Journal
JOURNAL OF NEUROSURGERY-PEDIATRICS
Volume 10, Issue 2, Pages 142-149Publisher
AMER ASSOC NEUROLOGICAL SURGEONS
DOI: 10.3171/2012.5.PEDS11406
Keywords
Chiari malformation Type I; duraplasty; complication; outcome; hospital stay
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Object. The authors debate the optimal management for Chiari malformation Type I (CM-I) while sharing their experience with posterior fossa decompression and duraplasty (PFDD). Methods. The charts of 48 consecutive pediatric patients surgically treated for CM-I were retrospectively reviewed. Results. Patients ranged in age from 2 to 17 years with an average age of 9.8 years. The most common presentations were headache, affecting 34 patients (71%), and pain (neck, back, or extremities), affecting 21 patients (44%). Twenty-seven patients (56%) had a syrinx. All 48 patients underwent PFDD utilizing acellular tissue matrix. The average hospital stay overall was 3.56 days, whereas the average stay for patients with (29 [60%] of 48) or without (19 [40%] of 48) scoliosis and/or syringomyelia was 3.72 and 3.32 days, respectively. The odds of a patient having a hospital stay of 4 or more days was nearly 3 times greater in patients with scoliosis and/or syringomyelia as compared with patients without either condition (OR 2.73, 95% CI 0.74-10.11, p = 0.1330). The average hospital stay for patients 0-8 years of age was 3.29 days; and for those 9-17 years of age, 3.78 days. The odds of a patient having a hospital stay of 4 or more days was nearly 4 times greater in 9- to 17-year-olds as compared with 0- to 8-year-olds (OR 3.73,95% CI 1.03-13.52, p = 0.0455). Forty patients (89%) experienced early improvement in their signs and symptoms following PFDD. There were 2 revision PFDDs (4%). Conclusions. Posterior fossa decompression and duraplasty is a safe and effective surgical option in the management of pediatric CM-I. (http://thejns.org/doi/abs/10.3171/2012.5.PEDS11406)
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