Table 2 Type of Injury of the Brachial Artery, Characteristics of Pre- and Postoperation CFDU
From: Treatment of pediatric supracondylar humerus fractures accompanied with pink pulseless hands
Case | Type of Brachial Artery Lesion by Pre-op CFDU Detection | Preoperation CFDU | Postoperation CFDU | Collateral Circulation |
|---|---|---|---|---|
1 | Unclear | No | No | Unclear |
2 | Compressed | Narrowed lumen of distal BA Slowed blood velocity of BA, RA, UA VB = 58.4 cm/s; VR = 20.2 cm/s; VU = 15.9 cm/s | Narrowed lumen Slowed blood velocity of BA, RA, UA VB = 156 cm/s; VR = 84.1 cm/s; VU = 34.3 cm/s | Undescribed |
3 | Compressed | Narrowed lumen of distal BA Slowed blood velocity of B, R, U artery | Narrowed lumen Slowed blood velocity of BA, RA, UA VB = 17.4 cm/s; VR = 19.3 cm/s; VU = 25.5 cm/s | Detected |
4 | Compressed | Narrowed lumen of distal BA Slowed blood velocity of BA, RA, UA VB = 20.8 cm/s; VR = 38.5 cm/s; VU = 27.6 cm/s | No | Undescribed |
5 | Unclear | No | Hypoecho and no detected blood flow signal of distal BA and proximal RA thrombus is considered | Undescribed |
6 | Entrapment | Entrapment of BA between fragments Star or dot in shape signal of distal BA Slowed blood velocity of RA, UA VR = 10 cm/s; VB = 10 cm/s thrombus is considered | First time postoperation: VU star or dot in shape signal of distal BA VR = 19.7 cm/s; VB = 20.6 cm/s; collateral circulation is plentiful | Detected |
Second time postoperation: VU star or dot in shape signal of distal BA Slowed blood velocity of RA, UA VR = 38 cm/s; VB = 42 cm/s | ||||
Third time postoperation: Narrowed lumen of distal BA Slowed blood velocity of BA, RA, UA VB = 36.0 cm/s; VR = 13.4 cm/s; VU = 19.7 cm/s Collateral circulation is less than previous A change after thrombus is considered | ||||
7 | Compressed | Narrowed lumen of distal BA Slowed blood velocity of BA | No | Undescribed |
8 | Unclear | No | No | Unclear |
9 | Compressed | Narrowed lumen of distal BA undetected signal of distal BA Slowed blood velocity of RA, UA | No | Undescribed |
10 | Compressed | Narrowed lumen of distal BA Slowed blood velocity of BA, RA, UA | Narrowed lumen of distal BA Slowed blood velocity of BA, RA, UA VB = 6.9 cm/s; VR = 24.4 cm/s; VU = 17.8 cm/s | Undescribed |
11 | Compressed | Narrowed lumen of distal BA Slowed blood velocity of BA, RA, UA | No | Undescribed |
12 | Compressed | Narrowed lumen of distal BA undetected signal of distal BA Slowed blood velocity of RA, UA VR = 11.8 cm/s; VU = 10.6 cm/s A branch of collateral circulation extend to UA | Artery of upper limb is normal VB = 109 cm/s; VR = 55.4 cm/s; VU = 66.7 cm/s | Detected |
13 | Compressed | Narrowed lumen of distal BA Slowed blood velocity of BA, RA, UA | Narrowed lumen of distal BA Slowed blood velocity of BA, RA, UA | Undescribed |