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Effect Of Intracameral Phenylephrine And Ketorolac 1.0%/0.3% On Intraoperative Pain And Opioid Use During Cataract Surgery

Authors Donnenfeld ED, Shojaei RD

Received 4 September 2019

Accepted for publication 23 October 2019

Published 4 November 2019 Volume 2019:13 Pages 2143—2150

DOI https://doi.org/10.2147/OPTH.S229515

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Scott Fraser


Eric D Donnenfeld,1 Ryan D Shojaei2

1Department of Ophthalmology, New York University, New York, NY, USA; 2Ophthalmic Consultants of Long Island, Westbury, NY, USA

Correspondence: Eric D Donnenfeld
OCLI, 711 Stewart Avenue, Suite 160, Garden City, NY 11530, USA
Tel +1 516 500 4200
Fax +1 516 742 0017
Email ericdonnenfeld@gmail.com

Purpose: To compare the effect of Omidria (phenylephrine and ketorolac 1.0%/0.3%) vs epinephrine on pain reduction and opioid usage during cataract surgery.
Patients and methods: Sixty patients at a single center underwent femtosecond laser (FLACS) or conventional phacoemulsification under topical lidocaine gel anesthesia and intracameral preservative-free lidocaine 1%. Eligible participants were prospectively assigned to receive either intracameral phenylephrine and ketorolac 1.0%/0.3% or intracameral epinephrine. All patients received standardized pre- and post-operative topical therapy. Intravenous (IV) fentanyl was administered for ocular discomfort in patients who complained of intraoperative pain. Outcome measures included both pain (measured by mean visual analog scale (VAS) pain scores from 0 (no pain) to 10 (extreme pain)) and the use of IV fentanyl during surgery. A composite endpoint identified “responders” as being patients who: (1) did not require fentanyl and (2) experienced no to minimal pain (VAS score ≤ 3).
Results: Forty-one patients were in the phenylephrine and ketorolac 1.0%/0.3% (study) group and 19 were in the epinephrine (control) group. Mean VAS pain scores were significantly (48.9%) lower in the study group than the control group (2.3 vs 4.5; P < 0.0001). The proportion of patients with VAS scores ≤ 3 was significantly greater in the study group (85.0%) than the control group (31.6%) (P < 0.0001). A smaller proportion of patients required intraoperative fentanyl in the study group compared to the control group (9.8% vs 42.1%; P = 0.006). For the composite endpoint, patients receiving phenylephrine and ketorolac 1.0%/0.3% were 94% less likely to require fentanyl or to have moderate-to-severe pain (pain VAS ≥ 4; OR, 0.06; 95% CI 0.02–0.24) than patients receiving epinephrine.
Conclusion: Our results suggest that the routine use of intracameral phenylephrine and ketorolac 1.0%/0.3% during cataract surgery can significantly reduce patient pain as well as the need for opioids.

Keywords: epinephrine, Omidria, ketorolac, phacoemulsification, FLACS

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