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. 2018 Jun;10(1):60-64.

Effectiveness of Topical Lidocaine-Prilocaine Cream for Pain Control During Femoral Artery Catheterization in Adult Patients: A Prospective Study

Adnan I Qureshi  1 , Muhammad A Saleem  1   2 , Nishath Naseem  1 , Emrah Aytac  1 , Cetin Kursad Akpinar  1 , Shawn S Wallery  1
Affiliations

Effectiveness of Topical Lidocaine-Prilocaine Cream for Pain Control During Femoral Artery Catheterization in Adult Patients: A Prospective Study

Adnan I Qureshi et al. J Vasc Interv Neurol. 2018 Jun.

Abstract

Objective: To test the effectiveness of topical EMLA cream (lidocaine 2.5% and prilocaine 2.5%) for pain control during femoral artery catheterization for neuro-endovascular procedures in adult patients.

Methods: The body habitus overlying the femoral arterial pulsation was graded as: (1) pubic symphysis and iliac crest bone protuberances visualized; (2) Pubic Symphysis and Iliac Crest bone protuberances not seen but easily palpable; (3) Pubic Symphysis and Iliac Crest bone protuberances palpable with considerable difficulty; and (4) abdominal layers fold over the femoral region. The severity of pain at femoral artery catheterization was classified using a numeric rating scale score ranging from 0 (no pain) to 10 (worst pain). The primary endpoints were the proportion of patients with excellent (score of ≤1) and failed pain control (score of ≥8).

Results: The mean (±SD) and median numeric rating scale scores were 2.4 ± 2.7 and 1, respectively, in 186 patients included. The proportion of patients with excellent pain control was 49.4% [95% confidence interval (CI) 42.1%-56.7%] and failed pain control was 6.9% (95% CI 4.1%-11.6%). The body habitus was graded as 1 (n = 31), 2 (n = 61), 3 (n = 48), and 4 (n = 46). In multivariate analysis, grade 4 body habitus [odds ratio (OR) 1.8; 95% CI 1.3-2.9], grade 4 ease of cannulation (OR 2.1; 95% CI 1.2-2.7), and previous femoral artery catheterization (OR 2.5; 95% CI 1.8-4.2) were independent predictors of failed pain control. Grade 1 ease of cannulation (OR 1.6; 95% CI 1.2-3.1) independently predicted excellent pain control.

Conclusion: Topical EMLA cream as an adjunct to local lidocaine infiltration was associated with very low rates of failed pain control during femoral artery catheterization despite a relatively high rate of unfavorable body habitus.

Keywords: Femoral artery catheterization; analgesia; lidocaine; pain; prilocaine; topical anesthetic.

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