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경요골동맥 관상동맥 조영술을 시행하는 환자에서 요골동맥 사행성의 빈도 및 예측인자
박민아 ( Min Ah Park ),박태호 ( Tae Ho Park ),최재혁 ( Jae Hyuk Choi ),박선이 ( Sun Yi Park ),이수이 ( Su Ee Lee ),임태형 ( Tae Hyung Lim ),유정남 ( Jung Nam Yoo ),차광수 ( Kwang Soo Cha ),김무현 ( Moo Hyun Kim ),김영대 ( Young Da 대한내과학회 2006 대한내과학회지 Vol.71 No.4
Background: It is well known that the presence of a tortuous radial artery, in patients undergoing transradial coronary angiography (CAG), may cause undesirable results such as access failure and arterial dissection. Thus, our aim was to investigate the prevalence and predictors of the presence of a tortuous radial artery in patients undergoing transradial CAG. Methods: We prospectively investigated the tortuosity of the radial artery in 158 consecutive patients. The tortuosity of the radial artery was determined by radial angiography. A tortuous radial artery was defined as one with a maximal angulation of more than 45 degrees. To determine the predictors of a tortuous artery, we examined clinical and intra- procedural characteristics. Results: A right radial angiography was easily performed in 154 patients (97.5%) without any complications. A tortuous radial artery was identified in 34 patients (22%). On the univariate analysis, advanced age, female gender, short stature, underweight, hypertension, and absence of progression of the mini-guide wire were significantly associated with the presence of a tortuous radial artery. Significant independent predictors of a tortuous radial artery by multivariate analysis were: advanced age, absence of progression of the mini-guide wire and hypertension. Conclusions: These data showed that the presence of a tortuous radial artery could be predicted by advanced age, absence of progression of the mini-guide wire and a history of hypertension. Thus, identification of a tortuous radial artery prior to coronary angiography may be helpful for a safe transradial CAG in patients at high risk for a tortuous radial artery.(Korean J Med 71:381-387, 2006)