Search Results
Results 301 - 350 of 784
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Schirmer Stephan H - - 2004
In the course of peripheral artery occlusive disease, blood flow to peripheral tissue progressively decreases in a substantial portion of patients, leading to insufficient oxygenation and to the occurrence of claudication or critical limb ischemia. Arteriogenesis (collateral artery growth) is a powerful natural mechanism by which large conductance vessels develop ...
Manfredini Roberto - - 2004
The authors report the case of a 42-year-old female mild smoker admitted to the Hospital of Ferrara for the onset of asymptomatic necrotic ulcerations localized to the second, third, and fourth toes of left foot. Physical examination showed asphygmia of inferior limb distal peripheral pulses, with localized extremity marbleized and ...
Ferreira Isabel - - 2004
Central and peripheral fatness seem to confer opposite (i.e. adverse vs. protective) effects on cardiovascular risk, but how this occurs is not clear. In addition, the role of peripheral lean mass needs to be elucidated. We therefore investigated, in 336 (175 women) 36-yr-old and apparently healthy adults, the relationship between ...
Ozdemir Ozcan - - 2004
Atherothrombosis is a generalized disease process that affects large- and medium-diameter arteries throughout the arterial tree. In this study, we aimed to evaluate the correlation between collaterals in different vascular beds. Patients who had undergone digital subtraction angiography for symptomatic lower extremity peripheral arterial disease and coronary angiography after an ...
Niezgoda Jeffrey A - - 2004
Although wound care therapy has made significant advances in the past several years, clinicians encounter dilemmas on a day-to-day basis. One of these dilemmas is managing ischemic wounds. Certain characteristics (ischemic appearance, a history of a lack of healing, physical examination that finds no pulses, or a transcutaneous oxygen evaluation ...
Shankar V K - - 2004
We undertook this study to determine whether changes in blood coagulability associated with peripheral arterial occlusive disease are due to contact with the atherosclerotic arterial wall or passage through distal ischemic tissue. Thirty patients with peripheral arterial occlusive disease undergoing angiography participated in the study. Ankle-brachial pressure index was recorded ...
John L R - - 2004
A forward mathematical model of the human arterial system, based on an electrical transmission line analogy, has been developed, using a new method for the calculation of peripheral impedance. Simulations of the human arterial system under normal and stenotic arterial conditions were compared with other published simulations, as well as ...
Wang J J - - 2004
The propagation of the arterial pulse wave in the large systemic arteries has been calculated using a linearised method of characteristics analysis to follow the waves generated by the heart. The model includes anatomical and physiological data for the 55 largest arteries adjusted so that the bifurcating tree of arteries ...
Goor Daniel A - - 2004
BACKGROUND: Mental stress testing is considered a reliable method for diagnosing patients with coronary heart disease (CHD) who may be at risk for future events. It has been shown recently that myocardial ischemia induced during mental stress tests is specifically associated with peripheral arterial vasoconstriction. HYPOTHESIS: The study was undertaken ...
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. ...
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