Lutter Christoph, Pfefferkorn Ronny, Schoeffl Volker
CVPath Institute, Gaithersburg, Maryland, USA Department of Sports Orthopedics, Sports Medicine, Sports Traumatology, Department for Orthopedics and Traumatology, Klinikum Bamberg, Bamberg, Germany.
Department of Sports Orthopedics, Sports Medicine, Sports Traumatology, Department for Orthopedics and Traumatology, Klinikum Bamberg, Bamberg, Germany.
BMJ Case Rep. 2016 Jul 19;2016:bcr2016216336. doi: 10.1136/bcr-2016-216336.
Blunt vessel injuries of peripheral arteries caused by a direct trauma are rare. Studies have described the frequency of arterial ruptures following closed elbow dislocations in 0.3-1.7% of all cases. However, arterial damage does not always necessarily appear as a complete rupture of the vessel with a loss of peripheral circulation and ischaemic symptoms; a relatively strong periarticular system of collaterals can maintain circulation. Furthermore, the traumatic dislocation can also cause intimal tears, arterial dissections and aneurysms or thrombosis. In all cases of vessel injury, including total disruption, a peripheral pulse might still be palpable. 3 weeks after an acute elbow dislocation, we have diagnosed a patient with a long-segment stenosis of the brachial artery and a thrombosis of the radial artery. Therefore, the close anatomic proximity to the neurovascular structures should always be considered in cases of elbow dislocations, even if peripheral pulses are traceable.
由直接创伤导致的外周动脉钝性血管损伤较为罕见。研究表明,在所有闭合性肘关节脱位病例中,动脉破裂的发生率为0.3%-1.7%。然而,动脉损伤并不一定总是表现为血管完全破裂并伴有外周循环丧失和缺血症状;相对强大的关节周围侧支循环系统可维持血液循环。此外,创伤性脱位还可导致内膜撕裂、动脉夹层、动脉瘤或血栓形成。在所有血管损伤病例中,包括完全断裂,外周脉搏仍可能可触及。急性肘关节脱位3周后,我们诊断出一名患者患有肱动脉长段狭窄和桡动脉血栓形成。因此,即使外周脉搏可触及,在肘关节脱位病例中也应始终考虑到其与神经血管结构的解剖位置密切。