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https://www.readbyqxmd.com/read/29752059/risk-factors-for-abnormal-anteroposterior-knee-laxity-after-primary-anterior-cruciate-ligament-reconstruction
#1
Riccardo Cristiani, Magnus Forssblad, Björn Engström, Gunnar Edman, Anders Stålman
PURPOSE: To identify preoperative and intraoperative factors associated with abnormal anterior knee laxity after primary anterior cruciate ligament (ACL) reconstruction. METHODS: A total of 5,462 patients who underwent primary ACL reconstruction at our institution from January 2000 to October 2015, with no associated ligament injuries, were included. Demographic data, information regarding graft used, concomitant meniscal surgery, and instrumented laxity were reviewed...
May 8, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29748878/clinical-and-radiological-outcome-of-gustilo-type-iii-open-distal-tibial-and-tibial-shaft-fractures-after-staged-treatment-with-posterolateral-minimally-invasive-plate-osteosynthesis-mipo-technique
#2
Xiaojian He, Chuanzhen Hu, Kaihua Zhou, Qilin Zhai, Weifeng Wen, Fugen Pan
OBJECTIVES: To evaluate the methods and the outcomes of Gustilo type III open distal tibial and tibial shaft fractures with severe anterior and medial soft-tissue injuries, treated with posterolateral minimally invasive plate osteosynthesis (MIPO) technique. METHODS: From May 2015 to May 2016, 10 patients with Gustilo type III open distal tibial and tibial shaft fractures with severe anterior and medial soft-tissue injuries (Gustilo-Anderson classification IIIA, 6; IIIB, 4) were treated with staged protocol using posterolateral minimally invasive plate osteosynthesis (MIPO) technique...
May 10, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29730211/minimizing-graft-tunnel-mismatch-in-allograft-anterior-cruciate-ligament-reconstruction-using-blumensaat-s-line-a-cadaveric-study
#3
Karim Meijer, Michael Saper, Patrick Joyner, Wei Liu, James R Andrews, Charles Roth
PURPOSE: To evaluate the accuracy of Blumensaat's line (BL) in predicting the tendinous graft length and tibial tunnel length (TTL) in an independent-tunnel anterior cruciate ligament reconstruction (ACLR) using a bone-patellar tendon-bone (BTB) allograft. METHODS: Eighteen ACLRs were performed on cadaveric specimens using an anteromedial portal technique. All knees had no previous surgeries or deformities. Lateral knee radiographs of each specimen were taken prior to the ACLR, and BL was measured...
May 2, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29715219/sixty-years-on-ponseti-method-for-clubfoot-treatment-produces-high-satisfaction-despite-inherent-tendency-to-relapse
#4
Lewis E Zionts, Edward Ebramzadeh, Rebecca D Morgan, Sophia N Sangiorgio
BACKGROUND: Developed at the University of Iowa in 1950, the Ponseti method to manage idiopathic clubfoot deformity was slow to gain wide acceptance until the mid-1990s. There is a paucity of intermediate and long-term outcome studies involving this technique, with nearly all such studies coming from a single institution. The purpose of this study is to report the contemporary outcome of patients with clubfoot deformity whose feet were managed with the Ponseti method and who were followed to ≥5 years old, to provide outcome expectations for parents and for clinicians managing patients with idiopathic clubfoot...
May 2, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29663013/bone-to-bone-integrations-were-complete-within-5-months-after-anatomical-rectangular-tunnel-anterior-cruciate-ligament-reconstruction-using-a-bone-patellar-tendon-bone-graft
#5
Hironari Masuda, Shuji Taketomi, Hiroshi Inui, Naoya Shimazaki, Nobuhiro Nishihara, Seikai Toyooka, Hirotaka Kawano, Takumi Nakagawa
PURPOSE: Anterior cruciate ligament (ACL) reconstruction using a bone-patellar tendon-bone (BTB) graft is known to provide secure fixation due to the direct bone-to-bone integration of the bone plug and bone tunnel. It is important to know the time required for bone integration when designing the postoperative rehabilitation protocol or deciding when the patient can return to competition-level activity, especially if the patient is an athlete. However, because reports are scarce, the period necessary for bone-to-bone integration after ACL reconstruction using a BTB graft remains unclear...
April 16, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29659379/bony-reconstruction-of-the-anterior-glenoid-rim
#6
Laurent B Willemot, Bassem T Elhassan, Olivier Verborgt
Recurrent anterior shoulder instability is associated with glenohumeral bone loss. Glenoid deficiency compromises the concavity-compression mechanism. Medial Hill-Sachs lesions can result in an off-track humeral position. Anterior glenoid reconstruction or augmentation prevents recurrence by addressing the pathomechanics. In Bristow and Latarjet procedures, the coracoid process is harvested for conjoint tendon transfer, capsular reinforcement, and glenoid rim restoration. Complications and the nonanatomic nature of the procedure have spurred research on graft sources...
April 13, 2018: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/29613928/the-effect-of-an-acl-reconstruction-in-controlling-rotational-knee-stability-in-knees-with-intact-and-physiologic-laxity-of-secondary-restraints-as-defined-by-tibiofemoral-compartment-translations-and-graft-forces
#7
Frank R Noyes, Lauren E Huser, Martin S Levy
BACKGROUND: The effect of an anterior cruciate ligament (ACL) reconstruction on restoring normal knee kinematics in unstable knees with physiologic laxity of secondary ligamentous restraints remains unknown. The purpose of this study was to determine the stabilizing function of an ACL reconstruction and the resulting ACL graft forces in knees with severely abnormal anterior subluxation due to associated laxity of secondary restraints. METHODS: A 6-degree-of-freedom robotic simulator was used to test 21 cadaveric knees studied as a whole and in subgroups of lax secondary restraints (Lax-SR) and intact secondary restraints (Intact-SR), based on abnormal translations and tibial rotations...
April 4, 2018: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29593980/anatomic-posterolateral-corner-reconstruction-with-autografts
#8
Carlos Eduardo Franciozi, Leonardo José Bernardes Albertoni, Guilherme Conforto Gracitelli, Fernando Cury Rezende, Luiz Felipe Ambra, Fábio Pacheco Ferreira, Marcelo Seiji Kubota, Sheila Jean McNeil Ingham, Marcus Vinícius Malheiros Luzo, Moisés Cohen, Rene Jorge Abdalla
Anatomic posterolateral corner reconstruction reproduces 3 main structures: the lateral collateral ligament, the popliteofibular ligament, and the popliteus tendon. The LaPrade technique reproduces all 3 main stabilizers. However, it requires a long graft, limiting its indication to clinical settings in which allograft tissue is available. We propose a surgical procedure that is a modification of the LaPrade technique using the same tunnel placement, hamstring autografts, and biceps augmentation when necessary...
February 2018: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29581996/a-5-strand-hamstring-autograft-achieves-outcomes-comparable-to-those-of-a-4-strand-hamstring-autograft-with-a-graft-diameter-of-8-mm-or-more-in-anterior-cruciate-ligament-reconstruction
#9
Lingaraj Krishna, Xin Yang Tan, Francis Keng Lin Wong, Shi Jie Toh
Background: Quadrupled (4-strand) hamstring tendon autografts are commonly used in anterior cruciate ligament (ACL) reconstruction, but there is significant variability in their diameter. The 5-strand hamstring autograft has been used as a means of increasing the graft diameter in patients with undersized hamstring grafts. Purpose: To report the outcomes of primary ACL reconstruction using 5-strand hamstring autografts in patients in whom the 4-strand configuration produced a graft diameter of <8 mm and to compare these outcomes with those of ACL reconstruction using 4-strand semitendinosus-gracilis autografts with a graft diameter of ≥8 mm...
March 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29580239/is-double-approach-surgery-and-tenodesis-without-a-gastrocnemius-flap-better-for-dealing-with-proximal-fibular-osteosarcoma
#10
Jun Wan, Can Zhang, Hong-Bo He
BACKGROUND: Resection of proximal fibular osteosarcoma involving the posteromedial aspect of the fibula is challenging. Reconstruction using a gastrocnemius flap may result in significant lateral instability and abnormal knee movement. Furthermore, postoperative gait may be disturbed by foot drop resulting from scarification of the common peroneal nerve. METHODS: Between January 2011 and December 2013, five patients with proximal fibular osteosarcoma were treated via the double-approach procedure using en bloc resection without a gastrocnemius flap...
March 27, 2018: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29578933/complex-iatrogenic-clubfoot-is-it-a-real-entity
#11
Massimiliano Dragoni, Armando Gabrielli, Pasquale Farsetti, Diego Bellini, Pierluigi Maglione, Ernesto Ippolito
In our study, we aimed to demonstrate whether a complex iatrogenic clubfoot really exists; identify the causative mechanisms; and determine the outcome if properly treated. We observed 54 clubfeet previously treated unsuccessfully by manipulation and casting elsewhere. All the feet had been classified at diagnosis as typical clubfeet. In 26 cases, the cast had slipped down, entrapping the foot in a plantar-flexed position. Nine clubfeet out of those 26 cases presented the clinical features of a complex iatrogenic deformity...
March 23, 2018: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/29576645/anterior-cruciate-ligament-reconstruction-with-tibial-attachment-preserving-hamstring-graft-without-implant-on-tibial-side
#12
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/29574546/graft-bending-angle-affects-allograft-tendon-maturity-early-after-anterior-cruciate-ligament-reconstruction
#13
Linhai Chen, Yibing Wu, Guanghao Lin, Peng Wei, Zaohui Ye, Yangjian Wang, Tiantian Ren
PURPOSE: The aim of this study was to clarify the association of the anterior cruciate ligament (ACL) graft bending angle and graft maturity of autograft and allograft tendons using high-resolution MRI. METHODS: Patients with unilateral ACL reconstruction were invited to participate in this study, and they were examined using a 3.0-T MRI scan at 3, 6 and 12 months after the operation. Anatomic single-bundle ACL reconstruction was performed on 48 patients using the trans-portal technique, including 28 with autograft hamstring tendons and 20 with allograft tendons...
March 24, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29574163/tibial-tunnel-widening-associated-with-anterior-cruciate-ligament-reconstruction-using-autogenous-hamstrings-a-comparison-between-antero-medial-portal-and-transtibial-techniques
#14
J Silberberg Muiño, A Nilo Fulvi, G Vera, J L Gutiérrez García, M Giménez Salvay, M Maroa Salvucci, A Ruiz Ollero
OBJECTIVE: Evaluate the enlargement effect of the tibial tunnel emergence of 2 different of anterior cruciate ligament reconstruction techniques: antero-medial portal (AMP) vs. transtibial (TT) technique. METHODS: A prospective, randomized controlled study was performed in 36 consecutive patients who underwent anterior cruciate ligament reconstruction with autologous hamstring tendon grafts employing the AMP and conventional TT techniques. Lateral and antero-posterior radiographs were obtained for each patient at 6 weeks and 12 months postoperatively...
March 21, 2018: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/29552485/graft-retensioning-technique-using-an-adjustable-loop-fixation-device-in-arthroscopic-anterior-cruciate-ligament-reconstruction
#15
Joseph T Gamboa, Edward C Shin, Neil P Pathare, Patrick J McGahan, James L Chen
Anterior cruciate ligament (ACL) tears are an unfortunate and devastating injury in the athletic patient. Surgical reconstruction of the ACL with a taut graft construct is necessary to restore knee stability and help expedite the patient's return to an active lifestyle. Arthroscopy-assisted ACL reconstruction can be a technically involved procedure, where strong fixation limits graft motion to allow sufficient healing within the tibial and femoral tunnels at the bone-tendon interfaces. Loss of tension in a graft can cause symptomatic anterior or rotatory instability and potential retear of the ACL graft...
February 2018: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29548734/the-patella-a-mechanical-determinant-of-coordination-during-vertical-jumping
#16
Daniel John Cleather
The patella is traditionally understood to be a "joint spacer" that increases the moment arm of the patellar tendon. This characterisation is unsatisfactory as it fails to explain the more interesting characteristics of the patella: 1) that the changing pivot point of the patella causes the ratio of quadriceps to patellar tendon force to almost double as the knee flexes; 2) that the patellar tendon exerts an anteriorly directed force on the tibia when the knee is extended but this switches to a posterior draw as the knee flexes; and 3) that the presence of the patella allows the quadriceps to exert different moments on the femur and tibia...
March 13, 2018: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/29471559/-suturing-an-acute-acl-lesion-with-dynamic-intraligamentary-stabilisation
#17
Christoph Ihle, H Nakayama, Christoph Gonser, Ulrich Stöckle, Stefan Döbele, Steffen Schröter, Marc-Daniel Ahrend, Atesch Ateschrang
BACKGROUND: The established surgical technique for lesion of the anterior cruciate ligament (ACL) is reconstruction with an autologous tendon. However, patients after ACL-replacement have increased osteoarthritis rates. Possible explanations are persistent knee instability and the loss of the ACL's proprioceptive function. Therefore, surgeons have developed an alternative treatment to preserve the ACL by readapting femoral ACL lesions by temporary protective dynamic intraligamentary stabilisation (DIS)...
February 2018: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/29443537/a-randomized-clinical-trial-to-evaluate-attached-hamstring-anterior-cruciate-ligament-graft-maturity-with-magnetic-resonance-imaging
#18
Shaohua Liu, Hong Li, Hongyue Tao, Yaying Sun, Shiyi Chen, Jiwu Chen
BACKGROUND: The hamstring tendons are commonly harvested for anterior cruciate ligament (ACL) reconstruction with detachment of the tibial insertion. Retaining the insertion may help to preserve vascularity and viability of the graft and bypass the stages of avascular necrosis and revascularization, which might be beneficial to graft maturity. PURPOSE: To investigate and compare graft maturity by magnetic resonance imaging (MRI) after ACL reconstruction with preservation or detachment of hamstring tendon tibial insertion at up to 2 years...
April 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29440951/double-whip-stitch-for-free-graft-femoral-fixation-in-acl-reconstruction-experimental-study-on-porcine-model
#19
Cristian Tudor Buescu, Cristian Mircea Dudescu, Sergiu Caterev, Dan Gheorghe Osvald Lucaciu
Background and aims: Using free quadriceps tendon graft for anterior cruciate ligament (ACL) reconstruction has become more popular in the last years due to the low morbidity at the harvest site and biomechanical and structural properties similar to other types of graft (hamstring and patellar tendons). As long as the tibial tunnel fixation with interference screws is considered the standard fixation, femoral fixation is still an open subject. Even though the most common type of femoral tunnel fixation are the cortical suspension devices, the type of suture used for tying the graft to the loop is still evaluated and discussed...
2018: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29430399/associated-reconstruction-of-anterior-cruciate-and-anterolateral-ligaments-with-single-asymmetric-hamstring-tendons-graft
#20
Alejandro Espejo-Baena, Alejandro Espejo-Reina, Abel Gómez-Cáceres, Maria Josefa Espejo-Reina, Jaime Dalla Rosa-Nogales
The anterior cruciate ligament (ACL) rupture is a common disease that accounts for 250,000 cases/year in the United States. The anterolateral ligament (ALL) has been suggested to be an important restraint for rotational instability, and its reconstruction provides a reinforcement to the ACL reconstruction in this aspect, especially in high-demand athletes and in knees with high-grade pivot shift. Different techniques for associated ACL and ALL reconstruction have been described, but the ideal technique remains unclear...
October 2017: Arthroscopy Techniques
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