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Published On: Tue, Dec 19th, 2017

Ultra-marathon runner, 41, who ran between 50 and 100 miles each day developed anaemia because his ‘repetitive forceful foot striking’ destroyed his blood cells

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By Stephen Matthews For Mailonlin

An ultra-marathon runner who jogged up to 100 miles (160km) each day developed anaemia – because of his passion for long-distance running.
The 41-year-old man, named as Christopher Pokrana, was told his ‘repetitive forceful foot striking’ was to blame for his condition.
Doctors explained how the constant barrage of abuse on his feet against pavements led to haemolysis – the destruction of red blood cells.
And this then led to mild anemia because of the rapid obliteration of his blood cells, according to a medical case report.
Mr Pokrana followed all advice including changing his running shoes every 500 miles (804km) – as guidelines recommend, it is believed.
The bizarre story, which intrigued doctors in Virginia, was published in the BMJ Case Reports – a prestigious journal for medical tales.
Medics, led by Dr Katharine DeGeorge at the University of Virginia, revealed his condition – often referred to as ‘runner’s pseudoanemia’ by those in the industry.
Following a health screening that spotted a form of mild anaemia, Mr Pokrana was worried and sought medical advice.
He displayed no symptoms of anemia, which can be life-threatening without treatment.
Mr Pokrana told doctors that he would train for ultra-marathons on most days by running between 50 and 100 miles each day.
He came upon the diagnosis of ‘runner’s psuedoanemia’ himself and brought it to the attention of his physician, the report explains.
Further tests confirmed his suspicions.
Mr Pokrana wasn’t overly concerned about his reduced performance – despite the time and effort spent getting prepared for his races.
Writing in the journal, the doctors who treated him said he only had ‘undue worry that there was a more serious explanation’.
They added that his intravascular haemolysis was most likely ‘due to repetitive foot striking associated with his long-distance running’.
Mr Pokrana continues to run long distances ‘without the need for any interventions’, the medics wrote in the journal.
He came upon the diagnosis of ‘runner’s psuedoanemia’ himself and brought it to the attention of his physician, the report explains.
Further tests confirmed his suspicions.
Mr Pokrana wasn’t overly concerned about his reduced performance – despite the time and effort spent getting prepared for his races.
Writing in the journal, the doctors who treated him said he only had ‘undue worry that there was a more serious explanation’.
They added that his intravascular haemolysis was most likely ‘due to repetitive foot striking associated with his long-distance running’.
Mr Pokrana continues to run long distances ‘without the need for any interventions’, the medics wrote in the journal.
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