Table 1.
Common methods used in diagnosis of viral infections after transplantation
Methods | Sensitivity * | Specificity # | Time § | Virus | Comments |
---|---|---|---|---|---|
Culture |
+++ |
++++ |
+ |
HSV, CMV, VZV, Influenza virus, RSV, PIV, adenovirus |
Gold standard |
May take weeks before results return | |||||
Shell vial culture |
++ |
+++ |
++ |
HSV, CMV, VZV, Influenza virus, RSV, PIV, adenovirus |
Reduce the testing time compared with culture |
Antigen detection |
++ |
++++ |
++++ |
Most CARVs, herpesviruses, adenovirus |
Quick results |
Poor sensitivity | |||||
PCR |
++++ |
+++ |
+++ |
All are possible |
Quick results |
High sensitivity | |||||
Histopathology and immunohistochemistry |
NA |
NA |
NA |
All are possible |
Detect viruses in tissue |
Electron microscopy |
++ |
NA |
++++ |
All are possible |
Require facility and experienced staff |
Serology | NA | NA | NA | NA | Less helpful in diagnosis |
* “+” –“++++” indicated low sensitivity to high sensitivity; # “+” –“++++” indicated low specificity to high specificity; § “+” –“++++” indicated long testing time to short testing time. NA indicated not applicable.