In vitro monitoring of rabbit anterior cruciate ligament damage by acoustic emission

Azangwe, G.; Fraser, Kenneth; Mathias, K. J.; Siddiqui, A. M.

doi:10.1016/s1350-4533(00)00039-4

Cited by 16 publications

(7 citation statements)

References 5 publications

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“…This may be due to the higher loading rate in the present study and due to differences in the placement of the AE sensor relative to the specimen, which would alter the attenuation of the signal (Qi, 2000a). Peak AE signal amplitudes of LF specimens in the present study (63-83 dB) are greater than those previously reported for failures of ligaments from canine knees (50-60 dB) (Wright et al, 1979); however they are within the range of those reported for ligaments from leporine knees (30-90 dB) (Azangwe et al, 2000).…”

Section: Discussioncontrasting

confidence: 51%

“…Although little or no AE signals were observed during dynamic loading of ankle ligaments (Funk et al, 2002b), they were recorded during slow loading of knee ligaments (Wright et al, 1979;Azangwe et al, 2000;Aggelis et al, 2011). In one such study, it was noted that bone avulsion fractures resulted in the highest amplitude signals, followed by ligament ''fiber breakage'', and then ''separation of bundles of collagen fibers'' (Wright et al, 1979).…”

Section: Introductionmentioning

confidence: 99%

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Acoustic emission signals can discriminate between compressive bone fractures and tensile ligament injuries in the spine during dynamic loading

Toen

Street

Oxland

et al. 2012

Journal of Biomechanics

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Section: Discussioncontrasting

confidence: 51%

Section: Introductionmentioning

confidence: 99%

Acoustic emission signals can discriminate between compressive bone fractures and tensile ligament injuries in the spine during dynamic loading

Toen

Street

Oxland

et al. 2012

Journal of Biomechanics

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“…Our findings demonstrate that quantification of JA events can distinguish between clinically healthy and OA knees, and, taken together with previous findings using different types of acoustic assessment,3 4 show that this relatively unexplored approach has potential for extending the range of available tools for knee arthritis assessment and monitoring.…”

supporting

confidence: 78%

Analysis of high frequency acoustic emission signals as a new approach for assessing knee osteoarthritis

Prior

Mascaro

Shark

et al. 2010

Annals of the Rheumatic Diseases

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“…Furthermore, it is also used to monitor wear during the process of friction and lubrication . In medical studies, AE‐based techniques have been used to assess ligament damage, bone fracture and joint friction monitoring . AE techniques have been suggested for monitoring bone cement crack growth causing loosening of hip implants .…”

Section: Introductionmentioning

confidence: 99%

Detection of experimental cartilage damage with acoustic emissions technique: An in vitro equine study

Shakya

Tiulpin

Saarakkala

et al. 2019

Equine Veterinary Journal

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SummaryBackgroundIn horses, osteoarthritis (OA) mostly affects metacarpophalangeal and metatarsophalangeal (fetlock) joints. The current modalities used for diagnosis of equine limb disorders lack ability to detect early OA. Here, we propose a new alternative approach to assess experimental cartilage damage in fetlock joint using Acoustic Emissions (AE).ObjectivesTo evaluate the potential of AE technique in diagnosing OA and see how AE signals changes with increasing severity of OA.Study designAn in vitro experimental study.MethodsA total of 16 distal limbs (8 forelimbs and 8 hindlimbs) from six Finn horses were collected from an abattoir and fitted in a custom‐made frame allowing fetlock joint bending. Eight fetlock joints were opened, and cartilage surface was progressively damaged mechanically three times using sandpaper to mimic mild, moderate and severe OA. The remaining eight fetlock joints were opened and closed without any mechanical procedure, serving as controls. Before cartilage alteration, synovial fluid was aspirated, mixed with phosphate‐buffered saline solution, and then reinjected before suturing for constant joint lubrication. For each simulated condition of OA severity, a force was applied to the frame and then released to mimic joint flexion and extension. AE signals were acquired using air microphones.ResultsA strong association was found between the joint condition and the power of AE signals analysed in 1.5–6 kHz range. The signal from both forelimb and hindlimb joints followed a similar pattern for increased cartilage damage. There were statistically significant differences between each joint condition progressively (generalised linear mixed model, P<0.001) in limbs with in vitro cartilage damage of varying severity while the control limbs did not show any changes.Main limitationsSmall sample size using in vitro, mechanically induced cartilage damage.ConclusionThe AE technique presented here could differentiate the severity of fetlock joint cartilage damage. The consistent results for each simulated condition suggest there is potential for this method in the diagnosis of OA.

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In vitro monitoring of rabbit anterior cruciate ligament damage by acoustic emission

Cited by 16 publications

References 5 publications

Acoustic emission signals can discriminate between compressive bone fractures and tensile ligament injuries in the spine during dynamic loading

Acoustic emission signals can discriminate between compressive bone fractures and tensile ligament injuries in the spine during dynamic loading

Analysis of high frequency acoustic emission signals as a new approach for assessing knee osteoarthritis

Detection of experimental cartilage damage with acoustic emissions technique: An in vitro equine study

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