Table 2. Characteristics and results of the computer-assisted literature search strategy.
| Search terms | Numbers of hits | ||
|---|---|---|---|
| PubMed* | Embase† | Cochraneǂ | |
| #1. “Abnormally invasive placenta” [key word] | 105 | 87 | 7 |
| #2. “Placental abnormalities” [key word] | 206 | 208 | 14 |
| #3. “Placenta Accreta” [MeSH] | 1,247 | 2,308 | 61 |
| #4. “Placenta accreta spectrum” [key word] | 88 | 168 | 1 |
| #5. “Placenta increta” [key word] | 170 | 528 | 18 |
| #6. “Placenta percreta” [key word] | 307 | 763 | 18 |
| #7. “Placenta Previa” [MeSH] | 854 | 3,133 | 8 |
| #8. “Postpartum Hemorrhage” [MeSH] | 3,732 | 8,346 | 61 |
| #9. “Aorta, Abdominal” [MeSH] | 1,949 | 6,075 | 20 |
| #10. “Balloon Occlusion” [MeSH] | 1,141 | 5,025 | 10 |
| #11. “Common iliac artery” [key word] | 440 | 2,033 | 5 |
| #12. “Embolization, Therapeutic” [MeSH] | 13,924 | 2,210 | 7 |
| #13. “Endovascular Procedures” [MeSH] | 41,177 | 6,681 | 27 |
| #14. “Iliac Artery” [MeSH] | 1,762 | 6,268 | 8 |
| #15. “Internal iliac artery” [key word] | 468 | 1,921 | 1 |
| #16. “Therapeutic Occlusion” [MeSH] | 14,014 | 2,679 | 6 |
| #17. “Radiology, Interventional” [MeSH] | 544 | 10,920 | 60 |
| #18. “Uterine Artery” [MeSH] | 1,252 | 3,445 | 18 |
| #19. “Uterine Artery Embolization” [MeSH] | 943 | 1,223 | 3 |
| #1 and #13 | 0 | 2 | 0 |
| #3 and #13 | 11 | 12 | 0 |
| #3 and #16 | 233 | 5 | 0 |
| #6 and #13 | 2 | 3 | 0 |
| #8 and #10 | 259 | 35 | 4 |
| #8 and # 11 | 1 | 27 | 0 |
| #8 and #19 | 170 | 221 | 1 |
MeSH indicates Medical Subject Heading. *, limits: human, female and publication date from January 2007 and September 2019 inclusively. †, limits: human, women, article, publication date from January 2007 and September 2019 inclusively, and article. ǂ, limits: publication date from January 2007and September 2019 inclusively.