A decision scheme for coronary angiography after acute myocardial infarction


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Article: article from journal or magazin.
A decision scheme for coronary angiography after acute myocardial infarction
Ross, J., Jr. , Gilpin  E. A., Madsen  E. B., Henning  H., Nicod  P., Dittrich  H., Engler  R., Rittelmeyer  J., Smith, S. C., Jr. , Viquerat  C.
0009-7322 (Print)
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Journal Article
Research Support, U.S. Gov't, P.H.S. --- Old month value: Feb
It is important to select patients in the convalescent phase of acute myocardial infarction in whom knowledge of coronary anatomy may identify those potentially suitable for intervention aimed at improving prognosis. However, differing guidelines have been proposed, and by applying some of these guidelines to our large database of patients after acute myocardial infarction, several problem areas were identified. These include lack of considering patients with resting ischemia beyond day 5 of hospitalization, management of patients with reduced ventricular function or patients not exercise tested, and the role of coronary angiography in the elderly. Based on this experience and further analysis in 1,848 patients surviving beyond day 5 of hospitalization, a modified decision scheme for coronary angiography was developed and then tested in a second population (n = 780). In the new scheme, patients over 75 years of age are considered individually. Those under 75 years of age with severe resting ischemia in the hospital at any time beyond the first 24 hours (18% mortality between day 6 and year 1), and hospital survivors with a history of previous myocardial infarction and clinical or radiographic signs of left ventricular failure in the hospital (25% 1-year mortality after discharge), are recommended for coronary angiography. Among the remaining patients, some will perform an exercise test, and those with an ischemic response or poor workload (11% 1-year mortality) are also assigned to coronary angiography. When an exercise test is not performed, a resting radionuclide left ventricular ejection fraction is recommended, and coronary angiography is considered if the value lies between 0.20 and 0.44 (12% 1-year mortality). This relatively simple scheme does not make general recommendations in the elderly, considers patients with in-hospital left ventricular failure or reduced left ventricular function or both, and approaches the problem of patients who do not perform an exercise test. This general approach would avoid early coronary angiography in patients with an average 1-year mortality risk after discharge of 3% and recommend coronary angiography in those at increased risk (average mortality rate, 16%) who make up about 55% of this population under 75 years of age.
Aged *Angiography Chest Pain/etiology/physiopathology *Coronary Angiography Coronary Disease/complications *Decision Making Humans Inpatients Myocardial Infarction/mortality/*radiography/surgery Myocardial Revascularization Rest
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25/01/2008 14:00
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20/08/2019 14:58
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