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World Journal of Orthopedics

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https://www.readbyqxmd.com/read/30364843/intra-operative-computed-tomography-guided-navigation-for-pediatric-pelvic-instrumentation-a-technique-guide
#1
REVIEW
Jason B Anari, Patrick J Cahill, John M Flynn, David A Spiegel, Keith D Baldwin
Pelvic instrumentation for neuromuscular scoliosis has been part of neuromuscular scoliosis surgery since the era of the Luque Galveston construct. Unit Rod (Medtronic Sofamor-Danek, Nashville, TN) instrumentation brought with it the concept of cantilever correction by placing the implants in the pelvis and then gradually bringing the rod to the spine by sequentially tightening the sublaminar wires, with the goal of creating a level pelvis over a straight spine. More recently surgeons have utilized pedicle screw constructs in which the corrective strategies have varied...
October 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/30364833/screw-placement-is-everything-risk-factors-for-loss-of-reduction-with-volar-locking-distal-radius-plates
#2
Herwig Drobetz, Alyce Black, Jonathan Davies, Petra Buttner, Clare Heal
AIM: To determine factors correlated with postoperative radial shortening in patients with distal radius fractures treated with volar locking distal radius plates. METHODS: A total of 250 patients with a distal radius fracture stabilised with volar locking plates between January 2010 and December 2014 were included in a multicentre retrospective cohort study. We measured the distance of the distal locking screws to the joint line immediately postoperatively and then measured radial shortening after six to eight weeks using the change in ulnar variance...
October 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/30364827/dose-of-alendronate-directly-increases-trabeculae-expansivity-without-altering-bone-volume-in-rat-femurs
#3
Suyany G Weiss, Gabrielle O Kuchar, Jennifer T Gerber, Fernanda Tiboni, Carmen Lucia M Storrer, Thaís C Casagrande, Allan F Giovanini, Rafaela Scariot
AIM: To evaluate the effects of sodium alendronate on bone repair in fractures created in appendicular bones. METHODS: Wistar rats ( n = 36) were allocated into three distinct groups: group C (control), group B1 (received 1 mg/kg of alendronate), and group B2 (received 3 mg/kg of alendronate). The rats underwent femoral transversal linear fracture surgery using stable internal fixation with a 2.0 mm plate and screw system. Each animal randomly received intraperitoneal applications of sodium alendronate at a dose corresponding to group B1 or B2 three times a week, while the control group received a 0...
October 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/30364820/long-term-results-of-an-anatomically-implanted-hip-arthroplasty-with-a-short-stem-prosthesis-minihip-tm
#4
Lars V von Engelhardt, Andreas Breil-Wirth, Christian Kothny, Jörn Bengt Seeger, Christian Grasselli, Joerg Jerosch
AIM: To evaluate the clinical and radiological outcome nine and ten years after short-stemmed, bone preserving and anatomical hip arthroplasty with the MiniHipTM system. METHODS: In a prospective study, 186 patients underwent hip arthroplasty with a partial neck preserving short stem (MiniHipTM , Corin). Elderly patients were not excluded from this study, thus the mean age at the time of surgery was 59.3 years (range 32 to 82 years). Surgery and the follow-up assessments were performed at two Centers...
October 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/30364786/total-knee-arthroplasty-in-patients-with-paget-s-disease-of-bone-a-systematic-review
#5
Ravi Popat, Konstantinos Tsitskaris, Steven Millington, Sebastian Dawson-Bowling, Sammy A Hanna
AIM: To determine the functional outcomes, complications and revision rates following total knee arthroplasty (TKA) in patients with Paget's disease of bone (PDB). METHODS: A systematic review of the literature was performed. Four studies with a total of 54 TKAs were included for analysis. Functional outcomes, pain scores, complications and revision rates were assessed. The mean age was 72.0 years and the mean follow-up was 7.5 years. RESULTS: All studies reported significant improvement in knee function and pain scores following TKA...
October 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/30364739/does-ethnicity-and-education-influence-preoperative-disability-and-expectations-in-patients-undergoing-total-knee-arthroplasty
#6
Madeline Therese Kudibal, Thomas Kallemose, Anders Troelsen, Henrik Husted, Kirill Gromov
AIM: To investigate whether minority ethnicity and the duration of education influence preoperative disability and expectations in patients undergoing total knee arthroplasty. METHODS: We prospectively included 829 patients undergoing primary unilateral total knee arthroplasty (TKA) from April 2013 to December 2014 at a single centre. Patients filled in pre-operative questionnaires with information regarding place of birth, duration of education, expectations for outcome of surgery and baseline characteristics...
October 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/30364681/reducing-costly-falls-after-total-knee-arthroplasty
#7
Surajudeen Adebola Bolarinwa, Wendy Novicoff, Quanjun Cui
AIM: To investigate whether adductor canal nerve block (ACB) reduces patient falls when compared to femoral nerve block (FNB) after total knee arthroplasty (TKA). METHODS: We conducted an institutional review of all-cause falls after TKA from January 2013 to August 2016 using a quality improvement database. Our inclusion criteria were patients with diagnosis of primary knee osteoarthritis who underwent primary unilateral TKA with either a FNB or an ACB and sustained a fall during their hospitalization...
October 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/30254975/spontaneous-and-simultaneous-complete-bilateral-rupture-of-the-quadriceps-tendon-in-a-patient-receiving-hemodialysis-a-case-report-and-literature-review
#8
Wassim Zribi, Mohamed Zribi, Ahmed Racem Guidara, Mohamed Ben Jemaa, Ameur Abid, Nabil Krid, Abdessalem Naceur, Hassib Keskes
The spontaneous and simultaneous rupture of both quadriceps tendons is uncommon and has rarely been reported in the literature. The current case involves a 43-year-old man with end-stage renal disease requiring hemodialysis for the past 20 years. The patient experienced bilateral knee pain and swelling and was unable to bear weight. Physical examination revealed bilateral quadriceps tendon defect above the patella and loss of active extension. Although plain radiographs of both knees showed no fracture or widening of the joint space, an inferiorly positioned patella was observed...
September 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/30254974/is-there-consensus-regarding-surgical-treatment-of-bone-sarcomas
#9
Thomas Baad-Hansen, Sarah Stammose Freund, Bodil Hammer Bech, Johnny Keller
AIM: To perform an Internet based survey on the surgical management of bone sarcomas in the lower extremity amongst sarcoma surgeons. METHODS: All orthopedic surgical members of the Scandinavian Sarcoma Group were invited to participate in an online questionnaire. The questionnaire consisted of a clinical case involving resection of a malignant bone tumor. Several questions were asked, subdivided into categories. Among these, surgical/technical considerations, e...
September 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/30254973/corticosteroid-injection-alone-vs-additional-physiotherapy-treatment-in-early-stage-frozen-shoulders
#10
Tim Kraal, Inger Sierevelt, Derek van Deurzen, Michel Pj van den Bekerom, Lijkele Beimers
AIM: To investigate the additional value of physiotherapy after a corticosteroid injection in stage one or two idiopathic frozen shoulders (FSs). METHODS: A two center, randomized controlled trial was done. Patients with a painful early stage idiopathic FS were eligible for inclusion. After written consent, patients were randomly allocated into two groups. All patients received an ultrasound-guided intra-articular corticosteroid injection. One group underwent additional physiotherapy treatment (PT) and the other group did not (non-PT)...
September 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/30254972/acute-effects-of-partial-body-vibration-in-sitting-position
#11
Yannik Faes, Nora Banz, Nathalie Buscher, Angela Blasimann, Lorenz Radlinger, Patric Eichelberger, Achim Elfering
AIM: To investigate the acute effects of sinusoidal and stochastic resonance partial-body vibration in sitting position, including muscle activity, heart rate variability, balance and flexibility. METHODS: Fifty healthy participants were assigned randomly to two training conditions: A sinusoidal partial-body vibration (SIN, 8 Hz) or a stochastic resonance partial-body vibration (STOCH, 8 ± 2 Hz). For baseline assessment participants sat on the vibration platform without vibration...
September 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/30254971/outcomes-of-mobile-bearing-unicompartmental-knee-arthroplasty-in-medial-osteoarthritis-knee-with-and-without-preoperative-genu-recurvatum
#12
Boonchana Pongcharoen, Krit Boontanapibul
AIM: To compare clinical outcomes of patients with and without preoperative genu recurvatum (GR) following mobile bearing unicompartmental knee arthroplasty (UKA). METHODS: We prospectively followed 176 patients for at least 24 mo who had been treated by unilateral, minimally invasive, Oxford UKA. Patients with medial osteoarthritis (OA) knee and preoperative GR (Group I) accounted for 18% ( n = 32) and patients without preoperative GR (Group II) accounted for the remaining 82% ( n = 144)...
September 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/30254970/single-rod-instrumentation-in-patients-with-scoliosis-and-co-morbidities-indications-and-outcomes
#13
Athanasios I Tsirikos, Peter R Loughenbury
AIM: To present our results on the use of a single rod instrumentation correction technique in a small number of patients with major medical co-morbidities. METHODS: This study was a prospective single surgeon series. Patients were treated with single rod hybrid constructs and had a minimum 2-year follow-up. Indications included complex underlying co-morbidities, conversion of growing rods to definitive fusion, and moderate adolescent idiopathic primarily thoracic scoliosis with severe eczema and low body mass index (BMI)...
September 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/30254969/assessment-of-palmar-subcutaneous-tissue-vascularization-in-patients-with-dupuytren-s-contracture
#14
Nathalia Shchudlo, Tatyana Varsegova, Tatyana Stupina, Tamara Dolganova, Michael Shchudlo, Nathalia Shihaleva, Vadim Kostin
AIM: To investigate the structural and functional characteristics of palmar hypodermal tissue vascularization in Dupuytren's contracture patients of different age groups. METHODS: Eighty-seven Dupuytren's contracture patients underwent partial fasciectomy. Twenty-two of them were less than 55 years old (Y-group, n = 22); the others were 55 and older (O-group, n = 65). In surgically excised representative tissue samples, a histomorphometric analysis of the perforating arteries of the palmar aponeurosis and stereologic analysis of hypodermis vascularity were performed...
September 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/30254968/vascular-endothelial-growth-factor-for-the-treatment-of-femoral-head-osteonecrosis-an-experimental-study-in-canines
#15
Zoe H Dailiana, Nikolaos Stefanou, Lubna Khaldi, Georgios Dimakopoulos, James R Bowers, Cristian Fink, James R Urbaniak
AIM: To evaluate the treatment of osteonecrosis of the femoral head (ONFH) with the use of vascular endothelial growth factor (VEGF). METHODS: In 30 mature beagles (6 groups of 5 beagles) ONFH was induced cryosurgically and one of the following solutions was administered locally in the femoral head (FH) in each group: Single injection of 500 μg VEGF (t-VEGFμ group); single injection of 500 ng VEGF (t-VEGFn group); continuous delivery of 500 μg VEGF through osmotic micropump (t-VEGFpump-μ group); continuous delivery of 500 ng VEGF through osmotic micropump (t-VEGFpump-n group); single injection of 0...
September 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/30254967/robotic-exoskeletons-the-current-pros-and-cons
#16
REVIEW
Ashraf S Gorgey
Robotic exoskeletons have emerged as rehabilitation tool that may ameliorate several of the existing health-related consequences after spinal cord injury (SCI). However, evidence to support its clinical application is still lacking considering their prohibitive cost. The current mini-review is written to highlight the main limitations and potential benefits of using exoskeletons in the rehabilitation of persons with SCI. We have recognized two main areas relevant to the design of exoskeletons and to their applications on major health consequences after SCI...
September 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/30148070/effect-of-opioid-dependence-or-abuse-on-opioid-utilization-after-shoulder-arthroplasty
#17
Derek D Berglund, Samuel Rosas, Jennifer Kurowicki, Dragomir Mijic, Jonathan C Levy
AIM: To examine whether opioid dependence or abuse has an effect on opioid utilization after anatomic or reverse total shoulder arthroplasty (TSA). METHODS: All anatomic TSA (ICD-9 81.80) and reverse shoulder arthroplasty (RSA) (ICD-9 81.88) procedures from 2007 to 2015 were queried from within the Humana claims database utilizing the PearlDiver supercomputer (Colorado Springs, CO). Study groups were formed based on the presence or absence of a previous history of opioid dependence (ICD-9 304...
August 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/30079299/anterior-transolecranon-dislocation-of-the-elbow-in-a-child-a-case-report-and-review-of-literature
#18
Wajdi Bouaziz, Ahmed Racem Guidara, Ahmed Trabelsi, Tarek Bardaa, Mourad Hammami, Zoubaier Ellouz, Hassib Keskes
Anterior transolecranon dislocation of the elbow is rarely observed in children, reported in only a small series. The present case involves an anterior transolecranon dislocation of the left elbow joint in a 7-year-old child, which was surgically treated. Two attempts of closed reduction failed because the radial head had buttonholed via the joint capsule. After its release, open reduction was easily performed; osteosynthesis of the olecranon was not performed. Remarkably, good result was obtained, despite a mild flexion deformity at the last follow-up...
July 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/30079298/systematic-review-of-dynamization-vs-exchange-nailing-for-delayed-non-union-femoral-fractures
#19
Jacob E Vaughn, Ronit V Shah, Tarek Samman, Jacob Stirton, Jiayong Liu, Nabil A Ebraheim
AIM: To analyze the literature on efficacy of dynamamization vs exchange nailing in treatment of delayed and non-union femur fractures. METHODS: Ultimately, 31 peer-reviewed articles with 644 exchanged nailing patients and 131 dynamization patients were identified and analyzed. The following key words were inputted in different combinations in order to search the field of publications in its entirety: "non-union", "delayed union", "ununited", "femur fracture", "femoral fracture", "exchange nailing", "dynaiz(s)ation", "secondary nailing", "dynamic", "static", and "nail revision"...
July 18, 2018: World Journal of Orthopedics
https://www.readbyqxmd.com/read/29984195/comparison-of-a-simplified-skin-pointer-device-compared-with-a-skeletal-marker-for-knee-rotation-laxity-a-cadaveric-study-using-a-rotation-meter
#20
Ken Lee Puah, Andy Khye Soon Yew, Siaw Meng Chou, Denny Tijauw Tjoen Lie
AIM: To compare the measurements of knee rotation laxity by non-invasive skin pointer with a knee rotation jig in cadaveric knees against a skeletally mounted marker. METHODS: Six pairs of cadaveric legs were mounted on a knee rotation jig. One Kirscher wire was driven into the tibial tubercle as a bone marker and a skin pointer was attached. Rotational forces of 3, 6 and 9 nm applied at 0°, 30°, 45°, 60° and 90° of knee flexion were analysed using the Pearson correlation coefficient and paired t -test...
June 18, 2018: World Journal of Orthopedics
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