{"id":"https://openalex.org/W189542589","doi":null,"title":"On diet in ankylosing spondylitis","display_name":"On diet in ankylosing spondylitis","publication_year":2011,"publication_date":"2011-01-01","ids":{"openalex":"https://openalex.org/W189542589","mag":"189542589"},"language":"en","primary_location":{"id":"pmh:oai:DiVA.org:umu-48557","doi":null,"is_oa":true,"landing_page_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-48557","pdf_url":null,"source":{"id":"https://openalex.org/S4306401559","display_name":"KTH Publication Database DiVA (KTH Royal Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I86987016","host_organization_name":"KTH Royal Institute of Technology","host_organization_lineage":["https://openalex.org/I86987016"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/doctoralThesis"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-48557","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5082667731","display_name":"Bj\u00f6rn Sundstr\u00f6m","orcid":"https://orcid.org/0000-0001-7226-0969","observed_orcids":["https://orcid.org/0000-0001-7226-0969"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Bj\u00f6rn Sundstr\u00f6m","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0001-7226-0969","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5082667731"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11092","display_name":"Spondyloarthritis Studies and Treatments","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"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/T11092","display_name":"Spondyloarthritis Studies and Treatments","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2745","display_name":"Rheumatology"},"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/T10134","display_name":"Inflammatory Bowel Disease","score":0.0003000000142492354,"subfield":{"id":"https://openalex.org/subfields/2715","display_name":"Gastroenterology"},"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/T10866","display_name":"Nutritional Studies and Diet","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2739","display_name":"Public Health, Environmental and Occupational Health"},"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/ankylosing-spondylitis","display_name":"ankylosing spondylitis","score":0.9990000128746033},{"id":"https://openalex.org/keywords/diet","display_name":"diet","score":0.8370000123977661},{"id":"https://openalex.org/keywords/eating-habits","display_name":"dietary habits","score":0.6729999780654907},{"id":"https://openalex.org/keywords/gastrointestinal-symptoms","display_name":"gastrointestinal symptoms","score":0.8980000019073486},{"id":"https://openalex.org/keywords/disease-activity","display_name":"disease activity","score":0.7279999852180481},{"id":"https://openalex.org/keywords/omega-3-supplementation","display_name":"omega-3 supplementation","score":0.8579999804496765},{"id":"https://openalex.org/keywords/long-chain-n-3-polyunsaturated-fatty-acids","display_name":"n-3 long-chain polyunsaturated fatty acids","score":0.9259999990463257},{"id":"https://openalex.org/keywords/arachidonic-acid","display_name":"arachidonic acid","score":0.9769999980926514},{"id":"https://openalex.org/keywords/delta-5-desaturase","display_name":"delta-5 desaturase","score":0.8790000081062317},{"id":"https://openalex.org/keywords/cardiovascular-risk-factors","display_name":"cardiovascular risk factors","score":0.9200000166893005},{"id":"https://openalex.org/keywords/serum-lipids","display_name":"serum lipids","score":0.9409999847412109},{"id":"https://openalex.org/keywords/cholesterol","display_name":"cholesterol","score":0.45399999618530273},{"id":"https://openalex.org/keywords/triglycerides","display_name":"triglycerides","score":1.0},{"id":"https://openalex.org/keywords/vasterbotten-intervention-programme","display_name":"V\u00e4sterbotten Intervention Programme","score":0.8489999771118164},{"id":"https://openalex.org/keywords/nutritional-biomarkers","display_name":"dietary biomarkers","score":0.5960000157356262}],"concepts":[{"id":"https://openalex.org/C2777402515","wikidata":"https://www.wikidata.org/wiki/Q52849","display_name":"Ankylosing spondylitis","level":2,"score":0.9641500115394592},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.7751855850219727},{"id":"https://openalex.org/C2779650986","wikidata":"https://www.wikidata.org/wiki/Q2165411","display_name":"Spondylitis","level":3,"score":0.4687279462814331},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.35409799218177795}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:DiVA.org:umu-48557","doi":null,"is_oa":true,"landing_page_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-48557","pdf_url":null,"source":{"id":"https://openalex.org/S4306401559","display_name":"KTH Publication Database DiVA (KTH Royal Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I86987016","host_organization_name":"KTH Royal Institute of Technology","host_organization_lineage":["https://openalex.org/I86987016"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/doctoralThesis"},{"id":"mag:189542589","doi":null,"is_oa":false,"landing_page_url":"http://umu.diva-portal.org/smash/get/diva2:451931/FULLTEXT02.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"pmh:oai:DiVA.org:umu-48557","doi":null,"is_oa":true,"landing_page_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-48557","pdf_url":null,"source":{"id":"https://openalex.org/S4306401559","display_name":"KTH Publication Database DiVA (KTH Royal Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I86987016","host_organization_name":"KTH Royal Institute of Technology","host_organization_lineage":["https://openalex.org/I86987016"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/doctoralThesis"},"sustainable_development_goals":[{"score":1.0,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":135,"referenced_works":["https://openalex.org/W29742721","https://openalex.org/W35214484","https://openalex.org/W75549752","https://openalex.org/W120465177","https://openalex.org/W137110278","https://openalex.org/W141359805","https://openalex.org/W157734311","https://openalex.org/W171031191","https://openalex.org/W179140423","https://openalex.org/W209756825","https://openalex.org/W247872858","https://openalex.org/W614390422","https://openalex.org/W1502939644","https://openalex.org/W1582850642","https://openalex.org/W1720097311","https://openalex.org/W1733072531","https://openalex.org/W1757058093","https://openalex.org/W1775492403","https://openalex.org/W1802683447","https://openalex.org/W1812749912","https://openalex.org/W1828008232","https://openalex.org/W1911154327","https://openalex.org/W1923747726","https://openalex.org/W1930853970","https://openalex.org/W1942190035","https://openalex.org/W1965690582","https://openalex.org/W1966224298","https://openalex.org/W1966756689","https://openalex.org/W1967245452","https://openalex.org/W1967929674","https://openalex.org/W1969917809","https://openalex.org/W1970239356","https://openalex.org/W1970429420","https://openalex.org/W1971623493","https://openalex.org/W1973086774","https://openalex.org/W1976270952","https://openalex.org/W1977261901","https://openalex.org/W1977274945","https://openalex.org/W1979202709","https://openalex.org/W1980137478","https://openalex.org/W1986448272","https://openalex.org/W1987599783","https://openalex.org/W1989601770","https://openalex.org/W1994488560","https://openalex.org/W1997085730","https://openalex.org/W2003347868","https://openalex.org/W2003520350","https://openalex.org/W2007616401","https://openalex.org/W2007698429","https://openalex.org/W2008932928","https://openalex.org/W2017103439","https://openalex.org/W2019991466","https://openalex.org/W2021904471","https://openalex.org/W2027497238","https://openalex.org/W2029646852","https://openalex.org/W2034066083","https://openalex.org/W2036168216","https://openalex.org/W2036708533","https://openalex.org/W2038055439","https://openalex.org/W2038095770","https://openalex.org/W2038265639","https://openalex.org/W2047480829","https://openalex.org/W2048873945","https://openalex.org/W2051603103","https://openalex.org/W2052531773","https://openalex.org/W2059751934","https://openalex.org/W2060070399","https://openalex.org/W2065534376","https://openalex.org/W2066880188","https://openalex.org/W2069632591","https://openalex.org/W2072908576","https://openalex.org/W2073273015","https://openalex.org/W2073950805","https://openalex.org/W2077036279","https://openalex.org/W2077615804","https://openalex.org/W2080312876","https://openalex.org/W2082002681","https://openalex.org/W2083148209","https://openalex.org/W2085186429","https://openalex.org/W2086107460","https://openalex.org/W2086890022","https://openalex.org/W2087162507","https://openalex.org/W2087304709","https://openalex.org/W2091872286","https://openalex.org/W2094788185","https://openalex.org/W2096652486","https://openalex.org/W2100496294","https://openalex.org/W2100631748","https://openalex.org/W2101882566","https://openalex.org/W2102044527","https://openalex.org/W2102407431","https://openalex.org/W2103778140","https://openalex.org/W2103874459","https://openalex.org/W2103941959","https://openalex.org/W2104868811","https://openalex.org/W2106431766","https://openalex.org/W2109225320","https://openalex.org/W2110982861","https://openalex.org/W2111665358","https://openalex.org/W2112041115","https://openalex.org/W2115678593","https://openalex.org/W2117287919","https://openalex.org/W2117408599","https://openalex.org/W2125623644","https://openalex.org/W2127756765","https://openalex.org/W2128264631","https://openalex.org/W2129359566","https://openalex.org/W2136379934","https://openalex.org/W2136494572","https://openalex.org/W2141744584","https://openalex.org/W2147633957","https://openalex.org/W2148357767","https://openalex.org/W2148370489","https://openalex.org/W2148562709","https://openalex.org/W2149218898","https://openalex.org/W2150881345","https://openalex.org/W2151211184","https://openalex.org/W2153856142","https://openalex.org/W2157497304","https://openalex.org/W2161386586","https://openalex.org/W2161775440","https://openalex.org/W2165270724","https://openalex.org/W2165356529","https://openalex.org/W2165958790","https://openalex.org/W2167200350","https://openalex.org/W2170081879","https://openalex.org/W2257356030","https://openalex.org/W2269925895","https://openalex.org/W2274045343","https://openalex.org/W2327593005","https://openalex.org/W2400291956","https://openalex.org/W2404133649","https://openalex.org/W2441382692","https://openalex.org/W2468423559","https://openalex.org/W3148487900"],"related_works":["https://openalex.org/W2010876987","https://openalex.org/W2034710206","https://openalex.org/W2766804112","https://openalex.org/W2019991466","https://openalex.org/W1582850642","https://openalex.org/W4321375103","https://openalex.org/W4200310143","https://openalex.org/W2921984322","https://openalex.org/W2334846644","https://openalex.org/W7100248868"],"abstract_inverted_index":{"The":[0,76,333,360],"aim":[1],"of":[2,10,25,37,45,115,128,133,139,149,175,188,249,267,297,316,323,335,362,376],"this":[3],"thesis":[4],"was":[5,119,154,274],"to":[6,276],"examine":[7],"the":[8,50,56,71,92,134,147,173,185,189,201,213,247,262,373,380],"role":[9],"diet":[11,38,157,238],"in":[12,104,110,179,200,244,255,261,313,340,389],"ankylosing":[13],"spondylitis":[14],"(AS).":[15],"Patients":[16],"were":[17,108,239,253],"examined":[18],"in:":[19],"i)":[20],"a":[21,33,43,63,125,197,265,295,336,352,363],"postal":[22,77],"questionnaire":[23],"survey":[24,78],"dietary":[26,85,307,354],"habits":[27,86,308],"and":[28,39,87,103,124,158,172,184,218,237,251,309,328,369,372],"gastrointestinal":[29],"(GI)":[30],"symptoms;":[31],"ii)":[32],"study":[34,69,148],"on":[35,73,342],"biomarkers":[36,150],"disease":[40,74,88,159,278,310,338,358,367],"activity;":[41],"iii)":[42],"comparison":[44],"cardiovascular":[46,330],"risk":[47,331],"factors":[48],"with":[49,112,204,258,318,345],"general":[51],"population":[52],"using":[53],"data":[54,211],"from":[55,212],"Va\u0308sterbotten":[57],"Intervention":[58],"Programme":[59],"(VIP),":[60],"and;":[61],"iv)":[62],"21-week":[64],"omega-3":[65,269,347],"fatty":[66,270,348,386],"acid":[67,177,387],"supplementation":[68,263,344],"regarding":[70,224],"effects":[72],"activity.":[75,311,359],"(111":[79],"respondents)":[80],"revealed":[81],"no":[82,152,221,290,303],"correlation":[83,153,304,365],"between":[84,156,170,234,305,366],"activity":[89,160,187,227,339,368],"measured":[90,281],"by":[91,121,163,282],"Bath":[93],"Ankylosing":[94],"Spondylitis":[95],"Disease":[96],"Activity":[97],"Index":[98],"(BASDAI).":[99],"However,":[100],"GI":[101,106],"problems,":[102],"particular":[105],"pain,":[107],"prevalent":[109],"patients":[111,135,216,242,256,300,317,341],"AS":[113,205,299,319],"irrespective":[114],"NSAID":[116],"usage.Gastrointestinal":[117],"pain":[118],"predicted":[120],"higher":[122,126],"BASDAI":[123,171],"consumption":[127],"vegetables.":[129],"Overall,":[130],"30":[131],"(27%)":[132],"experienced":[136],"an":[137],"aggravation":[138],"gastric":[140,326],"symptoms":[141,327],"when":[142],"consuming":[143],"certain":[144],"foods.":[145],"In":[146,292],"(n=66)":[151],"found":[155,275,302],"as":[161,280],"assessed":[162],"BASDAI.":[164],"There":[165],"were,":[166],"however,":[167,321],"positive":[168,364],"correlations":[169,233],"content":[174],"arachidonic":[176],"(AA)":[178],"plasma":[180,370],"phospholipids":[181],"(rs=0.39,":[182],"p<0.01)":[183],"estimated":[186],"enzyme":[190],"delta-5-desaturase":[191],"(rs=0.37,":[192],"p<0.01).":[193],"This":[194],"may":[195,356],"reflect":[196],"process":[198],"involved":[199],"inflammation":[202],"associated":[203],"that":[206,351],"requires":[207],"further":[208,383],"investigation.":[209],"Comparing":[210],"VIP":[214],"for":[215,325,329,382],"(n=89)":[217],"controls":[219],"showed":[220],"significant":[222],"differences":[223],"diet,":[225],"physical":[226],"or":[228],"smoking.":[229],"Nonetheless,":[230],"more":[231],"pronounced":[232],"blood":[235,377],"lipids":[236,378],"identified":[240],"among":[241],"than":[243],"controls.":[245,259],"Furthermore,":[246],"levels":[248,375],"cholesterol":[250],"triglycerides":[252],"lower":[254,277],"compared":[257],"Lastly,":[260],"study,":[264],"high-dose":[266,343],"long-chain":[268,346],"acids":[271,349],"(4.55":[272],"grams/day)":[273,288],"activity,":[279],"BASDAI,":[283],"whereas":[284],"low-dose":[285],"treatment":[286],"(1.95":[287],"caused":[289],"change.":[291],"conclusion,":[293],"within":[294],"group":[296],"Swedish":[298],"we":[301],"ordinary":[306],"Diet":[312],"western":[314],"populations":[315],"may,":[320],"be":[322],"importance":[324],"factors.":[332],"finding":[334],"lowered":[337],"indicates":[350],"radical":[353],"shift":[355],"influence":[357],"findings":[361],"AA,":[371],"decreased":[374],"imply":[379],"need":[381],"studies":[384],"into":[385],"metabolism":[388],"AS.":[390]},"counts_by_year":[{"year":2017,"cited_by_count":1},{"year":2013,"cited_by_count":2}],"updated_date":"2026-11-06T12:05:46.655746","created_date":"2016-06-24T00:00:00"}