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Plasma volume estimation using indocyanine green with biexponential regression analysis of the decay curves
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| Zeitschriftentitel: | Anaesthesia |
|---|---|
| Personen und Körperschaften: | , , |
| In: | Anaesthesia, 52, 1997, 12, S. 1166-1172 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Wiley
|
| Schlagwörter: |
| author_facet |
Sekimoto, M. Fukui, M. Fujita, K. Sekimoto, M. Fukui, M. Fujita, K. |
|---|---|
| author |
Sekimoto, M. Fukui, M. Fujita, K. |
| spellingShingle |
Sekimoto, M. Fukui, M. Fujita, K. Anaesthesia Plasma volume estimation using indocyanine green with biexponential regression analysis of the decay curves Anesthesiology and Pain Medicine |
| author_sort |
sekimoto, m. |
| spelling |
Sekimoto, M. Fukui, M. Fujita, K. 0003-2409 1365-2044 Wiley Anesthesiology and Pain Medicine http://dx.doi.org/10.1111/j.1365-2044.1997.249-az0389.x <jats:p>We studied seven analytical methods of estimating the plasma volume from the decay curves of indocyanine green. Fifteen volunteers received 1.0 mgkg<jats:sup>−1</jats:sup> of the dye by intravenous injection and the plasma concentration was measured continuously using spectrophotometry. Plasma volumes were calculated using three single‐regression methods (1‐a, 1‐b, 1‐c) and four biexponential regression methods (2‐a, 2‐b, 2‐c, 2‐d). The means (SD) of 1‐a, 1‐b and 1‐c were 39 (5.0), 44 (5.7) and 54 (11.5) mlkg<jats:sup>−1</jats:sup>, respectively, and these were significantly different from each other (p < 0.05). The values for methods 2‐b, 2‐c and 2‐d were similar to each other: 39 (4.6), 40 (4.1) and 40 (4.0) mlkg<jats:sup>−1</jats:sup>, respectively. These required more than 3 min circulation or mixing time. When the time allowed for mixing was less than 3 min (method 2‐a) the plasma volume was underestimated. We conclude that plasma volume estimation using indocyanine green and spectrophotometry is most accurate when the mixing time is adequate (3–5 min) and the decay curves are analysed using biexponential regression.</jats:p> Plasma volume estimation using indocyanine green with biexponential regression analysis of the decay curves Anaesthesia |
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| title |
Plasma volume estimation using indocyanine green with biexponential regression analysis of the decay curves |
| title_unstemmed |
Plasma volume estimation using indocyanine green with biexponential regression analysis of the decay curves |
| title_full |
Plasma volume estimation using indocyanine green with biexponential regression analysis of the decay curves |
| title_fullStr |
Plasma volume estimation using indocyanine green with biexponential regression analysis of the decay curves |
| title_full_unstemmed |
Plasma volume estimation using indocyanine green with biexponential regression analysis of the decay curves |
| title_short |
Plasma volume estimation using indocyanine green with biexponential regression analysis of the decay curves |
| title_sort |
plasma volume estimation using indocyanine green with biexponential regression analysis of the decay curves |
| topic |
Anesthesiology and Pain Medicine |
| url |
http://dx.doi.org/10.1111/j.1365-2044.1997.249-az0389.x |
| publishDate |
1997 |
| physical |
1166-1172 |
| description |
<jats:p>We studied seven analytical methods of estimating the plasma volume from the decay curves of indocyanine green. Fifteen volunteers received 1.0 mgkg<jats:sup>−1</jats:sup> of the dye by intravenous injection and the plasma concentration was measured continuously using spectrophotometry. Plasma volumes were calculated using three single‐regression methods (1‐a, 1‐b, 1‐c) and four biexponential regression methods (2‐a, 2‐b, 2‐c, 2‐d). The means (SD) of 1‐a, 1‐b and 1‐c were 39 (5.0), 44 (5.7) and 54 (11.5) mlkg<jats:sup>−1</jats:sup>, respectively, and these were significantly different from each other (p < 0.05). The values for methods 2‐b, 2‐c and 2‐d were similar to each other: 39 (4.6), 40 (4.1) and 40 (4.0) mlkg<jats:sup>−1</jats:sup>, respectively. These required more than 3 min circulation or mixing time. When the time allowed for mixing was less than 3 min (method 2‐a) the plasma volume was underestimated. We conclude that plasma volume estimation using indocyanine green and spectrophotometry is most accurate when the mixing time is adequate (3–5 min) and the decay curves are analysed using biexponential regression.</jats:p> |
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| author | Sekimoto, M., Fukui, M., Fujita, K. |
| author_facet | Sekimoto, M., Fukui, M., Fujita, K., Sekimoto, M., Fukui, M., Fujita, K. |
| author_sort | sekimoto, m. |
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| description | <jats:p>We studied seven analytical methods of estimating the plasma volume from the decay curves of indocyanine green. Fifteen volunteers received 1.0 mgkg<jats:sup>−1</jats:sup> of the dye by intravenous injection and the plasma concentration was measured continuously using spectrophotometry. Plasma volumes were calculated using three single‐regression methods (1‐a, 1‐b, 1‐c) and four biexponential regression methods (2‐a, 2‐b, 2‐c, 2‐d). The means (SD) of 1‐a, 1‐b and 1‐c were 39 (5.0), 44 (5.7) and 54 (11.5) mlkg<jats:sup>−1</jats:sup>, respectively, and these were significantly different from each other (p < 0.05). The values for methods 2‐b, 2‐c and 2‐d were similar to each other: 39 (4.6), 40 (4.1) and 40 (4.0) mlkg<jats:sup>−1</jats:sup>, respectively. These required more than 3 min circulation or mixing time. When the time allowed for mixing was less than 3 min (method 2‐a) the plasma volume was underestimated. We conclude that plasma volume estimation using indocyanine green and spectrophotometry is most accurate when the mixing time is adequate (3–5 min) and the decay curves are analysed using biexponential regression.</jats:p> |
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| imprint_str_mv | Wiley, 1997 |
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| spelling | Sekimoto, M. Fukui, M. Fujita, K. 0003-2409 1365-2044 Wiley Anesthesiology and Pain Medicine http://dx.doi.org/10.1111/j.1365-2044.1997.249-az0389.x <jats:p>We studied seven analytical methods of estimating the plasma volume from the decay curves of indocyanine green. Fifteen volunteers received 1.0 mgkg<jats:sup>−1</jats:sup> of the dye by intravenous injection and the plasma concentration was measured continuously using spectrophotometry. Plasma volumes were calculated using three single‐regression methods (1‐a, 1‐b, 1‐c) and four biexponential regression methods (2‐a, 2‐b, 2‐c, 2‐d). The means (SD) of 1‐a, 1‐b and 1‐c were 39 (5.0), 44 (5.7) and 54 (11.5) mlkg<jats:sup>−1</jats:sup>, respectively, and these were significantly different from each other (p < 0.05). The values for methods 2‐b, 2‐c and 2‐d were similar to each other: 39 (4.6), 40 (4.1) and 40 (4.0) mlkg<jats:sup>−1</jats:sup>, respectively. These required more than 3 min circulation or mixing time. When the time allowed for mixing was less than 3 min (method 2‐a) the plasma volume was underestimated. We conclude that plasma volume estimation using indocyanine green and spectrophotometry is most accurate when the mixing time is adequate (3–5 min) and the decay curves are analysed using biexponential regression.</jats:p> Plasma volume estimation using indocyanine green with biexponential regression analysis of the decay curves Anaesthesia |
| spellingShingle | Sekimoto, M., Fukui, M., Fujita, K., Anaesthesia, Plasma volume estimation using indocyanine green with biexponential regression analysis of the decay curves, Anesthesiology and Pain Medicine |
| title | Plasma volume estimation using indocyanine green with biexponential regression analysis of the decay curves |
| title_full | Plasma volume estimation using indocyanine green with biexponential regression analysis of the decay curves |
| title_fullStr | Plasma volume estimation using indocyanine green with biexponential regression analysis of the decay curves |
| title_full_unstemmed | Plasma volume estimation using indocyanine green with biexponential regression analysis of the decay curves |
| title_short | Plasma volume estimation using indocyanine green with biexponential regression analysis of the decay curves |
| title_sort | plasma volume estimation using indocyanine green with biexponential regression analysis of the decay curves |
| title_unstemmed | Plasma volume estimation using indocyanine green with biexponential regression analysis of the decay curves |
| topic | Anesthesiology and Pain Medicine |
| url | http://dx.doi.org/10.1111/j.1365-2044.1997.249-az0389.x |