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Topic: Stenosis

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	Spinal Stenosis - Lumbar and Cervical
		San Diego, CA Spinal stenosis is a narrowing of the spinal canal, which places pressure on the spinal cord.
		In these patients, stenosis is the gradual result of aging and “wear and tear” on the spine during everyday activities.
		The goal of the surgery is to relieve pressure on the spinal cord or spinal nerve by widening the spinal canal.
	www.spineuniverse.com /displayarticle.php/article209.html (1651 words)

	Back pain causes - Mechanical Disorders - Stenosis
		Lumbar spinal stenosis is a disease that is caused by a gradual narrowing of the spinal canal.
		Spinal stenosis may be caused by a number of processes that decrease the amount of space in the spinal canal available for the neural elements.
		Pain in the buttocks or leg, which is a common symptom of lumbar spinal stenosis, may be associated with the compression of the micro-vascular structures carrying blood flow to the nerve roots.
	www.back.com /causes-mechanical-stenosis.html (1118 words)

	Patient Education - Spinal Stenosis
		Spinal stenosis (or narrowing) is a common condition that occurs when the small spinal canal that contains the nerve roots and spinal cord becomes restricted.
		Spinal stenosis is typically the result of osteoarthritis causing a pinching of the spinal cord.
		This “acquired spinal stenosis” can occur from the narrowing of the space around the spinal cord due to bony overgrowth from osteoarthritis combined with thickening of one of the ligaments in the back, and a bulge of the intervertebral discs.
	www.rheumatology.org /public/factsheets/stenosis.asp (1096 words)

	U-M CVC - Aortic Stenosis (Site not responding. Last check: )
		Aortic stenosis is a term used to describe congenital heart defects that cause obstruction of blood flow from the heart to the body.
		Mild aortic stenosis is when the pressure difference is less than 30-40 mmHg, moderate aortic stenosis is when the pressure is 40 to 50-60 mmHg, and severe aortic stenosis is when the pressure is greater than 60-70 mmHg.
		If the aortic stenosis is trivial, they may be permitted to participate in competitive athletics but will need to see their cardiologist regularly to make sure that the narrowing has not progressed.
	www.med.umich.edu /cvc/mchc/paraor.htm (2576 words)

	Lumbar Spine Stenosis: A Common Cause of Back and Leg Pain - April 15, 1998 - American Academy of Family Physicians
		In most cases, stenosis of the lumbar canal may be attributed to acquired degenerative or arthritic changes of the intervertebral discs, ligaments and facet joints surrounding the lumbar canal.
		Symptoms of lumbar stenosis appear or worsen with the onset of amublation or on standing, and are promptly relieved by sitting or lying down.
		Degenerative subluxation of lumbar vertebrae (spondylolisthesis) is another cause of acquired stenosis of the lumbar spinal canal, particularly at the L4 and L5 levels, and may manifest clinically with neurogenic intermittent claudication as well.
	www.aafp.org /afp/980415ap/alvarez.html (4607 words)

	Cervical and Lumbar Spinal Stenosis
		Spinal Stenosis is the narrowing of the spinal canal by a piece of bone or disc material.
		Most cases of spinal stenosis occur in the lower back (lumbar spine) and will affect the sciatic nerve, which runs along the back of the leg.
		Spinal Stenosis Aging-With age, the body's ligaments (tough connective Click here to learn about your arthroscopic alternative to correct Spinal Stenosis tissues between the bones in the spine) can thicken.
	www.laserspineinstitute.com /back_problems/spinal_stenosis (820 words)

	Meatal stenosis and circumcision
		The cardinal symptoms of meatal stenosis were penile pain at the initiation of micturition (12 of 12), narrow, high velocity stream (8 of 12) and the need to sit or stand back from the toilet bowl to urinate (6 of 12).
		Meatal stenosis as a complication is often missed by the clinician because children do not usually have late follow-up after circumcision.
		Another explanation of post-circumcision meatal stenosis could be ischaemia of the meatal mucosa, as several techniques of circumcision involve damage to the frenular artery.
	www.cirp.org /library/complications/persad (988 words)

	Aortic valve stenosis - CNN.com
		Aortic valve stenosis — or aortic stenosis — is a condition in which the heart's aortic valve narrows.
		Aortic valve stenosis is narrowing of the aortic valve.
		Aortic valve stenosis also may be related to age and the buildup of calcium deposits on heart valves or a history of rheumatic fever.
	www.cnn.com /HEALTH/library/DS/00418.html (2903 words)

	Spinal Stenosis - Narrow Spinal Canal, CT Myelogram (Site not responding. Last check: )
		Spinal stenosis refers to narrowing of the spinal canal which causes pressure on the spinal nerves or cord.
		The congenital form of spinal stenosis is seen in individuals who are born with a narrow spinal canal.
		The more common acquired form of stenosis is caused by progressive changes in different spinal elements (such as the discs, joints, ligaments, etc.) As people age, all these different elements sag or bulge and form arthritis that narrows the spinal canal.
	www.espineinstitute.com /Conditions_SpinalStenosis.htm (305 words)

	Lumbosacral Stenosis (Cauda Equina Syndrome) in Dogs
		Lumbosacral stenosis has also been termed lumbosacral instability, lumbosacral malformation, lumbosacral malarticulation, lumbar spinal stenosis, lumbosacral spondylolisthesis, lumbosacral nerve root compression, and cauda equina syndrome.
		Or, lumbosacral stenosis can be a congenital condition, meaning the dog was born with the abnormality.
		Displacement of the dye by the abnormalities in the bones and intervertebral disc confirms the diagnosis of lumbosacral stenosis.
	www.peteducation.com /article.cfm?cls=2&cat=1569&articleid=456 (723 words)

	Pyloric Stenosis
		Pyloric stenosis is a narrowing of the pylorus, the lower part of the stomach through which food and other stomach contents pass to enter the small intestine.
		When an infant has pyloric stenosis, the muscles in the pylorus have become enlarged to the point where food is prevented from emptying out of the stomach.
		Infants suspected of having pyloric stenosis usually undergo blood tests because the continuous vomiting of stomach acid, as well as the resulting dehydration from fluid losses, can cause salt (electrolyte) imbalances in the blood that need to be corrected.
	kidshealth.org /parent/medical/digestive/pyloric_stenosis.html (1614 words)

	LUMBAR SPINAL STENOSIS
		If your doctor determines that lumbar spinal stenosis is causing your pain, he or she will usually try nonsurgical treatments at first.
		Unless significant or progressive leg weakness develops, or bowel or bladder problems occur, the presence of spinal stenosis by itself usually does not represent a dangerous condition in the adult, Therefore, treatment is aimed at pain reduction and increasing the patient's ability to function.
		Since spinal stenosis is a narrowing of the bony canal, the goal of the surgery is to open up the bony canal to improve available space for the nerves.
	www.spine.org /articles/lumbarspinalstenosis.cfm (1327 words)

	Pyloric Stenosis (Site not responding. Last check: )
		Pyloric stenosis is the narrowing of part of the stomach (the pylorus) that leads into the small intestines.
		The diagnosis of pyloric stenosis is made when an infant has a history of progressive forceful vomiting.
		If a diagnosis of pyloric stenosis is made, the baby will have some blood work done to check for dehydration.
	www.pedisurg.com /PtEduc/Pyloric_Stenosis.htm (696 words)

	Questions and Answers About Spinal Stenosis (Site not responding. Last check: )
		Spinal stenosis is a narrowing of spaces in the spine (backbone) that results in pressure on the spinal cord and/or nerve roots.
		A large ligament often involved in spinal stenosis is the ligamentum flavum, which runs as a continuous band from lamina to lamina in the spine.
		Although not a common cause of spinal stenosis, damage to ligaments, bones, and joints that begins as synovitis (inflammation of the synovial membrane which lines the inside of the joint) has a severe and disrupting effect on joint function.
	www.niams.nih.gov /hi/topics/spinalstenosis/spinal_sten.htm (3561 words)

	eMedicine - Spinal Stenosis : Article by Lennard A Nadalo, MD (Site not responding. Last check: )
		In cases of severe lumbar stenosis, innervation of the urinary bladder and the rectum may be affected, but most often, lumbar stenosis results in back pain with lower extremity weakness and numbness along the distribution of nerve roots of the lumbar plexus.
		Lateral spinal stenosis generally results in symptoms that are directly related to compression of the nerve roots at the level of the stenosis.
		Lateral cervical stenosis results from encroachment on the lateral recess and the neuroforamina of the cervical region, primarily as a result of hypertrophy of the uncovertebral joints, lateral disc annulus bulging, and facet hypertrophy.
	www.emedicine.com /radio/topic644.htm (5326 words)

	cervical stenosis valium
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	www.wildersmith.org /valium/cervical-stenosis-valium.html (676 words)

	Lumbar Spinal Canal Stenosis: A Common Cause of Back and Leg Pain -- familydoctor.org (Site not responding. Last check: )
		The lumbar spinal canal is the space in the lower spine that carries nerves to your legs.
		Although your doctor can probably tell if you have stenosis by asking you about your symptoms, sometimes special tests and x-rays of the spine are needed to make the diagnosis.
		Lumbar spinal canal stenosis is not the same as a ruptured disk.
	familydoctor.org /256.xml (541 words)

	Pyloric Stenosis Information on Healthline
		Pyloric stenosis refers to a narrowing of the passage between the stomach and the small intestine.
		Infants with a family history of pyloric stenosis are more at risk for the condition, which tends to occur less often in females, fls, and Asians.
		The cause of pyloric stenosis is not known.
	www.healthline.com /galecontent/pyloric-stenosis (615 words)

	eMedicine - Spinal Stenosis : Article by John NK Hsiang, MD, PhD
		Spinal stenosis refers to narrowing of the spinal canal, nerve root canals, or intervertebral foramina due to spondylosis and degenerative disk disease.
		If the stenosis is severe enough, or if it is positioned centrally in the spine, patients may present with signs and symptoms of myelopathy (spinal cord dysfunction).
		Although this is not the most sensitive imaging study to show stenosis from degenerative changes, it is useful in excluding fracture, spondylolysis, or neoplasm as the cause of symptoms.
	www.emedicine.com /med/topic2889.htm (2232 words)

	Spinal Stenosis
		Spinal stenosis is a narrowing of the passage where the spinal cord runs.
		In the illustration of cervical stenosis (above left), the narrowing is caused by bone spurs growing into the spinal canal.
		In the illustration of lumbar stenosis (above right), the narrowing is caused by thickening of the spinal ligaments.
	www.csmc.edu /5733.html (408 words)

	Lumbar Spinal Canal Stenosis: A Common Cause of Back and Leg Pain -- familydoctor.org (Site not responding. Last check: )
		This narrowing is called "stenosis." As the lumbar spinal canal narrows, the nerves that go through it are squeezed.
		Although your doctor can probably tell if you have stenosis by asking you about your symptoms, sometimes special tests and x-rays of the spine are needed to make the diagnosis.
		Lumbar spinal canal stenosis is not the same as a ruptured disk.
	www.familydoctor.org /256.xml (541 words)

	MedlinePlus: Spinal Stenosis
		The primary NIH organization for research on Spinal Stenosis is the National Institute of Arthritis and Musculoskeletal and Skin Diseases
		Spinal stenosis occurs mostly in people older than 50.
		Younger people with a spine injury or a narrow spinal canal are also at risk.
	www.nlm.nih.gov /medlineplus/spinalstenosis.html (338 words)

	NeurosurgeryToday.org \| What is Neurosurgery \| Patient Education Materials \| lumbar spinal stenosis
		Lumbar spinal stenosis is a narrowing of the spinal canal which compresses the nerves traveling through the lower back into the legs.
		Lumbar spinal stenosis may or may not produce symptoms, depending on the severity of your case.
		Although a large percentage of lumbar spinal stenosis patients report significant pain relief after surgery, there is no guarantee that surgery will help every individual.
	www.neurosurgerytoday.org /what/patient_e/lumbar.asp (1233 words)

	Lumbar Spinal Stenosis (Site not responding. Last check: )
		Lumbar spinal stenosis is usually caused by the wear-and-tear changes of aging.
		Typically patients with lumbar spinal stenosis have a long history of pain in the back, buttocks or legs that gradually becomes worse.
		The surgical procedure for lumbar spinal stenosis involves removing the bone and soft tissue that are pinching the nerves.
	orthoinfo.aaos.org /fact/thr_report.cfm?Thread_ID=128&topcategory=Spine (1278 words)

	Benign Tracheal Stenosis
		Endoscopic dilation alone as the sole treatment of functional tracheal stenosis is not successful on a long-term basis and should be used as a temporizing measure prior to definitive therapy.
		Poor results are guaranteed when there is circumferential scarring, the stenosis is greater than one centimeter in vertical dimension, there has been loss of cartilage, tracheomalacia is present, or when there is a history of tracheal infection secondary to a tracheotomy.
		An MRI scan of her neck demonstrated a two centimeter length of tracheal stenosis at the level of C6 and C7, at which point the airway narrowed to approximately five millimeters in diameter.
	www.bcm.tmc.edu /oto/grand/61591.html (2763 words)

	What is pulmonic stenosis (Site not responding. Last check: )
		With pulmonic stenosis, there is partial obstruction of normal blood flow, most commonly due to a malformation of the pulmonic valve ("pulmonic valve dysplasia") but the abnormality may be immediately above or below the valve as well.
		With moderate-to-severe pulmonic stenosis, your dog may experience signs associated with low cardiac output and/or right-sided heart failure, such as respiratory difficulties, fainting, tiring with exercise, abnormal cardiac rhythms, abdominal swelling due to an enlarged liver or the accumulation of fluid because of failing circulation, or sudden death.
		Once pulmonic stenosis has been diagnosed, Doppler echocardiography or cardiac catheterization can be done to measure the pressure gradient between the right ventricle and the pulmonary artery, to determine the severity of the obstruction.
	www.jyetara.com /pulmonicstenosis.html (1571 words)

	Congenital Aortic Stenosis treatment options at Mayo Clinic (Site not responding. Last check: )
		Congenital (present at birth) aortic stenosis (AS) is a narrowing of the aortic valve or the area just below or above the aortic valve, which causes resistance to the forward ejection of blood from the left ventricle.
		In many cases of mild aortic stenosis, periodic evaluation is all that is required if heart function and forward blood flow are not significantly compromised.
		Surgery to relieve the area of stenosis is a primary treatment for congenital aortic stenosis.
	www.mayoclinic.org /congenitalaorticstenosis-rst (884 words)

	Carotid Artery Stenosis
		Carotid artery stenosis is the narrowing of the carotid arteries.
		Carotid artery stenosis, also called carotid artery disease, is a major risk factor for ischemic stroke.
		The stenosis can be easily detected with an ultrasound probe placed on the side of the neck near the carotid arteries.
	www.americanheart.org /presenter.jhtml?identifier=4497 (271 words)

	pulmonic stenosis
		Pulmonic stenosis is a heart defect that results in narrowing of one of the heart valves (the pulmonic valve).
		Pulmonic stenosis is known to be inherited in some dog breeds.
		The tendency of certain other breeds of dog to develop pulmonic stenosis suggests that it may be genetic in these other breeds also.
	www.bobmckee.com /Client%20Info/Cardiac/pulmonic%20stenosis.html (703 words)

	PROVET HEALTHCARE INFORMATION - Aortic stenosis
		Because aortic stenosis is thought to have a genetic basis affected animals should not be bred from.
		Narrowing of the outflow channel between the left ventricle and the main artery of the body, the aorta, is called aortic stenosis.
		There is reported to be an increased risk of developing aortic stenosis in Boxers (50% of cases reported in the UK), English Bull Terriers, German Shepherd Dogs, German Short-haired Pointers, Golden Retrievers, Newfoundlands and Samoyeds It has also been seen in smaller breeds such as terriers.
	www.provet.co.uk /health/diseases/aortic%20stenosis.htm (457 words)

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