Clinical and functional outcome after anterior cruciate ligament reconstruction using the LARS™ system at a minimum follow-up of 10years

Tiefenboeck, Thomas M.; Thurmaier, Elisabeth; Tiefenboeck, Michael M.; Ostermann, Roman C.; Joestl, Julian; Winnisch, Markus; Schurz, Mark; Hajdu, Stefan; Hofbauer, Marcus

doi:10.1016/j.knee.2015.06.003

Cited by 73 publications

(55 citation statements)

References 14 publications

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“…According to a review of the recent literature, the failure rate was 4.75% (23/484) in all studies where the mean follow-up was longer than 3 years (Table 3). [9,10,12,14–19] There were 9 cases of graft rupture and 14 cases of recurrent instability. Among these 9 cases, 6 were due to a new trauma, and 1 case was injury in a high-level sport activity.…”

Section: Discussionmentioning

confidence: 99%

“…[21] Infection and screw loosening/pain related to screws were most frequently reported. [10,15] Based on observation of the histological characteristics and ultrastructure of the LARS ligament in vitro, inflammation and foreign body reaction were enhanced, but the LARS ligament had good in-growth capability based on the findings of fibrous connective tissue formation. [22] Although the complication rate was not high, methods to promote the biocompatibility of the LARS artificial ligament needed further study.…”

Section: Discussionmentioning

confidence: 99%

“…In 2015, a study indicated that LARS should currently not be suggested as a potential graft for primary reconstruction of the ACL based on a minimum 10-year follow-up of 18 patients. [10] An editorial commentary stated that LARS may not be perfect, but LARS clinical outcomes are surprisingly impressive. [11] …”

Section: Introductionmentioning

confidence: 99%

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Clinical outcomes of anterior cruciate ligament reconstruction using LARS artificial graft with an at least 7-year follow-up

et al. 2017

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The aim of our study was to assess the medium-term clinical outcomes of anterior cruciate ligament (ACL) reconstruction using the Ligament Advanced Reinforcement System (LARS) artificial ligament.A total of 168 patients who underwent arthroscopic ACL reconstruction with the LARS artificial ligament in our department were enrolled in our research. Only 125 met the inclusion/exclusion criteria, and 91 could ultimately be contacted to participate in our research. The mean follow-up was 92 ± 19 months. Physical examinations and a KT-1000 arthrometer were used to evaluate knee laxity. The International Knee Documentation Committee (IKDC) and Lysholm knee scales were evaluated for knee function. The Tegner score was tested for the condition of return to sport. Range of motion (ROM) and the rates of failure and complications were calculated.Among all patients enrolled in the study, the failure rate was 4.4%, and the overall complication rate was 2.2%. Knee laxity measured by the KT-1000 arthrometer was 1.4 ± 1.5 mm, compared with the preoperative value of 5.1 ± 1.3 mm. The Lysholm score improved from a preoperative value of 54.6 ± 14.3 to a postoperative value of 85.4 ± 12.1. The proportion of return to sport was 86.8% (79/91). The postoperative Tegner score was 4.7 ± 1.3, while its value before injury was 5.5 ± 1.0.In this study, ACL reconstruction using the LARS artificial ligament has a good prognosis with a low failure and complication rate at a mean follow-up of 91 months.Abbreviations: ACL = anterior cruciate ligament, BPTB = one-patellar tendon-bone, FDA = Food and Drug Administration, IKDC = the International Knee Documentation Committee, LARS = the Ligament Advanced Reinforcement System, PET = polyethylene terephthalate, ROM = range of motion.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Clinical outcomes of anterior cruciate ligament reconstruction using LARS artificial graft with an at least 7-year follow-up

et al. 2017

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“…47 Also, a follow-up at a mean of 8 years reported by Parchi et al in 2013 showed satisfying results reflected in no postoperative complication occurrence and only one case of LARS rupture. 49 On the other hand, the follow-up of 10 years postoperatively carried out by Tiefenboeck et al (2015) revealed lack of subjective satisfaction in half of patients treated with the use of LARS, thus the authors suggested not to consider the ligament system as a potential graft for primary reconstruction of the ACL and rather treat it as an alternative graft in special cases.…”

Section: Ligament Advanced Reinforcement System (Lars)mentioning

confidence: 99%

Synthetic grafts in the treatment of ruptured anterior cruciate ligament of the knee joint

et al. 2017

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“…The specific device that they used has generated acceptance among some surgeons 2,3,10,18,32 but also several unfavorable reports of frequent failures 12,30,33 and sporadic cases of intense synovitis 10,11,32 or foreign-body reaction. 31 The current authors attribute their success with the synthetic device to the strict requirement for remnant preservation and careful attention to tunnel positioning.…”

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confidence: 99%

A Long Shot

Reider¹

2017

Am J Sports Med

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Clinical and functional outcome after anterior cruciate ligament reconstruction using the LARS™ system at a minimum follow-up of 10years

Cited by 73 publications

References 14 publications

Clinical outcomes of anterior cruciate ligament reconstruction using LARS artificial graft with an at least 7-year follow-up

Clinical outcomes of anterior cruciate ligament reconstruction using LARS artificial graft with an at least 7-year follow-up

Synthetic grafts in the treatment of ruptured anterior cruciate ligament of the knee joint

A Long Shot

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