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Syringo-subarachnoid shunt for syringomyelia associated with Chiari malformation (type 1).
Acta Neurochir (Wien). 1990; 107(3-4):152-60.AN

Abstract

The authors report the surgical results of 28 patients with syringomyelia associated with Chiari malformation (type 1). 28 patients underwent 34 operative procedures. Syringo-subarachnoid shunt was performed in 28 patients, foramen magnum decompression with syringo-subarachnoid shunt in three, ventriculo-peritoneal shunt in one, terminal syringostomy in one, and foramen magnum decompression with terminal syringostomy in one. In an average postoperative follow-up period of 3 years and 9 months ranging from one year to 7 years and one month, neurological symptoms and signs improved in 24 out of 28 patients (82%). Some improvement was noted in sensory deficit and motor weakness. In 3 patients, the symptoms did not change. In 3 patients whose symptoms were unchanged, preoperative studies demonstrated atrophy of the spinal cord, in which irreversible changes were shown. The symptoms deteriorated in one patient. In one patient whose symptoms increased 3 months after syringo-subarachnoid shunt, shunt insufficiency due to postoperative adhesive arachnoiditis was responsible for neurological deterioration. The authors propose that syringo-subarachnoid shunt is effective as a surgical procedure for syringomyelia associated with Chiari malformation (type 1) if the patient does not have symptoms due to Chiari malformation or has only mild signs and symptoms which do not require foramen magnum decompression, such as nystagmus or atrophy of sternocleidomastoid muscle.

Authors+Show Affiliations

Department of Neurosurgery, University of Hokkaido School of Medicine, Sapporo, Japan.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

2077852

Citation

Isu, T, et al. "Syringo-subarachnoid Shunt for Syringomyelia Associated With Chiari Malformation (type 1)." Acta Neurochirurgica, vol. 107, no. 3-4, 1990, pp. 152-60.
Isu T, Iwasaki Y, Akino M, et al. Syringo-subarachnoid shunt for syringomyelia associated with Chiari malformation (type 1). Acta Neurochir (Wien). 1990;107(3-4):152-60.
Isu, T., Iwasaki, Y., Akino, M., & Abe, H. (1990). Syringo-subarachnoid shunt for syringomyelia associated with Chiari malformation (type 1). Acta Neurochirurgica, 107(3-4), 152-60.
Isu T, et al. Syringo-subarachnoid Shunt for Syringomyelia Associated With Chiari Malformation (type 1). Acta Neurochir (Wien). 1990;107(3-4):152-60. PubMed PMID: 2077852.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Syringo-subarachnoid shunt for syringomyelia associated with Chiari malformation (type 1). AU - Isu,T, AU - Iwasaki,Y, AU - Akino,M, AU - Abe,H, PY - 1990/1/1/pubmed PY - 1990/1/1/medline PY - 1990/1/1/entrez SP - 152 EP - 60 JF - Acta neurochirurgica JO - Acta Neurochir (Wien) VL - 107 IS - 3-4 N2 - The authors report the surgical results of 28 patients with syringomyelia associated with Chiari malformation (type 1). 28 patients underwent 34 operative procedures. Syringo-subarachnoid shunt was performed in 28 patients, foramen magnum decompression with syringo-subarachnoid shunt in three, ventriculo-peritoneal shunt in one, terminal syringostomy in one, and foramen magnum decompression with terminal syringostomy in one. In an average postoperative follow-up period of 3 years and 9 months ranging from one year to 7 years and one month, neurological symptoms and signs improved in 24 out of 28 patients (82%). Some improvement was noted in sensory deficit and motor weakness. In 3 patients, the symptoms did not change. In 3 patients whose symptoms were unchanged, preoperative studies demonstrated atrophy of the spinal cord, in which irreversible changes were shown. The symptoms deteriorated in one patient. In one patient whose symptoms increased 3 months after syringo-subarachnoid shunt, shunt insufficiency due to postoperative adhesive arachnoiditis was responsible for neurological deterioration. The authors propose that syringo-subarachnoid shunt is effective as a surgical procedure for syringomyelia associated with Chiari malformation (type 1) if the patient does not have symptoms due to Chiari malformation or has only mild signs and symptoms which do not require foramen magnum decompression, such as nystagmus or atrophy of sternocleidomastoid muscle. SN - 0001-6268 UR - https://www.unboundmedicine.com/medline/citation/2077852/Syringo_subarachnoid_shunt_for_syringomyelia_associated_with_Chiari_malformation__type_1__ L2 - http://www.diseaseinfosearch.org/result/6981 DB - PRIME DP - Unbound Medicine ER -