Clinical and Radiological Assessment of the Treatment for Lumbar Disc Herniation. Comparison of Love's method with and without P-L Fusion.:Comparison of Love's method with and without P-L Fusion

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In order to evaluate the usefulness of P-L fusion combined with Love's method for lumbar disc herniation, we studied the postoperative results, clinically and radiolodically.We studied 32 cases, of whon 22 were treated by the Love method (Love) and 10 treated with the combined Love method and posterolateral fusion (PLF).Pre and postoperative clinical findings, which included numbness, pain, sensory, and muscle power were evaluated. The height of the intervertebral space and instability of lumbar spine were measured by Hasegawa's and Dupuis' methods respectively.The intervertebral disc height at the operation site decreased significantly in patents treated by the Love method. However, the preoperative intervertebral disc narrowing was not so marked in the PLF cases. PLF was also effective for treatment in cases with lumber spinal instability.Radiological findings appeared to be superior in PLF compared to Love cases. However, clinical symptoms such as low back pain improved equally in both groups.