Narrator: This is Science Today. Researchers at the University of California, San Francisco previously found that when it comes to treating an aneurysm, a method using coils to pack the inside walls of a weakened brain artery works just as well as clipping the aneurysm over the long term. Now, neurologist S. Claiborne Johnston says they've completed a second study looking at the short term benefits of these methods.
Johnston : There's a big debate about how much you need to work to treat the aneurysm. Can you just put a little coil in there, can you just clip the top part of the aneurysm? Is that enough to prevent it from doing any harm later?
Narrator: The researchers specifically looked into whether it's alright to loosely pack coils or clip the aneurysm slightly off the perfect spot. Johnston says the answer is no.
Johnston : So, it looks like the patients who have the early re-ruptures after they're treated are the patients who are not completely treated initially. So, hopefully that will help the surgeons and interventionalists in making better decisions about how to treat patients.
Narrator: For Science Today, I'm Larissa Branin.