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https://www.readbyqxmd.com/read/28647841/anterior-cruciate-ligament-tibial-insertion-site-is-elliptical-or-triangular-shaped-in-healthy-young-adults-high-resolution-3-t-mri-analysis
#1
Yasutaka Tashiro, Gian Andrea Lucidi, Tom Gale, Kanto Nagai, Elmar Herbst, James J Irrgang, Yasuharu Nakashima, William Anderst, Freddie H Fu
PURPOSE: To clarify the morphology of anterior cruciate ligament (ACL) tibial insertion site in healthy young knees using high-resolution 3-T MRI. METHODS: Subjects were 50 ACL-reconstructed patients with a mean age of 21.4 ± 6.8 years. The contralateral healthy knees were scanned using high-resolution 3-T MRI. The tibial insertion sites of the anteromedial (AM) and posterolateral (PL) bundle fibres, and the ACL attachment on the anterior horn of lateral meniscus (AHLM) were segmented from the MR images, and 3D models were reconstructed to evaluate the morphology...
June 24, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28647818/assessment-of-the-effect-of-systemic-delivery-of-sclerostin-antibodies-on-wnt-signaling-in-distraction-osteogenesis
#2
Mohammad M Alzahrani, Asim M Makhdom, Frank Rauch, Dominique Lauzier, Maria Kotsiopriftis, Saber Ghadakzadeh, Reggie C Hamdy
Sclerostin is a known inhibitor of the Wnt signaling pathway which is involved in osteogenesis and, when inactivated, stimulates bone formation. To our knowledge, this effect has not been studied in the context of distraction osteogenesis (DO). Tibial DO was conducted on a total of 24 wild-type mice, which were then divided into 2 groups-a saline injection group (control) and an anti-sclerostin (Scl-Ab) injection group (treatment). The mice in the treatment group received 100 mg/kg intravenous injections of the antibody weekly until killing...
June 24, 2017: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/28647629/histological-analysis-of-a-new-route-after-subintimal-crural-angioplasty
#3
Daijirou Akamatsu, Fumiyoshi Fujisima, Hitoshi Goto, Munetaka Hashimoto, Ken Tsuchida, Keiichirou Kawamura, Yuta Tajima, Michihisa Umetsu, Syunya Suzuki, Takashi Kamei
BACKGROUND: Subintimal angioplasty is an alternative approach in treating critical limb ischemia with crural artery disease. However, route or location of the newly created channel is not understood. CASE PRESENTATION: A 68-year-old man was referred to our hospital with ischemic gangrene of the right big toe. We performed endovascular treatment because he was a poor candidate for bypass surgery. The posterior tibial artery was treated using subintimal angioplasty, though it resulted in early occlusion...
June 21, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28647458/predictors-of-efficacy-of-percutaneous-tibial-nerve-stimulation-for-fecal-incontinence-a-post-hoc-analysis-of-a-randomized-trial
#4
Emma J Horrocks, Sami A Chadi, Natasha J Stevens, Steven D Wexner, Charles H Knowles
BACKGROUND AND AIMS: A recent UK multicentre, phase III trial [The CONFIDeNT Trial: Lancet 2015; 386: 1640-48], demonstrated no significant clinical benefit of percutaneous tibial nerve stimulation (PTNS) over sham stimulation; however this study did not analyse predictors of response. This study aimed to determine predictors of PTNS efficacy in adults with fecal incontinence (FI) using data from this randomized controlled trial. METHODS: The study population comprised 205 patients from the CONFIDeNT Trial, with original primary outcome (≥ 50% reduction in weekly FI episodes after 12 weeks of treatment) remaining the binary denominator of success or failure...
June 21, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28647200/racial-disparities-after-infrainguinal-bypass-surgery-in-hemodialysis-patients
#5
Isibor Arhuidese, Sophie Wang, Satinderjit Locham, Muhammad Faateh, Besma Nejim, Mahmoud Malas
BACKGROUND: Peripheral arterial disease poses a significant burden in the hemodialysis (HD)-dependent population. Race is a known modifier of outcomes after surgical treatment of peripheral arterial disease. A comprehensive evaluation of the effect of race on infrainguinal bypass surgery (IBS) outcomes in HD patients is lacking. In this study, we evaluated the effects of race on long-term IBS outcomes in a large, nationally representative cohort of HD patients. METHODS: We studied all HD patients who underwent IBS between January 2007 and December 2011 in the United States Renal Disease System-Medicare matched database...
June 21, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28646940/management-of-refractory-idiopathic-overactive-bladder-intradetrusor-injection-of-botulinum-toxin-type-a-versus-posterior-tibial-nerve-stimulation
#6
Hammouda Sherif, Mostafa Khalil, Rabea Omar
INTRODUCTION: To compare the safety and efficacy of posterior tibial nerve stimulation (PTNS) versus an intradetrusor injection of botulinum toxin type-A (BTX-A) 100 U in the management of refractory idiopathic overactive bladder (OAB). MATERIALS AND METHODS: We randomized 60 patients with refractory idiopathic OAB to receive an intradetrusor injection of BTX-A 100 U or PTNS. We assessed the patients at baseline, 6 weeks, 3 months, 6 months, and 9 months, and determined their clinical symptoms, overall OAB symptom score, urgency score, quality-of-life score, and urodynamic study parameters...
June 2017: Canadian Journal of Urology
https://www.readbyqxmd.com/read/28646823/does-the-surgical-correction-of-tibial-torsion-with-genu-varum-produce-outcomes-similar-to-those-in-varus-correction-alone
#7
Austin T Fragomen, Matthew Meade, Eugene Borst, Joseph Nguyen, S Robert Rozbruch
No abstract text is available yet for this article.
June 24, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28646446/innovations-in-the-endovascular-management-of-critical-limb-ischemia-retrograde-tibiopedal-access-and-advanced-percutaneous-techniques
#8
REVIEW
Jihad A Mustapha, Larry J Diaz-Sandoval, Fadi Saab
PURPOSE OF REVIEW: Retrograde tibiopedal access and interventions have contributed to advance of endovascular techniques to treat critical limb ischemia (CLI) patients. This review encompasses the spectrum from advanced diagnostic imaging and technical therapeutic approaches for infrapopliteal occlusions, to a discussion of current standards and future directions. RECENT FINDINGS: Contemporary studies of infrapopliteal angioplasty show suboptimal short-term and 1-year clinical outcomes...
August 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28646430/mechanical-strength-assessment-of-a-drilled-hole-in-the-contralateral-cortex-at-the-end-of-the-open-wedge-for-high-tibial-osteotomy
#9
Arnaud Diffo Kaze, Stefan Maas, Alexander Hoffmann, Dietrich Pape
BACKGROUND: This study aimed to investigate, by means of finite element analysis, the effect of a drill hole at the end of a horizontal osteotomy to reduce the risk of lateral cortex fracture while performing an opening wedge high tibial osteotomy (OWHTO). The question was whether drilling a hole relieves stress and increases the maximum correction angle without fracture of the lateral cortex depending on the ductility of the cortical bone. METHODS: Two different types of osteotomy cuts were considered; one with a drill hole (diameter 5 mm) and the other without the hole...
December 2017: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/28646383/anterior-cruciate-ligament-graft-fixation-first-in-anterior-and-posterior-cruciate-ligament-reconstruction-best-restores-knee-kinematics
#10
Libin Zheng, Soheil Sabzevari, Brandon Marshall, Junjun Zhu, Monica A Linde, Patrick Smolinski, Freddie H Fu
PURPOSE: To evaluate the effect of different graft fixation sequences in one-stage anterior cruciate ligament (ACL) and posterior cruciate ligament (PCL) reconstruction on (1) knee biomechanics and (2) tibiofemoral alignment. METHODS: Twelve porcine knees were used in this study. Five fixation sequences were performed (angle indicating knee flexion): (a) PCL at 30° and ACL at 30°, (b) PCL at 90° and ACL at 30°, (c) ACL at 30° and PCL at 30°, (d) ACL at 30° and PCL at 90°, and (e) ACL and PCL simultaneous fixation at 30°...
June 23, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28645704/reconstruction-of-large-diaphyseal-bone-defect-by-simplified-bone-transport-over-nail-technique-a-7-case-series
#11
F Ferchaud, L Rony, F Ducellier, P Cronier, V Steiger, L Hubert
INTRODUCTION: Reconstruction of large diaphyseal bone defect is complex and the complications rate is high. This study aimed to assess a simplified technique of segmental bone transport by monorail external fixator over an intramedullary nail. MATERIAL AND METHOD: A prospective study included 7 patients:2 femoral and 5 tibial defects.Mean age was 31 years (range, 16-61 years). Mean follow-up was 62 months (range, 46-84 months). Defects were post-traumatic, with a mean length of 7...
June 20, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28645703/mapping-of-the-anterior-tibial-profile-to-identify-accurate-reference-points-for-sagittal-alignment-of-tibial-component-in-total-knee-arthroplasty
#12
Gianluca Cinotti, Ettore Caruso, Luigi Orsina, Giuseppe La Torre, Francesca Romana Ripani
BACKGROUND: Although standard instrumentation is the procedure most frequently used to implant a total knee arthroplasty (TKA), high rates of malalignment of tibial component are reported using this technique. Anatomical landmarks for sagittal alignment have been little investigated and the best reference axis which parallels the mechanical axis is yet to be established. HYPOTHESIS: Mapping the anterior tibial profile (ATP) may allow the identification of segmental zones of the ATP parallel to the mechanical axis which can be use to align the extramedullary rod...
June 20, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28644119/damage-control-plating-in-open-tibial-shaft-fractures-a-cheaper-and-equally-effective-alternative-to-spanning-external-fixation
#13
Paul S Whiting, Phillip M Mitchell, Aaron M Perdue, Arnold J Silverberg, Sarah E Greenberg, Rachel V Thakore, Vasanth Sathiyakumar, Hassan R Mir, William T Obremskey, Manish K Sethi
The purpose of this study was to evaluate damage control plating (DCP) as an alternative to external fixation (EF) in the provisional stabilization of open tibial shaft fractures. Through retrospective analysis, the study found 445 patients who underwent operative fixation for tibial shaft fractures from 2008 to 2012. Twenty patients received DCP or EF before intramedullary nailing with a minimum follow-up of 3 months. Charts and radiographs were reviewed for postoperative complications. Hospital charges were reviewed for implant costs...
2017: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/28644076/a-novel-surgical-approach-to-avian-femorotibiotarsal-luxation-repair
#14
Anna E McRee, Thomas N Tully, Javier G Nevarez, Julia Sumner, Anderson Favero da Cunha
A 3-month-old male umbrella cockatoo (Cacatua alba) was presented because of acute non-weight-bearing lameness of the right leg. Marked soft tissue swelling was present around the femorotibiotarsal (stifle) joint, and the radiographic diagnosis was right medial femorotibiotarsal subluxation. Surgical management was elected, and the stifle joint was approached via a lateral parapatellar incision. Joint exploration revealed damage to the lateral meniscus, tendon of origin of the cranial tibial muscle, and cranial cruciate ligament...
June 2017: Journal of Avian Medicine and Surgery
https://www.readbyqxmd.com/read/28643103/patient-age-as-a-preoperative-factor-associated-with-tunnel-enlargement-following-double-bundle-anterior-cruciate-ligament-reconstruction-using-hamstring-tendon-autografts
#15
Shinya Yanagisawa, Masashi Kimura, Keiichi Hagiwara, Atsuko Ogoshi, Tomoyuki Nakagawa, Hiroyuki Shiozawa, Takashi Ohsawa
PURPOSE: A few studies have detected associations of post-operative tunnel enlargement with sex, age, and the timing of anterior cruciate ligament reconstruction (ACLR). The aim of the present study was to investigate the correlation between post-operative tunnel enlargement following ACLR using hamstring tendon autografts and preoperative factors. The authors hypothesized that tunnel enlargement is associated with age in patients undergoing ACLR. METHODS: One hundred and six patients (male, n = 57; female, n = 49; mean age, 26...
June 22, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28642979/-medial-opening-wedge-high-tibial-osteotomy
#16
REVIEW
P Niemeyer, A Stöhr, M Köhne, A Hochrein
OBJECTIVE: Reduction of the load to the medial compartment in patients with medial knee osteoarthritis and varus malalignment. Unloading of the posterolateral complex in varus deformity with complex ligamentous laxity. INDICATIONS: Medial knee osteoarthritis and varus malalignment with largely intact lateral and patellofemoral joint aspect. Complex ligament insufficiency combined with varus deformity. CONTRAINDICATIONS: Substantially impaired range of motion...
June 22, 2017: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/28642867/evaluation-of-the-effect-of-a-single-intra-articular-injection-of-allogeneic-neonatal-mesenchymal-stromal-cells-compared-to-oral-non-steroidal-anti-inflammatory-treatment-on-the-postoperative-musculoskeletal-status-and-gait-of-dogs-over-a-6-month-period-after
#17
Mathieu Taroni, Quentin Cabon, Marine Fèbre, Thibaut Cachon, Nathalie Saulnier, Claude Carozzo, Stéphane Maddens, Fabrice Labadie, Clément Robert, Eric Viguier
OBJECTIVE: Compare the clinical and pressure walkway gait evolution of dogs after a tibial plateau leveling osteotomy (TPLO) for a cranial cruciate ligament rupture (CrCLR) and treatment with either a 1-month course of non-steroidal anti-inflammatory drugs (NSAIDs) or a single postoperative intra-articular (IA) injection of allogeneic neonatal mesenchymal stromal cells (MSCs). STUDY DESIGN: Prospective, double-blinded, randomized, controlled, monocentric clinical study...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28642671/subchondral-raft-construction-with-locking-plates-for-the-treatment-of-schatzker-type-ii-fractures
#18
Cemil Kayali, Caner Citak, Taskin Altay, Zafer Kement
OBJECTIVES: To evaluate the functional and radiological results of Schatzker type II fractures treated via subchondral raft screws combined with locking plates. METHODS: Twenty-four individuals were enrolled in this study between 2010 and 2014. The depressed joint line was elevated and the defect was filled with allograft. Next, two or three subchondral screws were placed in combination with a locking plate. At the last follow-up, clinical and radiological data were recorded...
May 2017: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28642164/joint-loading-and-proximal-tibia-subchondral-trabecular-bone-microarchitecture-differ-with-walking-gait-patterns-in-end-stage-knee-osteoarthritis
#19
Bryant C Roberts, Lucian B Solomon, Graham Mercer, Karen J Reynolds, Dominic Thewlis, Egon Perilli
OBJECTIVES: To (1) stratify subgroups according to their distinct walking gait patterns in end-stage knee osteoarthritis (OA) patients; (2) compare measures of joint loading and proximal tibia subchondral trabecular bone (STB) microarchitecture among subgroups. DESIGN: Twenty-five knee OA patients undergoing total knee arthroplasty had pre-operative gait analysis. Following surgery, excised tibial plateaus were micro-CT-scanned and STB microarchitecture analysed in four tibial condylar regions of interest...
June 19, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28641973/changes-in-hip-knee-and-ankle-coronal-alignments-after-total-hip-arthroplasty-with-transverse-femoral-shortening-osteotomy-for-unilateral-crowe-type-iv-developmental-dysplasia-of-the-hip
#20
Abdulhamit Misir, Turan B Kizkapan, Kadir I Yildiz, Mehmet A Kaygusuz, Yakup Alpay, Atakan Ezici
BACKGROUND: To investigate changes in lower extremity coronal alignment in patients with unilateral Crowe type IV developmental dysplasia of the hip who underwent total hip arthroplasty with transverse femoral shortening osteotomy. METHODS: We reviewed the preoperative and 1-year postoperative full-length lower extremity radiographs of 25 patients. Femoral offset (FO), mechanical hip-knee-ankle angle, anatomical axis, mechanical axis deviation (MAD), mechanical lateral proximal femoral angle, anatomical medial proximal femoral angle, mechanical lateral distal femoral angle, anatomical lateral distal femoral angle, knee joint line congruency angle, mechanical medial proximal tibial angle, mechanical lateral distal tibial angle, ankle joint line orientation angle, tibial plafond talus angle, extremity length, and pelvic obliquity were measured on both the operative and nonoperative sides...
June 1, 2017: Journal of Arthroplasty
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