ELECTRORETINOGRAPHIC CHANGES (ERG) AND ELECTRONIC MICROSCOPY STUDY OF THE RETINA AFTER INTRAVITREAL USE OF GANCICLOVIR

Abstract

THE ELECTRORETINOGRAPHIC CHANGES AND THE RETINAL LESIONS REVEALED BY ELECTRON MICROSCOPY WERE STUDIED IN 20 EYES OF RABBITS AFTER INTRAVITREAL INJECTION OF GANCICLOVIR IN DIFFERENT DOSES RANGING FROM 200-600 ΜG/0.1 ML. GANCICLOVIR WASCLEARLY TOXIC ON THE RETINAL IN DOSES 300-600 ΜG/0.1 ML AS IS SHOWN BY ERG CHANGES. THE PATHOLOGIC RETINAL LESIONS REVEALED BY ELECTRON MICROSCOPY WERE CHARACTERIZED BY HYDROPIC DEGENERATION AND IN PLACES DESTRUCTION OF THE CYTOPLASMSURROUNDING THE NUCLEUS OF THE PHOTORECEPTORS, SWELLING OF THE MITOCHONDRIA AND FRAGMENTATION OF THE CRYSTAL IN SEVERAL OF THEM. IT IS INTERESTING THAT GANCICLOVIR SEEMS TO BE TOXIC EVEN IN THE DOSE OF 200 ΜG/0.1 ML FOUR MONTHS AFTER ITS INTRAVITREAL DELIVERY.

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DOI
10.12681/eadd/3238
Handle URL
http://hdl.handle.net/10442/hedi/3238
ND
3238
Alternative title
ΔΙΑΤΑΡΑΧΕΣ ΤΟΥ ΗΛΕΚΤΡΟΑΜΦΙΒΛΗΣΤΡΟΕΙΔΟΓΡΑΦΗΜΑΤΟΣ ΚΑΙ ΙΣΤΟΛΟΓΙΚΗ ΜΕΛΕΤΗ ΤΟΥ ΑΜΦΙΒΛΗΣΤΡΟΕΙΔΟΥΣ ΜΕ ΤΟ ΗΛΕΚΤΡΟΝΙΚΟ ΜΙΚΡΟΣΚΟΠΙΟ ΜΕΤΑ ΕΝΔΟΥΑΛΟΕΙΔΙΚΗ ΕΓΧΥΣΗ ΤΟΥ GANCICLOVIR ΣΕ ΠΕΙΡΑΜΑΤΟΖΩΑ
Author
Παπαντώνης, Φώτης
Date
1991
Degree Grantor
National and Kapodistrian University of Athens
Committee members
ΜΟΣΧΟΣ ΜΙΧΑΗΛ
ΘΕΟΔΟΣΙΑΔΗΣ Γ.
ΜΟΣΧΟΣ Μ.
ΑΠΟΣΤΟΛΟΠΟΥΛΟΣ Μ.
ΜΠΑΛΤΑΤΖΗΣ Σ.
ΗΛΙΑΚΗΣ Ε.
Discipline
Medical and Health SciencesBasic Medicine
Keywords
GANCICLOVIR
Country
Greece
Language
Greek
Description
100 σ.
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