Legal counsel for the patient reported that patient underwent right total hip arthroplasty on (b)(6) 2007.Patient's legal counsel further reported that a revision procedure occurred on (b)(6) 2009 due to patient allegations of pain, dysfunction, loss of range of motion, and elevated metal ion levels.This report is based on allegations set forth in plaintiff's complaint and the allegations contained therein are unverified.Additional information provided in revision operative notes indicates the revision procedure that took place on (b)(6) 2009 was due to acetabular cup loosening and the presence of dark-colored synovial tissue consistent with metal wear.The acetabular cup and modular head was removed and replaced.Furthermore, revision operative notes indicate that three subsequent revision procedures occurred due to instability.A revision procedure took place on (b)(6) 2009 to remove and replace the acetabular liner.A revision procedure took place on (b)(6) 2010 to remove and replace the acetabular liner with a constrained liner.A revision procedure took place on (b)(6) 2010 to remove and replace the constrained liner with a tri-polar system.In addition, revision operative notes provided indicate that a revision procedure was performed on (b)(6) 2011 to remove and replace the acetabular liner.Operative notes for this revision procedure further indicate that a synovectomy was performed and that the surgeon noted polyethylene wear of the acetabular liner from anterior subluxation.
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