Research Article
Transient Global Amnesia following Neural and Cardiac Angiography May Be Related to Ischemia
Table 1
Data of the nine patients with TGA following angiography.
| | Pt | G/A | Preoperative diagnosis | Past history | Angiography | TGA | Follow-up (month) | | Type | Approach | Condition of VA and rSCA | Contrast agent | Dose (ml) | Length (hr) | Examination after TGA | Results of imagine |
| | 1 | M/57 | Aneurysm | HT | NA | TFA | Normal | Iohexol 300 mgL/mL | 85 | 18 | MRI, MRA (12 hr) | Negative | 6 months, normal MRI | | 2 | F/43 | Ependymoma | Normal | NA | TFA | Normal | Iohexol 300 mgL/mL | 72 | 24 | CT (18 hr) | Negative | — | | 3 | M/56 | Spinal AVF | Fracture | NA | TFA | Normal | Iohexol 300 mgL/mL | 98 | 8 | CT (3 hr) | Negative | — | | 4 | M/73 | Stroke | HT, DM | NA, VA angioplasty | TFA | Severe stenosis in VA | Iodixanol 270 mgL/mL | 164 | 20 | MRI (26 hr) Ultrasound | Small acute infarction in hippocampus | 6 months, normal MRI | | 5 | M/60 | VA stenosis | HT, HL | NA, VA angioplasty | TFA | Severe stenosis in VA | Iohexol 300 mgL/mL | 125 | 12 | CT (6 hr) | Negative | 12 months, normal MRI | | 6 | M/76 | AMI | HT, DM | CA, angioplasty | TRA | Moderate stenosis in rSCA | Iodixanol 270 mgL/mL | 140 | 20 | MRI (5 hr) | Negative | — | | 7 | F/58 | Stable angina | HL | CA | TRA | Normal | Iohexol 350 mgL/mL | 56 | 3 | CT (24 hr) | Negative | — | | 8 | F/67 | Follow-up of CABG | Migraine | CA | TFA | Mild AS in rSCA | Iohexol 350 mgL/mL | 75 | 24 | CT (3 hr) | Negative | 8 months, normal MRI | | 9 | M/72 | Stable angina | DM | CA | TRA | Mild AS in rSCA | Iohexol 350 mgL/mL | 66 | 10 | MRI (28 hr) | Small acute infarction in hippocampus | — |
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AMI: acute myocardial infarction; AS: atherosclerosis; AVF: arteriovenous fistula; CA: cardiac angiography; CABG: coronary artery bypass graft; CT: computed tomography; DM: diabetes mellitus; F: female; G/A: gender/age; HL: hyperlipemia; HT: hypertension; M: male; MRI: magnetic resonance imaging; NA: neural angiography; Pt: patient; rSCA: right subclavian artery; TFA: transfemoral approach; TGA: transient global amnesia; TRA: transradial approach; VA: vertebral artery; —: lost follow-up.
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