• Di Lu, Te Wang, Hua Chen, and Liao-Jun Sun.
• From Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109 Xueyuanxi Road, Wenzhou, 325000, China.
• Eur. J. Pediatr. 2017 May 1; 176 (5): 615-620.

AbstractThe objective of this study was to prospectively compare the incidence of pin tract infection in pediatric supracondylar humerus fractures managed with pin care daily or every other day or weekly. We hypothesized that there were some differences between these three methods. From June 2012 to May 2015, 135 children with supracondylar humerus fractures were randomized to postoperative pin care by cleaning pin tracts daily (group A, 45 cases) or cleaning every 2 days (group B, 45 cases) or cleaning weekly (group C, 45 cases). The three groups were comparable with respect to age, gender, affected side, body mass index (BMI), fracture type, injury to surgery time, number of intraoperative percutaneous pinning, and follow-up time. We collected data on pin retention time, union time, and pin tract infection. The average follow-up time of group A was 4.5 ± 1.3 and 4.2 ± 1.6 months in group B and 4.3 ± 1.4 months in group C. The patient demographics and intraoperative variables of three groups were comparable. No significant difference between these three groups was found in union time and pin fixation time. Of the 135 children, 48 (35.6%) cases had pin tract infection. Grade I infections (Checketts-Otterburns classification) occurred around 28.9% of 270 pin and grade II around 6.7%. We found no differences between three groups as regards frequency and severity of pin tract infections (both P > 0.05). However, complain of pain was more frequent in group A than other two groups (P < 0.05).

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