Grundberg A B
Clin Orthop Relat Res. 1980 Nov-Dec(153):226-9.
Seven patients were operated on four to 26 weeks after sustaining a traumatic boutonnière deformity. The operation recommended is excision of 3 mm of central slip followed by end-to-end repair of the tendon. The postoperative average motion for the group was 7 degrees to 89 degrees at the PIP joint and 7 degrees to 51 degrees at the DIP joint.
7例患者在创伤性纽扣指畸形发生后4至26周接受了手术。推荐的手术方法是切除3毫米的中央束，然后进行肌腱端端修复。该组患者术后近端指间关节平均活动度为7度至89度，远端指间关节平均活动度为7度至51度。
