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https://www.readbyqxmd.com/read/28932503/effect-of-high-tibial-osteotomy-on-hip-biomechanics-in-patients-with-genu-varum-a%C3%A2-prospective-cohort-study
#1
Mehdi Moghtadaei, Ali Yeganeh, Bahram Boddouhi, Atefe Alaee, Hossein Farahini, Babak Otoukesh
BACKGROUND AND AIMS: The aim of this study is to evaluate the effect of proximal tibia osteotomy on hip biomechanics. METHODS: This cohort study was conducted on 50 knees of 37 patients divided into two groups of unilateral and bilateral surgeries during 2015-2016. Patients underwent medial open-wedge osteotomy of proximal tibia. Axial alignment of lower limb radiography was carried out for the patients before and after the osteotomy. RESULTS: Findings from unilateral and bilateral high tibial osteotomies demonstrated that the average of greater trochanter (GT) angle from femoral head center and also the average angle of knee varus were significantly decreased (P = 0...
June 2017: Interventional Medicine & Applied Science
https://www.readbyqxmd.com/read/28917605/outcomes-using-wedge-stem-with-full-hydroxiapatite-coverage-with-a-minimum-of-5-years-follow-up
#2
D Godoy-Monzon, M Buttaro, F Comba, G Zanotti, F Piccaluga, I Neira-Borrajo
INTRODUCTION: Total Hip Arthroplsty (THA) using uncemented stems is a popular practice in the last decades. The implant survivorship is crtitical and a less than 10% revision at 10 years is been propesed for commercialization and use. OBJECTIVE: To analyse the clinicoradiological results of an uncemented hydroxiapatite covered wedge stem with a 5 years minimum follow up. MATERIAL AND METHODS: Prospective study, patients aged from 21-75years were included...
September 13, 2017: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/28914679/reliability-of-a-skin-diagnostic-device-in-assessing-hydration-and-erythema
#3
Koh Huimin, Alexandra M Rowledge, Caroline J Borzdynski, Charne Miller, Nicoletta Frescos, Gayle McKenzie, Elizabeth Perry, William McGuiness
OBJECTIVE: To examine the reliability of a skin diagnostic device, the SD202 (Courage+Khazaka GmBH, Cologne, Germany), in assessing hydration and erythema of periwound skin and pressure injury-prone areas. DESIGN: Intrarater reliabilities from 3 cross-sectional and prospective studies are reported. SETTING AND PARTICIPANTS: Patients attending an outpatient, nurse-led wound dressing clinic (n = 16), a podiatrist-led high-risk foot clinic (n = 17), and residents (n = 38) at a single residential aged-care facility...
October 2017: Advances in Skin & Wound Care
https://www.readbyqxmd.com/read/28900737/the-benefit-of-the-systematic-revision-of-the-acetabular-implant-in-favor-of-a-dual-mobility-articulation-during-the-treatment-of-periprosthetic-fractures-of-the-femur-a-49-cases-prospective-comparative-study
#4
A Perrin, M Saab, S Putman, K Benad, E Drumez, C Chantelot
INTRODUCTION: The SOFCOT symposium (2005) on periprosthetic fractures of the femur (PFFs) highlighted a high rate of dislocation (15.6% at 6 months) after change of prosthesis. So far, no study has ever proved the benefit of dual-mobility articulation during PFFs revisions. We conducted a comparative study on two prospective cohorts in order to (1) assess the influence of systematic acetabular revision in favor of a double mobility on dislocation rate (2) and in order to evaluate the rate of morbidity associated with this extra surgical procedure...
September 12, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28891021/anteromedial-cortical-support-reduction-in-unstable-pertrochanteric-fractures-a-comparison-of-intra-operative-fluoroscopy-and-post-operative-three-dimensional-computerised-tomography-reconstruction
#5
Shi-Min Chang, Ying-Qi Zhang, Shou-Chao Du, Zhuo Ma, Sun-Jun Hu, Xi-Zhou Yao, Wen-Feng Xiong
PURPOSE: Anteromedial cortical support reduction is favourable for secondary stability after limited sliding in unstable pertrochanteric fractures. The aim of this study was to compare the accuracy and agreement between intra-operative fluoroscopy and post-operative 3D reconstruction. MATERIALS AND METHODS: A retrospective analysis of 28 patients (mean 81.6 years) treated with short cephalomedullary nails was performed. All patients had full sets of intra-operative fluoroscopy and post-operative 3D CT images...
September 10, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28882379/reliable-anatomical-landmarks-for-minimizing-leg-length-discrepancy-during-hip-arthroplasty-using-the-lateral-transgluteal-approach-for-femoral-neck-fracture
#6
Jeung Il Kim, Nam Hoon Moon, Won Chul Shin, Kuen Tak Suh, Jae Yoon Jeong
BACKGROUND: The purpose of this study was to describe our experience of a preoperative templating technique, and to investigate the most reliable anatomical reference to minimize leg length discrepancy (LLD) during hip arthroplasty using the lateral transgluteal approach for femoral neck fractures. We hypothesized that the medial fracture tip and greater trochanter would be viable alternative anatomical References METHODS: A total of 156 hip arthroplasty cases were enrolled in the present study (103 women, 114 hemiarthroplasties, 42 total hip arthroplasties)...
September 1, 2017: Injury
https://www.readbyqxmd.com/read/28878467/key-function-for-obstacle-crossing-in-hemiplegic-persons-with-varied-degrees-of-spasticity
#7
Hideaki Tanaka, Masami Yokogawa, Takao Nakagawa, Masahide Ibune, Toshihiro Ishiwatari, Shinichirou Kawakita
[Purpose] To evaluate various key functions related to obstacle crossing motions in hemiplegic people based on the paralysis degree. [Subjects and Methods] Thirty-seven patients with maintenance-stage hemiplegia who could independently ambulate outdoors were included. Subjects' crossing movements were measured using obstacles with heights of 10%, 20%, and 30% of the trochanter length. The relationship among maximal crossing height and isometric knee extension muscle strength, one leg standing time, Trunk Impairment Scale score, disease duration, and subject age was examined, as was the target variable of maximum crossing height and the top four measurement items, to determine the explanatory variables...
August 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28872111/method-and-instrumented-fixture-for-femoral-fracture-testing-in-a-sideways-fall-on-the-hip-position
#8
Dan Dragomir-Daescu, Asghar Rezaei, Timothy Rossman, Susheil Uthamaraj, Rachel Entwistle, Sean McEligot, Vincent Lambert, Hugo Giambini, Iwona Jasiuk, Michael J Yaszemski, Lichun Lu
Mechanical testing of femora brings valuable insights into understanding the contribution of clinically-measureable variables such as bone mineral density distribution and geometry on the femoral mechanical properties. Currently, there is no standard protocol for mechanical testing of such geometrically complex bones to measure strength, and stiffness. To address this gap we have developed a protocol to test cadaveric femora to fracture and to measure their biomechanical parameters. This protocol describes a set of adaptable fixtures to accommodate the various load magnitudes and directions accounting for possible bone orientations in a fall on the hip configuration, test speed, bone size, and left leg-right leg variations...
August 17, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28867562/long-term-anti-tumor-activity-and-safety-of-enzalutamide-monotherapy-in-hormone-na%C3%A3-ve-prostate-cancer-3-year-open-label-follow-up-results
#9
Bertrand Tombal, Michael Borre, Per Rathenborg, Patrick Werbrouck, Hendrik Van Poppel, Axel Heidenreich, Peter Iversen, Johan Braeckman, Jiri Heracek, Benoit Baron, Andrew Krivoshik, Mohammad Hirmand, Matthew R Smith
PURPOSE: A phase 2 study of enzalutamide monotherapy in patients with hormone-naïve prostate cancer demonstrated high prostate-specific antigen response rates at 25 weeks, 1 year and 2 years, with minimal effects on total body bone mineral density and favorable safety. This follow-up analysis evaluated enzalutamide's anti-tumor activity and safety at 3 years. MATERIALS AND METHODS: Sixty-seven patients with hormone-naïve prostate cancer and non-castrate testosterone (≥230 ng/dL) received enzalutamide 160 mg/day orally until disease progression or unacceptable toxicity in a single-arm analysis...
August 31, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28862661/the-effect-of-taichi-practice-on-attenuating-bone-mineral-density-loss-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#10
REVIEW
Liye Zou, Chaoyi Wang, Kevin Chen, Yankai Shu, Xiaoan Chen, Lin Luo, Xitang Zhao
Objective: The purpose of this study was to determine the effects of practicing Taichi on attenuating bone mineral density (BMD) loss. Methods: Both electronic and manual searches were performed for randomized controlled trials (RCTs) examining Taichi for bone health. Two review authors independently performed study selection and data extraction according to inclusion criteria. A third party (Lin Luo) emerged to discuss with the two review authors and resolve a disagreement. Results: Twenty RCTs were found to meet the inclusion criteria and used for meta-analysis with a total effective sample of 1604...
September 1, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28861191/porous-femoral-fixation-in-total-hip-arthroplasty-with-short-anatomical-stem-radiographic-evaluation
#11
Suresh Patil, Carrilero Luis, Henry Finn
BACKGROUND: Hip prostheses with short anatomical stems were designed for metaphyseal fixation and to spare bone stock. We present a study of a short anatomical femoral stem used in all age groups of patients with Dorr A and B type of femora. METHODS: We reviewed radiographs of 85 hips in 74 patients who had a cementless total hip arthroplasty with a short anatomical 80 mm femoral stem designed to achieve pure metaphyseal fixation. A ream-only technique was used for femoral canal preparation in all patients...
September 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/28858058/resistance-training-is-associated-with-higher-lumbar-spine-and-hip-bone-mineral-density-in-competitive-male-cyclists
#12
Shannon L Mathis, Jennifer L Caputo
In contrast to other athletic activities, competitive cycling is associated with low areal bone mineral density (BMD). This investigation evaluated training and dietary factors associated with BMD in a sample of competitive male cyclists. Lumbar spine, total hip, femoral neck, and femoral trochanter BMD were measured with dual x-ray absorptiometry in 40 cyclists at the start of a cycling season. Participants reported weekly hours of cycling and weight training, years of competitive cycling experience, and completed a one-day dietary recall to allow estimation of dietary calcium intake...
August 26, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28852330/femoral-iatrogenic-subtrochanteric-fatigue-fracture-risk-is-not-increased-by-placing-drill-holes-below-the-level-of-the-lesser-trochanter
#13
Andrew G Tsai, Timothy J Ashworth, Randall Marcus, Ozan Akkus
BACKGROUND: Iatrogenic subtrochanteric fractures of the femur can occur postoperatively following placement of screws in the lateral femoral cortex. Drilling holes below the lesser trochanter is generally avoided to prevent fatigue failure; however, there is little biomechanical evidence to support this recommendation. We hypothesized that hole placement below the level of the lesser trochanter will not accelerate fatigue failure compared to holes at the level of the lesser trochanter...
2017: Iowa Orthopaedic Journal
https://www.readbyqxmd.com/read/28828345/evaluation-of-bone-density-serum-total-and-ionized-calcium-alkaline-phosphatase-and-25-hydroxy-vitamin-d-in-papillary-thyroid-carcinoma-and-their-relationship-with-tsh-suppression-by-levothyroxine
#14
Ali Kachui, Seyed Mashaallah Tabatabaizadeh, Bijan Iraj, Hasan Rezvanian, Awat Feizi
BACKGROUND: This study aimed to evaluate the situation of Bone Mineral Density (BMD), Z score, T score, serum level of corrected and ionized calcium, alkaline phosphatase and 25-hydroxy vitamin D in percutaneous transhepatic cholangiography (PTC) patients and correlation of these variants with thyroid stimulating hormone (TSH) suppression level by levothyroxine. MATERIALS AND METHODS: Among the patients referred to Esfahan's endocrinology research center, 34 PTC patients (aged 20-50 years) with a history of thyroidectomy and conceived radioactive iodine and suppressive dose of levothyroxine were evaluated in this case-control study, and 38 healthy persons participated as the control group (matched by age and sex, body mass index)...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28809632/cerclage-breakage-in-trochanteric-revision-high-risk-for-hip-endoprosthesis
#15
M J Kraus, A M Nowakowski
We report a 72-year-old man who underwent fixation with a multifilament cerclage system after a peri-prosthetic trochanteric fracture (Vancouver A1). Failure of cerclage occurred after 23 month and revision of trochanteric attachment was performed due to non-union. Intraoperatively fragments of the cable were found between prosthesis head and liner. Cup and head were changed and the greater trochanter was re-attached after allograft-impaction. Based on the present case report multifilament cerclage cables should be used with precaution and might require a close and frequent follow-up given the possibility of cerclage breakage and consecutive catastrophic wear by migration of cerclage particles...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28808753/segmental-torsion-assessment-is-a-reliable-method-for-in-depth-analysis-of-femoral-alignment-in-computer-tomography
#16
Peter Wilhelm Ferlic, Armin Runer, Christopher Seeber, Maria Thöni, Gerd Seitlinger, Michael Christian Liebensteiner
PURPOSE: De-rotational osteotomies are indicated in patients with pathologic femoral torsion. However, there is disagreement whether an osteotomy should be performed proximally or distally. Conventionally only the total torsion is measured, which does not allow differentiation between a torsional deformity located in the proximal or distal metaphysis or the diaphysis. The aim of this study is to validate a new multi-level measurement protocol for evaluation of the magnitude of torsion of the respective femoral segments in CT...
August 14, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28803815/patient-specific-contact-stress-does-not-predict-polyethylene-wear-rate-in-a-specific-pressfit-cup
#17
Georg Matziolis, Linda Krakow, Frank Layher, Klaus Sander, Joerg Bossert, Steffen Brodt
BACKGROUND: The most common reason for revision total hip arthroplasty remains polyethylene wear. Development dysplasia of the hip and revision situations requires a conscious compromise of implant position. The surgeon should know about the consequence on wear via a possible change in hip contact force. The objective of this study is to investigate whether annual wear is dependent on hip contact force. METHODS: Forty-five inserts (DuraLoc, DePuy) that were explanted in our department were included...
July 25, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28802425/outcomes-of-dynamic-hip-screw-augmented-with-trochanteric-wiring-for-treatment-of-unstable-type-a2-intertrochanteric-femur-fractures
#18
Chetan Puram, Chetan Pradhan, Atul Patil, Vivek Sodhai, Parag Sancheti, Ashok Shyam
BACKGROUND: Posteromedial and greater trochanteric fragments are a major cause of telescoping and medialization of the femoral shaft in an unstable intertrochanteric fracture. This leads to significant limb shortening, fracture collapse in varus position and implant failure, which can be prevented by trochanteric wiring in addition to dynamic hip screw (DHS) fixation. The purpose of our study is to assess the outcomes of DHS augmented with trochanteric wiring in unstable type A2 intertrochanteric fractures...
August 2017: Injury
https://www.readbyqxmd.com/read/28802416/accuracy-of-valgus-osteotomy-using-dynamic-hip-screw
#19
Sunil G Kulkarni, G S Kulkarni, Sushrut Babhulkar, Milind G Kulkarni, Ruta M Kulkarni
BACKGROUND: Non-union of neck femur is a common but difficult situation to manage especially in young adults. There are two main options of arthroplasty or osteotomy. The aim of this study was to assess the results of intertrochanteric valgus osteotomy in non-union femoral neck fractures. PATIENTS AND METHODS: We present a study of 44 cases of neck femur non-union including untreated fractures, late presentations (more than 3 weeks), treated with compression screw, DHS...
August 2017: Injury
https://www.readbyqxmd.com/read/28802415/augmentation-of-intramedullary-nailing-in-unstable-intertrochanteric-fractures-using-cerclage-wire-and-lag-screws-a-comparative-study
#20
Sunil Govind Kulkarni, Sushrut Sudhir Babhulkar, Sujay Milind Kulkarni, Govind Shivram Kulkarni, Madhura Sujay Kulkarni, Raviraj Patil
BACKGROUND: Unstable intertrochanteric fractures present a challenge to orthopaedic surgeons, with varied geometry of the fractures and a wide choice of implants and techniques. The patients are usually osteoporotic, with multiple co-morbidities and poor tolerance for complications and re-operations. Lateral wall reconstruction and stability of the trochanteric fragments are considered important in providing a better outcome of these difficult injuries. We present a technique of lateral wall and trochanteric reconstruction using Cerclage wires and lag screws in the greater trochanter in addition to intramedullary nailing, and the radiological and functional outcome of this technique of augmentation...
August 2017: Injury
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