نتایج جستجو برای: thoracoabdominal aneurysm
تعداد نتایج: 52114 فیلتر نتایج به سال:
is a catastrophic complication of endo− vascular graft placement [1]. The typical symptom of secondary AEF is massive gastrointestinal bleeding with a history of thoracic aortic aneurysm repair [2]. En− doscopy is the most sensitive and specific diagnostic study [3]. Endoscopy should be carefully performed, as it excludes other, more common causes of upper gas− trointestinal bleeding, but shoul...
Aortic dissection is common in patients undergoing open surgical repair of thoracoabdominal aortic aneurysm (TAAA). Most often, this manifests as chronic with progressive dilatation. Because contemporary outcomes are not clearly understood, we compared patient characteristics and after TAAA between those non-dissection aneurysm. We retrospectively analyzed data from 3700 repairs performed withi...
MR angiography of the Adamkiewicz artery and anterior radiculomedullary vein: postmortem validation.
SUMMARY Spinal cord arteries and veins are difficult to visualize and distinguish by MR angiographic techniques because of their small sizes, similar spatial course, and close vascular anatomy. Contrast-enhanced MR angiography was demonstrated to dynamically resolve the Adamkiewicz artery from the anterior radiculomedullary vein in the thoracolumbar spinal cord. The location of the Adamkiewicz ...
A 66-year-old gentleman presents with extent II thoracoabdominal aortic aneurysm (TAAA) secondary to chronic dissection with a maximal diameter of 6 cm. Partial thrombosis of false lumen in thoracic and abdominal aorta was present. Intimal tear was detected at the origin of the left subclavian artery and the dissection extended down to the aortic bifurcation. The left femoral artery, ascending ...
Open surgical repair of thoracoabdominal aortic aneurysms has evolved significantly over the last decades thanks to technical improvements, especially in the area of organ protection. However, despite adjunctive strategies, morbidity and mortality rates are still not negligible. Repair of the thoracoabdominal aorta represents a formidable challenge for surgeons, anesthesiologists and patients a...
Endovascular aortic aneurysm repair has been established as an alternative to open surgical repair. One of the main limitations of endovascular aortic aneurysm repair is the need for a sufficient sealing zone below or above vital aortic branches. During the last 10 years, efforts have been made to overcome these limitations by incorporating fenestrations or branches into customized stent grafts...
Aortic aneurysms are classified as complex based on their extent and involvement of side branches. Complex aortic aneurysms include arch, thoracoabdominal, juxtarenal and suprarenal aortic aneurysms. Open surgical repair carries high morbidity and mortality beyond large tertiary care centers. During the last decade, numerous technological advances have allowed incorporation of side branches usi...
Until recently, patients with aneurysms of the thoracic and thoracoabdominal aorta had only one treatment option: open surgical repair. For those patients who could not tolerate an operation because of medical comorbidities, continued aneurysm enlargement and eventual rupture was a constant, yet unpredictable threat to their lives. Several studies have documented improved survival rates in thos...
Objective(s): Paraplegia is deterioration in motor or sensory function of the lower limbs that can occur after modification of a thoracoabdominal aortic aneurysm. The purpose of this survey was to determine the protective action of lutein on spinal cord ischemia-reperfusion (I-R) damage. Materials and Methods: Thirty-five male rats were distributed into five groups: intact, sham, dimethyl sulfo...
Chest closure after rib‐cross thoracotomy for descending and thoracoabdominal aortic aneurysm repair
The fixation system consisting of a titanium plate and three pairs of claws can fix the ribs externally. This may contribute to preserve the normal thoracic structure and could result in a significant reduction in the period of ventilator dependency.
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