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Background <p>The optimal inner diameter for enhancing the success rate of distal radial artery (DRA) puncture has not been documented. The aim of this study was to explore the appropriate inner diameter of DRA to increase the success rate of puncture and reduce vascular complications.</p> Methods <p>This is a retrospective study. A receiver operating characteristic (ROC) curve was plotted to predict the DRA inner diameter for puncture success. The operative efficacy and safety were compared between groups with different DRA inner diameters, grouped according to the cut-off value.</p> Results <p>A total of 670 patients were included in the study. The DRA inner diameter had a significant predictive value (AUC = 0.718) for puncture success, with a cut-off value of 1.95&#xa0;mm. The puncture success rate was significantly lower in the DRA inner diameter &lt; 2.0&#xa0;mm group than in the DRA inner diameter ≥ 2.0&#xa0;mm group (93.1% vs. 98.2%, <i>P</i> = 0.001). Twenty-five (3.7%) developed distal radial artery occlusion (dRAO) after the operation, including 15 dRAO without proximal radial artery occlusion (pRAO) and 10 dRAO with pRAO. The incidence of dRAO with pRAO was significantly greater in the DRA inner diameter &lt; 2.0&#xa0;mm subgroup than in the DRA inner diameter ≥ 2.0&#xa0;mm subgroup (2.8% vs. 0.5%, <i>P</i> = 0.041).</p> Conclusions <p>The success rate of puncture was lower in patients with DRA inner diameter &lt; 2.0&#xa0;mm, whereas the incidence of dRAO with pRAO was higher.</p> Clinical trial number <p>Not applicable.</p>

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The important role of preoperative ultrasound in the efficacy and safety of coronary intervention via distal transradial access

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年5月26日

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  • Tao Chen,
  • Lamei Li,
  • Anni Yang,
  • Xinyu Fan,
  • Ganwei Shi,
  • Feng Li,
  • Gaojun Cai

摘要

Background

The optimal inner diameter for enhancing the success rate of distal radial artery (DRA) puncture has not been documented. The aim of this study was to explore the appropriate inner diameter of DRA to increase the success rate of puncture and reduce vascular complications.

Methods

This is a retrospective study. A receiver operating characteristic (ROC) curve was plotted to predict the DRA inner diameter for puncture success. The operative efficacy and safety were compared between groups with different DRA inner diameters, grouped according to the cut-off value.

Results

A total of 670 patients were included in the study. The DRA inner diameter had a significant predictive value (AUC = 0.718) for puncture success, with a cut-off value of 1.95 mm. The puncture success rate was significantly lower in the DRA inner diameter < 2.0 mm group than in the DRA inner diameter ≥ 2.0 mm group (93.1% vs. 98.2%, P = 0.001). Twenty-five (3.7%) developed distal radial artery occlusion (dRAO) after the operation, including 15 dRAO without proximal radial artery occlusion (pRAO) and 10 dRAO with pRAO. The incidence of dRAO with pRAO was significantly greater in the DRA inner diameter < 2.0 mm subgroup than in the DRA inner diameter ≥ 2.0 mm subgroup (2.8% vs. 0.5%, P = 0.041).

Conclusions

The success rate of puncture was lower in patients with DRA inner diameter < 2.0 mm, whereas the incidence of dRAO with pRAO was higher.

Clinical trial number

Not applicable.