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Review

Table 4

Surgical nerve decompression.

Author # Approach Outcome LSTV F/U (mth) LOE
Abe et al. [18] 1 Anterior • Immediately: Relive of LBP and leg pain Bilat. 12 IV
      • “Several months”: Hypesthesia and numbness disappeared      
      • 1 yr: Returned to job. No LBP or numbness      
Ichihara et al. [11] 1 Dorsal • Immediately: Hip and leg pain reduced Unilat. 3 IV
      • 3 mths: No pain or numbness in the hip and leg      
      • JOA score: 14/29 → 22/29 (3 months postoperatively)      
      • JOA score 25/29 (2 years postoperatively)      
Weber et al. [24] 1 Dorsal • 4 d: No leg pain Unilat. 12 IV
      • 1 yr: No LBP or radicular pain      
Shibayama et al. [22] 1× Dorsal • Immediately: Relieved LBP and sciatic pain Unilat. 30 IV
      • 30 mths: Walked well and returned to job      
      • VAS: 88/100 → 10/100      
      • JOA score: 10/29 → 25/29      
Miyoshi et al. [19] 1 Dorsal • Immediately: Buttock and leg pain reduced Bilat. 12 IV
      • 1 mth: Pain free      
      • 1 yr: Symptom free      
Kikuchi et al. [31] 2 Dorsal Patient 1: Unilat. 12 IV
      • Immediatly: LBP and leg pain disappeared      
      Patient 2:      
      • 6 mths: Leg pain decreased and complete recovery from muscle weakness      

#: Number of patients, ×: treated for extra foraminal stenosis, F/U: follow-up, LOE: level of evidence.

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