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Eric Boersma

Publications and source records attributed to Eric Boersma.

At least 127 records · Page 7Linked to original sources
PubMed2003

Optimizing long-term cardiac management after major vascular surgery: Role of beta-blocker therapy, clinical characteristics, and dobutamine stress echocardiography to optimize long-term cardiac management after major vascular surgery.

BACKGROUND: Survivors of major vascular surgery are at increased risk of late cardiac complications. OBJECTIVE: To examine the cardioprotective effect of beta-blockers. METHODS: A follow-up study was conducted in 1286 patients who survived surgery for at least 30 days. Patients were screened for cardiac risk factors and dobutamine stress echocardiography (DSE) results; 1034 patients (80%) underwent preoperative DSE, and 370 (29%) received beta-blockers. The main outcome measure was late cardiac death or myocardial infarction. RESULTS: Seventy-four patients (5.8%) had late cardiac events. Cardiac event rates in patients with 0, 1 to 2, and 3 or more risk factors were 1.6%, 4.7%, and 19.2%, respectively. In patients without risk factors, beta-blockers were associated with improved event-free survival (2.8% vs 0%), and DSE had no additional prognostic value. In patients with 1 to 2 risk factors, the presence of ischemia during DSE increased cardiac events from 3.9% to 9.8%. However, if patients with ischemia were treated with beta-blockers, the risk decreased to 7.2%. In patients with 3 or more risk factors, DSE and beta-blockers stratified patients into intermediate- and high-risk groups. In patients without ischemia, beta-blockers reduced the cardiac event rate from 15.1% to 9.5%, whereas the cardioprotective effect was limited in patients with 3 or more risk factors and positive DSE findings. CONCLUSIONS: Long-term beta-blocker use is associated with a reduction in the cardiac event rate, except for patients with 3 or more risk factors and positive findings on DSE.

Adrenergic beta-Antagonists↗
PubMed2003

Impact of viability, ischemia, scar tissue, and revascularization on outcome after aborted sudden death.

BACKGROUND: Survivors of aborted sudden death attributable to ventricular arrhythmias in the presence of coronary artery disease are at risk for recurrences. The substrate underlying these arrhythmias is not clear, and therefore the relation between ischemia, viability, scar tissue (and revascularization), and the incidence of ventricular arrhythmias (and survival) was studied over up to 3 years. METHODS AND RESULTS: One hundred fifty-three survivors of sudden death underwent stress-rest perfusion imaging. Patients with ischemic/viable myocardium (n=73) were revascularized if possible. Final antiarrhythmic therapy was based on the outcome of electrophysiological testing or left ventricular ejection fraction (LVEF). Implantation of a defibrillator was performed in 112 (72%) patients. During 3-year follow-up, 15 cardiac deaths occurred and 42 (29%) patients had recurrent ventricular arrhythmias. Patients with events (death or recurrence) exhibited more often a severely depressed LVEF (< or =30%), more extensive scar tissue, and less ischemic/viable myocardium on perfusion imaging and less frequently underwent revascularization. Multivariate analysis identified extensive scar tissue and LVEF < or =30% as the only predictors of death/recurrent ventricular arrhythmias. CONCLUSIONS: In patients with aborted sudden death, extensive scar tissue and severely depressed LVEF are the only predictors of death or recurrent ventricular arrhythmias. These patients should be considered for implantation of a defibrillator.

Aged↗
PubMed2003

Early versus delayed revascularization in patients with ischemic cardiomyopathy and substantial viability: impact on outcome.

BACKGROUND: Patients with ischemic cardiomyopathy and viable myocardium may improve in function and prognosis following revascularization. Delayed revascularization may result in less favorable outcome, and therefore the impact of timing of revascularization on long-term outcome was evaluated. METHODS AND RESULTS: Patients (n=85) with ischemic cardiomyopathy and substantial viability (>or=25% of the left ventricle) on dobutamine stress echocardiography underwent surgical revascularization. Based on the waiting time for revascularization, patients were divided into 2 groups: early ( 1 month) revascularization. Left ventricular ejection fraction (LVEF) was assessed before and 9 to 12 months after revascularization; follow-up data were acquired up to 2 years after revascularization. Hence, 40 patients underwent early (20+/-12 days) and 45 late (85+/-47 days) revascularization. Baseline characteristics of the two groups were comparable. Preoperative deaths were 0 in the early and 2 in the late group. Patients with early revascularization remained shorter time in the intensive care unit (2.4+/-1.5 days versus 5.9+/-2.1 days for the late group, P<0.05). Low output syndrome was observed more frequently in the late group (8% versus 22%, P=0.06). On long-term follow-up, mortality (5% versus 20%, P<0.05) and re-hospitalization for heart failure (10% versus 24%, NS) were higher in the late group. LVEF improved from 28+/-9% to 40+/-12% (P<0.05) in the early group and remained unchanged in the late group (27+/-10% versus 25+/-7%, NS). CONCLUSIONS: Patients with ischemic cardiomyopathy and viable myocardium benefit from early revascularization (with improvement in LVEF and favorable prognosis), whereas delayed revascularization of these patients is associated with worse outcome.

Cardiac Output, Low↗
PubMed2003

Effect of atorvastatin on myocardial contractile reserve assessed by tissue Doppler imaging in moderately hypercholesterolemic patients without heart disease.

An improvement in myocardial longitudinal systolic velocities, assessed by pulsed-wave tissue Doppler imaging during low-dose dobutamine infusion, was observed at 6-month follow-up after 6 months of treatment with atorvastatin. Our findings indicate a favorable effect of atorvastatin on contractile reserve, possibly through an enhancement of flow-dependent coronary dilatation during stress.

Aged↗
PubMed2003

Preoperative comparison of different noninvasive strategies for predicting improvement in left ventricular function after coronary artery bypass grafting.

Thallium-201 (Tl-201) imaging and dobutamine stress echocardiography (DSE) are the most frequently used tests in the clinical setting for assessing viability. However, Tl-201 has a suboptimal specificity and DSE a suboptimal sensitivity to predict functional improvement after revascularization. F18-fluorodeoxyglucose (FDG) imaging is considered highly accurate, but availability is limited. Sequential imaging of Tl-201 and DSE may improve accuracy for assessing viability and may be comparable to FDG. Forty-seven patients with ischemic cardiomyopathy underwent Tl-201 single-photon emission computed tomography (SPECT) at rest (4-hour delayed imaging), DSE, and FDG SPECT before bypass surgery. Sensitivity, specificity, and accuracy of 2 sequential strategies were compared with those of FDG SPECT. Strategy 1 considered Tl-201 imaging as the first step, followed by DSE in patients with an intermediate likelihood of viability on Tl-201. Strategy 2 considered DSE as the first step, followed by Tl-201 imaging. Left ventricular ejection fraction was assessed before and 6 months after revascularization, and improvement of >/=5% was considered significant. Tl-201 had a high sensitivity (95%, p <0.05 vs DSE) with a low specificity (57%, p <0.05 vs DSE). DSE had a low sensitivity (63%, p <0.05 vs Tl-201) with a high specificity (89%, p <0.05 vs Tl-201). Both strategies 1 and 2 resulted in high sensitivities (89% and 89%, respectively) and high specificities (89% and 86%, respectively), compared with FDG SPECT (sensitivity 89%, specificity 86%). Sequential testing by Tl-201 SPECT and DSE has a comparable accuracy to FDG SPECT to predict improvement in left ventricular ejection fraction after revascularization. In centers without access to FDG, sequential imaging with Tl-201 and DSE offers an accurate alternative for assessing myocardial viability.

Aged↗
PubMed2003

Individual prediction of functional recovery after coronary revascularization in patients with ischemic cardiomyopathy: the scar-to-biphasic model.

Currently, the prediction of improvement of left ventricular (LV) ejection fraction (EF) after revascularization in patients with ischemic cardiomyopathy relies only on viable myocardium extent, whereas both the amount of viable and scar tissue may be important. A model was developed, based on the amount of viable and nonviable myocardium, to predict functional recovery. Viable and scarred myocardium was defined by dobutamine stress echocardiography (DSE) in 108 consecutive patients. LVEF before and 9 to 12 months after revascularization was assessed by radionuclide ventriculography; an improvement of > or =5% was considered significant. In the 1,089 dysfunctional segments (63%), DSE elicited biphasic response in 216 segments (20%), sustained improvement in 205 (19%), worsening in 43 (4%), and no change in 625 (57%). LVEF improved in 39 patients (36%). Only the numbers of biphasic and scar segments were predictors of improvement or no improvement of LVEF (odds ratio 1.5, 95% confidence interval 1.2 to 1.7, p <0.0001 for biphasic segments; odds ratio 0.8, 95% confidence interval 0.7 to 0.9, p <0.0005 for scarred segments). The sustained improvement and worsening pattern were not predictive of improvement or no improvement. A regression function, based on the number of scar and biphasic segments, showed that the likelihood of recovery was 85% in patients with extensive biphasic tissue and no scars and 11% in patients with extensive scars and no biphasic myocardium. Patients with a mixture of scar and biphasic tissue had an intermediate likelihood of improvement (50%). In patients with ischemic cardiomyopathy and a mixture of viable and nonviable tissue, both numbers of viable and nonviable segments should be considered to accurately predict functional recovery after revascularization.

Aged↗
PubMed2003

Statins are associated with a reduced incidence of perioperative mortality in patients undergoing major noncardiac vascular surgery.

BACKGROUND: Patients undergoing major vascular surgery are at increased risk of perioperative mortality due to underlying coronary artery disease. Inhibitors of the 3-hydroxy-3-methylglutaryl coenzyme A (statins) may reduce perioperative mortality through the improvement of lipid profile, but also through the stabilization of coronary plaques on the vascular wall. METHODS AND RESULTS: To evaluate the association between statin use and perioperative mortality, we performed a case-controlled study among the 2816 patients who underwent major vascular surgery from 1991 to 2000 at the Erasmus Medical Center. Case subjects were all 160 (5.8%) patients who died during the hospital stay after surgery. From the remaining patients, 2 controls were selected for each case and were stratified according to calendar year and type of surgery. For cases and controls, information was obtained regarding statin use before surgery, the presence of cardiac risk factors, and the use of other cardiovascular medication. A vascular complication during the perioperative phase was the primary cause of death in 104 (65%) case subjects. Statin therapy was significantly less common in cases than in controls (8% versus 25%; P<0.001). The adjusted odds ratio for perioperative mortality among statin users as compared with nonusers was 0.22 (95% confidence interval 0.10 to 0.47). Similar results were obtained in subgroups of patients according to the use of cardiovascular therapy and the presence of cardiac risk factors. CONCLUSIONS: This case-controlled study provides evidence that statin use reduces perioperative mortality in patients undergoing major vascular surgery.

Adolescent↗
PubMed2003

Impact of percutaneous coronary intervention or coronary artery bypass grafting on outcome after nonfatal cardiac arrest outside the hospital.

Survivors of cardiac arrest due to ventricular arrhythmias are at risk for recurrent events. The role of revascularization in secondary prevention for survivors of cardiac arrest has been addressed in various studies with conflicting results. A total of 142 survivors of cardiac arrest with coronary artery disease were evaluated according to a standardized protocol, including 2-dimensional echocardiography, myocardial perfusion scintigraphy, coronary angiography, and electrophysiologic testing. Revascularization of scintigraphically documented ischemic myocardial regions was performed in 44 patients (31%). Final therapy was based on the results of electrophysiologic testing. Four-year survival rates were 100% for revascularized noninducible patients, 84% for revascularized inducible patients, 91% for nonrevascularized noninducible patients, and 72% for nonrevascularized inducible patients. Only 1 patient (<1% of study population) died suddenly. Recurrences were much more frequent in patients without revascularization (38% vs 7%, p <0.001) and the recurrence rate was 0% in the revascularized noninducible patients. Thus, revascularization of ischemically jeopardized myocardium in survivors of cardiac arrest resulted in excellent survival; moreover, in absence of inducible ventricular arrhythmias, the recurrence rate was 0%. Systematic evaluation of survivors of cardiac arrest due to ventricular arrhythmias allows risk stratification and guidance of subsequent antiarrhythmic therapy.

Adult↗
PubMed2003

Serum level of the antiinflammatory cytokine interleukin-10 is an important prognostic determinant in patients with acute coronary syndromes.

BACKGROUND: Convincing evidence suggests that atherosclerosis is an inflammatory disease. The inflammatory response is an important determinant of atherosclerotic plaque instability. Therefore, we investigated the prognostic impact of key inflammatory players, namely the inflammatory marker C-reactive protein (CRP) and the antiinflammatory cytokine interleukin-10 (IL-10), in patients with acute coronary syndromes. METHODS AND RESULTS: IL-10, CRP, and troponin T were measured at baseline and before discharge in 547 patients enrolled in the placebo group of the c7E3 Anti Platelet Therapy in Unstable Refractory angina (CAPTURE) trial. Death and nonfatal myocardial infarction were recorded during 6-month follow-up. IL-10 levels did not correlate with troponin T concentrations but were inversely correlated with CRP levels (P<0.001). Patients with elevated IL-10 levels (>3.5 pg/mL; n=276) were at significantly lower risk compared with patients with elevated IL-10 levels (hazard ratio, 0.33; 95% confidence interval [CI], 0.25 to 0.76; P=0.002). The predictive value of IL-10 was independent of myocardial necrosis but significantly interacted with CRP levels. CRP-positive patients with IL-10 serum levels above the calculated threshold value of 3.5 pg/mL were protected from the increased cardiac risk of CRP-positive patients with low IL-10 levels (adjusted hazard ratio, 0.25; 95% CI, 0.10 to 0.63; P=0.003). Moreover, discharge IL-10 levels >2.5 pg/mL were associated with lower cardiac risk during 6-month follow-up (hazard ratio, 0.38; 95% CI, 0.19 to 0.83; P=0.005). CONCLUSIONS: Elevated IL-10 serum levels are associated with a more favorable prognosis in patients with acute coronary syndromes and elevated CRP levels. These data demonstrate the importance of the balance between proinflammatory and antiinflammatory markers as a major determinant of patients' outcome in acute coronary syndromes.

Acute Disease↗
PubMed2003

Soluble CD40 ligand in acute coronary syndromes.

BACKGROUND: CD40 ligand is expressed on platelets and released from them on activation. We investigated the predictive value of soluble CD40 ligand as a marker for clinical outcome and the therapeutic effect of glycoprotein IIb/IIIa receptor inhibition in patients with acute coronary syndromes. METHODS: Serum levels of soluble CD40 ligand were measured in 1088 patients with acute coronary syndromes who had previously been enrolled in a randomized trial comparing abciximab with placebo before coronary angioplasty and in 626 patients with acute chest pain. RESULTS: The levels of soluble CD40 ligand were elevated (above 5.0 microg per liter) in 221 patients with acute coronary syndromes (40.6 percent). Among patients receiving placebo, elevated soluble CD40 ligand levels indicated a significantly increased risk of death or nonfatal myocardial infarction during six months of follow-up (adjusted hazard ratio as compared with patients with low levels of the ligand [< or =5.0 microg per liter], 2.71; 95 percent confidence interval, 1.51 to 5.35; P=0.001). The prognostic value of this marker was validated in the patients with chest pain, among whom elevated soluble CD40 ligand levels identified those with acute coronary syndromes who were at high risk for death or nonfatal myocardial infarction (adjusted hazard ratio as compared with those with low levels of the ligand, 6.65; 95 percent confidence interval, 3.18 to 13.89; P<0.001). The increased risk in patients with elevated soluble CD40 ligand levels was significantly reduced by treatment with abciximab (adjusted hazard ratio as compared with those receiving placebo, 0.37; 95 percent confidence interval, 0.20 to 0.68; P=0.001), whereas there was no significant treatment effect of abciximab in patients with low levels of soluble CD40 ligand. CONCLUSIONS: In patients with unstable coronary artery disease, elevation of soluble CD40 ligand levels indicated an increased risk of cardiovascular events. Elevation of soluble CD40 ligand identifies a subgroup of patients at high risk who are likely to benefit from antiplatelet treatment with abciximab.

Abciximab↗
PubMed2003

Acute myocardial infarction.

Acute myocardial infarction is a common disease with serious consequences in mortality, morbidity, and cost to the society. Coronary atherosclerosis plays a pivotal part as the underlying substrate in many patients. In addition, a new definition of myocardial infarction has recently been introduced that has major implications from the epidemiological, societal, and patient points of view. The advent of coronary-care units and the results of randomised clinical trials on reperfusion therapy, lytic or percutaneous coronary intervention, and chronic medical treatment with various pharmacological agents have substantially changed the therapeutic approach, decreased in-hospital mortality, and improved the long-term outlook in survivors of the acute phase. New treatments will continue to emerge, but the greatest challenge will be to effectively implement preventive actions in all high-risk individuals and to expand delivery of acute treatment in a timely fashion for all eligible patients.

Angioplasty, Balloon, Coronary↗
PubMed2003

Prognostic significance of angiogenic growth factor serum levels in patients with acute coronary syndromes.

BACKGROUND: In patients with acute coronary syndromes, compensatory processes are initiated, including angiogenesis and endothelial regeneration of ruptured or eroded plaques. Angiogenic growth factors like vascular endothelial growth factor (VEGF), hepatocyte growth factor (HGF), and basic fibroblast growth factor (bFGF) are upregulated during ischemia. However, it is unknown whether their serum levels are related to clinical outcome. METHODS AND RESULTS: We measured VEGF, HGF, and bFGF levels in 1090 patients with acute coronary syndromes. Angiographic evaluation was performed at baseline as well as death, and nonfatal myocardial infarctions were recorded during 6-month follow-up. HGF and VEGF, but not bFGF, were significantly and independently associated with the patients' outcome. Patients with elevated VEGF serum levels suffered from adverse outcome (adjusted hazard ratio, 2.50 [1.52 to 4.82]; P=0.002). VEGF elevation was associated with evidence of ischemia and was a significant predictor of the effect of glycoprotein IIb/IIIa inhibition. In contrast, patients with high HGF levels had a significantly lower event rate compared with patients with low HGF levels (adjusted hazard ratio, 0.33 [0.21 to 0.51]; P<0.001). HGF levels did not correlate with evidence of ischemia and did not predict the effect of abciximab. Intriguingly, however, HGF levels significantly correlated with angiographically visible collateralization of the target vessel (22.4% versus 10.5%; P<0.001). CONCLUSIONS: The angiogenic growth factors VEGF and HGF are independent predictors of the patients' prognosis in acute coronary syndromes. Whereas VEGF elevation correlated with the evidence of myocardial ischemia and indicated an adverse outcome, HGF elevation was independent of ischemia and associated with improved collateralization as well as a favorable prognosis.

Abciximab↗
PubMed2003

Prehospital thrombolysis with reteplase: the Nijmegen/Rotterdam study.

OBJECTIVE: The objective of this observational study was to assess time from electrocardiogram diagnosis to treatment and time from pain onset to treatment with double bolus reteplase compared to current therapy with streptokinase or bolus anistreplase in 2 cities (Rotterdam and Nijmegen) in the Netherlands, where prehospital thrombolysis is an established way of treatment of acute myocardial infarction. METHODS: Prehospital thrombolysis is performed using electrocardiogram diagnosis by the ambulance service as well as bolus anistreplase for treatment in Nijmegen, and streptokinase infusion in Rotterdam. Reteplase or anistreplase/streptokinase was assigned open label to patients according to order of presentation on a 1-to-1 basis. All patients were treated with nitrates sublingually and aspirin orally. Time intervals were recorded by the ambulance staff. RESULTS: In total, 250 patients were treated between April 1, 1999 and August 1, 2000. Reteplase was used in 120 patients and anistreplase/streptokinase in 130 patients. Using double bolus reteplase resulted in a significantly shorter time to treatment: a median of 81 minutes compared to a median of 104 minutes with the established therapy (P <.0001). There were no differences in mortality, aborted myocardial infarction, hemorrhagic stroke or the need for rescue angioplasty between the groups. CONCLUSION: In prehospital thrombolysis, double bolus reteplase is associated with a shorter time to treatment than bolus anistreplase or infusion of streptokinase.

Aged↗
PubMed2003

A prospective survey of patients with valvular heart disease in Europe: The Euro Heart Survey on Valvular Heart Disease.

AIMS: To identify the characteristics, treatment, and outcomes of contemporary patients with valvular heart disease (VHD) in Europe, and to examine adherence to guidelines. METHODS AND RESULTS: The Euro Heart Survey on VHD was conducted from April to July 2001 in 92 centres from 25 countries; it included prospectively 5001 adults with moderate to severe native VHD, infective endocarditis, or previous valve intervention. VHD was native in 71.9% of patients and 28.1% had had a previous intervention. Mean age was 64+/-14 years. Degenerative aetiologies were the most frequent in aortic VHD and mitral regurgitation while most cases of mitral stenosis were of rheumatic origin. Coronary angiography was used in 85.2% of patients before intervention. Of the 1269 patients who underwent intervention, prosthetic replacement was performed in 99.0% of aortic VHD, percutaneous dilatation in 33.9% of mitral stenosis, and valve repair in 46.5% of mitral regurgitation; 31.7% of patients had > or =1 associated procedure. Of patients with severe, symptomatic, single VHD, 31.8% did not undergo intervention, most frequently because of comorbidities. In asymptomatic patients, accordance with guidelines ranged between 66.0 and 78.5%. Operative mortality was <5% for single VHD. CONCLUSIONS: This survey provides unique contemporary data on characteristics and management of patients with VHD. Adherence to guidelines is globally satisfying as regards investigations and interventions.

Adult↗
PubMed2003

Blood pressure is insufficiently controlled in European patients with established coronary heart disease.

BACKGROUND: Elevated blood pressure is associated with an impaired prognosis in patients with established coronary heart disease. Adequate blood pressure control is therefore of utmost importance. We report on two successive European surveys that evaluated whether the goals given in recommendations on secondary prevention are achieved. METHODS: The first European Action on Secondary Prevention through Intervention to Reduce Events (EUROASPIRE I) survey was conducted during 1995-1996 in 21 hospitals in nine European countries. The second survey (EUROASPIRE II) was conducted during 1999-2000 in 47 hospitals (including 20 hospitals that participated in EUROASPIRE I) in 15 Europeans countries. Consecutive patients (aged < 71 years) were identified from hospital records after coronary artery bypass grafting, percutaneous coronary intervention, myocardial infarction, or myocardial ischaemia. Patients were invited for an interview and examination at least 6 months after hospitalization. During the interview, blood pressure was measured in a standardized fashion. Systolic blood pressure >/= 140 mmHg and/or a diastolic blood pressure >/= 90 mmHg were considered as elevated blood pressure. EUROASPIRE II provides a more comprehensive view on the actual management of patients with established coronary disease. Therefore, we decided to concentrate mainly on the EUROASPIRE II data, and to use EUROASPIRE I for the evaluation of time trends. RESULTS: In EUROASPIRE II, 5556 patients were interviewed, and 51% were diagnosed with elevated blood pressure. Large regional variations in the prevalence of elevated blood pressure were observed, with values ranging from 37 to 64%. Twenty-five per cent (1401) of patients were on a diet to reduce blood pressure, and among these 61% had elevated blood pressure. The prevalence of elevated blood pressure among the 4827 (87%) patients taking blood pressure-lowering medication (which was not necessarily taken as an antihypertensive treatment) was 51%. Patients with elevated blood pressure were more likely to be diabetic, hypercholesterolemic, and obese than normotensive patients. The proportion of patients who reported being aware of their hypertensive status was somewhat higher in EUROASPIRE II than in EUROASPIRE I (71 versus 67%), and the use of blood pressure-lowering medication was intensified (91 versus 85%). However, these changes were not accompanied by a decrease in the prevalence of elevated blood pressure (54 versus 55% in centres that participated in both surveys). CONCLUSION: During 1995-2000 the prevalence of elevated blood pressure in patients with established coronary heart disease remained at an unacceptably high level. Throughout Europe, still about half of coronary patients require more intensive blood pressure management.

Aged↗
PubMed2003

Risk-benefit analysis of platelet glycoprotein IIb/IIIa inhibitors in acute coronary syndromes.

Four intravenous glycoprotein IIb/IIIa receptor inhibitors (GPIs) (abciximab, eptifibatide, tirofiban and lamifiban) have been tested extensively over the last decade for their efficacy and safety in patients with acute coronary syndromes (ACS). GPIs are well-established adjunct agents for patients undergoing percutaneous coronary intervention, and considerable effort has gone into evaluating these agents in patients who are not scheduled to undergo coronary revascularisation. In the current article, six major randomised clinical trials conducted in the latter patient population are reviewed. Based on a recent meta-analysis of these trials, GPIs reduced the incidence of death or myocardial infarction in patients not scheduled for early revascularisation, with the greatest reduction observed in patients at high risk of thrombotic complications. Major bleeding complications were more frequent in those receiving GPIs, however, the incidences of intracranial haemorrhage and stroke were similar in both treatment groups. Despite these risks, the benefits of GPI therapy in addition to conventional treatment, such as aspirin and heparin, should be considered for these high-risk patients.

Abciximab↗