Remote assessment and guidance of liver harvesting for transplantation.

Doctoral thesis English OPEN
Eadie, L. H.;
(2005)
  • Publisher: University of London

The harvesting of livers for transplantation involves assessment of the liver's suitability, including an examination of the colour and general appearance of the liver. If the organ is to be split for transplantation into two recipients, the vasculature of the liver mus... View more
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    C H A P T E R 2 - L I V E R SU R G E R Y IN T R O D U C T IO N .. 2.1 Introduction.................................................................. 2.2 The liv er....................................................................... 2.2.1 Liver anatom y................................................ 2.2.2 Liver fa ilu r e .......................................................... 2.2.3 Liver transplantation........................................... 2.2.3.1 D onor liver retrieval.................................... 2.2.3.2 Split liver transp la n ta tio n ........................... 2.2.3.3 Liver splitting procedure in s i t u .................. 2.2.4 Liver regeneration............................................... 2.3 Fatty infiltration o f the l i v e r ...................................... 2.3.1 D iagnosis and imaging o f fatty liv e r ................. 2.3.1.1 Ultrasound.................................................... 2.3.1.2 Computed tomography................................. 2.3.1.3 M agnetic resonance im a g in g ...................... 2.3.1.4 Other m e th o d s .............................................. 2.3.2 Transplantation o f fa tty liver g r a f t s ..................

    C H A P T E R 4 - C O L O U R IN D IA G N O S IS ..................................................... 110 4.1 Introduction: importance o f colour in diagnostic m edicine..................... 110 4.2 Animal fatty liver model and measurement o f liver spectral reflectance distribution...........................................................................................................I l l 4.2.1 M eth o d s............................................................................................... I l l 4.2.1.1 Fatty liver animal m o d e l.............................................................. I l l 4.2.1.2 Colour measurem ent.................................................................... 112

    C H A P T E R 6 - S U R G IC A L PL A N N IN G S Y S T E M ...................................... 162 6.1 Introduction.................................................................................................. 162 6.2 The teleplanning system for liver splitting................................................162

    C H A P T E R 9 - F U R T H E R W O R K .................................................................. 224 9.1 C olour optim isation.................................................................................... 224 9.1.1 Colour enhancement............................................................................224 9.1.2 Colour induction.................................................................................. 224 9.1.3 Colour memory and colour constancy............................................... 225 9.1.4 F inal colour-science image viewing s y s te m ......................................225 9.2 The HVS model matching system............................................................. 226 9.3 The index block and database ultrasound matching system .................... 226 9.3.1 In te r fa c e ............................................................................................... 227 9.3.2 Clinical tr ia l.........................................................................................228 9.3.3 P r o o f o f th e o r y .................................................................................... 228 9.3.4 M ultimodality system .......................................................................... 229 9.3.5 Further system im provem ents............................................................ 229

    C H A P T E R 10 - C O N C L U S IO N S ..................................................................... 230 10.1 Colour experimentation conclusions...................................................... 230 10.1.1 Viewing livers.................................................................................... 230 10.1.2 Colour distortion conclusions.......................................................... 231 10.1.3 Implications f o r remote viewing syste m s......................................... 232 10.2 Index block creation and image m atching............................................. 232 10.2.1 Ultrasound m a tching........................................................................ 233 10.2.2 Index block theory and creation....................................................... 233 10.2.3 Database c re a tio n .............................................................................233 10.2.4 Im age m atc h in g ................................................................................. 234 10.3 Future research.......................................................................................... 235 10.3.1 Colour optim isation................................................................. 235 10.3.2 Index block and image matching system .......................................... 235 10.4 Final summary........................................................................................... 235

    A P P E N D IX D: P I G L IV E R ULTRA SO U N D IM A G E S .............................. 299 D. 1 Set p l3 u s s e t................................................................................................ 299 D.2 Set p l2 0 u s se t.............................................................................................. 301 D.3 Set p l2 1 u s se t.............................................................................................. 303 D.4 Set p l3 0 u s s e t.............................................................................................. 305 D.5 Set p l3 1 u s s e t.............................................................................................. 307 D . 6 Set p l3 2 u s s e t.............................................................................................. 309 D.7 Replacing the transducer at certain p o in ts ............................................... 311

    Figure 1.1: The spectral sensitivities of the three cone types found in the human ey e..................................................................................................................... 2 2

    Figure 1. 2: Photoreceptor density in the retina, courtesy of Utah University (webvision.med.utah.edu)...............................................................................23

    Figure 1.3: Connections in the retina, courtesy of Utah University (webvision.med.utah.edu)...............................................................................24

    Figure 1. 4: A hypercolumn of cells in VI: diagram showing layers, orientation and ocular dominance columns....................................................................... 27

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