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Topic: Clot

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	Coagulation - Wikipedia, the free encyclopedia
		It is an important part of hemostasis whereby a damaged blood vessel wall is covered by a fibrin clot to stop hemorrhage and aid repair of the damaged vessel.
		Contrary to popular belief, coagulation from a cut on the skin is not initiated by air or drying out, but by platelets adhering to and activated by collagen in the blood vessel lining.
		The minor role that the contact activation pathway has in initiating clot formation can be illustrated by the fact that patients with severe deficiencies of FXII, HMWK and prekallikrein do not have a bleeding disorder.
	en.wikipedia.org /wiki/Clot (2138 words)

	Mechanically locking blood clot filter - Patent 4832055
		A blood clot filter particularly suited for filtering blood clots from blood circulating through the inferior vena cava is composed of a number of peripheral wires joined at one end by a first connector and also joined approximately at their middle portions by a second connector.
		Moreover, because blood clot filter 20 engages the internal walls 108 and 110 of the blood vessel both along the periphery of filter mesh 52 and the hooked ends of the leg portions, blood clot filter 20 is positioned centrally along the longitudinal axis of the blood vessel.
		However, blood clot filter 20 must then be pushed along the delivery catheter to the distal end thereof; during this procedure, the hooked ends of the blood clot filter legs scrape against the inner wall of the delivery catheter and could dislodge particles therefrom.
	www.freepatentsonline.com /4832055.html (10678 words)

	The Evolution of Vertebrate Blood clotting
		Clotting with fewer steps would still work, but it would take longer to produce a substantial clot, and would be much less responsive to smaller injuries.
		For example, most of the enzymes involved in clotting are serine proteases, protein-cutting enzymes so-named because of the presence of a highly reactive serine in their active sites, the business ends of the protein.
		Now, if the gene duplications that produced the clotting cascade occurred long ago in an ancestral vertebrate, we should be able to take any other vertebrate and construct a similar tree in which the relationships between the five clotting proteases match the relationships between the human proteases.
	www.millerandlevine.com /km/evol/DI/clot/Clotting.html (3906 words)

	LOVENOX® Therapy - Treatment for Blood Clots - LOVENOX® (Site not responding. Last check: 2007-11-05)
		There are several anticoagulation blood clot treatments available for a blood clot, including heparin for the treatment of a blood clot and warfarin for the treatment of a blood clot.
		The goal is to reduce the risk of a harmful blood clot forming or moving in patients that are at risk for developing a blood clot.
		DVT is a blood clot condition in which a blood clot develops in deep veins of the body.
	www.lovenox.com /consumer/about/therapy.do (429 words)

	Deep Vein Thrombosis and Blood Clot Symptoms
		Veins in the legs are most susceptible to blood clot formation, but deep vein thrombosis can occur in any large vein, including blood vessels in the pelvis and arms.
		The area around the blood clot may be red, swollen, or possibly bluish in color.
		While many blood clots dissolve naturally within a week or two of formation, waiting for DVT symptoms to resolve on their own can be fatal.
	www.deep-vein-thrombosis-symptoms.com (412 words)

	Oral contraceptives and blood clots
		The blood clots associated with using oral contraceptives occur in the veins of the legs.
		These blood clots in the veins are not the same as the clots that you can see in menstrual blood when you have your period.
		Your risk of having a blood clot can also be temporarily increased, for example by a long flight, childbirth, being immobilised by injury or illness, or by having surgery.
	www.medsafe.govt.nz /Consumers/leaflets/oralcontraceptives.htm (872 words)

	Tim Hentzel's Deep Vein Thrombosis (blood clot)
		It appeared that the clot had not moved, but that significant damage had occurred to the blood vessels in my calf preventing the blood from flowing out of the leg causing significant pain (like putting a rubber-band around your finger).
		He indicated that once a clot had been stable for more than a week the possibility of it detaching was very low.
		Furthermore, he said the ultra-sound showed that the clot was still very well attached and was beginning to recanalize (blood was making holes in the clot).
	www.hentzel.com /clot.htm (2117 words)

	To prevent another dangerous leg clot, take drugs longer, research suggests
		Painful clots in a vein deep inside the leg strike more than 40,000 Americans a year, and at least 15 percent have another clot, often months later.
		But after that, the patients still run an increased risk of another clot, unless the original one was caused by a reversible condition, such as an injury, surgery or immobilization.
		Of the 79 people receiving the longer warfarin treatment, one died and one had another clot, although that was after the patient stopped taking warfarin because it had caused internal bleeding.
	www.freep.com /news/health/qclot25.htm (394 words)

	CNN - Study: Clot-busting drug safe for pulmonary embolism - August 4, 1997
		Use of the clot busters to treat pulmonary embolism has been controversial, because the drugs can cause severe bleeding problems.
		However, in one of the largest studies yet, the German researchers found thrombolytic treatment -- that is use of the clot busters -- helped save lives in patients without severe symptoms, the group which has most divided doctors over use of the drugs.
		Clots often form in the lungs in patients bedridden after surgery, or for other medical reasons.
	www.cnn.com /HEALTH/9708/04/clot.busters (304 words)

	Clot Retraction (Site not responding. Last check: 2007-11-05)
		With normal clots and normal hematocrits, the clot in a red top tube occupies 40% to 60% of the original volume.
		When normal clots are removed from the tube, serum drips from the clot at a rate of two drops or less in 2 minutes.
		A normal clot is firm and tightly attached to the stick.
	www.mgh.harvard.edu /labmed/lab/coag/handbook/co001000.htm (515 words)

	Laser Blasts Blood Clot in 49 Seconds
		Here a clot that cuts off the blood supply to the brain, causing a massive stroke, is vaporized in just 49 seconds by a tiny laser placed in a catheter that is threaded through the body and up into the carotid artery, which supplies blood to the brain.
		The team first identifies and locates a clot using complex X-rays and then "threads the laser catheter from the groin up to the carotid," he says.
		The laser catheter is first pushed through the clot and then the laser is "fired" as the laser is pulled back through the clot," says Clark.
	my.webmd.com /content/Article/21/1728_55010.htm (591 words)

	Airhealth.org - Home - Avoid Economy Class Syndrome
		A clot in the lung is pulmonary embolism, PE.
		Clots also form in the arterial system and in the heart, leading to heart failure and stroke.
		Correct diagnosis and treatment is usually delayed, aggravating the injury and increasing the risk of permanent vein damage and further injury or death when a clot travels to the lungs, brain, or heart.
	www.airhealth.org (269 words)

	Clot-Busting Drugs Prevent Leg Pain, Swelling
		If the clot is not dissolved, using a blood thinner alone can avoid fatal complications, but it won't help the legs.
		Those who were treated with the clot buster urokinase were less likely to have recurrent clots or continued leg swelling compared with those that received the blood thinner.
		Haskal says that in addition to using clot-busting drugs, researchers are using sound waves to break apart clots, which is a technique he is developing in a small study.
	my.webmd.com /content/article/84/98309.htm (637 words)

	Blood Clot
		Unlike the previous tale, here the baby is born from a clot of buffalo blood and derives his power from the mighty buffalo tribe.
		Next Blood Clot said, "I have killed a big fellow with big antlers." It was an elk, so again the family feasted on meat.
		When the chief returned, Blood Clot told him to have all the tepees fastened and to warn the people that they should stay indoors, for there would be a great storm.
	world-of-wolfspirit.freeservers.com /native1c.html (1144 words)

	Blood Platelets
		A clot begins to form when the blood is exposed to air.
		A blood clot that forms inside of a blood vessel can be deadly because it blocks the flow of blood, cutting off the supply of oxygen.
		A stroke is the result of a clot in an artery of the brain.
	sln.fi.edu /biosci/blood/platelet.html (331 words)

	Dorlands Medical Dictionary
		blood clot, a coagulum in the blood stream formed of an aggregation of blood factors, primarily platelets, and fibrin with entrapment of cellular elements; see also thrombus.
		sentinel clot, a discrete protuberance within the crater of a peptic ulcer, usually representing a hemostatic clot in the vessel or a false aneurysm; pigmentation of the protuberance is often prognostic of rebleeding of the ulcer.
		plastic clot, a clot formed on the intima of an artery at the point of ligation, permanently obstructing the artery.
	www.mercksource.com /pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszSzuszSzcommonzSzdorlandszSzdorlandzSzdmd_c_41zPzhtm (1689 words)

	TPA Approval -- Blood Clot Dissolver
		A heart attack occurs, typically, after a blood clot develops in one of the arteries to the heart, blocking oxygen-rich blood to that part of the heart muscle.
		Arterial blood clots are thought to be the primary cause of heart tissue damage in about 80 percent of heart attack victims.
		As a result of additional data submitted by the manufacturer, the answer to first question is in the negative and the second in the affirmative.
	www.fda.gov /bbs/topics/NEWS/NEW00191.html (1018 words)

	Business Wire: Research Suggests EKOS Technology May Enhance Effectiveness of Clot-Dissolving Therapy in Peripheral ...
		These are pieces of clot that break away and may lodge in blood vessels elsewhere in the body.
		Leftover clot is deleterious not only because it can embolize but also because it acts as an anchor for new clot formation that, over time, can once again interrupt blood flow through the vessel.
		In the current study, angioscopy showed that the inside of the vessels treated with ultrasound and drug had virtually no clot remaining, while the drug-only group had persistent clot fragments even in the vessels that were considered open by angiographic evaluation.
	www.findarticles.com /p/articles/mi_m0EIN/is_2001_August_16/ai_77254683 (875 words)

	clot. The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
		A compact group: a clot of automobiles blocking the tunnel's entrance.
		To form into a clot or clots; coagulate.
		To cause to form into a clot or clots.
	www.bartleby.com /61/85/C0418500.html (121 words)

	MedlinePlus Medical Encyclopedia: Deep venous thrombosis
		Deep venous thrombosis is a condition where there is a blood clot in a deep vein (a vein that accompanies an artery).
		It involves the formation of a clot (thrombus) in the larger veins of the area.
		Risks include prolonged sitting, bedrest, or immobilization (such as on long plane or car trips), recent surgery or trauma (especially hip, knee or gynecological surgery), fractures, childbirth within the last 6 months and the use of medications such as estrogen and birth control pills.
	www.nlm.nih.gov /medlineplus/ency/article/000156.htm (748 words)

	Deep vein thrombosis - DVT blood clot symptoms and treatment
		A deep vein thrombosis (DVT) is a blood clot (thrombus) that develops in a deep vein, usually in the leg.
		But when a clot forms in or above the knee, there is a risk that it will break away and travel up the vein to block a blood vessel in the lung.
		This is because one of the main ways a wound heals is through clotting, and anticoagulants interfere with this process.
	hcd2.bupa.co.uk /fact_sheets/mosby_factsheets/Deep_Vein_Thrombosis.html (1204 words)

	Clot: the searchable poetry magazine listing service (Site not responding. Last check: 2007-11-05)
		Clot: does not include an exhaustive list of poetry magazines (there's thousands of them being published all the time, both in hardcopy and online).
		Use the buttons on the left of the screen, and the buttons included within each listing, to navigate around Clot: - further information can be found in the Frequently Asked Questions page.
		This new updated website (version 2) is mainly an improvement (in my view at least) to the user interface, together with changes to the registration and login processes tomake them more secure.
	www.kalieda.org /newclot/index.php (344 words)

	Scuba Diving After a Blood Clot
		"A blood clot in the legs, known as a deep venous thrombosis, is a dangerous problem and it seems a bit scary to follow this experience by participating in a potentially dangerous activity such as scuba diving.
		However, once the treatment for the blood clot is completed and your fiance is back to his normal activities, scuba diving, by itself, is not going to make it any more likely that your fiance will have another clot.
		Finally, depending on how old he is (less than 40?) and how he developed the clot in the first place, he may have an inherited disorder which might make him more likely to develop a blood clot than the average man his age.
	healthlink.mcw.edu /article/989700208.html (435 words)

	Clot-busting Drugs May Help Detect Potentially (Site not responding. Last check: 2007-11-05)
		This risk is the main reason flight attendants remind passengers to stretch their legs on long flights and hospitals put intermittent inflatable devices on the legs of bedridden patients.
		While the standard d-dimer test has been shown highly efficient at detecting a clot once it has reached the lungs, called a pulmonary embolism, it’s not as efficient at finding clots deep in the leg veins where many of them start.
		They hypothesized that the lower part of the legs has lower rates of clot dissolution because a clot large enough to occlude a vessel in the leg would minimize contact between the clot and the blood.
	www.sciencedaily.com /releases/2005/02/050218140211.htm (977 words)

	Postgraduate Medicine: Patient Notes: Deep vein thrombosis
		A blood clot (or thrombus) can form in the veins deep in these areas, and the clot then blocks the flow of blood and causes swelling and inflammation.
		The moving clot is called an embolus, and it can lodge in the lungs, brain, or heart and cause serious damage.
		In most cases, deep vein clots heal without any special treatment, but extra care may be needed to keep the clot from breaking off and traveling to the lungs, heart, or brain.
	www.postgradmed.com /issues/2000/09_00/pn_dvt.htm (677 words)

	The Decorated Clot: Binding of Agents of the Innate Immune System to the Fibrils of the Limulus Blood Clot -- Armstrong ...
		The fibrils of the clot produced by monolayers of Limulus blood cells are visible by phase contrast microscopy (A, C) and immunostain with an antibody against the Limulus pentraxins (B).
		The fibrin fibers of the mammalian blood clot are known to bind
		which are presumed to protect the clot from proteolysis (18).
	www.biolbull.org /cgi/content/full/205/2/201 (962 words)

	Clot (Site not responding. Last check: 2007-11-05)
		A clot is any mass of semi-solid coagulated liquid.
		The willingness of blood to clot is affected by many inputs.
		There are other factors in the blood that make clotting more or less likely.
	www.theezine.net /c/clot.html (115 words)

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