术前计算机断层扫描可以准确评估骨矿物质密度,以选择膝关节全关节整形术中的骨固定
Yoshinori Mikashima1, Hitoshi Imamura1, Koichiro Yano2
1Oume Knee Surgery Center, Takagi Hospital, Tokyo, Japan.
概括
通过CT测量的术前骨矿物质密度 (BMD) 准确地预测了无水泥全膝关节整形手术 (TKA) 的手术内无骨耐久性 (ICBD). 骨 BMD 46.4 HA/cm3 表示适合无固定.
科学领域:
- 整形外科手术 整形外科手术
- 生物医学工程 生物医学工程
- 放射学 放射学是一门学科.
背景情况:
- 无水泥全膝关节整形术 (TKA) 的成功取决于近端骨质量.
- 准确的骨质的术前评估对于选择合适的固定方法至关重要.
研究的目的:
- 用计算机断层扫描 (CT) 评估手术前骨矿物质密度 (BMD) 与TKA中的手术内无骨耐用性 (ICBD) 之间的关系.
- 为了确定基于CT的骨BMD是否可以预测TKA中无固定的适用性.
主要方法:
- 一个回顾性队列研究包括74个TKA (50个无水泥,24个水泥).
- 在手术前测量了骨 BMD (CT) 和骨 BMD (DXA).
- 在经过手术后的无骨骨耐用性 (ICBD) 通过在收集的骨样本上使用推力张力计进行评估.
- 计算了皮尔森相关性来分析BMD和ICBD之间的关系.
主要成果:
- 骨 BMD,骨 BMD 和 ICBD 在无组与组相比显著更高 (P < 0.01).
- 在骨BMD和ICBD之间发现了非常强的正相关性 (r = 0.88,P < 0.01).
- 在部BMD和ICBD之间观察到强烈的正相关性 (r = 0.62,P < 0.01).
- 在无固定过程中,发现的骨骨膜的切线值为46.4HA/cm3.
结论:
- 基于CT的骨BMD是一种准确,简单和潜在的有价值的工具,用于评估近道骨质量.
- 这种评估可以帮助确定TKA中无固定的指示.
- 无固定的建议切断值为 46.4 HA/cm3 的骨 BMD 和 55.7 N 的 ICBD.
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