Speaking after the conclusion, Mrs Sebastian said her daughter was “dramatically and horrendously” failed and that she was treated as an “inconvenience” in the unit.
“She was meant to be safe, but instead she was allowed to make several attempts to take her own life in the days leading up to her passing, until she finally succeeded,” she continued.
“There have been too many deaths.
“It is the most painful thing ever to lose a child and I will do everything I can to make sure it doesn’t happen to somebody else’s child.
“Lessons should have been learnt and I should still have had my beautiful baby girl.”
The Lampard Inquiry team has been monitoring the progress of the inquest.
Mr Scott said: “I want to say sorry to Elise’s family and to everyone who loved her that she did not receive the care she deserved, and I offer my deepest condolences.”