Damage to the spinal cord, an information superhighway that originates in the brain, is a very devastating injury that can lead to paralysis. Most people have heard of traumatic spinal cord injuries because the sudden tragedies grab headlines from time to time. But, few people have heard of spinal stenosis, a narrowing of the tube which shelters the spinal cord called the spinal canal (See Spine Anatomy 101 ). As the space tightens like a noose, this slow strangulation of the nerves in the spine can disrupt anyone’s life. Sara turned 68 years old last month. She has enjoyed good health and has been an avid golfer. But, lately she has noticed an aching pain in her legs that occurs when she is walking or standing. This new problem has really slowed her golf game down and has made it difficult for her to even do her own grocery shopping. The only way she can make it up and down the aisles is by leaning on the shopping cart because that eases her pain. Frustrated, she calls to ...
Definition Meatal stenosis is a narrowing of the opening of the urethra, the tube through which urine leaves the body. Alternative Names Urethral meatal stenosis Causes, incidence, and risk factors Meatal stenosis can affect both males and females, but it is more common in males. In males, it is often caused by swelling and irritation (inflammation) after a newborn is circumcised . This leads to abnormal tissue growth and scarring across the opening of the urethra. The problem is usually not found until the child is toilet trained. In females, this condition is present at birth (congenital). Although less common, metal stenosis may also affect adult women. Risks include: Having multiple endoscopic procedures ( cystoscopy ) Severe, long-term atrophic vaginitis
Pulmonary valve stenosis is a heart valve disorder that involves the pulmonary valve.
This valve separates the right ventricle (one of the chambers in the heart) and the pulmonary artery. The pulmonary artery carries oxygen-poor blood to the lungs.
Stenosis occurs when the valve cannot open wide enough. As a result, less blood flows to the lungs.
Valvular pulmonary stenosis; Heart valve pulmonary stenosis; Pulmonary stenosis; Stenosis - pulmonary valve; Balloon valvuloplasty - pulmonary
Causes, incidence, and risk factors
Narrowing in the pulmonary valve is usually present at birth (congenital). It is caused by a problem that occurs when the unborn baby (fetus) is developing. The cause is unknown, but genetics may play a role.
Narrowing that occurs in the valve itself is called pulmonary valve stenosis. There may also be narrowing just before or just after the valve.
The defect may occur alone or with other cong...
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