angiogram of the eye is useful in detailed diagnosis of the eye, but it is not a routine examination. If a retinal specialist sees abnormalities in the eye or if an individual notices a new distortion while using the Amsler grid, then an angiogram may be recommended to aid in planning treatment. However, the angiogram procedure involves injecting a dye into the vein of the arm. The fluorescein travels rapidly into the eye circulation, which can then be imaged.

PXE is a system for supporting reliable long-running process execution. PXE Container — an extensible software container for hosting long-running services — sits at the core of PXE. A number of [PXE Service Provider]s extend the container to support various types of services.

Evaluate possible problems with blood vessels that affect blood flow, such as a tear that can cause blockage or internal bleeding, aneurysms that indicate a weakness in the blood vessel wall, narrow areas, and blockage caused by blood clots or the buildup of fatty deposits. Investigate the pattern of blood flow to a tumor. This can help determine the extent of the tumor and guide treatment.

angiogram is an x-ray picture of blood vessels or chambers of the heart that shows the course of a special fluid called a contrast medium or dye injected into the bloodstream. Traditional angiography is an invasive procedure performed in a hospital catheterization laboratory and usually requires a day of hospitalization. Heartscan's Electron Beam Angiography (EBA) test is a non-invasive alternative to traditional coronary angiography.

Right before the Wada test, a cerebral angiogram is done. The angiogram looks at blood flow within the brain to make sure that there are no obstacles to performing the Wada. The neuroradiologist inserts a catheter (a long, narrow tube) into an artery, usually in the leg. The catheter is directed to the right or left internal carotid artery in the neck, which supplies the brain with blood. Once the catheter is in place, a dye is injected. Some patients report a warm sensation when this happens.

There have been isolated case reports of arterial and skin calcification in mammograms of patients with PXE, and unpublished anecdotes of many women with PXE undergoing breast biopsy for evaluation of microcalcifications. A 2003 study published in the Journal of the American Academy of Dermatology2 systematically evaluated mammography and breast pathology in PXE. Breast microcalcification and arterial calcification are not rare in the normal population and are often not of diagnostic value.

Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) that is associated with an increased risk of gastrointestinal bleeding, both because it can cause gastric stomach inflammation, and because it can inhibit the activity of platelets, which help to form blood clots when you are injured. This increases the risk of gastrointestinal bleeding In PXE. The risk is not high, but such hemorrhages can be severe. If an alternative therapy can be considered, that might be preferable. [March 2006]

Celebrex, is a COX-2 inhibitor, which means it has no platelet effects and appears less likely to cause GI bleeding than standard COX-1 inhibitor drugs, although it is not completely free of such risk. If a person with PXE needs a NSAID (nonsteroidal anti-inflammatory drug), Celebrex is probably the best choice, although it is not risk-free. Vioxx, a similar drug, has been withdrawn from the market because of an increased risk of cardiac complications such as heart attack.

Disalcid (salsalate) is a non-steroidal anti-inflammatory drug (NSAID) that does not have an aspirin-like effect on platelets and is somewhat less irritating to the stomach than aspirin, so it is safer than aspirin for someone with PXE. However, as with Celebrex, the risk of GI bleeding is lower but not zero. Nothing is perfectly safe. [March 2006]

LASIK is a laser treatment to improve vision for people with myopia. There are mixed opinions about individuals with PXE having LASIK. One of our advisors suggests that with eyes that are not healthy to start with, why introduce another potential for vision loss. For example, the suction rings that stabilize the eye during the LASIK procedure may increase the intraocular pressure to several hundred millimeters of mercury.

The coronary CT angiogram that we do at Heart Scan of Chicago is actually one of the most comprehensive ways of imaging the heart and coronary arteries. The first thing and most important thing that we want to look at are the coronary arteries themselves.

To date, there is no published evidence of difficulties with birth-control pills related to PXE. [March 2006]

far as we know from our survey of 795 pregnancies1, there does not appear to be a statistically significant risk of PXE causing an adverse outcome of pregnancy, or of pregnancy adversely affecting the subsequent course or severity of PXE. Because patients with PXE can have pregnancy related complications especially if they have underlying vascular disease or hypertension or are having ongoing eye problems, this can affect the management of the pregnancy.

PXE is caused by inheriting a mutation in the ABCC6 gene from both your father and mother. It is not caused by chemicals ingested by pregnant women or otherwise encountered during pregnancy. [March 2006]

Fosamax is not contraindicated in PXE. The class of drugs it belongs to inhibits bone resorption and does not affect mineralization of elastic tissue. The medication can cause gastric and esophageal irritation because it must be taken on an empty stomach, but PXE International is not aware of any reported problem with this in patients with PXE. Evista is a selective estrogen receptor modulator.

The overall incidence is unknown and it probably is not high. The presumption is when an individual with PXE has minor erosions, such as from aspirin or nonsteroidal anti-inflammatory drugs (NSAIDs) or from acid peptic disease bleed, the abnormal arterial vessels in PXE do not constrict normally to shunt blood away from the ulcerations. That is all conjecture.

far as PXE International is aware, there are no special risks of colonoscopy that are related to PXE - that is, the procedure should not be any riskier than in a person without PXE. There might be specific signs of PXE noted on colonoscopy, but these are not dangerous. You are encouraged to have this procedure if you are over 50, if you have risk factors for colon cancer, or if you have any medical issues, such as bleeding or anemia, that would warrant a colonoscopy.

This treatment is called "feeder-frond" photocoagulation, using a rapid video angiogram to find the incoming vessel, and then coagulating it with laser. Unfortunately, this cannot work if the retinologist cannot see the feeder, and he or she often cannot image or visualize the feeder vessel. The prolific growth of blood vessels in PXE probably makes this a less useful treatment. No individuals affected by PXE report receiving this treatment anymore.