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https://www.readbyqxmd.com/read/29913029/repair-of-the-released-conjoined-tendon-after-direct-anterior-total-hip-arthroplasty
#1
Brian P Gladnick, John L Masonis
Release of the conjoined tendon has been reported to facilitate femoral exposure during a direct anterior hip approach. However, the authors are not familiar with any description of an anterior approach repair technique for this important structure. Conjoined tendon repair is commonly performed in the posterior approach to help preserve hip biomechanics and restore anatomic tissue planes. The authors describe their algorithm for sequential soft tissue releases to facilitate femoral exposure and a technique for repairing the insertion of the conjoined tendon after it has been released for exposure during the direct anterior approach...
June 18, 2018: Orthopedics
https://www.readbyqxmd.com/read/29912743/do-well-functioning-thas-retrieved-at-autopsy-exhibit-evidence-of-fretting-and-corrosion
#2
Jeffrey Lange, Amanda Wach, Chelsea N Koch, Robert H Hopper, Henry Ho, Charles A Engh, Timothy M Wright, Douglas E Padgett
BACKGROUND: Our understanding of fretting and corrosion at head-neck junctions in modular THAs in vivo is based largely on the analysis of retrieved implants removed for various diagnoses. Little is known about the condition of head-neck tapers in well-functioning THAs. QUESTIONS/PURPOSES: Regarding a cohort of well-functioning autopsy-retrieved modular THAs, we asked: (1) Does trunnion geometry or femoral head material affect the pull-off force of the femoral head? (2) Is there a relationship between trunnion damage and length of implantation time, head diameter, and neck length? (3) Does visual damage scoring accurately determine the presence or absence of corrosion on cobalt-chrome trunnions? METHODS: Sixty-six femoral stems and engaged femoral heads were retrieved at autopsy from 53 patients at Anderson Orthopaedic Research Institute from 1998 to 2014...
June 13, 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29912627/cortical-and-trabecular-bone-analysis-of-professional-dancers-using-3d-dxa-a-case-control-study
#3
Laura Freitas, Tânia Amorim, Ludovic Humbert, Roger Fonollá, Andreas D Flouris, George S Metsios, Athanasios Z Jamurtas, Yiannis Koutedakis
Given the lack of relevant data, the aim of this study was to examine femur cortical and trabecular bone in female and male professional ballet dancers. 40 professional ballet dancers and 40 sex- and age-matched non-exercising controls volunteered. Femoral bone density was scanned by dual-energy X-ray absorptiometry (DXA) scan. A 3D-DXA software was used to analyse trabecular and cortical bone. Anthropometry, maturation (Tanner staging), menstrual parameters (age at menarche and primary amenorrhea), energy availability and nutritional analysis (3-day record) were also assessed...
June 18, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29912229/-balloon-assisted-tracking-technique-to-preserve-radial-access-during-percutaneous-coronary-intervention
#4
Giovanni Lorenzoni, Pierluigi Merella, Gavino Casu
Transradial access for cardiac catheterization and percutaneous coronary intervention is recommended by international guidelines to reduce vascular complications. Unfortunately, some factors such as female sex, shorter body surface area and older age, were found to be independent predictors of transradial cardiac catheterization failure. The balloon-assisted tracking technique is a smart trick to avoid crossover from radial to femoral access in case of spasm, tortuosity, or stenosis.
June 2018: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/29912207/improved-registration-of-3d-ct-angiography-with-x-ray-fluoroscopy-for-image-fusion-during-transcatheter-aortic-valve-implantation
#5
Ina Vernikouskaya, Wolfgang Rottbauer, Julia Seeger, Birgid Gonska, Jochen Wöhrle, Volker Rasche
The fusion of 3D anatomical models derived from high-fidelity pre-interventional computed tomography angiography (CTA), and x-ray (XR) fluoroscopy to facilitate anatomical guidance is of huge interest for complex cardiac interventions like TAVI procedures with cerebral protection. Co-registration of CTA and XR has been introduced either based on additional intraoperative non-/contrast-enhanced cone-beam computed tomography (CBCT) or two separate aortograms. With the related increase of radiation exposure and/or contrast agent (CA) dose, a potential additional risk for the patient is introduced...
June 3, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29912080/validity-of-the-handheld-doppler-to-determine-lower-limb-blood-flow-restriction-pressure-for-exercise-protocols
#6
Gilberto C Laurentino, Jeremy P Loenneke, James G Mouser, Samuel L Buckner, Brittany R Counts, Scott J Dankel, Matthew B Jessee, Kevin T Mattocks, Wagner Iared, Lucas D Tavares, Emerson L Teixeira, Valmor Tricoli
Laurentino, GC, Loenneke, JP, Mouser, JG, Buckner, SL, Counts, BR, Dankel, SJ, Jessee, MB, Mattocks, KT, Iared, W, Tavares, LD, Teixeira, EL, and Tricoli, V. Validity of the handheld Doppler to determine lower-limb blood flow restriction pressure for exercise protocols. J Strength Cond Res XX(X): 000-000, 2018-Handheld (HH) Doppler is frequently used for determining the arterial occlusion pressure during blood flow restriction exercises; however, it is unknown whether the blood flow is occluded when the auscultatory signal is no longer present...
June 14, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29911694/abaloparatide-for-the-treatment-of-postmenopausal-osteoporosis
#7
L Pietrogrande, E Raimondo
Abaloparatide is a synthetic 34-amino acid peptide analogue of the 1-34 portion of the human parathyroid hormone-related protein (PTHrP). It has been approved in the U.S. for the treatment of postmenopausal women with osteoporosis at a high risk for fracture. Abaloparatide is an anabolic agent and it seems to have a potent anabolic activity with reduced effects on bone resorption. It reduces the risk of vertebral and nonvertebral fractures, major osteoporotic fractures and clinical fractures, with a significant improvement in bone mineral density at femoral neck, total hip and lumbar spine...
May 2018: Drugs of Today
https://www.readbyqxmd.com/read/29911277/sciatic-and-femoral-nerve-injury-among-patients-who-received-bernese-peri-acetabular-osteotomy
#8
Jinxin Yang, Zhendong Zhang, Hui Cheng, Kai Xiao, Dianzhong Luo, Hong Zhang
AIM: To investigate the incidence, risk factors, and the last follow-up recovery status of sciatic and femoral nerve injury among patients who received Bernese peri-acetabular osteotomy (PAO). PATIENTS AND METHODS: The clinical file of 643 consecutive patients who received PAO from June 2012 to June 2016 was retrospectively reviewed. The number of nerve injury patients was calculated and the causes of injury were recorded. RESULTS: The sciatic or femoral nerve injury occurred in eight patients (1...
June 18, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29911139/high-serum-alpha-2-macroglobulin-level-in-patients-with-osteonecrosis-of-the-femoral-head
#9
Zari Naderi Ghale-Noie, Mohammad Hassani, Amir R Kachooei, Mohammad A Kerachian
Background: Diagnosis of osteonecrosis of the femoral head (ONFH) is complicated due to the lack of reliable serum biomarkers. Up-regulation of alpha-2-macroglobulin (A2M) gene has been reported in glucocorticoid-induced ANFH rat model. This study aimed to investigate whether the serum level of alpha-2-macroglobulin (A2M) can be used for ONFH diagnosis. Methods: Serum protein capillary electrophoresis was performed on the sera of 36 ONFH patients. Also, human enzyme-linked immunosorbent assay was performed to evaluate the serum levels of A2M...
May 2018: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/29911134/titanium-elastic-nails-versus-spica-cast-in-pediatric-femoral-shaft-fractures-a-systematic-review-and-meta-analysis-of-1012-patients
#10
REVIEW
Mohamed A Imam, Ahmed S Negida, Ahmed Elgebaly, Amr Samy Hussain, Lukas Ernstbrunner, Saqib Javed, Joshua Jacob, Mark Churchill, Paul Trikha, Kevin Newman, David Elliott, Arshad Khaleel
Background: There is a general consensus on the management of femoral fractures in children younger than two years and adolescents older than sixteen years. The best treatment for patients younger than sixteen years of age is still debatable. Titanium Elastic Nails (TEN), is widely used with some evidence, nonetheless, we undertook a systematic meta-analysis to assess the efficacy of TEN compared to Spica cast for the management of femoral shaft fracture in children aged between 2 to 16 years old...
May 2018: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/29911091/high-congenital-hip-dislocation-in-adults-arthroplasty-and-functional-results
#11
Diogo Lino Moura, António Figueiredo
Objective: Retrospective case-control study on the authors' experience regarding arthroplasty in high congenital dislocations of the hip in adults. Methods: Sample with 11 high congenital hip dislocations (Hartofilakidis type C) that occurred in seven patients, who were submitted to hip arthroplasty by the same surgeon and with the same surgical technique. Mean follow-up period was 4.32 ± 2.67 years (minimum one year) and all patients were evaluated by the same examiner...
March 2018: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/29911079/evaluation-of-benefits-and-accuracy-of-a-mobile-application-in-planning-total-knee-arthroplasties
#12
João Bosco Sales Nogueira, Abrahão Cavalcante Gomes de Souza Carvalho, Edgar Marçal de Barros Filho, Leonardo Heráclio do Carmo Araújo, Marcelo José Cortez Bezerra, Marco Kawamura Demange
Objective: To evaluate the usefulness of an application when planning total knee arthroplasties (TKA), besides the accuracy when measuring the anatomical-mechanical femoral angle (AMFA), comparing, also, the time spent during planning a TKA manually and by using the application. Methods: An interdisciplinary team involving health and computer science areas established activities in order to develop the application. After development, 24 physicians underwent an application usability test...
March 2018: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/29911036/assessment-of-cardiovascular-risk-in-natural-and-surgical-menopause
#13
S Zafar Abbas, Vijayata Sangawan, Asim Das, Anil Kumar Pandey
Background: Menopause is associated with increased cardiovascular disease (CVD) risk. Arterial stiffness, a biomarker of vascular aging, increases the risk for CVD. Aims and Objectives: The study was aimed to determine whether menopause is associated with arterial stiffness amongst natural and surgical menopausal women. Materials and Methods: We conducted a cross-sectional study amongst natural postmenopausal women, with Surgical menopause and Premenopausal...
March 2018: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29911017/free-floating-right-heart-thrombus-with-acute-massive-pulmonary-embolism-a-case-report-and-review-of-the-literature
#14
Fida Charif, Mohamad Jihad Mansour, Righab Hamdan, Claudette Najjar, Pierre Nassar, Mohamad Issa, Elie Chammas, Mohamad Saab
Free-floating right heart thrombus (RHT) is an extreme medical emergency in the context of acute massive pulmonary embolism (PE). Despite the advances in early diagnosis, the management is still very debatable due to lack of consensus. We reported the case of a 66-year-old male, with a history of moderate renal dysfunction and dilated cardiomyopathy, who presented to the emergency department for acute dyspnea. His angiographic magnetic resonance imaging revealed bilateral extensive PE. Transthoracic echocardiography showed RHT with moderate right ventricular dysfunction and pulmonary hypertension...
April 2018: Journal of Cardiovascular Echography
https://www.readbyqxmd.com/read/29910576/the-guideliner-catheter-a-supportive-tool-in-percutaneous-coronary-intervention-of-chronic-total-occlusion
#15
Jan-Erik Guelker, Christian Blockhaus, Knut Kroeger, Rosemarie Wehner, Heinrich Klues, Alexander Bufe
Background: Failure of delivering a stent or a balloon across the target lesion during percutaneous coronary intervention (PCI) of chronic total occlusion (CTO), especially in arteries with calcified tortuous anatomy, is often due to insufficient backup support from the guiding catheter. The purpose of this study was to assess the feasibility of the GuideLiner (GL) catheter use. Methods: We examined 18 patients and used the GL catheter to overcome poor support and excessive friction in standardized antegrade and retrograde CTO procedures...
April 2018: Journal of the Saudi Heart Association
https://www.readbyqxmd.com/read/29910190/racial-differences-in-in-vivo-adipose-lipid-kinetics-in-humans
#16
Ursula A White, Mark D Fitch, Robbie A Beyl, Marc K Hellerstein, Eric Ravussin
The storage of lipids as triglycerides (TG) and the de novo synthesis (lipogenesis) of fatty acids from non-lipid precursors (DNL) are important functions of adipose tissue (AT) that influence whole body metabolism. Yet, few studies have reported in vivo estimates of adipose lipid kinetics in humans. Fifty-two women with obesity (27 African-Americans; 25 Caucasians; 29.7 ± 5.5 years; BMI 32.2 ± 2.8 kg/m2 ; 44.3 ± 4.0% body fat) were enrolled in the study. In vivo synthesis (or replacement) of triglycerides (fTG ) and the synthesis of the fatty acid palmitate (measure of adipose de novo lipogenesis (fDNL )) were assessed using an 8-week incorporation of deuterium (2 H) into lipids (glycerol and palmitate moieties of TGs) in subcutaneous abdominal (scABD) and femoral (scFEM) AT...
June 17, 2018: Journal of Lipid Research
https://www.readbyqxmd.com/read/29909956/laxity-profiles-in-the-native-and-replaced-knee-application-to-robotic-assisted-gap-balancing-total-knee-arthroplasty
#17
Sami Shalhoub, Wayne E Moschetti, Leonid Dabuzhsky, David S Jevsevar, John M Keggi, Christopher Plaskos
BACKGROUND: The traditional goal of the gap-balancing method in total knee arthroplasty is to create equal and symmetric knee laxity throughout the arc of flexion. The purpose of this study was to (1) quantify the laxity in the native and the replaced knee throughout the range of flexion in gap-balancing total knee arthroplasty (TKA) and (2) quantify the precision in achieving a targeted gap profile throughout flexion using a robotic-assisted technique with active ligament tensioning...
May 14, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29909854/retrograde-administration-of-ultrasound-guided-endovenous-microfoam-chemical-ablation-for-the-treatment-of-superficial-venous-insufficiency
#18
Steven T Deak
OBJECTIVE: This study measured patient outcomes among symptomatic patients with superficial chronic venous insufficiency who were treated with retrograde ultrasound-guided polidocanol microfoam 1% in a community setting. METHODS: Between March 2015 and June 2017, 250 symptomatic patients with C2-C6 chronic venous insufficiency received polidocanol microfoam 1% and were followed for 16 ± 7 months. Sixteen of the 250 patients (6.4%) had skin ulcers, and 56 (22...
July 2018: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/29909853/stent-patency-in-patients-with-advanced-chronic-venous-disease-and-nonthrombotic-iliac-vein-lesions
#19
Syed Ali Rizvi, Enrico Ascher, Anil Hingorani, Natalie Marks
OBJECTIVE: Midterm patency results of iliac vein stents placed for nonthrombotic iliac vein lesions (NIVLs) are not widely known. Previously published studies involving large series of patients with iliac vein stent placement have failed to clearly demonstrate the outcomes for patients with NIVLs and advanced disease. To further study this issue, we reviewed our series of 268 iliac vein stents placed for NIVLs. METHODS: Retrospective analysis was performed of 210 patients who underwent common or external iliac vein angioplasty and stent placement procedures between January 2013 and December 2014...
July 2018: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/29909735/dosimetric-evaluation-of-pinnacle-s-automated-treatment-planning-software-to-manually-planned-treatments
#20
Kristen A McConnell, Tyler Marston, Brianna Elizabeth Zehren, Aziz Lirani, Dennis N Stanley, Aaron Bishop, Richard Crownover, Tony Eng, Zheng Shi, Ying Li, Diana Baacke, Neil Kirby, Karl Rasmussen, Niko Papanikolaou, Alonso N Gutierrez
INTRODUCTION: With the advent of complex treatment techniques like volumetric modulated arc therapy, there has been increasing interest in treatment planning technologies aimed at reducing planning time. One of these such technologies is auto-planning, which is an automated planning module within Pinnacle3 . This study seeks to retrospectively evaluate the dosimetric quality of auto-planning-derived treatment plans as they compare to manual plans for intact prostate, prostate and lymph nodes, and brain treatment sites...
January 1, 2018: Technology in Cancer Research & Treatment
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