{"doi":"10.1007/bf03010711","title":"Placental transfer of lidocaine hydrochloride after prolonged continuous maternal intravenous administration","abstract":null,"journal":"Canadian Journal of Anaesthesia","year":1995,"id":673272,"datarank":0.3453877639491069,"base_score":2.302585092994046,"endowment":2.302585092994046,"self_citation_contribution":0.3453877639491069,"citation_network_contribution":0.0,"self_endowment_contribution":0.3453877639491069,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":9,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1759075,"name":"Satoshi Sato","orcid":null,"position":1,"is_corresponding":false},{"id":1759076,"name":"Naohiro Tezuka","orcid":null,"position":2,"is_corresponding":false},{"id":1759077,"name":"Hiromi Komiya","orcid":null,"position":3,"is_corresponding":false},{"id":1759078,"name":"Tetsuro Chimura","orcid":null,"position":4,"is_corresponding":false},{"id":1759079,"name":"Masahiko Hiroi","orcid":null,"position":5,"is_corresponding":false},{"id":1759074,"name":"Michio Banzai","orcid":null,"position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"resolved":true,"title":"Placental transfer of lidocaine hydrochloride after prolonged continuous maternal intravenous administration","abstract":"We treated a patient with arrhythmia during pregnancy with prolonged intravenous administration of lidocaine hydrochloride. This was a case of twin-to-twin transfusion syndrome and the arrhythmia was caused by ritodrine therapy. In total, 14.1 g lidocaine (50 mg.hr-1 for 282 hr) were used. Since there are no descriptions of human placental transfer of lidocaine after such a prolonged continuous intravenous administration, we measured lidocaine concentrations in maternal and fetal serum, and in the amniotic fluid (AF) at delivery. Fetal serum lidocaine concentrations (donor: 0.83 microgram.ml-1; recipient: 0.82 microgram.ml-1) were lower than in the maternal serum (1.6 micrograms.ml-1), while the AF lidocaine concentrations (donor: 1.05 micrograms.ml-1; recipient: 1.04 micrograms.ml-1) were higher than those of the fetal sera. The fetal/maternal concentration ratios of lidocaine were 0.52 for the donor and 0.51 for the recipient, which were similar to those described previously after administration of lidocaine in labour.","is_dataset_classified":null,"base_score":2.302585092994046,"endowment":2.302585092994046,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"7788831","pmcid":null,"openalex_id":"https://openalex.org/W2073069344","authors":[],"funders":[],"total_grants":0,"fwci":0.0,"citation_percentile":0.15799359,"influential_citations":0,"citation_trend":[{"year":2014,"count":1},{"year":2015,"count":1},{"year":2016,"count":1}],"oa_status":"bronze","license":"http://www.springer.com/tdm","oa_locations":[{"url":"https://link.springer.com/content/pdf/10.1007/BF03010711.pdf","host_type":"journal"},{"url":"https://link.springer.com/content/pdf/10.1007/BF03010711.pdf","host_type":"publisher"},{"url":"http://link.springer.com/content/pdf/10.1007/BF03010711.pdf","host_type":"publisher"},{"url":"http://link.springer.com/article/10.1007/BF03010711/fulltext.html","host_type":"publisher"},{"url":"http://link.springer.com/content/pdf/10.1007/BF03010711","host_type":"publisher"},{"url":"https://doi.org/10.1007/bf03010711","host_type":"journal"},{"url":"https://pubmed.ncbi.nlm.nih.gov/7788831","host_type":"repository"}],"fields_of_study":["Cardiovascular Issues in Pregnancy","Cardiac Arrhythmias and Treatments","Pregnancy and Medication Impact","Adult","Amniotic Fluid","Arrhythmias, Cardiac","Female","Fetal Blood","Fetofetal Transfusion","Humans","Infusions, Intravenous","Lidocaine","Maternal-Fetal Exchange","Obstetric Labor, Premature","Placenta","Pregnancy","Pregnancy Complications, Cardiovascular","Pregnancy, Multiple","Ritodrine","Twins"],"mesh_terms":["Adult","Amniotic Fluid","Arrhythmias, Cardiac","Female","Fetal Blood","Fetofetal Transfusion","Humans","Infusions, Intravenous","Obstetric Labor, Premature","Lidocaine","Maternal-Fetal Exchange","Placenta","Pregnancy","Pregnancy Complications, Cardiovascular","Pregnancy, Multiple","Ritodrine","Twins"],"keywords":["Lidocaine","Lidocaine Hydrochloride","Medicine","Microgram","Anesthesia","Fetus","Amniotic fluid","Ritodrine","Pregnancy","Gestation","Chemistry","Biology"],"sdg_mappings":[],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-08-16T12:54:14.716785Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}