Table 3 Studies reporting fetal doses for ventilation scintigraphy (nfs not further specified)
Author | Fetal dose (mGy) | |||||
|---|---|---|---|---|---|---|
1st trimester | 2nd trimester | 3rd trimester | Activity | Radionuclide | Specials | |
Nijkeuter 2004 [24] | 0.0001 | Trimester nfs | 600 MBq | 81mKr-aerosol gas | 2 min rebreathing | |
Hurwitz 2006 [21] | 0.15 | – | 0.02 | 370 MBq | 133Xe-aerosol gas | 5 min rebreathing |
Hurwitz 2006 [21] | 0.04 | – | 0.01 | 740 MBq | 133Xe-aerosol gas | Breathhold |
Russel 1997 [38] | 0.000015–0.000048 | Trimester nfs | nfs | 133Xe-aerosol gas | Rebreathing | |
NRPB 1993 [30] | 1.5 | Trimester nfs | nfs | 99mTc-aerosol | – | |
ICRP 2000 [29] | 0.1–0.3 | – | 0.1 | 40 MBq | 99mTc-aerosol | – |
Russel 1997 [38] | 0.17 | 0.092 | 0.12 | 40 MBq | 99mTc-aerosol | – |