Document Detail


Randomized clinical trial of two anesthetic techniques for intravitreal injections: 4% liquid lidocaine on cotton swabs versus 3.5% lidocaine gel.
MedLine Citation:
PMID:  22554019     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Objective: To compare same-day and next-day pain control and safety of two anesthetic techniques utilizing 4% liquid lidocaine applied with sterile cotton swabs versus 3.5% lidocaine gel for intravitreal injections. Main outcome measures were: discomfort during anesthetic preparation and needle penetration, 1 and 24 h after injection. Methods: Patients were randomized to alternate anesthetic method at two consecutive injections in one eye or in different eyes on the same day if requiring bilateral injections. Overall satisfaction, corneal staining, and subconjunctival hemorrhage (SCH) were compared. Results: Fifty patients were enrolled. Both methods resulted in similar mild discomfort during anesthetic preparation, 1 and 24 h later. The gel resulted in slightly higher discomfort during needle penetration (p = 0.026). Patients were satisfied with both techniques (p = 0.91), however, 52% patients preferred gel, 33% were indifferent, and 15% preferred cotton swabs (p = 0.002). There were significantly less corneal staining (p = 0.001) and SCH (p = 0.004) after the gel. Conclusion: Both techniques are equally effective and yield mild discomfort scores during the procedure and the next day. The gel method results in significantly less ocular surface irritation.
Authors:
Ninel Z Gregori; Matthew J Weiss; Raquel Goldhardt; Joyce C Schiffman; Edgardo Vega; Cherrie-Ann Mattis; Wei Shi; Linda Kelley; Vilma Hernandez; William J Feuer
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-5-3
Journal Detail:
Title:  Expert opinion on drug delivery     Volume:  -     ISSN:  1744-7593     ISO Abbreviation:  -     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-5-4     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101228421     Medline TA:  Expert Opin Drug Deliv     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Miami Veterans Affairs Medical Center , 1201 NW 16th Ave, Miami, 33125 , USA.
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