| pubmed-article:8413871 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:8413871 | lifeskim:mentions | umls-concept:C0002932 | lld:lifeskim |
| pubmed-article:8413871 | lifeskim:mentions | umls-concept:C0242904 | lld:lifeskim |
| pubmed-article:8413871 | lifeskim:mentions | umls-concept:C1280500 | lld:lifeskim |
| pubmed-article:8413871 | lifeskim:mentions | umls-concept:C0282617 | lld:lifeskim |
| pubmed-article:8413871 | lifeskim:mentions | umls-concept:C1948023 | lld:lifeskim |
| pubmed-article:8413871 | lifeskim:mentions | umls-concept:C0024488 | lld:lifeskim |
| pubmed-article:8413871 | lifeskim:mentions | umls-concept:C0563532 | lld:lifeskim |
| pubmed-article:8413871 | pubmed:issue | 3 | lld:pubmed |
| pubmed-article:8413871 | pubmed:dateCreated | 1993-11-19 | lld:pubmed |
| pubmed-article:8413871 | pubmed:abstractText | The influence of four intravenous anesthetic agents on motor evoked potentials (MEPs) elicited by transcranial magnetic stimulation (magnetic MEP) was examined in 77 subjects. The patients were anesthetized by a continuous intravenous infusion of one of the following anesthetic agents: propofol, etomidate, methohexital, or thiopental. Comparable anesthetic effects among the four agents were achieved by computing an infusion scheme for each drug. Infusion rates were increased slowly in a step-wise manner in order to reach minimal anesthetic blood concentrations within 15 minutes. During anesthesia induction, magnetic MEPs were recorded every 2 minutes from the abductor pollicis brevis muscle. The patient's level of consciousness was assessed and documented in the alternating minutes. A dose-related reduction of the MEP amplitudes was seen in all drug groups, while the latencies remained constant. Reduction of the amplitude was occasionally so prominent that the MEP was completely abolished before adequate anesthesia was achieved. MEPs were obtainable at the end of anesthesia induction in 14% of the propofol group (n = 22), 57% of the etomidate group (n = 21), 53% of the methohexital group (n = 19), and 20% of the thiopental group (n = 15). Propofol and thiopental showed significantly stronger suppression of MEP, when compared to etomidate (both P < 0.01) and to methohexital (P = 0.01 and 0.05, respectively). Etomidate was the least detrimental anesthetic agent for intraoperative monitoring of magnetic MEP. Nonetheless, the low incidence of 57% of preserved MEP in subjects without motor deficits indicated the inadequacy of this technique for intraoperative monitoring. More effective transcranial stimulation techniques are required for successful intraoperative MEP monitoring. | lld:pubmed |
| pubmed-article:8413871 | pubmed:language | eng | lld:pubmed |
| pubmed-article:8413871 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:8413871 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:8413871 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
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| pubmed-article:8413871 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:8413871 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:8413871 | pubmed:month | Sep | lld:pubmed |
| pubmed-article:8413871 | pubmed:issn | 0148-396X | lld:pubmed |
| pubmed-article:8413871 | pubmed:author | pubmed-author:TaniguchiMM | lld:pubmed |
| pubmed-article:8413871 | pubmed:author | pubmed-author:SchrammJJ | lld:pubmed |
| pubmed-article:8413871 | pubmed:author | pubmed-author:BremerFF | lld:pubmed |
| pubmed-article:8413871 | pubmed:author | pubmed-author:NadstawekJJ | lld:pubmed |
| pubmed-article:8413871 | pubmed:author | pubmed-author:LangenbachUU | lld:pubmed |
| pubmed-article:8413871 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:8413871 | pubmed:volume | 33 | lld:pubmed |
| pubmed-article:8413871 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:8413871 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:8413871 | pubmed:pagination | 407-15; discussion 415 | lld:pubmed |
| pubmed-article:8413871 | pubmed:dateRevised | 2011-11-17 | lld:pubmed |
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| pubmed-article:8413871 | pubmed:meshHeading | pubmed-meshheading:8413871-... | lld:pubmed |
| pubmed-article:8413871 | pubmed:year | 1993 | lld:pubmed |
| pubmed-article:8413871 | pubmed:articleTitle | Effects of four intravenous anesthetic agents on motor evoked potentials elicited by magnetic transcranial stimulation. | lld:pubmed |
| pubmed-article:8413871 | pubmed:affiliation | Department of Neurological Surgery, University of Bonn, Germany. | lld:pubmed |
| pubmed-article:8413871 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:8413871 | pubmed:publicationType | Comparative Study | lld:pubmed |
| pubmed-article:8413871 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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