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Br J Ophthalmol 1999;83:1050-1055 doi:10.1136/bjo.83.9.1050
  • Original Article
    • Clinical science

Intravitreal dexamethasone in exogenous bacterial endophthalmitis: results of a prospective randomised study

  1. Taraprasad Dasa,
  2. Subhadra Jalalia,
  3. Vijaya K Gothwala,
  4. Savitri Sharmab,
  5. Thomas J Naduvilathc
  1. aRetina Vitreous Services, L V Prasad Eye Institute, Hyderabad, India, bD N Jhaveri Microbiology Laboratory, L V Prasad Eye Institute, Hyderabad, India, cDepartment of Biostatistics, L V Prasad Eye Institute, Hyderabad, India
  1. Taraprasad Das, MD, L V Prasad Eye Institute, Road #2, Banjara Hills, Hyderabad 500 034, India.
  • Accepted 31 May 1999

Abstract

AIM To evaluate the efficacy of intravitreal dexamethasone co-administered with intravitreal antibiotics along with vitrectomy in the management of exogenous bacterial endophthalmitis.

METHODS In a prospective randomised clinical trial, 63 patients (63 eyes) with suspected bacterial endophthalmitis (postoperative and post-traumatic) were treated with vitrectomy and intravitreal antibiotics and randomised to intravitreal dexamethasone (IOAB with = 29 eyes) and no dexamethasone (IOAB without = 34 eyes). Inflammation score (IS) and visual acuity were measured by two masked observers before surgery, and at 1, 4, and 12 weeks after surgery in both the groups.

RESULTS There was significant reduction (p <0.0001) in IS at 1, 4, and 12 weeks after the surgery in the “IOAB with” group; there was temporary but significant increase (p <0.01) in IS at 1 week in the “IOAB without” group, before decline (p <0.001) of IS at 4 and 12 weeks. The magnitude and relative percentage change in IS between the two groups were found to be significant at 1 (p <0.0001), and 4 (p <0.01) weeks, and not at 12 weeks. The visual acuity at 12 weeks was comparable in both the IOAB with and IOAB without groups.

CONCLUSION Intravitreal dexamethasone helps in early reduction of inflammation in exogenous bacterial endophthalmitis, but has no independent influence on the visual outcome. In selected patients with endophthalmitis where oral corticosteroids cannot be given for medical reasons intravitreal corticosteroids could be beneficial; in other situations they could be complementary to oral corticosteroid therapy.

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