 mmHg and 13.5± 2.6 mmHg, respectively (P< 0.001). The reduction in medications was also significant, reducing to 1.12± 1.09 and 1.7± 1.29 medications at 12 months and 24 months, respectively, from a baseline of 2.77± 0.91 (P< 0.001). Similar results were achieved whether iTrack was performed as a standalone procedure, or in conjunction with cataract surgery. While the iTrack-alone group started with a higher IOP at baseline, both groups experienced similar and stable IOP reduction of more than 30% from baseline. The reduction in medication use was also significant in both groups, decreasing from 3± 0.7 for iTrack-alone and 2.5± 1.1 for iTrack+phaco at baseline to 2.1± 1.3 and 1.3± 1.2 at 24 months, respectively (P< 0.001). The 24-month efficacy outcomes were similar in cases of mild–moderate versus severe glaucoma. No serious adverse events were recorded.Conclusion: Twenty-four-month follow-up data demonstrate that iTrack ab-interno canaloplasty can effectively reduce IOP and medication dependence, with a good safety profile. These results also demonstrate that iTrack can be effectively performed as a standalone procedure or in combination with cataract surgery, and in all grades of glaucoma severity.Keywords: MIGS, canaloplasty, viscodilation, intraocular pressure, glaucoma medication, iTrack |
| format |
article |
| author |
Gallardo MJ |
| author_facet |
Gallardo MJ |
| author_sort |
Gallardo MJ |
| title |
24-Month Efficacy of Viscodilation of Schlemm’s Canal and the Distal Outflow System with iTrack Ab-Interno Canaloplasty for the Treatment of Primary Open-Angle Glaucoma |
| title_short |
24-Month Efficacy of Viscodilation of Schlemm’s Canal and the Distal Outflow System with iTrack Ab-Interno Canaloplasty for the Treatment of Primary Open-Angle Glaucoma |
| title_full |
24-Month Efficacy of Viscodilation of Schlemm’s Canal and the Distal Outflow System with iTrack Ab-Interno Canaloplasty for the Treatment of Primary Open-Angle Glaucoma |
| title_fullStr |
24-Month Efficacy of Viscodilation of Schlemm’s Canal and the Distal Outflow System with iTrack Ab-Interno Canaloplasty for the Treatment of Primary Open-Angle Glaucoma |
| title_full_unstemmed |
24-Month Efficacy of Viscodilation of Schlemm’s Canal and the Distal Outflow System with iTrack Ab-Interno Canaloplasty for the Treatment of Primary Open-Angle Glaucoma |
| title_sort |
24-month efficacy of viscodilation of schlemm’s canal and the distal outflow system with itrack ab-interno canaloplasty for the treatment of primary open-angle glaucoma |
| publisher |
Dove Medical Press |
| publishDate |
2021 |
| url |
https://doaj.org/article/a124e12162424168b55ad0099d9fae68 |
| work_keys_str_mv |
AT gallardomj 24monthefficacyofviscodilationofschlemmrsquoscanalandthedistaloutflowsystemwithitrackabinternocanaloplastyforthetreatmentofprimaryopenangleglaucoma |
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