Table 1.
Table showing all the reported cases of hydrophilic polymer embolization following flow diversion of cerebral aneurysms.
| Author, year | Study type | Number of cases | Aneurysm location | Symptoms | Symptoms onset | Diagnosis | Treatment | Outcome |
|---|---|---|---|---|---|---|---|---|
| Cruz,7 2014 | Case series | Patient # 1 | Supraclinoid aneurysm | Not available | 4 months | MRI: NICE | N/A | N/A |
| Patient # 2 | Cavernous ICA aneurysm | Asymptomatic | 3 months | MRI: NICE | Antibiotics | N/A | ||
| Hu,23 2014 | Case series | Patient # 1 | Paraophthalmic aneurysm | Parenchymal hemorrhage | 3 days | Autopsy: foreign body reaction | None | Death |
| Patient # 2 | Paraophthalmic aneurysm | Parenchymal hemorrhage | 6 days | Autopsy: foreign body embolic | None | Death | ||
| Patient # 3 | Paraophthalmic aneurysm | Parenchymal hemorrhage | 2 weeks | Foreign body embolic occlusion | None | Death | ||
| Shapiro,4 2015 | Case series | Patient # 1 | Trigeminal aneurysm | Fatigue, left-sided weakness and quadrantanopsia | 8 weeks | NICE with SWI artifacts | Antibiotics and steroids | Recovery |
| Patient # 2 | Right ICA aneurysm | Fatigue, headache | 8 weeks | MRI: right parieto-occipital hematoma, with NICE | Dexamethasone | Recovered | ||
| Patient # 3 | Paraophthalmic aneurysms | Headache | 2 weeks | MRI: NICE Biopsy: giant cell granulomas | Six-week course of corticosteroids | Improvement | ||
| Patient # 4 | Paraophthalmic aneurysm | Seizure | 3 months | MRI: NICE and SWI. Biopsy: granulomatous angiitis | Antiepileptics and steroids | Not available | ||
| Shotar,21 2016 | Case report | Patient # 1 | Ophthalmic aneurysm | Seizure at 17 months | 17 months | Biopsy: leukocytoclastic vasculitis | Antiepileptics and steroids | Recovery |
| Lorentzen,3 2016 | Case report | Patient # 1 | Paraophthalmic aneurysm | Headache followed by aphasia and hemiparesis | 3 months | MRI: NICE Biopsy: non-polarizable foreign material surrounded by giant cell granulomas | Steroids | Improvement with residual headache |
| Sablani,1 2018 | Case report | Patient # 1 | Supraclinoid carotid | Headache, weakness and numbness | 3 days | MRI: NICE | Steroids | Recovery |
| Brinjikji,13 2018 | Case report | Patient # 1 | Paraophthalmic aneurysm | Headache and word-finding difficulty | 2 months | MRI: NICE | Steroids | Recovery |
| Daneshmand,25 2018 | Case report | Patient # 1 | Supraclinoid carotid artery | Seizure | 1 year | MRI: NICE | Steroids | Recovery |
| Geisbush,2 2019 | Case report | Patient # 1 | Supraclinoid aneurysm | Headache, numbness and weakness | 1–2 months | MRI: NICE | Steroids | Improvement with residual headache |
Abbreviations: MRI: magnetic resonance imaging; NICE: non-ischemic contrast enhancement with surrounding edema; ICA: internal carotid artery; SWI: susceptibility weighted images; N/A: not available.