Optical determination of fatty change of the graft liver with near-infrared time-resolved spectroscopy.

Abstract:

:A novel method for quantifying the fatty change of the graft liver by characterizing the optical property of the tissue was introduced. A wide range of lipid content in the rat liver was obtained by using different feeding regimens, with lipotropic chow (choline/methionine deficient or low chow). The liver was removed and flushed with Krebs-Ringer buffer solution with 3% albumin, and the optical properties of the liver, i.e., absorption and reduced scattering coefficients (mu(a) and mu(s)'), were measured by time-resolved spectroscopy. The fatty liver showed lower mu(a) and higher mu(s)' than the normal liver. Lower mu(a) and lower succinate dehydrogenase activity of the fatty liver suggested that the decrease in mu(a) might indicate a decrease in the mitochondrial content. The value of mu(s)' was positively correlated with the lipid content of the liver, which indicates that fat droplets inside the hepatocyte act as dominant scatterers. To subtract the contribution of the mitochondrial compartment to mu(s)', the ratio of mu(s)' to mu(a) (mu(s)':mu(a)) was useful for the assessment of the lipid content of the liver. These findings were also relevant with prediction of light scattering by the Mie theory. It was concluded that mu(a) and mu(s)' of the graft liver, measured by time-resolved spectroscopy, can be useful parameters for quantifying the fatty change of the graft liver.

journal_name

Transplantation

journal_title

Transplantation

authors

Kitai T,Beauvoit B,Chance B

doi

10.1097/00007890-199609150-00018

subject

Has Abstract

pub_date

1996-09-15 00:00:00

pages

642-7

issue

5

eissn

0041-1337

issn

1534-6080

journal_volume

62

pub_type

杂志文章
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    更新日期:1991-06-01 00:00:00

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    更新日期:2001-06-27 00:00:00

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    更新日期:1995-07-15 00:00:00

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    authors: Heslan JM,Renaudin K,Thebault P,Josien R,Cuturi MC,Chiffoleau E

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  • Effect of core pancreas temperature during cadaveric procurement on human islet isolation and functional viability.

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    pub_type: 杂志文章

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    authors: Lakey JR,Kneteman NM,Rajotte RV,Wu DC,Bigam D,Shapiro AM

    更新日期:2002-04-15 00:00:00

  • Requirement of protocol biopsy before and after complete cessation of immunosuppression after liver transplantation.

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    pub_type: 杂志文章

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    pub_type: 杂志文章

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    更新日期:2008-09-27 00:00:00

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    authors: Ustinov JA,Lahtinen TT,Bruggeman CA,Häyry PJ,Lautenschlager IT

    更新日期:1994-11-15 00:00:00

  • A schema for histologic grading of small intestine allograft acute rejection.

    abstract:BACKGROUND:Histologic evaluation of small bowel allograft biopsies is important for the diagnosis of acute rejection. However, a standard histologic schema to grade the severity of intestinal acute rejection is not currently available. The primary goal of this study was to develop a histologic grading system for the di...

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    更新日期:1975-03-01 00:00:00

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    更新日期:2002-03-27 00:00:00

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    pub_type: 杂志文章

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    更新日期:1993-11-01 00:00:00

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    更新日期:1992-01-01 00:00:00