Search Results
Results 201 - 250 of 1263
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Garot Philippe - - 2002
We assessed the time course of the alterations of microvascular function and myocardial perfusion, as well their relation to local inotropic reserve (IR), in 21 patients who underwent successful primary coronary angioplasty for acute myocardial infarction and in whom local myocardial dysfunction persisted at hospital discharge. Coronary flow reserve (CFR) ...
Tomita Takeshi - - 2002
Although long-term survival of diabetic patients with multivessel coronary disease has been reported to be better in those treated with bypass surgery than with coronary angioplasty, it is unclear if diabetic patients who undergo coronary angioplasty show better long-term survival than those treated medically. Between 1985 and 1994, 667 consecutive ...
Fujita Yoshihito - - 2002
OBJECTIVE: To describe hemodynamic improvement in a patient treated with nitric oxide (NO) inhalation in the management of right ventricular failure caused by myocardial infarction. DESIGN: Case report. SETTING: An intensive care unit of a university hospital. PATIENT: A 66-yr-old man with severe right ventricular failure caused by acute myocardial ...
Sharma Gyarsi Lal - - 2002
Acute myocardial infarction during pregnancy, though rare, is nevertheless associated with a high mortality rate ranging from 37 50%. Primary angioplasty is the treatment of choice for acute myocardial infarction during pregnancy. There are reports of high vascular bleeding complications when using the transfemoral approach as well as increased morbidity, ...
Angeja Brad G - - 2002
In the treatment of acute myocardial infarction, delayed reperfusion therapy is associated with increased mortality. Predictors of delay have been described for fibrinolysis but not for primary percutaneous transluminal coronary angioplasty (pPTCA). Therefore, we studied 40,017 consecutive patients with acute myocardial infarction who underwent pPTCA in the National Registry of ...
Watanabe Hiroshi - - 2002
A 48-year-old woman with Wolff-Parkinson-White syndrome underwent surgical division of the accessory pathway in the left lateral wall. At 6 months after the procedure, she developed dyspnea and chest oppression. Coronary angiography revealed total occlusion in the left circumflex coronary artery (segment 13) at the exact site where cryoablation had ...
Choi Joon Young - - 2002
Progressive ventricular dilatation is an important prognostic factor in patients with acute myocardial infarction. We evaluated clinical, angiographic, echocardiographic and thallium-201 single-photon emission tomography (SPET) imaging variables predictive of the change in left ventricular volume during a 7-month follow-up period after primary angioplasty in patients with acute myocardial infarction. Thirty-six ...
Ranucci M - - 2002
BACKGROUND: Percutaneous transluminal coronary angioplasty is more and more widely applied for the treatment of acute coronary syndromes. Both if primary employed or following an unsuccessful thrombolytic treatment (rescue angioplasty), it improves the early and late outcome of acute myocardial infarction patients. Anyway, in about 10% of the cases, it ...
Sakai Koyu - - 2002
We reviewed 1,063 consecutive patients treated with direct coronary angioplasty for acute myocardial infarction (AMI): 261 were > or =75 and 802 were <75 years of age. Compared with the younger group, the older group had a higher percentage of women (48% vs 22%, p <0.0001), multivessel coronary disease (50% ...
Osula Serge - - 2002
Acute myocardial infarction is a well-recognized complication of the Hughes syndrome but its optimal treatment is uncertain. We report a case of a 42-year-old man with a history of previous arterial and venous thrombosis who presented with an acute myocardial infarction that was successfully treated by primary angioplasty and stenting.
Guigauri P - - 2002
The benefit of rescue angioplasty after failed thrombolysis was questionable after early studies demonstrated high rates of abrupt infarct artery closure and bleeding complications. Nevertheless, the lack of other good treatment options for patients failing thrombolytic therapy has led to persistent use of this treatment option. Fortunately, there have been ...
Shah Rakesh - - 2002
Acute coronary syndromes such as unstable angina and myocardial infarction are attributed to a pathophysiologic process that involves rupture of atherosclerotic plaque and subsequent thrombosis. Percutaneous intervention of anomalous coronary arteries in patients who present with acute coronary syndromes impose unique technical challenges related to the specific anatomic course and ...
Hernández Felipe - - 2002
Acute coronary embolism is rarely diagnosed and it may explain why normal coronary arteries are found after or even before an acute coronary event in patients with thromboembolic risk factors. Emergency coronary angiography was performed in three patients with prior normal coronary arteries and an acute myocardial infarction, followed by ...
Brueren B R G - - 2002
BACKGROUND: Coronary angioplasty should be based on documented ischemia. However, in daily clinical practice the indication for angioplasty is often based on eyeball assessment of the severity of the stenosis. This study was performed to assess the accuracy of eyeball estimation of coronary stenosis when taking functional flow reserve (FFR) ...
Chamuleau Steven A J - - 2002
OBJECTIVES: This study aimed to investigate the roles of intracoronary derived coronary flow velocity reserve (CFVR) and myocardial perfusion scintigraphy (single photon emission computed tomography, or SPECT) for management of an intermediate lesion in patients with multivessel coronary artery disease. BACKGROUND: Evaluation of the functional significance of intermediate coronary narrowings ...
Lee T-M - - 2002
BACKGROUND AND AIMS: There were controversies as to whether endothelin-1 is released after coronary angioplasty. We sought to determine whether endothelin-1 is released after coronary angioplasty and whether oestrogen administration can affect coronary vasomotor tone by reducing endothelin-1 concentrations. METHODS: The study was designed to prospectively investigate 24 consecutive patients ...
Cedro Krzysztof - - 2002
BACKGROUND: The aim of this study was to evaluate the ongoing controversial issue of whether ischemia/reperfusion during elective coronary angioplasty evokes myocardial peroxidative injury. DESIGN: We measured indicators of free radical damage to lipids (free malondialdehyde) and proteins (sulphydryl groups) in coronary sinus blood in 19 patients with stable angina ...
Kanamasa Ken - - 2002
Coronary angiograms obtained after percutaneous transluminal coronary angioplasty are often hazy due to uneven distribution of contrast medium at the angioplasty site, In this study, structural changes resulting in haziness after percutaneous transluminal coronary angioplasty were identified angioscopically. The affected coronary arteries of 35 patients who underwent successful percutaneous transluminal ...
Doyle J J - - 2002
The objective of this analysis was to calculate the cost-effectiveness of amlodipine therapy in patients with coronary artery disease in Sweden. It is hypothesised that treatment with amlodipine will have an impact on overall cardiovascular disease treatment costs, resulting in a positive cost-effectiveness profile. A Markov cohort simulation model was ...
Díaz-Araya Guillermo - - 2002
OBJECTIVE: To evaluate the oxidative stress status and the modification with glucose-insulin-potassium (GIK) therapy in patients with acute myocardial infarction undergoing primary percutaneous transluminal coronary angioplasty. DESIGN: Prospective, randomized, double-blinded, placebo-controlled study. SETTING: Cardiac intensive care unit at the university hospital. PATIENTS: Twenty patients were randomized to GIK solution (30% ...
Spacek R - - 2002
AIMS: Direct angioplasty is an effective treatment for ST-elevation myocardial infarction. The role of very early angioplasty in non-ST-elevation infarction is not known. Thus, a randomized study of first day angiography/angioplasty vs early conservative therapy of evolving myocardial infarction without persistent ST-elevation was conducted. METHODS: One hundred and thirty-one patients ...
Sharma G L - - 2002
As the safety and feasibility of the transradial approach for percutaneous coronary interventions have already been established by many series, we evaluate the safety and feasibility of this approach in noncoronary interventions such as renal, celiac, mesenteric, and subclavian angioplasty procedures. We present here our preliminary experience of noncoronary interventions ...
Tanaka Atsushi - - 2002
This study was designed to determine whether preintervention intravascular ultrasound (IVUS) imaging can assist in predicting the likelihood of acute coronary occlusion after primary angioplasty. Primary angioplasty is in widespread use for the treatment of acute myocardial infarction (AMI), although its usefulness is sometimes compromised by postprocedural acute coronary occlusion. ...
Tariq M - - 2002
This report concerns an 82-year-old white man, who was admitted with cardiogenic shock secondary to an acute anterior myocardial infarction with right bundle branch block requiring an intra-aortic balloon pump for hemodynamic support and mechanical ventilatory support for respiratory distress. An immediate cardiac catheterization with coronary angiography revealed a complete ...
Köster Ralf - - 2002
The efficacy of percutaneous transluminal coronary angioplasty (PTCA) is limited by remaining plaque tissue and the development of restenosis. It has been demonstrated that the restenosis rate is low if a large lumen diameter is achieved after coronary intervention. Debulking of coronary stenoses is a concept to increase the luminal ...
Zahn Ralf - - 2002
The pooled data of two German AMI registries: the Maximal Individual Therapy in Acute Myocardial Infarction (MITRA) study and the Myocardial Infarction Registry (MIR) were analysed in order to 1) describe current clinical practice of primary angioplasty in Germany, 2) compare the results of primary angioplasty with those of thrombolysis ...
Matsumoto Y - - 2001
OBJECTIVES: We reviewed early and midterm outcome of 11 multivessel-disease acute coronary syndrome patients treated by hybrid revascularization, i.e., initial coronary angioplasty followed by minimally invasive direct coronary artery bypass grafting. We evaluated procedural efficacy and applicability. METHODS: Beginning in August 1997, hybrid revascularization was conducted in 11 multivessel-disease acute ...
Prisco D - - 2001
It has been reported that the increase of plasminogen activator inhibitor-1 activity immediately after elective coronary angioplasty is related to subsequent clinical recurrence in patients with chronic coronary artery disease. The aims of our study were to evaluate the behavior of plasminogen activator inhibitor-1 and D-Dimer after revascularization in acute ...
Halvorsen S - - 2001
OBJECTIVE: To study changes in left ventricular function and infarct size during long-term follow-up after acute myocardial infarction treated with primary angioplasty. DESIGN: From 1996 to 1998, 100 consecutive patients were treated with primary angioplasty for acute ST-elevation myocardial infarction. Angioplasty was successful in 95% of the patients. Global left ...
Joukhadar C - - 2001
OBJECTIVE: Patients with peripheral arterial occlusive disease are prone to soft tissue infections and frequently require antibiotics. To date, however, it is not known whether improvement of arterial blood flow by angioplasty of stenosis increases antibiotic concentrations in ischemic lesions. PATIENTS AND METHODS: All patients were scheduled to undergo elective ...
Grube E - - 2001
BACKGROUND: Although distal embolization and the "no-reflow" phenomenon are well described in saphenous vein graft (SVG) interventions, the frequency, magnitude, and characterization of embolized debris have not been evaluated in routine coronary interventions. A unique embolus protection device described herein provides a means of containing and retrieving plaque material dislodged ...
Pettersen R J - - 2001
OBJECTIVE: The sulfur containing tetradecylthioacetic acid (TTA) has a profound effect on lipid metabolism and may also exert antioxidant and anti-inflammatory actions and thereby counteract coronary stenosis after angioplasty balloon injury. This study examined the possible modulatory effects of TTA, delivered locally, on coronary stenosis in minipigs and the underlying ...
De Santo N G - - 2001
Cardiovascular disease is the leading cause of morbidity and mortality in end-stage renal disease. Causes include those usually found in the general population, those related to the uremic status, and those related to dialytic treatment. Hypertension, hypotension, anemia, hypoalbuminemia, malnutrition, dyslipidemia, reactive C protein, calcium-phosphate product, dialysis modalities, and hyperhomocysteinemia ...
Beohar N - - 2001
Off-hours presentation resulted in a significant increase in the onset of pain to balloon inflation time (approximately 1.3 hours) as well as the emergency room to balloon inflation time (approximately 54 minutes). However, this delay to reperfusion did not result in a difference in clinical outcomes (in-hospital or long-term) in ...
Rossi M L - - 2001
Numerous studies of sex differences in morbidity and mortality after an episode of acute coronary disease shown unclear results. In particular is not clear if women undergoing coronary revascularization procedures have adverse in-hospital and long-term outcomes compared with men. Recent clinical trial have provided new insights into this problem. The ...
Axelrod D A - - 2001
CONTEXT: Angioplasty and stent placement for peripheral arterial occlusive disease has traditionally been performed by radiologists and surgeons. However, cardiologists have recently begun to perform these procedures. It is unknown whether this has affected how often the procedure is done. OBJECTIVE: To assess how the proportion of peripheral angioplastics performed ...
Lin L C - - 2001
We conducted a study to delineate the alterations in the cyclic changes of myocardial ultrasonic integrated backscatter (IBS) in patients receiving angioplasty for chronic coronary artery disease. Ultrasonic tissue characterization (UTC) and dobutamine stress echocardiography were performed in 43 patients before and 24 h after angioplasty, as well as before ...
Fretz E B - - 2001
BACKGROUND: Excimer laser coronary angioplasty (ELCA) has not been used in the setting of highly calcified, tight stenoses because the energies required to use existing catheters would lead to excessive heat damage and dissection. There are, however, cases that frequently benefit from debulking prior to percutaneous intervention. A new, small ...
Ward M R MR Baker Medical Research Institute and Alfred Hospital, Melbourne, Victoria, - - 2001
Coronary artery angioplasty triggers healing that causes constrictive remodeling. Because collagen accumulation correlates with constrictive remodeling and aldosterone has been implicated in collagen accumulation, we examined how aldosterone and the mineralocorticoid receptor antagonists spironolactone and eplerenone affect remodeling and collagen in porcine coronary and iliac arteries after angioplasty. Twenty-four pigs ...
Philbin E F - - 2001
OBJECTIVES: The purpose of this study was to determine whether underuse of cardiac procedures among Medicaid patients with acute myocardial infarction is explained by or is independent of fundamental differences in age, race, or sex distribution; income, coexistent illness; or location of care. METHODS: Administrative data from 226 hospitals in ...
Anjaneyulu A - - 2001
Acute reversible left ventricular dysfunction due to myocardial stunning is a known phenomenon during acute myocardial infarction, coronary angiography, coronary angioplasty or after coronary artery bypass surgery. We report a rare case of acute reversible dysfunction of the myocardium as a complication of general anesthesia in a patient with normal ...
Albertal M - - 2001
BACKGROUND: The coronary flow velocity acceleration at the stenotic site (SVA), defined as a > or = 50% increase in resting stenotic velocity when compared with the reference segment, has been shown to be highly sensitive and specific for the diagnosis of a hemodynamically significant stenosis. In this study, we ...
Siddiqui M A - - 2001
Percutaneous transluminal coronary angioplasty has proven to be more effective and safer than thrombolytic therapy for the treatment of acute ST elevation myocardial infarction. Coronary intervention decreases early mortality and the incidence of intracerebral hemorrhage when performed by an experienced interventional team in a timely fashion. After failed fibrinolytic therapy ...
Zahn R - - 2001
OBJECTIVES: We sought to determine the effectiveness of primary angioplasty compared with thrombolysis in clinical practice. BACKGROUND: In clinical practice, primary angioplasty for the treatment of acute myocardial infarction (AMI) has not yet been proven more effective than intravenous thrombolysis, nor have subgroups of patients been identified who would perhaps ...
Brito J C - - 2001
OBJECTIVE: To assess the feasibility and safety of coronary interventions performed through the radial artery. METHODS: We studied 103 patients with ages from 38 to 86 years (57+/-8.7), 90 (87%) males, and: radial pulse with a good amplitude, presence of ulnar pulse, a good collateral flow through the palmar arch ...
Pitt B - - 2001
Angiotensin-converting enzyme inhibitors improve endothelial function, inhibit experimental atherogenesis, and decrease ischemic events. The Quinapril Ischemic Event Trial was designed to test the hypothesis that quinapril 20 mg/day would reduce ischemic events (the occurrence of cardiac death, resuscitated cardiac arrest, nonfatal myocardial infarction, coronary artery bypass grafting, coronary angioplasty, or ...
Umetani K - - 2001
A 25-year-old Japanese female complaining chest oppression and palpitation was admitted to hospital under the presumptive diagnosis of ischemic heart disease (IHD), although no obvious underlying disease associated with IHD was detected. Coronary angiography showed stenosis at the proximal site of left anterior descending artery (LAD), with dilatation and tortuosity ...
Yip H - - 2001
BACKGROUND: Inferior wall myocardial infarction caused by obstruction of an anomalous-origin right coronary artery (RCA) is a rare angiographic finding; primary angioplasty to an anomalous-origin RCA has never been reported. METHODS: In 185 patients with acute inferior wall myocardial infarction resulting from RCA occlusion who underwent primary angioplasty, eight patients ...
Eastwood G M - - 2001
Utilizing a naturalistic inquiry approach, a semi-structured interview schedule and non-probability purposive sampling, this study provided detail on the rationale and influences behind the decisions of four males participants to change or not change their lifestyle patterns 3 months after a percutaneous transluminal coronary angioplasty/intracoronary stent procedure. One of the ...
Anain P - - 2001
PURPOSE: To retrospectively review the long-term outcome as well as the cost effectiveness of thrombolytic therapy and balloon angioplasty (TBA) versus surgical thrombectomy and balloon angioplasty (SBA) in the treatment of prosthetic dialysis access grafts. METHODS: Between February 1996 and February 1999, 63 hemodialysis patients (35 women; mean age 62.2 ...
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