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https://www.readbyqxmd.com/read/28332046/ramp-lesions-in-acl-deficient-knees-in-children-and-adolescent-population-a-high-prevalence-confirmed-in-intercondylar-and-posteromedial-exploration
#1
Matthieu Malatray, Sebastien Raux, Adrien Peltier, Clemence Pfirrmann, Romain Seil, Franck Chotel
PURPOSE: Ramp lesions are common in ACL deficient knees. Their diagnosis is difficult and, therefore, they may be underestimated. So far, no study analyzed their prevalence in a pediatric population. The diagnosis of these Ramp lesions is of major clinical relevance because of a frequent misestimating and technic difficulties. Ramp lesions might be associated with residual knee pain and instability after ACL reconstruction. The aim of this study was to evaluate the prevalence of ramp lesions explored through a systematic intercondylar and posteromedial arthroscopic approach during an ACL reconstruction in a pediatric and adolescent population...
March 22, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28324151/higher-hamstring-to-quadriceps-isokinetic-strength-ratio-during-the-first-post-operative-months-in-patients-with-quadriceps-tendon-compared-to-hamstring-tendon-graft-following-acl-reconstruction
#2
Felix Fischer, Christian Fink, Elmar Herbst, Christian Hoser, Caroline Hepperger, Cornelia Blank, Peter Gföller
PURPOSE: The aim of this study was to compare isokinetic quadriceps and hamstring muscle strength in patients following anterior cruciate ligament (ACL) reconstruction who received either hamstring (HT) or quadriceps (QT) tendon autografts at two time intervals within the first year after surgery. METHODS: One hundred twenty-four patients, 81 males (age 22.0 ± 6.2 years) and 43 females (age 20.9 ± 8.7 years), participated in this study. ACL reconstruction was performed with either quadriceps tendon autografts (QT; n = 61) or hamstring tendon autografts (HT; n = 63)...
March 21, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28318538/dynamic-intraligamentary-stabilization-versus-conventional-acl-reconstruction-a-matched-study-on-return-to-work
#3
Kathrin S Bieri, Stefan M Scholz, Sandro Kohl, Emin Aghayev, Lukas P Staub
PURPOSE: The dynamic intraligamentary stabilization (DIS) technique is based on a different treatment approach than ACL reconstruction in that it intends to promote self-healing of the ligament. It is only recommended for acute injuries (<21days). The purpose of the present study was to compare DIS and ACLR with respect to the extent of work incapacity, revision rates, secondary arthroscopies, and treatment costs during recovery. METHODS: The study was a post-hoc analysis of prospectively collected data in the Swiss National Accident Insurance Fund (SUVA) database...
March 7, 2017: Injury
https://www.readbyqxmd.com/read/28315922/superior-perioperative-analgesia-with-combined-femoral-obturator-sciatic-nerve-block-in-comparison-with-posterior-lumbar-plexus-and-sciatic-nerve-block-for-acl-reconstructive-surgery
#4
Metaxia Bareka, Michael Hantes, Eleni Arnaoutoglou, George Vretzakis
PURPOSE: The purpose of this randomized controlled study is to compare and evaluate the intraoperative and post-operative outcome of PLPS nerve block and that of femoral, obturator and sciatic (FOS) nerve block as a method of anaesthesia, in performing ACL reconstruction. METHODS: Patients referred for elective arthroscopic ACL reconstruction using hamstring autograft were divided in two groups. The first group received combined femoral-obturator-sciatic nerve block (FOS Group) under dual guidance, whereas the second group received posterior lumbar plexus block under neurostimulation and sciatic nerve block (PLPS Group) under dual guidance...
March 18, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28314888/youtube-provides-poor-information-regarding-anterior-cruciate-ligament-injury-and-reconstruction
#5
J T Cassidy, E Fitzgerald, E S Cassidy, M Cleary, D P Byrne, B M Devitt, J F Baker
PURPOSE: YouTube is a global medium used predominantly by young adults (aged 18-49 years). This study examined the quality of YouTube information regarding ACL injury and reconstruction. METHODS: YouTube was searched on the 13th of June 2015 for "ACL" and "anterior cruciate ligament" with/without associated terms of "injury", "reconstruction", and "surgery". Videos were evaluated by two independent reviewers [EF (Reviewer 1), (Reviewer 2)] using two recognized information scoring systems (Modified DISCERN (MD) 0-5 and JAMA Benchmark 0-4) and an adaptation of a score designed for written ACL information [ACL Specific Score (ASS) 0-25]...
March 17, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28314886/no-differences-in-subjective-knee-function-between-surgical-techniques-of-anterior-cruciate-ligament-reconstruction-at-2-year-follow-up-a-cohort-study-from-the-swedish-national-knee-ligament-register
#6
Eric Hamrin Senorski, David Sundemo, Christopher D Murawski, Eduard Alentorn-Geli, Volker Musahl, Freddie Fu, Neel Desai, Anders Stålman, Kristian Samuelsson
PURPOSE: The purpose of this study was to investigate how different techniques of single-bundle anterior cruciate ligament (ACL) reconstruction affect subjective knee function via the Knee injury and Osteoarthritis Outcome Score (KOOS) evaluation 2 years after surgery. It was hypothesized that the surgical techniques of single-bundle ACL reconstruction would result in equivalent results with respect to subjective knee function 2 years after surgery. METHODS: This cohort study was based on data from the Swedish National Knee Ligament Register during the 10-year period of 1 January 2005 through 31 December 2014...
March 17, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28303744/tibial-fixation-in-anterior-cruciate-ligament-reconstruction
#7
Wei Wen Timothy Teo, Ching Sing Nicholas Yeoh, Teck Huat Andy Wee
OBJECTIVE: To determine whether supplementary tibial graft fixation with a staple is routinely necessary for anterior cruciate ligament (ACL) reconstructions. METHODS: We retrospectively reviewed a series of consecutive patients who underwent ACL reconstruction at our institution from April 2012 to July 2013. Patients who fulfilled the inclusion and exclusion criteria were divided into two groups, of which one with tibial fixation of the graft with a biointerference screw alone (biointerference screw group) and the other with tibial fixation of the graft with a biointerference screw and supplementary extra tunnel staple fixation (biointerference screw and staple group)...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28299448/capacity-of-muscle-derived-stem-cells-and-pericytes-to-promote-tendon-graft-integration-and-ligamentization-following-anterior-cruciate-ligament-reconstruction
#8
Tomislav Ćuti, Maja Antunović, Inga Marijanović, Alan Ivković, Andreja Vukasović, Igor Matić, Marko Pećina, Damir Hudetz
PURPOSE: The aim of this study is to examine the capacity of muscle tissue preserved on hamstring tendons forming candy-stripe grafts in order to improve tendon to bone ingrowth and ligamentization. We hypothesized that muscle tissue does possess a stem cell population that could enhance the healing process of the ACL graft when preserved on the tendons. METHODS: Human samples from gracilis and semitendinosus muscles were collected during ACL surgery from ten patients and from these tissue samples human muscle-derived stem cells and tendon-derived stem cells were isolated and propagated...
March 15, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28299389/adolescents-and-female-patients-are-at-increased-risk-for-contralateral-anterior-cruciate-ligament-reconstruction-a-cohort-study-from-the-swedish-national-knee-ligament-register-based-on-17-682-patients
#9
Thorkell Snaebjörnsson, Eric Hamrin Senorski, David Sundemo, Eleonor Svantesson, Olof Westin, Volker Musahl, Eduard Alentorn-Geli, Kristian Samuelsson
PURPOSE: The impact of different surgical techniques in index ACL reconstruction for patients undergoing contralateral ACL reconstruction was investigated. METHODS: The study was based on data from the Swedish National Knee Ligament Register. Patients undergoing index ACL reconstruction and subsequent contralateral ACL reconstruction using hamstring graft under the study period were included. The following variables were evaluated: age at index surgery, gender, concomitant meniscal or cartilage injury registered at index injury, transportal femoral bone tunnel drilling and transtibial femoral bone tunnel drilling...
March 15, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28298055/the-effect-of-graft-pretensioning-on-bone-tunnel-diameter-and-bone-formation-after-anterior-cruciate-ligament-reconstruction-in-a-rat-model
#10
Jian-Chun Zong, Richard Ma, Hongsheng Wang, Guang-Ting Cong, Amir Lebaschi, Xiang-Hua Deng, Scott A Rodeo
BACKGROUND: Moderate graft pretensioning in anterior cruciate ligament (ACL) reconstruction is paramount to restore knee stability and normalize knee kinematics. However, little is known about the effect of graft pretensioning on graft-to-bone healing after ACL reconstruction. HYPOTHESIS: Moderate graft pretensioning will improve bone formation within the bone tunnel after ACL reconstruction, resulting in superior load to failure. STUDY DESIGN: Controlled laboratory study...
February 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28290752/mri-based-assessment-of-lower-extremity-muscle-volumes-in-patients-before-and-after-acl-reconstruction
#11
Grant E Norte, Katherine R Knaus, Chris Kuenze, Geoffrey G Handsfield, Craig H Meyer, Silvia S Blemker, Joseph M Hart
CONTEXT: Study of muscle volumes in patients after anterior cruciate ligament (ACL) injury and reconstruction (ACL-R) is largely limited to cross-sectional assessment of the thigh musculature, which may inadequately describe post-traumatic and post-surgical muscle function. No studies have prospectively examined the influence of ACL injury and reconstruction on lower extremity muscle volumes. OBJECTIVE: Assess magnetic resonance imaging (MRI) derived lower extremity muscle volumes, and quantify quadriceps strength and activation in patients following ACL injury and reconstruction...
March 14, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28289822/combined-anterior-cruciate-ligament-reconstruction-and-lateral-extra-articular-tenodesis-does-not-result-in-an-increased-rate-of-osteoarthritis-a-systematic-review-and-best-evidence-synthesis
#12
REVIEW
Brian M Devitt, Nicolas Bouguennec, Kristoffer W Barfod, Tabitha Porter, Kate E Webster, Julian A Feller
PURPOSE: The role of lateral extra-articular tenodesis (LEAT) as an augment to primary anterior cruciate ligament reconstruction (ACLR) remains controversial. However, concerns exist regarding the risk of development of osteoarthritis due to over constraint of the knee. To systematically review the literature to analyse the long-term incidence of osteoarthritis in patients who had an LEAT performed in isolation or in combination with intra-articular ACLR for the treatment of ACL deficiency...
March 13, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28283721/the-importance-of-blumensaat-s-line-morphology-for-accurate-femoral-acl-footprint-evaluation-using-the-quadrant-method
#13
Yoshiyuki Yahagi, Takanori Iriuchishima, Takashi Horaguchi, Makoto Suruga, Yasuaki Tokuhashi, Shin Aizawa
PURPOSE: The purpose of this study was to evaluate the difference in the center position of the ACL footprint based on grid placement using the quadrant method according to the morphological variations of the Blumensaat's line. METHODS: Fifty-nine non-paired human cadaver knees were used. The ACL was cut in the middle, and the femoral bone was cut at the most proximal point of the femoral notch, and the digital images were evaluated using Image J software. The femoral ACL footprint was periphery outlined and the center position was automatically measured...
March 10, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28282242/influence-of-the-injury-to-surgery-interval-on-the-healing-potential-of-human-anterior-cruciate-ligament-derived-cells
#14
Takao Inokuchi, Tomoyuki Matsumoto, Koji Takayama, Naoki Nakano, Shurong Zhang, Daisuke Araki, Takehiko Matsushita, Ryosuke Kuroda
BACKGROUND: Vascular CD34+ cells in anterior cruciate ligament (ACL) tissue have the potential for high proliferation and multilineage differentiation that can accelerate tendon-bone healing. While patient characteristics, such as age, can affect tendon-bone healing, the influence of elapsed time after injury on the healing process is unclear. HYPOTHESIS: Cells obtained during the early phase after injury will exhibit a greater tendon-bone healing potential compared with chronic phase counterparts when applied to an immunodeficient rat model of ACL reconstruction...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28282214/clinical-and-radiographic-outcomes-of-meniscus-surgery-and-future-targets-for-biologic-intervention-a-review-of-data-from-the-moon-group
#15
Robert W Westermann, Morgan Jones, David Wasserstein, Kurt P Spindler
Meniscus injury and treatment occurred with the majority of anterior cruciate ligament reconstructions (ACLR) in the multicenter orthopaedic outcomes (MOON) cohort. We describe the patient reported outcomes, radiographic outcomes and predictors of pain from meniscus injuries and treatment in the setting of ACLR. Patient reported outcomes improve significantly following meniscus repair with ACLR, but differences exist based on the meniscus injury laterally (medial or lateral). Patients undergoing medial meniscus repair have worse patient-reported outcomes and more pain compared to those with uninjured menisci...
March 10, 2017: Connective Tissue Research
https://www.readbyqxmd.com/read/28280904/complete-posterolateral-meniscal-root-tear-is-associated-with-high-grade-pivot-shift-phenomenon-in-noncontact-anterior-cruciate-ligament-injuries
#16
Guan-Yang Song, Hui Zhang, Xin Liu, Jin Zhang, Zhe Xue, Yi Qian, Hua Feng
PURPOSE: The purpose of this study was to investigate whether the complete posterolateral meniscal root tear (PLMRT) would be associated with high-grade pivot-shift phenomenon in noncontact anterior cruciate ligament (ACL) injuries. METHODS: From 2013 to 2015, a total of 1095 consecutive patients were diagnosed as having noncontact ACL injuries and underwent primary ACL reconstructions. Among them, 140 patients were arthroscopically verified to have concomitant PLMRTs...
March 9, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28260199/arthrofibrosis-after-acl-reconstruction-is-best-treated-in-a-step-wise-approach-with-early-recognition-and-intervention-a-systematic-review
#17
REVIEW
Seper Ekhtiari, Nolan S Horner, Darren de Sa, Nicole Simunovic, Michael T Hirschmann, Rick Ogilvie, Rebecca L Berardelli, Danny B Whelan, Olufemi R Ayeni
PURPOSE: Arthrofibrosis is the most common post-operative complication of anterior cruciate ligament (ACL) reconstruction. Risk factors and management strategies for arthrofibrosis remain unclear. The purpose of this review was to: (a) describe existing definitions of arthrofibrosis, and (b) characterize the management strategies and outcomes of arthrofibrosis treatment. METHODS: MEDLINE, EMBASE, and PubMed were searched from database inception to search date (March 21, 2016) and screened in duplicate for relevant studies...
March 4, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28258329/function-and-strain-of-the-anterolateral-ligament-part-i-biomechanical-analysis
#18
Björn Holger Drews, Oliver Kessler, Wolfgang Franz, Lutz Dürselen, Maren Freutel
PURPOSE: Because reconstruction of the anterior cruciate ligament (ACL) in a double-bundle technique did not solve the problem of persistent rotatory laxity after surgery, new potential answers to this issue are of great interest. One of these is an extraarticular stabilization based on the rediscovery of the anterolateral ligament (ALL). Knowledge about its biomechanical function and benchmark data for an optimal reconstruction remain lacking. Therefore, the purpose of this study was to assess the function of the ALL under passive motion, anterior tibial translation and tibial rotational moments...
March 3, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28251262/one-stage-revision-acl-reconstruction-after-primary-acl-double-bundle-reconstruction-is-bone-patella-tendon-bone-autograft-reliable
#19
Tomohiro Tomihara, Yusuke Hashimoto, Masatoshi Taniuchi, Junsei Takigami, Changhun Han, Nagakazu Shimada
PURPOSE: The purpose of this study is to assess the results of revision anterior cruciate ligament (ACL) reconstruction after the failure of primary ACL double bundle reconstruction (ACL-DBR). METHODS: Twenty-two knees in 22 patients (group R) that underwent ACL revision surgery using bone-patellar tendon-bone (BTB) autograft after the failure of primary ACL-DBR were included in this study. Intraoperative findings and postoperative knee laxity and clinical outcomes in group R were assessed...
March 1, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28249973/the-long-term-clinical-and-radiological-outcomes-in-patients-who-suffer-recurrent-injuries-to-the-anterior-cruciate-ligament-after-reconstruction
#20
I Ahmed, L Salmon, J Roe, L Pinczewski
AIMS: The aim of this study was to investigate the long-term clinical and radiological outcome of patients who suffer recurrent injuries to the anterior cruciate ligament (ACL) after reconstruction and require revision surgery. PATIENTS AND METHODS: From a consecutive series of 200 patients who underwent primary reconstruction following rupture of the ACL, we identified 36 who sustained a further rupture, 29 of whom underwent revision surgery. Patients were reviewed prospectively at one, two, seven, 15 and about 20 years after their original surgery...
March 2017: Bone & Joint Journal
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