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Results 301 - 350 of 1757
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Akkus Nuri I - - 2013
Peripheral arterial disease involvement of the superficial femoral artery (SFA) is common. Different endovascular techniques are used successfully for revascularization of this artery. A retrograde approach to chronic total occlusion (CTO) of the SFA through the ipsilateral popliteal artery has been used occasionally if an antegrade approach is not feasible ...
van Ooij P J A M - - 2013
When breathing oxygen with partial oxygen pressures [Formula: see text] of between 50 and 300kPa pathological pulmonary changes develop after 3-24h depending on the [Formula: see text] . This kind of injury (known as pulmonary oxygen toxicity) is not only observed in ventilated patients but is also considered an occupational ...
Lee Michael S - - 2013
Vascular access plays a critical role in the success of percutaneous coronary intervention (PCI). Transradial access is more commonly implemented in Europe compared to the United States, although it has increased in the United States over the past several years. Given that the radial artery is more superficial than the ...
Emmert Maximilian Y - - 2013
Endovascular occlusion of blood vessels is an important part of interventional therapy concepts. Here, we evaluate the feasibility, procedural safety and efficacy of the novel endovascular occlusion system (EOS) in the arterial system in a porcine model. Thirteen devices were deployed in the iliac and femoral arteries (diameter: 4-5 mm) ...
Garbey Marc - - 2013
Adaptation of vein bypass grafts to the mechanical stresses imposed by the arterial circulation is thought to be the primary determinant for lesion development, yet an understanding of how the various forces dictate local wall remodeling is lacking. We develop a dynamical system that summarizes the complex interplay between the ...
Ansari Farzana - - 2013
The purpose of this study was to review the available literature regarding the biomechanics of the superficial femoral artery (SFA) and popliteal artery (PA) in patients with peripheral arterial disease (PAD). Stents are one of many available therapies used to treat patients with PAD. Because stents are permanent implants, they ...
Ikenaga Shigeru S Department of Surgery and Clinical Science, Yamagchi University School of Medicine, Yamaguchi, - - 2014
We describe a rare case of an ascending aortic pseudoaneurysm 31 years after mitral valve replacement with a Björk-Shiley mechanical valve. The aneurysm presumably expanded gradually during the years following surgery. As the valve was functioning normally, it was left in situ while the ascending aorta was replaced. This report ...
Kim Kwang Seog - - 2013
Abstract We successfully reconstructed a large defect that had been created by resection of an unstable, contracted, and hypertrophic scar with a chronic ulcer on the lower sternal area of a 67-year-old man. We used bilateral V-Y advancement flaps based on internal mammary artery perforators.
Dahdouh Ziad - - 2013
Iatrogenic aortic or coronary dissections are well known complications in the field of interventional cardiology. They are the most dreadful situations, often with terrible consequences. We present herein a case of bidirectional dissection to the right coronary artery and to the ascending aorta during a transcatheter aortic valve implantation procedure.
Hori Daijiro D Department of Cardiovascular Surgery, Fujigaoka Hospital, Showa University, Kanagawa, - - 2013
A 73-year-old man with 2-vessel coronary artery disease underwent a staged percutaneous coronary intervention that resulted in rupture of the right coronary artery and pseudoaneurysm formation. Although the pseudoaneurysm regressed over a week, it reexpanded after a year. Resection of the pseudoaneurysm and coronary artery bypass grafting were performed. The ...
Gould Sarah T - - 2013
This review highlights aspects of calcific aortic valve disease that encompass the entire range of aortic valve disease progression from initial cellular changes to aortic valve sclerosis and stenosis, which can be initiated by changes in blood flow (hemodynamics) and pressure across the aortic valve. Appropriate hemodynamics is important for ...
Carabello Blase A - - 2013
Aortic stenosis is perhaps the most common of all valvular heart diseases in the developed nations of the world. Once primarily caused by rheumatic fever, the most common pathogenesis today is an active inflammatory process with some features that are similar to atherosclerosis. Because of this shift, the age at ...
Li-Fei Wu - - 2013
Carotid endarterectomy(CEA)has been proved to be an effective surgery to treat the cerebral ischemia caused by carotid atherosclerotic stenosis. However,there is still no effective mean for the early diagnosis of the CEA-related severe complications such as stroke and death. Many studies have explored the potential biomarkers for stroke alert,although there ...
Ahmad Rashidi - - 2013
Peripheral vascular injuries result from penetrating or blunt trauma to the extremities. We describe here an unusual cause of a radial artery injury by the spine from the pectoral fin of Pangasius sutchi in a 51 year-old man and we review the literature.
Klinger James R - - 2013
Nitric oxide (NO) signaling plays a major role in modulating vascular tone and remodeling in the pulmonary circulation, but its role in the pathogenesis of pulmonary vascular diseases is still not completely understood. Numerous abnormalities of NO synthesis and signaling have been identified in animal models of pulmonary vascular disease ...
Li Xuebiao - - 2013
Since 2002, transapical aortic valve replacement has been developed as a clinical pathway for transcatheter aortic valve implantation (TAVI). However the appropriate role of TA in the AS population versus TF remains unclear. We performed a meta-analysis to assess if TF has any benefit in reduction of 30-day clinical complications ...
Bahls Martin - - 2013
The heterogeneous progression of atherosclerotic disease in the peripheral arteries is currently not well understood. In humans, artery specific disease progression is partly attributed to the local hemodynamic environments. However, despite similar hemodynamic environments, porcine brachial arteries are protected while femoral arteries are highly susceptible to advanced lesion formation. The ...
Nazer Babak - - 2013
As radial artery pseudoaneurysm (PA) is a rare complication of transradial catheterization, data on their management are sparse. Here, we report the case of a 77-year-old woman who underwent right transradial diagnostic cardiac catheterization, and subsequently developed a symptomatic PA. She underwent initial treatment with 20 minutes of mechanical compression ...
Troisi Nicola - - 2013
Mycotic aortic aneurysm is a not-so-rare condition and its modalities of treatment are still debated. Graft detachment represents a catastrophic complication after open repair of an abdominal aortic aneurysm. The dehiscence of a graft may have several causes, such as infection, fatigue of materials, and progression of the disease. In ...
Ballard-Croft Cherry - - 2013
We are developing a venovenous perfusion-induced systemic hyperthermia (vv-PISH) system for advanced cancer treatment. The vv-PISH system consistently delivered hyperthermia to adult healthy swine, but significant pulmonary hypertension developed during the heating phase. The goal of this study was to develop a method to prevent pulmonary hypertension. We hypothesized that ...
Roussel Arnaud - - 2013
Peripheral venoarterial extracorporeal membrane oxygenation support provides prolonged support in the event of acute or acute-on-chronic cardiac and/or respiratory failure. This support serves as a bridge to recovery, decision-making, heart transplantation or ventricular-assist device implantation. It can be implanted either through a percutaneous approach using Seldinger's technique or via an ...
Barbanti Marco - - 2013
Vascular complications are still an important cause of morbidity and mortality with transcatheter aortic valve replacement. The aim of the present review is to review some of the recent developments and techniques, which have resulted in a reduction in the risk of vascular complications during transfemoral transcatheter aortic valve replacement.
Byrom Michael J - - 2013
No currently available conduit meets the criteria for an ideal coronary artery bypass graft. The perfect conduit would combine the availability and complication-free harvest of a synthetic vessel with the long-term patency performance of the internal mammary artery. However, current polymer conduits suffer from inelastic mechanical properties and especially poor ...
Vallely Michael P - - 2013
Bilateral internal mammary artery (BIMA) grafts are used for coronary revascularisation by only a minority of surgeons, despite a growing body of evidence suggesting improved survival when compared to use of only one internal mammary artery with additional saphenous vein grafts. Herein we review the evidence supporting revascularisation with BIMA ...
He Guo-Wei - - 2013
In comparison with standard saphenous vein grafts, use of the internal mammary artery (IMA) as a coronary artery bypass graft has achieved superior long-term results. This is related to the differences in the biological characteristics between the venous and arterial grafts. However, even arterial grafts are not uniform in their ...
Blitz Arie - - 2013
The radial artery (RA) has emerged as an important arterial graft for coronary bypass surgery. With improving five-year patency rates and increasing uptake, great attention has been focused on the optimal conduit harvesting technique. We herein present our approach to RA harvesting. Prerequisites of a successful harvest include adherence to ...
Navia José L - - 2013
Development and adoption of endoscopic minimally invasive saphenous vein harvesting prompted its application to the radial artery in an effort to minimize surgical trauma. Recently, we reported that endoscopic radial artery harvesting was associated with better wound appearance and it proved to be safe and effective, with less pain and ...
Elefteriades John A - - 2013
This chapter will provide a practical look at the rapidly evolving field regarding the genetics of thoracic aortic aneurysm. It will start with a look at the history of the genetics of thoracic aortic aneurysm and will then move on to elucidating the discovery of familial patterns of thoracic aortic ...
Keikhosravy Kamyar - - 2013
In this work, the use of backscattering for telemonitoring of in-stent restenosis in two different types of stents, namely, conventional and antenna stents, is investigated. Various aspects of the telemonitoring approach including power consumption and reliability are studied and confirmed with in-vitro measurements. Experimental results confirm that the antenna stent ...
Gandhi Sunny J SJ Department of Nuclear Medicine and PETCT, Amrita Institute of Medical Sciences, Kochi, Kerala, - - 2013
Tc-99m macro aggregated albumin (MAA) is synonymous for lung perfusion scintigraphy and is part of the study in the evaluation of pulmonary thromboembolism. We wanted to highlight the utilities of Tc-99m MAA other than pulmonary embolism as a pictorial assay. Patients referred for Tc-99m MAA scintigraphy under various indications were ...
Mall Nathan A NA Department of Orthopaedic Surgery, Division of Sports Medicine, Rush University Medical Center, Chicago, - - 2013
Paget-Schroetter is a rare diagnosis in the general population; however, it is more common in younger, physically active individuals. Clinicians must be familiar with the symptoms, physical examination, and initial imaging and treatment to expedite care and prevent possible life-threatening complications. Urgent referral to a regional specialist may improve the ...
Aggarwal Saurabh S Pulmonary Disease Program, Vascular Biology Center, Georgia Health Sciences University, Augusta, Georgia, - - 2013
The pathogenesis of pulmonary hypertension is a complex multifactorial process that involves the remodeling of pulmonary arteries. This remodeling process encompasses concentric medial thickening of small arterioles, neomuscularization of previously nonmuscular capillary-like vessels, and structural wall changes in larger pulmonary arteries. The pulmonary arterial muscularization is characterized by vascular smooth ...
Talwar Sachin S Cardiothoracic Centre, All India Institute of Medical Sciences, New Delhi, - - 2013
We report a 6-year-old girl with anomalous origin of the right pulmonary artery from the aorta associated with a large ventricular septal defect. The challenges in the assessment of operability and issues in the surgical management are discussed.
Rosa G M - - 2013
Several studies have been carried out on vulnerable plaque as the main culprit for ischaemic cardiac events. Historically, the most important diagnostic technique for studying coronary atherosclerotic disease was to determine the residual luminal diameter by angiographic measurement of the stenosis. However, it has become clear that vulnerable plaque rupture ...
Walters Andy - - 2013
This article discusses the appearance of the "aortic nipple" in chest radiography, and reviews the embryology and anatomy of the left superior intercostal vein which causes the appearance of an "aortic nipple." This radiological sign is useful in differentiating certain thoracic pathologies, such as pneumomediastinum, pneumopericardium, and medial pneumothorax. Pneumomediastinum ...
Mair K M - - 2013
Pulmonary arterial hypertension (PAH) is a complex disease characterised by elevated pulmonary arterial pressure, pulmonary vascular remodelling and occlusive pulmonary vascular lesions, leading to right heart failure. Evidence from recent epidemiological studies suggests the influence of gender on the development of PAH with an approximate female to male ratio of ...
Samara Osama - - 2013
We report the case of a 62-year-old woman who presented with a one-month history of a pulsatile mass, with no antecedent trauma or intervention. Imaging showed a large pseudoaneurysm (PSA) of the distal portion of the left superficial femoral artery. The PSA was treated successfully with endovascular placement of covered ...
Tian Xueying - - 2013
Coronary arteries bring blood flow to the heart muscle. Understanding the developmental program of the coronary arteries provides insights into the treatment of coronary artery diseases. Multiple sources have been described as contributing to coronary arteries including the proepicardium, sinus venosus (SV), and endocardium. However, the developmental origins of coronary ...
Weidman Jenna M - - 2013
Endovascular treatments for catastrophic aortic conditions have gained increasing popularity over the past 20years. Originally developed for abdominal aortic aneurysms (EVAR), treatment has been modified for use in thoracic aortic repair (TEVAR). As expanding numbers of patients with increasingly intractable conditions and more hostile anatomies are treated, endovascular stent designs ...
Kocak Burak - - 2013
Posterior communicating artery (PCoA) itself is an unusual location for intracranial aneurysms in that isolated dissections or dissecting aneurysms are extremely rare. In the way of correct diagnosis of dissecting aneurysms of PCoA itself, a proper understanding of (1) the anatomy of the PCoA and its perforator branches, (2) some ...
Anagnostopoulou Sophia - - 2013
PURPOSE: There is wide variability of the location of the superior thyroid artery (STA). Our purpose was to describe variations of the STA origin, with great respect to different anatomical patterns which could be observed in humans. METHODS: The material was 68 formalin-embalmed adult cadavers of both sexes (45-70-year-old). Methodologically, ...
Tashiro Tadashi - - 2013
In coronary artery bypass grafting (CABG), coronary artery anastomosis is generally performed under cardiac arrest using cardiopulmonary bypass (CPB). To avoid the invasiveness of CPB, off-pump coronary artery bypass (OPCAB) is currently also used. In Japan, in particular, OPCAB now accounts for 60 % of all CABG operations and has become ...
Lee King Chien Joe - - 2013
To provide a critical contemporary review of daily PDE5-inhibitor (PDE5-I) use in urological and nonurological conditions. PDE5-Is can be taken up to once a day. However, at present only tadalafil is approved for use in both erectile dysfunction (ED) and benign prostate hyperplasia (BPH) with lower urinary tract symptoms (LUTS). ...
Rubin Lewis J - - 2013
It has been axiomatic since the early clinical trials with epoprostenol (1,2) that drugs having efficacy treating Pulmonary Arterial Hypertension (PAH) have no clear beneficial effects in treating Pulmonary Hypertension due to left-sided heart disease, and may actually be deleterious. While dysfunction of the three major endothelial-derived pathways targeted by ...
Fukuda Keisuke - - 2013
A 68-year-old female with total occlusion of the bare metal stent in the left superficial femoral artery was treated by placement of three drug-eluting stents (DESs). Acute thrombosis developed on the next day. Thrombosis in the left popliteal artery to anterior tibial artery was found. An additional stent was placed ...
Wardle A J - - 2013
In recent times, paediatric pulmonary arterial hypertension management has been transformed to focus on disease modifying strategies that improve both quality of life and survival, rather than just symptom palliation. Sildenafil, a phosphodiesterase-V inhibitor, has been at the centre of this. Despite controversial beginnings, its success in treating pulmonary arterial ...
Igarashi Takashi - - 2013
Aortic repair for severely atheromatous aneurysm remains a challenge. We used an intermittent clamp technique for all visceral arteries during thoracic endovascular aortic repair (TEVAR) for a thoracic aortic aneurysm with a "shaggy aorta" to prevent systemic thromboembolism. In addition, we applied an extracorporeal circulation circuit to trap the thrombi ...
Gallo Michele - - 2013
Tissue engineering of heart valves investigates the possibility to create a fully compatible and biomimetic graft able to provide host cell repopulation like the native living valve. Decellularized aortic and pulmonary valves and synthetic polymers have been used to promote the creation of a native-like scaffold suitable to be colonized ...
Ferrari Enrico - - 2013
Traditionally, the transcatheter aortic valve replacement is performed through a transapical, a transfemoral or a trans-subclavian approach. Recently, the transaortic approach for transcatheter aortic valve replacement through the distal part of the ascending aorta was successfully implemented in order to avoid peripheral vascular access-related complications and apical life-threatening haemorrhage. The ...
Chaumais Marie-Camille - - 2013
Introduction: Sildenafil citrate is a potent, selective phosphodiesterase type 5 inhibitor approved for the treatment of pulmonary arterial hypertension (PAH) and plays an important role in the management of the disease. Areas covered: In this review, we focus on the current available information on the pharmacokinetics, pharmacodynamics, clinical efficacy and ...
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