Mainstream vs. sidestream capnometry for prediction of arterial carbon dioxide tension during supine craniotomy
Summary We compared the performance of mainstream capnometry as a measure of arterial carbon dioxide tension (Paco2) with sidestream recordings in adult neurosurgical patients undergoing supine craniotomy. Two hundred and forty patients were randomly assigned so that the end-tidal carbon dioxide ten...
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| Autor*in: |
Chan, K. L. [verfasserIn] Chan, M. T. V. [verfasserIn] Gin, T. [verfasserIn] |
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| Format: |
E-Artikel |
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| Erschienen: |
Oxford, UK: Blackwell Science Ltd ; 2003 |
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| Umfang: |
Online-Ressource |
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| Reproduktion: |
2008 ; Blackwell Publishing Journal Backfiles 1879-2005 |
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In: Anaesthesia - Oxford [u.a.] : Wiley-Blackwell, 1946, 58(2003), 2, Seite 0 |
| Übergeordnetes Werk: |
volume:58 ; year:2003 ; number:2 ; pages:0 |
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| DOI / URN: |
10.1046/j.1365-2044.2003.03035.x |
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| 520 | |a Summary We compared the performance of mainstream capnometry as a measure of arterial carbon dioxide tension (Paco2) with sidestream recordings in adult neurosurgical patients undergoing supine craniotomy. Two hundred and forty patients were randomly assigned so that the end-tidal carbon dioxide tension (PÉco2) was measured using either a mainstream or sidestream infrared capnometer. All patients received propofol anaesthesia and ventilation was adjusted according to clinical requirement. Arterial blood gas analyses were performed after induction, prior to dural incision, during surgery and before wound closure. Simultaneous haemodynamic and ventilatory parameters were also recorded. For 1007 paired measurements of PÉco2 and Paco2 (mainstream, n = 503; sidestream, n = 504), the mean (SD) mainstream arterial to end-tidal carbon dioxide tension difference, 0.64 (0.16) kPa, was smaller than the corresponding sidestream values, 0.99 (0.40) kPa (p < 0.001). The limits of agreement for the mainstream analyser, 0.32–0.96 kPa, were also narrower than the sidestream recordings, 0.19–1.79 kPa (p < 0.001). In both capnometers, the arterial to end-tidal difference in carbon dioxide tension did not change with time. However, there was greater within-patient variation in the sidestream group. Our study showed that mainstream PÉco2 provided a more accurate estimation of Paco2 than sidestream measurement. | ||
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10.1046/j.1365-2044.2003.03035.x doi (DE-627)NLEJ242252737 DE-627 ger DE-627 rakwb Chan, K. L. verfasserin aut Mainstream vs. sidestream capnometry for prediction of arterial carbon dioxide tension during supine craniotomy Oxford, UK Blackwell Science Ltd 2003 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Summary We compared the performance of mainstream capnometry as a measure of arterial carbon dioxide tension (Paco2) with sidestream recordings in adult neurosurgical patients undergoing supine craniotomy. Two hundred and forty patients were randomly assigned so that the end-tidal carbon dioxide tension (PÉco2) was measured using either a mainstream or sidestream infrared capnometer. All patients received propofol anaesthesia and ventilation was adjusted according to clinical requirement. Arterial blood gas analyses were performed after induction, prior to dural incision, during surgery and before wound closure. Simultaneous haemodynamic and ventilatory parameters were also recorded. For 1007 paired measurements of PÉco2 and Paco2 (mainstream, n = 503; sidestream, n = 504), the mean (SD) mainstream arterial to end-tidal carbon dioxide tension difference, 0.64 (0.16) kPa, was smaller than the corresponding sidestream values, 0.99 (0.40) kPa (p < 0.001). The limits of agreement for the mainstream analyser, 0.32–0.96 kPa, were also narrower than the sidestream recordings, 0.19–1.79 kPa (p < 0.001). In both capnometers, the arterial to end-tidal difference in carbon dioxide tension did not change with time. However, there was greater within-patient variation in the sidestream group. Our study showed that mainstream PÉco2 provided a more accurate estimation of Paco2 than sidestream measurement. 2008 Blackwell Publishing Journal Backfiles 1879-2005 |2008|||||||||| Chan, M. T. V. verfasserin aut Gin, T. verfasserin aut In Anaesthesia Oxford [u.a.] : Wiley-Blackwell, 1946 58(2003), 2, Seite 0 Online-Ressource (DE-627)NLEJ243927770 (DE-600)2003379-5 1365-2044 nnns volume:58 year:2003 number:2 pages:0 http://dx.doi.org/10.1046/j.1365-2044.2003.03035.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 58 2003 2 0 |
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10.1046/j.1365-2044.2003.03035.x doi (DE-627)NLEJ242252737 DE-627 ger DE-627 rakwb Chan, K. L. verfasserin aut Mainstream vs. sidestream capnometry for prediction of arterial carbon dioxide tension during supine craniotomy Oxford, UK Blackwell Science Ltd 2003 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Summary We compared the performance of mainstream capnometry as a measure of arterial carbon dioxide tension (Paco2) with sidestream recordings in adult neurosurgical patients undergoing supine craniotomy. Two hundred and forty patients were randomly assigned so that the end-tidal carbon dioxide tension (PÉco2) was measured using either a mainstream or sidestream infrared capnometer. All patients received propofol anaesthesia and ventilation was adjusted according to clinical requirement. Arterial blood gas analyses were performed after induction, prior to dural incision, during surgery and before wound closure. Simultaneous haemodynamic and ventilatory parameters were also recorded. For 1007 paired measurements of PÉco2 and Paco2 (mainstream, n = 503; sidestream, n = 504), the mean (SD) mainstream arterial to end-tidal carbon dioxide tension difference, 0.64 (0.16) kPa, was smaller than the corresponding sidestream values, 0.99 (0.40) kPa (p < 0.001). The limits of agreement for the mainstream analyser, 0.32–0.96 kPa, were also narrower than the sidestream recordings, 0.19–1.79 kPa (p < 0.001). In both capnometers, the arterial to end-tidal difference in carbon dioxide tension did not change with time. However, there was greater within-patient variation in the sidestream group. Our study showed that mainstream PÉco2 provided a more accurate estimation of Paco2 than sidestream measurement. 2008 Blackwell Publishing Journal Backfiles 1879-2005 |2008|||||||||| Chan, M. T. V. verfasserin aut Gin, T. verfasserin aut In Anaesthesia Oxford [u.a.] : Wiley-Blackwell, 1946 58(2003), 2, Seite 0 Online-Ressource (DE-627)NLEJ243927770 (DE-600)2003379-5 1365-2044 nnns volume:58 year:2003 number:2 pages:0 http://dx.doi.org/10.1046/j.1365-2044.2003.03035.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 58 2003 2 0 |
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10.1046/j.1365-2044.2003.03035.x doi (DE-627)NLEJ242252737 DE-627 ger DE-627 rakwb Chan, K. L. verfasserin aut Mainstream vs. sidestream capnometry for prediction of arterial carbon dioxide tension during supine craniotomy Oxford, UK Blackwell Science Ltd 2003 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Summary We compared the performance of mainstream capnometry as a measure of arterial carbon dioxide tension (Paco2) with sidestream recordings in adult neurosurgical patients undergoing supine craniotomy. Two hundred and forty patients were randomly assigned so that the end-tidal carbon dioxide tension (PÉco2) was measured using either a mainstream or sidestream infrared capnometer. All patients received propofol anaesthesia and ventilation was adjusted according to clinical requirement. Arterial blood gas analyses were performed after induction, prior to dural incision, during surgery and before wound closure. Simultaneous haemodynamic and ventilatory parameters were also recorded. For 1007 paired measurements of PÉco2 and Paco2 (mainstream, n = 503; sidestream, n = 504), the mean (SD) mainstream arterial to end-tidal carbon dioxide tension difference, 0.64 (0.16) kPa, was smaller than the corresponding sidestream values, 0.99 (0.40) kPa (p < 0.001). The limits of agreement for the mainstream analyser, 0.32–0.96 kPa, were also narrower than the sidestream recordings, 0.19–1.79 kPa (p < 0.001). In both capnometers, the arterial to end-tidal difference in carbon dioxide tension did not change with time. However, there was greater within-patient variation in the sidestream group. Our study showed that mainstream PÉco2 provided a more accurate estimation of Paco2 than sidestream measurement. 2008 Blackwell Publishing Journal Backfiles 1879-2005 |2008|||||||||| Chan, M. T. V. verfasserin aut Gin, T. verfasserin aut In Anaesthesia Oxford [u.a.] : Wiley-Blackwell, 1946 58(2003), 2, Seite 0 Online-Ressource (DE-627)NLEJ243927770 (DE-600)2003379-5 1365-2044 nnns volume:58 year:2003 number:2 pages:0 http://dx.doi.org/10.1046/j.1365-2044.2003.03035.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 58 2003 2 0 |
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10.1046/j.1365-2044.2003.03035.x doi (DE-627)NLEJ242252737 DE-627 ger DE-627 rakwb Chan, K. L. verfasserin aut Mainstream vs. sidestream capnometry for prediction of arterial carbon dioxide tension during supine craniotomy Oxford, UK Blackwell Science Ltd 2003 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Summary We compared the performance of mainstream capnometry as a measure of arterial carbon dioxide tension (Paco2) with sidestream recordings in adult neurosurgical patients undergoing supine craniotomy. Two hundred and forty patients were randomly assigned so that the end-tidal carbon dioxide tension (PÉco2) was measured using either a mainstream or sidestream infrared capnometer. All patients received propofol anaesthesia and ventilation was adjusted according to clinical requirement. Arterial blood gas analyses were performed after induction, prior to dural incision, during surgery and before wound closure. Simultaneous haemodynamic and ventilatory parameters were also recorded. For 1007 paired measurements of PÉco2 and Paco2 (mainstream, n = 503; sidestream, n = 504), the mean (SD) mainstream arterial to end-tidal carbon dioxide tension difference, 0.64 (0.16) kPa, was smaller than the corresponding sidestream values, 0.99 (0.40) kPa (p < 0.001). The limits of agreement for the mainstream analyser, 0.32–0.96 kPa, were also narrower than the sidestream recordings, 0.19–1.79 kPa (p < 0.001). In both capnometers, the arterial to end-tidal difference in carbon dioxide tension did not change with time. However, there was greater within-patient variation in the sidestream group. Our study showed that mainstream PÉco2 provided a more accurate estimation of Paco2 than sidestream measurement. 2008 Blackwell Publishing Journal Backfiles 1879-2005 |2008|||||||||| Chan, M. T. V. verfasserin aut Gin, T. verfasserin aut In Anaesthesia Oxford [u.a.] : Wiley-Blackwell, 1946 58(2003), 2, Seite 0 Online-Ressource (DE-627)NLEJ243927770 (DE-600)2003379-5 1365-2044 nnns volume:58 year:2003 number:2 pages:0 http://dx.doi.org/10.1046/j.1365-2044.2003.03035.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 58 2003 2 0 |
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10.1046/j.1365-2044.2003.03035.x doi (DE-627)NLEJ242252737 DE-627 ger DE-627 rakwb Chan, K. L. verfasserin aut Mainstream vs. sidestream capnometry for prediction of arterial carbon dioxide tension during supine craniotomy Oxford, UK Blackwell Science Ltd 2003 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Summary We compared the performance of mainstream capnometry as a measure of arterial carbon dioxide tension (Paco2) with sidestream recordings in adult neurosurgical patients undergoing supine craniotomy. Two hundred and forty patients were randomly assigned so that the end-tidal carbon dioxide tension (PÉco2) was measured using either a mainstream or sidestream infrared capnometer. All patients received propofol anaesthesia and ventilation was adjusted according to clinical requirement. Arterial blood gas analyses were performed after induction, prior to dural incision, during surgery and before wound closure. Simultaneous haemodynamic and ventilatory parameters were also recorded. For 1007 paired measurements of PÉco2 and Paco2 (mainstream, n = 503; sidestream, n = 504), the mean (SD) mainstream arterial to end-tidal carbon dioxide tension difference, 0.64 (0.16) kPa, was smaller than the corresponding sidestream values, 0.99 (0.40) kPa (p < 0.001). The limits of agreement for the mainstream analyser, 0.32–0.96 kPa, were also narrower than the sidestream recordings, 0.19–1.79 kPa (p < 0.001). In both capnometers, the arterial to end-tidal difference in carbon dioxide tension did not change with time. However, there was greater within-patient variation in the sidestream group. Our study showed that mainstream PÉco2 provided a more accurate estimation of Paco2 than sidestream measurement. 2008 Blackwell Publishing Journal Backfiles 1879-2005 |2008|||||||||| Chan, M. T. V. verfasserin aut Gin, T. verfasserin aut In Anaesthesia Oxford [u.a.] : Wiley-Blackwell, 1946 58(2003), 2, Seite 0 Online-Ressource (DE-627)NLEJ243927770 (DE-600)2003379-5 1365-2044 nnns volume:58 year:2003 number:2 pages:0 http://dx.doi.org/10.1046/j.1365-2044.2003.03035.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 58 2003 2 0 |
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Mainstream vs. sidestream capnometry for prediction of arterial carbon dioxide tension during supine craniotomy |
| abstract |
Summary We compared the performance of mainstream capnometry as a measure of arterial carbon dioxide tension (Paco2) with sidestream recordings in adult neurosurgical patients undergoing supine craniotomy. Two hundred and forty patients were randomly assigned so that the end-tidal carbon dioxide tension (PÉco2) was measured using either a mainstream or sidestream infrared capnometer. All patients received propofol anaesthesia and ventilation was adjusted according to clinical requirement. Arterial blood gas analyses were performed after induction, prior to dural incision, during surgery and before wound closure. Simultaneous haemodynamic and ventilatory parameters were also recorded. For 1007 paired measurements of PÉco2 and Paco2 (mainstream, n = 503; sidestream, n = 504), the mean (SD) mainstream arterial to end-tidal carbon dioxide tension difference, 0.64 (0.16) kPa, was smaller than the corresponding sidestream values, 0.99 (0.40) kPa (p < 0.001). The limits of agreement for the mainstream analyser, 0.32–0.96 kPa, were also narrower than the sidestream recordings, 0.19–1.79 kPa (p < 0.001). In both capnometers, the arterial to end-tidal difference in carbon dioxide tension did not change with time. However, there was greater within-patient variation in the sidestream group. Our study showed that mainstream PÉco2 provided a more accurate estimation of Paco2 than sidestream measurement. |
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Summary We compared the performance of mainstream capnometry as a measure of arterial carbon dioxide tension (Paco2) with sidestream recordings in adult neurosurgical patients undergoing supine craniotomy. Two hundred and forty patients were randomly assigned so that the end-tidal carbon dioxide tension (PÉco2) was measured using either a mainstream or sidestream infrared capnometer. All patients received propofol anaesthesia and ventilation was adjusted according to clinical requirement. Arterial blood gas analyses were performed after induction, prior to dural incision, during surgery and before wound closure. Simultaneous haemodynamic and ventilatory parameters were also recorded. For 1007 paired measurements of PÉco2 and Paco2 (mainstream, n = 503; sidestream, n = 504), the mean (SD) mainstream arterial to end-tidal carbon dioxide tension difference, 0.64 (0.16) kPa, was smaller than the corresponding sidestream values, 0.99 (0.40) kPa (p < 0.001). The limits of agreement for the mainstream analyser, 0.32–0.96 kPa, were also narrower than the sidestream recordings, 0.19–1.79 kPa (p < 0.001). In both capnometers, the arterial to end-tidal difference in carbon dioxide tension did not change with time. However, there was greater within-patient variation in the sidestream group. Our study showed that mainstream PÉco2 provided a more accurate estimation of Paco2 than sidestream measurement. |
| abstract_unstemmed |
Summary We compared the performance of mainstream capnometry as a measure of arterial carbon dioxide tension (Paco2) with sidestream recordings in adult neurosurgical patients undergoing supine craniotomy. Two hundred and forty patients were randomly assigned so that the end-tidal carbon dioxide tension (PÉco2) was measured using either a mainstream or sidestream infrared capnometer. All patients received propofol anaesthesia and ventilation was adjusted according to clinical requirement. Arterial blood gas analyses were performed after induction, prior to dural incision, during surgery and before wound closure. Simultaneous haemodynamic and ventilatory parameters were also recorded. For 1007 paired measurements of PÉco2 and Paco2 (mainstream, n = 503; sidestream, n = 504), the mean (SD) mainstream arterial to end-tidal carbon dioxide tension difference, 0.64 (0.16) kPa, was smaller than the corresponding sidestream values, 0.99 (0.40) kPa (p < 0.001). The limits of agreement for the mainstream analyser, 0.32–0.96 kPa, were also narrower than the sidestream recordings, 0.19–1.79 kPa (p < 0.001). In both capnometers, the arterial to end-tidal difference in carbon dioxide tension did not change with time. However, there was greater within-patient variation in the sidestream group. Our study showed that mainstream PÉco2 provided a more accurate estimation of Paco2 than sidestream measurement. |
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Mainstream vs. sidestream capnometry for prediction of arterial carbon dioxide tension during supine craniotomy |
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