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Surgery Within Six Months Of Disc Herniation Improves Outcomes

Wed, 10/26/2011 - 9:07am

PRNewswire-USNewswire - A new study in the Journal of Bone and Joint Surgery (JBJS) shows that patients with herniated lumbar disc symptoms were significantly worse if the patients had symptoms for more than six months prior to treatment, compared to those who had symptoms for six months or less. Symptoms included pain, function, general health, work status and patient satisfaction.

"Patients often ask their physicians whether the duration of their symptoms will affect their potential for a full recovery, and the goal of our study was to address this question," said orthopaedic surgeon Jeffrey A. Rihn, M.D., and one of the study authors. Several studies conducted over the past 30 years have demonstrated the effectiveness of lumbar discectomy. One of the most common spinal surgical procedures, lumbar discectomy involves the removal of the herniated disc material that is pressing on a nerve root or the spinal canal to treat lumbar disc herniation.

However, despite the proven effectiveness of this procedure, there is no consensus on the timing of surgery. Various studies suggest waiting anywhere from "an appropriate amount of time" to 12 months after symptoms begin. "According to our study and generally speaking, patients who had symptoms for more than six months had less improvement in pain, function, general health, work status and patient satisfaction," said Dr. Rihn.

At all follow-up intervals, outcomes were significantly worse in patients who had symptoms for more than six months prior to treatment than in those who had symptoms for six months or less. The study authors also found that operative treatment was significantly more effective than non-operative treatment. However, the relative increased benefit of surgery over non-operative treatment was not dependent on the duration of symptoms.

"Patients who have had symptoms for longer than six months can find relief with either non-operative treatment or surgery, but they may not reap as much benefit as those who have had symptoms for six months or less," said Dr. Rihn. "Surgery still has significant benefit compared with non-surgical treatment, even in patients who have had symptoms for longer than six months."

Further research exploring the effect of the duration of symptoms on treatment outcomes is warranted, according to Dr. Rihn.

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