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Filamentous fungal endophthalmitis: results of combination therapy with intravitreal amphotericin B and voriconazole

Authors Mithal K, Pathengay A, Bawdekar A, Jindal A, Vira D, Relhan N, Choudhury H, Gupta N, Gupta V, Koday N, Flynn Jr H

Received 5 January 2015

Accepted for publication 17 February 2015

Published 13 April 2015 Volume 2015:9 Pages 649—655


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 4

Editor who approved publication: Dr Scott Fraser

Kopal Mithal,1 Avinash Pathengay,1 Abhishek Bawdekar,1 Animesh Jindal,1 Divya Vira,2 Nidhi Relhan,3 Himadri Choudhury,1 Namrata Gupta,1 Varun Gupta,1 Nagendra K Koday,4 Harry W Flynn Jr3

1Retina and Uveitis Services, 2Cornea Services, LV Prasad Eye Institute, GMR Varalakshmi Campus, Visakhapatnam, India; 3Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, USA; 4Ocular Microbiology Service, LV Prasad Eye Institute, GMR Varalakshmi Campus, Visakhapatnam, India

Purpose: To report outcomes of exogenous fungal endophthalmitis treated with combination of intravitreal antifungal agents.
Design: Retrospective, non-randomized, interventional, consecutive case series.
Methods: Twelve eyes of twelve consecutive cases of filamentous fungal endophthalmitis were treated with a combination of intravitreal amphotericin-B and intravitreal voriconazole (AmB-Vo Regime) along with pars plana vitrectomy at a single center. Clinical characteristics, microbiology results, treatment strategy, visual, and anatomical outcomes were analyzed.
Results: Ten cases out of the twelve were postoperative endophthalmitis of which nine were part of a post cataract surgery cluster. The remaining included endophthalmitis following keratitis post pterygium excision (1) and following open globe injury (2). The most common fungus was Aspergillus terreus, which was isolated in 8/12, followed by A. flavus in 2/12 and Fusarium solani in 1/12. The presenting visual acuity ranged from light perception (LP) to counting fingers. The visual acuity at final follow-up was 20/400 or better in 7/12 eyes (58.33%) and 20/60 in 2/12 eyes (range 20/60 to LP). All eyes with corneal involvement had final visual acuity 20/400 or worse. Globe salvage was achieved in all cases.
Conclusion: Combining intravitreal amphotericin-B and voriconazole could be a novel treatment strategy in the management of endophthalmitis caused by filamentous fungus. Eyes with corneal involvement had poor visual outcome either with or without therapeutic penetrating keratoplasty.

Keywords: fungal, endophthalmitis, Aspergillus, intravitreal, voriconazole, amphotericin B

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