الفهرس 
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Abstract
ABSTRACT
Background: Lumbar discectomy is one of the most common operations performed worldwide for lumbar-related symptoms. During the latter half of the 20th century, more techniques were developed to remove the herniated disc with minimal invasiveness.
Aim and objectives: The aim of this study was to analyze the safety and efficacy of percutaneous endoscopic discectomy in the treatment of lumbar degenerative disc herniation for adult patients.
Subjects and methods: A systematic review was conducted, including adult patients (> 18 years and less than 80 years old) with surgical treatment of lumbar radiculopathy secondary to degenerative herniated discs.
Results: results revealed that mean preoperative VAS was 6.05 which improved post operation to 1.35. Mean preoperative ODI score was 56.5 which decreased to 14.2 post operation, and SF-36 physical was used by four studies and mean preoperative score was 42.07 which increased to 76.2 post operation. SF-36 mental score used by three studies with mean preoperative score was 41.08 which increased post operation to 65.5.
Conclusion: PELD appears to be an effective intervention for LDH, as it has a small amount of intraoperative blood loss, short postoperative hospital stay, and good clinical and functional outcomes. It needs more training, as it has a long learning curve.