StenosisBypassCarotid arteryLarge arteriesRevascularizationClinicalStentsRenal arteriesVeinsInterventionArterialLower extremityDiseaseDistalIliacStentingAngiographyOcclusiveOcclusionLumenAtheroscleroticPulmonaryCardiacMyocardialClinicallyEndothelialPatientsMeasurementsLesions2019Experimental2021BloodCommonDiabetesHighCellsStudyNormal
Stenosis19
- The effect of semiemergent percutaneous transluminal coronary angioplasty on clinical and electrocardiographic (ECG) variables was assessed in 76 patients with unstable angina secondary to an isolated severe proximal left anterior descending coronary artery stenosis. (elsevierpure.com)
- Angioplasty was successful in 70 patients (92%), resulting in a reduction in luminal diameter stenosis from 91 ± 8% to 21 ± 6%, with no major acute procedure-related complications observed. (elsevierpure.com)
- They are rarely if ever observed during angiography in the absence of severe ischemia (vessels less than 200 micrometers are not visible, generally), and only coronary stenosis, anemia, and exercise have experimentally been shown to cause transformation. (wikipedia.org)
- Such factors include vessels of smaller caliber, the higher propensity for spasm, the risk of infection, children's capability to rapidly develop collateral circulation, the inevitability of growth, and the strong tendency for stenosis and growth arrest to occur. (medscape.com)
- Plouin PF, Bax L. Diagnosis and treatment of renal artery stenosis. (medscape.com)
- Primus C, Auer J. Bilateral renal artery stenosis in a young man. (medscape.com)
- Derakhshesh MI, Joye E, Yager N. Unilateral renal artery stenosis causing hypertensive flash pulmonary oedema. (medscape.com)
- When and How Should We Revascularize Patients With Atherosclerotic Renal Artery Stenosis? (medscape.com)
- Association of renal artery stenosis with aortic jet velocity in hypertensive patients with aortic valve sclerosis. (medscape.com)
- Assessment of renal artery stenosis severity by pressure gradient measurements. (medscape.com)
- Is race a risk factor for the development of renal artery stenosis? (medscape.com)
- Progression of renal artery stenosis in patients undergoing cardiac catheterization. (medscape.com)
- Assessment and Management of Transplant Renal Artery Stenosis. (medscape.com)
- Transplant Renal Artery Stenosis: Underrecognized, Not So Rare, but Curable Complication. (medscape.com)
- INTRODUCTION: Renal artery stenosis (RAS) is a significant reason for secondary hypertension. (bvsalud.org)
- Drug-coated balloon (DCB) has been proven to be effective in restenosis prevention in femoropopliteal arterial diseases and in patients with renal artery stenosis. (bvsalud.org)
- At the initial degree of IA stenosis up to 50% and 50-69%, patients should be recommended to correct any risk factors (primarily diabetes, smoking, hypercholesterolemia, arterial hypertension), and to undergo duplex scanning of the brachiocephalic arteries with a frequency of 1-2 times a year. (angiol.ru)
- Changes in the structural and functional parameters of the internal jugular veins with varying degrees of stenosis of the carotid arteries were studied in fragments. (angiol.ru)
- To study the venous outflow through the internal jugular veins at different degrees of the internal carotid arteries stenosis. (angiol.ru)
Bypass4
- 48 h) coronary artery bypass surgery and three patients experienced a myocardial infarction (before bypass surgery in two). (elsevierpure.com)
- Severe PAD usually requires angioplasty or surgical bypass and may require amputation. (msdmanuals.com)
- An IABP may be placed in the emergency department (ED) as a bridge to percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG), to decrease myocardial workload, and to improve end-organ perfusion. (medscape.com)
- CABG, coronary artery bypass graft surgery. (clinicalgate.com)
Carotid artery3
- This was a landmark event because for the first time, carotid stenting, at least in the United States, qualified as a standard-of-care treatment and was no longer investigational or experimental for the majority of patients with carotid artery disease. (clinicalgate.com)
- Earlier in [2004], the FDA had approved carotid artery stenting [CAS] for high CEA risk patients). (clinicalgate.com)
- Realizing the potential of carotid artery stenting: proposed paradigms for patient selection and procedural technique. (clinicalgate.com)
Large arteries1
- Atherosclerosis Atherosclerosis is characterized by patchy intimal plaques (atheromas) that encroach on the lumen of medium-sized and large arteries. (msdmanuals.com)
Revascularization3
- Early and definitive restoration of coronary blood flow (ie, early revascularization) is the most important intervention for achieving an improved survival rate. (medscape.com)
- An early revascularization strategy with either PCI or CABG, in collaboration between cardiologists and surgeons, is recommended for appropriate patients with suspected cardiogenic shock related to acute coronary syndrome (eg, those with uncertain neurologic status, those who received previous fibrinolysis), regardless of the time delay from MI onset. (medscape.com)
- Revascularization with percutaneous transluminal angioplasty (PTA) is a viable treatment option. (bvsalud.org)
Clinical2
- The clinical value of FFR for coronary physiology was derived from a collection of multiple prospective, randomized controlled trials with outcomes data. (clijournal.com)
- The system has been validated and used for clinical measurements extensively in coronary vasculature. (clijournal.com)
Stents4
- Significant advances have been made with new generation stents to further improve the results of percutaneous coronary intervention (PCI) and outcomes for patients. (icrjournal.com)
- 6 Atypical coronary arteries and presentations such as these continue to pose a challenge today in PCI with current balloon-expandable stents. (icrjournal.com)
- This article examines whether self-expandable stents could address some of these issues and provide an alternative solution in the treatment of atypical coronary anatomy. (icrjournal.com)
- Vessel lumen sizes are often variable, whereas balloon-expandable stents are tubular by nature. (icrjournal.com)
Renal arteries1
- Stenting atherosclerotic renal arteries: time to be less aggressive. (medscape.com)
Veins2
- Pediatric vascular disease consists of conditions that are caused by abnormal development of arteries, veins, or other blood vessels. (medscape.com)
- Neoplasms located in the vasculature system, such as ARTERIES and VEINS. (lookformedical.com)
Intervention2
- Invasive hemodynamic measurements were obtained using the Navvus microcatheter at baseline and before and after each specific intervention (angioplasty and/or directional atherectomy) without and then with hyperemia using intra-arterial adenosine. (clijournal.com)
- Hence, before an informed decision on a treatment option can be made (surgery or percutaneous intervention), it is critically important for patients and physicians to have a good understanding of the operator as well as the center's procedural and 30-day experience and outcomes. (clinicalgate.com)
Arterial1
- Schaper summarizes the status-2009 knowledge of coronary collateral transformation in a recent review: "Following an arterial occlusion outward remodeling of pre-existent inter-connecting arterioles occurs by proliferation of vascular smooth muscle and endothelial cells. (wikipedia.org)
Lower extremity1
- Given the above-mentioned limitations of the .014˝ pressure wire platforms and the nature of peripheral lesions, the Navvus microcatheter may have utility in the lower extremity circulation for assessment of hemodynamics. (clijournal.com)
Disease6
- This study demonstrates that ECG changes may persist for up to 7 months in patients who undergo successful angioplasty for severe left anterior descending coronary artery disease and unstable angina. (elsevierpure.com)
- The vast majority of the data on vascular reconstructive surgery in pediatric patients come from experience with access for hemodialysis, right ventricular outflow obstruction, middle aortic (midaortic) syndrome, renal artery occlusive disease and hypertension, and iatrogenic vascular trauma. (medscape.com)
- Prognosis is generally good with treatment, although mortality rate is relatively high because coronary artery or cerebrovascular disease often coexists. (msdmanuals.com)
- Overview of Coronary Artery Disease Coronary artery disease (CAD) involves impairment of blood flow through the coronary arteries, most commonly by atheromas. (msdmanuals.com)
- to study the natural history of atherosclerotic lesions of the innominate artery (IA) and to identify factors influencing the disease progression. (angiol.ru)
- Modified from Brott TG, Halperin JL, Abbara S, et al: ASA/ACCF/AHA/AANN/AANS/ACR/ASNR/CNS/SAIP/SCAI/SIR/SNIS/SVM/SVS guideline on the management of patients with extracranial carotid and vertebral artery disease: executive summary. (clinicalgate.com)
Distal1
- It involves sizing the stent to the distal vessel and then overinflating the proximal segment of the stent with an oversized balloon in a two-step process. (icrjournal.com)
Iliac1
- Compression of the left common ILIAC VEIN by the right common ILIAC ARTERY against the underlying fifth LUMBAR VERTEBRA is the typical underlying malformation. (lookformedical.com)
Stenting1
- 2 Restenosis and MACE rates after PCI of saphenous vein grafts (SVGs) or bifurcations are also higher than in simple stenting of a native artery. (icrjournal.com)
Angiography1
- Twelve of these 16 patients with a prolonged QT interval had nonocclusive thrombus formation and poor collateral circulation on angiography. (elsevierpure.com)
Occlusive1
- This is initiated by deformation of the endothelial cells through increased pulsatile fluid shear stress (FSS) caused by the steep pressure gradient between the high pre-occlusive and the very low post-occlusive pressure regions that are interconnected by collateral vessels. (wikipedia.org)
Occlusion1
- Most observers agree that a 90% occlusion is necessary to bring about transformation in the absence of other factors, though a recent article suggests that they may appear as a result of coronary spasm in the absence of total occlusion (see below). (wikipedia.org)
Lumen1
- Microscopic collateral vessels of the heart undergo a process called transformation that widens the vessel lumen at the expense of its cell wall in response to myocardial stresses-specifically, myocardial spasm and hypoxia secondary to myocardial infarction or acutely stressful exercise. (wikipedia.org)
Atherosclerotic2
- Beloyartsev D.F., Polyansky D.V., Adyrkhaev Z.A., Timina I.E. Natural history of atherosclerotic lesions of the innominate artery. (angiol.ru)
- In the progression of atherosclerotic lesions of the brachiocephalic arteries, disturbances occur interdependently in the venous system, its extra- and intracranial sections. (angiol.ru)
Pulmonary2
- Although not necessary for the diagnosis of cardiogenic shock, invasive monitoring with a pulmonary artery catheter may be helpful in guiding fluid resuscitation in situations in which left ventricular (LV) preload is difficult to determine. (medscape.com)
- Pulmonary artery catheter pressure measurements may also be useful in prognosis. (medscape.com)
Cardiac1
- Pathological processes involving any of the BLOOD VESSELS in the cardiac or peripheral circulation. (lookformedical.com)
Myocardial1
- and in vasoconstricted arteries such as in ST-segment elevation myocardial infarction or chronic total occlusions. (icrjournal.com)
Clinically1
- And PTA for Renal artery fibromuscular dysplasia is safe and clinically successful. (bvsalud.org)
Endothelial1
- The native collaterals are small vessels, with a narrow endothelial lining, a layer or two of smooth muscle, and a variable amount of elastic tissue. (wikipedia.org)
Patients4
- In contrast, prolongation of the corrected QT interval, which was present in 16 patients (8%), normalized within 48 h of successful angioplasty. (elsevierpure.com)
- Angiographic evidence of restenosis was present in 34% of patients, all of whom underwent a successful second or third procedure. (elsevierpure.com)
- Wall motion abnormalities had completely resolved in 13 of 15 patients who underwent repeat ventriculography, at which time 10 had a normal ECG. (elsevierpure.com)
- To compare the care provided to infarcted patients submitted to Bruna Eduarda Schreiner de angioplasty before and during the COVID-19 pandemic. (bvsalud.org)
Measurements1
- The use of invasive hemodynamic measurements such as fractional flow reserve (FFR) and the instantaneous wave-free ratio (iFR) have revolutionized coronary interventions. (clijournal.com)
Lesions1
- This technique is particularly common in the treatment of bifurcation lesions, especially of the left main coronary artery (LMCA). (icrjournal.com)
20191
- 0000-0002-8912-8902 angioplasties by 11.46% from 2019 to 2021, with a consequent increase in nursing and multidisciplinary care during the COVID-19 pandemic. (bvsalud.org)
Experimental2
- The functional significance of the coronary collateral vessels is a matter of continuing experimental investigation although their existence has been known for over three centuries and been documented repeatedly in man and beast over the past seven decades. (wikipedia.org)
- Eighty-four eligible participants will be assigned randomly in a 1:1 ratio to the control group (plain old balloon, POB) and the experimental group (DCB). (bvsalud.org)
20211
- Circulation 113:2021-2030, 2006. (clinicalgate.com)
Blood1
- Collateral or anastomotic blood vessels also exist even when blood supply is adequate to an area, and these blood vessels are often taken advantage of in surgery. (wikipedia.org)
Common2
- Symptomatic Takayasu arteritis involving both common carotid arteries in a 7-year-old child. (medscape.com)
- The most common technology to perform FFR in the coronary vessels is via the use of a .014˝ diameter pressure wire. (clijournal.com)
Diabetes1
- The status of the coronary collaterals has also been shown to be influenced by the presence of diabetes mellitus. (wikipedia.org)
High1
- Semiemergent angioplasty was associated with a high initial success rate and excellent long-term outcome. (elsevierpure.com)
Cells1
- This leads to attraction and activation of monocytes and T-cells into the adventitial space (peripheral collateral vessels) or attachment of these cells to the endothelium (coronary collaterals). (wikipedia.org)
Study1
- The DCB used in this study will be a paclitaxel-coated balloon (Orchid, Acotec Scientific Holdings Limited, Beijing, China). (bvsalud.org)
Normal2
- Coronary collateralization is considered a normal response to hypoxia and may be induced, under some circumstances, by exercise. (wikipedia.org)
- Coronary collateralization exists latently in the normal heart. (wikipedia.org)