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https://www.readbyqxmd.com/read/28235235/extended-anterolateral-approach-for-complex-lateral-tibial-plateau-fractures
#1
Mauricio Kfuri, Joseph Schatzker, Marcello Teixeira Castiglia, Vincenzo Giordano, Fabricio Fogagnolo, James P Stannard
Complex fractures of the lateral tibial plateau may extend to the posterior rim of the knee and to the tibial spines. Displaced fractures of the posterolateral corner of the tibial plateau may result in joint incongruity and instability, especially with the knee in flexion. Anatomical reduction of the joint surface and containment of the tibial rim are the primary goals of the treatment in such cases. Dedicated surgical approaches including dissection of the peroneal nerve, sometimes in association with an osteotomy of the fibular head are typically used to address these injuries...
February 24, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28235234/should-we-resect-hoffa-s-fat-pad-during-total-knee-replacement
#2
Hannah Sellars, Alun Yewlett, Ryan Trickett, Mark Forster, Adel Ghandour
Resection of Hoffa's fat pad during total knee arthroplasty is sometimes performed to improve access and view. Opponents of this technique argue that sacrificing the fat pad potentially compromises blood supply to the patellar tendon and it can subsequently shorten. Our objective was to identify any difference in the Insall-Salvati ratio of knees undergoing total knee arthroplasty between a cohort that had Hoffa's fat pad preserved and the one that had Hoffa's fat pad completely excised. The total knee arthroplasties by two surgeons at our institution were reviewed over a 3-year period...
February 24, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28235233/erratum-the-use-of-biologic-agents-in-athletes-with-knee-injuries
#3
Michaela Kopka, James P Bradley
No abstract text is available yet for this article.
February 24, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28235124/plesiomonas-shigelloides-periprosthetic-knee-infection-after-consumption-of-raw-oysters
#4
Joshua W Hustedt, Sarim Ahmed
Periprosthetic infections are a leading cause of morbidity after total joint arthroplasty. Common pathogens include Staphylococcus aureus, streptococcus, enterococcus, Escherichia coli, and Pseudomonas aeruginosa. However, there are many cases in which rare bacteria are isolated. This case report describes a periprosthetic knee infection caused by Plesiomonas shigelloides. In the United States, P shigelloides and 2 other Vibrionaceae family members, Vibrio vulnificus and Vibrio parahaemolyticus, are most often contracted from eating raw oysters and shellfish...
January 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28235118/rates-of-deep-vein-thrombosis-occurring-after-osteotomy-about-the-knee
#5
Brandon J Erickson, Annie Tilton, Rachel M Frank, William Park, Brian J Cole
We conducted a study to determine the rates of symptomatic deep vein thrombosis (DVT) and pulmonary embolism (PE) after high tibial osteotomy (HTO), distal femoral osteotomy (DFO), or tibial tubercle osteotomy (TTO) in patients who did not receive postoperative chemical prophylaxis. All patients who had HTO, DFO, or TTO performed by a single surgeon between 2009 and 2014 were identified. Charts were reviewed to determine presence or absence of DVT or PE. Patient age, smoking status, oral contraceptive (OC) use, and body mass index (BMI) were recorded...
January 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28234946/effects-of-a-leaf-spring-structured-midsole-on-joint-mechanics-and-lower-limb-muscle-forces-in-running
#6
Tobias Wunsch, Nathalie Alexander, Josef Kröll, Thomas Stöggl, Hermann Schwameder
To enhance running performance in heel-toe running, a leaf spring structured midsole shoe (LEAF) has recently been introduced. The purpose of this study was to investigate the effect of a LEAF compared to a standard foam midsole shoe (FOAM) on joint mechanics and lower limb muscle forces in overground running. Nine male long-distance heel strike runners ran on an indoor track at 3.0 ± 0.2 m/s with LEAF and FOAM shoes. Running kinematics and kinetics were recorded during the stance phase. Absorbed and generated energy (negative and positive work) of the hip, knee and ankle joint as well as muscle forces of selected lower limb muscles were determined using a musculoskeletal model...
2017: PloS One
https://www.readbyqxmd.com/read/28234838/homeotic-and-embryonic-gene-expression-in-breast-adipose-tissue-and-in-adipose-tissues-used-as-donor-sites-in-plastic-surgery
#7
Rémi Foissac, Phi Villageois, Bérengère Chignon-Sicard, Charalambos Georgiou, Olivier Camuzard, Christian Dani
BACKGROUND: Autologous fat grafting has become an essential procedure in breast reconstructive surgery. However, molecular knowledge of different adipose donor sites remains inadequate. Tissue regeneration studies have shown that it is essential to match the Hox code of transplanted cells and host tissues to achieve correct repair. This study aims to provide a better molecular understanding of adipose tissue. METHODS: Over the course of 1 year, the authors prospectively included 15 patients and studied seven adipose areas: chin, breast, arm, abdomen, thigh, hip, and knee...
March 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28234636/a-three-arm-randomized-clinical-trial-comparing-continuous-femoral-plus-single-injection-sciatic-peripheral-nerve-blocks-versus-periarticular-injection-with-ropivacaine-or-liposomal-bupivacaine-for-patients-undergoing-total-knee-arthroplasty
#8
Adam W Amundson, Rebecca L Johnson, Matthew P Abdel, Carlos B Mantilla, Jason K Panchamia, Michael J Taunton, Michael E Kralovec, James R Hebl, Darrell R Schroeder, Mark W Pagnano, Sandra L Kopp
BACKGROUND: Multimodal analgesia is standard practice for total knee arthroplasty; however, the role of regional techniques in improved perioperative outcomes remains unknown. The authors hypothesized that peripheral nerve blockade would result in lower pain scores and opioid consumption than two competing periarticular injection solutions. METHODS: This three-arm, nonblinded trial randomized 165 adults undergoing unilateral primary total knee arthroplasty to receive (1) femoral catheter plus sciatic nerve blocks, (2) ropivacaine-based periarticular injection, or (3) liposomal bupivacaine-based periarticular injection...
February 24, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28234616/the-development-and-validation-of-a-multivariable-model-to-predict-whether-patients-referred-for-total-knee-replacement-are-suitable-surgical-candidates-at-the-time-of-initial-consultation
#9
Laura Churchill, Samuel J Malian, Bert M Chesworth, Dianne Bryant, Steven J MacDonald, Jacquelyn D Marsh, J Robert Giffin
BACKGROUND: In previous studies, 50%-70% of patients referred to orthopedic surgeons for total knee replacement (TKR) were not surgical candidates at the time of initial assessment. The purpose of our study was to identify and cross-validate patient self-reported predictors of suitability for TKR and to determine the clinical utility of a predictive model to guide the timing and appropriateness of referral to a surgeon. METHODS: We assessed pre-consultation patient data as well as the surgeon's findings and post-consultation recommendations...
December 2016: Canadian Journal of Surgery. Journal Canadien de Chirurgie
https://www.readbyqxmd.com/read/28234591/cost-savings-of-outpatient-versus-standard-inpatient-total-knee-arthroplasty
#10
Adrian Huang, Jae-Jin Ryu, Geoffrey Dervin
BACKGROUND: With diminishing reimbursement rates and strained public payer budgets, a high-volume inpatient procedure, such as total knee arthroplasty (TKA), is a common target for improving cost efficiencies. METHODS: This prospective case-control study compared the cost-minimization of same day discharge (SDD) versus inpatient TKA. We examined if and where cost savings can be realized and the magnitude of savings that can be achieved without compromising quality of care...
February 2017: Canadian Journal of Surgery. Journal Canadien de Chirurgie
https://www.readbyqxmd.com/read/28234587/analysis-of-contributing-factors-influencing-thromboembolic-events-after-total-knee-arthroplasty
#11
Sylvie Plante, Etienne L Belzile, Dominique Fréchette, Jean Lefebvre
BACKGROUND: Venous thromboembolic events (VTE) are a known and well-described complication following total knee arthroplasty (TKA). We sought to validate the American College of Chest Physicians thromboprophylaxis recommendations after elective TKA, paying special attention to our dose adjustments for weight, and their impact on VTE in our population. METHODS: We retrospectively investigated risk factors in patients undergoing TKA, focusing mainly on symptomatic VTE occurrence rates from deep vein thrombosis (DVT) or pulmonary embolism (PE)...
February 2017: Canadian Journal of Surgery. Journal Canadien de Chirurgie
https://www.readbyqxmd.com/read/28234586/antegrade-versus-retrograde-nailing-techniques-and-trochanteric-versus-piriformis-intramedullary-nailing-entry-points-for-femoral-shaft-fractures-a-systematic-review-and-meta-analysis
#12
Nasir Hussain, Farrah Naz Hussain, Corey Sermer, Hera Kamdar, Emil H Schemitsch, Amir Sternheim, Paul Kuzyk
BACKGROUND: There are several different techniques commonly used to perform intramedullary (IM) nailing of the femur to fix femoral fractures. We sought to identify significant differences in outcomes of studies comparing 1) trochanteric and piriformis entry and 2) antegrade and retrograde entry in IM nailing of the femur. METHODS: We searched MEDLINE, Cochrane and Embase databases and the Orthopaedic Trauma Association and American Academy of Orthopaedic Surgeons websites for comparative studies published from inception to November 2015...
February 2017: Canadian Journal of Surgery. Journal Canadien de Chirurgie
https://www.readbyqxmd.com/read/28234228/antegrade-versus-retrograde-nailing-techniques-and-trochanteric-versus-piriformis-intramedullary-nailing-entry-points-for-femoral-shaft-fractures-a%C3%A2-systematic-review-and-meta-analysis
#13
Nasir Hussain, Farrah Naz Hussain, Corey Sermer, Hera Kamdar, Emil H Schemitsch, Amir Sternheim, Paul Kuzyk
BACKGROUND: There are several different techniques commonly used to perform intramedullary (IM) nailing of the femur to fix femoral fractures. We sought to identify significant differences in outcomes of studies comparing 1) trochanteric and piriformis entry and 2) antegrade and retrograde entry in IM nailing of the femur. METHODS: We searched MEDLINE, Cochrane and EMBASE databases and the Orthopaedic Trauma Association and American Academy of Orthopaedic Surgeons websites for comparative studies published from inception to November 2015...
December 1, 2016: Canadian Journal of Surgery. Journal Canadien de Chirurgie
https://www.readbyqxmd.com/read/28234225/analysis-of-contributing-factors-influencing-thromboembolic-events-after-total-knee-arthroplasty
#14
Sylvie Plante, Etienne L Belzile, Dominique Fréchette, Jean Lefebvre
BACKGROUND: Venous thromboembolic events (VTE) are a known and well-described complication following total knee arthroplasty (TKA). We sought to validate the American College of Chest Physicians thromboprophylaxis recommendations after elective TKA, paying special attention to our dose adjustments for weight, and their impact on VTE in our population. METHODS: We retrospectively investigated risk factors in patients undergoing TKA, focusing mainly on symptomatic VTE occurrence rates from deep vein thrombosis (DVT) or pulmonary embolism (PE)...
December 1, 2016: Canadian Journal of Surgery. Journal Canadien de Chirurgie
https://www.readbyqxmd.com/read/28233928/extending-the-limits-of-the-anterior-tibial-artery-as-the-recipient-vessel-for-around-the-knee-and-proximal-lower-extremity-defect-reconstruction-using-the-free-anterolateral-thigh-and-gracilis-flap
#15
Mathias Tremp, Elisabeth A Kappos, Carlo M Oranges, Pietro G di Summa, Dirk J Schaefer, Yi Xin Zhang, Reto Wettstein, Daniel F Kalbermatten
PURPOSE: The aim is to describe a technique with orthograde dissection of the anterior tibial artery (ATA) used as the recipient vessel for the end-to-end (ETE) anastomosis in defect reconstruction around the knee and for proximal/middle third leg defects with free anterolateral thigh (ALT) and gracilis flaps. PATIENTS AND METHODS: Between March 2009 and May 2014, 22 patients undergoing lower extremity reconstruction were evaluated. Of those, 4 patients were included...
February 24, 2017: Microsurgery
https://www.readbyqxmd.com/read/28233675/trajectory-of-self-reported-pain-and-function-and-knee-extensor-muscle-strength-in-young-patients-undergoing-arthroscopic-surgery-for-meniscal-tears-a-systematic-review-and-meta-analysis
#16
REVIEW
Jonas Bloch Thorlund, Lasse Østengaard, Nathan Cardy, Fiona Wilson, Claus Jørgensen, Carsten Bogh Juhl
OBJECTIVES: To investigate the trajectory of patient reported pain and function and knee extensor muscle strength over time in young individuals undergoing arthroscopic meniscal surgery. DESIGN: Systematic review and meta-analysis METHODS: Six databases were searched up to October 13th, 2016. PATIENTS AND INTERVENTION: People aged 30 years or younger undergoing surgery for a meniscal tear. OUTCOMES: and comparator: (1) Self-reported pain and function in patients undergoing meniscal surgery compared to a non-operative control group (2)...
February 20, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28233658/enhanced-recovery-protocols-after-hip-and-knee-replacement-surgery-an-update
#17
S Molko, A Combalia
Enhanced, or fast-track, recovery after surgery has appeared in the last 20 years or so as a combination of the optimisation of clinical and organisational protocols, pursuing the reduction in surgical stress with the aim of reducing peri-operative comorbidities, convalescence time, and functional recovery, resulting in a reduction in admission time. After a review of the European literature available on this subject, this article attempts to present an update. It highlights its interest and origins, basically being set out as a response to the question: 'Why is this patient in Hospital today?' It also attempts to summarise the essence of enhanced protocols: the search for immediate post-surgical mobilisation, being supported in a multidisciplinary approach...
February 20, 2017: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/28233605/total-knee-arthroplasty-with-computer-assisted-navigation-more-closely-replicates-normal-knee-biomechanics-than-conventional-surgery
#18
Jodie A McClelland, Kate E Webster, Alankar A Ramteke, Julian A Feller
BACKGROUND: Computer-assisted navigation in total knee arthroplasty (TKA) reduces variability and may improve accuracy in the postoperative static alignment. The effect of navigation on alignment and biomechanics during more dynamic movements has not been investigated. METHODS: This study compared knee biomechanics during level walking of 121 participants: 39 with conventional TKA, 42 with computer-assisted navigation TKA and 40 unimpaired control participants. RESULTS: Standing lower-limb alignment was significantly closer to ideal in participants with navigation TKA...
February 20, 2017: Knee
https://www.readbyqxmd.com/read/28233604/effects-of-suture-and-tourniquet-on-intraoperative-kinematics-in-navigated-total-knee-arthroplasty
#19
Masanori Tsubosaka, Kazunari Ishida, Hiroshi Sasaki, Nao Shibanuma, Ryosuke Kuroda, Tomoyuki Matsumoto
BACKGROUND: To investigate the effects of suture (soft tissue closure) and air tourniquet use on intraoperative kinematics in navigated total knee arthroplasty. METHODS: The study included 20 patients with varus-type knee osteoarthritis who underwent primary posterior-stabilized total knee arthroplasty using computed tomography (CT)-based navigation. Intraoperative tibiofemoral kinematics from maximum extension to maximum flexion were measured using the computed tomography-based navigation...
January 30, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28233603/patient-s-height-and-hip-medial-offset-are-the-main-determinants-of-the-valgus-cut-angle-during-total-knee-arthroplasty
#20
Michael Drexler, Mansour Abolghasemian, Richard Barbuto, Mohsen S Naini, Neda Voshmeh, Tal F Rutenberg, Ran Schwarzkopf, David J Backstein
BACKGROUND: Valgus cut angle (VCA), defined as the angle between the anatomical and the mechanical axes of femur, is an important parameter upon which a critical step of knee arthroplasty is based. Some variables have been proposed to affect the magnitude of this cut. However, little information is available regarding whether a generic value can be used, or if a patient-specific value from a long leg X-ray, or factors that can be determined preoperatively, is necessary to accurately set the VCA...
January 20, 2017: Journal of Arthroplasty
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