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Encyclopedia > Aortic aneurysm
Aortic aneurysm
Classification & external resources
ICD-10 I71.
ICD-9 441
OMIM 100070
DiseasesDB 792 823 805
eMedicine emerg/942  med/2783 emerg/27 radio/1 med/3443
MeSH D001014

An aortic aneurysm is a general term for any swelling (dilatation or aneurysm) of the aorta, usually representing an underlying weakness in the wall of the aorta at that location. While the stretched vessel may occasionally cause discomfort, a greater concern is the risk of rupture, which causes severe pain; massive internal hemorrhage; and, without prompt treatment, results in a quick death. The International Statistical Classification of Diseases and Related Health Problems (most commonly known by the abbreviation ICD) provides codes to classify diseases and a wide variety of signs, symptoms, abnormal findings, complaints, social circumstances and external causes of injury or disease. ... The International Statistical Classification of Diseases and Related Health Problems 10th Revision (ICD-10) is a coding of diseases and signs, symptoms, abnormal findings, complaints, social circumstances and external causes of injury or diseases, as classified by the World Health Organization (WHO). ... // I00-I99 - Diseases of the circulatory system (I00-I02) Acute rheumatic fever (I00) Rheumatic fever without mention of heart involvement (I01) Rheumatic fever with heart involvement (I02) Rheumatic chorea (I05-I09) Chronic rheumatic heart diseases (I05) Rheumatic mitral valve diseases (I050) Mitral stenosis (I051) Rheumatic mitral insufficiency (I06) Rheumatic aortic... The International Statistical Classification of Diseases and Related Health Problems (most commonly known by the abbreviation ICD) provides codes to classify diseases and a wide variety of signs, symptoms, abnormal findings, complaints, social circumstances and external causes of injury or disease. ... The following is a list of codes for International Statistical Classification of Diseases and Related Health Problems. ... The Mendelian Inheritance in Man project is a database that catalogues all the known diseases with a genetic component, and - when possible - links them to the relevant genes in the human genome. ... The Disease Bold textDatabase is a free website that provides information about the relationships between medical conditions, symptoms, and medications. ... eMedicine is an online clinical medical knowledge base that was founded in 1996. ... Medical Subject Headings (MeSH) is a huge controlled vocabulary (or metadata system) for the purpose of indexing journal articles and books in the life sciences. ... Post surgical photo of brain aneurysm survivor. ... The aorta (generally pronounced [eɪˈɔːtə] or ay-orta) is the largest artery in the human body, originating from the left ventricle of the heart and bringing oxygenated blood to all parts of the body in the systemic circulation. ... To meet Wikipedias quality standards, this article or section may require cleanup. ...

Contents

Classification

Aortic aneurysms are classified by where on the aorta they occur; aneurysms can appear anywhere. An aortic root aneurysm, or aneurysm of sinus of Valsalva, appears on the sinuses of Valsalva or aortic root. Thoracic aortic aneurysms are found on the thoracic aorta; these are further classified as ascending, aortic arch, or descending aneurysms depending on the location on the thoracic aorta involved. Abdominal aortic aneurysms, the most common form of aortic aneurysm, are found on the abdominal aorta, and thoracabdominal aortic aneuryms involve both the thoracic and abdominal aorta. Aneurysm of the aortic sinus, also known as the sinus of Valsalva. ... This article is in need of attention. ... The largest artery in the human body, the aorta originates from the left ventricle of the heart and brings oxygenated blood to all parts of the body in the systemic circulation. ... A plate from Grays Anatomy with yellow lines depicting the most common infrarenal location of the AAA. Abdominal aortic aneurysm, also written as AAA and often pronounced triple-A, is a localized dilatation of the abdominal aorta, that exceeds the normal diameter by more than 50%. The normal diameter... AORTA can also mean always-on real-time access, referring to WAN computer networks. ...


Pathology

The physical change in the aortic diameter can occur secondary to an intrinsic defect in the protein construction of the aortic wall, trauma, infection, or due to progressive destruction of aortic proteins by enzymes.


Signs, symptoms and diagnosis

Most intact aortic aneurysms do not produce symptoms. As they enlarge, symptoms such as abdominal pain and back pain may develop. Compression of nerve roots may cause leg pain or numbness. Untreated, aneurysms tend to become progressively larger, although the rate of enlargement is unpredictable for any individual. Rarely, clotted blood which lines most aortic aneurysms can break off and result in an embolus. They may be found on physical examination. Medical imaging is necessary to confirm the diagnosis. Anxiety or feeling of stress. Nausea and vomiting. Clammy skin. Rapid heart rate.[1] Image File history File links Broom_icon. ... Abdominal pain can be one of the symptoms associated with transient disorders or serious disease. ... Back pain (also known dorsalgia) is pain felt in the back that may originate from the muscles, nerves, bones, joints or other structures in the spine. ... In medicine, an embolism occurs when an object (the embolus, plural emboli) migrates from one part of the body (through the circulation) and cause(s) a blockage (occlusion) of a blood vessel in another part of the body. ...


Abdominal Aortic Aneurysm

Abdominal aortic aneurysms, hereafter referred to as AAAs, are the most common type of aortic aneurysm. One reason for this is that elastin, the principal load-bearing protein present in the wall of the aorta, is reduced in the abdominal aorta as compared to the thoracic aorta (nearer the heart). Another is that the abdominal aorta does not possess vasa vasorum, hindering repair. Most are true aneurysms that involve all three layers (tunica intima, tunica media and tunica adventitia), and are generally asymptomatic before rupture. A plate from Grays Anatomy with yellow lines depicting the most common infrarenal location of the AAA. Abdominal aortic aneurysm, also written as AAA and often pronounced triple-A, is a localized dilatation of the abdominal aorta, that exceeds the normal diameter by more than 50%. The normal diameter... Elastin is a protein in connective tissue that is elastic and allows many tissues in the body to resume their shape after stretching or contracting. ... Most cells need to be within a few cell-widths of a capillary to stay alive, and the cells that make up the outer walls of a blood vessel are no exception. ... The tunica intima (or just intima) is the innermost layer of an artery. ... The tunica media (or just media) is the middle layer of an artery. ... The tunica adventitia (or just adventitia) is the outermost layer of an artery. ...


The prevalence of AAAs increases with age, with an average age of 65-70 at the time of diagnosis. AAAs have been attributed to atherosclerosis, though other factors are involved in their formation.


An AAA may remain asymptomatic indefinitely. There is a large risk of rupture once the size has reached 5 cm, though some AAAs may swell to over 15 cm in diameter before rupturing. Before rupture, an AAA may present as a large, pulsatile mass above the umbilicus. A bruit may be heard from the turbulent flow in a severe atherosclerotic aneurysm or if thrombosis occurs. Unfortunately, however, rupture is usually the first hint of AAA. Once an aneurysm has ruptured, it presents with a classic pain-hypotension-mass triad. The pain is classically reported in the abdomen, back or flank. It is usually acute, severe and constant, and may radiate through the abdomen to the back. This article or section does not cite its references or sources. ... Bruit is the term for the unusal sound that blood makes when it rushes past an obstruction in an artery when the sound is observed with a stethoscope. ... Pain redirects here. ... In physiology and medicine, hypotension refers to an abnormally low blood pressure. ... For other uses, see Mass (disambiguation). ...


The diagnosis of an abdominal aortic aneurysm can be confirmed at the bedside by the use of ultrasound. Rupture could be indicated by the presence of free fluid in potential abdominal spaces, such as Morrison's pouch, the splenorenal space, subdiaphragmatic spaces and peri-vesical spaces. A contrast-enhanced abdominal CT scan is needed for confirmation. Sonography redirects here. ... negron305 Cat scan redirects here. ...


Only 10-25% of patients survive rupture due to large pre- and post-operative mortality. Annual mortality from ruptured abdominal aneurysms in the United States alone is about 15,000. Another important complication of AAA is formation of a thrombus in the aneurysm. For Trombe wall (used in solar homes), see Trombe wall. ...


Screening

Main article: Abdominal aortic aneurysm#Screening

A plate from Grays Anatomy with yellow lines depicting the most common infrarenal location of the AAA. Abdominal aortic aneurysm, also written as AAA and often pronounced triple-A, is a localized dilatation of the abdominal aorta, that exceeds the normal diameter by more than 50%. The normal diameter...

Medical treatment

Medical therapy of aortic aneurysms involves strict blood pressure control. This does not treat the aortic aneurysm per se, but control of hypertension within tight blood pressure parameters may decrease the rate of expansion of the aneurysm. A sphygmomanometer, a device used for measuring arterial pressure. ... For other forms of hypertension, see Hypertension (disambiguation). ...


Surgical treatment

The definitive treatment for an aortic aneurysm is surgical repair of the aorta. This typically involves opening up of the dilated portion of the aorta and insertion of a synthetic (Dacron or Gore-tex) patch tube. Once the tube is sewn into the proximal and distal portions of the aorta, the aneurysmal sac is closed around the artificial tube. Instead of sewing, the tube ends, made rigid and expandable by nitinol wireframe, can be much more simply and quickly inserted into the vascular stumps and there permanently fixed by external ligature [2][1] The term plastics covers a range of synthetic or semi-synthetic organic condensation or polymerization products that can be molded or extruded into objects or films or fibers. ... Gore-Tex membrane, electron microphotograph Gore-Tex (abbreviated GTX) is a registered trademark of W.L. Gore & Associates best known for its use in relation to waterproof/breathable fabrics. ... A shape memory alloy (SMA) (also known as memory metal or smart wire) is a metal that remembers its geometry. ...


The determination of when surgery should be performed is complex and case-specific. The overriding consideration is when the risk of rupture exceeds the risk of surgery. The diameter of the aneurysm, its rate of growth, the presence or absence of Marfan Syndrome or similar connective tissue disorders, and other coexisting medical conditions are all important factors in the determination. Marfan syndrome is an autosomal dominant genetic disorder of the connective tissue characterized by disproportionately long limbs, long thin fingers, a typically tall stature, and a predisposition to cardiovascular abnormalities, specifically those affecting the heart valves and aorta. ...


A rapidly expanding aneurysm should be operated on as soon as feasible, since it has a greater chance of rupture. Slowly expanding aortic aneurysms may be followed by routine diagnostic testing (ie: CT scan or ultrasound imaging). If the aortic aneurysm grows at a rate of more than 1 cm/year, surgical treatment should be electively performed. CAT apparatus in a hospital Computed axial tomography (CAT), computer-assisted tomography, computed tomography, CT, or body section roentgenography is the process of using digital processing to generate a three-dimensional image of the internals of an object from a large series of two-dimensional X-ray images taken around... For other uses, see Ultrasound (disambiguation). ...


The current treatment guidelines for abdominal aortic aneurysms suggest elective surgical repair when the diameter of the aneurysm is greater than 5 cm. However, recent data suggests medical management for abdominal aneurysms with a diameter of less than 5.5 cm.[3]


Endovascular treatment of AAA

In the recent years, the endoluminal treatment of Abdominal Aortic Aneurysms has emerged as a minimally invasive alternative to open surgery repair. The first endoluminal exclusion of an aneurysm took place in Argentina by Dr. Parodi and his colleagues in 1991. The endovascular treatment of aortic aneurysms involves the placement of an endo-vascular stent via a percutaneous technique (usually through the femoral arteries) into the diseased portion of the aorta. This technique has been reported to have a lower mortality rate compared to open surgical repair, and is now being widely used in individuals with co-morbid conditions that make them high risk patients for open surgery. Some centers also report very promising results for the specific method in patients that do not constitute a high surgical risk group. Endoscopic image of self-expanding metallic stent in esophagus, which was used to palliatively treat esophageal cancer. ... In surgery, percutaneous pertains to any medical procedure where access to inner organs or other tissue is done via needle-puncture of the skin, rather than by using an open approach where inner organs or tissue are exposed (typically with the use of a scalpel). ...


There have also been many reports concerning the endovascular treatment of ruptured Abdominal Aortic Aneurysms, which are usually treated with an open surgery repair due to the patient's impaired overall condition. Mid-term results have been quite promising.[citation needed] However, according to the latest studies, the EVAR procedure doesn't carry any overall survival benefit.[4] Endovascular Aneurysm or Aortic Repair, is a type of Endovascular surgery used to treat an Abdominal aortic aneurysm or AAA. // Example of a Stent used in an EVAR Before patients are deemed to be a suitable candidate for this treatment, they have to go through a rigorous set of tests. ...


Endovascular treatment of other aortic aneurysms

The endoluminal exclusion of aortic aneurysms has seen a real revolution in the very recent years. It is now possible to treat thoracic aortic aneurysms, abdominal aortic aneurysms (please see above) and other aneurysms in most of the body's major arteries (such as the iliac and the femoral arteries) using endovascular stents and avoiding big incisions. Still, in most cases the technique is applied in patients at high risk for surgery as more trials are required in order to fully accept this method as the gold standard for the treatment of aneurysms.


Prevention

Attention to patient's general blood pressure, smoking and cholesterol risks helps reduce the risk on an individual basis. There have been proposals to introduce ultrasound scans as a screening tool for those most at risk: men over the age of 65.[5] [6]. The tetracycline antibiotic Doxycycline is currently being investigated for use as a potential drug in the prevention of aortic aneurysm due to its metalloproteinase inhibitor and collagen stabilising properties. Cholesterol is a sterol (a combination steroid and alcohol). ... Medical ultrasonography is an ultrasound-based imaging diagnostic technique used to visualize internal organs, their size, structure and their pathological lesions. ... Doxycycline (INN) (IPA: ) is a member of the tetracycline antibiotics group and is commonly used to treat a variety of infections. ...


Research

Stanford University is conducting research to gather information on AAA risk factors, and to evaluate the effectiveness of an exercise program at preventing the growth of small AAAs in older individuals.[2]


See also

Aortic dissection is a tear in the wall of the aorta (the largest artery of the body). ...

References

  1. ^ Rush University Medical Center. Retrieved on 2008-03-12.
  2. ^ Tex Heart Inst J. 2002;29(1):56-9
  3. ^ Mortality results for randomised controlled trial of early elective surgery or ultrasonographic surveillance for small abdominal aortic aneurysms. The UK Small Aneurysm Trial Participants. Lancet. 1998 Nov 21;352(9141):1649-55. (Medline abstract)
  4. ^ Rutherford RB.: Randomized EVAR Trials and Advent of Level I Evidence: A Paradigm Shift in Management of Large Abdominal Aortic Aneurysms? (abstract) Semin Vasc Surg. 2006 Jun;19(2):69-74. PMID: 16782510
  5. ^ Routine screening in the management of AAA, UK Department of Health study Report
  6. ^ Abdominal Aortic Aneurysm screening, a review by Bandolier, a UK independent source of evidence-based healthcare information for both healthcare professionals and consumers. Bandolier 27-3 Article

2008 (MMVIII) is the current year, a leap year that started on Tuesday of the Anno Domini (or common era), in accordance to the Gregorian calendar. ... is the 71st day of the year (72nd in leap years) in the Gregorian calendar. ...

Bibliography

  1. Saratzis N., Melas N., Lazaridis J., Ginis G., Antonitsis P., Lykopoulos D., Lioupis A., Gitas C., Kiskinis D. "Endovascular AAA repair with the aortomonoiliac EndoFit stent-graft: two years' experience." J Endovasc Ther. 2005 Jun;12(3):280-7

For transport in plants, see Vascular tissue. ... A renal cell carcinoma (chromophobe type) viewed on a hematoxylin & eosin stained slide Pathologist redirects here. ... For other forms of hypertension, see Hypertension (disambiguation). ... In kidney, as a result of benign arterial hypertension, hyaline (pink, amorphous, homogeneous material) accumulates in the wall of small arteries and arterioles, producing the thickening of their walls and the narrowing of the lumens - hyaline arteriolosclerosis. ... While most forms of hypertension have no known underlying cause (and are thus known as essential hypertension or primary hypertension), in about 10% of the cases, there is a known cause, and thus the hypertension is secondary hypertension (or, less commonly, inessential hypertension). ... Renovascular hypertension (or renal hypertension) is a form of secondary hypertension. ... Ischaemic (or ischemic) heart disease is a disease characterized by reduced blood supply to the heart. ... Prinzmetals angina, also known as variant angina or angina inversa, is a syndrome typically consisting of angina (cardiac chest pain) at rest that occurs in cycles. ... Heart attack redirects here. ... Dresslers syndrome is a form of pericarditis that occurs in the setting of injury to the heart or the pericardium (the outer lining of the heart). ... Pulmonary circulation is the portion of the cardiovascular system which carries oxygen-depleted blood away from the heart, to the lungs, and returns oxygenated blood back to the heart. ... Cor pulmonale is a medical term used to describe a change in structure and function of the right ventricle of the heart as a result of a respiratory disorder. ... The pericardium is a double-walled sac that contains the heart and the roots of the great vessels. ... Pericarditis is inflammation of the sac surrounding the heart, the pericardium. ... Pericardial effusion is an abnormal accumulation of fluid in the pericardial cavity. ... Cardiac tamponade, also known as pericardial tamponade, is a medical emergency condition where liquid accumulates in the pericardium in a relatively short time. ... In the heart, the endocardium is the innermost layer of tissue that lines the chambers of the heart. ... Grays Fig. ... Endocarditis is an inflammation of the inner layer of the heart, the endocardium. ... The mitral valve (also known as the bicuspid valve or left atrioventricular valve), is a dual flap (bi = 2) valve in the heart that lies between the left atrium (LA) and the left ventricle (LV). ... Mitral regurgitation (MR), also known as mitral insufficiency, is the abnormal leaking of blood through the mitral valve, from the left ventricle into the left atrium of the heart. ... Mitral valve prolapse (MVP) is a heart valve condition marked by the displacement of an abnormally thickened mitral valve leaflet into the left atrium during systole. ... Mitral stenosis is a narrowing of the orifice of the mitral valve of the heart. ... The aortic valve is one of the valves of the heart. ... Aortic valve stenosis (AS) is a heart condition caused by the incomplete opening of the aortic valve. ... Aortic insufficiency (AI), also known as aortic regurgitation (AR), is the leaking of the aortic valve of the heart that causes blood to flow in the reverse direction during ventricular diastole, from the aorta into the left ventricle. ... The pulmonary valve, also known as pulmonic valve, is the semilunar valve of the heart that lies between the right ventricle and the pulmonary artery and has three cusps. ... Pulmonary valve stenosis is a medical condition in which outflow of blood from the right ventricle of the heart is obstructed at the level of the pulmonic valve. ... Pulmonary valve insufficiency (or incompetence, or regurgitation) is a condition where the pulmonary valve is not strong enough to prevent backflow into the right ventricle. ... The tricuspid valve is on the right side of the heart, between the right atrium and the right ventricle. ... Tricuspid valve stenosis is a valvular heart disease which results in the narrowing of the orifice of the tricuspid valve of the heart. ... Tricuspid insufficiency, also termed Tricuspid regurgitation, refers to the failure of the hearts tricuspid valve to close properly during systole. ... Myocardium is the muscular tissue of the heart. ... In medicine (cardiology), myocarditis is inflammation of the myocardium, the muscular part of the heart. ... Dilated cardiomyopathy or DCM (also known as congestive cardiomyopathy), is a disease of the myocardium (the muscle of the heart) in which a portion of the myocardium is dilated, often without any obvious cause. ... Hypertrophic cardiomyopathy, or HCM, is a disease of the myocardium (the muscle of the heart) in which a portion of the myocardium is hypertrophied (thickened) without any obvious cause. ... This article is considered orphaned, since there are very few or no other articles that link to this one. ... Restrictive cardiomyopathy (RCM) is the least common cardiomyopathy. ... Arrhythmogenic right ventricular dysplasia (ARVD, also known as arrhythmogenic right ventricular cardiomyopathy or ARVC) is a type of nonischemic cardiomyopathy that involves primarily the right ventricle. ... The normal electrical conduction in the heart allows the impulse that is generated by the sinoatrial node (SA node) of the heart to be propagated to (and stimulate) the myocardium (Cardiac muscle). ... A heart block is a disease in the electrical system of the heart. ... A heart block denotes a disease in the electrical system of the heart. ... First degree AV block or PR prolongation is a disease of the electrical conduction system of the heart in which the PR interval is lengthened. ... Second degree AV block is a disease of the electrical conduction system of the heart. ... Third degree AV block, also known as complete heart block, is a defect of the electrical system of the heart, in which the impulse generated in the atria (typically the SA node on top of the right atrium) does not propagate to the ventricles. ... Bundle branch block refers to a disorder of the hearts electrical conducting system. ... ECG characteristics of a typical LBBB showing wide QRS complexes with abnormal morphology in leads V1 and V6. ... Right bundle branch block (RBBB) is a cardiac conduction abnormality seen on electrocardiogram (EKG). ... Bifascicular block is a conduction abnormality in the heart where two of the three main fascicles of the His/Purkinje system are blocked. ... Trifascicular heart block is the triad of first degree heart block, right bundle branch block, and either left anterior or left posterior hemi block seen on an electrocardiogram (EKG). ... Pre-excitation syndrome is a condition where the the ventricles of the heart become depolarized too early, which leads to their premature contraction, causing arrhythmia. ... Wolff-Parkinson-White syndrome (WPW) is a syndrome of pre-excitation of the ventricles of the heart due to an accessory pathway known as the Bundle of Kent. ... Lown-Ganong-Levine syndrome (LGL) is a syndrome of pre-excitation of the ventricles due to an accessory pathway providing an abnormal electrical communication from the atria to the ventricles. ... The long QT syndrome (LQTS) is a heart disease in which there is an abnormally long delay between the electrical excitation (or depolarization) and relaxation (repolarization) of the ventricles of the heart. ... The term Stokes-Adams Attack refers to a sudden, transient episode of syncope, occasionally featuring seizures. ... A cardiac arrest is the cessation of normal circulation of the blood due to failure of the ventricles of the heart to contract effectively during systole. ... Cardiac arrhythmia is any of a group of conditions in which the electrical activity of the heart is irregular or is faster or slower than normal. ... A supraventricular tachycardia (SVT) is a rapid rhythm of the heart in which the origin of the electrical signal is either the atria or the AV node. ... AV nodal reentrant tachycardia (AVNRT) is a type of reentrant tachycardia (fast rhythm) of the heart. ... Ventricular tachycardia (V-tach or VT) is a fast rhythm that originates in one of the ventricles of the heart. ... Atrial flutter is an abnormal fast heart rhythm that occurs in the atria of the heart. ... Atrial fibrillation (AF or afib) is a cardiac arrhythmia (abnormal heart rhythm) that involves the two upper chambers (atria) of the heart. ... Ventricular fibrillation (V-fib or VF) is a cardiac condition which consists of a lack of coordination of the contraction of the muscle tissue of the large chambers of the heart that eventually leads to the heart stopping altogether. ... pac This page meets Wikipedias criteria for speedy deletion. ... This article does not cite any references or sources. ... An ectopic pacemaker or ectopic focus is an excitable group of cells that causes a premature heart beat outside the normally functioning SA node of the human heart. ... Sick sinus syndrome, also called Bradycardia-tachycardia syndrome is a group of abnormal heartbeats (arrhythmias) presumably caused by a malfunction of the sinus node, the hearts natural pacemaker. ... Cardiovascular disease refers to the class of diseases that involve the heart or blood vessels (arteries and veins). ... Cardiomegaly is a medical condition wherein the heart is enlarged. ... Although ventricular hypertrophy may occur in either the left or right or both ventricles of the heart , left ventricular hypertrophy (LVH) is more commonly encountered. ... Left ventricular hypertrophy (LVH) is the thickening of the myocardium (muscle) of the left ventricle of the heart. ... Right ventricular hypertrophy (RVH) is a form of ventricular hypertrophy affecting the right ventricle. ... Cerebrovascular disease is damage to the blood vessels in the brain, resulting in a stroke. ... This article needs cleanup. ... A intracranial hemorrhage is a bleed into the substance of the cerebrum. ... Extra-axial hematoma, or extra-axial hemorrhage is a subtype of intracranial hemorrhage, or bleeding within the intracranial space, that occurs within the skull but outside of the brain tissue itself. ... Nontraumatic epidural hematoma in a young woman. ... A subdural hematoma (SDH) is a form of traumatic brain injury in which blood collects between the dura (the outer protective covering of the brain) and the arachnoid (the middle layer of the meninges). ... Subarachnoid hemorrhage (SAH) is bleeding into the subarachnoid space surrounding the brain, i. ... Intra-axial hemorrhages, or intra-axial hematomas, are a subtype of intracranial hemorrhage that occur within the brain tissue itself. ... Intraventricular hemorrhage (or IVH) is a bleeding of the ventricles, where the cerebrospinal fluid is produced and circulates through towards the subarachnoid space. ... Intra-axial hemorrhages, or intra-axial hematomas, are a subtype of intracranial hemorrhage that occur within the brain tissue itself. ... Ischemia or infarction of the spinal cord in the distribution of the anterior spinal artery, which supplies the ventral two-thirds of the spinal cord and Medulla. ... Binswangers disease is a rare form of multi-infarct dementia caused by damage to deep white brain matter. ... Moyamoya disease is an extremely rare disorder in most parts of the world except in Japan. ... Section of an artery An artery or arterial is also a class of highway. ... An arteriole is a blood vessel that extends and branchs out from an artery and leads to capillaries. ... The word capillary is used to describe any very narrow tube or channel through which a fluid can pass. ... Renal artery stenosis is the narrowing of the renal artery. ... Aortic dissection is a tear in the wall of the aorta (the largest artery of the body). ... A plate from Grays Anatomy with yellow lines depicting the most common infrarenal location of the AAA. Abdominal aortic aneurysm, also written as AAA and often pronounced triple-A, is a localized dilatation of the abdominal aorta, that exceeds the normal diameter by more than 50%. The normal diameter... Post surgical photo of brain aneurysm survivor. ... Raynauds phenomenon (RAY-noz), in medicine, is a vasospastic disorder causing discoloration of the fingers, toes, and occasionally other extremities, named for French physician Maurice Raynaud (1834 - 1881). ... Raynauds disease (RAY-noz) is a condition that affects blood flow to the extremities which include the fingers, toes, nose and ears when exposed to temperature changes or stress. ... Buergers disease (also known as thromboangiitis obliterans) is an acute inflammation and thrombosis (clotting) of arteries and veins of the hands and feet. ... In medicine, vasculitis (plural: vasculitides) is a group of diseases featuring inflammation of the wall of blood vessels due to leukocyte migration and resultant damage. ... Arteritis is inflammation of the walls of arteries, usually as a result of infection or auto-immune response. ... Aortitis is the inflammation of the aorta. ... Intermittent claudication is a cramping sensation in the legs that is present during exercise or walking and occurs as a result of decreased oxygen supply. ... An arteriovenous fistula is an abnormal connection or passageway between an artery and a vein. ... In medicine, hereditary hemorrhagic telangiectasia (HHT), also known as Rendu-Osler-Weber syndrome, is a genetic disorder that leads to vascular malformations. ... A spider angioma (also known as a nevus araneus, spider nevus, or vascular spider) is a type of angioma found slightly below the skins surface, often containing a central red spot and reddish extensions which radiate outwards like a spiders web. ... Carotid artery dissection is an important cause of stroke in young patients. ... In medical contexts, dissection refers to a tear in the wall of a blood vessel. ... In the circulatory system, a vein is a blood vessel that carries blood toward the heart. ... Lymph originates as blood plasma lost from the circulatory system, which leaks out into the surrounding tissues. ... Lymph nodes are components of the lymphatic system. ... Thrombosis is the formation of a clot or thrombus inside a blood vessel, obstructing the flow of blood through the circulatory system. ... Phlebitis is an inflammation of a vein, usually in the legs. ... It has been suggested that this article or section be merged into deep vein thrombosis. ... This article is about Deep-vein thrombosis. ... May-Thurner syndrome is deep vein thrombosis of the iliofemoral vein due to compression of the left common iliac vein by overlying right common iliac artery. ... A venous thrombosis is a blood clot that forms within a vein. ... In medicine (gastroenterology and hepatology), Budd-Chiari syndrome is the clinical picture caused by occlusion of the hepatic vein. ... Renal vein thrombosis (RVT) is the formation of a clot or thrombus obstructing the renal vein, leading to a reduction in drainage of the kidney. ... Paget-Schroetter disease (also Paget-von Schrötter disease) refers to deep vein thrombosis of an upper extremity vein, including the axillary vein or subclavian vein. ... Vein gymnastics in the barefoot park Dornstetten, Germany. ... A portacaval anastomosis is a specific type of anastomosis that occurs between the veins of portal circulation and those of systemic circulation. ... Hemorrhoids (AmE), haemorrhoids (BrE), emerods, or piles are varicosities or swelling and inflammation of veins in the rectum and anus. ... In medicine (gastroenterology), esophageal varices are extreme dilations of sub mucosal veins in the mucosa of the esophagus in diseases featuring portal hypertension, secondary to cirrhosis primarily. ... Cross section showing the pampiniform plexus Varicocele is an abnormal enlargement of the veins in the scrotum draining the testicles. ... Gastric varices are dilated submucosal veins in the stomach. ... Caput medusae means dilated veins around the umbilicus. ... Superior vena cava syndrome (SVCS) is a result of obstruction of the superior vena cava. ... Lymphadenopathy is a term meaning disease of the lymph nodes. ... Azskeptic 17:34, 10 July 2007 (UTC) Lymphedema, also spelled lymphoedema, also known as lymphatic obstruction, is a condition of localized fluid retention caused by a compromised lymphatic system. ... Lymphadenopathy is swelling of one or more lymph nodes. ... In physiology and medicine, hypotension refers to an abnormally low blood pressure. ... Orthostatic hypotension (also known as postural hypotension, orthostatic intolerance and, colloquially, as head rush or a dizzy spell) is a sudden fall in blood pressure, typically greater than 20/10 mm Hg, that occurs when a person assumes a standing position, usually after a prolonged period of rest. ... Rheumatic fever is an inflammatory disease which may develop after a Group A streptococcal infection (such as strep throat or scarlet fever) and can involve the heart, joints, skin, and brain. ...

External Links

  • Aortic Aneurysm Center
  • lombard medical

 
 

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