Brain Reorganization in Patients with Brachial Plexus Injury: A Longitudinal Functional MRI Study

Table 1

Clinical findings and treatment of 20 patients with brachial plexus injury.

Patient ID	Age	Sex	Injured side	Location of paralysis	MMT score of Bi	Term from injury to surgery (months)	Type of operation	1st fMRI (months after injury)	2nd fMRI (months after injury/after surgery)	3rd fMRI (months after injury/after surgery)	4th fMRI (months after injury/after surgery)
1	27	M	R	C5-7	0	2	ICN3,4 → MC	2	11/8	23/20	35/32
2	18	M	R	Subclavian	0	2	LC-MC, LC-Rad (nerve grafting)	2	11/8	20/17	33/31
3	41	M	R	C5,6 + Subclavian	0	2	C6-MC (nerve grafting)	2	11/8	20/17	34/31
4	34	M	L	Complete	0	5	ICN3,4 → MC	2	14/9	23/18	34/31
5	22	F	R	Complete	1	3	ICN3,4 → MC, ICN5,6 → TD	3	12/8	22/18
6	22	M	L	C5,6	2	3	Ac → SS, TD → Ax	3	13/10
7	19	M	R	SS + Ax	5	5	ST-SS, PC-Ax (nerve grafting)	5	14/9	23/17
8	34	M	R	C5-8	0	2	ICN3,4 → MC ICN5,6 → TD	0	11/9	22/20
9	20	M	R	Subclavian	0	4	LC-MC, PC-Ax (nerve grafting)	4
10	21	M	R	Subclavian	3	3	LC-Rad (nerve grafting)	3	13/10
11	20	M	L	C5-7	0	4	ICN3,4 → MC Ac → SS TD → Ax	3	13/9	24/20
12	20	M	R	Complete	0	3	ICN3,4 → MC ICN5,6 → TD	3	13/9	24/20
13	26	M	R	Complete	0	1	ICN3,4 → MC ICN5,6 → TD	0	9/7
14	21	M	R	C5-7	1	2	LPN → Ax	1	14/11
15	30	M	L	C5-7	0	2	ICN3,4,5 → MC Ac → SS	1	14/12
16	18	M	L	Complete	0	3	ICN3,4 → MC ICN5,6 → TD	1
17	20	M	R	Complete	0	3	ICN3,4 → MC ICN5,6 → TD	2	14/10
18	22	M	R	Complete	0	2	ICN3,4 → MC ICN5,6 → TD	1	11/9
19	32	M	L	Complete	0	1	ICN3,4,5 → MC ICN6,7 → TD	1
20	35	M	R	Complete	0	1	ICN3,4 → MC ICN5,6 → TD	1

Abbreviations: Ac: accessory nerve, Ax: axillary nerve, Bi: biceps brachii muscle, ICN: intercostal nerves, LC: lateral cord, LPN: lateral pectoral nerve, LPN: lateral pectoral nerve, MC: musculocutaneous nerve, MMT: manual muscle test, PC: posterior cord, Rad: radial nerve, SS: suprascapular nerve, ST: superior trunk, TD: thoracodorsal nerve, and →: nerve transfer.