-Case Reports-

Clinical Results of Closed Reduction and Percutaneous Pinning for Gartland Type II Flexion-Type Supracondylar Humeral Fractures in Children: Report of Three Cases

Yuji Tomori, Mitsuhiko Nanno and Tokifumi Majima

Department of Orthopedic Surgery, Nippon Medical School Hospital, Tokyo, Japan

Supracondylar humerus fractures are the most common upper limb injury in children, but the incidence of flexion-type fractures is relatively low. Herein, we report the clinical results for three children with Gartland type II flexion-type supracondylar humeral fractures treated by closed reduction and percutaneous pinning. From April 2004 to March 2020, 102 children with supracondylar humeral fractures underwent surgery at our hospital and related institutions. Four had a flexion-type supracondylar humeral fracture (3.9%). Three patients (1 boy and 2 girls) with Gartland type II flexion-type supracondylar humeral fractures were followed for more than 12 months. The patients were treated by closed reduction and percutaneous pinning. Age was 7-13 years at the time of injury, and the duration of postoperative follow-up was 12-16 months. In one case, ulnar nerve paresis was observed as a preoperative complication. After performing closed reduction, percutaneous Kirschner wire cross-fixation was performed. Subsequently, long upper limb cast fixation was carried out for 4 weeks postoperatively. One patient developed preoperative nerve paralysis but recovered in approximately 3 months, without postoperative complications such as infection, nerve paralysis, or cubitus varus or valgus deformity. Flynn's criteria results were excellent for two patients and good for one patient. To maintain anatomical reduction of the fracture fragment, closed reduction using a traction table and percutaneous steel wire fixation are useful for treating flexion-type supracondylar humerus fractures in children with Gartland type II fractures.

J Nippon Med Sch 2023; 90: 294-300

Keywords
supracondylar humeral fractures, flexion-type fractures, closed reduction, percutaneous pinning, Gartland type II

Correspondence to
Yuji Tomori, MD, PhD, Department of Orthopedic Surgery, Nippon Medical School Hospital, 1-1-5 Sendagi, Bunkyo-ku, Tokyo 113-8603, Japan
s4064@nms.ac.jp

Received, December 16, 2021
Accepted, March 23, 2022