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Table 6 Other neurosurgical and orthopaedic complications in adults with achondroplasia with symptomatic spinal stenosis (SSS) and without (non-SSS)

From: High prevalence of symptomatic spinal stenosis in Norwegian adults with achondroplasia: a population-based study

Complications SSS Non-SSS
(n = 34) (n = 16)
N (%) N (%)
Past neurosurgical treatment
 VP-shunt or ventriculostomy a 6 (17.6) 1 (6.3)
 Foramen magnum decompression 1 (2.9) 1 (6.3)
Past orthopaedic treatment
 Surgery for kyphosis b 1 (2.9) 0 (0)
 Tibia osteotomy 9 (26.5) 6 (37.5)
  With lower limb lengthening 8 (23.5) 3 (18.8)
 Humeral lengthening 1 (2.9) 2 (12.5)
 Hip arthritis 2 (5.9) 0 (0)
 Knee arthritis 2 (5.9) 0 (0)
 Lateral meniscus rupture 1 (2.9) 4 (25.0)
  1. aVP-shunt Ventriculo-peritoneal shunt
  2. b Thoracolumbar kyphosis