INTRODUCTION:The role of the volume of radicular and dentigerous cysts on clinical symptoms is unclear and potentially may predict development of pre- and postoperative complications, especially after cystectomies with large bony defects. Therefore the aim of this study was to assess pre- and postoperative symptoms associated to the volume of jaw cysts. MATERIAL AND METHODS:Retrospective chart review of 111 patients with follicular or dentigerous cysts from 2008-2012. Anterior iliac crest grafts were used to fill defects after cystectomy. χ2-test was performed to analyze associations between two qualitative variables. Binary logistic regression analysis was used as multivariate analysis. P-values p < 0.05 were considered as significant. Volume measurement was performed in a semiautomatic segmentation method with the software "ITK-Snap". RESULTS:Postoperative hypaesthesia correlated significantly with histology (p = 0.025) and localization (p = 0.006). Volume was associated significantly with preoperative hypaesthesia (p = 0.052), postoperative hypaesthesia (p < 0.001), wound healing complications (p < 0.001) and length of wound healing complications (p = 0.001). Multivariate analysis identified volume as independent risk factor for postoperative hypaesthesia (p = 0.015). CONCLUSIONS:Volume analysis appears to be a method that allows risk stratification after surgery of jaw cysts. Therefore we recommend a precise treatment planning with the means of volume analysis to improve therapy outcome of patients with jaw cysts.

译文

引言:根管性和牙状囊肿的体积在临床症状上的作用尚不清楚,可能潜在地预测术前和术后并发症的发生,特别是在具有大骨缺损的膀胱切除术之后。因此,本研究的目的是评估与颌骨囊肿体积相关的术前和术后症状。
材料与方法:回顾性分析2008年至2012年间111例滤泡性或齿状囊肿患者的病历。膀胱切除术后,使用前terior骨移植物填补缺损。进行χ2检验以分析两个定性变量之间的关联。二元逻辑回归分析用作多元分析。 P值p <0.05被认为是显着的。使用软件“ ITK-Snap”以半自动分割方法进行体积测量。
结果:术后感觉低下与组织学(p = 0.025)和局限性(p = 0.006)显着相关。容量与术前感觉不足(p = 0.052),术后感觉不足(p <0.001),伤口愈合并发症(p <0.001)和伤口愈合并发症的时间(p = 0.001)显着相关。多变量分析确定了体积为术后感觉不足的独立危险因素(p = 0.015)。
结论:体积分析似乎是一种允许对颌骨囊肿进行手术后进行危险分层的方法。因此,我们建议采用体积分析的方法制定精确的治疗计划,以改善颌骨囊肿患者的治疗效果。

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