相关实验视频
Updated: Feb 6, 2026

10:10
Reverse Total Shoulder Arthroplasty
Published on: July 5, 2011
44.0K
在全膝关节整形术中无图像导航的验证,使用术后放射学方法
Michelle A Zabat1, Benjamin Fiedler1, Jeffrey M Muir2
1Department of Orthopaedic Surgery, NYU Langone Orthopedic Hospital, New York City, New York.
Bulletin of the Hospital for Joint Disease (2013)
|February 4, 2026
概括
计算机辅助导航系统 (CAS) 准确地指导全膝关节整形术 (TKA) 的对齐. 手术后的X光照证实了机械侧偏远大腿角 (mLDFA) 和机械中位近腰角 (mMPTA) 的CAS测量没有显著差异.
科学领域:
- 整形外科手术 整形外科手术
- 医疗技术 医疗技术 医学技术
- 生物机械工程 生物机械工程
背景情况:
- 计算机辅助导航系统 (CAS) 越来越多地用于全膝关节整形术 (TKA).
- 在TKA中验证CAS准确性对于可靠的外科手术结果至关重要.
- 这项研究评估了一种新的无图像CAS与放射测量相比.
研究的目的:
- 用无图像CAS测量的对齐参数与术后放射图上的对齐参数之间的差异的量化.
- 在TKA程序中验证CAS反的准确性.
- 评估CAS在实现TKA调整目标方面的临床实用性.
主要方法:
- 对从58名接受导航初级TKA的患者前性收集数据的回顾性分析.
- 在手术期间的CAS测量与在术后放射图上测量的对齐参数 (部-膝盖-脚轴,mLDFA,mMPTA) 相比较.
- 使用双尾t试验进行统计比较.
主要成果:
- 在mLDFA (P = .1) 和mMPTA (P = .06) 的CAS和放射测量之间没有发现显著差异.
- 平均差异很小:mLDFA的0.5° ± 1.5°和mMPTA的0.7° ± 1.5°.
- 手术后的X线图对齐平均为关节-膝盖-脚轴的177.6°±2.1°,为股骨骨角的176.0°±9.6°.
结论:
- 无图像CAS显示了TKA对齐的准确的手术内测量.
- CAS测量与手术后的放射性结果密切相关.
- 这项研究支持CAS对于精确的TKA对齐的临床实用性.
相关概念视频
Reliability and Validity
14.0K
Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.
14.0K
Knee Joint
3.3K
The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris...
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris...
3.3K
Data Validation
2.0K
Method validation is a crucial process in analytical chemistry designed to confirm that a given method consistently produces reliable and high-quality results. This process is essential when a method is applied to different sample matrices or when procedural modifications are made, ensuring that the results meet acceptable standards across various applications.
Key parameters for method validation include:
Key parameters for method validation include:
2.0K
Data Validation
6.8K
Data validation is an essential part of a comprehensive assessment. Validation is confirming or verifying and opening the door to gathering more assessment data as it clarifies vague or unclear data. The process of checking and verifying the collected information is called data validation. The primary purpose of data validation is to ensure data is as free from error, bias, and misinterpretation as possible.
Nursing assessment guides are generally based on holistic models rather than medical...
Nursing assessment guides are generally based on holistic models rather than medical...
6.8K
Peripheral Artery Disease V: Postoperative Nursing Management
415
During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...
415
Total Voids in Concrete
492
Total voids in concrete encompass gel water volume, capillary pores, and entrapped air. Gel water (retained within the cement hydration products) and physically entrapped or adsorbed water are significant for the hydration process. For complete hydration, it's estimated that the space needed for the products of a cubic centimeter of cement doubles. Capillary pores constitute the unoccupied space within the hydrated cement paste, with their size largely influenced by the water-to-cement...
492

