Just recieved an email from the Doc that wrote this article:
Thank you for your interest in the article.
I will start by saying that the workout in our report was a
modification on a crossfit workout. I too came across some reports in
the grey literature (albeit not as many) . In fact, there is an
article in the crossfit journal that warns of rhabdomyolysis and
provides 4 cases as examples. However, I agree that there is no other
peer-reviewed literature on short-duration high intensity workouts and
Anecdotally, in the past 2 years our emergency room was started to see
about 2 cases per month of rhabdomyolysis mainly from crossfit and
p90x. So, I agree that they may be increasing. These cases are mainly
in people with intermediate conditioning. I hypothesize that it would
be difficult for a high level athlete or someone completely out of
shape to get EIR.
The question is what to do? Crossfit is very clear about the risk and
provides a graduated program. They also suggest training from experts
who will guide the trainees through the workouts. There has never to
my knowledge been a case of permanent renal failure related to EIR of
any kind. But is it only a matter of time? We know in crush injuries
rhabdo can cause renal failure or even death. Is there something
There is a commentary on the article you may find interesting: http://www.cmaj.ca/cgi/eletters/cmaj.100210v1#674304
In the end it is my hope that the article will raise suspicions in the
ER for EIR.