Atrial Fibrillation after Percutaneous Coronary Intervention: Predictive Importance of Clinical, Angiographic Features and P-Wave Dispersion

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Abstract

Atrial fibrillation (AF) may occur during or after percutaneous coronary interventions (PCI). The purpose of the study was to determine the clinical, angiographic and electrophysiological predictors of AF after PCI. 225 patients undergoing PCI (mean age of 65 ± 11 years) who had sinus rhythm (SR) before balloon inflation were taken to study. Of these 22 developed AF in catheterization laboratory after balloon inflation or in 24 h following PCI (AF group), 203 did not (SR group). The patients in AF group were older (67 ± 9 vs. 63 ± 8 years, p < 0.05) and their ventricular ejection fraction was lower than SR group (56 ± 5 vs. 45 ± 7%, p < 0.05). The P-wave dispersion was significantly higher in AF group than SR group (53 ± 8 vs. 29 ± 10 ms, p < 0.001). For the patients with ST elevation myocardial infarction, the time from the onset of symptoms to balloon inflation was 3.7 ± 1.7 h in SR group. It was longer in AF group (4.1 ± 1.8 h, p < 0.05). TIMI perfusion grades 2 and 3 were achieved in 23 of 27 patients in SR group, and 5 of 8 patients in AF group. Multivessel disease was documented in 93 of the patients in SR group, and 12 in AF group. Clinical reperfusion was thought to be established in 20 in SR group, and 4 in AF group. In conclusion, our results show the importance of clinical factors, angiographic results and P-wave analysis in prediction of AF following PCI.

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Most cited references 16

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A comparison of immediate angioplasty with thrombolytic therapy for acute myocardial infarction. The Primary Angioplasty in Myocardial Infarction Study Group.

D A Rothbaum, Jonathan Stone, G Timmis … (1993)

The success of thrombolytic therapy for acute myocardial infarction is limited by bleeding complications, the impossibility of reperfusing all occluded coronary arteries, recurrent myocardial ischemia, and the relatively small number of patients who are appropriate candidates for this therapy. We hypothesized that these problems could be overcome by the use of immediate percutaneous transluminal coronary angioplasty (PTCA), without previous thrombolytic therapy. At 12 clinical centers, 395 patients who presented within 12 hours of the onset of myocardial infarction were treated with intravenous heparin and aspirin and then randomly assigned to undergo immediate PTCA (without previous thrombolytic therapy, 195 patients) or to receive intravenous tissue plasminogen activator (t-PA, 200 patients) followed by conservative care. Radionuclide ventriculography was performed to assess ventricular function within 24 hours and at six weeks. Among the patients randomly assigned to PTCA, 90 percent underwent the procedure; the success rate was 97 percent, and no patient required emergency coronary-artery bypass surgery. The in-hospital mortality rates in the t-PA and PTCA groups were 6.5 and 2.6 percent, respectively (P = 0.06). In a post hoc analysis, the mortality rates in the subgroups classified as "not low risk" were 10.4 and 2.0 percent, respectively (P = 0.01). Reinfarction or death in the hospital occurred in 12.0 percent of the patients treated with t-PA and 5.1 percent of those treated with PTCA (P = 0.02). Intracranial bleeding occurred more frequently among patients who received t-PA than among those who underwent PTCA (2.0 vs. 0 percent, P = 0.05). The mean (+/- SD) ejection fractions at rest (53 +/- 13 vs. 53 +/- 13 percent) and during exercise (56 +/- 13 vs. 56 +/- 14 percent) were similar in the t-PA and PTCA groups at six weeks. By six months, reinfarction or death had occurred in 32 patients who received t-PA (16.8 percent) and 16 treated with PTCA (8.5 percent, P = 0.02). As compared with t-PA therapy for acute myocardial infarction, immediate PTCA reduced the combined occurrence of nonfatal reinfarction or death, was associated with a lower rate of intracranial hemorrhage, and resulted in similar left ventricular systolic function.

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A comparison of immediate coronary angioplasty with intravenous streptokinase in acute myocardial infarction.

H. Suryapranata, M T Biasi, S Reiffers … (1993)

Despite the widespread use of intravenous thrombolytic therapy and of immediate percutaneous transluminal coronary angioplasty for the treatment of acute myocardial infarction, randomized comparisons of the two approaches to reperfusion are lacking. We report the results of a prospective, randomized trial comparing immediate coronary angioplasty (without previous thrombolytic therapy) with intravenous streptokinase treatment. A total of 142 patients with acute myocardial infarction were randomly assigned to receive one of the two treatments. The left ventricular ejection fraction was measured by radionuclide scanning before hospital discharge. Quantitative coronary angiography was performed to assess the degree of residual stenosis in the infarct-related arteries. A total of 72 patients were assigned to receive streptokinase and 70 patients to undergo immediate angioplasty. Angioplasty was technically successful in 64 of the 65 patients who underwent the procedure. Infarction recurred in nine patients assigned to receive streptokinase, but in none of those assigned to receive angioplasty (P = 0.003). Fourteen patients in the streptokinase group had unstable angina after their infarction, but only four in the angioplasty group (P = 0.02). The mean (+/- SD) left ventricular ejection fraction as measured before discharge was 45 +/- 12 percent in the streptokinase group and 51 +/- 11 percent in the angioplasty group (P = 0.004). The infarct-related artery was patent in 68 percent of the patients in the streptokinase group and 91 percent of those in the angioplasty group (P = 0.001). Quantitative coronary angiography revealed stenosis of 36 +/- 20 percent of the luminal diameter in the angioplasty group, as compared with 76 +/- 19 percent in the streptokinase group (P < 0.001). Immediate angioplasty after acute myocardial infarction was associated with a higher rate of patency of the infarct-related artery, a less severe residual stenotic lesion, better left ventricular function, and less recurrent myocardial ischemia and infarction than was intravenous streptokinase.

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Prognostic significance of atrial fibrillation/atrial flutter in patients with acute myocardial infarction treated with percutaneous coronary intervention.

Hiroshi Sato, Masatake Fukunami, Daisaku Nakatani … (2003)

Atrial fibrillation (AF) is a frequent complication after acute myocardial infarction (AMI) that has been associated with increased in-hospital and long-term mortality rates in the prethrombolytic and thrombolytic eras. Current therapies, including percutaneous coronary intervention (PCI), are effective in reducing mortality in patients with AMI. However, little is known concerning the incidence and prognostic significance of AF in patients with AMI who are treated with PCI. We evaluated 2,475 consecutive patients with AMI who underwent PCI within 24 hours after onset and who were enrolled in the Osaka Acute Coronary Insufficiency Study. Patients were categorized into 2 groups according to the presence of AF or atrial flutter. The incidence of AF was 12.0%. Patients with AF were older, were in higher Killip classes, had higher rates of previous myocardial infarction and previous cerebrovascular disease, had systolic blood pressure of or =100 beats/min, multivessel disease, and had poorer reperfusion of the infarct-related artery than those without AF. Patients with AF had higher in-hospital (16.0% vs 6.7%, p <0.001) and 1-year (18.9% vs 7.9%, p <0.001) mortality than those without AF. Multivariate Cox regression analysis revealed that AF was an independent predictor of 1-year mortality (hazard ratio 1.64, 95% confidence interval 1.05 to 2.55) but was not a predictor of in-hospital mortality. AF is a common complication in patients with AMI who are treated with PCI and independently influences 1-year mortality.

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Author and article information

Journal

Journal ID (publisher-id): CRD

Journal ID (nlm-ta): Cardiology

Journal ID (doi): 10.1159/issn.0008-6312

Title: Cardiology

Publisher: S. Karger AG

ISSN (Print): 0008-6312

ISSN (Electronic): 1421-9751

Publication date Subscription-year: 2007

Publication date (Print): March 2007

Publication date (Electronic): 31 August 2006

Volume: 107

Issue: 3

Pages: 203-208

Affiliations

Eskisehir Osmangazi University, Cardiology Department, Eskisehir, Turkey

Article

Publisher ID: 95418 Other ID: Cardiology 2007;107:203–208

DOI: 10.1159/000095418

PubMed ID: 16946598

SO-VID: a39c8880-5be8-4a10-919d-40d2511f2c99

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Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

History

Date received : 15 March 2006

Date accepted : 19 June 2006

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Tables: 3, References: 24, Pages: 6

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Atrial Fibrillation after Percutaneous Coronary Intervention: Predictive Importance of Clinical, Angiographic Features and P-Wave Dispersion

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Karger: Cardiovascular System

Most cited references 16

A comparison of immediate angioplasty with thrombolytic therapy for acute myocardial infarction. The Primary Angioplasty in Myocardial Infarction Study Group.

A comparison of immediate coronary angioplasty with intravenous streptokinase in acute myocardial infarction.

Prognostic significance of atrial fibrillation/atrial flutter in patients with acute myocardial infarction treated with percutaneous coronary intervention.

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