{"id":"https://openalex.org/W2931395665","doi":"https://doi.org/10.1111/tid.13086","title":"Impact of immunoglobulin G2 subclass level on late\u2010onset bacterial infection after allogeneic hematopoietic stem cell transplantation","display_name":"Impact of immunoglobulin G2 subclass level on late\u2010onset bacterial infection after allogeneic hematopoietic stem cell transplantation","publication_year":2019,"publication_date":"2019-03-31","ids":{"openalex":"https://openalex.org/W2931395665","doi":"https://doi.org/10.1111/tid.13086","mag":"2931395665","pmid":"https://pubmed.ncbi.nlm.nih.gov/30929295"},"language":"en","primary_location":{"id":"doi:10.1111/tid.13086","doi":"https://doi.org/10.1111/tid.13086","is_oa":false,"landing_page_url":"https://doi.org/10.1111/tid.13086","pdf_url":null,"source":{"id":"https://openalex.org/S14534568","display_name":"Transplant Infectious Disease","issn_l":"1398-2273","issn":["1398-2273","1399-3062"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Transplant Infectious Disease","raw_type":"journal-article"},"volume":null,"type":"article","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/A5003368425","display_name":"Rie Yamazaki","orcid":"https://orcid.org/0000-0001-7489-4180","observed_orcids":["https://orcid.org/0000-0001-7489-4180"]},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Rie Yamazaki","raw_affiliation_strings":["Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan"],"raw_orcid":"https://orcid.org/0000-0001-7489-4180","affiliations":[{"raw_affiliation_string":"Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan","institution_ids":["https://openalex.org/I203951103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090599179","display_name":"Jun Kato","orcid":"https://orcid.org/0000-0003-1869-5480","observed_orcids":["https://orcid.org/0000-0003-1869-5480"]},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Jun Kato","raw_affiliation_strings":["Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan","institution_ids":["https://openalex.org/I203951103"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Yuya Koda","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yuya Koda","raw_affiliation_strings":["Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan","institution_ids":["https://openalex.org/I203951103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025009369","display_name":"Masatoshi Sakurai","orcid":"https://orcid.org/0000-0002-6687-4136","observed_orcids":["https://orcid.org/0000-0002-6687-4136"]},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masatoshi Sakurai","raw_affiliation_strings":["Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan","institution_ids":["https://openalex.org/I203951103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111536272","display_name":"Keiichi Tozawa","orcid":"https://orcid.org/0000-0003-1096-982X","observed_orcids":["https://orcid.org/0000-0003-1096-982X"]},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Keiichi Tozawa","raw_affiliation_strings":["Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan","institution_ids":["https://openalex.org/I203951103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112155311","display_name":"Mikio Okayama","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Mikio Okayama","raw_affiliation_strings":["Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan","institution_ids":["https://openalex.org/I203951103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075924201","display_name":"Hitomi Nakayama","orcid":"https://orcid.org/0000-0002-6474-1209","observed_orcids":["https://orcid.org/0000-0002-6474-1209","https://orcid.org/0009-0001-5340-6923"]},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hitomi Nakayama","raw_affiliation_strings":["Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan","institution_ids":["https://openalex.org/I203951103"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Shintaro Watanuki","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shintaro Watanuki","raw_affiliation_strings":["Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan","institution_ids":["https://openalex.org/I203951103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006067564","display_name":"Taku Kikuchi","orcid":"https://orcid.org/0000-0002-3210-7756","observed_orcids":["https://orcid.org/0000-0002-3210-7756"]},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Taku Kikuchi","raw_affiliation_strings":["Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan","institution_ids":["https://openalex.org/I203951103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034238510","display_name":"Naoki Hasegawa","orcid":"https://orcid.org/0000-0003-0717-7450","observed_orcids":["https://orcid.org/0000-0003-0717-7450"]},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Naoki Hasegawa","raw_affiliation_strings":["Center for Infectious Diseases and Infection Control, Keio University School of Medicine, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Infectious Diseases and Infection Control, Keio University School of Medicine, Tokyo, Japan","institution_ids":["https://openalex.org/I203951103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044647383","display_name":"Shinichiro Okamoto","orcid":"https://orcid.org/0000-0002-6257-4152","observed_orcids":["https://orcid.org/0000-0002-6257-4152"]},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shinichiro Okamoto","raw_affiliation_strings":["Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan","institution_ids":["https://openalex.org/I203951103"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5051983260","display_name":"Takehiko Mori","orcid":"https://orcid.org/0000-0002-8176-4760","observed_orcids":["https://orcid.org/0000-0002-8176-4760"]},"institutions":[{"id":"https://openalex.org/I203951103","display_name":"Keio University","ror":"https://ror.org/02kn6nx58","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Takehiko Mori","raw_affiliation_strings":["Center for Infectious Diseases and Infection Control, Keio University School of Medicine, Tokyo, Japan","Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan"],"raw_orcid":"https://orcid.org/0000-0002-8176-4760","affiliations":[{"raw_affiliation_string":"Center for Infectious Diseases and Infection Control, Keio University School of Medicine, Tokyo, Japan","institution_ids":["https://openalex.org/I203951103"]},{"raw_affiliation_string":"Division of Hematology, Department of Medicine, Keio University School of Medicine, Tokyo, Japan","institution_ids":["https://openalex.org/I203951103"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5051983260"],"corresponding_institution_ids":["https://openalex.org/I203951103"],"apc_list":{"value":2900,"currency":"USD","value_usd":2900},"apc_paid":null,"fwci":0.2991,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.51525186,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"21","issue":"3","first_page":"e13086","last_page":"e13086"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11725","display_name":"Immunodeficiency and Autoimmune Disorders","score":0.9951000213623047,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T11725","display_name":"Immunodeficiency and Autoimmune Disorders","score":0.9951000213623047,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10345","display_name":"Hematopoietic Stem Cell Transplantation","score":0.002300000051036477,"subfield":{"id":"https://openalex.org/subfields/2720","display_name":"Hematology"},"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/T12172","display_name":"Neutropenia and Cancer Infections","score":0.002300000051036477,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"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/igg2","display_name":"IgG2","score":0.8569999933242798},{"id":"https://openalex.org/keywords/bacterial-pneumonia","display_name":"bacterial pneumonia","score":0.9620000123977661},{"id":"https://openalex.org/keywords/allogeneic-hematopoietic-stem-cell-transplantation","display_name":"allogeneic hematopoietic stem cell transplantation","score":0.9990000128746033},{"id":"https://openalex.org/keywords/cord-blood-transplantation","display_name":"cord blood transplantation","score":0.7519999742507935},{"id":"https://openalex.org/keywords/rituximab","display_name":"rituximab","score":0.9380000233650208}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8409169912338257},{"id":"https://openalex.org/C2777408962","wikidata":"https://www.wikidata.org/wiki/Q1128050","display_name":"Hematopoietic stem cell transplantation","level":3,"score":0.7981992363929749},{"id":"https://openalex.org/C2776194381","wikidata":"https://www.wikidata.org/wiki/Q3965271","display_name":"Subclass","level":3,"score":0.7438234686851501},{"id":"https://openalex.org/C2777914695","wikidata":"https://www.wikidata.org/wiki/Q12192","display_name":"Pneumonia","level":2,"score":0.700281023979187},{"id":"https://openalex.org/C2780653079","wikidata":"https://www.wikidata.org/wiki/Q412323","display_name":"Rituximab","level":3,"score":0.6498366594314575},{"id":"https://openalex.org/C203014093","wikidata":"https://www.wikidata.org/wiki/Q101929","display_name":"Immunology","level":1,"score":0.6309101581573486},{"id":"https://openalex.org/C2911091166","wikidata":"https://www.wikidata.org/wiki/Q106419912","display_name":"Transplantation","level":2,"score":0.5589171648025513},{"id":"https://openalex.org/C28328180","wikidata":"https://www.wikidata.org/wiki/Q48196","display_name":"Stem cell","level":2,"score":0.5126003623008728},{"id":"https://openalex.org/C2780914630","wikidata":"https://www.wikidata.org/wiki/Q914952","display_name":"Cord blood","level":2,"score":0.5037826895713806},{"id":"https://openalex.org/C159654299","wikidata":"https://www.wikidata.org/wiki/Q79460","display_name":"Antibody","level":2,"score":0.46408388018608093},{"id":"https://openalex.org/C109159458","wikidata":"https://www.wikidata.org/wiki/Q919283","display_name":"Haematopoiesis","level":3,"score":0.45737457275390625},{"id":"https://openalex.org/C2776345407","wikidata":"https://www.wikidata.org/wiki/Q3776920","display_name":"Bacterial pneumonia","level":3,"score":0.45218202471733093},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.35957783460617065},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.11299577355384827},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000069283","descriptor_name":"Rituximab","qualifier_ui":"Q000008","qualifier_name":"administration & dosage","is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000907","descriptor_name":"Antibodies, Bacterial","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":true},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006086","descriptor_name":"Graft vs Host Disease","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":"D007074","descriptor_name":"Immunoglobulin G","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":true},{"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":"D012189","descriptor_name":"Retrospective Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014184","descriptor_name":"Transplantation, Homologous","qualifier_ui":"Q000009","qualifier_name":"adverse effects","is_major_topic":false},{"descriptor_ui":"D017099","descriptor_name":"IgG Deficiency","qualifier_ui":"Q000150","qualifier_name":"complications","is_major_topic":false},{"descriptor_ui":"D018380","descriptor_name":"Hematopoietic Stem Cell Transplantation","qualifier_ui":"Q000009","qualifier_name":"adverse effects","is_major_topic":true},{"descriptor_ui":"D018410","descriptor_name":"Pneumonia, Bacterial","qualifier_ui":"Q000276","qualifier_name":"immunology","is_major_topic":true},{"descriptor_ui":"D055815","descriptor_name":"Young Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1111/tid.13086","doi":"https://doi.org/10.1111/tid.13086","is_oa":false,"landing_page_url":"https://doi.org/10.1111/tid.13086","pdf_url":null,"source":{"id":"https://openalex.org/S14534568","display_name":"Transplant Infectious Disease","issn_l":"1398-2273","issn":["1398-2273","1399-3062"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Transplant Infectious Disease","raw_type":"journal-article"},{"id":"pmid:30929295","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/30929295","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":"Transplant infectious disease : an official journal of the Transplantation Society","raw_type":"Journal 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":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W94635446","https://openalex.org/W1976954882","https://openalex.org/W1982620977","https://openalex.org/W1984076503","https://openalex.org/W2004831687","https://openalex.org/W2028550260","https://openalex.org/W2030761601","https://openalex.org/W2051756219","https://openalex.org/W2062418427","https://openalex.org/W2065629759","https://openalex.org/W2077537406","https://openalex.org/W2089818775","https://openalex.org/W2105505343","https://openalex.org/W2115196370","https://openalex.org/W2119962983","https://openalex.org/W2121960517","https://openalex.org/W2124370421","https://openalex.org/W2129646517","https://openalex.org/W2194721788","https://openalex.org/W2395332897","https://openalex.org/W2612860883","https://openalex.org/W2788260294","https://openalex.org/W2792587290","https://openalex.org/W3022154759"],"related_works":["https://openalex.org/W2792587290","https://openalex.org/W311884238","https://openalex.org/W3164291677","https://openalex.org/W2395332897","https://openalex.org/W4414799503","https://openalex.org/W7142754127","https://openalex.org/W4403645598","https://openalex.org/W3181990187","https://openalex.org/W1984076503","https://openalex.org/W4380633932"],"abstract_inverted_index":{"BACKGROUND:":[0],"Immunoglobulin":[1],"(Ig)":[2],"G2":[3],"subclass":[4,50],"deficiency":[5],"is":[6,21],"known":[7],"to":[8,142],"be":[9,152],"associated":[10,121],"with":[11,87,122],"recurrent":[12],"bacterial":[13,53,76,144],"respiratory":[14],"infections":[15],"caused":[16],"by":[17],"capsulated":[18],"bacteria":[19],"and":[20,52,111,128],"found":[22],"mostly":[23],"in":[24,55,85,92,156],"pediatric":[25],"patients.":[26],"However,":[27],"its":[28],"impact":[29],"after":[30,65,146],"allogeneic":[31,66,147],"hematopoietic":[32],"stem":[33,116],"cell":[34,117],"transplantation":[35,161],"(HSCT)":[36],"has":[37],"not":[38],"been":[39],"fully":[40],"assessed.":[41],"METHODS:":[42],"We":[43],"retrospectively":[44],"evaluated":[45],"the":[46,70],"relationship":[47],"between":[48],"IgG2":[49,80,127,137,149],"levels":[51,124,138,150],"pneumonia":[54,145],"74":[56],"adult":[57],"patients":[58,74,86,157],"who":[59],"survived":[60],"longer":[61],"than":[62,91],"2":[63],"years":[64],"HSCT.":[67,148],"RESULTS:":[68],"During":[69],"evaluation":[71],"period,":[72],"nine":[73],"developed":[75],"pneumonia.":[77],"The":[78],"median":[79],"level":[81],"was":[82],"significantly":[83,120],"lower":[84],"an":[88],"infectious":[89],"episode":[90],"those":[93],"without":[94],"(143":[95],"mg/dL":[96],"vs":[97],"287":[98],"mg/dL;":[99],"P":[100],"<":[101,132],"0.01).":[102],"In":[103],"multivariate":[104],"analysis,":[105],"a":[106,115],"history":[107],"of":[108,125],"rituximab":[109,163],"therapy":[110],"cord":[112,159],"blood":[113,160],"as":[114],"source":[118],"were":[119],"decreased":[123],"both":[126],"IgG2/IgG":[129],"ratios":[130],"(P":[131],"0.05).":[133],"CONCLUSIONS:":[134],"Suboptimal":[135],"serum":[136],"could":[139],"increase":[140],"susceptibility":[141],"late-onset":[143],"should":[151],"considered":[153],"carefully,":[154],"especially":[155],"receiving":[158],"and/or":[162],"treatment.":[164]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":3}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2019-04-11T00:00:00"}