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Evaluation of the diameter of the distal radial artery at the anatomical snuff box using ultrasound in Japanese patients

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Abstract

Catheter angioplasty or angiography via the distal access point of the radial artery (dRA), located at the anatomical snuff box, is a less invasive strategy for coronary intervention attracting considerable attention. Determining the diameter of the dRA is necessary to minimize the risk of artery occlusion and safely perform catheter intervention. This was a retrospective observational study including patients who underwent coronary angiography or coronary intervention at Aomori Kyoritsu Hospital, Aomori, Japan, between February 2018 and August 2018. The diameter of the dRA and the conventional access point of the radial artery (cRA) at the wrist of the patients were measured using ultrasound prior to angiography or interventional procedure. A total of 120 patients were analyzed. In male patients, the diameters of the cRA and dRA were 2.62 ± 0.60 mm and 2.04 ± 0.43 mm, respectively. In females, these diameters were 2.44 ± 0.51 mm and 1.96 ± 0.44 mm, respectively. Overall, the dRA was statistically significantly smaller than the cRA. However, variations were observed, with eight patients (6.7%) having a larger dRA than cRA. The diameter of the dRA indicated only that of the cRA. A multivariate analysis did not reveal factors associated with vessel diameter. The size and anatomy of the dRA varied considerably. Thus, it is difficult to predict the actual diameter of the artery. Customized selection of the size of the sheath and site of intervention is essential for each patient to safely perform ultrasound examination prior to cannulation.

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Acknowledgements

The authors thank the members of the cardiac catheterization laboratory and the ultrasound examination room.

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Authors and Affiliations

  1. Department of Cardiology and Internal Medicine, Aomori Kyoritsu Hospital, 2-1-10 Higashi-Ohno, Aomori, 030−0847, Aomori, Japan

    Takayuki Naito, Takayuki Sawaoka, Kota Sasaki & Kazutaka Iida

  2. Department of Clinical Laboratories, Aomori Kyoritsu Hospital, Aomori, Japan

    Sachiko Sakuraba, Keiko Yokohama, Haruna Sato, Maki Soma & Emiko Okamura

  3. Department of Cardiology, Kitakyushu Municipal Yahata City Hospital, Kitakyushu, Japan

    Takashi Harada

  4. Department of Cardiology, Tokai University Hachioji Hospital, Hachioji, Japan

    Fuminobu Yoshimachi

Authors
  1. Takayuki Naito
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  2. Takayuki Sawaoka
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  3. Kota Sasaki
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  4. Kazutaka Iida
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  5. Sachiko Sakuraba
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  6. Keiko Yokohama
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  7. Haruna Sato
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  8. Maki Soma
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  9. Emiko Okamura
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  10. Takashi Harada
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  11. Fuminobu Yoshimachi
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Corresponding author

Correspondence to Takayuki Naito.

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The authors declare that they have no conflict of interest.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study protocol was reviewed and approved by the ethics committee of Aomori Kyoritsu Hospital.

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Naito, T., Sawaoka, T., Sasaki, K. et al. Evaluation of the diameter of the distal radial artery at the anatomical snuff box using ultrasound in Japanese patients. Cardiovasc Interv and Ther 34, 312–316 (2019). https://doi.org/10.1007/s12928-018-00567-5

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  • DOI: https://doi.org/10.1007/s12928-018-00567-5

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