Stressradiography of the knee

Stäubli, H.-U.; Noesberger, B; Jakob, R. P.

doi:10.3109/17453679209155044

Cited by 29 publications

(21 citation statements)

References 41 publications

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“…The efficacy of the Telos device to standardise radiological testing of ACL integrity has been proved [13,15]. The mean differential displacement observed between the injured and the normal knee of our patients with ACL deficiency was greater than 3 ram, which is similar to that reported by others [4,5,6,8,13,14,16].…”

Section: Discussionsupporting

confidence: 84%

“…There are, however, several factors such as soft tissue damage, muscle activity and the displacing force, which can impair accuracy [1,2,6,15]. Stress radiography is more precise than the use of arthrometers in detecting anterior translation of the tibia after the application of a displacing force [4,8,13,14].…”

Section: Discussionmentioning

confidence: 99%

“…These findings suggest that stress radiography is more specific, but less sensitive, than clinical examination. Stress radiography has been considered to be useful in distinguishing between isolated and combined ACL ruptures [4,8,15], but we think it is useful only in those cases in whom there is a clear clinical suspicion of ACL deficiency.…”

Section: Discussionmentioning

confidence: 99%

“…However, the accuracy of clinical diagnosis depends on the skill and experience of the surgeon. Stress radiography is a more sensitive method for diagnosing ACL deficiency than clinical examination or commercially available arthrometers [4,5,6,8,13,14,15].…”

Section: Introductionmentioning

confidence: 99%

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Stress radiography in the diagnosis of anterior cruciate ligament deficiency

Garcés

Perdomo

Guerra

et al. 1995

International Orthopaedics

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A prospective study was carried out to test the sensitivity and specificity of stress radiography in detecting anterior cruciate ligament deficiency in both knees of 116 patients using the Telos device. In 47 of these a total or partial rupture of the anterior cruciate ligament was diagnosed by arthroscopy, while the ligament was intact in the remaining 69 patients. The mean difference in radiological translation between the injured and the normal knee was greater than 5 mm (p < 0.001) in those with anterior cruciate deficiency, and less than 3 mm in the others. A differential displacement of up to 3 mm was considered normal. The sensitivity of the method was less than 67% and the specificity was 100%. Clinical diagnosis had a sensitivity of 70.2% and a specificity of 98.5%. Our findings suggest that, although a differential translation of more than 3 mm can be diagnostic, smaller differences do not rule out anterior cruciate deficiency.

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Section: Discussionsupporting

confidence: 84%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Stress radiography in the diagnosis of anterior cruciate ligament deficiency

Garcés

Perdomo

Guerra

et al. 1995

International Orthopaedics

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“…Some investigators choose landmarks which evaluate translation in one knee compartment (i.e., medial or lateral), while others select midline landmarks which represent overall tibial translation. The lateral knee compartment has consistently shown higher anterior laxity in both normal and injured knees, and investigators have found better reliability in measuring the medial compartment [9][10][11][12].…”

Section: Choice Of Landmarksmentioning

confidence: 99%

Anterior cruciate ligament assessment using arthrometry and stress imaging

Rohman

Macalena

2016

Curr Rev Musculoskelet Med

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Arthrometry and stress imaging are useful clinical tools for the objective assessment of anterior cruciate ligament (ACL) integrity. They are most frequently used for the diagnosis of a complete ACL tear when other workup is equivocal, in conjunction with history and clinical exam findings. Other applications include the diagnosis of partial ACL tears, injury prognosis, and post-operative monitoring. However, further studies are needed to validate these uses. Many different devices and techniques exist for objective examination, which have been compared in recent literature. Reliability and validity measures of these methods vary, and often depend upon examiner familiarity and skill. The KT series of devices is the current gold standard for arthrometry, although the newer robotic GNRB device shows promising early results. Newer methods of data interpretation have been developed for stress imaging, and portable technology may impact this field further.

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