bear acl repair 2020

Ten patients underwent BEAR, and 10 underwent ACLR with a 4-stranded hamstring autograft. (4) King JD, Rowland G, Villasante Tezanos AG, Warwick J, Kraus VB, Lattermann C, Jacobs CA. The content is solely the responsibility of the authors and does not necessarily represent the official views of Harvard Medical School, Harvard University or its affiliated academic health care centers, the NFL Players Association, Boston Childrens Hospital, or the NIH. (15) Centeno C, Lucas M, Stemoer I, Dodson E. IMAGE-GUIDED INJECTION OF ANTERIOR CRUCIATE LIGAMENT TEARS WITH AUTOLOGOUS BONE MARROW CONCENTRATE AND PLATELETS: MIDTERM ANALYSIS FROM A RANDOMIZED CONTROLLED TRIAL. The BEAR Implant is indicated for skeletallymature patients at least 14 years of age with a complete rupture of the ACL, as confirmed by MRI. In 2020 Murray et al reported the outcome results of their Level I randomized-controlled trial examining a similar cohort of patients . from 8 AM - 9 PM ET. (D) The ends of the torn ACL then grow into the scaffold, which is gradually replaced by healing ligament tissue. sharing sensitive information, make sure youre on a federal 2023 Feb;51(2):413-421. doi: 10.1177/03635465221142323. Her discoveries led to the conceptualization of an implant that could be placed between the torn ends of the ACL to bridge the gap, which is then mixed with the patients own blood to stimulate healing. The U.S. Food and Drug Administration (FDA) approved a new implant that can repair some anterior cruciate ligament (ACL) injuries. Although ACL reconstruction is effective, the procedure has drawbacks; the . Injury must have occurred within the last 50 days. Conclusion: Hamstring strength indices were significantly higher in the BEAR group compared with the ACLR group (P = .0001). Hypothesis: We hypothesized that patients treated with BEAR would have a noninferior . 2021 Jun;39(6):1281-1288. doi: 10.1002/jor.24783. (2) Culvenor AG, Eckstein F, Wirth W, Lohmander LS, Frobell R. Loss of patellofemoral cartilage thickness over 5 years following ACL injury depends on the initial treatment strategy: results from the KANON trial. 2020 Jul;26(13-14):702-711. doi: 10.1089/ten.tea.2020.0057. PMID: 23813800. If you've torn your ACL and are interested in the new implant, you should talk to your doctors to see if you are a strong candidate for the new procedure or would be better off with an ACL reconstruction. Lower left panel: The free suture ends (green) at the tibial end of the BEAR implant (which was positioned between the 2 ends of the torn ACL) are passed through the tibial tunnel to be tied over a second extracortical button. The current technique for bridge-enhanced ACL repair (BEAR) involves placing a resorbable protein-based implant containing autologous blood in the gap between the 2 torn ends of a midsubstance ACL tear in combination with suture repair of the ligament and a suture cinch to reduce the tibiofemoral joint . Epub 2016 May 13. In a randomized controlled trial of 100 people who experienced complete ACL rupture, 65 received the implant and 35 members in a control group had reconstruction via autograft, using tendon from their own bodies. Every patient underwent physical therapy after surgery, and the team followed them for two years. Patients must have an ACL stump attached to the tibia to construct the repair. Miach Orthopaedics BEAR implant granted FDA de novo approval for treatment of ACL tears. Am J Sports Med. Our website is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Reduced knee laxity and failure rate following anterior cruciate ligament reconstruction compared with repair for acute tears: a meta-analysis. Historically, the repair method of just suturing the two ends together has not been very effective.". 2023 Feb;17(1):12-21. doi: 10.1177/18632521221149059. The recent trial results showed that 14% of patients required ACLR surgery despite the BEAR surgery (1). Systemic Review of Anatomic Single- Versus Double-Bundle Anterior Cruciate Ligament Reconstruction: Does Femoral Tunnel Drilling Technique Matter? 2023 Dotdash Media, Inc. All rights reserved, Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. The site is secure. and food, beverage, and travell reimbursements from 5 companies (each <$500). sharing sensitive information, make sure youre on a federal Please enable it to take advantage of the complete set of features! The FDA, an agency within the U.S. Department of Health and Human Services, protects the public health by assuring the safety, effectiveness, and security of human and veterinary drugs, vaccines and other biological products for human use, and medical devices. Mansour J, Ghanimeh J, Ghoul A, Estephan M, Khoury A, Daher M. SICOT J. How is BEAR different than ACLR surgery? The relationships among isometric, isotonic, and isokinetic concentric and eccentric quadriceps and hamstring force and three components of athletic performance. ACL injuries affect between 100,000 to 200,000 people in the U.S. each year. In this procedure, the torn ACL fibers are completely removed and replaced with the graft, which is inserted arthroscopically into large tunnels drilled into the knee. They had an average score of 88.9, while those who underwent traditional ACL repair had an average of 84.8. Psychological Readiness to Return to Sport at 6 Months Is Higher After Bridge-Enhanced ACL Restoration Than Autograft ACL Reconstruction: Results of a Prospective Randomized Clinical Trial. 1991;14(3):114120. The BEAR Implant is available in select cities across the U.S. Dr. David Johannesmeyer is the first sports medicine surgeon to perform a BEAR Implant ACL Repair. -. (6) Patterson MR, Delahunt E. A diagonal landing task to assess dynamic postural stability in ACL reconstructed females. Ortop Traumatol Rehabil. At two years, subjects who received the BEAR implant had a laxity that, on average, was greater by 1.7 mm (about the same as the thickness of a penny) in the treated knee than that of the untreated knee. An official website of the United States government. Li J, Rothrauff B, Chen S, Zhao S, Wu Z, Chen Q, He J. Orthop J Sports Med. So far, so good, Fleming reports. This study is designed to evaluate bridge-enhanced ACL restoration (BEAR), a new surgical technique for repairing knees injured by a tear of the anterior cruciate ligament (ACL) that promotes reattachment and healing of the ACL using a blood-enriched implant. The Regenexx perc-ACLR procedure should be applied in patients that have a complete ACL tear, but the two ends are still connected. On the other hand, those in the control group had a laxity in the treated knee of 1.77 mm. HHS Vulnerability Disclosure, Help Lower extremity compensatory neuromuscular and biomechanical adaptations 2 to 11 years after anterior cruciate ligament reconstruction. James received a Master of Library Science degree from Dominican University. The patients were also measured using an arthrometer, which measures the range of movement in a joint. NOTE: This blog post provides general information to help the reader better understand regenerative medicine, musculoskeletal health, and related subjects. Complications observed in the study consisted of graft or repair failure and the need for additional surgical procedures. Patients were unblinded after their 2-year visit. There are four primary goals to ACL repair using the BEAR Implant: Provide a stable knee. Ive summarized the comparison above. also has received multiple payments for food and beverage from various companies. U.S. Food and Drug Administration. is a founder, paid consultant, and equity holder in Miach Orthopaedics, Inc, which was formed to work on upscaling production of the BEAR scaffold. PMID: 24646218. The BEAR Implant is a resorbable implantmeaning it is absorbed by the bodymade from bovine collagen and is secured via suture to bridge the gap between the torn ends of a patient's ACL. Epub 2013 Aug 18. In the study, 65 patients received the BEAR Implant and 35 members of the control group received ACL reconstruction with autograft (using their own tendon from another part of the body). The https:// ensures that you are connecting to the These initial studies demonstrated that even the first surgeries performed for this technique had similar outcomes to the current gold standard of ACL reconstruction with autograft tendon, and patients did not have to have a graft harvested from their leg, she says. This concept led to the development of the Bridge-Enhanced ACL Restoration (BEAR) Implant, a fundamental change in the approach to treating ACL injuries. 2020 Feb;44(2):365-380. doi: 10.1007/s00264-019-04417-8. It doesnt require a second wound site to remove healthy tendon and does not involve donors. 2013 Aug;41(8):1808-12. doi: 10.1177/0363546513493896. Functional hop testing results were similar in the 2 groups at 12 and 24 months after surgery. The PubMed wordmark and PubMed logo are registered trademarks of the U.S. Department of Health and Human Services (HHS). Meaning the cartilage destruction markers after an ACL reconstruction surgery are similar to those seen right after the original injury, causing a double hit to the cartilage. Am J Sports Med. In Complete ACL Tears, Bridge-Enhanced ACL Repair Was Noninferior to ACL Reconstruction for Symptoms and Functioning and Knee Laxity at 2 Years. First, BEAR allows the ACL to repair itself rather than ripping out the ACL remnants and placing a tendon as a substitute. Tian S, Wang B, Liu L, Wang Y, Ha C, Li Q, Yang X, Sun K. Am J Sports Med. The purpose of this study was to report the 12- and 24-month outcomes of patients who underwent the BEAR procedure compared with a nonrandomized concurrent control group who underwent ACL reconstruction (ACLR) with an autograft. This allows for ACL repair. This action creates a new regulatory classification, which means that subsequent devices of the same type with the same intended use may go through the FDAs 510(k) premarket process, whereby devices can obtain marketing authorization by demonstrating substantial equivalence to a predicate device. Am J Sports Med. Preserve and heal the . If the latter holds true in clinical patients, then the impact of the BEAR procedure will be even greater.. with the inherently same conflicts. The patients also underwent arthrometry, a noninvasive measurement of laxityor loosenessof the knee joint. The Football Players Health Study is funded by a grant from the National Football League (NFL) Players Association. Females Have Earlier Muscle Strength and Functional Recovery After Bridge-Enhanced Anterior Cruciate Ligament Repair. has received educational support and hospitality payments from Kairos Surgical. has equity interests in and is a consultant for MIACH Orthopaedics, a company that has licensed the BEAR scaffolding technology from Boston Childrens Hospital, which is also an equity holder in MIACH Orthopaedics; has patents/patents pending for the BEAR technology from Boston Childrens Hospital and Rhode Island Hospital; has received payment for grant review from the Musculoskeletal Transplant Foundation; receives royalties from Springer; and has research grants from the NIH, the Department of Defense, and the NFL Players Association through the Football Players Health Study. Randomized controlled trial; Level of evidence, 1. At two years, control subjects had a laxity that, on average, was greater by 1.8 mm in the treated knee than that of the untreated knee. One or more of the authors has declared the following potential conflict of interest or source of funding: This work was funded by the Translational Research Program at Boston Childrens Hospital, the Childrens Orthopaedic Surgery Foundation, the Childrens Sports Medicine Foundation, and the National Institutes of Health (NIH)/National Institute of Arthritis and Musculoskeletal and Skin Diseases (grant Nos. Epub 2020 Apr 16. The BEAR procedure is a promising technique that will likely meet these goals. 2021 Feb 3;103 (3):e14. Recruitment for the BEAR MOON trial was initiated in September of 2021 and the study is currently underway. (11) Barenius B, Ponzer S, Shalabi A, Bujak R, Norln L, Eriksson K. Increased risk of osteoarthritis after anterior cruciate ligament reconstruction: a 14-year follow-up study of a randomized controlled trial. Miach Orthopaedics' Bridge-Enhanced ACL Repair (BEAR) Implant has received marketing approval for the treatment of anterior cruciate ligament tears. The patients also underwent arthrometry, a noninvasive measurement of laxityor loosenessof the knee joint. Keywords: Y.-M.Y. We published the first half of a Randomized Controlled Trial last year and have completed that trial, with the full study to be published this year (15). The ACL implant isnt a traditional device like those used in most joint repairs. Kristen Fischer is a journalist who has covered health news for more than a decade. (9) Kamien PM, Hydrick JM, Replogle WH, Go LT, Barrett GR. Study Goal R01 AR056834/AR/NIAMS NIH HHS/United States, R01 AR065462/AR/NIAMS NIH HHS/United States, Abourezk MN, Ithurburn MP, McNally MP, et al. Orthop J Sports Med. The BEAR Implant is the first medical advancement to enable your body to heal its own torn anterior cruciate ligament (ACL). In the late 1990s, Martha Murray, MD, then an orthopedic surgeon with Boston Childrens Hospital, was researching why the ACL failed to heal on its own. Fleming says the FDA approval was exciting news that provides a treatment alternative to ACL reconstruction that does not require removing the injured ligament and replacing it with a graft of tendon.. A total of 74 patients with acute proximal isolated ACL tears will be assigned in a 1:1 allocation ratio to either (I) ACL repair using cortical button fixation and additional suture augmentation or (II) ACL reconstruction using an all-inside autologous hamstring graft technique. 2016;44(7):16601670. *DISCLAIMER: Like all medical procedures, Regenexx Procedures have a success and failure rate. First, BEAR allows the ACL to repair itself rather than ripping out the ACL remnants and placing a tendon as a substitute. It is recommended that the BEAR device be implanted within 50 days of injury. Her work has appeared in outlets like Healthline, Prevention, and HealthDay. How The BEAR Implant Works To Heal ACL Tears Paul Norio Morton, MD 2023-03-12T17:47:17-10:00 October 13, 2022 | Comments Off on How The BEAR Implant Works To Heal ACL Tears The Bridged Enhanced ACL Repair ( BEAR ) implant is the first medical advancement to enable your body to heal its own torn anterior cruciate ligament (ACL). The caveat about using the implant is that the technique is most effective if the ligament ruptures mid-substance, or about the middle of the ligament, to provide two ends that are able to be sutured together. -, Arneja S, Leith J. 2023;9:8. doi: 10.1051/sicotj/2023007. Patients were randomly assigned to receive either BEAR (n = 65) or autograft ACLR (n = 35 [33 with quadrupled semitendinosus-gracilis and 2 with bone-patellar tendon-bone]). A piece of hamstring or quadriceps tendon is harvested, and then graft tunnels are drilled into the femur and tibia. One hundred patients (median age, 17 years; median preoperative Marx activity score, 16) with complete midsubstance ACL injuries were enrolled and underwent surgery within 45 days of injury. For full product and risk information . CONSORT (Consolidated Standards of Reporting Trials) diagram detailing patient flow through the study. This provides a healing environment for the torn ACL fibers to repair themselves together, thereby eliminating the need to harvest any tissue for a graft. However, now a new surgical implant called BEAR is shaking up that world by offering a solution to try to regrow the torn ACL. Updated December 17, 2020. Furthermore, the 8 patients who converted from BEAR to ACLR in the study period and returned for the 2-year postoperative visit had similar primary outcomes to patients who had a single ipsilateral ACL procedure. The device, the Bridge-Enhanced ACL Repair (BEAR) Implant, unlike traditional reconstruction, does not require the use of harvested tendons for ACL repair and is the only currently- available alternative to reconstruction with allograft, autograft or suture-only repair for the treatment of ACL rupture. During that time, we have observed that younger patients are ready to return to sports at four months, with older patients at six months. No surgery, drilling, or graft tunnels are required. The BEAR Implant is different because it works with . It bridges the gap between the torn ends of a patients ACL, and the body then absorbs the implant within about eight weeks of surgery. Age, graft size, and Tegner activity level as predictors of failure in anterior cruciate ligament reconstruction with hamstring autograft. This double-bundle design ensures that the ACL can control the rotation of the tibia, an essential function in protecting the knee. The bodys own tissue eventually replaces the implant. Rhode Island Hospital is one of six U.S. hospitals conducting the BEAR-MOON trial that compares outcomes of patients receiving the BEAR implant to those receiving ACL reconstruction. Second, the BEAR treated ACL position is more natural than the result of ACLR surgery. Recruitment for the BEAR II trial was initiated in May 2015, and enrollment was completed June 2016. In addition, the retear rate that were about to publish is lower for Perc-ACLR than BEAR, and most of our patients end up with a natural double-bundle repair which is less likely with BEAR. Bookshelf Bridge enhanced ACL repair vs. ACL reconstruction for ACL tears: A systematic review and meta-analysis of comparative studies. The American Journal of Sports Medicine. Mansour J, Ghanimeh J, Ghoul A, Estephan M, Khoury A, Daher M. SICOT J. Like the ACLR surgery, the BEAR implant only focuses on repairing a single bundle, so the knee is more likely to remain rotationally unstable. official website and that any information you provide is encrypted all have disclosures as listed in the American Academy of Orthopaedic Surgeons database, none of which are related to this current project or technology. Unable to load your collection due to an error, Unable to load your delegates due to an error. The BEAR Implant is indicated for skeletallymature patients at least 14 years of age with a complete rupture of the ACL, as confirmed by MRI. 2021 Apr;29(4):518-526. doi: 10.1016/j.joca.2021.01.004. Within eight weeks, the body absorbs the implant and replaces it with new tissue that gets stronger over time. Bookshelf 2020 Jul;26(13-14):702-711. doi: 10.1089/ten.tea.2020.0057. The nonabsorbable sutures are threaded through the BEAR scaffold and tibial tunnel and secured in place with an extracortical button. This less invasive procedure lends itself to faster recovery of muscle strength after surgery and prevents morbidities associated with traditional grafts, such as kneeling pain or hamstring deficits. Torn ACLs are among the most common knee injuries in the U.S., but for years, treatment has been limited to ACL reconstruction, which can be quite invasive and typically requires using tendon or a combination of tendon and bone from other parts of the body, or obtained from a tissue bank, to complete the reconstruction, said Capt. J Pain Res. 2015 Jul 31;8:437-47. doi: 10.2147/JPR.S86244. Background: Bridge-enhanced anterior cruciate ligament repair (BEAR) combines suture repair of the anterior cruciate ligament (ACL) with a specific extracellular matrix scaffold (the BEAR scaffold) that is placed in the gap between the torn ends of the ACL to facilitate ligament healing. At two years, subjects who received the BEAR implant had a laxity that, on average, was greater by 1.7 mm (about the same as the thickness of a penny) in the treated knee than that of the untreated knee. What if the anterior cruciate ligament (ACL) had the ability to repair itself? Hence, you would need a Regenexx network physician to look at your actual MRI images. Am J Sports Med. Hence, any implant procedure requiring tunnels to be drilled will likely harm cartilage. The implant is resorbed by the body, usually within eight weeks. Schedule an appointment with a BEAR-MOON trial physician and find out if you qualify for the trial. Upper left panel:, CONSORT (Consolidated Standards of Reporting, CONSORT (Consolidated Standards of Reporting Trials) diagram detailing patient flow through the study., MeSH Trends in Anterior Cruciate Ligament Repair: A Bibliometric and Visualized Analysis. Am J Sports Med. The BEAR III trial was designed to evaluate the effects of age on outcomes following the BEAR procedure. Compared to traditional ACL reconstruction, the implant is a less invasive procedure that restores the knees natural anatomy and function. Compared to traditional ACL reconstruction, the implant is a less invasive procedure that restores the knee's natural anatomy and function. Failure rates for anterior cruciate ligament (ACL) repair are greater than those for ACL reconstruction. 2023 Mar;51(3):NP12-NP14. Unable to load your collection due to an error, Unable to load your delegates due to an error, Stepwise demonstration of the bridge-enhanced anterior cruciate ligament repair (BEAR) technique using the scaffold. By Kristen Fischer 33,34 The scaffold is used to bridge the . An IKDC objective grade of A (normal) was found in 44% of patients in the BEAR group and in 29% of patients in the ACLR group at 24 months; no patients in either group had C (abnormal) or D (severely abnormal) grades. Lets look at the positives and negatives of this new technology and compare it to the Regenexx perc-ACLR procedure. Having said that, at least one study reported a higher percentage of patients in the BEAR surgery group who were more psychologically ready to return to sports at six months versus ACLR surgery (5). When a patient tears the Anterior Cruciate Ligament (ACL) in the knee and physical therapy cannot return that individual to sports, ACL reconstruction surgery (ACLR) is usually the next step. Thus, there remains a need to find a new method that is less invasive and has the potential to provide better outcomes. This action creates a new regulatory classification, which means that subsequent devices of the same type with the same intended use may go through the FDA's 510(k) premarket process, whereby devices can obtain marketing authorization by demonstrating substantial equivalence to a predicate device. "Today's marketing authorization provides new options for the hundreds of thousands of people affected by ACL rupture in the U.S. each year.". 2023 Apr 12;11(4):23259671221146815. doi: 10.1177/23259671221146815. The Bridge-Enhanced Anterior Cruciate Ligament Repair (BEAR) Procedure: An Early Feasibility Cohort Study. How many patients fail the BEAR implant and still need ACL reconstruction surgery? Bio Ortho J Vol 3(1):e29e39; October 5, 2021. Orthop J Sports Med. maintained a conflict-of-interest management plan that was approved by Boston Childrens Hospital and Harvard Medical School during the conduct of the trial, with oversight by both conflict-of-interest committees and the institutional review board of Boston Childrens Hospital, as well as the US Food and Drug Administration. National Library of Medicine The FDA granted the marketing authorization to Miach Orthopaedics, Inc. Media Contact:Abby Capobianco, 240-461-9059Consumer Inquiries: [emailprotected], 888-INFO-FDA. -, Ageberg E, Roos HP, Silbernagel KG, Thomee R, Roos EM. This site needs JavaScript to work properly. Arthrometer testing demonstrated mean side-to-side differences in AP laxity that were similar in the 2 groups at 24 months (BEAR, 1.94 2.08 mm; ACLR, 3.14 2.66 mm). When I first heard about the BEAR ACL implant, I believed that the surgeon would place it in the correct spot and perhaps tack it down, meaning a far less invasive procedure than drilling graft tunnels. Before ACL reconstruction surgery has been a staple of modern sports medicine for decades. Martha Murray, MD, an orthopedic surgeon at Boston Childrens Hospital and professor at Harvard Medical School who spearheaded the research, notes that the implantis made of the same proteins found in the normal ACL. That tendon is secured in the tunnels and now serves as a replacement ligament. Within about eight weeks of the BEAR Implant surgical procedure, it is absorbed and replaced by the body's own tissue. AOSSM has not conducted an independent investigation on the OPD and disclaims any liability or responsibility relating thereto. The upshot? Today, the U.S. Food and Drug Administration granted marketing authorizationunder the De Novo premarket review pathwayfor an anterior cruciate ligament (ACL) implant . Please always consult with a professional and certified healthcare provider to discuss if a treatment is right for you. ACL (anterior cruciate ligament) injuries. Comparable Instrumented Knee Joint Laxity and Patient-Reported Outcomes After ACL Repair: Response. In a statement, Martha Shadan, president and CEO of Miach Orthopaedics, said the implant represented the first substantial advancement in the treatment of ACL tears in decades. PMID: 32558951. This research was also conducted with support from the Football Players Health Study at Harvard University. Earlier Resolution of Symptoms and Return of Function After Bridge-Enhanced Anterior Cruciate Ligament Repair As Compared With Anterior Cruciate Ligament Reconstruction. The PubMed wordmark and PubMed logo are registered trademarks of the U.S. Department of Health and Human Services (HHS). 2015;43:121-127. In the study, 65 patients received the BEAR Implant and 35 members of the control group received ACL reconstruction with autograft (using their own tendon from another part of the body). (HealthDay)An anterior cruciate ligament (ACL) implant that offers an alternative to traditional ACL reconstruction has received marketing authorization from the U.S. Food and Drug. Patients report more satisfaction in terms of pain, symptoms, and readiness. Tissue Eng Part A. (12) Wirth W, Eckstein F, Culvenor AG, Hudelmaier MI, Stefan Lohmander L, Frobell RB. ACL reconstruction; ACL repair; BEAR; anterior cruciate ligament; bridge-enhanced ACL repair; human; scaffold-enhanced ACL repair. Second, the BEAR treated ACL position is more natural than the result of ACLR surgery. (14) Nomura Y, Kuramochi R, Fukubayashi T. Evaluation of hamstring muscle strength and morphology after anterior cruciate ligament reconstruction. Using the BEAR implant, no other structures in the body need to be compromised in order to harvest a graft to replace the injured ligament. The bridge enhanced ACL restoration (BEAR) procedure provides the ability to perform primary repair of the acutely torn ACL's via utilization of a proprietary protein based scaffold. In the BEAR procedure, the torn ACL fibers are instead sutured and stitched within the center of the knee with a device that absorbs the patients own blood and bridges the gap between the torn ends. For the BEAR Trial Team, B.P. Vandenrijt J, Callenaere S, Van der Auwera D, Michielsen J, Van Dyck P, Heusdens CHW. "Torn ACLs are among the most common knee injuries in the United States," according to Capt. Effect of matching or overconstraining knee laxity during anterior cruciate ligament reconstruction on knee osteoarthritis and clinical outcomes: a randomized controlled trial with 84-month follow-up. An official website of the United States government, Recalls, Market Withdrawals and Safety Alerts, FDA Authorizes Marketing of New Implant to Repair a Torn ACL, Office of Orthopedic Devices, Office of Product Evaluation and Quality. Am J Sports Med. Dont wait. It is indicated for skeletally mature patients at least 14 years of age with a complete rupture of the ACL, as confirmed by MRI. A doctor has to weigh which patients would be an ideal candidate to receive the implant over traditional ACL reconstruction. A small percentage of patients treated with the BEAR Implant re-tore their ACL when they returned to sports sooner than recommended and then had a standard ACL reconstruction. has received educational funding from Kairos Surgical and hospitality payments from Smith & Nephew and Kairos Surgical. More information about this clinical trial and the BEAR ACL restoration procedure is available at www.bearmoon.org. Keywords: 2020 May;48(6):1305-1315. doi: 10.1177/0363546520913532. Upper left panel: A suture (purple) is placed through the tibial stump via a whipstitch and secured with 2 free sutures (green) to an extracortical button. is an assistant editor for The American Journal of Sports Medicine, the spouse of M.M.M. These patients are currently being followed to determine long term outcomes. Clipboard, Search History, and several other advanced features are temporarily unavailable. Its an absorbable implant thats derived from bovine collagena naturally occurring protein present in the connective tissue. Despite minor improvements to the procedure, clinical outcomes have not really changed. Epub 2020 Apr 16.

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