{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,22]],"date-time":"2026-07-22T12:34:05Z","timestamp":1784723645612,"version":"3.55.0"},"reference-count":23,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2012,8,3]],"date-time":"2012-08-03T00:00:00Z","timestamp":1343952000000},"content-version":"vor","delay-in-days":2,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Interven Cardiology"],"published-print":{"date-parts":[[2012,8]]},"abstract":"<jats:p><jats:bold>\n            <jats:italic>Objectives:<\/jats:italic>\n          <\/jats:bold> Our aim was to establish the frequency of arterial anatomic variations and its relation to coronary procedural outcome in patients undergoing a first transradial coronary procedure.<\/jats:p><jats:p><jats:bold>\n            <jats:italic>Methods:<\/jats:italic>\n          <\/jats:bold> This was a single center prospective study. A total of 1,446 consecutive patients undergoing their first transradial coronary procedure were recruited. Retrograde radial arteriography was performed to define radial artery anatomy. If the operator encountered serious problems during crossing the subclavian\u2010aortic truncus, retrograde subclavian arteriography was also performed. Patient demographics; procedural data such as: total procedural duration, the number of catheters and guidewires used, the amount of contrast media usage, dose area product (DAP), and fluoroscopy time; and vascular complications were recorded.<\/jats:p><jats:p><jats:bold>\n            <jats:italic>Results:<\/jats:italic>\n          <\/jats:bold> Anatomic variations were noted in 270 patients (18.6%), and these patients were significantly older (mean age 64.4 \u00b1 10.4 vs. 59.2 \u00b1 10.8 years, P &lt; 0.001) and more commonly female (46% vs. 33%, P &lt; 0.001) with significantly higher procedural failure rates (8.8% vs. 5.6%, P = 0.006). In addition, procedural duration (P &lt; 0.001) and fluoroscopy time (P &lt; 0.001) were statistically longer in patients with anatomic variations. Anatomic variations also had an adverse impact on the amount of contrast agent usage (63.9 \u00b1 28.3 mL vs. 59.1 \u00b1 25.3 mL, P = 0.006) and minor vascular complication rate (P = 0.007).<\/jats:p><jats:p><jats:bold>\n            <jats:italic>Conclusions:<\/jats:italic>\n          <\/jats:bold> This study indicates that anatomic variation of the arterial path has an adverse impact on transradial coronary procedural outcome. 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