The Additional Effect of Hyaluronidase in Lumbar Interlaminar Epidural Injection
نویسندگان
چکیده
OBJECTIVE To evaluate the effect of hyaluronidase in lumbar interlaminar epidural injection (LIEI) for low back pain and sciatica. METHOD Sixty-one patients suffering from severe low back pain and sciatica were randomly allocated into three groups. Group T (n=18, mean duration of illness: 2.12±1.16 months) received lumbar interlaminar epidural injection (LIEI) with 2 ml triamcinolone (40 mg/ml) and 5 ml bupivacaine (0.25%). Group H (n=16, mean duration of illness: 2.05±1.12 months) received LIEI with 1,500 IU hyaluronidase and 5 ml bupivacaine (0.25%). Group TH (n=27, mean duration of illness: 2.16±1.65 months) received LIEI with 1,500 IU hyaluronidase, 2 ml triamcinolone (40 mg/ml), and 5 ml bupivacaine (0.25%). The effects were evaluated using the Visual Analogue Scale (VAS) and Oswestry Disability Index (ODI) at preinjection and 2 weeks, 4 weeks, and 8 weeks after LIEI. RESULTS Pain improved in all groups after 2 weeks (p<0.05). After 8 weeks, there was no significant difference in VAS improvement among the 3 groups. However, pain improved in 70.4% of Group TH compared with preinjection, in contrast to 44.4% of Group T and 31.3% of Group H. The ODI improved significantly only in Group TH after 8 weeks (p<0.05). CONCLUSION LIEI with triamcinolone and hyaluronidase is more effective for reducing pain after 8 weeks than injection with triamcinolone or hyaluronidase alone.
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The Effect of Hyaluronidase in Interlaminar Lumbar Epidural Injection for Failed Back Surgery Syndrome
OBJECTIVE To evaluate the effect of hyaluronidase in patients with failed back surgery syndrome (FBSS) treated with interlaminar lumbar epidural injection (ILEI). METHOD Sixty patients suffering from severe low back pain and sciatica were randomly allocated into three groups. Group T received ILEI with 2 ml triamcinolone 40 mg/ml and 5 ml bupivacaine 0.25%. Group H received ILEI with 1500 IU ...
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