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https://www.readbyqxmd.com/read/29652169/contribution-of-neuromuscular-factors-to-quadriceps-asymmetry-after-anterior-cruciate-ligament-reconstruction
#1
Alexa K Johnson, Riann M Palmieri-Smith, Lindsey K Lepley
CONTEXT:   To quantify quadriceps weakness after anterior cruciate ligament reconstruction (ACLR), researchers have often analyzed only peak torque. However, analyzing other characteristics of the waveform, such as the rate of torque development (RTD), time to peak torque (TTP), and central activation ratio (CAR), can lend insight into the underlying neuromuscular factors that regulate torque development. OBJECTIVE:   To determine if interlimb neuromuscular asymmetry was present in patients with ACLR at the time of clearance to return to activity...
April 13, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29628379/quadriceps-tendon-autograft-for-primary-anterior-cruciate-ligament-reconstruction-a-systematic-review-of-comparative-studies-with-minimum-two-year-follow-up
#2
REVIEW
John W Belk, Matthew J Kraeutler, Hayden A Marshall, Jesse A Goodrich, Eric C McCarty
PURPOSE: To systematically review the literature in an effort to compare outcomes of patients undergoing primary anterior cruciate ligament reconstruction (ACLR) with a quadriceps tendon (QT) autograft versus a bone-patellar tendon-bone (BPTB) or hamstring tendon (HT) autograft. METHODS: A systematic review was performed by searching PubMed, the Cochrane Library, and Embase to locate studies (Level of Evidence I-III) comparing the clinical outcomes of the QT autograft versus the BPTB or HT autograft in patients undergoing primary ACLR...
April 5, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29613884/hamstring-co-contraction-in-the-early-stage-of-rehabilitation-following-anterior-cruciate-ligament-reconstruction-a-longitudinal-study
#3
Hongyun Song, Xuesong Dai, Jianhua Li, Sunan Zhu
OBJECTIVE: Hamstring co-contraction may affect recovery from anterior cruciate ligament reconstruction (ACLR). We aimed to evaluate the changes in hamstring co-contraction during the early postoperative stages. DESIGN: Twenty-five patients with ACLR were followed up for 1-3 months postoperatively, during which the Lysholm and International Knee Documentation Committee (IKDC) questionnaires were completed and surface electromyograms (sEMG) were assessed during terminal knee extension maximum voluntary contraction (TKE-MVC) and step-up tests...
April 2, 2018: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/29613816/anterior-cruciate-ligament-reconstruction-affects-tibiofemoral-joint-congruency-during-dynamic-functional-movement
#4
Kanto Nagai, Tom Gale, James J Irrgang, Scott Tashman, Freddie H Fu, William Anderst
BACKGROUND: Anterior cruciate ligament reconstruction (ACLR) has been shown to alter kinematics, which may influence dynamic tibiofemoral joint congruency (a measure of how well the bone surfaces fit together). This may lead to abnormal loading of cartilage and joint degeneration. However, joint congruency after ACLR has never been investigated. HYPOTHESES: The ACLR knee will be more congruent than the contralateral uninjured knee, and dynamic congruency will increase over time after ACLR...
April 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29602303/hop-distance-symmetry-does-not-indicate-normal-landing-biomechanics-in-adolescent-athletes-with-recent-anterior-cruciate-ligament-reconstruction
#5
Tishya A L Wren, Nicole M Mueske, Christopher H Brophy, J Lee Pace, Mia J Katzel, Bianca R Edison, Curtis D VandenBerg, Tracy L Zaslow
Study Design Retrospective cohort. Background Return to sport (RTS) protocols after anterior cruciate ligament reconstruction (ACLR) often include assessment of hop distance symmetry. However, it is unclear if movement deficits are present regardless of hop symmetry. Objectives To assess biomechanics and symmetry of adolescent athletes following ACLR during a single leg hop for distance. Methods Forty-six patients with ACLR (5-12 months post-surgery; 27 female; age 15.6, SD 1.7 years) were classified as asymmetric (operative limb hop distance <90% of non-operative limb; n=17) or symmetric (n=29)...
March 30, 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29596099/evidence-basis-for-regional-anesthesia-in-ambulatory-anterior-cruciate-ligament-reconstruction-part-i-femoral-nerve-block
#6
Leon Vorobeichik, Richard Brull, Girish P Joshi, Faraj W Abdallah
The optimal management of pain after ambulatory anterior cruciate ligament reconstruction (ACLR) is unclear. Femoral nerve block (FNB) is purported to enhance postoperative analgesia, but its effectiveness in the setting of modern multimodal analgesia is unclear. This systematic review examines the effect of adding FNB to multimodal analgesia on analgesic outcomes after ACLR, whether or not the analgesic regimen used included local instillation analgesia (LIA). We retrieved randomized controlled trials evaluating the effects of adding FNB to multimodal analgesia on analgesic outcomes after ACLR, compared to multimodal analgesia alone (control)...
March 27, 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29589954/validation-of-an-mri-protocol-for-routine-quantitative-assessment-of-tunnel-position-in-anterior-cruciate-ligament-reconstruction
#7
Samuel Grasso, James Linklater, Qing Li, David A Parker
BACKGROUND: No standardized methodology and objective criteria currently exist to accurately and objectively assess tunnel placement and consequent graft orientation in anterior cruciate ligament (ACL) reconstruction (ACLR) through a single imaging modality. Advances in magnetic resonance imaging (MRI) technology have enabled the use of volumetric high spatial and contrast resolution proton density-weighted sequencing, which allows precise delineation of graft orientation, tunnel position, and quantitative assessment of tunnel position relationship to adjacent reproducible anatomic landmarks...
March 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29589505/biological-augmentation-of-graft-healing-in-anterior-cruciate-ligament-reconstruction
#8
REVIEW
A T Hexter, T Thangarajah, G Blunn, F S Haddad
Aims The success of anterior cruciate ligament reconstruction (ACLR) depends on osseointegration at the graft-tunnel interface and intra-articular ligamentization. Our aim was to conduct a systematic review of clinical and preclinical studies that evaluated biological augmentation of graft healing in ACLR. Materials and Methods In all, 1879 studies were identified across three databases. Following assessment against strict criteria, 112 studies were included (20 clinical studies; 92 animal studies). Results Seven categories of biological interventions were identified: growth factors, biomaterials, stem cells, gene therapy, autologous tissue, biophysical/environmental, and pharmaceuticals...
March 1, 2018: Bone & Joint Journal
https://www.readbyqxmd.com/read/29576645/anterior-cruciate-ligament-reconstruction-with-tibial-attachment-preserving-hamstring-graft-without-implant-on-tibial-side
#9
Skand Sinha, Ananta Kumar Naik, Mridul Maheshwari, Sumedh Sandanshiv, Durgashankar Meena, Rajendra K Arya
Background: Tibial attachment preserving hamstring graft could prevent potential problems of free graft in anterior cruciate ligament (ACL) reconstruction such as pull out before graft-tunnel healing or rupture before ligamentization. Different implants have been reportedly used for tibial side fixation with this technique. We investigated short-term outcome of ACL reconstruction (ACLR) with tibial attachment sparing hamstring graft without implant on the tibial side by outside in technique...
March 2018: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/29575090/gait-mechanics-and-tibiofemoral-loading-in-men-of-the-acl-sports-randomized-control-trial
#10
Jacob J Capin, Ashutosh Khandha, Ryan Zarzycki, Amelia J H Arundale, Melissa L Ziegler, Kurt Manal, Thomas S Buchanan, Lynn Snyder-Mackler
The risk for post-traumatic osteoarthritis is elevated after anterior cruciate ligament reconstruction (ACLR), and may be especially high among individuals with aberrant walking mechanics, such as medial tibiofemoral joint underloading six months post-operatively. Rehabilitation training programs have been proposed as one strategy to address aberrant gait mechanics. We developed the anterior cruciate ligament specialized post-operative return-to-sports (ACL-SPORTS) randomized control trial to test the effect of 10 post-operative training sessions consisting of strength, agility, plyometric, and secondary prevention exercises (SAPP) or SAPP plus perturbation (SAPP + PERT) training on gait mechanics after ACLR...
March 25, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29574548/low-rates-of-patients-meeting-return-to-sport-criteria-9-months-after-anterior-cruciate-ligament-reconstruction-a-prospective-longitudinal-study
#11
Wouter Welling, Anne Benjaminse, Romain Seil, Koen Lemmink, Stefano Zaffagnini, Alli Gokeler
PURPOSE: The purpose of the current prospective study was to assess the changes over time in patients tested at 6 months and 9 months after anterior cruciate ligament reconstruction (ACLR) with a return to sport (RTS) test battery. It was hypothesized that more patients passed RTS criteria at 9 months compared to 6 months. METHODS: Sixty-two ACLR patients performed a test battery at an average of 6.5 ± 0.7 and 9.5 ± 0.9 months after ACLR. All patients underwent a standardized rehabilitation protocol...
March 24, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29574451/patient-demographic-and-surgical-characteristics-in-anterior-cruciate-ligament-reconstruction-a-description-of-registries-from-six-countries
#12
Heather A Prentice, Martin Lind, Caroline Mouton, Andreas Persson, Henrik Magnusson, Ayman Gabr, Romain Seil, Lars Engebretsen, Kristian Samuelsson, Jon Karlsson, Magnus Forssblad, Fares S Haddad, Tim Spalding, Tadashi T Funahashi, Liz W Paxton, Gregory B Maletis
OBJECTIVE: Findings from individual anterior cruciate ligament reconstruction (ACLR) registry studies are impactful, but how various registries from different countries compare with different patient populations and surgical techniques has not been described. We sought to describe six ACLR registry cohorts to understand variation across countries. METHODS: Five European registries and one US registry participated. For each registry, all primary ACLR registered between registry establishment through 31December 2014 were identified...
March 24, 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29552573/energy-absorption-contribution-and-strength-in-female-athletes-at-return-to-sport-after-anterior-cruciate-ligament-reconstruction-comparison-with-healthy-controls
#13
Marie E Boo, J Craig Garrison, Joseph P Hannon, Kalyssa M Creed, Shiho Goto, Angellyn N Grondin, James M Bothwell
Background: Female patients are more likely to suffer a second anterior cruciate ligament (ACL) injury after ACL reconstruction (ACLR) and return to sport (RTS) compared with healthy female controls. Few studies have examined the energy absorption contribution (EAC) that could lead to this subsequent injury. Hypothesis: The ACLR group would demonstrate an altered EAC between joints (hip, knee, and ankle) but no difference in quadriceps, hip abduction, or hip external rotation (ER) strength at the time of RTS...
March 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29552571/septic-arthritis-after-anterior-cruciate-ligament-reconstruction-clinical-and-functional-outcomes-based-on-graft-retention-or-removal
#14
Brian R Waterman, William Arroyo, Eric J Cotter, Michael A Zacchilli, E'Stephan J Garcia, Brett D Owens
Background: There remains a debate over whether to retain the index anterior cruciate ligament (ACL) graft in the setting of septic arthritis. Purpose: To evaluate and compare clinical outcomes for the treatment of septic arthritis after ACL reconstruction (ACLR) in those with and without early graft retention. Study Design: Case series; Level of evidence, 4. Methods: The Military Health System was queried for all ACLR procedures performed between 2007 and 2013...
March 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29550753/return-to-pivoting-sport-after-acl-reconstruction-association-with-osteoarthritis-and-knee-function-at-the-15-year-follow-up
#15
Britt Elin Øiestad, Inger Holm, May Arna Risberg
OBJECTIVES: To examine the associations between return to pivoting sport following ACL reconstruction (ACLR) and knee osteoarthritis (OA), and self-reported knee symptoms, function and quality of life after 15 years. METHODS: Study sample included 258 participants with ACLR 15 years previously. Return to pivoting sport (handball, soccer and basketball) data were collected by interviews, and symptomatic OA was defined as Kellgren and Lawrence grade ≥2 plus almost daily knee pain in the last month...
March 17, 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29549389/altered-movement-during-single-leg-hop-test-after-acl-reconstruction-implications-to-incorporate-2-d-video-movement-analysis-for-hop-tests
#16
Wouter Welling, Anne Benjaminse, Romain Seil, Koen Lemmink, Alli Gokeler
PURPOSE: There is a lack of objective factors which can be used in guiding the return to sport (RTS) decision after an anterior cruciate ligament reconstruction (ACLR). The purpose of the current study was to conduct qualitative analysis of the single leg hop (SLH) in patients after ACLR with a simple and clinical friendly method and to compare the possible difference in movement pattern between male and female patients. METHODS: Sixty-five patients performed the single leg hop (SLH) test at 6...
March 16, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29536023/male-sex-decreased-activity-level-and-higher-bmi-associated-with-lower-completion-of-patient-reported-outcome-measures-following-acl-reconstruction
#17
Eric J Cotter, Charles P Hannon, Philip Locker, Annabelle Davey, Kevin C Wang, Nikhil N Verma, Brian J Cole
Background: Patient-reported outcome (PRO) surveys have become increasingly important in both improving patient care and assessing outcomes. Purpose/Hypothesis: The purpose of this study was to evaluate which variables are associated with compliance with completing PRO surveys in patients who have undergone anterior cruciate ligament reconstruction (ACLR). The authors hypothesized that older patient age and longer time since ACLR would be associated with lower completion rates of PRO surveys preoperatively and at postoperative time points...
March 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29528481/all-inside-anterior-cruciate-ligament-reconstruction-a-systematic-review-of-techniques-outcomes-and-complications
#18
Darren de Sa, Ajaykumar Shanmugaraj, Melissa Weidman, Devin C Peterson, Nicole Simunovic, Volker Musahl, Olufemi R Ayeni
The all-inside technique (AIT) for anterior cruciate ligament reconstruction (ACLR) is gaining popularity as a more anatomic, less invasive, technique with the potential for more rapid recovery. This systematic review aims to critically assess components of the technique, its safety profile, outcomes, and complications. PUBMED, EMBASE, and MEDLINE were searched for studies discussing primary ACLR using the AIT. Article screening, quality assessment, and data abstraction were completed in duplicate, and a minimal clinically important difference (MCID) was used to frame the descriptive results in a clinically significant context...
February 8, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29526409/marked-asymmetry-in-vertical-force-but-not-contact-times-during-running-in-acl-reconstructed-athletes-9-months-post-surgery-despite-meeting-functional-criteria-for-return-to-sport
#19
Athol Thomson, Einar Einarsson, Clint Hansen, Chris Bleakley, Rod Whiteley
OBJECTIVES: Compare maximum plantar force (Fmax) during running in soccer players following anterior cruciate ligament reconstruction (ACLR) as they pass return to sport (RTS) criteria. DESIGN: Case control study. METHODS: Soccer players after ACLR (n=16) and matched healthy controls (n=16) ran on a treadmill at 12, 14 and 16km/h while plantar loading data was measured using an in-shoe pressure system (Pedar-X, Novel). Fmax and contact time of the injured and uninjured limbs in athletes <9months post-ACLR and those ≥9months ACLR were compared to healthy players (no ACLR)...
March 1, 2018: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29525548/curve-analyses-reveal-altered-knee-hip-and-trunk-kinematics-during-drop-jumps-long-after-anterior-cruciate-ligament-rupture
#20
Kim Hébert-Losier, Lina Schelin, Eva Tengman, Andrew Strong, Charlotte K Häger
BACKGROUND: Anterior cruciate ligament (ACL) ruptures may lead to knee dysfunctions later in life. Single-leg tasks are often evaluated, but bilateral movements may also be compromised. Our aim was to use curve analyses to examine double-leg drop-jump kinematics in ACL-reconstructed, ACL-deficient, and healthy-knee cohorts. METHODS: Subjects with unilateral ACL ruptures treated more than two decades ago (17-28years) conservatively with physiotherapy (ACLPT , n=26) or in combination with reconstructive surgery (ACLR , n=28) and healthy-knee controls (n=25) performed 40-cm drop-jumps...
March 7, 2018: Knee
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