Search Results
Results 251 - 300 of 1266
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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 ...
Kowalski M - - 2001
BACKGROUND: Gastric infection caused by Helicobacter pylori has recently been associated with increased risk of coronary artery disease. AIM: To: 1) determine seroprevalence of Helicobacter pylori and its cytotoxin associated gene A in patients with/without coronary artery disease (group A), 2) assess influence of Helicobacter pylori eradication on coronary artery ...
Kijima Y - - 2001
8-iso-prostaglandin F(2 alpha)(8-iso-PGF(2 alpha)), a representative isoprostane, has been reported to be a reliable marker for oxidant stress in vivo. To examine if 8-iso-PGF(2 alpha)is generated in patients with acute myocardial infarction (AMI), we measured the level of immunoreactive 8-iso PGF(2 alpha)in the great cardiac vein as well as classical ...
Hassan S A - - 2001
PURPOSE: Previous studies have shown that coronary artery bypass surgery reduces the risk of cardiac complications after noncardiac surgery. Whether coronary angioplasty provides equivalent protection is not known. SUBJECTS AND METHODS: Patients were randomly assigned to undergo cardiac artery bypass surgery or angioplasty as part of the Bypass Angioplasty Revascularization ...
Scarpinato L - - 2001
The use of stress-testing modalities after angioplasty or bypass has been an area of discussion and research since the advent of percutaneous transluminal coronary angioplasty (PTCA) and coronary artery bypass grafting (CABG). Issues of when to do which test, and if any, in asymptomatic or symptomatic patients, are not resolved. ...
Schwab J O - - 2001
Whether acute and direct percutaneous transluminal coronary angioplasty improves the incidence of nonsustained ventricular tachycardia in patients surviving acute myocardial infarction is not known. In 400 consecutively studied patients, Lown classification IVb on Holter monitoring was only associated with arrhythmia morbidity, whereas reduced ejection fraction was related to total and ...
Yip H K - - 2001
BACKGROUND: While coronary dissection, which is one of the most frequently occurring complications during interventional procedures, has various forms, extensive coronary dissection retrograde to the coronary sinus of Valsalva (CSV) is very rarely observed. METHODS AND RESULTS: Within the last 5 years, we retrospectively reviewed our experience with 4,700 consecutive ...
Amoroso G - - 2001
BACKGROUND: In the last decade percutaneous transluminal coronary angioplasty has become a very popular strategy for the treatment of coronary artery disease, although its efficacy in reducing ischemic events and the subsequent need for revascularization has yet to be proved. METHODS: We reviewed the latest trials that compared percutaneous transluminal ...
Delomez M - - 2001
PURPOSE: To report our experience with mechanical thrombectomy in proximal deep vein thrombosis (DVT). METHODS: Eighteen patients with a mean (+/- SD) age of 37.6 +/- 16.1 years who presented with DVT in the iliac and femoral vein (n = 3), inferior vena cava (n = 5), or inferior vena ...
Gimelli G - - 2001
Coronary artery bypass surgery and angioplasty provide symptomatic relief in patients with ischemic heart disease, but despite advancement in technique and devices, these methods are not applicable to a subset of patients with angina refractory to medical treatment. Bypass surgery might not be feasible because of lack of suitable conduits, ...
Topaz O - - 2001
The ultraviolet pulsed excimer laser (308 nm wavelength) is currently the only laser approved by the FDA for percutaneous intervention in patients with ischemic coronary artery disease. The clinical presentation of the treated patients varies from stable and unstable angina to acute myocardial infarction. Potential advantages of excimer laser revascularisation ...
Topaz O - - 2001
BACKGROUND AND OBJECTIVE: Patients presenting with acute myocardial infarction who fail to respond to standard therapy with thrombolytics or have contraindications for their use oftentimes need revascularization with a mechanical device for removal of an occlusive coronary thrombus and its underlying atherosclerotic plaque. As both thrombi and plaques absorb laser ...
Fujii H - - 2001
To investigate the acute changes in plasma oxidized low-density lipoprotein before and immediately after coronary angioplasty, we studied 132 consecutive patients who successfully underwent this procedure. Plasma oxidized low-density lipoprotein levels were significantly increased immediately after coronary angioplasty in patients with stable angina pectoris as well as in those with ...
Madyoon H - - 2001
Excimer laser coronary angioplasty (ELCA) offers a unique approach to the treatment of bifurcation lesions that continues to present a challenge in percutaneous coronary intervention. Debulking plaque prior to stenting or balloon angioplasty has demonstrated significant improvement in the treatment of bifurcation lesions. Clot dissipation properties of excimer laser combined ...
Ho D S - - 2001
Abciximab, a platelet glycoprotein IIb/IIIa receptor antagonist, prevents ischemic complications during percutaneous transluminal coronary angioplasty and was recently shown to open occluded vessels in patients with acute myocardial infarction when used alone or in combination with other thrombolytic agents. In an animal model of arterial thrombosis, abciximab was found to ...
Greenbaum A B - - 2000
Despite the deleterious and sometimes catastrophic consequences of proximal left anterior descending (LAD) artery occlusion, there is a paucity of data to guide the treatment of patients with such disease. Our aim was to describe outcomes with medical therapy, angioplasty, or left internal mammary artery (LIMA) bypass grafting in patients ...
Williams D O - - 2000
BACKGROUND: Although refinements have occurred in coronary angioplasty over the past decade, little is known about whether these changes have affected outcomes. METHODS AND RESULTS: Baseline features and in-hospital and 1-year outcomes of 1559 consecutive patients in the 1997-1998 Dynamic Registry who were having first coronary intervention were compared with ...
Garbo R - - 2000
Four patients are reported in whom concomitant obstructive thrombosis of two major coronary vessels was observed at coronary angiography during evolving myocardial infarction. In all cases the simultaneous involvement of both vessels as the cause of acute ischemia was confirmed by the results of sequential treatment of the lesions with ...
Srimahachota S - - 2000
OBJECTIVES: This study was conducted to compare the safety and initial outcomes applying reused balloon (RB) catheters with those of attained new balloon (NB) catheters when performing percutaneous transluminal coronary angioplasty. BACKGROUND: Recently, PTCA procedures have been used increasingly for the treatment of patients with coronary heart disease. In the ...
Rath P C - - 2000
Percutaneous transluminal myocardial revascularisation presently appears to be a potential palliative treatment for coronary artery disease, neither controlled with drugs nor amenable to available coronary revascularisation techniques. Ongoing trials will provide answer to short and long term efficacy. Recent developments using angiogenic growth factors appear very promising, and the role ...
Zahn R - - 2000
In patients with acute myocardial infarction (AMI) admitted at hospitals without angioplasty facilities there are some subgroups of patients which seem to profit from a transfer to primary or acute angioplasty. However, current clinical practice at such hospitals is unknown. We analyzed the pooled data of the German acute myocardial ...
Mauser M - - 2000
The 0.014 inch magnum Meier wire was used as the primary tool for recanalization of chronic total coronary artery occlusions in 230 consecutive patients treated by a single operator over a 3-year period. Exclusive use of the magnum wire resulted in an acute success rate of 80.9% in all occlusions ...
Sayre M R - - 2000
Facilitated percutaneous coronary intervention is a treatment strategy for acute myocardial infarction in which patients are given medications in the emergency department that open or partially open infarct-related coronary arteries. The patients are then taken to the cardiac catheterization laboratory for early angiography and angioplasty or placement of a coronary ...
Fuchs S - - 2000
Pre-intervention administration of abciximab in patients at "high risk" for coronary angioplasty has been shown to reduce acute and long-term cardiac outcomes. The role of intra-procedural ("rescue") administration of abciximab has not been fully elucidated. We assessed the clinical outcomes associated with rescue administration of abciximab during complex percutaneous coronary ...
Ruygrok P N - - 2000
AIMS: To report coronary angioplasty data collected by the New Zealand Coronary Angioplasty Registry from 1995-1998. METHOD: Information on all patients undergoing attempted coronary angioplasty in eight New Zealand institutions was recorded on datasheets at the time of, or soon after, the procedure. These were forwarded to the registry at ...
Stein B C - - 2000
Distal embolization is a common complication of percutaneous intervention in saphenous vein grafts. This may lead to the "no reflow" phenomenon and subsequent myocardial infarction. We describe a case in which we occluded the distal portion of a saphenous vein graft with a balloon to prevent distal embolization, performed percutaneous ...
Norgren L - - 2000
Critical limb ischaemia involves a severe disturbance of both macrocirculation and microcirculation. Provided revascularisation can be performed (balloon angioplasty, bypass procedures or other reopenings), the major pharmacological problem is to reduce the risk of early thrombosis and midterm hyperplastic growth. Adjuvant treatment for the former is useful, while the latter ...
Sütsch G - - 2000
BACKGROUND: Prevention of distal embolisation during percutaneous coronary revascularisation may be necessary to reduce postinterventional morbidity and mortality. METHODS AND RESULTS: We employed a newly developed emboli containment and retrieval system in native coronary arteries during percutaneous coronary angioplasty and stenting in 39 selected patients (mean age 58.9 +/- 10.1 ...
Dellavalle A - - 2000
BACKGROUND: In unstable angina early coronary arteriography is frequently performed, often followed by percutaneous revascularization with liberal use of stents. We intended to study the in-hospital outcome of patients receiving this treatment. METHODS: From April 1997 to April 1998, patients submitted to coronary arteriography due to unstable angina, and with ...
Chessa M - - 2000
BACKGROUND: The incidence of coarctation after stage I Norwood procedure varies between 11% and 37%, and it contributes to late death after this operation. We describe the incidence and report the results of percutaneous balloon angioplasty of neoaortic arch obstruction in patients after the modified Norwood procedure for hypoplastic left ...
Bosch J L - - 2000
OBJECTIVE: The costs of percutaneous transluminal angioplasty and stent placement for iliac artery occlusive disease in the United States were assessed and the cost-effectiveness was evaluated. MATERIALS AND METHODS: Lifetime costs and quality-adjusted life expectancy were estimated using a Markov decision model for a hypothetic cohort of patients with life-style-limiting ...
Sutton A G - - 2000
OBJECTIVE: To assess the outcome of a policy of emergency coronary angiography with or without rescue angioplasty in patients with acute myocardial infarction and ECG evidence of failed reperfusion after thrombolysis. DESIGN: A cohort study. SETTING: Regional cardiothoracic unit. PATIENTS: 197 patients with acute myocardial infarction fulfilling a simple ECG ...
Bucher H C - - 2000
OBJECTIVE: To determine whether percutaneous transluminal coronary angioplasty (angioplasty) is superior to medical treatment in non-acute coronary artery disease. DESIGN: Meta-analysis of randomised controlled trials. SETTING: Randomised controlled trials conducted worldwide and published between 1979 and 1998. PARTICIPANTS: 953 patients treated with angioplasty and 951 with medical treatment from six ...
Wallentin L - - 2000
BACKGROUND: The Fragmin and Fast Revascularisation during Instability in Coronary artery disease II trial (FRISC II) compared an early invasive with an early non-invasive strategy in unstable coronary-artery disease. We report outcome at 1 year. METHODS: 2457 patients were randomly assigned invasive or non-invasive treatment and 3 months of dalteparin ...
Parisi A F - - 2000
For patients with chronic stable angina, several randomized trials have been performed comparing medical management with surgery, medical management with angioplasty, and angioplasty with surgery. Data from the medical versus revascularization trials (either surgery or angioplasty) support the following contentions: For patients with multivessel disease, particularly involving the proximal left ...
Hussain K.M.A. - - 2000
Between January 1995 and July 1998, percutaneous transluminal coronary angioplasty was performed on 27 lesions in 24 octogenarians. Half of the patients were African American. Women comprised 67% of the study group. Patients with unstable angina and myocardial infarction constituted 54% of the cohort. Two-thirds of the patients (83%) had ...
Ng W - - 2000
We describe the case of a 66-year-old female patient in whom percutaneous transluminal coronary angioplasty and stenting was performed in an anomalous right coronary artery arising from the ascending aorta above the non-coronary sinus of Valsalva using a 6 French Judkins JL5 catheter. The patient remained symptom free at 4-months ...
Lane G E - - 2000
Elderly patients with acute myocardial infarction present a formidable therapeutic challenge. Although there appears to be a survival benefit from thrombolytic therapy for the eligible elderly patient, persistent concerns regarding the risk of intracranial hemorrhage impedes utilization in this age group. Primary or direct angioplasty of the infarct artery has ...
Sharafuddin M J - - 2000
To determine if gadolinium-enhanced magnetic resonance angiography (Gd-MRA) could be used to reliably plan percutaneous vascular procedures. Over the course of 13 months, 31 patients underwent attempted percutaneous intervention solely on the basis of a preceding Gd-MRA study. A total of 49 arterial segments were targeted (28 extremities, 21 visceral). ...
Canto J G - - 2000
BACKGROUND: There is an inverse relation between mortality from cardiovascular causes and the number of elective cardiac procedures (coronary angioplasty, stenting, or coronary bypass surgery) performed by individual practitioners or hospitals. However, it is not known whether patients with acute myocardial infarction fare better at centers where more patients undergo ...
Suzuki S - - 2000
To evaluate the suitability of two anticoagulants (heparin vs. argatroban) as adjunctive drugs during and after elective conventional percutaneous transluminal coronary angioplasty, we compared the changes in inflammatory, hemostatic, and endothelium-derived markers in groups of patients with stable angina treated with the two drugs during percutaneous transluminal coronary angioplasty. Twenty-seven ...
Conigliaro J - - 2000
BACKGROUND: Black patients undergo coronary artery bypass grafting and percutaneous transluminal coronary angioplasty less often than white patients. It is unclear how racial differences in clinical factors contribute to this variation. METHODS: A retrospective cohort study was performed of 666 male patients (326 blacks and 340 whites), admitted to 1 ...
Widimský P - - 2000
BACKGROUND: Primary coronary angioplasty is an effective reperfusion strategy in acute myocardial infarction. However, its availability is limited, and transporting patients to an angioplasty centre in the acute phase of myocardial infarction has not yet been proved safe. METHODS: The PRAGUE study (PRimary Angioplasty in patients transferred from General community ...
Gambhir D S - - 2000
Data of 67 consecutive patients who underwent stent implantation in the parent vessel and non-stent dilatation of the side branch of a true bifurcation stenosis was retrospectively analysed. The mean age was 53.2 +/- 9.7 years, with majority (89.6%) being males. Forty-seven (70.1%) lesions involved the bifurcation of left anterior ...
Yip H K - - 2000
Percutaneous transluminal coronary angioplasty was first introduced in 1977 by Gruentzig and now provides the option of nonsurgical revascularization for up to 1/2 of patients who undergo diagnostic catheterization for coronary artery disease. Today, although there have been great improvements in technology and operator experience, complications still occur during coronary ...
- - 2000
The role of primary coronary angioplasty in AMI patients presenting to the ED in cardiogenic shock or who have an absolute contraindication to fibrinolytic administration is well established. (1,2) In contrast, the role of primary angioplasty in patients with AMI eligible for fibrinolytic therapy is controversial.(3) A number of prospective ...
Mukherjee D - - 2000
Early restoration of patency of the infarct-related artery is a universally accepted goal in the treatment of acute myocardial infarction. However, even with the most successful fibrinolytic regimen only approximately 50% of patients achieve restoration of normal flow at 90 minutes. "Rescue" angioplasty, the mechanical reopening of an infarct-related artery ...
Williams M J - - 2000
BACKGROUND: Coronary artery flow is impaired after myocardial infarction but there is limited information regarding coronary flow in unstable angina. AIM: To assess baseline coronary artery flow and the effects of coronary angioplasty on coronary flow in patients with unstable angina. METHODS: Twenty-one patients with unstable angina with a culprit ...
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