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Results 401 - 450 of 1305
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Londoño Juan C - - 2011
Chronic total occlusions remain a technical challenge for interventional cardiologists. This group of lesions carries a decreased rate of success and continues to be an important reason for surgical revascularization. Recently, retrograde percutaneous coronary intervention of total occlusions via epicardial and septal perforators was introduced as an alternative approach when ...
Gooneratne Thushan Dhananja - - 2011
A 65-year-old woman, recently diagnosed with diabetes, presented with fever and a warm, pulsatile, tender mass over the medial aspect of her left thigh. She gave a history of diarrhea two weeks earlier. All lower limb pulses were present. CRP was 18.3 mg/l with evidence of neutrophil leukocytosis. Contrast angiography demonstrated ...
Reddy Ramachandra C - - 2011
Off pump coronary artery bypass grafting remains an important technique particularly in the care of high-risk patients. Consistently successful adoption of this technique requires a cooperative team approach and standardization across all phases of patient care. This review describes our approach to off pump coronary surgery.
Suzuki Ryusuke - - 2011
With the use of the superior transseptal approach during mitral valve surgery, good exposure of the mitral valve can be achieved with simple traction sutures, which minimize the risk of deformation of the mitral valve. For this reason, we routinely perform mitral valvoplasty using the superior transseptal approach; however, we, ...
Yonekawa Yasuhiro - - 2011
Aneurysms of the posterior cerebral artery (PCA) are infrequent and located in the central depth of the brain. Hence their optimal microsurgical management has not been discussed systematically, as institutions and/or neurosurgeons have only limited experience. The purpose of this communication is to report our considerations on this topic with ...
Sakata Noriyuki - - 2011
Here, we report a case of a 59-year-old woman with a coronary-pulmonary artery fistula with a concomitant coronary artery aneurysm, which comprised an anomalous coronary artery originating at the right coronary cusp, an aberrant branch of the left anterior descending artery, and a coronary artery aneurysm draining into the main ...
Kenny Damien - - 2011
Stenting of the arterial duct to maintain postnatal communication between the pulmonary and systemic arterial circulations in infants with complex congenital heart disease is an acceptable alternative to a surgically created systemic to pulmonary artery shunt. The procedure, however, can be demanding given the variable anatomy of the patent ductus ...
Wu Chiung-Jen - - 2011
Few studies have reported results for transradial (TR) percutaneous coronary intervention (PCI) for chronic total occlusion (CTO) lesions. The purpose of this study was to evaluate the feasibility and safety of bilateral radial PCI for CTO lesions.Eighty-five consecutive patients with CTO lesions received PCI via a bilateral TR approach. A ...
Brilakis Emmanouil S - - 2011
The retrograde approach has revolutionized the treatment of chronic total occlusions. Several retrograde techniques have recently been described. In this article, we present a practical review with step-by-step instructions on the indications for retrograde interventions, equipment and retrograde channel selection, and techniques for retrograde crossing and treatment of chronic total ...
Sheikhi Mohammad Ali - - 2011
Traumatic coronary artery-cameral fistulas (TCAF) are rare and may present secondary to penetrating injuries (80%) or iatrogenic traumas. Early operative intervention remains the recommended treatment modality for accidental traumatic coronary artery fistulas. We report the case of a 17-year-old man who presented with left anterior descending coronary artery-right ventricle fistula ...
Tajsic Tamara - - 2011
Pulmonary hypertension is a multifactorial disease characterized by sustained elevation of pulmonary vascular resistance (PVR) and pulmonary arterial pressure (PAP). Central to the pathobiology of this disease is the process of vascular remodelling. This process involves structural and functional changes to the normal architecture of the walls of pulmonary arteries ...
Parissis Haralabos - - 2011
The not uncommon combination of ascending aortic pathology with late presenting coarctation is a difficult surgical challenge. The two stage approach is usually adopted. The necessity for cardiac transplantation adds to the complexity: a trans-sternal approach and single stage repair become mandatory.
Patel D V - - 2011
The efficacy and safety of transvenous embosurgery for sigmoid sinus dural arteriovenous fistula (DAVF) using the internal jugular vein approach is well known. Embosurgery of cavernous sinus DAVF has also been described utilizing a superior ophthalmic vein approach. The first report of a sigmoid sinus DAVF endosurgical repair via a ...
Trojnarska Olga - - 2011
Regardless of a successful operation, patients with coarctation of aorta (CoAo) are exposed to the risk of hypertension and a propensity to vascular and end-organ damage. The aim of this study is to evaluate the influence of residual aorta stenosis as well as the age at the operation on the ...
Keshavarz-Motamed Z - - 2011
Coarctation of the aorta is a congenital heart disease defined as an obstruction of the aorta distal to the left subclavian artery (between the aortic arch and descending aorta). It is usually associated with other diseases such as bicuspid and tricuspid aortic stenosis. If the coarctation remains uncorrected it can ...
Johnson Pamela T - - 2010
The purpose of this article is to review in detail the optimization of data acquisition, reconstruction, and postprocessing for imaging the ascending aorta with 64- and dual-source 128-MDCT. Interpretative success necessitates careful adherence to protocols that maximize dataset resolution and relies on routine use of all of the postprocessing tools ...
Ulku Cagatay Han - - 2010
This article investigates the possibility for the distal superficial temporal artery (STA) to proximal posterior cerebral artery (PCA) direct bypass by subtemporal oblique posterior transzygomatic approach. Five adult cadaveric specimens were dissected. Cadeveric dissection protocol was approved by the Research Ethics Committee. A preauricular vertical skin incision was made, the ...
Luo Zhi-Qiang - - 2010
Intercostal artery aneurysms associated with coarctation of aorta (CoA) are rare and their natural histories are poorly understood. This report describes the surgical correction of this anomaly in an adult without performing extracorporeal circulation. The coarctated segment of aorta and intercostal artery aneurysm were resected, and the continuity of the ...
Perloff Joseph K - - 2010
The term "coarctation" necessarily calls attention to a specific morphologic abnormality of the aortic isthmus. However, in this report, the author seeks to dispel the simplistic notion that coarctation is best characterized by isthmic obstruction, which is only 1 of an assemblage of abnormalities that include the proximal paracoarctation aorta, ...
Liang Chi-Di - - 2010
Absent pulmonary valve syndrome is rare. We report the case of a child with absent pulmonary valve syndrome noted after birth. Progressive dilatation of the main pulmonary artery and ascending aorta were noted by echocardiography and confirmed by heart computed tomography. He underwent ascending aorta graft replacement and pulmonary artery ...
Bolen Michael A - - 2010
Aortic pseudocoarctation is a congenital abnormality consisting of an elongated aortic arch with a kink at level of the isthmus. However, unlike coarctation, significant flow obstruction is not associated with pseudocoarctation, although there is an increased incidence other cardiovascular anomalies. This case demonstrates the use of multidetector CT as part ...
Attaran Saina - - 2010
We report a 31-year old woman who presented with acute onset of shortness of breath 19 years after multiple repairs of a preductal coarctation of the aorta using a Dacron tube graft. Imaging studies showed an aneurysm had developed in the tube graft. The aneurysmal tube graft was replaced during ...
Attaran Saina - - 2010
A 38-year-old man with a history of uncontrolled hypertension was investigated for atypical chest pains and found to have an aneurysm of the ascending aorta and a coexisting coarctation of the aorta. The timing and sequence of surgical repair of these 2 pathologies are controversial. We report an elective single-stage ...
Santoro Giuseppe - - 2010
A young woman, submitted to aortic coarctation repair in early infancy, was referred with clinical and echocardiographic signs of severe recoarctation. Spiral CT scan confirmed the aortic isthmus obstruction but imaged also a huge aneurysm distal to the coarctation site, from which arose a large aberrant right subclavian artery. In ...
Walhout R J - - 2010
We describe the finding of an aortic aneurysm in an asymptomatic 43-year-old male, who was managed by Dacron patch aortoplasty for native coarctation of the aorta 25 years before. The role of magnetic resonance angiography as standard imaging technique in lifelong postoperative surveillance is discussed subsequently. (Neth Heart J 2010;18:376-7.).
Leontiadis Evangelos - - 2010
Cardiogenic shock after percutaneous coronary intervention (PCI) is a life-threatening complication and is most often related to abrupt vessel closure. We present the case of a patient who developed cardiogenic shock after PCI and was supported with intra-aortic balloon counterpulsation and the Levitronix CentriMag short-term mechanical circulatory support. He was ...
Kampschulte M M Department of Radiology, University of Giessen, - - 2010
To investigate the distribution of vasa vasorum (VV) relative to advanced atherosclerotic lesions (calcified, fibrotic or hemorrhaged) along the aortic wall of apoE-/-/LDL-/- mice at the age of 25 and 80 weeks using high-resolution nano-CT. Aortas from male apoE-/-/LDL-/- mice at the age of 25 weeks (n=4) and 80 weeks ...
Alpagut Ufuk - - 2010
Hypoplastic infrarenal aorta or infrarenal aortic coarctation is an uncommon vascular pathology characterized with diffuse stenosis in the infrarenal abdominal aorta. It is a variant of atherosclerotic occlusive diseases. The exact incidence and etiology are not known. Presenting symptoms are versatile and incidentally most of the patients have severe hypertension ...
Kinsley Robin H - - 2010
The symposium's first session was embryological, with emphasis on changing concepts in the development of the heart; double outlet right atrium and isolation of the right subclavian artery provided interesting illustrations. Focus was subsequently directed at management of pulmonary atresia with MAPCAs, hypoplastic left heart syndrome, the primary arterial switch ...
Nair Hema C - - 2010
Trans-esophageal echocardiaography is a sensitive, minimally invasive, diagnostic tool which gives real time functional image of the aorta. It helps in the diagnosis of pathologies of aorta like atherosclerosis, aneurysm and aortic dissection.
Martin Pedrosa Miguel - - 2010
We describe the endovascular treatment given to a patient who, after surgery on the ascending thoracic aorta due to acute type A dissection (Bentall's procedure), developed a pseudoaneurysm 12 cm in diameter of the ascending aorta at the brachiocephalic trunk. Firstly, an extra-anatomical carotid-carotid bypass was performed, which was followed ...
Singh Preeti - - 2010
We report a young patient with post traumatic acquired thoracic aortic coarctation in whom three-dimensional transthoracic echocardiography (3DTTE) demonstrated incremental value over two-dimensional transthoracic echocardiography (2DTTE). 3DTTE showed (1) en face views of the obstruction site that showed a markedly narrowed, roughly circular orifice measuring 0.33 cm(2) in area, (2) ...
Lam Yat-Yin - - 2010
Patients with surgically corrected aortic coarctation have increased proximal aortic stiffness that might contribute to the known worse cardiovascular outcomes. We examined the effect of stenting on the mid-term ascending aortic elastic properties and its relation to cardiac structure and function in adults with native coarctation of the aorta. A ...
Wang Ren - - 2010
Coarctation of the aorta with cardiac lesions or complex coarctation is a formidable challenge for cardiac surgeons. Extra-anatomic bypass allows simultaneous intracardiac repair or an alternative approach for patients with complex coarctation. Between July 1997 and March 2008, 43 patients with coarctation of the aorta underwent extra-anatomic bypass grafting, including ...
Kische Stephan - - 2010
Surgical treatment of aortic coarctation has increased life expectancy and reduced mortality. Unfortunately, the average lifespan after repair remains only 35 to 50 years, and significant morbidity persists as a result of aneurysm formation, hypertension, accelerated coronary disease, and stroke. Follow-up studies have revealed restenosis rates of 30% and persistent ...
Daugherty Alan - - 2010
AngII (angiotensin II) induces atherosclerosis and AAAs (abdominal aortic aneurysms) through multiple proposed mechanisms, including chemotaxis. Therefore, we determined the effects of whole-body deficiency of the chemokine receptor CCR2 (CC chemokine receptor 2) on these diseases. To meet this objective, apoE (apolipoprotein E)-/- mice that were either CCR2+/+ or CCR2-/-, ...
Nguyen Thanh N - - 2010
A patient with a ruptured left sylvian fissure arteriovenous malformation (AVM) treated with primary transvenous Onyx embolization, and angiographically cured, is reported. The patient presented with a large intraparenchymal subopercular hematoma and there was angiographic demonstration of a pseudoaneurysm and single draining vein. Trans-arterial approaches were unsuccessful because of the ...
Kommana Sandhya - - 2010
Coarctation of the distal aorta or middle aortic syndrome is a segmental stenosis of the middle portion of the aorta, between the arch and the terminal bifurcation. Middle aortic syndrome is a rare disease of infants and young adults presenting with hypertension, lower limb claudication and renal insufficiency and is ...
Vohra Hunaid A - - 2010
The management of giant aneurysms associated with aortic coarctation is challenging. The location, the size of the aneurysm, whether it has ruptured, previous coarctation repair, the presence of stenosis, and the ascending and distal aortic pathology will all influence the treatment approach. With more patients surviving to adulthood after early ...
Takeshita Katsushi - - 2010
Parameters of the position of the aorta in previous reports were determined for anterior surgery. This study evaluated the relative position of the aorta to the spine by new parameters, which could enhance the safety of pedicle screw placement. Three parameters were defined in a new Cartesian coordinate system. We ...
Giardini Alessandro - - 2010
Children with PHACES syndrome commonly present with aortic coarctation and abnormalities of the supra-aortic and intracranial arteries. We describe a case of complex aortic coarctation in the context of PHACES syndrome, where preoperative detection of abnormalities in supra-aortic and intracranial arteries led to modification of the surgical technique adopted, in ...
von Kodolitsch Y - - 2010
Despite advanced techniques for surgical or percutaneous therapy coarctation of the aorta continues to carry a high risk of aneurysmal formation. Mortality of these aneurysms ranges between <1 and >90%, reflecting remarkable differences in surgical strategies and the follow-up management of coarctation. We review the frequency, anatomical types, risk factors ...
Song Suk-Won - - 2010
OBJECTIVE: Prognostic implications of partial thrombosis of the residual aorta after repair of acute DeBakey type I aortic dissection have not been elucidated. We sought to analyze the impact of partial thrombosis on segmental growth rates, distal aortic reprocedures, and long-term survival. METHODS: A total of 118 consecutive patients (55% ...
Shimizu Shuji - - 2010
Apicoaortic bypass for left ventricular outflow tract obstruction has been performed with acceptable mid-term mortality. However, sometimes it is difficult to anastomose the distal end of the conduit to the calcified descending aorta in patients with a porcelain aorta. We report an aortic non-touch modification of the apicoaortic bypass in ...
Jongkind Vincent - - 2010
PURPOSE: To examine the feasibility of a direct videoscopic approach to the descending thoracic aorta for branched endograft delivery to the aortic arch and abdominal aorta. METHODS: Aneurysms were created in the aortic arch and pararenal aorta of 3 human cadavers, and pulsatile flow was established using a roller pump. ...
Fanelli F - - 2011
Free floating thrombus in the proximal descending aorta is an uncommon and dangerous condition that can be associated with acute peripheral embolization. The few cases described were solved with surgical and/or medical therapy. We report the case of a patient with acute left arm ischemia secondary to the presence of ...
Iida Yasunori - - 2010
Popliteal artery entrapment syndrome (PAES) is rare congenital anomaly that occurs due to compression of the popliteal artery by adjacent musculotendinous structures. We report a 54-year-old woman with PAES of total popliteal arterial occlusion was successfully treated by release of the muscle bundle and reconstruction of the popliteal artery. Pathologic ...
Celik Levent - - 2010
Left ventricular (LV) function is impaired by increased afterload in neonates with severe coarctation of the aorta, which may result in endocardial fibroelastosis. Repair of the coarctation usually solves the problem, with LV function normalizing after a few weeks. This report describes a patient who underwent successful repair of critical ...
Bhat Akhlaque N - - 2010
Arterial cannulation of the ascending aorta is the standard for congenital heart surgery. However, in some situations ascending aortic cannulation can be difficult, and cannulation of the innominate artery may be preferable. These situations may include: operations on the ascending aorta, a small ascending aorta which may be obstructed by ...
Tanous David - - 2009
PURPOSE OF REVIEW: Coarctation of the aorta is the discrete narrowing of the proximal descending aorta and is the sixth most common lesion in congenital heart disease. Repair of the coarctation can relieve the obstruction, but recurrent coarctation and future aneurysm formation can occur, and a heightened risk of vascular ...
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