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Novel use of an adjustable single 8-0 polypropylene suture of scleral fixation without conjunctival dissection.

ABSTRACT: BACKGROUND:This report serves to describe the use of a novel adjustable single 8-0 polypropylene suture for scleral fixation without conjunctival dissection, and to describe related clinical outcomes associated with this approach. METHODS:In this study, we retrospectively reviewed 28 eyes from 27 patients that underwent scleral fixation of the intraocular lens (IOL) without conjunctival dissection using an adjustable single 8-0 polypropylene suture at the Beijing Tongren Eye Center between April 2018 and April 2019. For this surgical approach, a 23-gauge infusion cannula was set, after which two Hoffmann scleral pockets were created. Next, 8-0 polypropylene sutures were inserted into the eye guided by 10-0 polypropylene sutures of a long straight needle. The 8-0 suture was then used to fix the haptic IOs. Finally, these 8-0 polypropylene sutures were removed from the scleral pockets, and knots were tightened with the adjustable single suture. Primary outcomes included visual acuity and postoperative complication incidence. RESULTS:For this study, outcomes for 28 eyes from 27 patients (9 female, 18 male) were assessed. Patients had a mean age of 54?±?15.11?years-old and were followed for an average of 10.18?±?2.76?months postoperatively. Uncorrected visual acuity in these patients improved significantly from a preoperative value of 1.269?±?0.464 logMAR to a 3-month postoperative value of 0.409?±?0.413 logMAR (p?=?0.000). The majority of postoperative complications in these patients were temporary and self-limiting, including corneal edema (35.71%), hypotony (14.29%), elevated intraocular pressure (28.58%), and mild hyphema (7.14%). No evidence of exposure or erosion of the trimmed suture end was detected in any patients. An ultrasound biomicroscope was able to readily detect the IOL and all sutures, and IOLs were found to be well-centered without any dislocation, tilting, or subluxation upon follow-up. CONCLUSIONS:An adjustable single 8-0 polypropylene suture can reliably and effectively be used for scleral fixation without conjunctival dissection for the treatment of patients with aphakia or inadequate posterior capsule support. The novel procedure described herein may therefore be an effective means of minimizing the risk of suture-related complications in patients undergoing scleral-fixated IOL implantation. TRIAL REGISTRATION:Retrospective case series study, not applicable. NCT04476264 .

SUBMITTER: Mo B

PROVIDER: S-EPMC7382057 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature

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Novel use of an adjustable single 8-0 polypropylene suture of scleral fixation without conjunctival dissection.

Mo Bin B Li Song-Feng SF

BMC ophthalmology 20200725 1

<h4>Background</h4>This report serves to describe the use of a novel adjustable single 8-0 polypropylene suture for scleral fixation without conjunctival dissection, and to describe related clinical outcomes associated with this approach.<h4>Methods</h4>In this study, we retrospectively reviewed 28 eyes from 27 patients that underwent scleral fixation of the intraocular lens (IOL) without conjunctival dissection using an adjustable single 8-0 polypropylene suture at the Beijing Tongren Eye Cente ...[more]

PMID: 32711502

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Project description:Purpose"In-the-bag" placement of an IOL is the Holy Grail for any cataract surgeon. However, in the absence of capsular integrity, alternative surgical options to place the IOL must be sought. We aim to report the clinical outcomes and safety profile of scleral-fixated Akreos AO60 intraocular lens implantation using Gore-Tex suture, combined with pars plana vitrectomy.MethodsThis is a single-center, retrospective case series descriptive study. Electronic clinical records of all patients subjected to scleral fixation of a Bausch and Lomb Akreos AO60 IOL combined with pars plana vitrectomy, between April 1, 2017, and August 1, 2021, were reviewed. Data concerning age, sex, laterality, past ophthalmological history, pre- and postoperative best-available visual acuity, surgical indication, and intra- and postoperative complications were collected. Measured outcomes were the differences in best-available visual acuity and frequency of postoperative complications.ResultsA total of 37 eyes (20 right eyes and 17 left eyes) from 36 patients (16 females and 20 males) were included in the statistical analysis. The mean age at time of surgery was 72.0 ± 12.4 years. The mean follow-up period was 548.9 days (range 39-1564 days). Globally, the mean best-available logMAR visual acuity improved from 1.61 preoperatively (0.025 decimal equivalent) to 0.57 postoperatively (0.3 decimal equivalent), this difference being statistically significant (P < 0.001). Indications for surgery included aphakia due to complicated cataract surgery (24.3%; n = 9); subluxated IOL due to closed trauma (21.6%; n = 8); PEX-related subluxated IOL (16.2%; n = 6); non-traumatic, non-PEX-related subluxated IOL (18.9%; n = 7); subluxated crystalline lens due to closed trauma (8.1%; n = 3); aphakia due to open-globe injury (5.4%; n = 2); silicone-induced IOL opacification (2.7%; n = 1); and aphakia post-endophthalmitis (2.7%; n = 1). Postoperative complications included transient ocular hypertension (27.0%; n = 10), transient corneal edema (18.9%; n = 7), cystoid macular edema (18.9%, n = 7), self-limited hypotension (5.4%, n = 2), self-limited vitreous hemorrhage (2.7%, n = 1), central retinal vein occlusion (2.7%, n = 1), late retinal detachment (2.7%, n = 1), and Akreos IOL opacification (2.7%, n = 1). No suture-related complications were observed.ConclusionThere was a statistically significant improvement in visual acuity after scleral fixation of Akreos AO60 intraocular lens using Gore-Tex suture, with no suture-related problems recorded. This procedure seems to be a valuable alternative for posterior chamber IOL placement when secondary IOL implantation is required.

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Novel use of an adjustable single 8-0 polypropylene suture of scleral fixation without conjunctival dissection.

Publications

Novel use of an adjustable single 8-0 polypropylene suture of scleral fixation without conjunctival dissection.

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