Mother-of-two, 42, battling agonizing condition after knee surgery nicknamed ‘suicide disease’


When mother-of-two Kristin Fast ruptured the ACL in her left leg in February 2018, she was told she would need surgery to repair it.

Doctors told the 42-year-old from Phoenix, Arizona, that it would be a simple procedure and to take it easy for the 10 days that followed.

But in the days and weeks after the operation, Fast’s leg stayed purple and swollen, and the slightest touch left her in severe pain.

That’s when she was diagnosed with a rare nerve condition called Complex Regional Pain Syndrome (CRPS).

The condition allegedly causes the most pain a human can endure and has come to be known as ‘suicide disease’ because of how many people take their own lives following a diagnosis. 

According to the National Organization for Rare Disorders, CRPS usually develops in an arm or a leg and after an injury, a surgery, a heart attack or a stroke. 

Symptoms include a burning sensation in the affected extremity; sensitivity to touch or cold; swelling; and changes in skin temperature, skin color and skin texture. 

The cause of CRPS is not well-understood but is believed to be due to the peripheral and central nervous systems being injured.

Currently there is no known cure although there are a number of therapies used to manage symptoms including oral and topical pain relievers, nerve-blocking medications and behavioral management therapy.

There are fewer than 200,000 CRPS patients in the US with the disease affecting two to five percent of people with peripheral nerve injuries.

Fast says that before her diagnosis in April 2018, she was outgoing and active and she expected to be up within two weeks of her surgery.

‘Within six days of the surgery, my leg was way worse than expected, not better,’ she said.

‘By that time, my leg had turned purple and became very sensitive to touch. I began sleeping with a “tent” over it because I had become so sensitive to anything touching my leg.’   

Fast likens her constant pain to a burning hot ice-cold sensation that feels like leaving a hand in freezing cold water for five minutes.

She says that even splashes from a shower feels like someone has taken a razor to her leg and ‘sliced it right open’.

If she doesn’t elevate her leg, it can turn almost black because blood is not properly circulating. This forces her to be confined to a wheelchair.

Fast also suffers with a bone-crushing ache, muscle ache, cramps and atrophy in her quadriceps, hamstring and calf.  

‘CRPS is the most painful condition known to human existence because there is no escape from the pain. It can happen to anyone, at any time, after any injury,’ she said.

‘Imagine cutting off your finger. Imagine the pain. Now imagine that happening to you every second, every minute, of every day.’

Fast has had four spinal blocks, which involves narcotics or an anesthetic being injected with a needle, in an attempt to block the pain – but it has been unsuccessful. 

In May, she flew to Italy for a trial drug called neridronic acid. It is part of a class of medicines called bisphosphonates, which bind to the bone’s surface and stop bone breakdown. 

The drug can take up to a year to work but Fast says she has seen some improvement in her condition already.

Fast has started a non-profit called ComplexTruths, Inc, the goal of which is to raise awareness for a cure of the condition, as well as a GoFundMe to raise money for research.

So far, more than $21,400 has been raised out of a $1million goal. 

‘Ultimately, we want to fund research and help others get the treatment they may not be able to pay for themselves,’ she said.

‘This GoFundMe account is going to help me get better and it’s going to help others get better.

‘By starting up this website and foundation, I not only hold myself accountable every day to thousands of people but to myself.’    

With her foundation, Fast hopes to be an inspiration for others and her own two daughters.

‘They help manage the pain so that I can function. They bring my everyday pain levels down from a twelve to a seven to eight where I can compartmentalize the pain as long as I stay busy,’ she said. 

‘I am looking for a cure, I am making a difference and teaching my daughters that one person can make a huge impact in the world if they try.’ 


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