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학술저널

경피적 내시경하 요추 추간판 제거술 후 신경근 압박 증상에 대한 경막 외 스테로이드 주사의 진단적 유용성

Diagnostic Value of Epidural Steroid Injection in Mechanical Nerve Root Compression after Percutaneous Endoscopic Lumbar Discectomy

  • 2

After percutaneous endoscopic lumbar discectomy (PELD), postoperative radiating leg pain could persist and become a common problem. This symptom provides important information for use in deciding on performance of reoperation for remnant disc or recurrent disc herniation. Of 225 patients who underwent PELD, 51 patients had persistent radicular pain. Steroid injection to epidural space resulted in pain reduction of at least 50 % in 15 (30.3 %) of these patients. Thirty five cases showed a bad outcome after steroid injection, indicating high sensitivity for detection of a remnant or disc herniation in follow up Magnetic Resonance images (25 cases, 71.4%). Twenty one patients were treated by reoperation. Steroid injection has a diagnostic value with a high sensitivity for mechanical compression of the nerve root as remaining or recurrent disc herniation in MRI for the necessity of a re-operation.

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