Patients receiving standard treatment for chronic subdural hematoma have a high risk of treatment failure. The effect of adjunctive middle meningeal artery embolization on the risk of treatment ...

Onyx is a liquid embolic agent that is injected into an artery to occlude blood flow. In subdural hematoma, it is used to block the MMA, stopping the chronic oozing of blood into the subdural space.

BARCELONA, Spain — A new randomized trial of embolization of the middle meningeal artery (EMMA) following surgery for chronic subdural hematoma showed striking results, with a major drop in hematoma ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...