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https://www.readbyqxmd.com/read/29333774/-a-cone-beam-computed-tomography-study-on-the-anatomical-position-of-accessory-mandibular-foramina-in-jiangxi-adults
#1
Ke Xing, Li Bohan, Chen Linlin, Jiang Xindi
OBJECTIVE: This study used cone beam computed tomography (CBCT) to access the distribution and position of accessory mandibular foramina in the mandibular body of Jiangxi adults, and some safety rules of operation for clinics were provided. METHODS: Two hundred CBCT image subjects of Jiangxi adults were selected, which were divided into 4 groups by age with the same sex ratio. The number and position of accessory mandibular foramina in mandibular anterior teeth, premolars and molars region were described and the relationship between accessory mandibular foramina incidence and factors of age, gender and lateral were analyzed...
December 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/29333424/anatomical-distribution-and-detection-rate-of-colorectal-neoplasms-according-to-age-in-the-colonoscopic-screening-of-a-korean-population
#2
Suk-Young Lee, Wan Hee Song, Sang Cheul Oh, Byung-Wook Min, Sun Il Lee
Purpose: Because data as a basis for the determination of proper age and modality for screening of colorectal neoplasms is lacking, we evaluated detection rates and anatomical distribution of colorectal neoplasms according to age in healthy individuals who underwent total colonoscopy for health checkup. Methods: A total of 16,100 cases that had received the colonoscopic examination from January to December in 2014 were analyzed. The total number of individuals who received total colonoscopy were divided by the number of individuals harboring colorectal adenoma to calculate the detection rate of colorectal adenoma...
January 2018: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/29331883/curative-distal-pancreatectomy-in-patients-with-acinar-cell-carcinoma-of-pancreas-diagnosed-by-endoscopic-aspiration-via-esophago-jejunostomy-a-successful-case-report
#3
Takeomi Hamada, Atsushi Nanashima, Masahide Hiyoshi, Makoto Ikenoue, Naoya Imamura, Koichi Yano, Yoshiro Fujii, Yoshimasa Kubota, Tesshin Ban, Hiroshi Kawakami, Yuichiro Sato
INTRODUCTION: This is a case report on the advances in preoperative endoscopic-guided fine-needle-aspiration (FNA) diagnosis for pancreatic carcinoma to achieve a curative operation even in patients who have a history of total gastrectomy. CASE PRESENTATION: A 65-year-old man, who underwent total gastrectomy for gastric cancer 13 years ago, had discomfort in the left lateral abdomen. A 3-cm hypovascular mass accompanying a large distal pseudocyst in the pancreatic tail was observed on computed tomography...
January 8, 2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29330840/clinical-assessment-of-class-ii-resin-based-composites-versus-preformed-metal-crowns-performed-on-primary-molars-in-patients-at-high-risk-of-caries
#4
A Alyahya, A Khanum, M Qudeimat
AIM: To compare class II resin composite with preformed metal crowns (PMC) in the treatment of proximal dentinal caries in high caries-risk patients. METHODS: The charts (270) of paediatric patients with proximal caries of their primary molars were reviewed. Success or failure of a procedure was assessed using the dental notes. Survival analysis was used to calculate the mean survival time (MST) for both procedures. The influence of variables on the mean survival time was investigated...
January 12, 2018: European Archives of Paediatric Dentistry: Official Journal of the European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/29330342/are-the-patient-rated-wrist-evaluation-prwe-and-the-disabilities-of-the-arm-shoulder-and-hand-dash-questionnaire-used-in-distal-radial-fractures-truly-valid-and-reliable
#5
Y V Kleinlugtenbelt, R G Krol, M Bhandari, J C Goslings, R W Poolman, V A B Scholtes
OBJECTIVES: The patient-rated wrist evaluation (PRWE) and the Disabilities of the Arm, Shoulder and Hand (DASH) questionnaire are patient-reported outcome measures (PROMs) used for clinical and research purposes. Methodological high-quality clinimetric studies that determine the measurement properties of these PROMs when used in patients with a distal radial fracture are lacking. This study aimed to validate the PRWE and DASH in Dutch patients with a displaced distal radial fracture (DRF)...
January 2018: Bone & Joint Research
https://www.readbyqxmd.com/read/29329788/effect-of-individualized-distal-femoral-valgus-resection-angle-in-primary-total-knee-arthroplasty-a-systematic-review-and-meta-analysis-involving-1300-subjects
#6
REVIEW
Kai Zhou, Tingxian Ling, Yuan Xu, Jinglong Li, Haoda Yu, Haoyang Wang, Zongke Zhou, Fuxing Pei
BACKGROUND: Proper limb alignment and implant positioning are important for successful total knee arthroplasty (TKA). Whether any differences exist in restoration of limb alignment for valgus knees between fixed and individual femoral valgus correction angle (VCA) for distal femoral resection remains unknown. METHODS: The PubMed, Medline, Embase, and Wangfang databases were searched to identify studies comparing individualized VCA and fixed VCA in the distal femoral valgus resection...
January 9, 2018: International Journal of Surgery
https://www.readbyqxmd.com/read/29328886/osteochondral-graft-size-is-significantly-associated-with-increased-force-and-decreased-chondrocyte-viability
#7
Brian E Walczak, Matthew S Nies, Darrin J Trask, Scott Hetzel, Patrick J Roney, Matthew W Squire, Geoffrey S Baer
BACKGROUND: Insertion force has been shown to significantly reduce chondrocyte viability during osteochondral allograft transplantation. How graft size influences the required insertion force and chondrocyte viability has yet to be determined. Hypothesis/Purpose: The purpose was to characterize how graft size influences insertion force requirements and chondrocyte viability during osteochondral transplantation. The hypothesis was that larger grafts would require greater force and reduce chondrocyte viability...
January 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29327129/quantification-of-osteoblastic-activity-in-epiphyseal-growth-plates-by-quantitative-bone-spect-ct
#8
Tomohiko Yamane, Ichiei Kuji, Akira Seto, Ichiro Matsunari
OBJECTIVE: Quantifying the function of the epiphyseal plate is worthwhile for the management of children with growth disorders. The aim of this retrospective study was to quantify the osteoblastic activity at the epiphyseal plate using the quantitative bone SPECT/CT. MATERIALS AND METHODS: We enrolled patients under the age of 20 years who received Tc-99m hydroxymethylene diphosphonate bone scintigraphy acquired by a quantitative SPECT/CT scanner. The images were reconstructed by ordered subset conjugate-gradient minimizer, and the uptake on the distal margin of the femur was quantified by peak standardized uptake value (SUVpeak)...
January 11, 2018: Skeletal Radiology
https://www.readbyqxmd.com/read/29325945/impact-of-right-sided-aneurysm-rupture-status-and-size-of-aneurysm-on-perforator-infarction-following-microsurgical-clipping-of-posterior-communicating-artery-aneurysms-with-a-distal-transsylvian-approach
#9
Jun Tanabe, Tatsuya Ishikawa, Junta Moroi, Yoshinori Sakata, Hiromu Hadeishi
BACKGROUND: Posterior communicating artery (PCoA) aneurysms are among the most common aneurysms. Because blockage of the PCoA and perforators can cause adverse outcomes, occlusion of these arteries by surgical clipping should be avoided. The impact of factors on PCoA perforator infarction when using a distal transsylvian approach for PCoA aneurysms was examined. METHODS: A total of 183 patients underwent PCoA aneurysm clipping, excluding application of fenestrated clips...
January 8, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29325837/outcomes-of-total-knee-arthroplasty-in-degenerative-osteoarthritic-knee-with-genu-recurvatum
#10
Seung-Suk Seo, Chang-Wan Kim, Chang-Rack Lee, Jin-Hyuk Seo, Do-Hun Kim, Ok-Gul Kim
BACKGROUND: This study aimed to assess the incidence of genu recurvatum without neuromuscular disorders in knees that underwent navigation-assisted total knee arthroplasty (TKA), to evaluate short-term radiologic and clinical results of navigation-assisted TKA in genu recurvatum, and to evaluate differences in results according to the degree of pre-operative hyperextension and type of implant and insert. METHODS: This study retrospectively reviewed 510 knees that underwent navigation-assisted TKA from January 2005 to December 2011...
January 9, 2018: Knee
https://www.readbyqxmd.com/read/29325834/a-computed-tomography-scan-based-template-to-place-the-femoral-component-in-accurate-rotation-with-respect-to-the-surgical-epicondylar-axis-in-total-knee-arthroplasty
#11
Yasushi Oshima, Norishige Iizawa, Tatsunori Kataoka, Tokifumi Majima, Shinro Takai
BACKGROUND: Femoral rotational alignment is considered an essential factor for total knee arthroplasty because malrotation of femoral components results in poor outcomes. To obtain proper alignment, we developed a superimposable computed tomography (CT) scan-based template to intraoperatively determine the accurate surgical epicondylar axis (SEA), and evaluated the effectiveness of this CT template. METHODS: In the experimental group (n=55), three serial slices of CT images, including medial and lateral epicondyles, were merged into a single image, and SEA was overlaid...
January 9, 2018: Knee
https://www.readbyqxmd.com/read/29325184/-distal-humerus-fracture-in-the-elderly
#12
Johannes E Plath, Stefan Förch, Thomas Haufe, Edgar Johann Mayr
Distal humerus fractures show increasing incidence with age. Due to preexisting osteoporosis, the surgeon is regularly confronted with complex comminuted intraarticular fractures. The maintenance of autonomy in daily life and avoidance of permanent care dependency is a dogma in the care of geriatric patients. Accordingly, a stable post-operative situation that allows early functional post-operative treatment is mandatory, especially in the elderly patient. Open reduction and stable internal fixation using double plate osteosynthesis are the current osteosynthetic standard of treatment...
January 11, 2018: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/29324908/peripheral-quantitative-computed-tomography-detects-differences-at-the-radius-in-prepubertal-children-with-cystic-fibrosis-compared-to-healthy-controls
#13
Catherine E O'Brien, Gulnur Com, John Fowlkes, Xinyu Tang, Laura P James
INTRODUCTION: In 2015, 11.9% of people with cystic fibrosis (CF) in the United States had osteopenia, 5.1% osteoporosis, and 0.3% experienced a fracture. Screening for CF-related bone disease starts in childhood, and dual energy x-ray absorptiometry (DXA) is the recommended method. It is unknown whether peripheral quantitative computed tomography (pQCT) can detect deficits earlier than DXA. This study compared pQCT and DXA scans in a group of pre-pubertal children with CF and healthy controls...
2018: PloS One
https://www.readbyqxmd.com/read/29324529/inappropriately-timed-pediatric-orthopaedic-referrals-from-the-emergency-department-result-in-unnecessary-appointments-and-financial-burden-for-patients
#14
Taylor J Jackson, Todd J Blumberg, Apurva S Shah, Wudbhav N Sankar
BACKGROUND: Musculoskeletal injuries are among the most common reasons for emergency department (ED) visits in the pediatric population. Many such injuries can be managed with a single follow-up outpatient visit. However, untimely (ie, premature) referrals by emergency physicians to orthopaedic surgeons are common and may inadvertently create need for a second visit, generating unnecessary expenditures. We sought to elucidate the cost of premature musculoskeletal follow-up visits to the patients, families, and the health care system...
January 10, 2018: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29319572/vascularized-composite-allotransplantation-of-the-elbow-joint-a-cadaveric-study
#15
Mitchell A Pet, Angelo B Lipira, Yusha Liu, Dennis Kao, Jason H Ko
BACKGROUND: Surgical options for the unreconstructable elbow are limited to arthrodesis, total arthroplasty, or osteoarticular allograft reconstruction. Each of these options is limited by severe functional impairment and/or high complication rates. Vascularized allotransplantation of the elbow joint has the potential to mitigate these complications. In this study, we describe our technique for harvesting the elbow for vascularized joint transplantation and demonstrate the flap's vascularity using contrast angiography...
January 9, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29314567/antegrade-fenestration-and-re-entry-a-new-controlled-subintimal-technique-for-chronic-total-occlusion-recanalization
#16
Mauro Carlino, Lorenzo Azzalini, Satoru Mitomo, Antonio Colombo
OBJECTIVES: To describe and evaluate the efficacy of a novel antegrade dissection/re-entry (ADR) technique, called antegrade fenestration and re-entry (AFR), for chronic total occlusions (CTO) percutaneous coronary intervention (PCI). BACKGROUND: The widespread adoption of ADR is limited by several technical, logistic, and financial factors. Therefore, novel ADR techniques are needed. METHODS: AFR consists in creating multiple fenestrations of the dissection flap separating the false and true lumen...
January 4, 2018: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29313169/upright-activity-and-higher-motor-function-may-preserve-bone-mineral-density-within-6%C3%A2-months-of-stroke-a-longitudinal-study
#17
Karen Borschmann, Sandra Iuliano, Ali Ghasem-Zadeh, Leonid Churilov, Marco Y C Pang, Julie Bernhardt
PURPOSE: Bone fragility contributes to increased fracture risk, but little is known about the emergence of post-stroke bone loss. We investigated skeletal changes and relationships with physical activity, stroke severity, motor control and lean mass within 6 months of stroke. METHODS: This is a prospective observational study. Participants were non-diabetic but unable to walk within 2 weeks of first stroke. Distal tibial volumetric bone mineral density (vBMD, primary outcome), bone geometry and microstructure (high-resolution peripheral quantitative computed tomography) were assessed at baseline and 6 months, as were secondary outcomes total body bone mineral content and lean mass (dual energy X-ray absorptiometry), bone metabolism (serum osteocalcin, N-terminal propeptide of type 1 procollagen (P1NP), C-terminal telopeptide of type 1 collagen (CTX)), physical activity (PAL2 accelerometer) and motor control (Chedoke McMaster) which were also measured at 1 and 3 months...
January 8, 2018: Archives of Osteoporosis
https://www.readbyqxmd.com/read/29312766/robotic-totally-endoscopic-coronary-artery-bypass-for-isolated-ostial-stenosis-of-the-left-coronary-artery
#18
Chia-Cheng Kuo, Chung-Hsi Hsing, Chun-I Chen, Chen-Hui Lee, Bor-Chih Cheng
Isolated ostial stenosis (IOS) is a rare disease that encroaches on aorto-coronary junction of uncertain etiology. All distal coronary vessels present normally. IOS occurs predominantly in premenopausal young women with few risk factors for atherosclerotic disease. Here, we report a 40-year-old woman who had experienced crescendo angina for 4 months. Surgical revascularization was achieved by robotic totally endoscopic coronary artery bypass (TECAB) with left internal thoracic artery (LITA) graft. She resumed her daily tasks without difficulties 1 week after the operation...
December 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29310945/image-based-computational-assessment-of-vascular-wall-mechanics-and-hemodynamics-in-pulmonary-arterial-hypertension-patients
#19
Byron A Zambrano, Nathan A McLean, Xiaodan Zhao, Ju-Le Tan, Liang Zhong, C Alberto Figueroa, Lik Chuan Lee, Seungik Baek
Pulmonary arterial hypertension (PAH) is a disease characterized by an elevated pulmonary arterial (PA) pressure. While several computational hemodynamic models of the pulmonary vasculature have been developed to understand PAH, they are lacking in some aspects, such as the vessel wall deformation and its lack of calibration against measurements in humans. Here, we describe a computational modeling framework that addresses these limitations. Specifically, computational models describing the coupling of hemodynamics and vessel wall mechanics in the pulmonary vasculature of a PAH patient and a normal subject were developed...
December 27, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29310605/a-randomized-controlled-trial-of-a-skills-training-for-oncologists-and-a-communication-aid-for-patients-to-stimulate-shared-decision-making-about-palliative-systemic-treatment-choice-study-protocol
#20
I Henselmans, E M A Smets, J C J M de Haes, M G W Dijkgraaf, F Y de Vos, H W M van Laarhoven
BACKGROUND: Systemic treatment for advanced cancer offers uncertain and sometimes little benefit while the burden can be high. Hence, treatment decisions require Shared Decision Making (SDM). The CHOICE trial examines the separate and combined effect of oncologist training and a patient communication aid on SDM in consultations about palliative systemic treatment. METHODS: A RCT design with four parallel arms will be adopted. Patients with metastatic or irresectable cancer with a median life expectancy <12 months who meet with a medical oncologist to discuss the start or continuation of palliative systemic treatment are eligible...
January 8, 2018: BMC Cancer
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