1434
CONCLUSIONS: Intravitreal injection of triamcinolone acetonide may be an additional tool in the treatment of therapy-resistant cystoid macular edema after penetrating keratoplasty.
 potential therapeutic event: treatment 
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: adverse event, potential therapeutic event 
Text: {0} 
Answer:
 potential therapeutic event: treatment 