Efficacy of three test doses to detect epidural catheter misplacement
To determine among three currently used epidural test doses which is the most reliable for the detection of accidental intrathecal misplacement of an epidural catheter, and which clinical sign is to be used as a marker. Ninety orthopedic patients were allocated to either the continuous epidural or t...
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| Veröffentlicht in: | Canadian journal of anesthesia 1999, Vol.46 (1), p.34-39 |
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| creator | POBLETE, B VAN GESSEL, E. F GAGGERO, G GAMULIN, Z |
| description | To determine among three currently used epidural test doses which is the most reliable for the detection of accidental intrathecal misplacement of an epidural catheter, and which clinical sign is to be used as a marker.
Ninety orthopedic patients were allocated to either the continuous epidural or the continuous spinal group according to age, < or > 70 yr. They received, in a randomized, double-blind fashion, one of the three solutions: 60 mg lidocaine 2% (L2%), 7.5 mg bupivacaine 0.25% (B0.25%), or 15 mg bupivacaine 0.5% (B0.5%); all three solutions contained epinephrine. Objective variables studied every two minutes over the first ten minutes after injection included: presence of a sensory level > or = T12, presence of a motor block > or = 1, and anesthesia of segments L1, L2, S2 and S5. Subjective variables studied over the same period included paresthesias, sensation of warmth or cold, and muscle weakness.
When using presence of motor block > or = 1 on the Bromage scale, the administration of 60 mg L2% with epinephrine identified all patients having an intrathecal catheter six minutes after injection, whereas none of the patients receiving the same solution through the epidural catheter presented a motor block. This was not the case for the other two solutions studied.
Lidocaine 2% with epinephrine at a dose of 60 mg is the test dose of choice to detect the intrathecal misplacement of an epidural catheter. The presence of motor block > or = 1 is the only reliable clinical sign. |
| doi_str_mv | 10.1007/BF03012511 |
| format | Article |
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Ninety orthopedic patients were allocated to either the continuous epidural or the continuous spinal group according to age, < or > 70 yr. They received, in a randomized, double-blind fashion, one of the three solutions: 60 mg lidocaine 2% (L2%), 7.5 mg bupivacaine 0.25% (B0.25%), or 15 mg bupivacaine 0.5% (B0.5%); all three solutions contained epinephrine. Objective variables studied every two minutes over the first ten minutes after injection included: presence of a sensory level > or = T12, presence of a motor block > or = 1, and anesthesia of segments L1, L2, S2 and S5. Subjective variables studied over the same period included paresthesias, sensation of warmth or cold, and muscle weakness.
When using presence of motor block > or = 1 on the Bromage scale, the administration of 60 mg L2% with epinephrine identified all patients having an intrathecal catheter six minutes after injection, whereas none of the patients receiving the same solution through the epidural catheter presented a motor block. This was not the case for the other two solutions studied.
Lidocaine 2% with epinephrine at a dose of 60 mg is the test dose of choice to detect the intrathecal misplacement of an epidural catheter. The presence of motor block > or = 1 is the only reliable clinical sign.</description><identifier>ISSN: 0832-610X</identifier><identifier>EISSN: 1496-8975</identifier><identifier>DOI: 10.1007/BF03012511</identifier><identifier>PMID: 10078400</identifier><identifier>CODEN: CJOAEP</identifier><language>eng</language><publisher>Toronto, ON: Canadian Anesthesiologists' Society</publisher><subject>Age ; Aged ; Anesthesia ; Anesthesia, Epidural - adverse effects ; Anesthesia, Epidural - instrumentation ; Anesthesia, Spinal - adverse effects ; Anesthesia, Spinal - instrumentation ; Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy ; Anesthesiology ; Anesthetics, Local - administration & dosage ; Biological and medical sciences ; Bupivacaine - administration & dosage ; Catheterization - adverse effects ; Catheterization - instrumentation ; Catheters ; Double-Blind Method ; Drug dosages ; Epidural ; Epinephrine - administration & dosage ; Humans ; Injections, Spinal - adverse effects ; Injections, Spinal - instrumentation ; Lidocaine - administration & dosage ; Local anesthesia. Pain (treatment) ; Medical sciences ; Middle Aged ; Motor Neurons - drug effects ; Muscle Weakness - etiology ; Nerve Block ; Neurons, Afferent - drug effects ; Orthopedic Procedures ; Orthopedics ; Paresthesia - etiology ; Reproducibility of Results ; Sensation - drug effects ; Spinal Cord - drug effects ; Time Factors ; Variables ; Vasodilator Agents - administration & dosage</subject><ispartof>Canadian journal of anesthesia, 1999, Vol.46 (1), p.34-39</ispartof><rights>1999 INIST-CNRS</rights><rights>Canadian Anesthesiologists 1999</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c375t-cb213ae16e2dc0928bd08f5f1abd452dc1aa29059c7d8fdfe5357cf4d6df5e693</citedby><cites>FETCH-LOGICAL-c375t-cb213ae16e2dc0928bd08f5f1abd452dc1aa29059c7d8fdfe5357cf4d6df5e693</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4024,27923,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1714521$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/10078400$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>POBLETE, B</creatorcontrib><creatorcontrib>VAN GESSEL, E. F</creatorcontrib><creatorcontrib>GAGGERO, G</creatorcontrib><creatorcontrib>GAMULIN, Z</creatorcontrib><title>Efficacy of three test doses to detect epidural catheter misplacement</title><title>Canadian journal of anesthesia</title><addtitle>Can J Anaesth</addtitle><description>To determine among three currently used epidural test doses which is the most reliable for the detection of accidental intrathecal misplacement of an epidural catheter, and which clinical sign is to be used as a marker.
Ninety orthopedic patients were allocated to either the continuous epidural or the continuous spinal group according to age, < or > 70 yr. They received, in a randomized, double-blind fashion, one of the three solutions: 60 mg lidocaine 2% (L2%), 7.5 mg bupivacaine 0.25% (B0.25%), or 15 mg bupivacaine 0.5% (B0.5%); all three solutions contained epinephrine. Objective variables studied every two minutes over the first ten minutes after injection included: presence of a sensory level > or = T12, presence of a motor block > or = 1, and anesthesia of segments L1, L2, S2 and S5. Subjective variables studied over the same period included paresthesias, sensation of warmth or cold, and muscle weakness.
When using presence of motor block > or = 1 on the Bromage scale, the administration of 60 mg L2% with epinephrine identified all patients having an intrathecal catheter six minutes after injection, whereas none of the patients receiving the same solution through the epidural catheter presented a motor block. This was not the case for the other two solutions studied.
Lidocaine 2% with epinephrine at a dose of 60 mg is the test dose of choice to detect the intrathecal misplacement of an epidural catheter. The presence of motor block > or = 1 is the only reliable clinical sign.</description><subject>Age</subject><subject>Aged</subject><subject>Anesthesia</subject><subject>Anesthesia, Epidural - adverse effects</subject><subject>Anesthesia, Epidural - instrumentation</subject><subject>Anesthesia, Spinal - adverse effects</subject><subject>Anesthesia, Spinal - instrumentation</subject><subject>Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy</subject><subject>Anesthesiology</subject><subject>Anesthetics, Local - administration & dosage</subject><subject>Biological and medical sciences</subject><subject>Bupivacaine - administration & dosage</subject><subject>Catheterization - adverse effects</subject><subject>Catheterization - instrumentation</subject><subject>Catheters</subject><subject>Double-Blind Method</subject><subject>Drug dosages</subject><subject>Epidural</subject><subject>Epinephrine - administration & dosage</subject><subject>Humans</subject><subject>Injections, Spinal - adverse effects</subject><subject>Injections, Spinal - instrumentation</subject><subject>Lidocaine - administration & dosage</subject><subject>Local anesthesia. Pain (treatment)</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Motor Neurons - drug effects</subject><subject>Muscle Weakness - etiology</subject><subject>Nerve Block</subject><subject>Neurons, Afferent - drug effects</subject><subject>Orthopedic Procedures</subject><subject>Orthopedics</subject><subject>Paresthesia - etiology</subject><subject>Reproducibility of Results</subject><subject>Sensation - drug effects</subject><subject>Spinal Cord - drug effects</subject><subject>Time Factors</subject><subject>Variables</subject><subject>Vasodilator Agents - administration & dosage</subject><issn>0832-610X</issn><issn>1496-8975</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpNkEFLw0AQhRdRbK1e_AGyiCchOpNkk81RS6tCwYuCt7DZnaUpSRN3N4f-e1NaqKeBxzdv3jzGbhGeECB_fl1CAhgLxDM2xbTIIlnk4pxNQSZxlCH8TNiV9xsAkJmQl2yyX5MpwJQtFtbWWukd7ywPa0fEA_nATefJ89BxQ4F04NTXZnCq4VqF9Sg53ta-b5Smlrbhml1Y1Xi6Oc4Z-14uvubv0erz7WP-sop0kosQ6SrGRBFmFBsNRSwrA9IKi6oyqRg1VCouQBQ6N9IaSyIRubapyYwVlBXJjN0ffHvX_Q5jznLTDW47niyLGNMM03wPPR4g7TrvHdmyd3Wr3K5EKPefl6fCRvju6DhULZl_6KGhEXg4Aspr1Vintrr2Jy7HMTkmf1g9cg4</recordid><startdate>1999</startdate><enddate>1999</enddate><creator>POBLETE, B</creator><creator>VAN GESSEL, E. F</creator><creator>GAGGERO, G</creator><creator>GAMULIN, Z</creator><general>Canadian Anesthesiologists' Society</general><general>Springer Nature B.V</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7RV</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8FQ</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>K9.</scope><scope>KB0</scope><scope>M0S</scope><scope>M1P</scope><scope>NAPCQ</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope></search><sort><creationdate>1999</creationdate><title>Efficacy of three test doses to detect epidural catheter misplacement</title><author>POBLETE, B ; VAN GESSEL, E. F ; GAGGERO, G ; GAMULIN, Z</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c375t-cb213ae16e2dc0928bd08f5f1abd452dc1aa29059c7d8fdfe5357cf4d6df5e693</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Age</topic><topic>Aged</topic><topic>Anesthesia</topic><topic>Anesthesia, Epidural - adverse effects</topic><topic>Anesthesia, Epidural - instrumentation</topic><topic>Anesthesia, Spinal - adverse effects</topic><topic>Anesthesia, Spinal - instrumentation</topic><topic>Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy</topic><topic>Anesthesiology</topic><topic>Anesthetics, Local - administration & dosage</topic><topic>Biological and medical sciences</topic><topic>Bupivacaine - administration & dosage</topic><topic>Catheterization - adverse effects</topic><topic>Catheterization - instrumentation</topic><topic>Catheters</topic><topic>Double-Blind Method</topic><topic>Drug dosages</topic><topic>Epidural</topic><topic>Epinephrine - administration & dosage</topic><topic>Humans</topic><topic>Injections, Spinal - adverse effects</topic><topic>Injections, Spinal - instrumentation</topic><topic>Lidocaine - administration & dosage</topic><topic>Local anesthesia. Pain (treatment)</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Motor Neurons - drug effects</topic><topic>Muscle Weakness - etiology</topic><topic>Nerve Block</topic><topic>Neurons, Afferent - drug effects</topic><topic>Orthopedic Procedures</topic><topic>Orthopedics</topic><topic>Paresthesia - etiology</topic><topic>Reproducibility of Results</topic><topic>Sensation - drug effects</topic><topic>Spinal Cord - drug effects</topic><topic>Time Factors</topic><topic>Variables</topic><topic>Vasodilator Agents - administration & dosage</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>POBLETE, B</creatorcontrib><creatorcontrib>VAN GESSEL, E. 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F</au><au>GAGGERO, G</au><au>GAMULIN, Z</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Efficacy of three test doses to detect epidural catheter misplacement</atitle><jtitle>Canadian journal of anesthesia</jtitle><addtitle>Can J Anaesth</addtitle><date>1999</date><risdate>1999</risdate><volume>46</volume><issue>1</issue><spage>34</spage><epage>39</epage><pages>34-39</pages><issn>0832-610X</issn><eissn>1496-8975</eissn><coden>CJOAEP</coden><abstract>To determine among three currently used epidural test doses which is the most reliable for the detection of accidental intrathecal misplacement of an epidural catheter, and which clinical sign is to be used as a marker.
Ninety orthopedic patients were allocated to either the continuous epidural or the continuous spinal group according to age, < or > 70 yr. They received, in a randomized, double-blind fashion, one of the three solutions: 60 mg lidocaine 2% (L2%), 7.5 mg bupivacaine 0.25% (B0.25%), or 15 mg bupivacaine 0.5% (B0.5%); all three solutions contained epinephrine. Objective variables studied every two minutes over the first ten minutes after injection included: presence of a sensory level > or = T12, presence of a motor block > or = 1, and anesthesia of segments L1, L2, S2 and S5. Subjective variables studied over the same period included paresthesias, sensation of warmth or cold, and muscle weakness.
When using presence of motor block > or = 1 on the Bromage scale, the administration of 60 mg L2% with epinephrine identified all patients having an intrathecal catheter six minutes after injection, whereas none of the patients receiving the same solution through the epidural catheter presented a motor block. This was not the case for the other two solutions studied.
Lidocaine 2% with epinephrine at a dose of 60 mg is the test dose of choice to detect the intrathecal misplacement of an epidural catheter. The presence of motor block > or = 1 is the only reliable clinical sign.</abstract><cop>Toronto, ON</cop><pub>Canadian Anesthesiologists' Society</pub><pmid>10078400</pmid><doi>10.1007/BF03012511</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Canadian journal of anesthesia, 1999, Vol.46 (1), p.34-39 |
| issn | 0832-610X 1496-8975 |
| language | eng |
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| source | MEDLINE; SpringerLink Journals - AutoHoldings |
| subjects | Age Aged Anesthesia Anesthesia, Epidural - adverse effects Anesthesia, Epidural - instrumentation Anesthesia, Spinal - adverse effects Anesthesia, Spinal - instrumentation Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy Anesthesiology Anesthetics, Local - administration & dosage Biological and medical sciences Bupivacaine - administration & dosage Catheterization - adverse effects Catheterization - instrumentation Catheters Double-Blind Method Drug dosages Epidural Epinephrine - administration & dosage Humans Injections, Spinal - adverse effects Injections, Spinal - instrumentation Lidocaine - administration & dosage Local anesthesia. Pain (treatment) Medical sciences Middle Aged Motor Neurons - drug effects Muscle Weakness - etiology Nerve Block Neurons, Afferent - drug effects Orthopedic Procedures Orthopedics Paresthesia - etiology Reproducibility of Results Sensation - drug effects Spinal Cord - drug effects Time Factors Variables Vasodilator Agents - administration & dosage |
| title | Efficacy of three test doses to detect epidural catheter misplacement |
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