桡动脉入路并发症 术前计划 Preprocedural planning
→血管直径的测量 quantification of vessel diameter
→ 解剖变异 anatomical variations
据报告桡动脉的变异和先天性异常发生率为9-23% RA variations/anomalies reported in 9-23%
Significant higher failure rate compared to normal anatomy
Anatomical variations/anomalies
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