ArticleCardiovascular and interventional radiology2026
Peripheral Nerve Block for Carbon Dioxide Angiography in Below-the-Knee Interventions: Impact on Pain Control, Image Quality, and Procedural Efficiency.
Article in Cardiovascular and interventional radiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeTo evaluate the efficacy and safety of combined popliteal sciatic and femoral nerve blocks and their impact on image quality during carbon dioxide (CO MATERIALS AND
methodsThis retrospective study evaluated patients undergoing CO
resultsAmong 103 patients (nerve block, n=45; sedoanalgesia, n=58), VAS scores were lower in the nerve block group (0 [0-2] vs. 5 [3-8], p <0.001). Procedure duration (89.7±47.3 vs. 124.2±44.5 min), fluoroscopy time (28.6±19.9 vs. 42.0±16.8 min), fluoroscopy exposures (12.8±5.1 vs. 19.4±8.1), radiation dose (342.9 [100-1733] vs. 448.4 [130-3199] mGy), and iodinated contrast volume (4 [3-8] vs. 19 [8-40] mL) were lower in the nerve block group (all p <0.001). Patient and operator satisfaction and image quality were also improved (all p <0.001). After PSM, 29 matched pairs were analyzed; differences in VAS scores, image quality, contrast use, procedure duration, fluoroscopy time, and exposures remained significant, whereas radiation dose was comparable between groups.
conclusionCombined popliteal sciatic and femoral nerve blocks appear to be a safe and effective analgesic strategy for CO LEVEL OF EVIDENCE: Level 3.
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