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- Dahm, S L (author)
Charcoal as an airway isoflurane reflection filter
- Article/chapterEnglish1998
Publisher, publication year, extent ...
- Ovid Technologies (Wolters Kluwer Health),1998
Numbers
- LIBRIS-ID:oai:lup.lub.lu.se:d694a271-f7ae-47b3-8712-2d11e79b0482
- https://lup.lub.lu.se/record/1113192URI
- https://doi.org/10.1111/j.0265-0215.1998.00260.xDOI
Supplementary language notes
- Language:English
- Summary in:English
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Notes
- The isoflurane-saving and CO2-retaining effects of a charcoal filter were compared with a Siemens standard heat and moisture (HME) exchanger and an emptied specimen (dummy). Isoflurane was delivered during the inspiratory phase and consumption investigated at 10, 15 and 25 cycles min-1. The investigation was performed by ventilation with humidified air with a constant end-tidal CO2 and temperature. For a comparison, isoflurane was delivered in a conventional manner via the ventilator. The arrangement with a charcoal filter reduced the isoflurane consumption by a factor of 2.0-2.6, depending on ventilatory rate. Most of the saving was a result of the method of isoflurane delivery (factor 1.4-2.0), while adding the reflector gave a further reduction (factor 1.3-1.5). One circumstance that reduced the net efficiency of the charcoal filter was that it also reflected CO2; consequently, total minute ventilation had to be increased to maintain constant end-tidal CO2.
Subject headings and genre
- MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Anestesi och intensivvård hsv//swe
- MEDICAL AND HEALTH SCIENCES Clinical Medicine Anesthesiology and Intensive Care hsv//eng
- anaesthetic
- volatile
- isoflurane
- equipment
- charcoal filter
- physics
- gas adsorption
Added entries (persons, corporate bodies, meetings, titles ...)
- Steptoe, P (author)
- Luttropp, Hans-HenrikLund University,Lunds universitet,Anestesiologi och intensivvård,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Anesthesiology and Intensive Care,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine(Swepub:lu)anes-hlu (author)
- Reinstrup, PeterLund University,Lunds universitet,Anestesiologi och intensivvård,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Anesthesiology and Intensive Care,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine(Swepub:lu)anes-pre (author)
- Anestesiologi och intensivvårdSektion II (creator_code:org_t)
Related titles
- In:European Journal of Anaesthesiology: Ovid Technologies (Wolters Kluwer Health)15:2, s. 230-2331365-23460265-0215
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