Kwai Ben I, Elliot D
St Andrew's Centre for Plastic Surgery, Broomfield Hospital, Chelmsford, UK.
J Hand Surg Br. 1998 Oct;23(5):649-54. doi: 10.1016/s0266-7681(98)80020-x.
The need for lateral release or "venting" of the A2 and A4 pulleys either to facilitate repair of the flexor tendon(s) or to allow free gliding of the repair(s) was examined in 126 consecutive zone 2 flexor tendon injuries within the tendon sheath and distal to the distal edge of the A2 pulley (zones 2A and 2B of Tang's classification) in which at least one flexor tendon had been completely divided. This study showed that 81 (64%) of these repairs required venting of one or the other pulley. It was necessary to vent the A4 pulley between 10 and 100% of its length in 71 (56%) of the fingers and to vent the distal edge of the A2 pulley by 4 to 10 mm in 10 (8%) of the fingers.
在126例连续的腱鞘内、A2滑车远侧缘远侧的2区屈肌腱损伤（Tang分类的2A和2B区）中，研究了对A2和A4滑车进行外侧松解或“减压”的必要性，这些损伤中至少有一条屈肌腱完全断裂。本研究表明，这些修复中有81例（64%）需要对其中一个滑车进行减压。71例（56%）手指的A4滑车需要在其长度的10%至100%之间进行减压，10例（8%）手指的A2滑车远侧缘需要减压4至10毫米。
