{"id":"https://openalex.org/W1965735481","doi":"https://doi.org/10.1016/s0973-0508(11)80019-5","title":"A comparative study of treatment of chronic subdural hematoma \u2014 burr hole drainage versus continuous closed drainage","display_name":"A comparative study of treatment of chronic subdural hematoma \u2014 burr hole drainage versus continuous closed drainage","publication_year":2011,"publication_date":"2011-06-01","ids":{"openalex":"https://openalex.org/W1965735481","doi":"https://doi.org/10.1016/s0973-0508(11)80019-5","mag":"1965735481"},"language":"en","primary_location":{"id":"doi:10.1016/s0973-0508(11)80019-5","doi":"https://doi.org/10.1016/s0973-0508(11)80019-5","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0973-0508(11)80019-5","pdf_url":null,"source":{"id":"https://openalex.org/S4210240878","display_name":"Indian Journal of Neurotrauma","issn_l":"2213-3739","issn":["2213-3739","0973-0508"],"is_oa":false,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","dongbi-c","poland-20","russia-white-list-4"],"host_organization":"https://openalex.org/P4310321135","host_organization_name":"Georg Thieme Verlag","host_organization_lineage":["https://openalex.org/P4310321135","https://openalex.org/P4310320000"],"host_organization_lineage_names":["Georg Thieme Verlag","Thieme Medical Publishers (Germany)"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Indian Journal of Neurotrauma","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj"],"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/A5100823255","display_name":"Shameem Ahmed","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I63739035","display_name":"All India Institute of Medical Sciences","ror":"https://ror.org/02dwcqs71","country_code":"IN","type":"education","lineage":["https://openalex.org/I2799351866","https://openalex.org/I4210148677","https://openalex.org/I63739035"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Shameem Ahmed","raw_affiliation_strings":["Department of Neurosurgery, JPN Apex Trauma Centre, All India Institute of Medical Sciences, New Delhi, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Neurosurgery, JPN Apex Trauma Centre, All India Institute of Medical Sciences, New Delhi, India","institution_ids":["https://openalex.org/I63739035"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003458940","display_name":"Deepak Kumar Agrawal","orcid":"https://orcid.org/0000-0002-5499-0746","observed_orcids":["https://orcid.org/0000-0002-5499-0746"]},"institutions":[{"id":"https://openalex.org/I63739035","display_name":"All India Institute of Medical Sciences","ror":"https://ror.org/02dwcqs71","country_code":"IN","type":"education","lineage":["https://openalex.org/I2799351866","https://openalex.org/I4210148677","https://openalex.org/I63739035"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Deepak Agrawal","raw_affiliation_strings":["Department of Neurosurgery, JPN Apex Trauma Centre, All India Institute of Medical Sciences, New Delhi, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Neurosurgery, JPN Apex Trauma Centre, All India Institute of Medical Sciences, New Delhi, India","institution_ids":["https://openalex.org/I63739035"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113607271","display_name":"SS Kale","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I63739035","display_name":"All India Institute of Medical Sciences","ror":"https://ror.org/02dwcqs71","country_code":"IN","type":"education","lineage":["https://openalex.org/I2799351866","https://openalex.org/I4210148677","https://openalex.org/I63739035"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"SS Kale","raw_affiliation_strings":["Department of Neurosurgery, JPN Apex Trauma Centre, All India Institute of Medical Sciences, New Delhi, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Neurosurgery, JPN Apex Trauma Centre, All India Institute of Medical Sciences, New Delhi, India","institution_ids":["https://openalex.org/I63739035"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112065586","display_name":"AK Mahapatra","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I63739035","display_name":"All India Institute of Medical Sciences","ror":"https://ror.org/02dwcqs71","country_code":"IN","type":"education","lineage":["https://openalex.org/I2799351866","https://openalex.org/I4210148677","https://openalex.org/I63739035"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"AK Mahapatra","raw_affiliation_strings":["Department of Neurosurgery, JPN Apex Trauma Centre, All India Institute of Medical Sciences, New Delhi, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Neurosurgery, JPN Apex Trauma Centre, All India Institute of Medical Sciences, New Delhi, India","institution_ids":["https://openalex.org/I63739035"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I63739035"],"apc_list":null,"apc_paid":null,"fwci":1.2166,"has_fulltext":false,"cited_by_count":25,"citation_normalized_percentile":{"value":0.78095831,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"8","issue":"1","first_page":"17","last_page":"23"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12622","display_name":"Neurosurgical Procedures and Complications","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"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/T12622","display_name":"Neurosurgical Procedures and Complications","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"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/T13323","display_name":"Spinal Hematomas and Complications","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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/T10706","display_name":"Traumatic Brain Injury and Neurovascular Disturbances","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Neurology"},"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/chronic-subdural-hematoma","display_name":"chronic subdural hematoma","score":0.9980000257492065},{"id":"https://openalex.org/keywords/burr-hole-drainage","display_name":"burr hole drainage","score":0.9879999756813049},{"id":"https://openalex.org/keywords/subdural-drain","display_name":"subdural drain","score":0.9139999747276306},{"id":"https://openalex.org/keywords/hematoma-recurrence","display_name":"hematoma recurrence","score":0.9319999814033508},{"id":"https://openalex.org/keywords/surgical-outcomes","display_name":"surgical outcomes","score":0.6179999709129333},{"id":"https://openalex.org/keywords/glasgow-outcome-scale","display_name":"Glasgow Outcome Scale","score":0.8600000143051147},{"id":"https://openalex.org/keywords/neurological-deficit","display_name":"neurological deficit","score":0.7020000219345093},{"id":"https://openalex.org/keywords/postoperative-complications","display_name":"postoperative complications","score":0.8960000276565552},{"id":"https://openalex.org/keywords/elderly-patients","display_name":"elderly patients","score":0.7110000252723694},{"id":"https://openalex.org/keywords/coagulopathy","display_name":"coagulopathy","score":0.6570000052452087},{"id":"https://openalex.org/keywords/bilateral-subdural-hematoma","display_name":"bilateral subdural hematoma","score":0.8579999804496765},{"id":"https://openalex.org/keywords/length-of-hospital-stay","display_name":"length of hospital stay","score":0.7110000252723694}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8892289400100708},{"id":"https://openalex.org/C3017479329","wikidata":"https://www.wikidata.org/wiki/Q3144926","display_name":"Chronic subdural hematoma","level":3,"score":0.8184905052185059},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.7030254602432251},{"id":"https://openalex.org/C67592535","wikidata":"https://www.wikidata.org/wiki/Q7481320","display_name":"Drainage","level":2,"score":0.5354959964752197},{"id":"https://openalex.org/C61511704","wikidata":"https://www.wikidata.org/wiki/Q1671857","display_name":"Incidence (geometry)","level":2,"score":0.5073181986808777},{"id":"https://openalex.org/C2779662492","wikidata":"https://www.wikidata.org/wiki/Q468787","display_name":"Hematoma","level":2,"score":0.5004768371582031},{"id":"https://openalex.org/C190892606","wikidata":"https://www.wikidata.org/wiki/Q3512464","display_name":"Radiological weapon","level":2,"score":0.47452011704444885},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1016/s0973-0508(11)80019-5","doi":"https://doi.org/10.1016/s0973-0508(11)80019-5","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0973-0508(11)80019-5","pdf_url":null,"source":{"id":"https://openalex.org/S4210240878","display_name":"Indian Journal of Neurotrauma","issn_l":"2213-3739","issn":["2213-3739","0973-0508"],"is_oa":false,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","dongbi-c","poland-20","russia-white-list-4"],"host_organization":"https://openalex.org/P4310321135","host_organization_name":"Georg Thieme Verlag","host_organization_lineage":["https://openalex.org/P4310321135","https://openalex.org/P4310320000"],"host_organization_lineage_names":["Georg Thieme Verlag","Thieme Medical Publishers (Germany)"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Indian Journal of Neurotrauma","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:3040bd4fbe894df9ad2406c382d7ed97","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/3040bd4fbe894df9ad2406c382d7ed97","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"The Indian Journal of Neurotrauma, Vol 8, Iss 1, Pp 17-24 (2011)","raw_type":"article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":1.0}],"study_designs":[{"display_name":"Randomized Controlled Trial","id":"https://openalex.org/study-designs/randomized-controlled-trial"},{"display_name":"Clinical Trial","id":"https://openalex.org/study-designs/clinical-trial"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W13483706","https://openalex.org/W1500298934","https://openalex.org/W1965119984","https://openalex.org/W1973517550","https://openalex.org/W1979359091","https://openalex.org/W1982911338","https://openalex.org/W1996712197","https://openalex.org/W2005359747","https://openalex.org/W2006819197","https://openalex.org/W2056079950","https://openalex.org/W2069890766","https://openalex.org/W2073719341","https://openalex.org/W2076178734","https://openalex.org/W2083032187","https://openalex.org/W2092774649","https://openalex.org/W2106170172","https://openalex.org/W2109931763","https://openalex.org/W2111172661","https://openalex.org/W2140682185","https://openalex.org/W2153595236","https://openalex.org/W2155330233","https://openalex.org/W2414922075","https://openalex.org/W4242606007","https://openalex.org/W6600539037"],"related_works":["https://openalex.org/W7217651993","https://openalex.org/W204143738","https://openalex.org/W3176507877","https://openalex.org/W2033128819","https://openalex.org/W2971895439","https://openalex.org/W3033911057","https://openalex.org/W2215800686","https://openalex.org/W2606634458","https://openalex.org/W6949536392","https://openalex.org/W1977397802"],"abstract_inverted_index":{"The":[0,28,57,115],"incidence":[1],"of":[2,53,59,67,72,97,143,149,156,163,226,233,344],"chronic":[3,186,345],"subdural":[4,91,187,346],"hematoma":[5,188,347],"(CSDH)":[6],"is":[7,19],"about":[8],"5":[9],"per":[10,12],"100000":[11],"year":[13],"in":[14,70,165,194,242,253,289,304,311,314,321],"the":[15,32,42,47,51,54,65,77,104,166,204,312,322],"general":[16],"population":[17],"&":[18],"higher":[20],"for":[21,45,76],"those":[22],"aged":[23],"70":[24],"years":[25,215],"and":[26,41,125,139,197,252],"older.":[27],"recurrence":[29,48,301,308],"rates":[30,49],"after":[31,152],"initial":[33],"drainage":[34,291,343],"procedure":[35],"range":[36],"from":[37,106,211,262],"5%":[38],"to":[39,63,118,213,264],"30%,":[40],"treatment":[43],"strategies":[44],"reducing":[46],"are":[50],"focus":[52],"current":[55],"research.":[56],"aim":[58],"this":[60,329],"study":[61,339],"was":[62,145,175,192,240,287,302,309,330],"evaluate":[64],"results":[66],"treatment,":[68],"especially":[69],"terms":[71],"recurrence,":[73],"following":[74],"surgery":[75],"CSDH":[78,144,164,251],"obtained":[79],"with":[80,95,161,185,249,273],"\u201cone":[81],"time":[82],"burr-hole":[83],"drainage\u201d":[84],"(OTD)":[85],"vs":[86,294],"\u201ccontinuous":[87],"closed":[88],"drainage\u201d,":[89],"using":[90,177],"drain":[92],"(CD).":[93],"Patients":[94,130,272],"diagnosis":[96],"CSDH,":[98],"operated":[99],"at":[100,275,281,284],"our":[101],"center":[102],"during":[103],"period":[105,155],"September":[107],"2008":[108],"through":[109],"March":[110],"2010":[111],"were":[112,131,189],"prospectively":[113],"studied.":[114],"patients":[116,184,196,199,223,248,255,313],"randomized":[117],"two":[119],"arms,":[120],"group":[121,126,292,316,324],"1":[122],"underwent":[123,128,200],"OTD":[124,191,323],"2":[127,263],"CD.":[129,201],"analyzed":[132],"by":[133],"evaluating":[134],"their":[135],"hospital":[136],"clinical,":[137],"laboratory":[138],"radiological":[140],"data.":[141],"Recurrence":[142],"defined":[146],"as":[147],"reappearance":[148],"clinical":[150],"symptoms":[151],"a":[153],"minimum":[154],"one":[157,183],"month":[158],"post":[159],"surgery,":[160],"evidence":[162],"same":[167],"site":[168],"on":[169],"plain":[170],"CT":[171],"head.":[172],"Clinical":[173],"outcome":[174,179],"measured":[176],"Glasgow":[178],"score":[180],"(GOS).":[181],"Fifty":[182],"randomized.":[190],"done":[193],"26":[195],"25":[198],"Males":[202],"outnumbered":[203],"females":[205],"(45":[206],"vs.":[207],"6).":[208],"Age":[209],"ranged":[210,261],"17":[212],"85":[214],"(mean":[216,267],"53":[217],"\u00b1":[218,269],"15":[219],"years).":[220],"While":[221],"47":[222],"had":[224,231,256,278,297],"GCS":[225,232],"9\u201315,":[227],"remaining":[228],"4":[229,270],"(7%)":[230],"8":[234],"or":[235],"less.":[236],"Deranged":[237],"coagulation":[238],"profile":[239],"recorded":[241],"9":[243],"patients.":[244],"Imaging":[245],"showed":[246],"9%":[247],"bilateral":[250],"14%":[254],"isodense":[257],"CSDH.":[258],"Hospital":[259],"stay":[260],"24":[265],"days":[266],"3":[268],"days).":[271],"deficit":[274,280],"admission":[276],"usually":[277],"neurological":[279],"discharge.":[282],"GOS":[283],"6":[285],"months":[286],"better":[288],"continuous":[290,342],"(48%":[293],"44%)":[295],"but":[296,328],"more":[298],"complications.":[299],"Symptomatic":[300],"noticed":[303],"10":[305],"(19%)":[306],"patients;":[307],"lower":[310],"CD":[315],"(n=":[317,325],"4,":[318],"16%)":[319],"than":[320],"6,":[326],"23%)":[327],"not":[331,349],"statistically":[332],"significant":[333],"(p":[334],"value":[335],"-":[336],"0.60).":[337],"Our":[338],"shows":[340],"that":[341],"does":[348],"offer":[350],"any":[351],"advantage":[352],"over":[353],"simple":[354],"burr":[355],"hole":[356],"drainage.":[357]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":1}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2016-06-24T00:00:00"}