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Korean Circ J. 2000 Apr;30(4):424-432. Korean. Original Article.
Cha KS , Kim MH , Kim JS .

BACKGROUND: Carotid artery stenosis is not infrequently associated with coronary artery disease. However, the technique performing selective carotid angiography is not established during right transradial coronary angiography. We investigated the reliability and safety of selective carotid angiography from the right transradial approach. MATERIALS AND METHODS: Following right transradial coronary angiography, selective carotid angio-graphy was performed using a 5 Fr Simmons-2 catheter in 103 patients (59+/-8 years [range, 18-80], 78 males). Ninety five (92%) patients had significant coronary artery disease. Subclavian and innominate arteries were moderately tortuous in 25 (24%) patients and aortic arch was elongated, more vertically oriented in 20 (19%). After forming a loop in ascending (n=65, 63%) or descending (n=38, 37%) aorta, the catheter was withdrawn and rotated counterclockwise to engage its tip in left carotid artery and innominate artery subsequently. After the catheter tip was adjusted at each ostia of carotid arteries, contrast material was delivered. In 63 (61%) patients, the procedures were performed on outpatient basis. RESULTS: Bilateral selective carotid angiography was successfully performed in 101 (98%) patients. In two patients with severely tortuous subclavian artery, the catheter was not engaged selectively in left carotid artery. The image quality of the angiograms performed by manual injection was determined satisfactory. Significant carotid stenosis was found in 17 (17%) patients. There were no complications, including thromboembolism and arterial dissection. CONCLUSION: Selective carotid angiography can be performed reliably and safely using a 5 Fr Simmons catheter from the right transradial approach. This technique is useful for evaluation of isolated or associated carotid artery stenosis from the right transradial approach.

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