Table 2

Summary of clinical and imaging findings

Patient no.	Clinical outcome	Length of follow-up	Presentation Bicêtre score	No. of embolisations	Residual shunt	Initial brain imaging	Final brain imaging
1	Intact	2 Years 5 months	16	1	No	Agenesis right tempoparietal lobe	Unchanged
2	Intact	2 Years 8 months	6	2	No	Ventricular dilatation	Left cerebellar infarct
3	Intact	18 Months	21	2	Yes	No parenchymal injury	Venous ischaemia with left frontal haemorrhage
4	Intact	2.5 Years	18	2	No	No parenchymal injury	Bilateral intraventricular haemorrhage with venous infarction, now normal
5	Intact	7 Months	10	2	No	Bilateral frontoparietal infarcts	Unchanged
6	Intact	6 Months	13	1	Yes	Ventricular dilatation/venous ischaemic injury left frontal and parieto-occipital lobes	Unchanged
7	Intact	2 Months	17	2	Yes	No parenchymal injury	Left intraventricular haemorrhage
8	Intact	4 Months	12	1	Yes	Right hemisphere venous ischaemia	None available
9	Intact	1 Year 10 months	8	1	No	No parenchymal injury	Ventricular dilatation
10	Intact	6 Months	21	1	Yes	No parenchymal injury	None available
11	Intact	3 Years	21	5	Yes	No parenchymal injury	Ventricular dilatation
12	Mild impairment	2 Years	21	1	No	Ventricular dilatation	Reduced white matter bulk
13	Mild impairment	3 Years	13	4	No	Ventricular dilatation/right frontal lobe infarct	Unchanged
14	Mild impairment	2 Years 4 months	17	3	No	No parenchymal injury	Mature infarct left posterior cerebral artery territory
15	Severe impairment	5 Years	17	2	Yes	No parenchymal injury	Right jugular bulb stenosis, ventricular dilatation, reduced white matter bulk
16	Severe impairment	4 Years 3 months	7	6	No	Ventricular dilatation/bilateral perisylvian venous ischaemia	Reduced white matter/mature venous ischaemia
17	Severe impairment	2 Years 2 months	9	3	No	None available prior to coil embolisation	Ventricular dilatation/mature right frontal, bilateral parieto-occipital ischaemia/multiple coils in situ
18	Severe impairment	6 Months	11	5	Yes	Reduced while matter bulk	Unchanged
19	Severe impairment	2 Years 2 months	21	4	Yes	Ventricular dilatationl/venous ischaemia	Unchanged
20	Died		3	0	NA	Ventricular dilatation/bilateral parieto-occipital venous ischaemia	Not embolised
21	Died		10	1	NA	Ventricular dilatation	Hydrocephalus/intraventricular haemorrhage/cerebral oedema
22	Died		5	0	NA	Reduced white matter/venous ischaemia frontal lobes	Not embolised
23	Died		8	1	NA	Reduced white matter	Not done as died
24	Died		4	0	NA	Diffuse parenchymal injury	Not embolised
25	Died		21	0	NA	Normal	Not embolised
26	Died		9	0	NA	Diffuse parenchymal injury/ventricular dilatation	Not embolised
27	Intact	13 Years 6 months		3	Yes	Not available	No parenchymal injury
28	Intact	3 Years		5	Yes	Ventricular dilatation	Ventricular dilatation
29	Mild impairment	13 Years 5 months		7	Yes	Ventricular dilatation	Mature right posterior cerebral artery territory infarct
30	Mild impairment	6 Months		2	Yes	Ventricular dilatation/oedema pons, thalami/calcific changes in basal ganglia	Venous congestion/jugular bulb stenosis
31	Mild impairment	3 Months		1	Yes	No parenchymal injury	Mature injury right frontal lobe due to third ventriculostomy
32	Mild impairment	6 Months		3	No	Not available	Venous ischaemia bilateral frontoparietal lobes
33	Severe impairment	8 Years 5 months		2	Yes	Reduced white matter bulk	Ventricular dilatation/caudate injury/thinning of the tectal plate

Cases 1–26 were neonates, cases were 27–33 infants.