{"id":"https://openalex.org/W2044227136","doi":"https://doi.org/10.1227/00006123-199510000-00010","title":"Surgical Indication and Results of Foramen Magnum Decompression versus Syringosubarachnoid Shunting for Syringomyelia Associated with Chiari I Malformation","display_name":"Surgical Indication and Results of Foramen Magnum Decompression versus Syringosubarachnoid Shunting for Syringomyelia Associated with Chiari I Malformation","publication_year":1995,"publication_date":"1995-10-01","ids":{"openalex":"https://openalex.org/W2044227136","doi":"https://doi.org/10.1227/00006123-199510000-00010","mag":"2044227136","pmid":"https://pubmed.ncbi.nlm.nih.gov/8559295"},"language":"en","primary_location":{"id":"doi:10.1227/00006123-199510000-00010","doi":"https://doi.org/10.1227/00006123-199510000-00010","is_oa":false,"landing_page_url":"https://doi.org/10.1227/00006123-199510000-00010","pdf_url":null,"source":{"id":"https://openalex.org/S111727011","display_name":"Neurosurgery","issn_l":"0148-396X","issn":["0148-396X","1081-1281","1524-4040"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-2","ki-jl-2","medline","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Neurosurgery","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5086488795","display_name":"Kazutoshi Hida","orcid":"https://orcid.org/0000-0003-4789-8375","observed_orcids":["https://orcid.org/0000-0003-4789-8375"]},"institutions":[{"id":"https://openalex.org/I205349734","display_name":"Hokkaido University","ror":"https://ror.org/02e16g702","country_code":"JP","type":"education","lineage":["https://openalex.org/I205349734"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kazutoshi Hida","raw_affiliation_strings":["Department of Neurosurgery, University of Hokkaido School of Medicine, Sapporo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Neurosurgery, University of Hokkaido School of Medicine, Sapporo, Japan","institution_ids":["https://openalex.org/I205349734"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111810041","display_name":"Yoshinobu Iwasaki","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I205349734","display_name":"Hokkaido University","ror":"https://ror.org/02e16g702","country_code":"JP","type":"education","lineage":["https://openalex.org/I205349734"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoshinobu Iwasaki","raw_affiliation_strings":["Department of Neurosurgery, University of Hokkaido School of Medicine, Sapporo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Neurosurgery, University of Hokkaido School of Medicine, Sapporo, Japan","institution_ids":["https://openalex.org/I205349734"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109501251","display_name":"Izumi Koyanagi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I205349734","display_name":"Hokkaido University","ror":"https://ror.org/02e16g702","country_code":"JP","type":"education","lineage":["https://openalex.org/I205349734"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Izumi Koyanagi","raw_affiliation_strings":["Department of Neurosurgery, University of Hokkaido School of Medicine, Sapporo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Neurosurgery, University of Hokkaido School of Medicine, Sapporo, Japan","institution_ids":["https://openalex.org/I205349734"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108208461","display_name":"Yutaka Sawamura","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I205349734","display_name":"Hokkaido University","ror":"https://ror.org/02e16g702","country_code":"JP","type":"education","lineage":["https://openalex.org/I205349734"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yutaka Sawamura","raw_affiliation_strings":["Department of Neurosurgery, University of Hokkaido School of Medicine, Sapporo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Neurosurgery, University of Hokkaido School of Medicine, Sapporo, Japan","institution_ids":["https://openalex.org/I205349734"]}]},{"author_position":"last","author":{"id":null,"display_name":"Hiroshi Abe","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I205349734","display_name":"Hokkaido University","ror":"https://ror.org/02e16g702","country_code":"JP","type":"education","lineage":["https://openalex.org/I205349734"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroshi Abe","raw_affiliation_strings":["Department of Neurosurgery, University of Hokkaido School of Medicine, Sapporo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Neurosurgery, University of Hokkaido School of Medicine, Sapporo, Japan","institution_ids":["https://openalex.org/I205349734"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I205349734"],"apc_list":null,"apc_paid":null,"fwci":3.2673,"has_fulltext":false,"cited_by_count":202,"citation_normalized_percentile":{"value":0.91852825,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":93,"max":99},"biblio":{"volume":"37","issue":"4","first_page":"673","last_page":"673???679"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11833","display_name":"Spinal Dysraphism and Malformations","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T11833","display_name":"Spinal Dysraphism and Malformations","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12622","display_name":"Neurosurgical Procedures and Complications","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10189","display_name":"Anesthesia and Pain Management","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2703","display_name":"Anesthesiology and Pain Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/syringomyelia","display_name":"syringomyelia","score":0.9700000286102295},{"id":"https://openalex.org/keywords/chiari-i-malformation","display_name":"Chiari I malformation","score":0.9980000257492065},{"id":"https://openalex.org/keywords/foramen-magnum-decompression","display_name":"foramen magnum decompression","score":0.9980000257492065},{"id":"https://openalex.org/keywords/surgical-outcomes","display_name":"surgical outcomes","score":0.6269999742507935},{"id":"https://openalex.org/keywords/postoperative-pain-relief","display_name":"postoperative pain relief","score":0.7829999923706055}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9746923446655273},{"id":"https://openalex.org/C2777836068","wikidata":"https://www.wikidata.org/wiki/Q1112977","display_name":"Syringomyelia","level":3,"score":0.9472061395645142},{"id":"https://openalex.org/C197328160","wikidata":"https://www.wikidata.org/wiki/Q7505161","display_name":"Shunting","level":2,"score":0.9331948757171631},{"id":"https://openalex.org/C2776106272","wikidata":"https://www.wikidata.org/wiki/Q426139","display_name":"Foramen magnum","level":2,"score":0.8874611854553223},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.7285107374191284},{"id":"https://openalex.org/C2780207915","wikidata":"https://www.wikidata.org/wiki/Q7663375","display_name":"Syrinx (medicine)","level":4,"score":0.7047281861305237},{"id":"https://openalex.org/C2779480328","wikidata":"https://www.wikidata.org/wiki/Q1183684","display_name":"Decompression","level":2,"score":0.6665629148483276},{"id":"https://openalex.org/C2781149351","wikidata":"https://www.wikidata.org/wiki/Q1071707","display_name":"Chiari malformation","level":4,"score":0.5647774338722229},{"id":"https://openalex.org/C143409427","wikidata":"https://www.wikidata.org/wiki/Q161238","display_name":"Magnetic resonance imaging","level":2,"score":0.42301663756370544},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.2729738652706146}],"mesh":[{"descriptor_ui":"D000293","descriptor_name":"Adolescent","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001139","descriptor_name":"Arnold-Chiari Malformation","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":false},{"descriptor_ui":"D001139","descriptor_name":"Arnold-Chiari Malformation","qualifier_ui":"Q000601","qualifier_name":"surgery","is_major_topic":true},{"descriptor_ui":"D002557","descriptor_name":"Cerebrospinal Fluid Shunts","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D002648","descriptor_name":"Child","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002675","descriptor_name":"Child, Preschool","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005500","descriptor_name":"Follow-Up Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005539","descriptor_name":"Foramen Magnum","qualifier_ui":"Q000601","qualifier_name":"surgery","is_major_topic":true},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008279","descriptor_name":"Magnetic Resonance Imaging","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D009460","descriptor_name":"Neurologic Examination","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011183","descriptor_name":"Postoperative Complications","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":false},{"descriptor_ui":"D012189","descriptor_name":"Retrospective Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013117","descriptor_name":"Spinal Cord Compression","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":false},{"descriptor_ui":"D013117","descriptor_name":"Spinal Cord Compression","qualifier_ui":"Q000601","qualifier_name":"surgery","is_major_topic":false},{"descriptor_ui":"D013595","descriptor_name":"Syringomyelia","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":false},{"descriptor_ui":"D013595","descriptor_name":"Syringomyelia","qualifier_ui":"Q000601","qualifier_name":"surgery","is_major_topic":true},{"descriptor_ui":"D016896","descriptor_name":"Treatment Outcome","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":3,"locations":[{"id":"doi:10.1227/00006123-199510000-00010","doi":"https://doi.org/10.1227/00006123-199510000-00010","is_oa":false,"landing_page_url":"https://doi.org/10.1227/00006123-199510000-00010","pdf_url":null,"source":{"id":"https://openalex.org/S111727011","display_name":"Neurosurgery","issn_l":"0148-396X","issn":["0148-396X","1081-1281","1524-4040"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-2","ki-jl-2","medline","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Neurosurgery","raw_type":"journal-article"},{"id":"doi:10.1097/00006123-199510000-00010","doi":"https://doi.org/10.1097/00006123-199510000-00010","is_oa":false,"landing_page_url":"https://doi.org/10.1097/00006123-199510000-00010","pdf_url":null,"source":{"id":"https://openalex.org/S111727011","display_name":"Neurosurgery","issn_l":"0148-396X","issn":["0148-396X","1081-1281","1524-4040"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-2","ki-jl-2","medline","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315671","host_organization_name":"Lippincott Williams & Wilkins","host_organization_lineage":["https://openalex.org/P4310315671","https://openalex.org/P4310318547"],"host_organization_lineage_names":["Lippincott Williams & Wilkins","Wolters Kluwer"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Neurosurgery","raw_type":"journal-article"},{"id":"pmid:8559295","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/8559295","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Neurosurgery","raw_type":"Comparative Study"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.9940000176429749}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W24246585","https://openalex.org/W112638415","https://openalex.org/W125995873","https://openalex.org/W1553290387","https://openalex.org/W1602997645","https://openalex.org/W1686747080","https://openalex.org/W1901533691","https://openalex.org/W1965198547","https://openalex.org/W1971694106","https://openalex.org/W1973727736","https://openalex.org/W1974353694","https://openalex.org/W1977364167","https://openalex.org/W1993036704","https://openalex.org/W2004463198","https://openalex.org/W2010788975","https://openalex.org/W2011309998","https://openalex.org/W2014054046","https://openalex.org/W2015619167","https://openalex.org/W2026848253","https://openalex.org/W2033199227","https://openalex.org/W2060727268","https://openalex.org/W2067991649","https://openalex.org/W2071550079","https://openalex.org/W2074646716","https://openalex.org/W2078361060","https://openalex.org/W2116534921","https://openalex.org/W2130677068","https://openalex.org/W2171069927","https://openalex.org/W2285428093","https://openalex.org/W2285443661","https://openalex.org/W2320443363","https://openalex.org/W2400321009","https://openalex.org/W2411188133","https://openalex.org/W2416813018","https://openalex.org/W4233342497","https://openalex.org/W4244336157","https://openalex.org/W4249293586","https://openalex.org/W4250282613","https://openalex.org/W4366066081","https://openalex.org/W6605198697"],"related_works":["https://openalex.org/W55233008","https://openalex.org/W2470885020","https://openalex.org/W562321394","https://openalex.org/W2743116303","https://openalex.org/W2034064201","https://openalex.org/W1988560334","https://openalex.org/W2116116410","https://openalex.org/W2015619167","https://openalex.org/W2071550079","https://openalex.org/W3000322174"],"abstract_inverted_index":{"Several":[0],"surgical":[1,32],"procedures":[2],"have":[3],"been":[4],"used":[5],"for":[6,208],"the":[7,27,108,144,155,164,180,191,209,219,226,244,250],"treatment":[8],"of":[9,21,29,45,97,119,154,163,179,193],"syringomyelia":[10,49],"associated":[11,50],"with":[12,48,51,94,117,135],"Chiari":[13,52,120],"I":[14,53,121],"malformation":[15,54,122],"at":[16],"our":[17],"institute.":[18],"The":[19,42,84,100,205],"purpose":[20],"this":[22],"article":[23],"is":[24],"to":[25,64,91,129,211],"evaluate":[26],"results":[28,231],"two":[30,109],"major":[31],"procedures,":[33],"foramen":[34],"magnum":[35],"decompression":[36],"(FMD)":[37],"and":[38,76,102,160,176,185,222,236],"syringosubarachnoid":[39],"(SS)":[40],"shunting.":[41,169],"series":[43],"consisted":[44],"70":[46],"patients":[47,116,134,156,165,181],"who":[55,157,166,182],"were":[56,105,172],"surgically":[57],"treated.":[58],"Their":[59],"ages":[60],"ranged":[61,87],"from":[62,88],"3":[63],"59":[65],"years":[66],"(median,":[67],"29.4":[68],"yr).":[69],"FMD":[70,114,159,184,220,251],"was":[71,79,195,213],"performed":[72,80,113],"on":[73,81],"33":[74],"patients,":[75],"SS":[77,131,168,186,200,227,245],"shunting":[78,132,201,228,246],"37":[82],"patients.":[83],"follow-up":[85],"period":[86],"6":[89],"months":[90],"12.5":[92],"years,":[93],"a":[95,124],"mean":[96],"60":[98],"months.":[99],"clinical":[101,234],"radiological":[103,237],"outcomes":[104],"analyzed":[106],"comparing":[107],"groups.":[110],"We":[111,127],"principally":[112],"in":[115,133,150,152,161,174,177,218,225,243,249],"symptoms":[118,235],"and/or":[123],"small":[125],"syrinx.":[126],"prefer":[128],"use":[130],"large":[136],"syringes.":[137],"Postoperative":[138],"magnetic":[139],"resonance":[140],"imaging":[141],"demonstrated":[142],"that":[143,233],"syrinx":[145,210],"had":[146],"collapsed":[147],"or":[148],"decreased":[149],"size":[151],"94%":[153],"underwent":[158,167,183],"100%":[162],"Neurological":[170],"improvements":[171],"observed":[173],"82%":[175],"97%":[178],"shunting,":[187],"respectively.":[188],"In":[189],"particular,":[190],"relief":[192],"pain":[194],"more":[196,241],"fully":[197],"achieved":[198],"after":[199,203,216],"than":[202,248],"FMD.":[204],"average":[206],"time":[207],"collapse":[212],"6.3":[214],"weeks":[215,224],"surgery":[217],"group":[221,247],"1.8":[223],"group.":[229],"These":[230],"indicate":[232],"findings":[238],"improved":[239],"much":[240],"quickly":[242],"group.(ABSTRACT":[252],"TRUNCATED":[253],"AT":[254],"250":[255],"WORDS)":[256]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":6},{"year":2019,"cited_by_count":11},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":7},{"year":2016,"cited_by_count":7},{"year":2015,"cited_by_count":8},{"year":2014,"cited_by_count":6},{"year":2013,"cited_by_count":6},{"year":2012,"cited_by_count":6}],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2016-06-24T00:00:00"}