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  • Title: Clinical Outcome of Amniotic Membrane Transplant in Ocular Stevens-Johnson Syndrome/Toxic Epidermal Necrolysis at a Major Burn Unit.
    Author: Mortensen XM, Shenkute NT, Zhang AY, Banna H.
    Journal: Am J Ophthalmol; 2023 Dec; 256():80-89. PubMed ID: 37598739.
    Abstract:
    PURPOSE: To analyze the clinical outcome of amniotic membrane transplantation in patients with ocular Stevens-Johnson syndrome/toxic epidermal necrolysis at a major burn unit. DESIGN: Retrospective, non-randomized interventional study. METHODS: A retrospective chart review from April 2014 to January 2022 of 43 patients (85 eyes) at a burn center who underwent amniotic membrane transplantation (AMT) for severe ocular Stevens-Johnson Syndrome (SJS), toxic epidermal necrolysis (TEN), or SJS/TEN was performed. Data regarding the clinical course and outcome were obtained. A comparison between the use of cryopreserved AMT rings (cryoAMT) and dehydrated AMT (deAMT) was also assessed. RESULTS: A total of 85 eyes in 43 patients underwent AMT for severe ocular SJS/TEN. Of the eyes, 72 received deAMT with symblepharon ring, whereas 13 received cryoAMT over the cornea surface. All patients had deAMT placed over the eyelid margins and palpebral conjunctivae and tucked into the fornices. The average best-corrected visual acuity (BCVA) on last follow-up examination was 20/33, 20/30, and 20/34 in all eyes, the cryoAMT group, and the deAMT group, respectively (no significant difference between groups). The most common suspected inciting agent was lamotrigine (17% of all cases). The average long-term complication score was 1.4, with no significant difference between the cryoAMT group (1.6) and the deAMT group (1.4, P = .5). Symblepharon formation was seen more in the cryoAMT group compared to the deAMT group (P < .05). CONCLUSION: The use of AMTs in severe ocular SJS/TEN greatly mitigates long-term complications and improves visual outcome. The retrospective nature of this study limits substantial conclusions regarding any significant difference in outcome between AMT treatment methods. Nevertheless, the use of cryopreserved AMT rings has a similar outcome profile compared to use of dehydrated AMTs with symblepharon ring. Further research is needed to evaluate optimal AMT techniques.
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