• Jun-Gyu Moon, Nitin Bither, Young-Jin Jeon, and Sung-Mok Oh.
• Department of Orthopaedic Surgery, Korea University Guro Hospital, 97 Gurodong-gil, Guro-gu, Seoul, 152-703, Korea, moonjg@korea.ac.kr.
• Arch Orthop Trauma Surg. 2013 Dec 1; 133 (12): 166516681665-8.

AbstractVarus posteromedial rotatory instability refers to one of the complex elbow fracture-dislocation caused by anteromedial coronoid fracture with disruption of lateral collateral ligament (LCL). Recent clinical and biomechanical studies have demonstrated that this unstable complex injury resulted in incongruence of joint, which could lead to early posttraumatic arthritis. With reports of poor result after conservative treatment, surgical treatment including anteromedial fixation and LCL repair has been strongly recommended to achieve stable joint. This case series describes three patients with anteromedial coronoid fracture who were managed conservatively with excellent outcomes. This report suggests that anteromedial coronoid fracture associated with posteromedial rotatory instability might be treated using conservative treatment in selective cases when anteromedial coronoid fracture is minimally displaced and there is no evidence of elbow subluxation.

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