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Clinics in Orthopedic Surgery

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https://www.readbyqxmd.com/read/29201311/synovial-sarcoma-complicating-total-knee-arthroplasty
#1
Olga D Savvidou, George D Chloros, Panagiotis Koutsouradis, Panayiotis D Megaloikonomos, Eva Skarpidi, Panayiotis J Papagelopoulos
Synovial sarcoma is a relatively common periarticular soft tissue malignancy, occurring mostly in the extremities of younger patients. Occasionally, diversity in its clinical features may lead to misdiagnosis and inappropriate management. The authors report herein a unique case of a patient who underwent a primary total knee arthroplasty to treat osteoarthritis. During the operation, a mass was discovered but was attributed to synovitis. Biopsy revealed a rare intra-articular synovial sarcoma. The patient underwent reoperation with wide excision and endoprosthesis placement and is disease-free at the 8-year follow-up...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29201310/a-neglected-markedly-displaced-medial-epicondyle-fracture-with-simultaneous-ulnar-nerve-palsy-in-an-adolescent
#2
Tamer Ahmed El-Sobky, John Fathy Haleem, Hossam Moussa Sakr, Ahmad Saeed Aly
Humeral medial epicondyle fractures constitute around 15% of pediatric elbow fractures. Up to 60% occur in association with elbow dislocations. Knowledge of potential imaging pitfalls when examining acute elbow fractures in children contributes significantly to accurate diagnosis. Nevertheless, management of missed pediatric medial epicondyle fractures has rarely been reported. We present an 11-year-old boy with a neglected and severely displaced medial epicondyle fracture with concurrent ulnar nerve palsy...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29201309/little-leaguer-s-shoulder-can-cause-severe-three-dimensional-humeral-deformity
#3
Yuji Hosokawa, Teruhisa Mihata, Yasuo Itami, Masashi Neo, Munekazu Doi
We analyzed three-dimensional (3D) humeral deformity (valgus-varus, flexion-extension, and rotational deformation) after little leaguer's shoulder using 3D computed tomography in a 15-year-old male baseball player. Humeral retroversion was increased by 27.1° on the dominant side compared with the nondominant side. Compared with the nondominant shaft, the dominant humeral shaft was deformed in the varus direction (9.4°), resulting in a decreased neck-shaft angle (dominant side, 127.5°; nondominant side, 135...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29201308/a-rare-case-of-intra-articular-displacement-of-endobutton-following-anterior-cruciate-ligament-reconstruction
#4
Sean Wl Ho, Keng Thiam Lee
The EndoButton is a commonly used device for femoral fixation of anterior cruciate ligament grafts. Complications from its usage remain rare. Incorrect femoral tunnel placement may increase the risk of intra-articular displacement of the EndoButton. We present a case of anterior femoral tunnel placement resulting in intra-articular displacement of the EndoButton after failure. A 24-year-old man presented to us after failure of anterior cruciate ligament reconstruction performed 3 years prior. Radiographs revealed an intra-articular displacement of the EndoButton...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29201307/ischiofemoral-impingement-syndrome-outcomes-of-endoscopic-resection-of-the-lesser-trochanter
#5
Alejandro Hernandez, Sleiman Haddad, Jorge H Nuñez, Albert Gargallo-Margarit, Andrea Sallent, Victor Barro
Ischiofemoral impingement syndrome is a rare clinical entity characterized by chronic groin, buttock or hip pain associated with radiographic evidence of narrowing of the space between the lesser femoral trochanter and the ischial tuberosity. Introduction of magnetic resonance imaging to the clinical practice as well as the establishment of the radiological definition of the abnormal ischiofemoral distance has led to an increasing interest in this condition. Ischiofemoral impingement syndrome is a poorly understood disorder of chronic pain, especially regarding its treatment...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29201306/analysis-of-radiographic-parameters-of-the-forearm-in-traumatic-radial-head-dislocation
#6
Hui Taek Kim, Le Viet Can, Tae Young Ahn, In Hee Kim
Background: Various deformities can occur in the forearm bones when the traumatically dislocated radial head is untreated for a long period. Without correction of all deformities, reduction of the dislocated radial head is difficult to maintain, and forearm and elbow motion will deteriorate after reduction. We evaluated radiographic parameters of forearms with traumatically dislocated radial heads (and of the normal sides) to understand the resulting deformities and the effectiveness of surgical treatment...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29201305/biomechanical-comparison-study-of-three-fixation-methods-for-proximal-chevron-osteotomy-of-the-first-metatarsal-in-hallux-valgus
#7
Jin Su Kim, Hun Ki Cho, Ki Won Young, Ji Soo Kim, Kyung Tai Lee
Background: Fixation of proximal chevron metatarsal osteotomy has been accomplished using K-wires traditionally and with a locking plate recently. However, both methods have many disadvantages. Hence, we developed an intramedullary fixation technique using headless cannulated screws and conducted a biomechanical study to evaluate the superiority of the technique to K-wire and locking plate fixations. Methods: Proximal chevron metatarsal osteotomy was performed on 30 synthetic metatarsal models using three fixation techniques...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29201304/minimally-invasive-plate-osteosynthesis-using-a-screw-compression-method-for-treatment-of-humeral-shaft-fractures
#8
Sang-Hun Ko, Jae-Ryong Cha, Chae Chil Lee, Yong Tae Joo, Kyeong Su Eom
Background: This study aims to compare the surgical outcomes of open reduction and internal fixation (ORIF) and minimally invasive plate osteosynthesis (MIPO) using a screw compression method in simple humeral shaft fractures. Methods: This retrospective study was performed with 50 patients who had surgical interventions for the treatment of simple humeral shaft fractures and had follow-ups of at least 12 months in Ulsan University Hospital between August 2008 and June 2015...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29201303/bridging-graft-in-irreparable-massive-rotator-cuff-tears-autogenic-biceps-graft-versus-allogenic-dermal-patch-graft
#9
Sung Min Rhee, Joo Han Oh
Background: Few comparative studies have reported on the use of biologic grafts for irreparable massive rotator cuff tears. The purpose of this study was to assess the results of arthroscopic bridging graft in irreparable massive rotator cuff tears using an autogenic long head of biceps tendon (LHBT) or an allogenic dermal patch (ADP). Methods: We retrospectively reviewed 24 patients treated using the LHBT (group I) and eight patients with complete rupture of the LHBT treated using an ADP (group II) since 2011...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29201302/antibiotic-spacers-in-shoulder-arthroplasty-comparison-of-stemmed-and-stemless-implants
#10
Eric M Padegimas, Alexia Narzikul, Cassandra Lawrence, Benjamin A Hendy, Joseph A Abboud, Matthew L Ramsey, Gerald R Williams, Surena Namdari
Background: Antibiotic spacers in shoulder periprosthetic joint infection deliver antibiotics locally and provide temporary stability. The purpose of this study was to evaluate differences between stemmed and stemless spacers. Methods: All spacers placed from 2011 to 2013 were identified. Stemless spacers were made by creating a spherical ball of cement placed in the joint space. Stemmed spacers had some portion in the humeral canal. Operative time, complications, reimplantation, reinfection, and range of motion were analyzed...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29201301/effects-of-different-angles-of-the-traction-table-on-lumbar-spine-ligaments-a-finite-element-study
#11
Hekmat Farajpour, Nima Jamshidi
Background: The traction bed is a noninvasive device for treating lower back pain caused by herniated intervertebral discs. In this study, we investigated the impact of the traction bed on the lower back as a means of increasing the disc height and creating a gap between facet joints. Methods: Computed tomography (CT) images were obtained from a female volunteer and a three-dimensional (3D) model was created using software package MIMICs 17.0. Afterwards, the 3D model was analyzed in an analytical software (Abaqus 6...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29201300/the-validation-of-ultrasound-guided-target-segment-identification-in-thoracic-spine-as-confirmed-by-fluoroscopy
#12
Ju-Yeong Heo, Ji-Won Lee, Cheol-Hwan Kim, Sang-Min Lee, Yong-Soo Choi
Background: The role of ultrasound in the thoracic spine has been underappreciated, partly because of the relative efficacy of the landmark-guided technique and the limitation of imaging through the narrow acoustic windows produced by the bony framework of thoracic spine. The aim of this study was to make a comparison between the 12th rib and the spinous process of C7 as a landmark for effective ultrasound-guided target segment identification in the thoracic spine. Methods: Ultrasonography of 44 thoracic spines was performed and the same procedure was carried out 1 week later again...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29201299/the-relationship-between-superior-disc-endplate-complex-injury-and-correction-loss-in-young-adult-patients-with-thoracolumbar-stable-burst-fracture
#13
Kyu Yeol Lee, Min-Woo Kim, Sang Yun Seok, Dong Ryul Kim, Chul Soon Im
Background: To determine the relationship between superior disc-endplate complex injury and correction loss after surgery in a group of young adult patients with a stable thoracolumbar burst fracture. Methods: The study group was comprised of young adult patients who had undergone short-segment posterior fixation and bone grafting under the diagnosis of a stable thoracolumbar burst fracture from March 2008 to February 2014. Follow-up was available for more than 1 year...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29201298/lateralization-of-tibial-plateau-reference-point-improves-accuracy-of-tibial-resection-in-total-knee-arthroplasty-in-patients-with-proximal-tibia-vara
#14
Rajshekhar K Thippana, Malhar N Kumar
Background: The tibial cut referenced to the center of the intercondylar eminence often leads to varus malalignment in the presence of preexisting proximal tibia vara. The purpose of this study was to investigate the effect of lateralization of the lateral tibial plateau reference point (based on the amount of proximal tibia vara) on the postoperative coronal plane alignment. Methods: In this prospective cohort study, 62 patients (95 knees) with osteoarthritis and proximal tibia vara underwent primary total knee arthroplasty using a lateral tibial plateau reference point for the extramedullary jig...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29201297/a-randomized-multicenter-phase-iii-trial-to-evaluate-the-efficacy-and-safety-of-polmacoxib-compared-with-celecoxib-and-placebo-for-patients-with-osteoarthritis
#15
Myungchul Lee, Juhyung Yoo, Jin Goo Kim, Hee-Soo Kyung, Seong-Il Bin, Seung-Baik Kang, Choong Hyeok Choi, Young-Wan Moon, Young-Mo Kim, Seong Beom Han, Yong In, Chong Hyuk Choi, Jongoh Kim, Beom Koo Lee, Sangsook Cho
Background: The aim of this study was to evaluate the safety and analgesic efficacy of polmacoxib 2 mg versus placebo in a superiority comparison or versus celecoxib 200 mg in a noninferiority comparison in patients with osteoarthritis (OA). Methods: This study was a 6-week, phase III, randomized, double-blind, and parallel-group trial followed by an 18-week, single arm, open-label extension. Of the 441 patients with knee or hip OA screened, 362 were randomized; 324 completed 6 weeks of treatment and 220 completed the extension...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29201296/predictors-of-midterm-outcomes-after-medial-unicompartmental-knee-arthroplasty-in-asians
#16
Hamid Rahmatullah Bin Abd Razak, Sanchalika Acharyya, Shi-Ming Tan, Hee-Nee Pang, Keng-Jin Darren Tay, Shi-Lu Chia, Ngai-Nung Lo, Seng-Jin Yeo
Background: This study was designed to evaluate predictors of good outcomes following medial unicompartmental knee arthroplasty (UKA) in Asian patients. Methods: Registry data of patients who underwent primary unilateral medial UKA from 2006 to 2011 were collected. Outcomes studied were the Oxford Knee Score (OKS) and the Physical Component Score (PCS) of the Short Form 36 (SF-36) questionnaire. These outcome scores were collected prospectively, pre- and postoperatively up to 5 years...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29201295/a-comparative-study-of-clinical-outcomes-and-second-look-arthroscopic-findings-between-remnant-preserving-tibialis-tendon-allograft-and-hamstring-tendon-autograft-in-anterior-cruciate-ligament-reconstruction-matched-pair-design
#17
You Keun Kim, Jong Hyun Ahn, Jae Doo Yoo
Background: This study aimed to compare stability, functional outcome, and second-look arthroscopic findings after anterior cruciate ligament reconstruction between remnant-preserving tibialis tendon allograft and remnant-sacrificing hamstring tendon autograft. Methods: We matched two groups (remnant-preserving tibialis tendon allograft group and hamstring tendon autograft group) in terms of demographic characteristics, associated injury, and knee characteristics...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29201294/trend-in-the-age-adjusted-incidence-of-hip-fractures-in-south-korea-systematic-review
#18
Young-Kyun Lee, Jin Woo Kim, Myung Ho Lee, Kyung Ho Moon, Kyung-Hoi Koo
Background: The incidence of hip fractures has been reported to vary geographically, and its trend has also varied widely. However, the trend in the age-adjusted incidence of hip fractures has not been well studied in Korea. After we identified eligible studies presenting multiple age-adjusted incidences of hip fractures in the Korean population in PubMed, we evaluated changes in the absolute number of occurrence and calculated the annual percentage change (APC) of age-adjusted incidences of hip fractures...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29201293/calcar-femorale-in-patients-with-osteoarthritis-of-the-hip-secondary-to-developmental-dysplasia
#19
Tomonori Tetsunaga, Kazuo Fujiwara, Hirosuke Endo, Tomoko Tetsunaga, Naofumi Shiota, Toru Sato, Toshifumi Ozaki
Background: We investigated whether the calcar femorale, a cortical septum in the region of the lesser trochanter of the femur, correlates with results of femoral stem implantation in patients with osteoarthritis of the hip secondary to developmental dysplasia using computed tomography. Methods: This retrospective study included 277 hips (41 males and 236 females; age, 37 to 92 years) of patients who had presented to Okayama Medical Center with hip pain. Of these, a total of 219 hips (31 males and 188 females) had previously undergone total hip arthroplasty...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29201292/factors-associated-with-the-risk-of-articular-surface-perforation-during-anchor-placement-for-arthroscopic-acetabular-labral-repair
#20
Jun-Il Yoo, Yong-Chan Ha, Sun-Chul Hwang, Jin-Young Oh, Eui-Chan Chang, Young-Kyun Lee, Kyung-Hoi Koo
Background: The purpose of this study was to evaluate factors associated with the risk of articular surface perforation during anchor placement for arthroscopic acetabular labral repair using follow-up computed tomographic arthrography (CTA). Methods: Forty-six patients (29 males and 17 females) underwent arthroscopic labral repair using 142 suture anchors (55 large anchors and 87 small anchors). The patients were followed with CTA 1 year postoperatively. Anchor position was assessed by the insertion angle and the distance of the suture anchor tip from the articular cartilage...
December 2017: Clinics in Orthopedic Surgery
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