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In this disease, there is a definite risk of rebleeding due to rerupture of the aneurysm, any time in the next month. Usually this is fatal or very serious. Similarly, between 4 to 12 days of primary bleeding, there is a spasm in the vessel distal to aneurysm - so called vasospasm. This is the cause of delayed paralysis and morbidity. This can be largely prevented with the help of drugs and hydration. Further, salt depletion and seizures are also nons known complications.
So, once the diagnosis is confirmed, in appropriate cases the aneurysm is clipped by surgery. It is either covered by a tissue or a plastic coating is done. Sometimes the Carotid artery in the neck is tied for the treatment. In the cases of large aneurysms, treatment is also done with the help of balloon.
For treating AV Malformation, Block resection or Ligation Technique is used or it can be cauterized by a proton beam. Now-a-days gamma knife is more frequently used where gamma rays generated from a cobalt source are focused by a gamma knife and the cauterization is done with precision.
In those cases where surgery is not possible, embolisation is carried out by platinum foil. This technique can be used both in aneurysm as well as in AV Malformation. Luckily, all these surgical techniques and procedures are available in major cities in India and hence the mortality and morbidity are reduced very significantly.
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