Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
Comparison between ours and other studies available in the literature (maximum values shown in parentheses)
| Study | Staff by profession | Hp(10)/ procedure (μSv) | Hp(10)/A (μSv/GBq) | Hp(0.07)/ procedure (μSv) | Hp(0.07)/A (μSv/GBq) | Automatic injector & dispenser |
|---|---|---|---|---|---|---|
| Our study | Technologist | 4.78 (15.64) | 18.55 | 4.37 (15.38) | 16.99 | Yes |
| Nurse | 4.02 (8.83) | 15.61 | 6.55 (28.17) | 25.44 | ||
| Study 1 (ref. 5) | Technologist | 4.2–7.0 | 17–19 | - | - | Yes |
| Study 2 (ref. 6) | Technologist | 2.5±2.1 | - | - | - | Yes |
| Study 3 (ref. 7) | Technologist | 1.72±0.33 / 1.16±0.11 | - | - | - | Yes |
| Study 4 (ref. 8) | Technologist | 4.17 | - | - | - | Yes |
| Study 5 (ref. 15) | Physicians | 2.1 | 6.8 | - | - | No |
| Technologist | 0.6 | 1.9 | ||||
| Study 6 (ref. 17) | Technologist | 4.77±0.52 | 10.3±1.1 | - | - | No |
| Nurse | 5.79±0.59 | 12.5±1.2 | - | - | ||
| Med. physicist | 5.07±0.51 | 10.9±1.1 | - | - | ||
| Study 7 (Ref. 18) | Technologist | - | - | 38.77±7.33 | - | No |
| Nurse | - | - | 59.6±6.33 | - | ||
| Med. physicist | - | - | 203.5±17.74 | - |
Staff cumulative doses and total administered activities for the seven-month period
| Staff | Hp(10) (mSv) | Hp(0.07) (mSv) | Injected 18F-FDG activity (GBq) |
|---|---|---|---|
| Technologist 1 | 0.76±0.21 | 0.50±0.14 | 31±3 |
| Technologist 2 | 0.08±0.02 | 0.27±0.08 | 14.2±1.4 |
| Technologist 3 | 0.37±0.10 | 0.38±0.11 | 25.9±2.6 |
| Technologist 4 | 0.81±0.23 | 0.70±0.20 | 38±4 |
| Nurse 1 | 0.59±0.19 | 1.0±0.3 | 51±5 |
| Nurse 2 | 1.1±0.4 | 1.7±0.6 | 58±6 |
Normalised monthly doses per unit of injected activity
| Hp(10)/A (μSv/GBq) | Hp(0.07)/A (μSv/GBq) | |||
|---|---|---|---|---|
| Technologists | Nurses | Technologists | Nurses | |
| June | 9.2±2.7 | 18±6 | 9±3 | 40±14 |
| July | 42±13 | 23±8 | 40±12 | 30±10 |
| August | 19±6 | 9±3 | 3.2±1.0 | 13±4 |
| September | 20±6 | 18±6 | 35.±10 | 31±10 |
| October | 24±7.1 | 20±7 | 10±3 | 30±10 |
| November | 5.3±1.6 | 9±3 | 16±5 | 12±4 |
| December | 19±6 | 20±7 | 16±5 | 36±13 |
Period under consideration, number of PET/CT workdays, number of PET/CT procedures and total injected activity
| Observed period (month) in 2018 | Number of PET/CT workdays | Number of PET/CT procedures | Total injected 18F-FDG activity (GBq) |
|---|---|---|---|
| June | 6 | 44 | 11.7 |
| July | 7 | 53 | 14.2 |
| August | 8 | 62 | 15.7 |
| September | 7 | 47 | 12.3 |
| October | 10 | 76 | 19.5 |
| November | 11 | 85 | 21.3 |
| December | 8 | 56 | 14.3 |
| Total: | 57 | 423 | 109.0 |