Abstract

Objective To explore the clinical efficacy and feasibility of 120° Locking compression pediatric hip plate (120°LCP PHP) for DelbetⅣ type femoral neck fractures in pediatric patients. Methods A retrospective study was conducted for 21 children of DelbetⅣ type femoral neck fractures from October 2014 to June 2009. They were divided into PHP and control groups according to the type of internal fixtures. Ten cases in PHP group were fixed with 120 LCP PHP while 11 cases in control group received non LCP PHP plate. Two groups were compared with regards to operative duration, intraoperative blood loss, length of incision, wound healing time, fracture healing time, complications, Haidukewych score and Ratliff score. Results The mean followed-up periods of PHP and control groups was (23.2±2.1) (12-46) and (22.7±1.8)(13-42) months respectively. Length of incision, wound healing time, Haidukewych score and Ratliff score of two groups had no significant difference. PHP group had shorter operative duration [(70.2±15.7)min vs. (85.9±17.1)min, P<0.05], less intraoperative blood loss [(62.2±12.7)ml vs.(76.6±15.4)ml, P<0.05], shorter fracture healing time [(13.2±2.0)weeks vs.(16.0±1.6)weeks, P<0.05] and fewer complications [10%(1/10)vs. 54.5%(6/11), P<0.05]. And the differences were statistically significant. Conclusions 120°Locking compression pediatric hip plate is efficacious for DelbetⅣ type femoral neck fractures in children.With proximal femoral anatomy and biomechanical characteristics of proximal femur in children, it has shorter operative duration, less intraoperative blood loss and shorter fracture healing time so as to reduce complications and effectively restore hip joint functions. Key words: Femoral neck fractures; Internal fixation; Comparative study

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