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Antibody Mediated Rejection in Heart Transplantation

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Desensitization Protocol:<br />

Manag<strong>in</strong>g Refractory Antibodies<br />

• Some patients have a<br />

persistently elevated<br />

PRA despite<br />

plasmapheresis, IV Ig<br />

and rituximab<br />

Median fluorescent <strong>in</strong>tensity<br />

20000<br />

18000<br />

16000<br />

14000<br />

12000<br />

10000<br />

8000<br />

6000<br />

4000<br />

2000<br />

0<br />

Drop after 1 st<br />

round of PP, IV<br />

Ig, ritux<br />

Rebound after 2 nd<br />

round of IV Ig, ritux<br />

1/4/09 3/3/09 3/26/09 4/22/09<br />

DR7<br />

DQ7<br />

DQ9<br />

B78<br />

B51<br />

Drop after<br />

bortezomib

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