Table 3

Clinical outcome including magnetic resonance angiography/magnetic resonance imaging demonstration of residual shunt, neurological development, and number of procedures performed in the first year of life

PatientTiming and nature of interventionDuration of ventilation (days)*Length of hospital stay (days)Age at latest follow up (months)Clinical findingsFollow up neuroradiology
*Includes nasal continuous positive airway pressure.
TV, Transvenous approach; TA, transarterial approach; TT, transtorcular approach; CPAP, continuous positive airway pressure; CT, computed tomography; MRI, magnetic resonance imaging; AVM, arteriovenous malformation.
1TV (2 days), TT (6 days), TA (39 days)15 (25 CPAP)5145Age appropriate developmentNormal CT MRI at 12 months
2TA (6 months), TA (7 months), TA (7 months)1840Age appropriate developmentCT scan normal at 22 months
3TT (2 days)110Died at day 2Died
4TV (3 days), TA (13 months), TA 20 months), TA 22 months)153236Moderate developmental delayCT scan at 17 months: small R parietotemporal infarct
5TV (4 days), TA (7 days), TV (13 days), TA (12 months)143224Age appropriate developmentCT scan normal at 12 months; complete obliteration AVM
6TV+TA (6 days)52048Age appropriate developmentCT scan normal at 24 months
7TV (1 day), TV (2 days), TV + TT (11 days)26260Died at day 24CT scan at day 17: diffuse anoxic brain injury
8TV (2 days), TA (6 days), TA (22 days)729 days10Age appropriate developmentMRI normal at 8 months
9TV (1 day), TA (3 days), TA (8 days), TA (14 days)1439 days1DiedSevere ischaemic cortical injury