Experimental Approach to the Pathogenesis of Retrolental Fibroplasia VI. The Influence of the Oxygen Concentration on the Oxygen‐Induced Changes in the Mouse Eye
- 1 May 1956
- journal article
- Published by Wiley in Acta Paediatrica
- Vol. 45 (3) , 295-308
- https://doi.org/10.1111/j.1651-2227.1956.tb06874.x
Abstract
Summary: 1 The influence of the oxygen concentration on the oxygen‐induced changes of the eyes was studied in 214 newborn mice.2 A concentration of 30 per cent did not cause any histologically detectable changes. At 40 per cent an injury of the eyes could be demonstrated in relatively few cases. This occurred following both short and long exposures, covering both vasoobliterative and vasoproliferative phase of the oxygen effect. In addition an initial delay in the formation of the deep capillary net of the retina was to be found in all cases.3 From 50 per cent and above, the incidence of eye injury rapidly increases, and the margin of safety thus seems to be narrow.4 The significance of these findings with regard to retrolental fibroplasia in premature infants is discussed.L'influence de la concentration d'oxygène sur les modifications provoquées par l'oxygène sur l'œil a étéétudiée sur 214 souris venant de naître. Une concentration de 30% ne provoque aucune modification histologique décelable. A 40%, une atteinte oculaire est démontrable dans quelques cas seulement. Cette modification suit aussi bien les séjours longs ou courts en atmosphère oxygénée, l'effet néfaste étant aussi bien une vasooblitération qu'une vasoprolifération. En outre, un retard dans l'apparition du réseau capillaire profond de la rétine est observé dans tous les cas. A un taux égal ou supérieur à 50%, la fréquence de l'atteinte oculaire s'accroit rapidement, et la marge de sécurité semble bien mince lorsqu'on atteint ces chiffres. La signification de ces résultats par rapport à la fibroplasie rétrolentale du prématuré est discutée.Keywords
This publication has 8 references indexed in Scilit:
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- Experimental Approach to the Pathogenesis of Retrolental Fibroplasia*American Journal of Ophthalmology, 1955
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- Oxygen Studies in Retrolental Fibroplasia*American Journal of Ophthalmology, 1954
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- Oxygen Studies in Retrolental Fibroplasia*American Journal of Ophthalmology, 1953