Research Directions
Despite many years of research, the central question of whether to treat AVMs has not been answered. All treatments, whether involving surgery, radiation, or drugs, have risks and side-effects. Therefore, it might be better in some cases to avoid treatment altogether and simply accept a small risk of coming to harm from the AVM itself. This question is currently being addressed in clinical trials.
Read more about this topic: Arteriovenous Malformation
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—Marvin Cohen, U.S. author and humorist. The Self-Devoted Friend, New Directions (1967)