COMPARATIVE STUDY OF THE EFFECTS OF AIR OR SALINE TO IDENTIFY THE EXTRADURAL SPACE
Fifty women in labour were allocated randomly to receive either air or saline to assist in the identification of the extradural space by the loss of resistance technique. A study volume of 4 ml of air or saline was used before 0.5% bupivacaine 8 ml and the spread of analgesia was followed for 30 min...
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| Veröffentlicht in: | British journal of anaesthesia : BJA 1991-02, Vol.66 (2), p.224-227 |
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| container_title | British journal of anaesthesia : BJA |
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| creator | VALENTINE, S.J. JARVIS, A.P. SHUTT, L.E. |
| description | Fifty women in labour were allocated randomly to receive either air or saline to assist in the identification of the extradural space by the loss of resistance technique. A study volume of 4 ml of air or saline was used before 0.5% bupivacaine 8 ml and the spread of analgesia was followed for 30 min. The first segment blocked, time of onset, number of blocked segments and height of block were comparable in the two groups. At 30 min, there were eight patients with an unblocked segment in the air group, compared with two in the saline group (P < 0.01). All unblocked segments were blocked subsequently by further doses of bupivacaine. We conclude that air is more likely than saline to produce unblocked segments in the initiation of extradural analgesia in labour. |
| doi_str_mv | 10.1093/bja/66.2.224 |
| format | Article |
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A study volume of 4 ml of air or saline was used before 0.5% bupivacaine 8 ml and the spread of analgesia was followed for 30 min. The first segment blocked, time of onset, number of blocked segments and height of block were comparable in the two groups. At 30 min, there were eight patients with an unblocked segment in the air group, compared with two in the saline group (P < 0.01). All unblocked segments were blocked subsequently by further doses of bupivacaine. We conclude that air is more likely than saline to produce unblocked segments in the initiation of extradural analgesia in labour.</description><identifier>ISSN: 0007-0912</identifier><identifier>EISSN: 1471-6771</identifier><identifier>DOI: 10.1093/bja/66.2.224</identifier><identifier>PMID: 1817625</identifier><identifier>CODEN: BJANAD</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Adolescent ; Adult ; Air ; Anaesthesia: obstetric ; Anaesthetic techniques: extradural ; Analgesia, Epidural - methods ; Analgesia, Obstetrical - methods ; Anesthesia ; Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy ; Biological and medical sciences ; Complications unblocked segments ; Epidural Space ; Female ; Humans ; Labor, Obstetric ; Local anesthesia. Pain (treatment) ; Medical sciences ; Pregnancy ; Random Allocation ; Sodium Chloride</subject><ispartof>British journal of anaesthesia : BJA, 1991-02, Vol.66 (2), p.224-227</ispartof><rights>1991</rights><rights>1991 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c439t-fa4f0d4d386b1f50d5c6b6a849b42a15d05479abf435c1218e2af1901e3037303</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19751070$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/1817625$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>VALENTINE, S.J.</creatorcontrib><creatorcontrib>JARVIS, A.P.</creatorcontrib><creatorcontrib>SHUTT, L.E.</creatorcontrib><title>COMPARATIVE STUDY OF THE EFFECTS OF AIR OR SALINE TO IDENTIFY THE EXTRADURAL SPACE</title><title>British journal of anaesthesia : BJA</title><addtitle>Br J Anaesth</addtitle><description>Fifty women in labour were allocated randomly to receive either air or saline to assist in the identification of the extradural space by the loss of resistance technique. A study volume of 4 ml of air or saline was used before 0.5% bupivacaine 8 ml and the spread of analgesia was followed for 30 min. The first segment blocked, time of onset, number of blocked segments and height of block were comparable in the two groups. At 30 min, there were eight patients with an unblocked segment in the air group, compared with two in the saline group (P < 0.01). All unblocked segments were blocked subsequently by further doses of bupivacaine. We conclude that air is more likely than saline to produce unblocked segments in the initiation of extradural analgesia in labour.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Air</subject><subject>Anaesthesia: obstetric</subject><subject>Anaesthetic techniques: extradural</subject><subject>Analgesia, Epidural - methods</subject><subject>Analgesia, Obstetrical - methods</subject><subject>Anesthesia</subject><subject>Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy</subject><subject>Biological and medical sciences</subject><subject>Complications unblocked segments</subject><subject>Epidural Space</subject><subject>Female</subject><subject>Humans</subject><subject>Labor, Obstetric</subject><subject>Local anesthesia. Pain (treatment)</subject><subject>Medical sciences</subject><subject>Pregnancy</subject><subject>Random Allocation</subject><subject>Sodium Chloride</subject><issn>0007-0912</issn><issn>1471-6771</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1991</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNptkE1P20AQhldVEU1pb70i7aU91WG_Nz5ajk2MAka20wYuq_V6LZnmg-4mCP49Th2VC4fRaPQ-mhk9AHzDaIxRSC_qB30hxJiMCWEfwAgziQMhJf4IRgghGaAQk0_gs_cPCGFJQn4KTvEES0H4CBRxfn0bFVGV_UpgWS2mdzBPYTVLYJKmSVyVhzHKCpgXsIzm2U0Cqxxm0-SmytK7AVxWRTRdFNEclrdRnHwBJ61eefv12M_AIk2qeBbM88ssjuaBYTTcBa1mLWpYQyeixi1HDTeiFnrCwpoRjXmDOJOhrltGucEETyzRLQ4RthRR2dcZ-DHsfXTbv3vrd2rdeWNXK72x271XkkjK6T_w5wAat_Xe2VY9um6t3YvCSB0Uql6hEkIR1Svs8fPj3n29ts0bPDjr8-_HXHujV63TG9P5NyyUHCN5OBsMXOd39vl_rt0fJSSVXM2W9yq9Whb8d3mplj0vBt720p4665Q3nd0Y23TOmp1qtt37D78CEeuSMw</recordid><startdate>19910201</startdate><enddate>19910201</enddate><creator>VALENTINE, S.J.</creator><creator>JARVIS, A.P.</creator><creator>SHUTT, L.E.</creator><general>Elsevier Ltd</general><general>Oxford University Press</general><scope>6I.</scope><scope>AAFTH</scope><scope>BSCLL</scope><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>7X8</scope></search><sort><creationdate>19910201</creationdate><title>COMPARATIVE STUDY OF THE EFFECTS OF AIR OR SALINE TO IDENTIFY THE EXTRADURAL SPACE</title><author>VALENTINE, S.J. ; JARVIS, A.P. ; SHUTT, L.E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c439t-fa4f0d4d386b1f50d5c6b6a849b42a15d05479abf435c1218e2af1901e3037303</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1991</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Air</topic><topic>Anaesthesia: obstetric</topic><topic>Anaesthetic techniques: extradural</topic><topic>Analgesia, Epidural - methods</topic><topic>Analgesia, Obstetrical - methods</topic><topic>Anesthesia</topic><topic>Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy</topic><topic>Biological and medical sciences</topic><topic>Complications unblocked segments</topic><topic>Epidural Space</topic><topic>Female</topic><topic>Humans</topic><topic>Labor, Obstetric</topic><topic>Local anesthesia. Pain (treatment)</topic><topic>Medical sciences</topic><topic>Pregnancy</topic><topic>Random Allocation</topic><topic>Sodium Chloride</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>VALENTINE, S.J.</creatorcontrib><creatorcontrib>JARVIS, A.P.</creatorcontrib><creatorcontrib>SHUTT, L.E.</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>Istex</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>British journal of anaesthesia : BJA</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>VALENTINE, S.J.</au><au>JARVIS, A.P.</au><au>SHUTT, L.E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>COMPARATIVE STUDY OF THE EFFECTS OF AIR OR SALINE TO IDENTIFY THE EXTRADURAL SPACE</atitle><jtitle>British journal of anaesthesia : BJA</jtitle><addtitle>Br J Anaesth</addtitle><date>1991-02-01</date><risdate>1991</risdate><volume>66</volume><issue>2</issue><spage>224</spage><epage>227</epage><pages>224-227</pages><issn>0007-0912</issn><eissn>1471-6771</eissn><coden>BJANAD</coden><abstract>Fifty women in labour were allocated randomly to receive either air or saline to assist in the identification of the extradural space by the loss of resistance technique. A study volume of 4 ml of air or saline was used before 0.5% bupivacaine 8 ml and the spread of analgesia was followed for 30 min. The first segment blocked, time of onset, number of blocked segments and height of block were comparable in the two groups. At 30 min, there were eight patients with an unblocked segment in the air group, compared with two in the saline group (P < 0.01). All unblocked segments were blocked subsequently by further doses of bupivacaine. We conclude that air is more likely than saline to produce unblocked segments in the initiation of extradural analgesia in labour.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><pmid>1817625</pmid><doi>10.1093/bja/66.2.224</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | British journal of anaesthesia : BJA, 1991-02, Vol.66 (2), p.224-227 |
| issn | 0007-0912 1471-6771 |
| language | eng |
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| source | MEDLINE; Oxford University Press Journals Digital Archive Legacy; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Adolescent Adult Air Anaesthesia: obstetric Anaesthetic techniques: extradural Analgesia, Epidural - methods Analgesia, Obstetrical - methods Anesthesia Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy Biological and medical sciences Complications unblocked segments Epidural Space Female Humans Labor, Obstetric Local anesthesia. Pain (treatment) Medical sciences Pregnancy Random Allocation Sodium Chloride |
| title | COMPARATIVE STUDY OF THE EFFECTS OF AIR OR SALINE TO IDENTIFY THE EXTRADURAL SPACE |
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