Intensity of arterial structure acquired by Silent MRA estimates cerebral blood flow

Hwang, Zhen-An; Li, Chia-Wei; Lin, Chien-Yuan Eddy; Chen, Jyh-Horng; Chen, Chia-Yuen; Chan, Wing P.

doi:10.1186/s13244-021-01132-0

Insights into Imaging

Table 1 Image intensities in silent MRA and corresponding flow rates determined using 2D PC-MRA

From: Intensity of arterial structure acquired by Silent MRA estimates cerebral blood flow

Participant		R A C A 2	L A C A 2	R A C A	L A C A	R M C A	L M C A	R P C A	L P C A	R V A	L V A	R I C A	L I C A	B A
1	Silent MRA	759	755	832	964	1231	1308	622	665	–	1164	1509	1342	1200
1	Flow rate	95	92	127	152	213	241	116	110	–	188	417	280	197
2	Silent MRA	566	585	599	659	1001	1157	533	560	521	1066	1168	1040	918
2	Flow rate	76	83	114	124	158	223	90	78	33	173	328	188	107
3	Silent MRA	444	704	581	791	981	1020	410	455	642	697	1283	1285	1074
3	Flow rate	66	87	93	138	153	150	100	98	73	115	229	242	157
4	Silent MRA	605	538	697	638	1122	1136	341	689	1023	1085	1281	1373	1113
4	Flow rate	70	55	63	50	158	173	71	96	147	147	359	326	208
5	Silent MRA	495	321	740	489	719	1023	376	554	439	1029	1286	1288	789
5	Flow rate	69	42	281	72	166	232	71	108	39	232	375	379	147
6	Silent MRA	705	578	884	–	1116	1045	689	674	784	752	1275	1180	1030
6	Flow rate	85	40	144	–	139	131	85	83	98	97	314	233	123
7	Silent MRA	586	472	1113	–	862	1014	586	613	813	1128	1364	1195	817
7	Flow rate	93	62	196	–	136	165	67	87	73	150	280	188	129
8	Silent MRA	554	667	453	675	950	842	1326	1087	824	767	1173	1114	901
8	Flow rate	70	85	86	112	182	189	95	73	74	102	312	285	121
9	Silent MRA	370	552	591	738	1081	1095	483	545	730	487	1152	1136	953
9	Flow rate	53	99	122	139	213	188	72	90	153	97	411	319	146
10	Silent MRA	523	444	334	991	1006	1040	632	648	1121	632	1016	1245	1007
10	Flow rate	68	48	23	157	144	143	94	97	187	73	145	227	152
11	Silent MRA	457	448	726	532	962	998	498	439	246	774	1188	1132	659
11	Flow rate	76	71	129	61	218	212	88	80	25	102	452	247	96
12	Silent MRA	663	741	905	652	948	1059	672	627	971	721	1005	1249	1146
12	Flow rate	84	100	158	83	155	233	109	83	128	102	159	192	190
13	Silent MRA	469	585	540	556	885	1002	468	559	1089	349	1285	1401	991
13	Flow rate	59	68	76	78	119	141	52	80	158	46	253	379	194
14	Silent MRA	532	651	1035	777	917	829	516	617	702	568	1261	1164	671
14	Flow rate	70	100	195	114	130	126	68	92	92	56	479	259	121
15	Silent MRA	529	394	669	563	879	865	491	489	828	514	1202	1296	875
15	Flow rate	82	77	138	92	144	131	82	83	124	90	209	294	130
16	Silent MRA	673	648	672	774	1099	1238	700	702	1064	1024	1251	1353	1124
16	Flow rate	81	64	108	110	215	228	102	106	126	125	174	231	159
17	Silent MRA	624	613	617	506	938	1036	538	559	506	655	1202	1162	707
17	Flow rate	79	76	112	59	152	180	88	98	74	111	276	245	109

The RVA data from participant 01 and the LACA data from participants 06 and 07 were excluded from this study due to excessive motion artifacts
Int. Intensity; The unit of flow rate: ml/minutes

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