Abstract
The left distal trans-radial approach is not only more convenient for the operator than the conventional left forearm radial approach, it is also more comfortable for right-hand patients during the peri-procedural period. Comparing with conventional approach, it has lower bleeding risk, less pain and lower risk of radial artery occlusion. The aim of this study was to determine the feasibility and the safety of left distal trans-radial approach for coronary angiogram and percutaneous coronary intervention in Hong Kong Chinese who had smaller body built and therefore smaller radial arterial size. In this single-center prospective study, 72 patients undergoing elective coronary angiography and/or percutaneous coronary intervention were recruited from August to October 2018. All right-handed patients aged 18 or above undergoing elective procedures during the period were recruited. Exclusion criteria were non-palpable radial arteries, pregnancies, incapability to consent, abnormal Allen's test, and emergency procedures. Sixty patients (42 males, age ranging from 45 to 86 years old) were recruited and underwent the procedures via left distal radial approach. The measurements during access establishment, the procedure details, complications, patients' satisfaction, and arterial occlusion rate were studied. The procedures with left distal radial approach were successful in 51 patients (85%). Crossover rate to conventional right radial approach was 15% (nine patients). Among successful cases, the mean patients' satisfaction was 8.32/10 and the mean pain score was 1.6/10. Post-procedural radial artery occlusion was not encountered. Left distal radial approach is a feasible alternative for patients undergoing coronary angiography and/or percutaneous coronary intervention in Hong Kong Chinese patients. It provides good comfortability with minimal pain in right-handed patients. The risk of radial artery occlusion is minimal.
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