Following
the recall of the Stryker Rejuvenate and ABGII hip implants in July of this
year, physicians are still attempting to notify all those who received one of
these implants about the potential hazards. Stryker Orthopedics sent out an
Urgent Safety Notice to hospitals and physicians regarding these two hip
implants in April prior to the recall in July. Canada recalled the two hip
implant devices in May, soon after the safety notice went out. It is fairly
likely that many of those recipients of the Rejuvenate or ABGII are as yet
unaware of the recall due to the process involved in notifying all patients.
Potential Hazards of the Rejuvenate and
ABGII
Marketing
data states that there are between 30,000 and 50,000 recipients of the Stryker Rejuvenate and ABGII hip implants across the globe. In their safety letter
Stryker noted that the potential hazards of these implants included fretting,
corrosion and “excessive metal debris and/or ion generation.” In fact, many Rejuvenate and ABGII patients
began experiencing adverse health effects soon after their implant surgery.
Some of the more common negative health effects include inflammation, hip or groin
pain, popping or creaking noises, failure of the hip due to tissue damage or
metal toxicity which comes with its own set of negative health symptoms. Other
recipients of the Rejuvenate or ABGII experienced no negative symptoms for a
year, two years, or even more and some patients have yet to experience adverse
health effects.
The Likelihood of Negative Health
Effects
Unfortunately,
statistically speaking, a fair number of those who have not yet had negative
health effects may see those effects in the future. In other words, the likelihood that the hip
will fail, inflammation or pain will set in or metal toxicity will occur is
much greater than originally believed. This is seriously bad news for all the
patients who put their trust in a product that was supposed to be safe for
implantation into their body. When metal hips fail or there are symptoms of
metal toxicity, revision surgery could be the only option. As many as 50,000
people in the U.S. alone will be required to go through revision surgery due to
a failed hip implant.
The Dangers of Revision Surgery
The
removal of a Rejuvenate or ABGII is generally considered by orthopedic surgeons
to be much more complex than the removal of other hip implants due to the fact
that the stem is implanted more deeply into the femoral bone. The removal of
the ABGII or Rejuvenate therefore requires the surgeon to “dig out” the
implant, leaving less bone behind to attach the new implant to. Because the
surgeon must take so much time to get the ABGII or Rejuvenate out of the body,
the surgery is typically a lengthy one—from four to five hours. When patients
are on the operating table for this length of time, infection, excess bleeding
and nerve damage are all possibilities.
Some
patients even develop deep vein thrombosis following their revision surgery due
to the lengthy recovery time that can last up to six weeks during which the
patient must remain relatively inactive. In some cases the bone may grow around
and encapsulate the hip joint following a revision surgery therefore some
surgeons recommend radiation treatment immediately following the surgical
procedure. When the ABGII or Rejuvenate are removed, many patients will
experience broken femurs and the dislocation rates are much higher in these
revision surgeries. Finally, the mortality rate of revision surgery goes up
from 1 percent for the first implant surgery to 2.5 percent for revision
surgery according to Drug Watch.
The Emotional Toll of Revision Surgery
Any
time a patient must undergo revision surgery they are likely to be anxious and
worried about their physical recovery and whether they will be able to return
to work. Those patients who must undergo revision surgery because of a
defective device which could be wreaking havoc in their body are under additional
stress. It can seem that either way they go—whether they agree to a revision
surgery or keep their recalled Stryker Rejuvenate and/or ABGII implant and hope
for the best—they are putting their health at risk.
The Expected Lifespan of Hip Implants
Hip
implants were originally marketed as lasting from ten to fifteen years
therefore most surgeons would caution their potential implant patients to wait
as long as possible to have the first implant in order to avoid a revision
surgery. When the metal-on-metal hip implants hit the market they were believed
to last even longer—as much as 20 years. This was extremely good news for all
the relatively young patients (in their sixties or seventies) who needed a hip
implant as it could be reasonably expected to last as long as the recipient
lived. Unfortunately, before these devices made it nearly that long they began
causing problems for recipients. The Rejuvenate was granted FDA approval in
2008 while the ABGII received approval in 2009. A short time later the FDA
began receiving adverse event reports on both devices.
Patients
were experiencing corrosion, infection, inflammation and symptoms of metal
toxicity. During the revision surgery for Rejuvenate or ABGII implants the
device must be removed, the cement cleared away, bone grafts placed if the
femur is defective then a new hip device must be implanted and the incisions
sewn shut. Even those patients who have not yet experienced adverse health
events from the Stryker ABGII or Rejuvenate are advised to work closely with
their physician and have blood levels monitored often. It can be advantageous
for those with either of these implant devices to seek qualified legal
representation as well.
stryker modular-neck hip stem |
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