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Achilles - Springer Nature

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Last Updated: 10 December 2022

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Extensor mechanism reconstruction with allograft following total knee arthroplasty: a systematic review and meta-analysis of achilles tendon versus extensor mechanism allografts for isolated chronic patellar tendon ruptures

Background The extensor mechanism failure is a serious problem, with an incidence of 0. 1 percent in u20132. 5% after complete knee arthroplasty. Mixed clinical outcomes have been obtained in TKA surgery, including Achilles tendon allograft and extensor mechanism allograft. In addition, we conducted a meta-analysis among studies involving isolated patellar tendon ruptures to determine the failure rate, surgical complications, and clinical results of extensor mechanism reconstruction using either ATA or EMA grafts. Methods An systematic review of the literature was undertaken following PRISMA's recommendations, including the ones dealing with the use of EMA and ATA for extensor mechanism rupture after TKA. In isolated patellar tendon ruptures, a meta-analysis was conducted to determine the failure rate, complications, and medical findings of the ATA and EMA treatments in isolated patellar tendon ruptures. More than 99% of the mean postoperative knee flexion measured in Eleven of 14 included papers. In both ATA and EMA, respectively, the percentage of patients requiring walking assistance is 55 percent and 34. 5%. The failure rate after extensor mechanism reconstruction in isolated patellar tendon ruptures was 27 percent, with no difference between EMA and ATA in terms of failure rate and clinical outcomes. Conclusions Extensor mechanism reconstruction with allograft is a viable treatment option in patients with acute or chronic pain after total knee arthroplasty. At the last follow-up, EMA is associated with a lower incidence of patients needing walking assistance, but it has similar clinical and functional findings to ATA. ATA has a similar success rate as EMA in patellar tendon ruptures.

Source link: https://doi.org/10.1007/s00402-022-04718-5


Achilles tendon resting angle is able to detect deficits after an Achilles tendon rupture, but it is not a surrogate for direct measurements of tendon elongation, function or symptoms

Objectives The aim of this study was to determine how the Achilles tendon resting angle, an indirect measure of tendon length, correlates with ultrasonography measurements of the Achilles tendon length 6 and 12 months after an acute ATR, and patient-reported outcome results. Sixty patients, median age 43 years, with an acute ATR undergoing either surgical or non-surgical intervention, were analyzed. At 12 months after ATR, a negative relationship was seen between relative ATRA and tendon elongation. At any time 6 or 12 months after the accident, there were no correlations between ATRA and ATRS or ATRA and Drop CMJ. Conclusion In combination with other scientific studies, such as HRH and USA, ATRA could be a medical device for indirect measurements of tendon elongation.

Source link: https://doi.org/10.1007/s00167-022-07142-9


The three-dimensional reconstruction of an Achilles tendon rupture in a professional football player reveals a multiplanar injury mechanism

The Achilles tendon injury is a rare but serious injury for football players; ATR studies in football are scant; currently, ATR in football is scant. During the last UEFA 2020 Championships, a professional football player will be able to firstly explain the underlying pattern and three-dimensional construction of the ATR injury, which occurred to a professional football player firstly. Evidence to the point of proving is consistent. V. I.

Source link: https://doi.org/10.1007/s00167-022-07078-0


Validity and reliability of a novel 3D ultrasound approach to assess static lengths and the lengthening behavior of the gastrocnemius medialis muscle and the Achilles tendon in vivo

In this research, a simple 3D ultrasound system was developed and tested for the evaluation of the gastrocnemius medialis MTU, muscle belly, and Achilles tendon lengths; as well as its reliability for static and dynamic length measurements. Two ultrasound measurement sessions and one MRI examination were conducted to determine the validity and reliability of the novel 3D ultrasound approach. The tissue lengths were determined at a stable ankle joint position and compared to MRI results using Blandu2013Altman plots, by combining 2D ultrasound and 3D motion capture. Conclusion The proposed 3D ultrasound method was found to be valid and reliable for the assessment of the GM MTU, muscle belly, and Achilles tendon lengths, as well as the tissue lengthening process, demonstrating that it could be a useful tool for investigating the effects of training intervention or therapeutic treatments.

Source link: https://doi.org/10.1007/s00167-022-07076-2


Pre-injury performance is most important for predicting the level of match participation after Achilles tendon ruptures in elite soccer players: a study using a machine learning classifier

Due to their decreased sports results they often suffer, elite soccer players' Achilles tendon ruptures are career-threatening injuries in elite soccer players. This report includes an exploratory data review of match participation before and after ATRs, as well as an analysis of a machine learning system based on pre-injury statistics to determine whether a player will return to a previous level of match participation. The difference between average minutes played per match 1 year before injury and between 1 and 2 years after the injury was found to identify patterns in match participation after injury. Players were divided into four clusters based on MPMs' age one year before injury and between 1 and 2 years after the injury. After an ATR, most players take 1 year to reach peak match participation after an ATR.

Source link: https://doi.org/10.1007/s00167-022-07082-4


Learning curve of the Krackow suture technique for the repair of Achilles tendon rupture

The aim of this research was to determine the relationship between the cumulative number of cases and clinical outcome measures. Material and methods A total of 226 cases of Achilles tendon repair using the Krackow suture technique were investigated. According to the growing number of cases, a linear regression analysis was conducted to determine the best-fit linear equations to estimate the required time for the Krackow suture technique following logarithmic changes of the surgical time and increasing number of cases. Conclusion The learning curve for the repair of Achilles tendon ruptures in Krackow was 89%, indicating that the total number of cases doubles, rather than the required surgical time can decrease by up to 11%.

Source link: https://doi.org/10.1007/s00402-021-04213-3


Gastrocnemius release is an effective management option for Achilles tendinopathy: a systematic review

Purpose of This systematic review The aim of this systematic review seeks to summarize the findings of gastrocnemius' release in Achilles Tendinopathy's management. Original research studies in English-language research findings published results for gastrocnemius recession in patients with Achilles tendinopathy. The results of the investigation included 229 articles based on database searches, with nine research describing 145 cases of gastrocnemius recession included in the review. Across a range of validated patient reported outcome measures, including VISA-A, FFI, FAAM, and VAS pain scores, clinically significant differences were reported. Outcomes appear to be superior in patients with noninsertional Achilles tendinopathy, but more research is required to confirm this. Conclusion The results of this review show gastrocnemius release to be a safe treatment option for patients with Achilles tendinopathy patients with gastrocnemius contracture, who have gastrocnemius contracture, and have previously failed to respond well to non-operative therapy.

Source link: https://doi.org/10.1007/s00167-022-07039-7


The effect of combined Action Observation Therapy with eccentric exercises in the treatment of mid-portion Achilles-tendinopathy: a feasibility pilot randomised controlled trial

The intervention group watched videos of the exercises before completing the same routines, while the control group watched nature videos before doing the same exercises. The mean VISA-A score in the intervention group and 7. 7 in the control group increased by 18. 1 in the intervention group and 7. 7 in the control group at week six, and 75% and 33% of participants in the intervention and control groups respectively met the minimally meaningful difference. Mean VISA-A score in the intervention group and 16. 5-in the control group increased by 22. 25 in the intervention group and 16. 5-in the control group, equating to 75% and 58% in each group respectively exceeding the MCID at week 12. Conclusions The optimistic feasibility findings and exploratory results from the clinical outcome studies show that a larger scaled RCT is required to further investigate the role of AOT in the rehabilitation of mid-portion AT.

Source link: https://doi.org/10.1186/s13102-022-00594-z


Lower motor unit discharge rates in gastrocnemius lateralis, but not in gastrocnemius medialis or soleus, in runners with Achilles tendinopathy: a pilot study

Objectives Deficits in muscle performance could be a result of a motor neuron's diminished ability to raise the rate in which it discharges. During subdueding speeds in runners with Achilles tendinopathy, this research was determined to investigate the motor unit discharge characteristics of each triceps surae muscle and TS torque steadyness. As torque increased from 10% peak torque, 8. 24 pps to 20%, 8. 52 pps, in AT, GL MU mean discharge rate did not rise, although in controls, MU's discharge rate increased from 10%, 8. 24 pps to 20%, 10. 07 pps. We found no inter-group differences in the coefficient of variation of MU discharge rate in any of the TS muscles nor in TS torque steadyness. Further research is required to see how interventions focusing on increasing neural drive to GL may have an effect on muscle endurance in runners with AT.

Source link: https://doi.org/10.1007/s00421-022-05089-w

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions