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Departments of *Anesthesiology and
Orthopedic Surgery, University Hospital of Bern, Switzerland; and
Institute for Legal Medicine and
Department of Intensive Care Medicine, University of Bern, Switzerland
Address correspondence to Kay Stricker, MD, DEAA, Department of Anesthesiology, University Hospital, CH-3010 Bern, Switzerland. Address e-mail to Kay.Stricker{at}insel.ch Reprints will not be available from the authors.
Pulmonary polymethylmethacrylate embolism is a rare but potentially fatal complication of percutaneous vertebroplasty. Clinical signs are typical for pulmonary embolism: they include respiratory distress, hypotension, and decreases in end-tidal CO2. We report a case of fatal pulmonary polymethylmethacrylate embolism during percutaneous vertebroplasty that initially presented with hypertension (arterial blood pressure 190/90 mm Hg), normocardia, and hypercapnia (PaCO2 96 mm Hg), along with loss of consciousness. Several pieces of polymethylmethacrylate were found in the pulmonary vasculature at autopsy.
IMPLICATIONS: Osteoporotic spine fractures are increasingly treated by injection of bone cement into the vertebral body. Polymethylmethacrylate embolism is a rare but potentially fatal complication. We report on a case of polymethylmethacrylate embolism that was at first unrecognized because of uncharacteristic signs and symptoms.
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