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Screening for Abdominal Aortic Aneurysm: Recommendation Statement
While there are short-term mortality and morbidity benefits of performing EVAR compared with open surgical repair, the magnitude of long-term potential harms is not well known. Long-term potential harms of EVAR may occur because of device failure, which could cause bleeding into the aneurysmal sac around the device or from retrograde flow into the aneurysmal sac through collateral blood vessels. These events may require late conversion to open repair or may lead to aneurysmal rupture. Studies of the EUROSTAR (EUROpean collaborators on Stent-graft Techniques for abdominal aortic Aneurysm Repair) registry report an annual rupture rate of 1 percent and conversion to open repair at an annual rate of 2 percent, with a 24-percent peri-operative mortality rate for the conversion.
MedlinePlus
Medical Encyclopedia: Aneurysm
Infection of the Aneurysm, which sometimes follows infection at other sites of the body, can lead to systemic illness and rupture. Clotting of the Aneurysm occurs when blood stops moving inside the Aneurysm, blocking further blood flow past the site of the Aneurysm and depriving the tissues beyond of blood.
Cerebral Aneurysm Fact Sheet: National Institute of Neurological Disorders and Stroke (NINDS)
Results of the International Subarachnoid Aneurysm Trial (ISAT), sponsored primarily by health ministries in the United Kingdom,
France, and Canada and announced in October 2002, found that outcome for patients who are treated with endovascular coiling
may be superior in the short-term (1 year) to outcome for patients whose Aneurysm is treated with surgical clipping. Long-term
results of coiling procedures are unknown and investigators need to conduct more research on this topic, since some aneurysms
can recur after coiling. Before treatment patients may want to consult with a specialist in both endovascular and surgical
repair of aneurysms, to help provide greater understanding of treatment options. (The American Association of Neurological
Surgeons notes that most of the centers involved in the ISAT were in Europe [primarily in England], Australia, and Canada,
and that results may not be applicable to patients in the United States, where
What Is an Aneurysm?
Most aneurysms occur in the aorta. The aorta is the main artery that carries blood from the heart to the rest of the body. The aorta comes out from the left ventricle (VEN-trih-kul) of the heart and travels through the chest and abdomen. An Aneurysm that occurs in the aorta in the chest is called a thoracic (tho-RAS-ik) aortic Aneurysm. An Aneurysm that occurs in the aorta in the abdomen is called an abdominal aortic Aneurysm.
MedlinePlus
Medical Encyclopedia: Abdominal aortic aneurysm
The other approach is called endovascular stent grafting. An endovascular stent graft is a tube made of metal mesh that helps support the artery. Small, hollow tubes called catheters are inserted through arteries in your groin. The stent graft is sent through a catheter, and permanently placed into the artery. Endovascular stent grafting can be done without making a large cut in your abdomen, so you may get well faster. However, not all patients with abdominal aortic aneurysms can have this type of surgery.
ClinicalTrials.gov - Information on Clinical Trials and Human Research Studies: Trial List
Device: Matrix 2 coils for endovascular Aneurysm occlusion; Device: GDC coils for endovascular Aneurysm occlusion
Search of: Open Studies | "Aneurysm" - List Results - ClinicalTrials.gov
Ascites; Blunt Abdominal Trauma; Cholelithiasis; Cholecystitis; Cholangitis; Pancreatitis; Hydronephrosis; Abdominal Aortic Aneurysm; Hepatitis; Portal Hypertension; Urolithiasis; Abnormal Uterine Bleeding; Ovarian Mass; Ovarian Torsion
Screening: Abdominal Aortic Aneurysm
Screening for Abdominal Aortic Aneurysm , Topic Page. February 2005. U.S. Preventive Services Task Force. Agency for Healthcare Research and Quality, Rockville, MD. http:/ / www.ahrq.gov/ clinic/ uspstf/ uspsaneu.htm
Cerebral Aneurysm Information Page: National Institute of Neurological Disorders and Stroke (NINDS)
The signs and symptoms of an unruptured cerebral Aneurysm will partly depend on its size and rate of growth. For example,
a small, unchanging Aneurysm will generally produce no symptoms, whereas a larger Aneurysm that is steadily growing may produce
symptoms such as loss of feeling in the face or problems with the eyes. Immediately before an Aneurysm ruptures, an individual
may experience such symptoms as a sudden and unusually severe headache, nausea, vision impairment, vomiting, and loss of consciousness.
Celiac Artery Aneurysm
At surgery, a chevron incision was used to approach the celiac Aneurysm. The suprarenal aorta was exposed by opening the lesser omentum and by sharply dissecting the diaphragmatic crura. The celiac Aneurysm was exposed, as were the branches to the left gastric, hepatic, and splenic arteries ( Fig. 5A ). A curved vascular clamp was placed on the aorta at the base of the celiac trunk, and the distal tributaries were clamped. The origin of the celiac artery was oversewn, and the Aneurysm was resected. A saphenous vein graft bypass was constructed to connect the supraceliac aorta to the hepatic and splenic arteries for revascularization while the left gastric artery was ligated ( Fig. 5B ). Gross and microscopic evaluation of the surgical specimen confirmed that it was an atheromatous celiac artery Aneurysm. The patient made an uncomplicated recovery and was discharged after 6 days. A computed tomographic scan obtained at the 2-year follow-up ( Fig. 6 ) showed no Aneurysm of the celiac artery at the same level as shown in Figure 3 . Since his surgery 4 years ago, he has remained asymptomatic and stable, with no evidence of expansion of the abdominal Aneurysm.
Medicare.gov - Abdominal Aortic Aneurysm
Abdominal Aortic Aneurysm (AAA) is a vascular disease with life-threatening implications. If you have a family history of abdominal aortic Aneurysm or have smoked at least 100 cigarettes in your lifetime, you are considered at risk.
healthfinder.gov - Aneurysm
This document provides an overview on the risk factors, symptoms, causes, treatment options, and research pertaining to a cerebral Aneurysm (also known as an intracranial or intracerebral Aneurysm). ... Details >
healthfinder.gov - Brain Aneurysm
This document provides an overview on the risk factors, symptoms, causes, treatment options, and research pertaining to a cerebral Aneurysm (also known as an intracranial or intracerebral Aneurysm). ... Details >
An aneurysm is born
An Aneurysm is born
Aortic aneurysm and dissection.
An Aneurysm with a diameter of over 3 cm is monitored with ultrasonography every 12 months. When the diameter of the Aneurysm has reached 5 cm in a man or 4.5 cm in a woman the ultrasonographic checks are carried out every 6 months (Powell & Greenhalgh, 2003).
Aortic aneurysm and dissection.
An Aneurysm with a diameter of over 3 cm is monitored with ultrasonography every 12 months. When the diameter of the Aneurysm has reached 5 cm in a man or 4.5 cm in a woman the ultrasonographic checks are carried out every 6 months (Powell & Greenhalgh, 2003).
S&TR | May/June 2008: Shaping the Future of Aneurysm Treatments
The second procedure, called embolic coiling, is a nonsurgical treatment that was approved in the early 1990s for patients with inoperable aneurysms. For this treatment, a small plastic catheter is inserted in either the femoral (leg) or carotid (neck) artery. A contrast dye injected in the bloodstream through the catheter highlights the normal blood vessels and delineates the Aneurysm. Continuous x rays of the patient’s vascular system, provided by an imaging technique called fluoroscopy, help the surgeon maneuver a microcatheter into the Aneurysm through the original catheter. Then tiny platinum wires—only slightly larger in diameter than a human hair—are deposited into the Aneurysm. Finally, the wires take on a coil shape and induce blood clotting, which reduces or blocks blood flow in the sac.
Segmentation of cerebral aneurysms
Biplane angiography has become a standard imaging procedure for the treatment of cerebral aneurysms.
Recently, there has been a lot of interest in 3D visualization of intracranial vessels in interventional neuroradiology [ 95 ].
A clinical application of 3D-Rotational Angiography () has been developed by Philips, using a standard angiographic system, with a C-arm that performs a rotational angiographic acquisition around the patient, and provide accurate 3D reconstruction [ 45 ].
With classical rendering techniques, it enables the clinician to observe for example the relationship of a parent vessel with the neck of an Aneurysm, in the brain vessels.
The availability of three-dimensional information during the intervention increase the possibilities towards a more accurate and time efficient endovascular treatment.
With volume rendering tools, the clinician is able to see structures from any angle.
But still, it relies on threshold-based visualizations techniques.
aneurysm
cerebral Aneurysm
Types of Aneurysm
A ruptured cerebral Aneurysm causes a stroke . Signs and symptoms can include a sudden, extremely severe headache, nausea, vomiting, stiff neck, sudden weakness in an area of the body, sudden difficulty speaking, and even loss of consciousness, coma, or death. The danger of a cerebral Aneurysm depends on its size and location in the brain, whether it leaks or ruptures, and the person s age and overall health.
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