Even players with "upper-level" cervical disc herniation (CDH) have a high return rate and can return to play with similar performance outcomes compared to their “lower-level” counterparts, according to the analysis by Dr. Harry T. Mai of the Department of Orthopaedic surgery at the Northwestern Feinberg School of Medicine, Chicago, and colleagues. The results may help guide decisions about surgery and the likelihood of returning to competition for players with these career-threatening injuries.
Good Chance of Continuing NFL Career after CDH Surgery The researchers identified 53 NFL players who underwent surgery for a herniated disc in the cervical spine between 1979 and 2013. Forty players had confirmed data on the level of the disc injury: 15 had "upper level" CDH (involving the uppermost vertebrae of the neck) while 25 had "lower level" injuries. Forty-five percent of the players were defensive backs and linebackers.
Rates of successful return to play after CDH surgery were analyzed. Most players—67 percent of those with upper-level CDH and 72 percent with lower-level injuries—were able to return to play after surgery and rehabilitation, with no significant differences between the two groups. In both groups, recovery time was about nine months. On average, players continued playing for about 44 games and three years after CDH surgery.
To get an idea of how well each athlete played after returning from surgery, the researchers used a "Performance Score" based on NFL game statistics. Scores were not significantly different between groups, suggesting that athletes with upper-level CDH performed as well as those with lower-level injuries.
In 34 players, surgery consisted of spinal fusion (a procedure called anterior cervical discectomy and fusion, or ACDF). Four players developed degenerative disease at an adjacent vertebral level, requiring additional surgery. While this is a serious complication, it appeared to be no more frequent than in non-athletes undergoing ACDF.
The other six players underwent a less invasive procedure called foraminotomy which attempts to take pressure off the spinal nerves by decompression. Half of these patients later required additional ACDF surgery—a higher rate than observed in non-athletes. "It is possible that the rigors and activity required by a professional athlete, specifically axial collision forces, make them poor candidates for a non-fusion procedure," Dr. Mai comments.
Cervical disc herniation is common among NFL and other elite athletes in contact sports and appears to be more common in upper level discs than the general population. While CDH also occurs in non-athletes, it is typically diagnosed in middle age and usually is not related to traumatic injury. For football players, the expected outcomes after CDH surgery—including the player's ability to continue to compete at a high level—are unclear. That's especially true for patients with upper-level CDH injuries.
The results suggest that most NFL players who undergo cervical spinal surgeries for CDH are able to resume their careers. Return to play, and level of performance after returning to competition, appear similar for players with upper-level versus lower-level cervical injuries. The authors note some important limitations of the study data, including potential "selection bias toward more prominent athletes."
Gaining a better understanding of cervical spine injuries in elite athletes may help in developing better-tailored treatment approaches for this unique group of patients, Dr. Mai and colleagues believe. They conclude, "Further study is required to help surgeons definitively determine the individualized course of treatment for an NFL player dependent on pathology, position, and patient wishes."
Article: "Does the Level of Cervical Disc Herniation Surgery Affect Performance-Based Outcomes in National Football League Athletes?” (doi: 10.1097/BRS.0000000000001868)
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About SpineRecognized internationally as the leading journal in its field, Spine (www.spinejournal.com) is an international, peer-reviewed, bi-weekly periodical that considers for publication original articles in the field of spine. It is the leading subspecialty journal for the treatment of spinal disorders. Only original papers are considered for publication with the understanding that they are contributed solely to Spine. According to the latest ISI Science Citation Impact Factor, Spine is the most frequently cited spinal deformity journal among general orthopaedic journals and subspecialty titles.
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