COMPARISON OF PULSE OXIMETERS: EFFECTS OF VASOCONSTRICTION AND VENOUS ENGORGEMENT
The effects of cold-induced vasoconstriction and venous occlusion on the detection of induced hypoxaemia by four pulse oximeters were examined in 10 volunteers. In three further subjects vasoconstriction was maintained until at least one instrument failed to detect the induced hypoxaemia. Time taken...
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| Veröffentlicht in: | British journal of anaesthesia : BJA 1989-04, Vol.62 (4), p.439-444 |
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| container_end_page | 444 |
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| container_title | British journal of anaesthesia : BJA |
| container_volume | 62 |
| creator | WILKINS, C.J. MOORES, M. HANNING, C.D. |
| description | The effects of cold-induced vasoconstriction and venous occlusion on the detection of induced hypoxaemia by four pulse oximeters were examined in 10 volunteers. In three further subjects vasoconstriction was maintained until at least one instrument failed to detect the induced hypoxaemia. Time taken to detect hypoxaemia was increased for all instruments to between two and three times the instrument's own control value for both vasoconstriction and venous engorgement (P |
| doi_str_mv | 10.1093/bja/62.4.439 |
| format | Article |
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In three further subjects vasoconstriction was maintained until at least one instrument failed to detect the induced hypoxaemia. Time taken to detect hypoxaemia was increased for all instruments to between two and three times the instrument's own control value for both vasoconstriction and venous engorgement (P<0.01). There was highly significant variation in detected minimum saturation between the instruments (P<0.001). One instrument failed to detect the full extent of desaturation under the experimental conditions and was more likely to fail completely to detect desaturation than the other test instruments when influenced by vasoconstriction (P<0.05). Significant impairment in the performance of all the instruments tested occurred in the presence of normal pulse signals. The duration of detected reductions in oxygen saturation was not significantly affected.</description><identifier>ISSN: 0007-0912</identifier><identifier>EISSN: 1471-6771</identifier><identifier>DOI: 10.1093/bja/62.4.439</identifier><identifier>PMID: 2706182</identifier><identifier>CODEN: BJANAD</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Anesthesia ; Anesthesia. Intensive care medicine. Transfusions. 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In three further subjects vasoconstriction was maintained until at least one instrument failed to detect the induced hypoxaemia. Time taken to detect hypoxaemia was increased for all instruments to between two and three times the instrument's own control value for both vasoconstriction and venous engorgement (P<0.01). There was highly significant variation in detected minimum saturation between the instruments (P<0.001). One instrument failed to detect the full extent of desaturation under the experimental conditions and was more likely to fail completely to detect desaturation than the other test instruments when influenced by vasoconstriction (P<0.05). Significant impairment in the performance of all the instruments tested occurred in the presence of normal pulse signals. The duration of detected reductions in oxygen saturation was not significantly affected.</description><subject>Anesthesia</subject><subject>Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy</subject><subject>Anesthesia: equipment, devices</subject><subject>Biological and medical sciences</subject><subject>Blood Circulation</subject><subject>Constriction</subject><subject>Humans</subject><subject>Hypoxia - diagnosis</subject><subject>Medical sciences</subject><subject>Oximetry - instrumentation</subject><subject>Time Factors</subject><subject>Vasoconstriction</subject><subject>Veins</subject><issn>0007-0912</issn><issn>1471-6771</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1989</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNptkM9v0zAUgC0EGmVw44qUA9qJdH6Oa8fcquB2EW08mnSqdrEcx5Ey-mPY7TT-e1K16onTO3yf3nv6EPoMeAhYJLf1k7llZEiHNBFv0AAoh5hxDm_RAGPMYyyAvEcfQnjCGDgRoyt0RThmkJIB-pWp-f14kZeqiNQkul_OShmpVT6XlVyU3yM5mcisKo_sYVyqTBVltcizKu_9cfEjepCFWpaRLKZqMZVzWVQf0bvWrIP7dJ7XaDmRVXYXz9Q0z8az2NIk3ceNaAivaWuoICyhqamhHgmXYtrUhja8dQY7YWpmBWmYIbYlQAESIUAApHVyjW5Oe5_97s_Bhb3edMG69dps3e4QNB9xxjhNevHbSbR-F4J3rX723cb4vxqwPhbUfUHNiKa6L9jrX857D_XGNRf5nKznX8_cBGvWrTdb24WLxqFvz45afNK6sHevF2z8b814wkf6bvWoZ4_8J12tiD6eZSff9c1eOud1sJ3bWtd03tm9bnbd___9BxDkkxM</recordid><startdate>19890401</startdate><enddate>19890401</enddate><creator>WILKINS, C.J.</creator><creator>MOORES, M.</creator><creator>HANNING, C.D.</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>19890401</creationdate><title>COMPARISON OF PULSE OXIMETERS: EFFECTS OF VASOCONSTRICTION AND VENOUS ENGORGEMENT</title><author>WILKINS, C.J. ; MOORES, M. ; HANNING, C.D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c438t-d9d27b4fa4926348ab1b59e804dba4d7fea0e9ab6c92d6a2cf2141139919118b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1989</creationdate><topic>Anesthesia</topic><topic>Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy</topic><topic>Anesthesia: equipment, devices</topic><topic>Biological and medical sciences</topic><topic>Blood Circulation</topic><topic>Constriction</topic><topic>Humans</topic><topic>Hypoxia - diagnosis</topic><topic>Medical sciences</topic><topic>Oximetry - instrumentation</topic><topic>Time Factors</topic><topic>Vasoconstriction</topic><topic>Veins</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>WILKINS, C.J.</creatorcontrib><creatorcontrib>MOORES, M.</creatorcontrib><creatorcontrib>HANNING, C.D.</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>WILKINS, C.J.</au><au>MOORES, M.</au><au>HANNING, C.D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>COMPARISON OF PULSE OXIMETERS: EFFECTS OF VASOCONSTRICTION AND VENOUS ENGORGEMENT</atitle><jtitle>British journal of anaesthesia : BJA</jtitle><addtitle>Br J Anaesth</addtitle><date>1989-04-01</date><risdate>1989</risdate><volume>62</volume><issue>4</issue><spage>439</spage><epage>444</epage><pages>439-444</pages><issn>0007-0912</issn><eissn>1471-6771</eissn><coden>BJANAD</coden><abstract>The effects of cold-induced vasoconstriction and venous occlusion on the detection of induced hypoxaemia by four pulse oximeters were examined in 10 volunteers. In three further subjects vasoconstriction was maintained until at least one instrument failed to detect the induced hypoxaemia. Time taken to detect hypoxaemia was increased for all instruments to between two and three times the instrument's own control value for both vasoconstriction and venous engorgement (P<0.01). There was highly significant variation in detected minimum saturation between the instruments (P<0.001). One instrument failed to detect the full extent of desaturation under the experimental conditions and was more likely to fail completely to detect desaturation than the other test instruments when influenced by vasoconstriction (P<0.05). Significant impairment in the performance of all the instruments tested occurred in the presence of normal pulse signals. The duration of detected reductions in oxygen saturation was not significantly affected.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><pmid>2706182</pmid><doi>10.1093/bja/62.4.439</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| identifier | ISSN: 0007-0912 |
| ispartof | British journal of anaesthesia : BJA, 1989-04, Vol.62 (4), p.439-444 |
| issn | 0007-0912 1471-6771 |
| language | eng |
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| source | MEDLINE; Oxford Journals A-Z Collection; Alma/SFX Local Collection; EZB Electronic Journals Library |
| subjects | Anesthesia Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy Anesthesia: equipment, devices Biological and medical sciences Blood Circulation Constriction Humans Hypoxia - diagnosis Medical sciences Oximetry - instrumentation Time Factors Vasoconstriction Veins |
| title | COMPARISON OF PULSE OXIMETERS: EFFECTS OF VASOCONSTRICTION AND VENOUS ENGORGEMENT |
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