Shah Adil Aijaz, Kumar Santosh, Rashid Rizwan Haroon, Noordin Shahryar, Rehman Abdul
Section of Orthopedics, Department of Surgery, Aga Khan University, Karachi, Pakistan, Center for Surgical Trials and Outcomes Research (CSTOR), Johns Hopkins School of Medicine, Baltimore, MD, USA.
Center for Surgical Trials and Outcomes Research (CSTOR), Johns Hopkins School of Medicine, Baltimore, MD, USA.
J Pak Med Assoc. 2014 Dec;64(12 Suppl 2):S95-9.
To evaluate factors associated with revision of dynamic hip screw implant in patients undergoing the procedure for the fixation of intertrochanteric fractures.
The retrospective study was conducted at the Aga Khan University Hospital, Karachi, and comprised records of patients who had undergone dynamic hip screw fixation surgery between 2008 and 2012. Medical records and data for all patients were obtained from the medical records office. For all patients, the record files were systematically reviewed using a structured, pre-defined data extraction sheet. SPSS 20 was used statistical analysis.
Out of 317 patients who had undergone the procedure, 8(2.5%) were excluded due to missing records. The study sample as such stood at 309(97.5%). Of them, 6(1.9%) required revision of the dynamic hip screw placed initially. High tip apex distance was found to be associated with the revision (p<0.0001).Demographic parameters and co-morbid conditions were not associated with a need for revision surgery (p>0.05).
Patients requiring dynamic hip screw implant revision had higher tip apex distance than the rest. A lower value is advisable during placement of the screw to reduce the need for subsequent revision.
评估在接受动力髋螺钉植入术治疗股骨转子间骨折的患者中，与动力髋螺钉翻修相关的因素。
这项回顾性研究在卡拉奇的阿迦汗大学医院进行，纳入了2008年至2012年间接受动力髋螺钉固定手术的患者记录。所有患者的病历和数据均从病历办公室获取。对于所有患者，使用结构化的预定义数据提取表对记录文件进行系统审查。采用SPSS 20进行统计分析。
在317例接受该手术的患者中，8例（2.5%）因记录缺失被排除。研究样本为309例（97.5%）。其中，6例（1.9%）需要对最初置入的动力髋螺钉进行翻修。发现高尖顶距与翻修相关（p<0.0001）。人口统计学参数和合并症与翻修手术需求无关（p>0.05）。
需要进行动力髋螺钉翻修的患者的尖顶距高于其他患者。在置入螺钉时建议采用较低的值以减少后续翻修的需求。
