NEW : ` ` I feel like it 's just been a rough week for her , '' Jani ##j 's mother tells us . Jahi , 13 , underwent a surgery to fix her problems . When told that his niece was brain dead , Sealey said the entire family went into `` complete devastation . '' After complications , ` ` she is 100 % brain damaged . Medically dead , '' her uncle says .
NEW : ` ` I feel like it 's just been a rough week for her , '' Jani ##j 's mother tells us . Jahi , 13 , underwent a surgery to fix her problems . After complications , ` ` she is 100 % brain damaged . Medically dead , '' her uncle says .