Abstract
Anterior cruciate ligament (ACL) surgery is a frequently performed orthopedic surgical procedure in the United States. Posterior cruciate ligament (PCL) injuries occur less frequently in this country, and the experience of the orthopedic surgeon is correspondingly less for PCL examination, diagnosis, and surgical reconstructive procedures. Studies indicate that acute PCL injuries are related to geographic region, frequency of blunt trauma, and the population density of orthopedic surgeons.1,2 Fanelli1,2 reports a 38% incidence of PCL tears in acute knee injuries at his tertiary care regional referral center. The frequency of PCL-related injuries in this study is 38.3% (85 cases) of acute knee injuries in a study population of 222 knees; 48 of the PCL injuries, (56.5%) were multiple trauma related, while 28 (32.9%) were sports related. There were only three isolated PCL injuries (3.5%), and 82 (96.5%) PCL combined with one or more injured ligaments. The most frequently encountered PCL/combined knee ligament injuries were PCL/posterolateral corner (35/85, 41.2%) and combined ACL/PCL tears (39/85, 45.9%).
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