• Hyoung-Keun Oh, Suk-Kyu Choo, Ji-Wan Kim, and Mark Lee.
• Department of Orthopedic Surgery, Ilsan Paik Hospital, Inje University, Republic of Korea. Electronic address: osd11@paik.ac.kr.
• Injury. 2015 Dec 1; 46 (12): 2512-5.

BackgroundWe present the surgical technique of separate vertical wiring for displaced inferior pole fractures of the patella combined with Krachow suture and report the surgical outcomes.Materials And MethodsBetween September 2007 to May 2012, 11 consecutive patients (mean age, 54.6 years) with inferior pole fractures of the patella (AO/OTA 34-A1) were retrospectively enrolled in this study. Through longitudinal incision, all patients underwent open reduction and internal fixation by separate vertical wiring combined with Krackow suture. The range of motion, loss of fixation, and Bostman score were primary outcome measures.ResultsThe union time was 10 weeks after surgery on average (range: 8-12). No patient had nonunion, loss of reduction and wire breakage. There was no case of wound problem and irritation from the implant. At final follow-up, the average range of motion arc was 129.4° (range: 120-140). The mean Bostman score at last follow-up was 29.6 points (range: 28-30) and graded excellent in all cases.ConclusionSeparate vertical wiring combined with Krackow suture for inferior pole fractures of the patella is a useful technique that is easy to perform and can provide stable fixation with excellent results in knee function.Copyright © 2015 Elsevier Ltd. All rights reserved.

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