{"id":"https://openalex.org/W7225814633","doi":"https://doi.org/10.1186/s41100-026-00789-x","title":"Severe caffeine intoxication after sustained nonsuicidal caffeine use requiring hemodialysis: a case report","display_name":"Severe caffeine intoxication after sustained nonsuicidal caffeine use requiring hemodialysis: a case report","publication_year":2026,"publication_date":"2026-11-12","ids":{"openalex":"https://openalex.org/W7225814633","doi":"https://doi.org/10.1186/s41100-026-00789-x"},"language":"en","primary_location":{"id":"doi:10.1186/s41100-026-00789-x","doi":"https://doi.org/10.1186/s41100-026-00789-x","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s41100-026-00789-x","pdf_url":null,"source":{"id":"https://openalex.org/S2764611265","display_name":"Renal Replacement Therapy","issn_l":"2059-1381","issn":["2059-1381"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","poland-20","russia-white-list-3"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Renal Replacement Therapy","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.1186/s41100-026-00789-x","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5072739061","display_name":"Takuya Sugiura","orcid":"https://orcid.org/0009-0002-7952-4175","observed_orcids":["https://orcid.org/0009-0002-7952-4175"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Takuya Sugiura","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0009-0002-7952-4175","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021753919","display_name":"Akane Koyano","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Akane Koyano","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5161477244","display_name":"Tomoko Ueno","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Tomoko Ueno","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065416025","display_name":"Hiromu Rachi","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hiromu Rachi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076497686","display_name":"Kimitoshi Shiratori","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kimitoshi Shiratori","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043791177","display_name":"Megumi Shimasaki","orcid":"https://orcid.org/0000-0002-8619-9166","observed_orcids":["https://orcid.org/0000-0002-8619-9166"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Megumi Shimasaki","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046302953","display_name":"Seiko Takanohashi","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Seiko Takanohashi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016859146","display_name":"Akashi Togawa","orcid":"https://orcid.org/0000-0002-2713-0038","observed_orcids":["https://orcid.org/0000-0002-2713-0038"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Akashi Togawa","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5161486704","display_name":"Shoichi Maruyama","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Shoichi Maruyama","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":0,"currency":"USD","value_usd":0},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"12","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11635","display_name":"Poisoning and overdose treatments","score":0.8910999894142151,"subfield":{"id":"https://openalex.org/subfields/2711","display_name":"Emergency Medicine"},"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/T11635","display_name":"Poisoning and overdose treatments","score":0.8910999894142151,"subfield":{"id":"https://openalex.org/subfields/2711","display_name":"Emergency 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/T11264","display_name":"Coffee research and impacts","score":0.10159999877214432,"subfield":{"id":"https://openalex.org/subfields/2736","display_name":"Pharmacology (medical)"},"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/T10800","display_name":"Forensic Toxicology and Drug Analysis","score":0.0038999998942017555,"subfield":{"id":"https://openalex.org/subfields/3005","display_name":"Toxicology"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[],"concepts":[{"id":"https://openalex.org/C2778500429","wikidata":"https://www.wikidata.org/wiki/Q60235","display_name":"Caffeine","level":2,"score":0.9740999937057495},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8795999884605408},{"id":"https://openalex.org/C2779246250","wikidata":"https://www.wikidata.org/wiki/Q1598200","display_name":"Metabolic acidosis","level":2,"score":0.6868000030517578},{"id":"https://openalex.org/C42219234","wikidata":"https://www.wikidata.org/wiki/Q131130","display_name":"Anesthesia","level":1,"score":0.5698000192642212},{"id":"https://openalex.org/C2778063415","wikidata":"https://www.wikidata.org/wiki/Q391744","display_name":"Hemodialysis","level":2,"score":0.44699999690055847},{"id":"https://openalex.org/C2780724011","wikidata":"https://www.wikidata.org/wiki/Q1295316","display_name":"Emergency department","level":2,"score":0.39640000462532043},{"id":"https://openalex.org/C3017944768","wikidata":"https://www.wikidata.org/wiki/Q1450463","display_name":"Poison control","level":2,"score":0.3790999948978424},{"id":"https://openalex.org/C2779365888","wikidata":"https://www.wikidata.org/wiki/Q194168","display_name":"Antidote","level":3,"score":0.3531999886035919},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.34610000252723694},{"id":"https://openalex.org/C29730261","wikidata":"https://www.wikidata.org/wiki/Q274160","display_name":"Toxicity","level":2,"score":0.33559998869895935},{"id":"https://openalex.org/C2778165595","wikidata":"https://www.wikidata.org/wiki/Q5491454","display_name":"Resuscitation","level":2,"score":0.3237999975681305},{"id":"https://openalex.org/C2776315796","wikidata":"https://www.wikidata.org/wiki/Q3505252","display_name":"Drug overdose","level":3,"score":0.29420000314712524},{"id":"https://openalex.org/C2780317664","wikidata":"https://www.wikidata.org/wiki/Q1500373","display_name":"Lactic acidosis","level":2,"score":0.2904999852180481},{"id":"https://openalex.org/C2777735490","wikidata":"https://www.wikidata.org/wiki/Q2351083","display_name":"Metabolic disorder","level":2,"score":0.2892000079154968},{"id":"https://openalex.org/C2778553927","wikidata":"https://www.wikidata.org/wiki/Q185089","display_name":"Acidosis","level":2,"score":0.2766000032424927},{"id":"https://openalex.org/C42407357","wikidata":"https://www.wikidata.org/wiki/Q521","display_name":"Physiology","level":1,"score":0.27000001072883606},{"id":"https://openalex.org/C190385971","wikidata":"https://www.wikidata.org/wiki/Q373494","display_name":"Injury prevention","level":3,"score":0.2590000033378601}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1186/s41100-026-00789-x","doi":"https://doi.org/10.1186/s41100-026-00789-x","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s41100-026-00789-x","pdf_url":null,"source":{"id":"https://openalex.org/S2764611265","display_name":"Renal Replacement Therapy","issn_l":"2059-1381","issn":["2059-1381"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","poland-20","russia-white-list-3"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Renal Replacement Therapy","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1186/s41100-026-00789-x","doi":"https://doi.org/10.1186/s41100-026-00789-x","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s41100-026-00789-x","pdf_url":null,"source":{"id":"https://openalex.org/S2764611265","display_name":"Renal Replacement Therapy","issn_l":"2059-1381","issn":["2059-1381"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","poland-20","russia-white-list-3"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Renal Replacement Therapy","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W1972200239","https://openalex.org/W2039922801","https://openalex.org/W2040849068","https://openalex.org/W2057408429","https://openalex.org/W2070543765","https://openalex.org/W2136717001","https://openalex.org/W2139149616","https://openalex.org/W2142789900","https://openalex.org/W2618570363","https://openalex.org/W2706842590","https://openalex.org/W2793021392","https://openalex.org/W2800215171","https://openalex.org/W2891701391","https://openalex.org/W3125824553","https://openalex.org/W3127218263","https://openalex.org/W3139180119","https://openalex.org/W4205174892","https://openalex.org/W4308821114","https://openalex.org/W4321373459","https://openalex.org/W4383337499","https://openalex.org/W4401494513","https://openalex.org/W4403636236","https://openalex.org/W4412196470","https://openalex.org/W7128639119"],"related_works":[],"abstract_inverted_index":{"Abstract":[0],"Background":[1],"Severe":[2,98],"caffeine":[3,18,31,44,74,82,99,120,124,135],"intoxication":[4,32,100],"is":[5],"well":[6],"described":[7],"after":[8,69],"acute":[9,113],"high-dose":[10],"ingestion,":[11],"whereas":[12],"cases":[13],"associated":[14],"with":[15,144],"sustained":[16],"nonsuicidal":[17],"use":[19,76],"have":[20],"been":[21],"less":[22],"frequently":[23],"reported.":[24],"We":[25],"report":[26],"a":[27,36],"case":[28],"of":[29,43,72,129],"severe":[30,145],"requiring":[33],"hemodialysis":[34,88],"in":[35,141],"patient":[37],"who":[38],"reported":[39,73,107],"taking":[40],"400":[41],"mg/day":[42],"for":[45],"16":[46,70],"consecutive":[47],"days.":[48],"Case":[49],"Presentation":[50],"A":[51,115],"previously":[52],"healthy":[53],"26-year-old":[54],"man":[55],"developed":[56],"nausea,":[57],"vomiting,":[58],"palpitations,":[59],"marked":[60,116],"sinus":[61],"tachycardia,":[62],"hypokalemia,":[63],"hypophosphatemia,":[64],"hyperglycemia,":[65],"and":[66,94,122],"lactic":[67],"acidosis":[68],"days":[71],"tablet":[75],"without":[77],"suicidal":[78],"intent.":[79],"His":[80],"serum":[81,123],"concentration":[83,125],"was":[84,89],"84.4":[85],"\u03bcg/mL.":[86],"Emergency":[87],"followed":[90],"by":[91],"rapid":[92],"clinical":[93],"metabolic":[95,148],"improvement.":[96],"Conclusions":[97],"should":[101,126],"be":[102,139],"considered":[103,140],"even":[104],"when":[105],"the":[106],"history":[108],"does":[109],"not":[110],"suggest":[111],"an":[112],"overdose.":[114],"discrepancy":[117],"between":[118],"self-reported":[119],"intake":[121],"prompt":[127],"consideration":[128],"unrecognized":[130],"additional":[131],"exposure":[132],"or":[133,147],"atypical":[134],"pharmacokinetics.":[136],"Hemodialysis":[137],"may":[138],"selected":[142],"patients":[143],"cardiovascular":[146],"manifestations.":[149]},"counts_by_year":[],"updated_date":"2026-11-12T12:28:57.059296","created_date":"2026-11-12T00:00:00"}
