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arterial oclusion

Andrés E Cobar-Bustamante, Mario A Cahueque, Gustavo Caldera
The presence of postoperative visual loss is a well-known complication, and described in various reports, its low incidence (0.028-0.2%) makes it extremely rare. Two main causes have been determined: Posterior Ischemic Optic Neuropathy and central Retinal Artery Oclusion. The following is a case report of a 52-year-old patient that presented visual loss after elective spine surgery that had no complications that could initially explain this complication. Studies were performed and evaluations by ophthalmologists determined that the cause of Posterior Ischemic Optic Neuropathy due to multiple risk factors that the patient had previously and during the surgery...
December 2016: Journal of Orthopaedics
Marta Martinez Miguez, Coral Carballo-Fernandez, Nilo Mosquera-Arochena
PURPOSE: This case demonstrates the use of carotid stents in off-label emergency condition where standard self-expandable stents doesn't fit to native artery and balloon-expandable stents could not be also recommended. CASE REPORT: 56 years old patient, EVAR therapy performed 2 months before, suffering acute severe abdominal pain; emergency angioCT showed oclusion of superior mesenteric artery (SMA) and no complications related to previous EVAR. A percutaneuos supraselective trombolysis was performed...
January 2012: Revista Portuguesa de Cirurgia Cardio-torácica e Vascular
N Mosquera Arochena, F Molina Herrero, C Carbalho Fernandez, G Rodriguez Feijoo, R Fernandez Lebrato, A Barrios Castro, I Garcia Fernandez
UNLABELLED: The surgical approach for hypogastric preservation in aorto-iliac aneurysm (AAA) open repair (OR) has been described and performed with different techniques but all of them represent a higher mortality and potencial complications to the procedure; this is even more critical in bilateral disease. Since the introduction of the first endograft, a continuous development has occurred, such as the stent graft with specific branch designed for preserving antegrade flow in the hypogastric artery...
October 2011: Revista Portuguesa de Cirurgia Cardio-torácica e Vascular
Jana Fialova, Petr Utikal, Petr Bachleda, Martin Kocher, Marie Cerna, Katherine Vomackova
UNLABELLED: Backround. Intermittent claudication is a classic symptom of peripheral arterial disease. It is mainly treated conservatively but if this fails, a form of revascularization is indicated. The revascularization in chronic occlusion of femoropopliteal region is currently performed by two basic methods: the standard method of surgical bypass and the newer miniinvasive alternative represented by the endovascular method. The treatment of patients with solely claudication and long occlusion of femoropopliteal region remains controversial...
June 2015: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
Saher S Sabri, Wael E A Saad, Timothy M Schmitt, Ulku C Turba, Sean C Kumer, Auh-Whan Park, Alan H Matsumoto, John F Angle
PURPOSE: To evaluate the effectiveness of endovascular management of steno-oclusive disease in liver transplants. METHODS: Retrospective review of liver transplant recipients with hepatic artery stenosis (HAS) or thrombosis (HAT) was performed. The HAS group was treated with balloon angioplasty with selective stent placement. The HAT group was treated with catheter-directed thrombolysis. Primary, unassisted, and assisted patency and graft survival rates were calculated...
July 2011: Vascular and Endovascular Surgery
T Nemoto, T Sekikawa, T Suzuki, H Moriya, H Nakaya
Nitric Oxide (NO) has been implicated as a mediator of neuronal injury in vascular stroke. On the other hand, NO is suggested to play a neuroprotective role by increasing blood flow during cerebral ischemia. In order to evaluate the role of NO in the spinal cord ischemia, effects of nitric oxide synthase (NOS) inhibition on the recovery of reflex potentials after a transient spinal cord ischemia were examined in urethane-chloralose anesthetized spinal cats. Spinal cord ischemia was produced by occlusion of the thoracic aorta and the both internal mammary arteries for 10 min...
April 1997: Naunyn-Schmiedeberg's Archives of Pharmacology
V Dolezal
Oxygen inhalation in a chamber at the pressure exceeded 0.2 MPa produces some positive effects, that are explored for therapeutic purposes at about 30 years. Oxygen increases bactericidal capacity of leukocytes, reduces tissue edema, protects intracellular ATP, maintain tissue oxygenation even in the absence of hemoglobin. Stimulates fibroblast replication, increases collagen production, stimulates arborisation of capillaries into ischemic tissue, protects from lipid peroxidation. These properties of oxygen are exploit in acute, life threatened conditions and in various chronic ischemias...
June 28, 1995: Casopís Lékar̆ů C̆eských
S N Carson, G Hunter, S French, P Lord, H N Wong
A case report is presented demonstrating pathologic changes in the neointima that formed when a polytetrafluoroethylene (PTFE) graft was placed in a 35 year old white male with severe arteriosclerosis. Representative sections of the patient's artery and graft were taken which demonstrated considerable smooth muscle proliferation in both along with full wall healing in the latter. Partial oclusion of the total length of the PTFE graft by a process similar to that occurring in the patient's own arteriosclerotic arteries was found...
July 1980: Journal of Cardiovascular Surgery
R C Hatch, R W Hughes, H Bozivich
No abstract text is available yet for this article.
December 1967: American Journal of Physiology
O Thulesius, J E Gjöres
No abstract text is available yet for this article.
August 26, 1971: Nordisk Medicin
H Wilhelm
Tonic pupil is usually an idiopathic condition. In some cases, the cause of the ciliary ganglion lesion leading to tonic pupils is obvious. Rarely ischemia causes a lesion of the ciliary ganglion or the short ciliary nerves due to the good blood supply of the ciliary ganglion. Only two cases of tonic pupils in the course of giant cell arteritis are mentioned in the literature, but tonic pupils are probably much more common with this disease. Five cases are demonstrated here. All had associated ischemic optic neuropathy, and stagnation of the blood flow in the supratrochlear artery could be demonstrated in two cases by Doppler sonography...
1989: Fortschritte der Ophthalmologie: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
J I Pascual-Pascual, I Pascual-Castroviejo, A Tendero, M C Roche
A nine-year-old boy with thrombosis in the right vertebral artery is presented. When child was 20 months old symptoms began suddenly with loss of consciousness, hemiparesia in the left side and later on psychomotor involution. The various aspects of the vertebral and basilar occlusions are discussed when they happen before the age of fourteen, of which there are 19 other cases published already. Etiology of this affection is very mixed in children and frequently unknown. There are more than one obstruction in 50% of patients and very often the nearest one is located at the level of the axis...
August 1977: Anales Españoles de Pediatría
A V Pokrovskiĭ, R A Kovaneva, L S Zingerman, A Kh Gashtov, G A Tsitsuashvili
The authors studied and operated on 172 patients with cerebro-vascular insufficiency due to occlusional lesions of the brachiocephalic vessels. According to the pre-operational signs of cerebro-vascular insufficiency 4 clinical groups were distinguished; 1) with asymptomatical oclusions; 2) transient disorders of cerebral circulation; 3) with chronic cerebro-vascular insufficiency and 4) with ischemic strokes. On the basis of an analysis of the direct and remote results of reconstructional operations indications to surgical treatment were determined...
1977: Zhurnal Nevropatologii i Psikhiatrii Imeni S.S. Korsakova
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