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Doctor insights on: What Causes An Avm To Develop In The Fetus

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What causes an avm to develop in the fetus?

What causes an avm to develop in the fetus?

Depends: There are a variety of mechanisms that lead to vascular malformations. Some are related to familial predispositions while other are purely sporadic errors in the process of development. ...Read more

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Dr. Jefferson Chen
159 doctors shared insights

Arteriovenous Malformation (Definition)

Is an abnormal connection and proliferation of the connection ...Read more


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If i had AVM since i was born? would i have symptoms by now? wouldn't it have gotten bigger and cause headaches?

If i had AVM since i was born? would i have symptoms by now? wouldn't it have gotten bigger and cause headaches?

AVM: Most AVM don't expand and are in the proportion in the brain. They don't cause headaches. When they bleed, they may cause seizures or stroke like episodes, best to discuss with your doctor. ...Read more

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What are the causes of Dural Arteriovenous Malformations? (DAVM)

What are the causes of Dural Arteriovenous Malformations? (DAVM)

Dural avm: Unlike other brain AVMs which are congenital, dural AVMs are believed to be acquired. Dural AVMs are not infectious or inherited. Occasionally, a dural AVM has been reported following cranial surgery.The reasons for the development of dural AVMs are unknown. They may result from a blood clot in a large venous channel which then forms a connection between a dural artery and vein during the repair. ...Read more

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Can a 2mm avm cause small bleeding in the brain?

AVM: A 2mm avm is an extremely small size avm and impressed they were able to find it on radiologic studies. An avm always has a risk of bleeding but if only 2mm in size this would be a low flow avm and the risks on the lower size. I would recommend followup in the future to make sure there is no growth in the avm as that would change the treatment. ...Read more

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I was born at 51/2 months. I want a baby but worried I have a avm due to being preemie and that pregnancy will cause stroke. Can i ask for tests?

I was born at 51/2 months. I want a baby but worried I have a avm due to being preemie and that pregnancy will cause stroke. Can i ask for tests?

APPT with MFM: You are the ideal candidate to see mfm (maternal/fetal medicine) doctor before you get pregnant. They can discuss risk of pregnancy to you and risk of problems to the baby due to both your problems and the risk of prematurity. Needs lots more info than given here, but this specialist can help guide you through everything and help decide if risks are present and how they could affect you and baby. ...Read more

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I had a brain avm removed 11 years ago & now have encephalomalacia which has seemed to get bigger over the years and causes seizures, is that normal?

I had a brain avm removed 11 years ago & now have encephalomalacia which has seemed to get bigger over the years and causes seizures, is that normal?

Not uncommon: AVM can cause focal seizures and secondarily generalized seizures. Sometimes seizures occur years after surgery. Often seizures are well controlled with a single anticonvulsant ...Read more

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Are pre eclampsia, blood clot and AVM only cause of stroke in Pregnancy? Can i get tests done to see how likely a blood clot would develop? AVM?

Are pre eclampsia, blood clot and AVM only cause of stroke in Pregnancy? Can i  get tests done to see how likely a blood clot would develop? AVM?

Stroke in pregnancy: There are many causes of stroke in pregnancy, some unique to being pregnant. The list is quite exhaustive but include all the things that would make young people art risk. Diabetes, HTN, smoking, bleeding disorders, clotting disorders, collagen vascular disease, trauma, cardiac conditions, DVT with paradoxical emboli, hematologic malignancies, inherited disorders of connective tissue, congenital A ...Read more

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Have iron defiency anemia. My grandson had a brain avm that ruptured. Could I have an undiagnosed avm that causes this?

Have iron defiency anemia. My grandson had a brain avm that ruptured. Could I have an  undiagnosed  avm that causes this?

Unlikely: Its unlikely that your anemia is related to avm. If your grandson had an avm he was likely born with it. There are certain types of avms that run in families but other family members are usually affected. ...Read more

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Hubby small avm ruptured-caused diplopia. 3 neurosurgeons haven't linked infant spinal meningitis & plan radiosurgery . Should spinal tap been given?

Hubby small avm ruptured-caused diplopia. 3 neurosurgeons haven't linked infant spinal meningitis & plan radiosurgery . Should spinal tap been given?

No: a spinal tap may worsen the situation due to change in pressure gradient (usually there is some swelling with leaking avm's as free blood is an irritant) Gamma knife surgery makes sense. ...Read more

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Have disc bulge l4-5 causing sciatica but because had brain surgery to remove a haematoma on brain caused by avm 4 months ago can't take painkillers?

Have disc bulge l4-5 causing sciatica but because had brain surgery to remove a haematoma on brain caused by avm 4 months ago can't take painkillers?

3 good spine txs:: 1) Exercise https://www.youtube.com/watch?v=20zybMbnVoU 2) Medication, ie gabapentin http://www.spine-health.com/forum/pain/sciatica-leg-pain-radiculopathy/gabapentin-sciatic-nerve-pain 3) Epidural injection https://www.youtube.com/watch?v=KqL9gzVkAJQ ...Read more

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