{"id":"https://openalex.org/W1807036088","doi":"https://doi.org/10.3109/01443615.2015.1004524","title":"Clinical risk factors for ovarian torsion","display_name":"Clinical risk factors for ovarian torsion","publication_year":2015,"publication_date":"2015-07-27","ids":{"openalex":"https://openalex.org/W1807036088","doi":"https://doi.org/10.3109/01443615.2015.1004524","mag":"1807036088","pmid":"https://pubmed.ncbi.nlm.nih.gov/26212687"},"language":"en","primary_location":{"id":"doi:10.3109/01443615.2015.1004524","doi":"https://doi.org/10.3109/01443615.2015.1004524","is_oa":false,"landing_page_url":"https://doi.org/10.3109/01443615.2015.1004524","pdf_url":null,"source":{"id":"https://openalex.org/S35334646","display_name":"Journal of Obstetrics and Gynaecology","issn_l":"0144-3615","issn":["0144-3615","1364-6893"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-40","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320449","host_organization_name":"Informa","host_organization_lineage":["https://openalex.org/P4310320449"],"host_organization_lineage_names":["Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Obstetrics and Gynaecology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj","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/A5070786390","display_name":"Victoria Asfour","orcid":"https://orcid.org/0000-0002-9022-6753","observed_orcids":["https://orcid.org/0000-0002-9022-6753"]},"institutions":[{"id":"https://openalex.org/I1324925910","display_name":"St Thomas' Hospital","ror":"https://ror.org/054gk2851","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I1324925910","https://openalex.org/I200166805","https://openalex.org/I4210111135"]},{"id":"https://openalex.org/I4210122669","display_name":"St. Thomas Hospital","ror":"https://ror.org/023dwm995","country_code":"CA","type":"healthcare","lineage":["https://openalex.org/I4210122669"]}],"countries":["CA","GB"],"is_corresponding":true,"raw_author_name":"V. Asfour","raw_affiliation_strings":["Department of Obstetrics and Gynaecology, St Thomas Hospital","a Department of Obstetrics and Gynaecology , St Thomas Hospital , London , UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynaecology, St Thomas Hospital","institution_ids":["https://openalex.org/I1324925910","https://openalex.org/I4210122669"]},{"raw_affiliation_string":"a Department of Obstetrics and Gynaecology , St Thomas Hospital , London , UK","institution_ids":["https://openalex.org/I1324925910"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088896817","display_name":"Rajesh Varma","orcid":"https://orcid.org/0000-0003-4672-4461","observed_orcids":["https://orcid.org/0000-0003-4672-4461"]},"institutions":[{"id":"https://openalex.org/I1324925910","display_name":"St Thomas' Hospital","ror":"https://ror.org/054gk2851","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I1324925910","https://openalex.org/I200166805","https://openalex.org/I4210111135"]},{"id":"https://openalex.org/I4210122669","display_name":"St. Thomas Hospital","ror":"https://ror.org/023dwm995","country_code":"CA","type":"healthcare","lineage":["https://openalex.org/I4210122669"]}],"countries":["CA","GB"],"is_corresponding":false,"raw_author_name":"R. Varma","raw_affiliation_strings":["Department of Obstetrics and Gynaecology, St Thomas Hospital","a Department of Obstetrics and Gynaecology , St Thomas Hospital , London , UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynaecology, St Thomas Hospital","institution_ids":["https://openalex.org/I1324925910","https://openalex.org/I4210122669"]},{"raw_affiliation_string":"a Department of Obstetrics and Gynaecology , St Thomas Hospital , London , UK","institution_ids":["https://openalex.org/I1324925910"]}]},{"author_position":"last","author":{"id":null,"display_name":"P. Menon","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1324925910","display_name":"St Thomas' Hospital","ror":"https://ror.org/054gk2851","country_code":"GB","type":"healthcare","lineage":["https://openalex.org/I1324925910","https://openalex.org/I200166805","https://openalex.org/I4210111135"]},{"id":"https://openalex.org/I4210122669","display_name":"St. Thomas Hospital","ror":"https://ror.org/023dwm995","country_code":"CA","type":"healthcare","lineage":["https://openalex.org/I4210122669"]}],"countries":["CA","GB"],"is_corresponding":false,"raw_author_name":"P. Menon","raw_affiliation_strings":["Department of Histopathology, St Thomas Hospital","b Department of Histopathology , St Thomas Hospital , London , UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Histopathology, St Thomas Hospital","institution_ids":["https://openalex.org/I1324925910","https://openalex.org/I4210122669"]},{"raw_affiliation_string":"b Department of Histopathology , St Thomas Hospital , London , UK","institution_ids":["https://openalex.org/I1324925910"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5070786390"],"corresponding_institution_ids":["https://openalex.org/I1324925910","https://openalex.org/I4210122669"],"apc_list":{"value":3265,"currency":"AUD","value_usd":2390},"apc_paid":null,"fwci":4.6894,"has_fulltext":false,"cited_by_count":73,"citation_normalized_percentile":{"value":0.94319373,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"35","issue":"7","first_page":"721","last_page":"725"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11589","display_name":"Gynecological conditions and treatments","score":0.9369999766349792,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"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/T11589","display_name":"Gynecological conditions and treatments","score":0.9369999766349792,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"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/T10390","display_name":"Ovarian function and disorders","score":0.0406000018119812,"subfield":{"id":"https://openalex.org/subfields/2743","display_name":"Reproductive Medicine"},"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/T12096","display_name":"Ectopic Pregnancy Diagnosis and Management","score":0.004100000020116568,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"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/ovarian-torsion","display_name":"ovarian torsion","score":1.0},{"id":"https://openalex.org/keywords/risk-factors","display_name":"risk factors","score":0.8989999890327454},{"id":"https://openalex.org/keywords/ovarian-cysts","display_name":"ovarian cysts","score":0.9240000247955322},{"id":"https://openalex.org/keywords/pregnancy","display_name":"pregnancy","score":0.8930000066757202},{"id":"https://openalex.org/keywords/tubal-ligation","display_name":"tubal ligation","score":0.9760000109672546},{"id":"https://openalex.org/keywords/acute-lower-abdominal-pain","display_name":"acute lower abdominal pain","score":0.8299999833106995},{"id":"https://openalex.org/keywords/gynecological-emergencies","display_name":"gynecologic emergencies","score":0.8240000009536743},{"id":"https://openalex.org/keywords/ovarian-infarction","display_name":"ovarian infarction","score":0.6129999756813049}],"concepts":[{"id":"https://openalex.org/C2780732563","wikidata":"https://www.wikidata.org/wiki/Q552233","display_name":"Ovarian torsion","level":2,"score":0.8529194593429565},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8512970209121704},{"id":"https://openalex.org/C156957248","wikidata":"https://www.wikidata.org/wiki/Q1862216","display_name":"Odds ratio","level":2,"score":0.6253795623779297},{"id":"https://openalex.org/C2777910003","wikidata":"https://www.wikidata.org/wiki/Q1707292","display_name":"Asymptomatic","level":2,"score":0.5921472907066345},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.5296787023544312},{"id":"https://openalex.org/C143095724","wikidata":"https://www.wikidata.org/wiki/Q515895","display_name":"Odds","level":3,"score":0.5117635726928711},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.3901095688343048},{"id":"https://openalex.org/C29456083","wikidata":"https://www.wikidata.org/wiki/Q1221899","display_name":"Gynecology","level":1,"score":0.3671242594718933},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.2673945426940918},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.22651618719100952},{"id":"https://openalex.org/C151956035","wikidata":"https://www.wikidata.org/wiki/Q1132755","display_name":"Logistic regression","level":2,"score":0.20955559611320496},{"id":"https://openalex.org/C99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D010048","descriptor_name":"Ovarian Cysts","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":true},{"descriptor_ui":"D010049","descriptor_name":"Ovarian Diseases","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":true},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011248","descriptor_name":"Pregnancy Complications","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":true},{"descriptor_ui":"D012307","descriptor_name":"Risk Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013246","descriptor_name":"Sterilization, Tubal","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014102","descriptor_name":"Torsion Abnormality","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":true},{"descriptor_ui":"D015995","descriptor_name":"Prevalence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":3,"locations":[{"id":"doi:10.3109/01443615.2015.1004524","doi":"https://doi.org/10.3109/01443615.2015.1004524","is_oa":false,"landing_page_url":"https://doi.org/10.3109/01443615.2015.1004524","pdf_url":null,"source":{"id":"https://openalex.org/S35334646","display_name":"Journal of Obstetrics and Gynaecology","issn_l":"0144-3615","issn":["0144-3615","1364-6893"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-40","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320449","host_organization_name":"Informa","host_organization_lineage":["https://openalex.org/P4310320449"],"host_organization_lineage_names":["Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Obstetrics and Gynaecology","raw_type":"journal-article"},{"id":"pmid:26212687","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/26212687","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":"Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology","raw_type":"Journal Article"},{"id":"mag:1807036088","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/26212687","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":null,"is_accepted":false,"is_published":false,"raw_source_name":"PubMed","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9940000176429749,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W73331867","https://openalex.org/W1964041566","https://openalex.org/W1977479129","https://openalex.org/W1984729705","https://openalex.org/W1992134515","https://openalex.org/W2000062555","https://openalex.org/W2006053483","https://openalex.org/W2008587324","https://openalex.org/W2008634842","https://openalex.org/W2015603916","https://openalex.org/W2031346518","https://openalex.org/W2049926497","https://openalex.org/W2051946105","https://openalex.org/W2052875979","https://openalex.org/W2057794180","https://openalex.org/W2085200906","https://openalex.org/W2110626412","https://openalex.org/W2124208130","https://openalex.org/W2136499073","https://openalex.org/W2151092696","https://openalex.org/W2154457439","https://openalex.org/W2172215869","https://openalex.org/W2394741254","https://openalex.org/W2403785585","https://openalex.org/W4253926531"],"related_works":["https://openalex.org/W4406968267","https://openalex.org/W7115581185","https://openalex.org/W4376566497","https://openalex.org/W4220753290","https://openalex.org/W3131274526","https://openalex.org/W4386862340","https://openalex.org/W2015603916","https://openalex.org/W4414064688","https://openalex.org/W4400356167","https://openalex.org/W3035616353"],"abstract_inverted_index":{"Ovarian":[0,163],"torsion":[1,19,60,134,147,172,206,245],"is":[2,43,201,257],"a":[3,67,86,92,202,259],"relatively":[4],"common":[5,169,186],"gynaecological":[6],"emergency,":[7],"usually":[8],"presenting":[9,104],"as":[10,196],"acute":[11],"lower":[12],"abdominal":[13],"pain.":[14],"The":[15],"underlying":[16],"pathophysiology":[17],"involves":[18],"of":[20,58,66,75,85,102,111,125,133,141,152,161,228,236,244,262],"the":[21,39,49,56,64,73,83,100,108,123,126,130,139,150,153,158,176,188,197,229,234,242],"ovarian":[22,59,77,96,117,146,171,182,255],"tissue":[23],"on":[24],"its":[25],"pedicle":[26],"leading":[27],"to":[28,81,90,222],"reduced":[29],"venous":[30],"return,":[31],"stromal":[32],"oedema,":[33],"internal":[34],"haemorrhage":[35],"and":[36,61,119,225],"infarction":[37],"with":[38,122,254],"subsequent":[40],"sequelae.":[41],"It":[42],"not":[44,258],"clear":[45],"from":[46],"looking":[47,115],"at":[48,116,248],"literature":[50],"which":[51],"factors":[52],"are":[53,63,165,184],"responsible":[54],"for":[55,95,113,205],"development":[57],"what":[62],"odds":[65,124,140,151],"particular":[68,87],"clinical":[69,88,105,143],"feature":[70,89,106,127,155],"in":[71,107,129,145,157,170,175,187,238],"determining":[72],"likelihood":[74,84],"developing":[76],"torsion.":[78,263],"In":[79],"order":[80],"assess":[82],"be":[91],"risk":[93,203,243,260],"factor":[94,204,261],"torsion,":[97],"we":[98,137],"studied":[99],"prevalence":[101],"each":[103],"background":[109,159],"population":[110,132,160],"women,":[112],"instance,":[114],"cysts":[118,164,183],"compared":[120,138],"this":[121],"occurring":[128,156],"affected":[131],"patients.":[135],"Thus":[136],"various":[142],"variables":[144],"patients":[148],"against":[149],"same":[154],"women.":[162],"three":[166],"times":[167],"more":[168],"cohorts":[173],"than":[174],"general":[177],"population.":[178],"Evidence":[179],"suggests":[180],"that":[181],"very":[185],"asymptomatic":[189],"pregnant":[190],"cohorts;":[191],"however,":[192,210],"they":[193],"spontaneously":[194],"resolve":[195],"pregnancy":[198],"progresses.":[199],"Pregnancy":[200],"(odds":[207],"ratio:":[208],"18:1);":[209],"it":[211],"remains":[212],"an":[213],"uncommon":[214],"event":[215],"(0.167%).":[216],"Tubal":[217],"sterilisation":[218,240],"practices":[219],"vary":[220],"according":[221],"geographical":[223],"location":[224],"over":[226],"chronology":[227],"published":[230],"literature.":[231],"After":[232],"considering":[233],"extremes":[235],"variation":[237],"tubal":[239],"practices,":[241],"increases":[246],"by":[247],"least":[249],"8-fold":[250],"following":[251],"surgery.":[252],"Hysterectomy":[253],"conservation":[256]},"counts_by_year":[{"year":2026,"cited_by_count":5},{"year":2025,"cited_by_count":13},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":7},{"year":2020,"cited_by_count":10},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":7},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":5},{"year":2015,"cited_by_count":1}],"updated_date":"2026-11-12T12:28:57.059296","created_date":"2016-06-24T00:00:00"}
