Table 7.
Clinical outcomes of IGABT reported in studies.
| Study | IGABT technique | No. of patients | OS | LC |
|---|---|---|---|---|
| Pötter et al. (7) | MRI | 156 | 68% (3-year) | 95% (3-year) |
| Charra-Brunaud et al. (8) | CT/MRI (group 3, 3D arm) | 117 | 74% (2-year) | 78.5% (2-year) |
| Lindegaard et al. (6) | MRI (group MR-IGABT) | 140 | 79% (3-year) | 91% (3-year) |
| Nomden et al. (25) | MRI | 46 | 65% (3-year) | 93% (3-year) |
| Rijkmans et al. (5) | CT/MRIa (group IGABT) | 83 | 86% (3-year) | – |
| Sturdza et al. (28) | CT/MRIb | 731 | 65% (5-year) | 89% (5-year) |
| Kamran et al. (27) | MRI (group MR-IGABT) | 29 | 84% (2-year) | 96% (2-year) |
| van Dyk et al. (17) | MRI/USc | 191 | 63% (5-year) | 86% (5-year) |
| Horeweg et al. (29) | CT/MRId | 155 | 65.9% (5-year) | 90.4% (5-year) |
| Wu et al. (18) | CT/MRI | 49 | 90% (2-year) | 90% (2-year) |
| Horne et al. (26) | MRI | 239 | 72.7% (5-year) | 90.8% (5-year) |
| Gill et al. (30) | CT/MRIe | 128 | 85% (2-year) | 92% (2-year) |
| Present study | MRI | 97 | 83.5% (2-year) | 94.8% (2-year) |
In group IGABT, 48.2% of patients underwent MRI scanning for all fractions, 38.6% of patients underwent MRI and CT for different fractions, and 13.3% of patients underwent only CT. Pelvic recurrence was found in 7% at 3 years for the MR-IGABT group.
In this study, 80.9% of patients underwent MR-IGABT for at least one fraction and for 19.1% of patients, only CT was used.
All patients underwent MRI and transabdominal ultrasound imaging with applicators in situ at the first brachytherapy fraction and ultrasound imaging alone at subsequent fractions.
In this study, 72.3% MRI scanning was used for all fractions, 23.9% of patients underwent MRI and CT for different fractions, and 3.9% of patients underwent only CT.
All patients underwent MR-IGABT for at least one fraction.