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- W2022783680 abstract "The prediction of the risk of a percutaneous transluminal coronary angioplasty has either been based on coronary lesion morphology or on clinical parameters, but a combined angiographic and clinical risk assessment system has not yet been evaluated prospectively. Five experienced interventionalists categorized 7,144 patients with 10,081 stenoses (1.4 lesion/patient) for both the risk and the difficulty of the procedure. Risk categories are as follows: 1 = low risk; 2 = intermediate risk; 3 = high risk. This division was made for percutaneous transluminal coronary angioplasty planning purposes. Category 1 patients denotes those in whom surgical standby is not required; category 2 patients, surgical standby not required but available within 1 hr; category 3 patients, surgical standby required. Difficulty categories are as follows: 1 = easy lesion; 2 = moderately difficult lesion; 3 = difficult lesion. Success was defined as a reduction of the degree of stenosis to less than 50%, without acute myocardial infarction, emergency redilatation, emergency bypass grafting, or death within 1 week. The procedure was not successful in difficulty category 1 in 1.6%, in category 2 in 3.5%, and in category 3 in 9.9%. Complications occurred in risk category 1 in 3.5%, in category 2 in 5.2%, and in category 3 in 12.4%. All differences were statistically significant (P < 0.05). Experienced cardiologists can well predict the risk and success of a coronary angioplasty procedure. This helps to optimize surgical standby, although even in the lowest-risk category complications can occur. Cathet. Cardiovasc. Intervent. 46:257–262, 1999. © 1999 Wiley-Liss, Inc." @default.
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- W2022783680 date "1999-03-01" @default.
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- W2022783680 title "How good are experienced interventional cardiologists in predicting the risk and difficulty of a coronary angioplasty procedure? A prospective study to optimize surgical standby" @default.
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- W2022783680 doi "https://doi.org/10.1002/(sici)1522-726x(199903)46:3<257::aid-ccd1>3.0.co;2-9" @default.
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