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BioMed Research International
Volume 2014, Article ID 136031, 7 pages
http://dx.doi.org/10.1155/2014/136031
Research Article

Heavy Silicone Oil as a Long-Term Endotamponade Agent for Complicated Retinal Detachments

1Vitreoretinal Diseases Unit, Department of Ophthalmology, Federal University of São Paulo, Botucatu Street 816, 04023-062 São Paulo, SP, Brazil
2Brazilian Institute of Fight Against Blindness, Rua Botucatu 816, Otto Ribeiro Avenue 901, 19814-050 Assis, SP, Brazil

Received 24 January 2014; Revised 16 March 2014; Accepted 16 March 2014; Published 15 April 2014

Academic Editor: Mario R. Romano

Copyright © 2014 Juliana Prazeres et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

We retrospectively evaluated a heavy silicone oil (HSO) as a long-term intraocular endotamponade agent to treat complicated RD by inferior PVR in 25 eyes of 25 patients. Patients underwent PPV and injection of Oxane HD as an internal tamponade agent. A comparison of preoperative and postoperative BCVA at month 1, month 6, and last visit was made in the group in which HSO was removed and in the group in which HSO was not removed. Statistical calculations were performed using the Wilcoxon test. The HSO was removed from 11 patients after a mean of 26.55 ± 21.38 months. The HSO remained inside the vitreous cavity in 14 eyes due to a high chance of PVR recurrence (mean follow-up period, 11.07 ± 7.44 months). Anatomic success was achieved in 92%. The BCVA in the group, in which HSO was not removed, improved significantly during the first 6 months. Among the patients who had the oil removed, there was improvement in BCVA after 1 month. Oil emulsification was the most common adverse effect in 52% of eyes. HSO is an effective tamponade in complex rhegmatogenous and tractional RD complicated by PVR. HSO can remain in the eye for long periods with relative tolerability and safety.