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https://www.readbyqxmd.com/read/28437567/people-with-patellofemoral-oa-walk-with-different-pelvic-and-hip-kinematics-compared-to-healthy-aged-matched-controls
#1
Kay M Crossley, Anthony G Schache, Hannah Ozturk, Jonathan Lentzos, Melissa Munanto, Marcus G Pandy
Objective, Patellofemoral joint (PFJ) osteoarthritis (OA) is common, yet little is known about how this condition influences lower-limb biomechanical function. This study compared pelvis and lower-limb kinematics in people with and without PFJOA., Methods, Sixty-nine participants (64% women, mean age 56±10 years) with anterior knee pain aggravated by PFJ loaded activities (stair ambulation, rising from sitting, squatting) and radiographic lateral PFJOA on skyline radiographs were compared with 18 controls (78% women, mean age 53±7 years) with no lower-limb pain or radiographic OA...
April 24, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28437549/poor-utility-of-gonadal-shielding-for-pediatric-pelvic-radiographs
#2
Mark C Lee, Jessica Lloyd, Matthew J Solomito
Plain pelvic radiographs are commonly used for a variety of pediatric orthopedic disorders. Lead shielding is typically placed over the gonads to minimize radiation exposure to these sensitive tissues. However, misplaced shielding can sabotage efforts to protect patients from excessive radiation exposure either by not covering radiosensitive tissues or by obscuring anatomic areas of interest, prompting repeat radiographic examinations. The goal of this study was to determine the incidence of misplaced shielding for pelvic radiographs obtained for pediatric orthopedic evaluation...
April 24, 2017: Orthopedics
https://www.readbyqxmd.com/read/28437548/arthroscopic-treatment-of-a-displaced-nonunion-of-the-anterior-inferior-iliac-spine-causing-extra-articular-impingement
#3
Motoi Shibahara, Yasuo Ohnishi, Eisaburo Honda, Dean K Matsuda, Soshi Uchida
This report describes a case of nonunion of an anterior inferior iliac spine (AIIS) apophyseal avulsion fracture with resultant subspine impingement combined with symptomatic femoroacetabular impingement (FAI). A 16-year-old male soccer player presented with a 6-month history of right groin pain exacerbated by kicking and running. The patient was diagnosed with a displaced nonunion of the AIIS apophysis avulsion fracture causing secondary extra-articular impingement beyond cam-type FAI by physical examination and radiological findings...
April 24, 2017: Orthopedics
https://www.readbyqxmd.com/read/28437503/subscapularis-tenotomy-versus-lesser-tuberosity-osteotomy-for-total-shoulder-arthroplasty-a-systematic-review
#4
Philip K Louie, David M Levy, Bernard R Bach, Gregory P Nicholson, Anthony A Romeo
Subscapularis tenotomy (ST) has been the standard method of mobilizing the subscapularis during the approach to a total shoulder arthroplasty (TSA). Recently, lesser tuberosity osteotomy (LTO), which avoids subscapularis complications, has gained in popularity. We performed a systematic review to elucidate any differences in clinical or radiographic outcomes between ST and LTO. Using PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines, we identified clinical and/or radiographic TSA studies with minimum mean 2-year follow-up and level I to IV evidence...
March 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28437498/superior-mesenteric-artery-syndrome-as-a-complication-of-scoliosis-surgery
#5
Philip K Louie, Bryce A Basques, Adam Bitterman, Shalin Shah, Kishan Patel, Isaac Abramchayev, Jonathan Lewin
Superior mesenteric artery (SMA) syndrome is a rare and potentially life-threatening complication of scoliosis surgery. The anatomical relationship of the duodenum and the superior mesenteric artery, the correction of angular deformity of the spine, and the normal adolescent growth spurt all contribute to the condition. We report the case of a 14-year-old boy who had a history of idiopathic scoliosis and presented with bilious vomiting that had persisted for 7 days after posterior T9-L4 fusion with instrumentation...
March 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28437493/the-role-of-medial-patellofemoral-ligament-repair-and-imbrication
#6
Kyle R Duchman, Matthew J Bollier
Repair, reefing, and advancement of the medial patellofemoral ligament (MPFL) and medial retinacular structures can be performed as an isolated procedure or in conjunction with distal realignment procedures for patients with patellar instability. Although various operative techniques have been described, understanding the appropriate clinical indications and MPFL injury patterns ultimately determines the success or failure of the procedure. MPFL repair is best indicated in the acute setting, particularly if there is a patella- or femoral-based avulsion...
March 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28437491/correct-positioning-of-the-medial-patellofemoral-ligament-troubleshooting-in-the-operating-room
#7
M Tyrrell Burrus, Brian C Werner, Jourdan M Cancienne, David R Diduch
Medial patellofemoral ligament (MPFL) reconstruction is often required after failed nonoperative management of lateral patellar instability. It is important to properly re-create the native ligament to avoid altering patellofemoral biomechanics. Such alterations can cause knee stiffness, anterior knee pain, and patellofemoral chondrosis. Incorrect femoral location is the most common mistake that affects MPFL graft biomechanics. Authors have described multiple radiographic and anatomical landmarks that assist in determining the appropriate location, and time should be taken to accurately localize this position...
March 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/28437356/scoliosis-is-a-risk-factor-for-gastroesophageal-reflux-disease-in-adult-spinal-deformity
#8
Naobumi Hosogane, Kota Watanabe, Mitsuru Yagi, Shinjiro Kaneko, Yoshiaki Toyama, Morio Matsumoto
STUDY DESIGN: A prospective observational study. OBJECTIVE: To evaluate whether scoliosis is a risk factor for gastroesophageal reflux disease (GERD) in elderly patients. SUMMARY OF BACKGROUND DATA: Sagittal spinal deformities are reported to cause GERD, but its association with spinal deformity in the coronal plane is not well studied. METHODS: We examined 190 patients with spinal disorders (mean age 70.6±8.6 y) who underwent standing whole-spine x-rays in the coronal and sagittal planes...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437348/the-relationship-between-cervical-degeneration-and-global-spinal-alignment-in-patients-with-adult-spinal-deformity
#9
Takahito Fujimori, Hai Le, William Schairer, Shinichi Inoue, Motoki Iwasaki, Takenori Oda, Serena S Hu
OBJECTIVES: To examine the relationship between cervical degeneration and spinal alignment by comparing patients with adult spinal deformity versus the control cohort. SUMMARY OF BACKGROUND DATA: The effect of degeneration on cervical alignment has been controversial. METHODS: Cervical and full-length spine radiographs of 57 patients with adult spinal deformity and 78 patients in the control group were reviewed. Adult spinal deformity was classified into 3 types based on the primary characteristics of the deformity: "Degenerative flatback" group, "Positive sagittal imbalance" group, and "Hyperthoracic kyphosis" group...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437347/effect-of-coronal-scoliotic-curvature-on-sagittal-spinal-shape-analysis-of-parameters-in-mature-adolescent-scoliosis-patients
#10
Jae-Young Hong, Keon-Woo Kim, Seung-Woo Suh, Si-Young Park, Jae-Hyuk Yang
STUDY DESIGN: A radiographic analysis with scoliosis patients. OBJECTIVES: To analyze correlations between sagittal spinal alignment and coronal scoliotic curvature. SUMMARY OF BACKGROUND DATA: Sagittal spinal alignment and scoliosis may have a significant relationship, and schematic analysis is needed. METHODS: The study group was comprised of 163 patients with adolescent idiopathic scoliosis. Subjects underwent anteroposterior and lateral radiographs of the whole spine including hip joints...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437346/correlations-between-sagittal-spinal-balance-and-quality-of-life-in-rheumatoid-arthritis
#11
Hong Seok Lee, Jung Sub Lee, Jong Ki Shin, Tae Sik Goh
STUDY DESIGN: Prospective study. OBJECTIVE: To identify relationships between spinopelvic parameters and health-related quality of life in rheumatoid arthritis (RA). SUMMARY OF BACKGROUND DATA: Little data are available on relationships between sagittal spinopelvic parameters and health-related quality of life in RA. MATERIALS AND METHODS: The study and control groups comprised 120 RA patients and 60 controls. All subjects underwent anteroposterior and lateral radiography of the whole spine, including hip joints, and all completed clinical questionnaires...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437344/comparison-of-the-posterior-vertebral-column-resection-with-the-expandable-cage-versus-the-nonexpandable-cage-in-thoracolumbar-angular-kyphosis
#12
Jung-Hee Lee, Hyun-Seok Oh, Jeong-Gyu Choi
STUDY DESIGN: This was a retrospective study. OBJECTIVE: To compare the radiographic and clinical results of anterior support with nonexpandable cage with those of expandable cage. SUMMARY OF BACKGROUND DATA: The goals of surgical treatment in patients with thoracolumbar angular kyphosis are to improve the neurological deficit through neural decompression, to restore the normal alignment by correction of deformity, and to stabilize the spinal column by arthrodesis...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437341/measurement-of-thoracic-inlet-alignment-on-mri-reliability-and-the-influence-of-body-position
#13
Jun Qiao, Feng Zhu, Zhen Liu, Leilei Xu, Zezhang Zhu, Bangping Qian, Xu Sun, Qing Jiang, Yong Qiu
STUDY DESIGN: A retrospective radiographic study. OBJECTIVE: To investigate the reliability of using magnetic resonance imaging (MRI) to measure thoracic outlet parameters and whether supine MRI could supersede upright x-ray in measuring these parameters. SUMMARY OF BACKGROUND DATA: On x-ray, overlapped soft and bony tissues make sternum contour invisible. Thus, measuring thoracic inlet (TI) alignment on x-ray may be inaccurate. MRI could clearly show anatomy around TI...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437340/proximal-junctional-kyphosis-following-posterior-hemivertebra-resection-and-short-fusion-in-children-younger-than-10-years
#14
Yingsong Wang, Noriaki Kawakami, Taichi Tsuji, Tetsuya Ohara, Yoshitaka Suzuki, Toshiki Saito, Ayato Nohara, Ryoji Tauchi, Kazuki Kawakami
STUDY DESIGN: A retrospective study. OBJECTIVE: To investigate whether proximal junctional kyphosis (PJK) or obvious proximal junctional angle (PJA) changes in the sagittal plane develops following short fusion in children younger than 10 years of age with congenital scoliosis, and to investigate the possible risk factors. SUMMARY OF BACKGROUND DATA: PJK following long spinal fusion in adolescents and adults is a serious postoperative complication...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437339/a-multicenter-evaluation-of-clinical-and-radiographic-outcomes-following-high-grade-spondylolisthesis-reduction-and-fusion
#15
Gurpreet S Gandhoke, Manish K Kasliwal, Justin S Smith, JoAnne Nieto, David Ibrahimi, Paul Park, Frank Lamarca, Christopher Shaffrey, David O Okonkwo, Adam S Kanter
OBJECTIVE: A retrospective review of the clinical and radiographic outcomes from a multicenter study of surgical treatment for high-grade spondylolisthesis (HGS) in adults. The objective was to assess the safety of surgical reduction, its ability to correct regional deformity, and its clinical effectiveness. METHODS: Retrospective, multicenter review of adults (age above 18 y) with lumbosacral HGS (Meyerding grade 3-5) treated surgically with open decompression, attempted reduction, posterior instrumentation, and interbody fusion...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437338/ponte-osteotomy-during-dekyphosis-for-indirect-posterior-decompression-with-ossification-of-the-posterior-longitudinal-ligament-of-the-thoracic-spine
#16
Kei Ando, Shiro Imagama, Zenya Ito, Kazuyoshi Kobayashi, Junichi Ukai, Akio Muramoto, Ryuichi Shinjo, Tomohiro Matsumoto, Hiroaki Nakashima, Yukihiro Matsuyama, Naoki Ishiguro
STUDY DESIGN: Retrospective clinical study. PURPOSE: To investigate the outcomes after indirect posterior decompression and dekyphosis using multilevel Ponte osteotomies for ossification of the posterior longitudinal ligament (OPLL) of the thoracic spine. SUMMARY OF BACKGROUND DATA: There are no previous reports on the use of Ponte osteotomy to treat thoracic OPLL. METHODS: The subjects were 10 patients with an average age at surgery of 47 years, who underwent indirect posterior decompression and dekyphosis using multilevel Ponte osteotomies at our institute...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437336/both-bilateral-breast-volume-discrepancy-and-asymmetric-anterior-chest-wall-shape-contribute-to-the-unsightly-breast-contour-in-female-right-thoracic-idiopathic-scoliosis
#17
Benlong Shi, Saihu Mao, Xu Sun, Leilei Xu, Feng Zhu, Zezhang Zhu, Bangping Qian, Weijun Wang, Yong Qiu
STUDY DESIGN: A retrospective radiographic study. OBJECTIVE: To evaluate the asymmetry of breast volume (BV) and shape in female adolescent idiopathic scoliosis (AIS) patients and to define their relationship with deformed components of the anterior chest wall and curved spine. SUMMARY OF BACKGROUND DATA: The higher incidence of asymmetric breast development in AIS was described by prior studies. However, the interplay between scoliosis curve magnitude and severity of breast asymmetry (BA) are unknown...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437335/do-lordotic-cages-provide-better-segmental-lordosis-versus-nonlordotic-cages-in-lateral-lumbar-interbody-fusion-llif
#18
Jonathan N Sembrano, Ryan D Horazdovsky, Amit K Sharma, Sharon C Yson, Edward R G Santos, David W Polly
STUDY DESIGN: A retrospective comparative radiographic review. OBJECTIVE: To evaluate the radiographic changes brought about by lordotic and nonlordotic cages on segmental and regional lumbar sagittal alignment and disk height in lateral lumbar interbody fusion (LLIF). SUMMARY OF BACKGROUND DATA: The effects of cage design on operative level segmental lordosis in posterior interbody fusion procedures have been reported. However, there are no studies comparing the effect of sagittal implant geometry in LLIF...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28437271/surgical-management-of-traumatic-peripheral-osteoma-of-the-mandible
#19
André Bachega Gomes Geron, Vinícius Almeida Carvalho, Jessica Luana Dos Santos, Luciana Yamamoto Almeida, Jorge Esquiche León, Alexandre Elias Trivellato, Cássio Edvard Sverzut
Osteomas are benign osteogenic lesions that result from the proliferation of mature bone. Three variants are known: central, peripheral, and extraskeletal. The peripheral variant is the most common and it most frequently affects the paranasal sinuses, rarely occurring in the jaws. This article describes the case of a 33-year-old white male patient who was referred complaining of facial asymmetry. Clinical examination revealed an increase in volume at the base of the right side of the mandible, hard bony consistency and well delimited, painless to the touch, without signs of infection or intraoral alterations...
April 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28436741/deep-learning-at-chest-radiography-automated-classification-of-pulmonary-tuberculosis-by-using-convolutional-neural-networks
#20
Paras Lakhani, Baskaran Sundaram
Purpose To evaluate the efficacy of deep convolutional neural networks (DCNNs) for detecting tuberculosis (TB) on chest radiographs. Materials and Methods Four deidentified HIPAA-compliant datasets were used in this study that were exempted from review by the institutional review board, which consisted of 1007 posteroanterior chest radiographs. The datasets were split into training (68.0%), validation (17.1%), and test (14.9%). Two different DCNNs, AlexNet and GoogLeNet, were used to classify the images as having manifestations of pulmonary TB or as healthy...
April 24, 2017: Radiology
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