Heterotopic Ossification in Cervical Disc Arthroplasty

Lippincott Continuing Medical Education Institute is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. Lippincott Continuing Medical Education Institute designates this enduring material for a maximum of 1.5 AMA PRA Category 1 CreditsTM. Physicians should claim only the credit commensurate with the extent of their participation in the activity. To earn CME credit, you must read the CME article and complete the quiz and evaluation assessment survey on the enclosed form, answering at least 70% of the quiz questions correctly. This activity expires on April 30, 2018. LEARNING OBJECTIVES: After participating in this CME activity, the spine surgeon should be better able to: 1. Delineate the occurrence of heterotopic ossification (HO) and assess its severity after cervical disc arthroplasty. 2. Discuss and understand the clinical implications of HO. 3. Identify the risk factors for HO and manage the ways to avoid such complications after cervical disc arthroplasty.