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Real-World Trends in Intravitreal Injection Practices among American Retina Specialists.

Rahul Chaturvedi,K. Wannamaker,P. Riviere,A. Khanani,C. Wykoff,Daniel L. Chao

Published 2019 in Ophthalmology Retina

ABSTRACT

PURPOSE To analyze practice patterns used for intravitreal injections (IVIs) by retinal specialists in the United States. DESIGN Cross-sectional online survey. PARTICIPANTS Retina specialists in the United States who responded to a web-based survey. METHODS Retinal specialists in the United States were contacted via e-mail to complete a web-based, anonymous, 24-question survey. Multivariate analysis was performed on a selected question of interest focused on choice of anesthetic used for IVI. MAIN OUTCOME MEASURES Differences in IVI practices, such as antibiotic preferences, and different odds of anesthetic use by demographic variables with 95% confidence intervals. RESULTS A total of 281 retinal specialists responded to the survey (17% response rate). Respondents' average age was 53 years, with an average of 20 years in practice. Respondents practiced in 42 states, with 90% practicing in an urban or suburban area. For anesthesia, 14% used a topical anesthetic with cotton swab compression, 27% used a subconjunctival anesthetic, and 31% used an anesthetic gel. Age, gender, geographic location, and practice setting did not seem to impact choice of anesthetic for IVI significantly. Sixty-six percent of respondents always use a lid speculum, 21% administer topical antibiotics before injection, 36% wear a mask, 73% wear gloves, and 45% always dilate the eyes before injection. Most respondents use a 30-gauge needle and inject in the inferior temporal quadrant (70%). Forty-five percent always perform bilateral injections the same day if indicated. After the injection, 14% administer post operative nonsteroidal anti-inflammatory drugs, 28% administer postoperative antibiotics, and 31% routinely check intraocular pressure after injection. CONCLUSIONS This study provided real-world trends in practices for IVI among retina specialists in the United States. In addition, age, gender, practice type, and geographic location did not influence anesthetic choice for IVI.

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