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Postoperative ultraschallbiomikroskopische Bestimmung der Haptiklage von Irisblendenlinsen bei kongenitaler und traumatischer Aniridie im Vergleich zu Gonioskopie

Identifieur interne : 008422 ( Main/Exploration ); précédent : 008421; suivant : 008423

Postoperative ultraschallbiomikroskopische Bestimmung der Haptiklage von Irisblendenlinsen bei kongenitaler und traumatischer Aniridie im Vergleich zu Gonioskopie

Auteurs : N. Schweykart [Allemagne] ; T. Reinhard [Allemagne] ; S. Engelhardt [Allemagne] ; R. Sundmacher [Allemagne]

Source :

Klinische Monatsblätter für Augenheilkunde [ 0023-2165 ] ; 1999.

RBID : Pascal:99-0362488

Descripteurs français

Pascal (Inist)
- Aniridie, Traumatisme, Oeil, Diaphragme, Chambre postérieure, Traitement, Position, Postopératoire, Technique, Ultrason, Biomicroscopie, Gonioscopie, Etude comparative, Homme.
Wicri :
- topic : Traumatisme, Homme.

English descriptors

KwdEn :
- Aniridia, Biomicroscopy, Comparative study, Diaphragm, Eye, Gonioscopy, Human, Position, Posterior chamber, Postoperative, Technique, Trauma, Treatment, Ultrasound.

Abstract

Background Ultrasound biomicroscopy (UBM) allows to determine the haptic position of posterior chamber lenses (PCL) in relation to adjacent structures. In transsclerally sutured PCLs, the comparison between intraoperatively endoscopically and postoperatively localized haptic positions via UBM showed a correspondence of only 81%. The different localisation of 19% of the examined haptic postions was explained with postoperative dislocation without any proof for this assumption. The purpose of this study therefore was the correlation of UBM results with simultaneously determined haptic positions via gonioscopy in aniridia after black diaphragm PCL implantation. Patients and methods The haptic positions of black diaphragm PCL implants in 20 patients with congenital and 13 patients with traumatic aniridia were determined via UBM (50-MHz-probe) and gonioscopy 44,4 (6-75) months postoperatively. Results 39/66 haptic positions could be localized in gonioscopy as well as in UBM. 38 haptics (97,4% ) showed the same position in both examination techniques. Determination of the haptic position through one of the two examination techniques was impossible in 27/66 haptics (11 haptics in gonioscopy, 16 haptics in UBM). Reasons for this were primarily haptic position behind iris remnants and corneal opacities in gonioscopy and scarring of the ciliary body in UBM. Conclusions The validity of UBM in localization of PCLs was confirmed gonioscopically, which also confirm s our prior assumption of postoperative displacement of IOL-haptics after transscleral suturing in about 20% of cases. Scarring of the ciliary body was the most important obstacle in the determination of PCL haptic positions in relation to adjacent structures.

Affiliations:

Allemagne

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Le document en format XML

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<sourceDesc><biblStruct><analytic><title xml:lang="GER" level="a">Postoperative ultraschallbiomikroskopische Bestimmung der Haptiklage von Irisblendenlinsen bei kongenitaler und traumatischer Aniridie im Vergleich zu Gonioskopie</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aniridia</term>
<term>Biomicroscopy</term>
<term>Comparative study</term>
<term>Diaphragm</term>
<term>Eye</term>
<term>Gonioscopy</term>
<term>Human</term>
<term>Position</term>
<term>Posterior chamber</term>
<term>Postoperative</term>
<term>Technique</term>
<term>Trauma</term>
<term>Treatment</term>
<term>Ultrasound</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Aniridie</term>
<term>Traumatisme</term>
<term>Oeil</term>
<term>Diaphragme</term>
<term>Chambre postérieure</term>
<term>Traitement</term>
<term>Position</term>
<term>Postopératoire</term>
<term>Technique</term>
<term>Ultrason</term>
<term>Biomicroscopie</term>
<term>Gonioscopie</term>
<term>Etude comparative</term>
<term>Homme</term>
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<front><div type="abstract" xml:lang="en">Background Ultrasound biomicroscopy (UBM) allows to determine the haptic position of posterior chamber lenses (PCL) in relation to adjacent structures. In transsclerally sutured PCLs, the comparison between intraoperatively endoscopically and postoperatively localized haptic positions via UBM showed a correspondence of only 81%. The different localisation of 19% of the examined haptic postions was explained with postoperative dislocation without any proof for this assumption. The purpose of this study therefore was the correlation of UBM results with simultaneously determined haptic positions via gonioscopy in aniridia after black diaphragm PCL implantation. Patients and methods The haptic positions of black diaphragm PCL implants in 20 patients with congenital and 13 patients with traumatic aniridia were determined via UBM (50-MHz-probe) and gonioscopy 44,4 (6-75) months postoperatively. Results 39/66 haptic positions could be localized in gonioscopy as well as in UBM. 38 haptics (97,4% ) showed the same position in both examination techniques. Determination of the haptic position through one of the two examination techniques was impossible in 27/66 haptics (11 haptics in gonioscopy, 16 haptics in UBM). Reasons for this were primarily haptic position behind iris remnants and corneal opacities in gonioscopy and scarring of the ciliary body in UBM. Conclusions The validity of UBM in localization of PCLs was confirmed gonioscopically, which also confirm s our prior assumption of postoperative displacement of IOL-haptics after transscleral suturing in about 20% of cases. Scarring of the ciliary body was the most important obstacle in the determination of PCL haptic positions in relation to adjacent structures.</div>
</front>
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Postoperative ultraschallbiomikroskopische Bestimmung der Haptiklage von Irisblendenlinsen bei kongenitaler und traumatischer Aniridie im Vergleich zu Gonioskopie

Postoperative ultraschallbiomikroskopische Bestimmung der Haptiklage von Irisblendenlinsen bei kongenitaler und traumatischer Aniridie im Vergleich zu Gonioskopie

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

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