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Topic: Descending aorta

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abdominal aorta

thoracic aorta

ascending aorta

Coarctation of aorta dominant

Pulmonary artery coming from the aorta

Cystic medial necrosis of aorta

Coarctation of the aorta

Aorta pulmonary artery fistula

a tear in his aorta

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	VI. The Arteries. 5. The Arteries of the Trunk. a. The Descending Aorta. Gray, Henry. 1918. Anatomy of the Human Body.
		At its commencement, it is situated on the left of the vertebral column; it approaches the median line as it descends; and, at its termination, lies directly in front of the column.
		In a few cases an apparently double descending thoracic aorta has been found, the two vessels lying side by side, and eventually fusing to form a single tube in the lower part of the thorax or in the abdomen.
		The superior phrenic branches are small and arise from the lower part of the thoracic aorta; they are distributed to the posterior part of the upper surface of the diaphragm, and anastomose with the musculophrenic and pericardiacophrenic arteries.
	www.bartleby.com /107/153.html (1464 words)

	Aorta
		Recent recognition of familial clustering of patients with abdominal aortic aneurysm, the identification of genetic defects in collagen in a family with multiple aneurysms' and the detection of abnormal collagenase and elastase in tissue from aortic aneurysms resected at operation have led some to the assumption that atherosclerosis is invariably the underlying pathophysiologic mechanism.
		Dilatation of the aortic knob and descending thoracic aorta is typical of distal disease.
		For ascending aortic dissection, the procedure consists in transection of the ascending aorta with use of cardiopulmonary bypass, obliteration of the false lumen by approximation of the inner and outer walls of the false channel, and end-to-end anastomosis of the transected aorta.
	www.rjmatthewsmd.com /Definitions/aorta.htm (5098 words)

	Descending Aorta (Site not responding. Last check: 2007-10-08)
		Although the descending aorta is positioned to the left of the body's midline, it gradually descends to directly in front of the vertebral column at the left of the 12th thoracic vertebra.
		The portion of the descending aorta above the diaphragm is called the "thoracic aorta" and gives off branches into the thoracic wall.
		Below the diaphragm, the descending aorta becomes the "abdominal aorta," stemming off into branches which reach the abdominal wall and various tissues and organs of the abdomen.
	www.innerbody.com /text/card33.html (99 words)

	Descending aorta definition - Medical Dictionary definitions of popular medical terms
		Descending aorta: The descending aorta is the part of the aorta, the largest artery in the body, that runs down through the chest and the abdomen.
		The descending aorta is nonetheless a hallowed and convenient division of the aorta.
		The descending aorta is known in medical Latin variously as the aorta descendens and the pars descendens aortae (under which headings it is often concealed in print medical dictionaries).
	www.medterms.com /script/main/art.asp?articlekey=8639 (310 words)

	Abdominal Aorta \| World of Anatomy and Physiology
		The abdominal aorta is a region of the descending aorta, originating superiorly as a continuation of the thoracic aorta as it passes through an opening in the diaphragm, and terminating inferiorly as the abdominal aorta bifurcates (divides into two structures) into the left and right common iliac arteries.
		Lateral to the aorta are the inferior phrenics, middle supernal, renal, and ovarian or testicular arteries.
		As a region of the descending aorta, the abdominal aorta arises in the embryo from the dorsal aortas that are located on each side of the notochord.
	www.bookrags.com /research/abdominal-aorta-wap (604 words)

	Aneurysm of Aorta
		Approximately one third of the patients with an aneurysm of the descending thoracic aorta are asymptomatic, the disease being diagnosed by plain radiography of the chest.
		A plain radiograph of the chest often suggests aneurysm of the ascending aorta, and CT or MRI is extremely useful in identifying the extent of the aneurysm.
		Traumatic injuries of the aorta are increasing in frequency and recognition.
	members.tripod.com /~enotes/aorticaneurysm2.htm (928 words)

	eMedicine - Thoracic Aortic Aneurysm : Article by Vibhuti N Singh, MD, MPH, FACC, FSCAI (Site not responding. Last check: 2007-10-08)
		Aneurysms in the aortic arch are often contiguous with aneurysms of the ascending or descending aorta.
		The predominant etiology of aneurysms of the descending thoracic aorta is atherosclerosis.
		Aneurysms of the arch or descending aorta may compress the trachea or main stem bronchus and produce tracheal deviation, wheezing, cough, dyspnea (with symptoms that may be positional), hemoptysis, or recurrent pneumonitis.
	www.emedicine.com /radio/topic687.htm (4699 words)

	New device found to be effective in repairing torn aortas
		A dissection can occur either in the ascending aorta, which is contiguous to the heart and directs blood supply to the head and arms, or in the descending aorta, which carries blood into the abdomen and pelvis.
		A tear in the ascending aorta, known as a Type A dissection, is typically treated with a surgical procedure in which a tube of polyester graft material is stitched to the arterial wall to replace the damaged segment.
		Patients who have a rip in the descending aorta, known as a Type B dissection, are most often treated with drugs to keep their blood pressure in check, Dake said.
	mednews.stanford.edu /releases/1999/mayreleases/tornaorta.html (1232 words)

	Aorta
		The normal value for the descending aorta is 1.6 cm/m2 for BSA, and aneurysm is present when a value of 3 cm is exceeded.
		The descending aorta is smaller then the ascending aorta because it contains less blood after the branches from the aorta that go to the head come off.
		The ratio of ascending to descending aorta should normally be about 3:2 but the descending aorta can become relatively larger with age in comparison to the ascending.
	www.medhelp.org /forums/cardio/messages/35049.html (1550 words)

	Cedars-Sinai Heart Center - Questions about Marfan Syndrome
		If the aorta increases by 5 mm within 6 months this indicates a fast progression of the disease, and surgery should be done within that time frame.
		Yes, a dissected descending aorta in the presence of the Marfan syndrome does require surgery, and it is suggested that surgery be done when the enlargement reaches 4.5 cm.
		Generally, when the aorta reaches 4.0 cm, Marfan syndrome patients should be evaluated by an expert aortic surgeon and placed on a supervised program in anticipation of elective surgery when the aorta reaches 4.5 cm.
	www.csmc.edu /5590.html (1333 words)

	Cardiothoracic Education: Aortic Aneurysms and Dissections
		A tear in the intima and separation of th media along a trajectory of the aorta is a dissection.
		Repair of an aneurysm of the descending aorta may be done with simple clamping proximally and distally and insertion of a tube graft (usually of woven dacron).
		The problem with repair of the the descending aortic aneurysms is the frequent distal embolization of atherosclerotic debris to the lower extremities or mesenteric arteries with mesenteric ischemia and necrosis.
	www.cts.usc.edu /educationfellowships-studenthandout-aadissections.html (480 words)

	Risk Factors for Descending Aortic Aneurysm Formation in Medium-Term Follow-up of Patients With Type A Aortic ...
		the diameters of the isthmus of the aorta and descending aortic
		descending aorta diameter; acute dissection; and nonuse of the
		Urgent surgical resection of the ascending aorta with graft
	www.chestjournal.org /cgi/content/full/124/3/989 (3432 words)

	Bicuspid Aortic Foundation Aneurysm and Dissection Page
		The aortic root, ascending aorta, aortic arch, descending aorta, and thoracoabdominal aorta all are considered part of the thoracic (chest) aorta, and are treated by thoracic aortic specialists.
		The part of the aorta that includes the lower descending aorta passing through the diaphragm and ending at the level of the renal arteries is called the thoracoabdominal aorta.
		Type B dissection (intimal tearing of the descending and thoracoabdominal aorta) in the short term is less dangerous, as long as it does not cut off the blood supply to the lower body and its organs.
	www.bicuspidfoundation.com /Aortic_Aneurysm_and_Dissection.html (3739 words)

	HPI :
		Interruption of the aortic arch is characterized by lack of a channel between the aortic arch and the descending aorta.
		Type C involves the left common carotid and left subclavian arteries arising from the descending aorta.
		Coarctation of the Aorta can occur as a discrete juxtaductal obstruction or as a tubular hypoplasia of the transverse aorta starting at one of the head or neck vessels and extending to the ductal area.
	www.rain.org /~landon/Patterson/Pattersondoc.htm (1063 words)

	138 EACTS Abstracts 1998 - INTRAMURAL HEMATOMA OF THE THORACIC AORTA (Site not responding. Last check: 2007-10-08)
		One patient was primarily diagnosed as a ruptured aneurysm of the descending aorta.
		Conclusions: Intramural hematomas of the ascending aorta are true dissections, whereas hematomas in the descending aorta may be bleeding from vasa vasorum, and not necessarily communicate with the lumen of the aorta.
		Treatment should be aggressive surgery for acute lesions of the ascending aorta and conservative for lesions in the descending aorta.
	www.ctsnet.org /doc/2565 (252 words)

	Endoluminal stent-graft placement for acute rupture of the descending thoracic aorta -- Scheinert et al. 25 (8): 694 -- ...
		of the aorta, as opposed to aortic clamping and operative graft
		in the ascending aorta as the cause of this dissection.
		Rupture of thoracic aorta caused by blunt trauma.
	eurheartj.oxfordjournals.org /cgi/content/full/25/8/694 (3005 words)

	Aortic Aneurysms and Left Ventricular Aneurysms.
		Aneurysms of this type involve the section of the aorta in the chest (thoracic) area from the subclavian artery leading to the left arm to the abdomen.
		Aneurysms of the descending thoracic aorta (ADTA) may be monitored for growth.
		If the aneurysm is in the lower part of the abdomen, it may involve the part of the aorta that divides into the femoral arteries.
	www.texheartsurgeons.com /Aneurysms.htm (863 words)

	Cardiovascular Diseases (Site not responding. Last check: 2007-10-08)
		The aorta extends upward from the top of the left ventricle of the heart in the chest area (ascending thoracic aorta), then curves like a candy cane (aortic arch) downward through the chest area (descending thoracic aorta) into the abdomen (abdominal aorta).
		The descending thoracic aorta is the most common location of a thoracic aneurysm, followed by the ascending segment, then the arch.
		The aorta is under constant pressure from blood being ejected from the heart.
	www.northeastmedical.org /Health_Info/adult/content.cfm?PageID=P08258 (1774 words)

	Stent-graft effective for aortas: 5/99
		Probably the most devastating condition that can affect the aorta, the main line from the heart, is a problem known as an aortic dissection, a tear in the inner lining of the aorta that unzips the vessel and allows blood to spill down a second channel.
		Patients who have a rip in the descending aorta, known as a Type B dissection, are most often treated with drugs to keep their blood pressure in check.
		The researchers began testing the stent-grafts for descending aortic dissections in 1996 as a possible alternative to traditional open surgery and in hopes of improving patient odds of survival.
	www.stanford.edu /dept/news/report/news/1999/may26/stentaorta-526.html (1044 words)

	aorta
		The full extent of the contained aortic rupture (pseudoaneurysm) is evident as it projects anteromedially from the descending arch at the ligamentum arteriosum, just distal to the origin of the left subclavian artery.
		The next cut is below the level of injury, with the caliber and contour of the descending arch back to normal.
		The patient underwent prompt "clamp and sew" repair of the partially transected aorta via a left anterolateral thoracotomy.
	www.surgery.ucsf.edu /eastbaytrauma/Pictures/imagesbluntaorta.htm (246 words)

	The National Marfan Foundation
		An aortic aneurysm is the ballooning, enlargement or dilation of the aorta, the main blood vessel that carries blood away from the heart.
		The thoracic aorta consists of the ascending aorta leading up from the heart, the aortic arch and the descending aorta leading down from the heart.
		The abdominal aorta begins as the descending aorta passes the diaphragm into the abdomen.
	www.marfan.org /nmf/GetContentRequestHandler.do?menu_item_id=79 (925 words)

	Imaging the post-operative thoracic aorta: normal anatomy and pitfalls -- Riley et al. 74 (888): 1150 -- The British ...
		The distal graft lies free in the lumen of the proximal descending aorta.
		from the distal aortic arch to the upper abdominal aorta.
		The native descending thoracic aorta caudad to the
	bjr.birjournals.org /cgi/content/full/74/888/1150 (2334 words)

	NEJM -- Cardiac Compression by a Ruptured Aneurysm of the Descending Thoracic Aorta
		NEJM -- Cardiac Compression by a Ruptured Aneurysm of the Descending Thoracic Aorta
		Cardiac Compression by a Ruptured Aneurysm of the Descending Thoracic Aorta
		At that time, the thoracic aorta measured 5.6 cm in diameter just above the diaphragm, but there was kinking in the lower third of the descending aorta with a large mural thrombus (Panel A).
	content.nejm.org /cgi/content/short/348/18/1776 (170 words)

	Aortic Aneurysms and Dissections
		Intimal tear in the ascending aorta but dissection is limited to the ascending aorta and arch only.
		Intimal tear in the descending aorta distal to the left subclavian artery and limited to the descending aorta.
		Intimal tear in the descending aorta disal to the left subclavian artery and limited to the descending aorta.
	www.cts.usc.edu /studenthandout-aorticaneurysmsdissections.html (501 words)

	Posterior Pericardial Ascending-to-Descending Aortic Bypass: An Alternative Surgical Approach for Complex Coarctation ...
		recurrent coarctation of the aorta (n=7) and coarctation of
		or because of difficulty with exposure of the descending aorta.
		Thomka I, Szedo F, Arvay A. Repair of coarctation of the aorta in adults with simultaneous aortic valve replacement and coronary artery bypass grafting.
	circ.ahajournals.org /cgi/content/full/104/suppl_1/I-133 (2094 words)

	Intracranial arterial dolichoectasia is associated with enlarged descending thoracic aorta -- Pico et al. 63 (11): 2016 ...
		Intracranial arterial dolichoectasia is associated with enlarged descending thoracic aorta -- Pico et al.
		Intracranial arterial dolichoectasia is associated with enlarged descending thoracic aorta
		in descending thoracic aorta diameter was 1.22 (95% CI, 1.02
	www.neurology.org /cgi/content/abstract/63/11/2016 (391 words)

	Regression of Arteriovenous Fistula Between the Descending Aorta and Azygos Vein After Catheterization -- Saito et al. ...
		Regression of Arteriovenous Fistula Between the Descending Aorta and Azygos Vein After Catheterization -- Saito et al.
		Selective angiogram of arteriovenous fistula (lateral image) shows that feeding artery and draining vein are both single, and ostium of fistula is slightly stenotic.
		aorta and azygos or hemiazygos vein is extremely rare.
	www.ajronline.org /cgi/content/full/176/2/550 (671 words)

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