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Ultrasound biomicroscopic analysis of posterior chamber intraocular lenses with transscleral sulcus suture

Identifieur interne : 007C52 ( Main/Exploration ); précédent : 007C51; suivant : 007C53

Ultrasound biomicroscopic analysis of posterior chamber intraocular lenses with transscleral sulcus suture

Auteurs : Shin-Ichi Manabe [Japon] ; Hideyasu Oh [Japon] ; Kentaro Amino [Japon] ; Naruhiko Hata [Japon] ; Ryoji Yamakawa [Japon]

Source :

RBID : ISTEX:791C29BA658BE2D7BB0E4081FAD8682E8C974A4C

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English descriptors

Abstract

Objective To investigate the postoperative problems of intraocular lenses (IOLs) with transscleral sulcus suture.Design Retrospective observational case series.Participants Forty-one subjects (43 eyes) were included.Intervention All eyes had undergone transscleral sulcus suture of IOLs. Surgeries were all performed by surgeons in our clinic using the same technique.Main outcome measures Ultrasound biomicroscopy of the suture sites, their surrounding structures, and central anterior chamber depth. Other parameters studied included visual acuity, aqueous flare, and routine ophthalmic examinations.Results Thirty-two of 86 haptics were sutured at the ciliary sulcus (CS) region and 29 at the ciliary process region, which was the space between CS and pars plicata, and 25 posterior to pars plicata. We designated the cases with at least one haptic located in the CS region as the anterior group, and the other cases as the posterior group. In the anterior group, anterior chamber depth was significantly more shallow than in the fellow eye in which IOLs were fixed in the bag (P = 0.049). There was a statistically greater incidence of IOL iris contact in the anterior group than in the posterior group (P = 0.00057). Pigment dispersion was seen in seven cases, all of which were classified as anterior group. Eyes in the posterior group had more aqueous flare than their fellow eyes (P = 0.014). Two cases, in which more than two lines of postoperative best-corrected visual acuity was lost because of macular degeneration after cystoid macular edema, showed marked elevation of aqueous flare in the sutured eyes compared with their fellow eyes. Forty-one of 86 haptics had vitreous incarceration.Conclusions This technique has many limitations: the difficulty of suturing precisely at the ciliary sulcus, IOL iris contact, pigment dispersion, high aqueous flare, and vitreous incarceration. These induce two major postoperative complications: chronic inflammation and influence on the adjacent vitreous such as vitreous incarceration. The suturing technique and instruments need to be improved to diminish such complications.

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DOI: 10.1016/S0161-6420(00)00412-7


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<term>Aged</term>
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<term>Anterior Chamber (ultrasonography)</term>
<term>Aqueous Humor (cytology)</term>
<term>Biomicroscopy</term>
<term>Ciliary Body (surgery)</term>
<term>Ciliary Body (ultrasonography)</term>
<term>Complication</term>
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<term>Iatrogenic</term>
<term>Intraocular lens</term>
<term>Lens Implantation, Intraocular (methods)</term>
<term>Lenses, Intraocular</term>
<term>Male</term>
<term>Microscopy</term>
<term>Middle Aged</term>
<term>Ocular</term>
<term>Posterior chamber</term>
<term>Postoperative</term>
<term>Postoperative Complications</term>
<term>Retrospective Studies</term>
<term>Sclera</term>
<term>Sclera (surgery)</term>
<term>Sclera (ultrasonography)</term>
<term>Suturation</term>
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<term>Visual Acuity</term>
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<term>Retrospective Studies</term>
<term>Suture Techniques</term>
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<div type="abstract" xml:lang="en">Objective To investigate the postoperative problems of intraocular lenses (IOLs) with transscleral sulcus suture.Design Retrospective observational case series.Participants Forty-one subjects (43 eyes) were included.Intervention All eyes had undergone transscleral sulcus suture of IOLs. Surgeries were all performed by surgeons in our clinic using the same technique.Main outcome measures Ultrasound biomicroscopy of the suture sites, their surrounding structures, and central anterior chamber depth. Other parameters studied included visual acuity, aqueous flare, and routine ophthalmic examinations.Results Thirty-two of 86 haptics were sutured at the ciliary sulcus (CS) region and 29 at the ciliary process region, which was the space between CS and pars plicata, and 25 posterior to pars plicata. We designated the cases with at least one haptic located in the CS region as the anterior group, and the other cases as the posterior group. In the anterior group, anterior chamber depth was significantly more shallow than in the fellow eye in which IOLs were fixed in the bag (P = 0.049). There was a statistically greater incidence of IOL iris contact in the anterior group than in the posterior group (P = 0.00057). Pigment dispersion was seen in seven cases, all of which were classified as anterior group. Eyes in the posterior group had more aqueous flare than their fellow eyes (P = 0.014). Two cases, in which more than two lines of postoperative best-corrected visual acuity was lost because of macular degeneration after cystoid macular edema, showed marked elevation of aqueous flare in the sutured eyes compared with their fellow eyes. Forty-one of 86 haptics had vitreous incarceration.Conclusions This technique has many limitations: the difficulty of suturing precisely at the ciliary sulcus, IOL iris contact, pigment dispersion, high aqueous flare, and vitreous incarceration. These induce two major postoperative complications: chronic inflammation and influence on the adjacent vitreous such as vitreous incarceration. The suturing technique and instruments need to be improved to diminish such complications.</div>
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