Boy, 15, ‘miraculously’ recovers after suffering rare brain clot

Doctors have described how a teenager ‘survived against all odds’ after suffering a rare brain clot.

Warrick Allon, 15, was rushed to emergency surgery at Southampton Children’s Hospital (SCH) after collapsing and becoming unresponsive after complaining of a headache to his home in Andover, Hampshire, in April.

Scans showed he had an arteriovenous malformation (AVM) – an abnormal tangle of blood vessels – which had ruptured, causing a large blood clot to form and bleeding on his brain.

Neurosurgeon Aabir Chakraborty led the team in the operation to reduce the pressure buildup, which included draining the fluid surrounding the brain and removing the blood clot and some of the abnormal vessels that had caused the hemorrhage .

15-year-old 'miraculously' recovers from blood clot

Warrick Allon, 15, after his operation. He made a ‘miraculous’ recovery after being rushed for emergency surgery at Southampton Children’s Hospital (Southampton University Hospital/PA)

The operation also involved removing part of Warrick’s skull, which was sewn into his back during surgery to allow swelling around the brain to reduce and preserve bone.

He survived the six-hour surgery, but was unable to speak, walk or eat after developing common syndrome with invasive surgery near the brain.

But now, after working with a specialist neurorehabilitation team at CHS, Warrick is able to walk and communicate again and has returned to school part-time.

Mr Chakraborty said: ‘I could see it was an unusually large blood clot which had caused considerable pressure around Warrick’s brainstem, the lower part of the brain which is connected to the spinal cord.

“I was very concerned that he was at high risk of imminent brain death, so it was imperative that we get him into surgery as soon as possible.”

Warrick’s mother, Krissie, said: “I will remember this moment forever. We asked what Warrick’s chances of survival were and were told it was 50/50.

“It all happened so fast, but I remember telling Mr Chakraborty that my boy was not going to die. It wasn’t denial, it was determination – he wasn’t going to die that day.

15-year-old 'miraculously' recovers from blood clot

Warrick Allon during a physiotherapy session after his operation (University Hospital Southampton/PA)

Mr Chakraborty added: “I’m so happy to see how far Warrick has come – he really survived against all odds. He and his family are some of the most remarkable people I have ever met. I look forward to seeing his positive progress.

Warrick’s father, Dave Allon, who lives in Andover with his wife Lisa, said: ‘We can’t thank Mr Chakraborty and the incredible team at Southampton Children’s Hospital enough.

“What they did was nothing short of miraculous, they not only saved his life, they brought him home to us and we will be forever grateful.”

Warrick will now continue his outpatient rehabilitation program and aims to pass his GCSE exams and attend university in 2023.

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