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Patients enter surgery expecting, in the long run, to get better. Swelling and mild discomfort may follow immediately after the procedure but lessen with recovery. But what if these post-surgery symptoms continue or grow worse with time?

This scenario faced recipients of DePuy Orthopaedics and Stryker hip implants. For some patients given DePuy Orthopaedics’ ASR XL Acetabular System and ASR Hip Resurfacing System, pain and swelling never fully went away and walking problems developed in the first five years after surgery; although such signs are normal post-surgery, if they continue or return, they’re indicative of a loosening joint, fracture to the surrounding bone, or implant dislocation.

Recipients of Stryker Rejuvenate and the ABG11 modular neck stem hip implant experienced similar symptoms, but the devices’ complexity, involving more components than typical hip implants, has since led to further complications. Along with the symptoms above listed for DePuy implants, Stryker’s products have fretted or corroded at the modular neck junction, which may lead to osteolysis or bone dissolution, or simply have broken.

In response to a study that confirmed a five-year rate of revision, or corrective, surgery of 12 percent of patients who received the ASR and 13 percent for the ASR XL, Johnson & Johnson, along with the DePuy Orthopaedics subsidiary, announced a recall in August 2010. The products commercially available since December 2005 reportedly affected 93,000 patients.

Similarly, Stryker announced a recall for the two products on July 6, 2012. Keep in mind these particular hip implants were used from 2009 through 2012 and the recall does not affect Stryker’s other products.

Since both products have been recalled, the FDA pointed to another issue concerning all metal-on-metal hip implants: an adverse reaction to metal ions, which varies from patient to patient. Since surgery, a patient given Stryker, DePuy, or another metal-on-metal hip implant may have experienced a skin rash, cardiomyopathy, sensory or psychological changes, renal function impairment, or thyroid dysfunction.

As the FDA has advised since the recalls, all patients should have been informed about the type of implant before hip replacement surgery. If you or a family member now experiencing any of the above symptoms was not, following up with the surgeon, primary care physician, or hospital is necessary not only to determine the part added but also for treatments or revision surgery.

The significant number of reported cases for DePuy, Stryker, and other metal-on-metal hip implants has been extremely concerning for patients and medical professionals alike. If you were a recipient of the Stryker Rejuvenate or ABG11 or the DePuy ASR or ASR XL, contact any of Trantolo & Trantolo’s Connecticut law offices to schedule a free, no-obligation consultation.

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