Sam Vanderpump, of Made in Chelsea fame, said he'd ignored two symptoms in a serious health scare he had before being diagnosed with end-stage liver disease.
Vanderpump, 28, revealed his diagnosis on a recent (27 October) episode of the show while speaking to Ollie Locke, where he said there was 'no hope of my liver getting better'.
He remembered that his doctor had said 'I wouldn’t be having this call with you if I thought you could make it through the next four or five years', so the TV star is now going to get an assessment ahead of a possible liver transplant.
End-stage liver disease occurs when an organ is damaged beyond repair and cannot function properly, and despite his diagnosis Vanderpump is hoping he can 'remain healthy' until he gets the call that it's time to go in for surgery.
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It's not the first time he's had a major health issue in the past year which required swift attention, as the 28-year-old had revealed that last Christmas he'd been hospitalised due to a genetic disease which led to sepsis.
It was so serious that doctors told him he could have died if he hadn't gone for treatment when he did.
Speaking to the Mirror in March, the Made in Chelsea star explained that he'd overlooked two symptoms, dehydration and severe back pain, which he had initially put down to the flu.
Vanderpump said: "I got an infection due to a genetic disease I've got, which led to sepsis and it ended up quite bad. I was in hospital and it was a close call; I could have died.
"There were signs which can so easily be mistaken for common flu symptoms. So now, every time I get a pain or feel a little lethargic, I think, 'Oh God, am I getting sepsis?' rather than, 'Do I have something completely minor?'"
While he ignored those two symptoms, he said his girlfriend 'saved his life' by calling an ambulance after he became 'delirious', with doctors telling Vanderpump it might have been too late for him if he'd been admitted to hospital 24 hours later.
They explained to him that his kidneys and liver could have started to fail if he'd left it any longer.
While the reality star waits for a liver transplant, he is feeling 'healthy' at the moment and has acknowledged that others are 'higher up on the list'.
Vanderpump's health issues have come at a difficult time for his family as he and fiancée, Alice Yaxley, are expecting their first child together.
Joe Harker