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https://www.readbyqxmd.com/read/28550668/-the-relationship-between-18-f-fdg-pet-ct-metabolic-parameters-and-clinicopathological-features-of-breast-cancer
#1
B Tang, Y Zhang, J Zhou, Y Xu, T R Li, C Y Ding
Objective: To investigate the relationship between metabolic parameters of primary lesion and clinicopathological features of patients with breast cancer. Methods: Clinical data of 78 patients with breast cancer undergone (18)F-FDG PET/CT before surgery was retrospectively analyzed. SUVmax, SUVmean and metabolic tumor volume (MTV) of primary lesions were measured by horizontal, sagittal and coronal position volume section with a threshold of 40% SUVmax. TLG was calculated and the highest SUVmax among metastatic lymph nodes was measured...
April 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28550426/clinical-radiological-and-survivorship-results-after-ten%C3%A2-years-comparing-navigated-and-conventional-total-knee-arthroplasty-a-matched-pair-analysis
#2
Clemens Baier, Jochen Wolfsteiner, Franziska Otto, Florian Zeman, Tobias Renkawitz, Hans-Robert Springorum, Günther Maderbacher, Joachim Grifka
PURPOSE: Our aim was to compare the long-term outcome between navigated and conventional total knee arthroplasty (TKA), which is currently not known. METHODS: Long-term survivorship, clinical scores and radiographic results of a matched-pair group of 350 patients (350 knees) treated with navigated (n = 157) or conventional (n = 188) TKA for osteoarthritis over a period of 11 years were reviewed retrospectively. RESULTS: The mean clinical follow-up was ten years...
May 26, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28549902/does-corrective-spine-surgery-improve-the-standing-balance-in-patients-with-adult-spinal-deformity
#3
Mitsuru Yagi, Hideaki Ohne, Shinjiro Kaneko, Masafumi Machida, Yoshiyuki Yato, Takashi Asazuma
BACKGROUND CONTEXT: The effect of corrective spine surgery on standing stability in adult spinal deformity (ASD) has not been fully documented. PURPOSE: To compare pre- and postoperative standing balance and posture in patients with ASD. STUDY DESIGN/SETTING: Prospective case series. PATIENT SAMPLE: Standing balance before and after corrective spine surgery was compared in 35 consecutive female patients with ASD (65...
May 23, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28549021/crus-atrophy-accuracy-of-computed-tomorgraphy-in-diagnosis-of-diaphragmatic-paralysis
#4
Warawut Sukkasem, Sherine G Moftah, Gregory Kicska, J David Godwin, Sudhakar Pipavath, Eric Stern
PURPOSE: The aim of this study was to measure the association between crus atrophy as depicted by computed tomography (CT) and fluoroscopic diagnosis of hemidiaphragmatic paralysis in patients with suspected diaphragmatic dysfunction. MATERIALS AND METHODS: A retrospective review of patient data was approved by our institutional review board and was HIPPA-compliant. We reviewed 90 patients who had undergone diaphragmatic fluoroscopy; 72 had CT scans available for measurement of crus thickness at the levels of the celiac and superior mesenteric arteries and the L1 vertebral body...
May 25, 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28548232/hard-and-soft-tissue-integration-of-immediate-and-delayed-implants-with-a-modified-coronal-macro-design-histologic-micro-ct-and-volumetric-soft-tissue-changes-from-a-pre-clinical-in-vivo-study
#5
I Sanz-Martin, F Vignoletti, J Nuñez, M Permuy, F Muñoz, J Sanz-Esporrín, L Fierravanti, L Shapira, M Sanz
AIM: To study the healing of peri-implant tissues around implants with a triangular coronal third (test) or cylindrical (control). MATERIAL AND METHODS: In eight beagle dogs, immediate and delayed implants were placed. Test and control implants were randomly assigned and the hard and soft tissue healing was evaluated with histology and Micro CT analysis at 4 weeks and 12 weeks. The soft tissue contour changes were assessed by image analysis software. RESULTS: When measured at the implant shoulder level, the buccal crestal width (primary outcome assessed in mm) attained similar values in test and control implants...
May 26, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28548210/xenogeneic-collagen-matrix-versus-connective-tissue-graft-for-buccal-soft-tissue-augmentation-at-implant-site-a-randomized-controlled-clinical-trial
#6
Francesco Cairo, Luigi Barbato, Paolo Tonelli, Guido Batalocco, Gabriella Pagavino, Michele Nieri
BACKGROUND: Peri-implant soft tissue may be critical to prevent inflammation and promote gingival margin stability. The purpose of this randomized clinical trial (RCT) is to compare Xenogeneic Collagen Matrix (XCM) versus Connective Tissue Graft (CTG) to increase buccal soft tissue thickness at implant site. MATERIAL AND METHODS: Soft tissue augmentation with XCM (test) or CTG (control) was performed at 60 implants in 60 patients at the time of implant uncovering...
May 26, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28547587/new-quantitative-radiographic-parameters-for-vertical-and-horizontal-instability-in-acromioclavicular-joint-dislocations
#7
Matthias A Zumstein, Philippe Schiessl, Benedikt Ambuehl, Lilianna Bolliger, Johannes Weihs, Martin H Maurer, Beat K Moor, Michael Schaer, Sumit Raniga
PURPOSE: The aim of this study was to identify the most accurate and reliable quantitative radiographic parameters for assessing vertical and horizontal instability in different Rockwood grades of acromioclavicular joint (ACJ) separations. Furthermore, the effect of projectional variation on these parameters was investigated in obtaining lateral Alexander view radiographs. METHODS: A Sawbone model of a scapula with clavicle was mounted on a holding device, and acromioclavicular dislocations as per the Rockwood classification system were simulated with the addition of horizontal posterior displacement...
May 25, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28547576/thoraco-lumbar-selective-fusion-in-adolescent-idiopathic-scoliosis-with-lenke-c-modifier-curves-clinical-and-radiographic-analysis-at-10-year-follow-up
#8
Laura Scaramuzzo, Fabrizio Giudici, Daniele Bongetta, Eleonora Caboni, Leone Minoia, Antonino Zagra
PURPOSE: To examine the radiological and clinical outcomes of a single-center case series of selective thoracic fusions (STF) in adolescent idiopathic scoliosis with Lenke C modifier curves, with a long-term follow-up. METHODS: We evaluated at 6 months and 10 years different radiological parameters on both thoracic and lumbar districts: coronal curves, sagittal curves, apical vertebral translation (AVT), and apical vertebral rotation (AVR). The clinical outcome was determined using the SRS 22 score...
May 25, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28545965/comparative-evaluation-of-micron-and-nano-sized-intracanal-medicaments-on-penetration-and-fracture-resistance-of-root-dentin-an-in-vitro-study
#9
Abburi Sireesha, R Jayasree, Sampath Vidhya, Sekar Mahalaxmi, V Sujatha, T S Sampath Kumar
Intracanal medicaments play a vital role in disinfection of root canal system. The aim of this study was to evaluate intratubular penetration and fracture resistance of roots filled with micron- and nano-sized intracanal medicaments: calcium hydroxide (CH), nanocalcium hydroxide (NCH), chitosan (CS) and nanochitosan (NCS). Their antibacterial effect on E. faecalis was tested using agar diffusion method. NCH and NCS were prepared by precipitation method and ionic crosslinking respectively. NCH and NCS particles were spherical, with an average particle size of 102±11...
May 22, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28545726/closed-tibial-shaft-fractures-treated-with-the-ilizarov-method-a-ten-year-case-series
#10
Jonathan David May, Thumri Paavana, Jonathan McGregor-Riley, Simon Royston
OBJECTIVES: To review the outcomes of patients treated with the Ilizarov method for an isolated, closed, simple diaphyseal, Tibial fracture at our institution over the last decade. METHODS: The Ilizarov frame database was used to identify 76 skeletally mature patients who sustained an isolated, closed, extra-articular, simple, diaphyseal Tibial fracture; the injury also known as a "nail-able Tibial fracture." RESULTS: The average age of the patient was 38 (17-70)...
May 15, 2017: Injury
https://www.readbyqxmd.com/read/28545443/cervical-kyphosis-in-patients-with-lenke-type-1-adolescent-idiopathic-scoliosis-the-prediction-of-thoracic-inlet-angle
#11
Ce Zhu, Xi Yang, Bangjian Zhou, Lei Wang, Chunguang Zhou, Tingxian Ling, Limin Liu, Yueming Song
BACKGROUND: Several studies have explored cervical kyphosis (CK) in adolescent idiopathic scoliosis (AIS) patients. However, few studies have evaluated the cervical alignment in these patients according to their coronal curve type. The aim of this study was to analyze the radiological features of cervical sagittal alignment in Lenke 1 AIS patients before and after surgery. METHODS: This is a retrospective study enrolled 50 patients. Preoperative and postoperative standing full-length radiographs (at last follow-up after operation) were used to measure the coronal and sagittal parameters...
May 25, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28545175/the-effect-of-sagittal-knee-deformity-on-preoperative-measurement-of-coronal-mechanical-alignment-during-total-knee-arthroplasty
#12
Gautam M Shetty, Arun Mullaji, Ahmed Adel Khalifa, Abhik Ray, Vivek Nikumbha
Purpose: The purpose of this prospective study was to determine correlation between coronal mechanical alignment measured on preoperative standing full-length radiographs and navigation during total knee arthroplasty (TKA) in the presence of an associated sagittal deformity (hyperextension and flexion deformity). Materials and Methods: Coronal mechanical alignment measured on preoperative, standing, full-length, hip-to-ankle anteroposterior radiographs was compared with intraoperative measurements recorded with computer navigation in 200 primary navigated TKAs...
June 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/28543806/effect-of-microthreads-on-coronal-bone-healing-of-narrow-diameter-implants-with-reverse-tapered-design-in-beagle-dogs
#13
Yun-Young Chang, Su-Hwan Kim, Keun-Oh Park, Jeong-Ho Yun
OBJECTIVES: The objective of this study was to investigate the effect of microthreads on the coronal bone healing of narrow-diameter implants with reverse-tapered design. MATERIAL AND METHODS: A total of 52 implants were classified into two groups according to presence or absence of coronal microthreads, the reverse-tapered narrow-diameter implant (RTN) group, and the reverse-tapered narrow-diameter implant with microthreads (RTNM) group. The implants were installed in split-mouth design in the edentulous mandible of six dogs...
May 22, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/28543392/mechanical-analysis-of-the-vascularized-fibular-graft-prosthetic-composite-vfgpc-for-internal-hemipelvectomy-reconstruction
#14
Jonathan Morris, Rui Yang, Michael Roth, Jonathan Gill, Richard Gorlick, Yungtai Lo, Bang H Hoang, Evan Garfein, David S Geller
INTRODUCTION: The vascularized fibular graft prosthetic composite (VFGPC) is used for reconstruction after internal hemipelvectomy. The purpose of this study was to create a mathematical model that calculates the mechanical effects of the vascularized fibular graft on the VFGPC. METHODS: The effects of the VFG positioning were calculated based on three-dimensional static analyzes to determine the direction, magnitude, and distribution of the forces through the prosthesis and VFG...
May 22, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28543092/effect-of-ultrasonic-and-sonic-activation-of-root-canal-sealers-on-the-push-out-bond-strength-and-interfacial-adaptation-to-root-canal-dentine
#15
P E B Wiesse, R D Pereira, Y C T Silva-Sousa, C Estrela, M D Sousa-Neto, J D Pécora
AIM: To evaluate the effect of ultrasonic and sonic activation of two root canal sealers on interfacial adaptation and push-out bond strength (BS) to root canal dentine. METHODOLOGY: The root canals of seventy-eight roots of maxillary canines was prepared with Ni-Ti rotary instruments under irrigation with 2.5% NaOCl and 17% EDTA. Canals were filled by lateral condensation of gutta-percha and AH Plus (n=39) or MTA Fillapex (n=39). Three subgroups (n=13) were formed according to sealer activation: no activation (NA), sonic activation (SA, 20 s) and ultrasonic activation (US, 20 s)...
May 22, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28542904/can-resonance-frequency-analysis-rfa-detect-narrow-marginal-bone-defects-around-dental-implants-an-ex-vivo-animal-pilot-study
#16
Coral Jie Yao, Li Ma, Nikos Mattheos
BACKGROUND: Resonance Frequency Analysis (RFA) is widely applied to assess implant stability, as expressed by Implant Stability Quotient (ISQ). However, the relation between ISQ value and the presence and extent of narrow marginal bone defects around implants has not been documented. PURPOSE: To investigate the potential of RFA devices to identify the presence and extent of marginal bone defects around implants, as expressed by the ISQ values. MATERIALS AND METHODS: 28 Straumann bone level implants (BL) and 28 bone level tapered implants (BLT), were placed ex-vivo in porcine ribs...
May 25, 2017: Australian Dental Journal
https://www.readbyqxmd.com/read/28542042/comparison-between-cortical-drill-and-cortical-tap-and-their-influence-on-primary-stability-of-macro-thread-tapered-implant-in-thin-crestal-cortical-bone-and-low-density-bone
#17
Dasom Heo, Young-Ku Heo, Jong-Ho Lee, Jun-Jae Lee, Bongju Kim
OBJECTIVE: To evaluate the effect of different surgical techniques on primary stability, particularly in poor-quality bone with or without a crestal cortical bone. MATERIALS AND METHODS: Three implant site preparation techniques-undersized drilling (UD), undersized drilling and coronal widening with a cortical drill (UD + CD), undersized drilling and coronal tapping with a cortical tap (UD + CT)-were compared in 2 different low-density polyurethane bone models either with or without the crestal cortical bone...
May 23, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28540732/mouse-model-of-colonization-of-the-digestive-tract-with-acinetobacter-baumannii-and-subsequent-pneumonia
#18
Noémie Coron, Silvie Pavlickova, Angélique Godefroy, Hélène Pailhoriès, Marie Kempf, Viviane Cassisa, Laurent Marsollier, Estelle Marion, Marie-Laure Joly-Guillou, Matthieu Eveillard
AIM: Implementing a mouse model of Acinetobacter baumannii (AB) digestive colonization and studying the propensity of an intestinal reservoir of AB to be at the origin of pneumonia. MATERIALS & METHODS: After a disruption of the digestive flora by piperacillin-tazobactam, two multidrug-resistant AB strains were intranasally inoculated to two cohorts of ten mice daily. For each strain, five mice were rendered transiently neutropenic. RESULTS & CONCLUSION: One strain persisted several weeks in the digestive tract, even after stopping piperacillin-tazobactam injections, leading to the hypothesis that some AB strains can authentically colonize the gut...
May 25, 2017: Future Microbiology
https://www.readbyqxmd.com/read/28540520/the-pubo-femoral-distance-decreases-with-pavlik-harness-treatment-for-developmental-dysplasia-of-the-hip-in-newborns
#19
Daniel Augusto Maranho, Felipe Nunes Donati, Vitor Faeda Dalto, Marcello Henrique Nogueira-Barbosa
OBJECTIVE: To evaluate the evolution of the ultrasonographic pubo-femoral distance (PFD) before and after Pavlik harness treatment for developmental dysplasia of the hip (DDH) in newborns. PATIENTS AND METHODS: Twenty-five patients (16.7 ± 10.4 days; 19 females, six males) diagnosed with DDH and treated using the Pavlik harness were included. Eighteen patients had bilateral, and seven unilateral DDH, with a total of 43 dysplastic hips. The seven non-dysplastic hips in unilateral cases were used for comparison...
May 24, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28538289/a-three-dimensional-analysis-of-the-fracture-planes-in-pediatric-lateral-humeral-condyle-fractures-for-image-based-pin-positioning-during-fixation
#20
Do Young Park, Jae Ho Cho, Doo-Hyung Lee, Wan-Sun Choi, Jun Young Bang, Xiang Yun Yin
OBJECTIVE: To determine the 3 dimensional morphology of pediatric lateral condylar physeal fractures using 3-dimensional computed tomography (3D-CT) and to identify optimal pin positions for percutaneous pinning. DESIGN: Prospective case series of consecutively treated patients SETTING:: Tertiary university hospital setting. PATIENTS: Preoperative 3D-CTs in pediatric surgical candidates diagnosed with lateral condylar physeal fractures INTERVENTION:: Closed reduction and percutaneous pinning was performed...
May 17, 2017: Journal of Orthopaedic Trauma
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