Abstract:
BACKGROUND:Although local anesthetics (LAs) are generally accepted as being safe, incidental neuronal damage has been reported for all LAs in humans. Therefore, in this study, we compared the dose corresponding to 50% cell lethality (LD50) of articaine, lidocaine, mepivacaine, bupivacaine, prilocaine, and ropivacaine in human neuroblastoma cells. METHODS:Undifferentiated SH-SY5Y cells were exposed for 20 minutes to different concentrations of each LA. Metabolic activity of viable cells was assessed by a cell viability test with a tetrazolium dye (WST-1) followed by optical density quantification. LD50 was determined by extrapolation of curve response. RESULTS:As expected, all LAs induced cell death in a concentration-dependent manner. The bupivacaine, lidocaine, prilocaine, mepivacaine, articaine, and ropivacaine LD50 were 0.95 ± 0.08, 3.35 ± 0.33, 4.32 ± 0.39, 4.84 ± 1.28, 8.98 ± 2.07, and 13.43 ± 0.61 mM, respectively, after 20 minutes of incubation on SH-SY5Y cells. Ropivacaine LD50 was significantly different from the bupivacaine, lidocaine, mepivacaine, and prilocaine LD50 (all P ≤ 0.009). No significant difference was obtained between ropivacaine and articaine LD50 and between prilocaine, lidocaine, and mepivacaine LD50. Articaine LD50 was significantly different from lidocaine LD50 (P = 0.03). Bupivacaine LD50 was significantly lower compared with all LAs (all P ≤ 0.003). CONCLUSIONS:LA neurotoxicity was tested in a validated in vitro model SH-SY5Y, a human neuroblastoma cell line. Three groups of LAs were identified in terms of toxicity: (1) the less (ropivacaine, articaine); (2) medium (mepivacaine, prilocaine, lidocaine); and (3) the high (bupivacaine). Among dental anesthetics, articaine is the least neurotoxic in SH-SY5Y cells.
journal_name
Anesth Analgjournal_title
Anesthesia and analgesiaauthors
Malet A,Faure MO,Deletage N,Pereira B,Haas J,Lambert Gdoi
10.1213/ANE.0000000000000562subject
Has Abstractpub_date
2015-03-01 00:00:00pages
589-96issue
3eissn
0003-2999issn
1526-7598journal_volume
120pub_type
杂志文章abstract:BACKGROUND:Blood hemoglobin can be monitored continuously and noninvasively with a noninvasive spectrophotometric sensor (Masimo SpHb). The perfusion index (PI) of the finger is directly related to the clinical accuracy of SpHb. We evaluated those variables that influence PI without the influences of surgery and anesth...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章,随机对照试验
doi:10.1213/ANE.0000000000000144
更新日期:2014-04-01 00:00:00
abstract::We studied the feasibility of recording motor evoked responses to transcranial electrical stimulation (tce-MERs) during partial neuromuscular blockade (NMB). In 11 patients, compound muscle action potentials were recorded from the tibialis anterior muscle in response to transcranial electrical stimulation during vario...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/00000539-199210000-00021
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journal_title:Anesthesia and analgesia
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journal_title:Anesthesia and analgesia
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doi:10.1097/00000539-199906000-00015
更新日期:1999-06-01 00:00:00
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journal_title:Anesthesia and analgesia
pub_type: 临床试验,杂志文章,随机对照试验
doi:
更新日期:1985-10-01 00:00:00
abstract::Spontaneous or evoked electrical brain activity is increasingly used to monitor general anesthesia. Previous studies investigated the variables from spontaneous electroencephalogram (EEG), acoustic (AEP), or somatosensory evoked potentials (SSEP). But, by monitoring them separately, the available information from simu...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章,多中心研究
doi:10.1213/01.ane.0000237231.73261.92
更新日期:2006-10-01 00:00:00
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journal_title:Anesthesia and analgesia
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journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/ANE.0000000000004942
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journal_title:Anesthesia and analgesia
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journal_title:Anesthesia and analgesia
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pub_type: 杂志文章
doi:10.1213/ANE.0000000000001778
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journal_title:Anesthesia and analgesia
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更新日期:1986-02-01 00:00:00
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journal_title:Anesthesia and analgesia
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journal_title:Anesthesia and analgesia
pub_type: 指南,杂志文章,评审
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journal_title:Anesthesia and analgesia
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journal_title:Anesthesia and analgesia
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:Anesthesia and analgesia
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doi:10.1213/ANE.0b013e318276cf72
更新日期:2013-03-01 00:00:00
abstract::The dose-dependent effects of nitrous oxide on thymidine and methionine syntheses were investigated in pregnant rats. Female Sprague-Dawley rats were exposed on day 9 of gestation to 0.75%, 7.5%, or 75% nitrous oxide for 24 h. Immediately and 72 h after exposure, a deoxyuridine-suppression test was performed on matern...
journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:
更新日期:1983-08-01 00:00:00
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journal_title:Anesthesia and analgesia
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1097/00000539-200205000-00019
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journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1097/00000539-199709000-00035
更新日期:1997-09-01 00:00:00
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journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/01.ane.0000111103.86567.f6
更新日期:2004-05-01 00:00:00
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journal_title:Anesthesia and analgesia
pub_type: 杂志文章
doi:10.1213/ANE.0000000000002727
更新日期:2018-07-01 00:00:00