Distal radial approach: a review on achieving a high success rate.

Cardiovascular Intervention and Therapeutics
Fuminobu Yoshimachi, Yuji Ikari

Abstract

The transradial approach is the standard for percutaneous coronary intervention (PCI). Moreover, to lead to the evolution of PCI, a new approach site was developed, namely the distal radial approach (dRA). The vessel diameter of the distal radial artery is smaller than that of the forearm radial artery; hence, use of 1 Fr size or a sheath with a thinner outer diameter is recommended. Ultrasound examination before the procedure provides useful information on this matter. There are two approaches to puncture: proximal site puncture of the distal radial artery and distal site puncture. Based on anatomical characteristics, the puncture angle is large on the former and small on the latter. Although a learning curve for the dRA puncture is needed, the use of ultrasound facilitates the process. Using a hemostatic device dedicated to the dRA simplifies observation after PCI. Hemostatic devices for the conventional radial approach or simple bandage with an elastic band can be useful. Usually, less hemostasis time is needed for the dRA compared with the conventional radial approach. Studies have shown high success rates of the dRA (approximately 88-99.5%). Advantages of the dRA are patient comfort, short hemostasis time, less restraint f...Continue Reading

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Jul 20, 2021·Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia·Muhammad U ManzoorAbdulrahman Y Alturki

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