Hello Rosie, I'm aware of at least one study showing pulsatile Tinnitus being cured through surgery. See below for details,
Sigmoid Sinus Diverticulum: A New Surgical Approach to the Correction of Pulsatile Tinnitus
Otto, Kristen J.*; Hudgins, Patricia A.†; Abdelkafy, Wael*‡; Mattox, Douglas...