Search Results
Results 301 - 350 of 775
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Mihaljević Slobodan - - 2004
Thromboembolic occlusion of peripheral arteries is a common problem in patients referred to vascular surgery departments. Standard treatments include catheter aspiration techniques, use of fibrinolytic agents and surgical thrombendarterectomy. Recent reports have described the use of hyperbaric oxygen therapy in patients with limb ischemia, yet their main focus has been ...
Yu Xianyi - - 2004
Nitric oxide (NO) serves many vasoprotective roles, but the massive release of NO causes arterial wall degeneration. We investigated whether enhanced nitric oxide synthase (iNOS) expression in peripheral blood leukocytes and circulating endothelial cells mirrors the progression of coronary arterial lesions in 55 children with acute Kawasaki disease (KD), including ...
Pigna A - - 2004
This report describes the case of two newborns who suffered unusual complications after peripheral insertion of a central venous catheter. In one baby a fragment of the catheter tip became embolized in a peripheral branch of the left pulmonary artery. In the other baby, the catheter perforated a peripheral branch ...
Zolli A - - 2004
Left untreated, peripheral arterial disease can lead to chronic leg ischaemia, causing pain, foot ulcers and gangrene, and increasing the risk of amputation. The ulcers of two patients treated with cilostazol after revascularisation healed completely
Cheung, Yiu-fai
(Uncorrected OCR) Abstract of the thesis entitled An Analysis of the Determinants of Peripheral Conduit Arterial Stiffness in Children and Teenagers in Health and Disease submitted by Yiu-fai CHEUNG for the degree of Doctor of Medicine at The University of Hong Kong in January 2004 Arterial stiffness has emerged as ...
Martens S - - 2004
BACKGROUND: Open heart surgery is associated with important risk of cerebral and peripheral organ dysfunction, attributed in part to microbubbles generated in or not eliminated from the ECC. For elimination of microbubbles, a dynamic bubble trap (DBT) was developed for the arterial line of ECCs. METHODS: Bubble eliminating properties of ...
Orito Kensuke - - 2004
We have developed an in vivo experimental model for evaluating peripheral arterial insufficiency and predicting the efficacy of drugs on intermittent claudication (IC). We found that rats that had been running normally on a treadmill developed a gait disturbance when a hindlimb artery was unilaterally occluded. We hypothesized that the ...
Sykes J E - - 2003
A case of peripheral arterial tumor embolization in a cat is described. The cat presented with signs of aortic thromboembolism, including decreased peripheral pulse quality, pallor, and coolness of the distal limbs, as well as proprioceptive deficits. Thoracic radiographs revealed a cavitary lung mass; echocardiography was unremarkable. Cytologic evaluation of ...
Mosley J G - - 2003
BACKGROUND: Athletes may present with arterial problems that are unusual in the typical patient with peripheral vascular disease. They are often handicapped only at the extremes of physical exertion and may have normal arterial pulses beyond any arterial occlusion. METHODS: A Medline search was undertaken for articles on arterial disease ...
Mackrell Peter J - - 2003
Mechanical closure devices for arterial hemostasis after angiography, such as the Perclose suture-mediated closure system, are designed to decrease time to ambulation and improve patient comfort. Although these devices are safe and efficacious, to date there has been little reported about use of the Perclose device in a cohort consisting ...
Violi F - - 2003
Peripheral arterial disease (PAD) is an important manifestation of systemic atherosclerosis that is characterized by obstruction of the arteries in the lower limbs. Experimental and epidemiological studies suggested a key role for oxidative stress in initiation and progression of the atherosclerotic process. The results of these studies provided a good ...
Nussbaum Eric S - - 2003
OBJECTIVE: To describe the management and outcomes of seven patients with fusiform aneurysms of the peripheral posteroinferior cerebellar artery (PICA). METHODS: Medical records and neuroimaging studies of seven patients who underwent surgical treatment of fusiform aneurysms of the peripheral PICA were reviewed. Average follow-up time was 1.5 years, and no ...
Kizu Akane - - 2003
The prevalence of peripheral vascular disease (PVD) in diabetic patients is manyfold higher than that of age- and sex-matched nondiabetic subjects. This study was designed to evaluate the relationship between quantitatively determined peripheral circulation in the lower extremities and arterial wall thickness or stiffness in 68 patients with type 2 ...
Bonham Phyllis Ann - - 2003
Perform this simple, noninvasive procedure for an accurate picture of lower extremity arterial perfusion in a patient with diabetes or peripheral arterial disease.
Visseren F L J - - 2003
Patients with peripheral artery disease suffer from a high incidence of ischemic vascular complications in coronary, cerebral, and peripheral vascular beds. Reduction of atherothrombotic complications with aspirin or clopidogrel has proven to be successful. The role of oral anticoagulants in patients with symptomatic peripheral artery is limited. Randomized controlled trials ...
Gunnarsson Ragnar - - 2004
Wegener's granulomatosis (WG) is a systemic granulomatous vasculitis affecting medium and small arteries, venules, and arterioles. The upper and lower respiratory tract and kidney are primarily involved. Patients with classic WG essentially present with upper airway and pulmonary involvement. Renal disease is common. Involvement of other organ systems is also ...
Gabeler Edward E E - - 2003
Photodynamic therapy (PDT) based on the photosensitive protoporphyrin IX (PpIX) may prevent restenosis after transluminal angioplasty. PpIX is synthesized in mitochondria, which differ in number and activity among various tissues. Therefore, we questioned whether the course of PpIX concentration after systemic aminolaevulinic acid (ALA) administration differed among various arteries. ALA ...
Kuvin Jeffrey T - - 2003
BACKGROUND: Abnormalities in pulse wave amplitude (PWA) have been described in subjects with atherosclerosis and may be a marker of future cardiac events. We evaluated the relationship between changes in PWA of the finger and peripheral endothelial function. METHODS: We performed measurements of PWA with a novel finger plethysmograph (peripheral ...
Hoffman Arlene F - - 2003
Arterial pathology of the lower extremity is common in the elderly. It has been the author's experience that most arterial pathology affecting the foot is caused by peripheral arterial occlusive disease, emboli, or infection. One of the most important factors determining whether healing will take place is the adequacy of ...
Walker Isobel D - - 2003
Arterial occlusion resulting from primary thrombus formation in an artery or due to embolization from a site elsewhere in the circulation is uncommon in women of childbearing age. Myocardial infarction, stroke and peripheral arterial occlusion are rare in pregnant or puerperal women. Although atherosclerosis is the most common cause of ...
van den Berg Jos C - - 2003
PURPOSE: To demonstrate the feasibility and applicability of 3-dimensional rotational angiography (3D-RA) in the assessment of candidates for endovascular treatment of occlusive or aneurysmal arterial disease. TECHNIQUE: In 3D-RA, a continuous rotation of the fluoroscopic tube around the region of interest is made while intra-arterial contrast is continuously infused. The ...
Vasquez Pedro - - 2003
Tissue ischemia, necrosis, and gangrene are uncommon but well-described complications of arterial catheterization in the neonate. Treatment options for progressive tissue necrosis following arterial embolization and/or vasospasm are limited in these patients secondary to unpredictable pharmacokinetics and risks associated with systemic anticoagulation or vasodilatation in newborns. We report a case ...
Andrikopoulos Vassilios - - 2003
Osteochondromas occasionally cause arterial complications, mainly concerning the distal superficial femoral and popliteal arteries. The authors present 11 patients (12 cases) with arterial disorders caused by exostoses who were hospitalized in their Vascular Clinic. All but 1 had signs or symptoms of peripheral arterial disease such as intermittent claudication or ...
Willens Howard J - - 2003
Abnormalities of peripheral arterial compliance are clinically useful markers of atherosclerosis and risk of vascular events. Local peripheral arterial compliance can be easily and accurately assessed in the clinic by computer-controlled pulse volume recordings (air plethysmography). The purpose of this study was to investigate the relationship between clinical cardiovascular risk ...
Sanada M - - 2003
Peripheral neuropathy due to vasculitis without any complications of vasculitis in other organs was first reported in 1987. This condition was termed non-systemic vasculitic neuropathy (NSVN). Although vasculitis is believed to develop in small arteries and arterioles in this disease, the level of vascular involvement has not been fully established. ...
Khan A M - - 2003
Cholesterol crystal embolisation is a frequently underdiagnosed condition. While coronary catheterisation is safe and commonly performed, the reported patient developed very painful trash feet after undergoing this routine procedure. Ulceration and gangrene occurred after catheter manipulation during cardiac angiography, which caused occlusion of the small arteries in his feet. The ...
Trivedi Kalyani R - - 2003
Peripheral pulmonary artery stenosis challenges therapeutic algorithms for the management of congenital heart malformations. Surgical repair of the proximal pulmonary artery lesion remains with a high recurrence rate while the distal lesions are difficult to access. With the development of transcatheter interventional strategies in the early 1980s, a number of ...
Gagne Paul J - - 2003
Ischemia of the leg in a peripartum female is an uncommon condition. Paradoxical arterial embolisation, and arterial dissection, are rarely encountered but recognized causes of this clinical condition. Peripartum cardiomyopathy is a rare life-threatening cardiac condition that can foster intracardiac thrombosis and produce peripheral vascular complications through embolization. We present ...
van Bemmelen Paul - - 2003
A case is presented of a female ex-smoker who underwent bypass or exploration of all three below-knee arteries with failed results. Three separate arteriograms, performed at other academic institutions, demonstrated progressive, severe involvement of the pedal arteries. Therefore, the patient was prepared to undergo below-knee amputation surgery for uncontrollable rest ...
de Hoon J N - - 2003
As migraine is associated with an increased risk for ischaemic stroke and peripheral vasospastic disorders, it was hypothesized that interictal vascular changes may be present in migraine patients. Using ultrasound and applanation tonometry, the cardiovascular properties of migraine patients were compared with those of matched control subjects. Vascular parameters of ...
Buschmann Ivo R - - 2003
Our current knowledge regarding the efficacy of factors stimulating collateral artery growth in the peripheral circulation primarily stems from models in small animals. However, experimental models in large sized animals are a prerequisite for extrapolation of growth factor therapy to patients with peripheral atherosclerotic obstructive disease. Therefore, we have developed ...
Müller-Hülsbeck Stefan - - 2003
Various devices have been introduced for the purpose of percutaneous mechanical thrombectomy (PMT). These devices show promise as a valuable treatment option in acute arterial thrombotic occlusions, in addition to the gold-standard surgical method, the Fogarty balloon embolectomy, and local fibrinolysis therapy. Local fibrinolytic therapy cannot be used in the ...
Goyen Mathias - - 2003
In 100 consecutive patients with peripheral vascular disease whole-body three-dimensional magnetic resonance (MR) angiography was performed by using the rolling table platform system with a 1.5-T MR unit and five three-dimensional MR angiographic data sets during 72 seconds (0.2 mol per kilogram of body weight of gadobenate dimeglumine). Apart from ...
Dillavou Ellen - - 2003
A common sign of generalized atherosclerosis, peripheral vascular disease (PVD) occurs as a result of arterial narrowing or obstruction that restricts blood flow to distal tissues. Prevalence of PVD ranges from 3% in patients age > 55, to 11% in patients age > 65, to 20% in those age 75 ...
Klein Steven S Department of Plastic and Reconstructive Surgery, Netherlands Cancer Institute/Antoni van Leeuwenhoek Hospital, Amsterdam, the - - 2003
Peripheral arterial occlusive disease or congenital anomalies of the major crural arteries may limit the use of the fibula free flap and should be detected preoperatively. Conventional selective angiography is the definitive standard imaging method for making this diagnosis, but it has drawbacks. A safer, cheaper, more accurate, and noninvasive ...
Denton Michael - - 2003
Epworth Hospital has been a leading centre for vascular surgery in Melbourne for over 30 years with a strong focus on vascular reconstruction by open surgical methods. Epworth pioneered the hybrid suite, which combined state-of-the-art imaging, and operating theatre standard suite. This development has become the benchmark for other vascular ...
Ramakrishna Gautam - - 2003
The relationship between iron status and atherosclerosis has long been a topic of debate in the literature. Despite more than 25 years of research, there is no consensus regarding a causal relationship. To date, the vast majority of studies have focused on iron burden with respect to a hypothesized role ...
Ho Vincent B - - 2003
Contrast-enhanced MRA can be an accurate and reliable method for the arterial evaluation of the abdominal aorta and peripheral vessels. This technique can be adapted for a variety of anatomic regions. The basic issues relate to proper synchronization of imaging with peak arterial enhancement and to optimization of voxel dimensions ...
Pelisek Jaroslav - - 2003
Angiogenesis and arteriogenesis play an important role in advanced vascular occlusive diseases. Whether angiogenesis or arteriogenesis predominate depends on the preexisting collateral vessel network, the type and location of occlusion, and different developmental origin of the arteries. Angiogenesis and arteriogenesis were investigated following vascular endothelial growth factor (VEGF) treatment in ...
Chan Christopher T - - 2003
A 42-year-old man with end-stage renal disease (ESRD) was referred for conversion to nocturnal hemodialysis (NHD) therapy from conventional hemodialysis (CHD) therapy because of refractory intermittent claudication secondary to peripheral arterial disease (PAD). The patient was initiated on CHD therapy in 1976 and subsequently had undergone two unsuccessful renal transplantations. ...
Elsharawy M - - 2002
BACKGROUND: With the technologic advancement in vascular ultrasound imaging, surgeons are now encouraged to perform their own examinations. Vascular surgeons run the vascular laboratory in the Suez Canal University hospital. The aim of this study is to determine the efficiency and advantages of arterial duplex scanning performed by the surgeon. ...
Nikol Sigrid - - 2002
PURPOSE: To use local gene delivery to determine any district-specific influence of vascular endothelial growth factor (VEGF(165)) on angiogenesis and arteriogenesis in arteries of distinct developmental origin. METHODS: Coronary and peripheral arteries were chronically occluded in 30 Pietrain pigs using a percutaneous approach and blinded stent-graft. DNA was delivered to ...
Kamimura Motohiro - - 2002
Peripheral arterial disease (PAD; arteriosclerosis obliterans) shows ischemic symptoms along the peripheral arteries due to reduced blood flow, and the number of patients with PAD is increasing. Several papers have reported on the clinical effect of low-density lipoprotein apheresis (LDL-A) on PAD, but there has been no report so far ...
Humeau Anne - - 2002
In order to improve peripheral arterial occlusive diseases (PAOD) diagnoses, five de-noising algorithms based on a multiresolution analysis computed with wavelets are applied on reactive hyperemia signals obtained with the laser Doppler flowmetry technique. Results are presented on recordings acquired on patients suffering from PAOD and on healthy subjects.
Khan Faraz A - - 2002
PURPOSE: To retrospectively review the incidence and types of arterial problems associated with dysfunctional hemodialysis grafts in patients who are at high risk for peripheral arterial disease. MATERIALS AND METHODS: During the 1-year period from February 2001 to February 2002, 40 patients with polytetrafluoroethylene hemodialysis grafts underwent upper extremity arteriography ...
Coche Emmanuel - - 2003
Our objective was to analyze the peripheral pulmonary arteries using thin-collimation multi-slice spiral CT. Twenty consecutive patients underwent enhanced-spiral multi-slice CT using 1-mm collimation. Two observers analyzed the pulmonary arteries by consensus on a workstation. Each artery was identified on axial and 3D shaded-surface display reconstruction images. Each subsegmental artery ...
Burkart David J - - 2002
PURPOSE: To prospectively assess the feasibility, risk profile, and effect on fibrinogen levels of tenecteplase in transcatheter thrombolysis for peripheral arterial and venous occlusive disease. MATERIALS AND METHODS: Between March 2001 and January 2002, 18 consecutive patients (14 men, four women) with arterial (n = 13) or venous (n = ...
Ouriel Kenneth - - 2002
Acute peripheral arterial occlusion occurs as a result of thrombosis or embolism. A reduction in the prevalence of rheumatic heart disease accounts for a shift in the frequency of embolic to thrombotic occlusions. Also, a dramatic increase in the number of lower extremity arterial bypass graft procedures explains the predominance ...
Rossi Peter J - - 2002
Spontaneous embolization resulting in peripheral arterial occlusion remains a significant cause of morbidity and limb loss. Accurate localization and correction of the embolic source is paramount for the prevention of further episodes and for the preservation of long-term patency and limb salvage. Common well-recognized embolic sources include intracardiac thrombus or ...
Nikol S - - 2002
Clinical trials have demonstrated therapeutic benefit in inducing angiogenesis in chronic occlusive arterial disease. The route of application mostly used was the intramuscular injection of high dosages of plasmid. Therefore, a local perivascular application of low amounts of vascular endothelial growth factor (VEGF) plasmid was used in an interventional occlusion ...
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