Comparison of air-sealing characteristics of tapered- vs. cylindrical-shaped high-volume, low-pressure tube cuffs
Background This study aimed at comparing air‐sealing characteristics of the new tapered‐shaped tracheal tube cuffs with cylindrical tube cuffs. Methods Tracheal tubes with tapered‐shaped polyurethane (PU) and polyvinyl chloride (PVC) cuffs as well as standard cylindrical‐shaped cuffs made of PU and...
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| Veröffentlicht in: | Acta anaesthesiologica Scandinavica 2012-02, Vol.56 (2), p.230-235 |
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| creator | MADJDPOUR, C. MAUCH, J. DAVE, M. H. SPIELMANN, N. WEISS, M. |
| description | Background
This study aimed at comparing air‐sealing characteristics of the new tapered‐shaped tracheal tube cuffs with cylindrical tube cuffs.
Methods
Tracheal tubes with tapered‐shaped polyurethane (PU) and polyvinyl chloride (PVC) cuffs as well as standard cylindrical‐shaped cuffs made of PU and PVC (Covidien, Athlone, Ireland) were investigated. A tracheal model attached to a test lung was intubated, and cuffs were inflated to 10, 15, 20, 25 and 30 cm H2O. The test lung was ventilated with intermittent positive pressure ventilation at peak inspiratory pressures (PIPs) of 20 and 25 cm H2O. Air leakage was assessed by spirometry and measurement of sevoflurane concentration passing the cuff at the upper cuff border using an anaesthetic gas analyser. Experiments were repeated four times with new tracheal tubes for each run. Statistical comparisons were done using Mann–Whitney U‐test with level of significance at P |
| doi_str_mv | 10.1111/j.1399-6576.2011.02542.x |
| format | Article |
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This study aimed at comparing air‐sealing characteristics of the new tapered‐shaped tracheal tube cuffs with cylindrical tube cuffs.
Methods
Tracheal tubes with tapered‐shaped polyurethane (PU) and polyvinyl chloride (PVC) cuffs as well as standard cylindrical‐shaped cuffs made of PU and PVC (Covidien, Athlone, Ireland) were investigated. A tracheal model attached to a test lung was intubated, and cuffs were inflated to 10, 15, 20, 25 and 30 cm H2O. The test lung was ventilated with intermittent positive pressure ventilation at peak inspiratory pressures (PIPs) of 20 and 25 cm H2O. Air leakage was assessed by spirometry and measurement of sevoflurane concentration passing the cuff at the upper cuff border using an anaesthetic gas analyser. Experiments were repeated four times with new tracheal tubes for each run. Statistical comparisons were done using Mann–Whitney U‐test with level of significance at P < 0.05.
Results
The tapered‐shaped PVC tube cuff demonstrated a significantly lower air leakage determined by spirometry than the cylindrical‐shaped cuff at both PIPs (20 and 25 cm H2O). Similarly, sevoflurane leakage was less with the tapered PVC cuff particularly at higher cuff pressures. With the PU cuff, reduction in air leakage by a tapered‐shaped compared with a cylindrical‐shaped tube cuff was not significant.
Conclusions
A tapered‐shaped tube cuff considerably improves air‐sealing characteristics of PVC tube cuffs and allows thereby reducing cuff pressure required for sufficient ventilation. In tube cuffs made of PU that exhibits superior sealing characteristics compared with PVC, a tapered shape failed to result in a further reduction of air leakage.</description><identifier>ISSN: 0001-5172</identifier><identifier>EISSN: 1399-6576</identifier><identifier>DOI: 10.1111/j.1399-6576.2011.02542.x</identifier><identifier>PMID: 22091784</identifier><identifier>CODEN: AANEAB</identifier><language>eng</language><publisher>Oxford: Blackwell Publishing Ltd</publisher><subject>Air Pressure ; Airway Management - instrumentation ; Airway Management - methods ; Anesthesia ; Anesthesia, Inhalation - instrumentation ; Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy ; Anesthetics, Inhalation - administration & dosage ; Biological and medical sciences ; Humans ; Intermittent Positive-Pressure Ventilation ; Intubation, Intratracheal - instrumentation ; Lung - anatomy & histology ; Medical sciences ; Methyl Ethers - administration & dosage ; Models, Anatomic ; Polyurethanes ; Polyvinyl Chloride ; Spirometry ; Tidal Volume</subject><ispartof>Acta anaesthesiologica Scandinavica, 2012-02, Vol.56 (2), p.230-235</ispartof><rights>2011 The Authors Acta Anaesthesiologica Scandinavica © 2011 The Acta Anaesthesiologica Scandinavica Foundation</rights><rights>2015 INIST-CNRS</rights><rights>2011 The Authors Acta Anaesthesiologica Scandinavica © 2011 The Acta Anaesthesiologica Scandinavica Foundation.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5022-e5281d577b2f3e2a9adf1dc3943b07a07688de86dfc773d2d2964fc49f107e6c3</citedby><cites>FETCH-LOGICAL-c5022-e5281d577b2f3e2a9adf1dc3943b07a07688de86dfc773d2d2964fc49f107e6c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1399-6576.2011.02542.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1399-6576.2011.02542.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25353669$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22091784$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>MADJDPOUR, C.</creatorcontrib><creatorcontrib>MAUCH, J.</creatorcontrib><creatorcontrib>DAVE, M. H.</creatorcontrib><creatorcontrib>SPIELMANN, N.</creatorcontrib><creatorcontrib>WEISS, M.</creatorcontrib><title>Comparison of air-sealing characteristics of tapered- vs. cylindrical-shaped high-volume, low-pressure tube cuffs</title><title>Acta anaesthesiologica Scandinavica</title><addtitle>Acta Anaesthesiol Scand</addtitle><description>Background
This study aimed at comparing air‐sealing characteristics of the new tapered‐shaped tracheal tube cuffs with cylindrical tube cuffs.
Methods
Tracheal tubes with tapered‐shaped polyurethane (PU) and polyvinyl chloride (PVC) cuffs as well as standard cylindrical‐shaped cuffs made of PU and PVC (Covidien, Athlone, Ireland) were investigated. A tracheal model attached to a test lung was intubated, and cuffs were inflated to 10, 15, 20, 25 and 30 cm H2O. The test lung was ventilated with intermittent positive pressure ventilation at peak inspiratory pressures (PIPs) of 20 and 25 cm H2O. Air leakage was assessed by spirometry and measurement of sevoflurane concentration passing the cuff at the upper cuff border using an anaesthetic gas analyser. Experiments were repeated four times with new tracheal tubes for each run. Statistical comparisons were done using Mann–Whitney U‐test with level of significance at P < 0.05.
Results
The tapered‐shaped PVC tube cuff demonstrated a significantly lower air leakage determined by spirometry than the cylindrical‐shaped cuff at both PIPs (20 and 25 cm H2O). Similarly, sevoflurane leakage was less with the tapered PVC cuff particularly at higher cuff pressures. With the PU cuff, reduction in air leakage by a tapered‐shaped compared with a cylindrical‐shaped tube cuff was not significant.
Conclusions
A tapered‐shaped tube cuff considerably improves air‐sealing characteristics of PVC tube cuffs and allows thereby reducing cuff pressure required for sufficient ventilation. In tube cuffs made of PU that exhibits superior sealing characteristics compared with PVC, a tapered shape failed to result in a further reduction of air leakage.</description><subject>Air Pressure</subject><subject>Airway Management - instrumentation</subject><subject>Airway Management - methods</subject><subject>Anesthesia</subject><subject>Anesthesia, Inhalation - instrumentation</subject><subject>Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy</subject><subject>Anesthetics, Inhalation - administration & dosage</subject><subject>Biological and medical sciences</subject><subject>Humans</subject><subject>Intermittent Positive-Pressure Ventilation</subject><subject>Intubation, Intratracheal - instrumentation</subject><subject>Lung - anatomy & histology</subject><subject>Medical sciences</subject><subject>Methyl Ethers - administration & dosage</subject><subject>Models, Anatomic</subject><subject>Polyurethanes</subject><subject>Polyvinyl Chloride</subject><subject>Spirometry</subject><subject>Tidal Volume</subject><issn>0001-5172</issn><issn>1399-6576</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkU2PEyEch4nRuHX1K5i5GC8y8jIDw8FDrVpNNmt8i0dC4c-WOtOZhc5u--1lbK1XuQD5PT8gDwgVlJQ0j9ebknKlsKilKBmhtCSsrli5f4Bm5-AhmhFCKK6pZBfoSUqbvOWVUo_RBWNEUdlUM3S76LvBxJD6bdH7woSIE5g2bG8KuzbR2B3kcBdsmuKdGSCCw8VdKgt7yJiLwZoWp3VOXLEON2t817djB6-Ktr_HQ4SUxgjFblxBYUfv01P0yJs2wbPTfIl-fHj_ffERX31eflrMr7CtCWMYatZQV0u5Yp4DM8o4T53lquIrIg2RomkcNMJ5KyV3zDElKm8r5SmRICy_RC-P5w6xvx0h7XQXkoW2NVvox6QVFbSSnPFMNkfSxj6lCF4PMXQmHjQlevKtN3rSqietevKt__jW-1x9frpkXHXgzsW_gjPw4gSYlEX5aLY2pH9czWsuhMrcmyN3H1o4_PcD9Hz-bVrlPj7282fB_tw38ZcWksta_7xeavLu-svya7PQb_lvZ_Sr-Q</recordid><startdate>201202</startdate><enddate>201202</enddate><creator>MADJDPOUR, C.</creator><creator>MAUCH, J.</creator><creator>DAVE, M. H.</creator><creator>SPIELMANN, N.</creator><creator>WEISS, M.</creator><general>Blackwell Publishing Ltd</general><general>Blackwell</general><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>201202</creationdate><title>Comparison of air-sealing characteristics of tapered- vs. cylindrical-shaped high-volume, low-pressure tube cuffs</title><author>MADJDPOUR, C. ; MAUCH, J. ; DAVE, M. H. ; SPIELMANN, N. ; WEISS, M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5022-e5281d577b2f3e2a9adf1dc3943b07a07688de86dfc773d2d2964fc49f107e6c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Air Pressure</topic><topic>Airway Management - instrumentation</topic><topic>Airway Management - methods</topic><topic>Anesthesia</topic><topic>Anesthesia, Inhalation - instrumentation</topic><topic>Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy</topic><topic>Anesthetics, Inhalation - administration & dosage</topic><topic>Biological and medical sciences</topic><topic>Humans</topic><topic>Intermittent Positive-Pressure Ventilation</topic><topic>Intubation, Intratracheal - instrumentation</topic><topic>Lung - anatomy & histology</topic><topic>Medical sciences</topic><topic>Methyl Ethers - administration & dosage</topic><topic>Models, Anatomic</topic><topic>Polyurethanes</topic><topic>Polyvinyl Chloride</topic><topic>Spirometry</topic><topic>Tidal Volume</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>MADJDPOUR, C.</creatorcontrib><creatorcontrib>MAUCH, J.</creatorcontrib><creatorcontrib>DAVE, M. H.</creatorcontrib><creatorcontrib>SPIELMANN, N.</creatorcontrib><creatorcontrib>WEISS, M.</creatorcontrib><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>Acta anaesthesiologica Scandinavica</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>MADJDPOUR, C.</au><au>MAUCH, J.</au><au>DAVE, M. H.</au><au>SPIELMANN, N.</au><au>WEISS, M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Comparison of air-sealing characteristics of tapered- vs. cylindrical-shaped high-volume, low-pressure tube cuffs</atitle><jtitle>Acta anaesthesiologica Scandinavica</jtitle><addtitle>Acta Anaesthesiol Scand</addtitle><date>2012-02</date><risdate>2012</risdate><volume>56</volume><issue>2</issue><spage>230</spage><epage>235</epage><pages>230-235</pages><issn>0001-5172</issn><eissn>1399-6576</eissn><coden>AANEAB</coden><abstract>Background
This study aimed at comparing air‐sealing characteristics of the new tapered‐shaped tracheal tube cuffs with cylindrical tube cuffs.
Methods
Tracheal tubes with tapered‐shaped polyurethane (PU) and polyvinyl chloride (PVC) cuffs as well as standard cylindrical‐shaped cuffs made of PU and PVC (Covidien, Athlone, Ireland) were investigated. A tracheal model attached to a test lung was intubated, and cuffs were inflated to 10, 15, 20, 25 and 30 cm H2O. The test lung was ventilated with intermittent positive pressure ventilation at peak inspiratory pressures (PIPs) of 20 and 25 cm H2O. Air leakage was assessed by spirometry and measurement of sevoflurane concentration passing the cuff at the upper cuff border using an anaesthetic gas analyser. Experiments were repeated four times with new tracheal tubes for each run. Statistical comparisons were done using Mann–Whitney U‐test with level of significance at P < 0.05.
Results
The tapered‐shaped PVC tube cuff demonstrated a significantly lower air leakage determined by spirometry than the cylindrical‐shaped cuff at both PIPs (20 and 25 cm H2O). Similarly, sevoflurane leakage was less with the tapered PVC cuff particularly at higher cuff pressures. With the PU cuff, reduction in air leakage by a tapered‐shaped compared with a cylindrical‐shaped tube cuff was not significant.
Conclusions
A tapered‐shaped tube cuff considerably improves air‐sealing characteristics of PVC tube cuffs and allows thereby reducing cuff pressure required for sufficient ventilation. In tube cuffs made of PU that exhibits superior sealing characteristics compared with PVC, a tapered shape failed to result in a further reduction of air leakage.</abstract><cop>Oxford</cop><pub>Blackwell Publishing Ltd</pub><pmid>22091784</pmid><doi>10.1111/j.1399-6576.2011.02542.x</doi><tpages>6</tpages></addata></record> |
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| ispartof | Acta anaesthesiologica Scandinavica, 2012-02, Vol.56 (2), p.230-235 |
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| source | MEDLINE; Wiley Online Library Journals Frontfile Complete |
| subjects | Air Pressure Airway Management - instrumentation Airway Management - methods Anesthesia Anesthesia, Inhalation - instrumentation Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy Anesthetics, Inhalation - administration & dosage Biological and medical sciences Humans Intermittent Positive-Pressure Ventilation Intubation, Intratracheal - instrumentation Lung - anatomy & histology Medical sciences Methyl Ethers - administration & dosage Models, Anatomic Polyurethanes Polyvinyl Chloride Spirometry Tidal Volume |
| title | Comparison of air-sealing characteristics of tapered- vs. cylindrical-shaped high-volume, low-pressure tube cuffs |
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