%0 Journal Article
%T Femoral and obturator nerves palsy caused by pelvic cement extrusion after hip arthroplasty.
%A Pawel Zwolak
%A Peer Eysel
%A Joern William-Patrick Michael
%J Orthopedic Reviews
%D 2011
%I PAGEPress Publications
%R 10.4081/or.2011.e6
%X Cement extrusion into the pelvis with subsequent palsy of the obturator and femoral nerves is a rare entity after hip replacement surgery. Cemented fixation of the acetabular cup has been considered as a safe and reliable standard procedure with very good long term results. We present a case of fifty year old female patient after hip arthroplasty procedure which suffered an obturator and femoral nerve palsy caused by extrusion of bone cement into the pelvis. Postoperative X-rays and CT-scan of the pelvis demonstrated a huge mass consisted of bone cement in close proximity of femoral and obturator nerves. The surgery charts reported shallow and weak bony substance in postero-superior aspect of the acetabulum. This weak bony acetabular substance may have caused extrusion of bone cement during press-fitting of the polyethylene cup into the acetabulum, and the following damage of the both nerves produced by polymerization of bone cement. The bone cement fragment has been surgically removed 3 weeks after arthroplasty. The female patient underwent intensive postoperative physical therapy and electro stimulation which resulted in full recovery of the patient to daily routine and almost normal electromyography results.
%K Arthroplasty
%K femoral nerve palsy
%K cement extrusion
%U http://www.pagepress.org/journals/index.php/or/article/view/2376