Table 1.
Intensity of Routine Surveillance Biopsy Protocol amongst PHTS Centers from 2005 to 2014
| Low | Medium | High | |
|---|---|---|---|
| YEAR 1 | |||
| Infants | 0–4 (n=11) | 5–7 (n=17) | 8 or more (n=6) |
| Children | 0–4 (n=7) | 5–7 (n=15) | 8 or more (n=12) |
| Older Children/Adolescents | 0–4 (n=6) | 5–7 (n=16) | 8 or more (n=12) |
| YEARS 2–5† | |||
| Infants | 0–3 (n=6) | 4 (n=16) | 5 or more (n=12) |
| Children | 0–3 (n=6) | 4 (n=16) | 5 or more (n=12) |
| Older Children/Adolescents | 0–3 (n=5) | 4 (n=17) | 5 or more (n=12) |
| BEYOND 5 YEARS | |||
| Infants | None - every 2 or more years (n=10) | Annually (n=20) | Biannually (n=4) |
| Children | None - every 2 or more years (n=10) | Annually (n=20) | Biannually (n=4) |
| Older Children/Adolescents | None - every 2 or more years (n=10) | Annually (n=20) | Biannually (n=4) |
†
Intensity is based on total number of biopsies performed between year 2 and year 5 after heart transplantation. Values do not represent the number of annual biopsies during this time period.