Quantitative assessment of the course of distal radioulnar joint instability.

IF 0.9 Q4 REHABILITATION
Hand Therapy Pub Date : 2022-09-01 Epub Date: 2022-07-08 DOI:10.1177/17589983221113872
Hiroshi Yuine, Yuichi Yoshii, Kazuhiro Miyata, Hideki Shiraishi
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引用次数: 0

Abstract

Introduction: There is a lack of methods to objectively evaluate improvement in distal radioulnar joint (DRUJ) instability through treatment. We used ultrasonography to assess DRUJ instability and calculated the minimal detectable change (MDC) in healthy individuals. MDC was used to evaluate post-treatment changes in a patient with triangular fibrocartilage complex (TFCC) injury.

Methods: DRUJ instability was evaluated using force-monitor ultrasonography in eight healthy male participants to determine MDC and in a man in his 60s who underwent surgery and rehabilitation for TFCC injury (Palmer classification: type 2C). In the patient, DRUJ instability was measured pre-operatively, 3 months postoperatively, and 1 year post-operatively. Self-reported hand and upper limb functional ability were also recorded. The transducer of the force-monitor ultrasonographic system was used to apply cyclic compressions to the wrists automatically and measure DRUJ displacements. The amount of displacement was calculated using the distance between the radius and ulna before and during cyclic compression to the wrists. The applied pressure was measured as the force to the wrist, and the displacement-to-force ratio was calculated.

Results: The 95% confidence MDC95 for radioulnar displacement, displacement force, and displacement-to-force ratio were 0.27-0.31 mm, 0.30-0.59 N, and 0.12-0.15 mm/N, respectively. The patient's post-operative decrease in displacement exceeded the MDC95. DRUJ stability, pain, and use of the affected hand in daily life improved.

Discussion: Force-monitor ultrasonography can quantitatively evaluate post-treatment improvement in DRUJ stability over time. MDC for DRUJ instability can assess recovery after treatment or rehabilitation and determine changes resulting from interventions.

尺桡远端关节不稳定过程的定量评估。
引言:目前缺乏通过治疗来客观评估桡尺远端关节(DRUJ)不稳定性改善情况的方法。我们使用超声检查来评估DRUJ的不稳定性,并计算健康个体的最小可检测变化(MDC)。MDC用于评估三角形纤维软骨复合体(TFCC)损伤患者治疗后的变化。方法:在8名健康男性参与者和一名因TFCC损伤接受手术和康复的60多岁男性(Palmer分类:2C型)中,使用力监测超声评估DRUJ不稳定性,以确定MDC。在患者中,术前、术后3个月和术后1年测量DRUJ不稳定性。还记录了自我报告的手部和上肢功能能力。力监测超声系统的换能器用于自动对手腕进行周期性按压并测量DRUJ位移。位移量是使用手腕循环压迫之前和期间桡骨和尺骨之间的距离来计算的。施加的压力被测量为施加在手腕上的力,并计算位移与力的比率。结果:桡尺骨移位、移位力和移位力比的95%置信度MDC95分别为0.27-0.31 mm、0.30-0.59 N和0.12-0.15 mm/N。患者术后位移的减少超过了MDC95。DRUJ的稳定性、疼痛和受影响手在日常生活中的使用都有所改善。讨论:超声力量监测可以定量评估治疗后DRUJ稳定性随时间的改善。DRUJ不稳定的MDC可以评估治疗或康复后的恢复情况,并确定干预措施引起的变化。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Hand Therapy
Hand Therapy REHABILITATION-
CiteScore
1.60
自引率
10.00%
发文量
13
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