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https://www.readbyqxmd.com/read/29150745/alignment-in-the-transverse-plane-but-not-sagittal-or-coronal-plane-affects-the-risk-of-recurrent-patella-dislocation
#1
Shigeru Takagi, Takashi Sato, Satoshi Watanabe, Osamu Tanifuji, Tomoharu Mochizuki, Go Omori, Naoto Endo
PURPOSE: Abnormalities of lower extremity alignment (LEA) in recurrent patella dislocation (RPD) have been studied mostly by two-dimensional (2D) procedures leaving three-dimensional (3D) factors unknown. This study aimed to three-dimensionally examine risk factors for RPD in lower extremity alignment under the weight-bearing conditions. METHODS: The alignment of 21 limbs in 15 RPD subjects was compared to the alignment of 24 limbs of 12 healthy young control subjects by an our previously reported 2D-3D image-matching technique...
November 17, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29145964/does-the-position-of-the-scapula-in-relation-to-the-glenopolar-angle-change-the-preferred-treatment-of-extra-articular-fractures
#2
Pedro José Labronici, Augusto Khede Tavares, Erasmo Cavalheiro Canhoto, Vincenzo Giordano, Robinson Esteves Santos Pires, Luiz Henrique Penteado da Silva, Marcelo Bezerra Mathias, Isabela de Miranda Rosa
OBJECTIVE: To analyse the glenopolar angle (GPA) at different inclinations of the scapula using 3D CT, to test the hypothesis that the result could change the indication from conservative treatment to surgery. MATERIALS AND METHODS: Analysis of 30 3D CT images of patients' scapulae, measuring the GPA. The GPA was measured with scapulae at 0(°) and at 20(°) and 30(°) of internal and external rotation. Angles were compared by age, sex and examiner for the different angles of rotation of the scapulae...
October 2017: Injury
https://www.readbyqxmd.com/read/29143912/determination-of-splenomegaly-by-coronal-oblique-length-on-ct
#3
Serra Ozbal Gunes, Yeliz Akturk
PURPOSE: The aims of this study were (a) to determine whether a coronal oblique length (COL) > 12 cm, which is often used to detect splenomegaly (SM) on ultrasound, can be used as a marker of SM on computed tomography (CT), (b) to compare the diagnostic accuracy of COL with other unidimensional linear measurements (ULM) in identifying SM, (c) to determine which ULM most closely correlates with splenic volume (SVol) according to the splenic index on CT, (d) to assess the relationship between SVol and patient's gender, age and body parameters (height, weight), and (e) to determine whether there is a difference between non-contrast-enhanced and contrast-enhanced CT images in identifying SM...
November 16, 2017: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/29137667/selective-medial-soft-tissue-release-combined-with-tibial-reduction-osteotomy-in-total-knee-arthroplasty
#4
Qian Tang, Hua-Chen Yu, Ping Shang, Shang-Kun Tang, Hua-Zi Xu, Hai-Xiao Liu, Yu Zhang
BACKGROUND: To obtain the correct coronal alignment and balancing in flexion and extension, we established a selective medial release technique and investigated the effectiveness and safety of the technique during primary total knee arthroplasty (TKA). METHODS: Four hundred sixty-six primary TKAs with varus deformity were prospectively evaluated between June 2013 and June 2015. A knee joint position similar to Patrick's sign was used to release the medial structure...
November 14, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29135086/can-mr-enterography-screen-for-perianal-disease-in-pediatric-inflammatory-bowel-disease
#5
Zehour AlSabban, Nicholas Carman, Rahim Moineddin, Ryan T Lo, Sebastian K King, Jacob C Langer, Thomas D Walters, Anne M Griffiths, Peter C Church, Mary-Louise C Greer
BACKGROUND: Pediatric Crohn's disease is associated with perianal disease (PAD). Magnetic resonance enterography (MRE) assesses small bowel involvement in pediatric inflammatory bowel disease (PIBD). Pelvic MRI (P-MRI) is the gold standard for assessing PAD. PURPOSE: To determine if MRE can accurately detect PAD in PIBD, distinguishing perianal fistulae (PAF) from perianal abscesses (PAA), referenced against P-MRI. STUDY TYPE: Retrospective...
November 14, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29127513/pentosidine-concentration-is-associated-with-degenerative-lumbar-scoliosis-in-older-women-preliminary-results
#6
Yawara Eguchi, Toru Toyoguchi, Kazuhide Inage, Kazuki Fujimoto, Sumihisa Orita, Kazuyo Yamauchi, Miyako Suzuki, Hirohito Kanamoto, Koki Abe, Masaki Norimoto, Tomotaka Umimura, Masao Koda, Takeo Furuya, Yasuchika Aoki, Kazuhisa Takahashi, Seiji Ohtori
PURPOSE: Advanced glycation end products (AGEs) have been implicated in the pathogenesis of sarcopenia. The objective of the study was to investigate the prevalence of sarcopenia in degenerative lumbar scoliosis (DLS), and the relationship between biochemical markers including major AGEs, pentosidine, and DLS in older women. METHODS: Our study participants were 20 elderly women with idiopathic DLS (mean age 76.4 years, range 56-88). Nineteen age- and sex-matched volunteers (mean age 74...
November 10, 2017: European Spine Journal
https://www.readbyqxmd.com/read/29127093/development-of-the-ct-syndesmophyte-score-ctss-in-patients-with-ankylosing-spondylitis-data-from-the-sias-cohort
#7
Freek de Bruin, Anoek de Koning, Rosaline van den Berg, Xenofon Baraliakos, Juergen Braun, Sofia Ramiro, Floris A van Gaalen, Monique Reijnierse, Désirée van der Heijde
OBJECTIVES: To develop the CT Syndesmophyte Score (CTSS) for low-dose CT (ldCT) to assess structural damage in the spine of patients with ankylosing spondylitis (AS) and test its reliability. METHODS: Patientswith AS in the SIAS cohort had whole spine ldCT at baseline and 2 years. Syndesmophytes were scored in coronal and sagittal planes in eight quadrants per vertebral unit (VU) as absent=0, <50% of the intervertebral disc space (IDS)=1, ≥50%=2 or bridging the IDS=3 (range 0-552)...
November 10, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/29124343/anatomical-landmarks-of-mandibular-interforaminal-region-related-to-dental-implant-placement-with-3d-cbct-comparison-between-edentulous-and-dental-mandibles
#8
Elif Sener, Erinc Onem, Gulcan Coskun Akar, Figen Govsa, Mehmet Asim Ozer, Yelda Pinar, Ali Mert, B Guniz Baksi Sen
BACKGROUND: Anterior mandibular (interforaminal) region is important in implant applications as it serves a basis for neurovascular bedding and holds the prosthesis for patients. Treatment planning for dental implant patients is often complicated by the unknown extent of the anterior loop of the neurovascular bundle. Anatomical structures including mandibular incisive canal (MIC) and lingual foramen (LF) should also be examined as part of the detailed analysis for their neurovascular structures...
November 9, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29114636/accuracy-of-coracoid-bone-graft-placement-open-versus-arthroscopic-latarjet
#9
Adriano Russo, Andrea Grasso, Annalisa Arrighi, Angela Pistorio, Luigi Molfetta
Purpose  The aim of this study was to compare the accuracy of the coracoid bone graft placement with the open Latarjet-Patte and arthroscopic Latarjet (arthro-Latarjet) procedures in the treatment of anterior instability of the shoulder. Methods  Forty-six patients affected by anterior shoulder instability were divided into two groups. In group A ( n  = 25), patients were operated by arthroscopic Latarjet (arthro-Latarjet) procedure and in group B ( n  = 21), patients were operated by open Latarjet-Patte procedure...
June 2017: Joints
https://www.readbyqxmd.com/read/29107660/hemispheric-differences-in-the-number-of-parvalbumin-positive-neurons-in-subdivisions-of-the-rat-basolateral-amygdala-complex
#10
Ryan K Butler, Elisabeth M Oliver, Jim R Fadel, Marlene A Wilson
The amygdala is a bilateral temporal lobe brain region which plays an important role in emotional processing. Past studies on the amygdala have shown hemispheric differences in amygdalar processes and responses associated with specific pain and fear behaviors. Despite the functional differences in the amygdala, few studies have been performed to characterize whether anatomical differences exist between the left and right amygdala. Parvalbumin (PV) is a phenotypic marker for an inhibitory interneuronal population in cortical brain structures such as the basolateral amygdala complex (BLC)...
October 28, 2017: Brain Research
https://www.readbyqxmd.com/read/29104942/cone-beam-computed-tomography-analysis-in-3d-position-of-maxillary-denture
#11
Ying Jia, Hua Yang, Ping Li, Jiangyan Xiong, Bo Chen
The dynamic correlation between teeth and denture morphology as well as the morphological positions needs to be explored. Methodology: 63 adult patients with skeletal class III malocclusions that met the inclusion criteria were enrolled and imaged with Cone Beam Computed Tomography (CBCT), and Digital Imaging and Communications in Medicine (DICOM) data were collected. The torque angle and axial inclination were measured and analyzed for the corona, root, and entire body of every tooth on the maxilla...
2017: Open Medicine (Warsaw, Poland)
https://www.readbyqxmd.com/read/29100991/cue-induced-reinstatement-of-alcohol-seeking-behavior-is-associated-with-increased-camkii-t286-phosphorylation-in-the-reward-pathway-of-mice
#12
Michael C Salling, Christopher J Hodge, Kelly E Psilos, Vallari R Eastman, Sara P Faccidomo, Clyde W Hodge
Cue-induced reinstatement of alcohol-seeking is a hallmark behavioral pathology of addiction. Evidence suggests that reinstatement (e.g., relapse), may be regulated by cell signaling systems that underlie neuroplasticity. A variety of plasticity events require activation of calcium calmodulin-dependent protein kinase II (CaMKII) in components of the reward pathway, such as the nucleus accumbens and amygdala. We sought to determine if cue-induced reinstatement of alcohol-seeking behavior is associated with changes in the activation state (e...
October 31, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/29097602/prevalence-of-dental-disorders-in-degus-and-evaluation-of-diagnostic-methods-to-determine-dental-disease-and-its-prognosis
#13
Hester van Bolhuis, Lotte van Hoffen, Martine van Zijll Langhout, Heleen van Engeldorp Gastelaars, Wouter Hendriks, Marnix Lamberts, Marja Kik
Degus (Octodon degus) are prone to develop dental disease with deleterious health effects. The two studies reported here aimed to determine the prevalence of dental disorders in degus and to identify and evaluate diagnostic tools for determination of prognosis of these disorders. In study A, health data from 225 degus at AAP, Rescue Center for Exotic Animals in the Netherlands, were collated and the prevalence of dental disorders and differences in sex and age at clinical onset of symptoms associated with dental disorders were described...
November 2, 2017: Veterinary Record
https://www.readbyqxmd.com/read/29092758/navigation-guided-resection-of-maxillary-tumours-the-accuracy-of%C3%A2-computer-assisted-surgery-in-terms-of-control-of-resection-margins%C3%A2-a-feasibility-study
#14
Achille Tarsitano, Francesco Ricotta, Gennaro Baldino, Giovanni Badiali, Angelo Pizzigallo, Valerio Ramieri, Piero Cascone, Claudio Marchetti
INTRODUCTION: Surgical treatment of maxillary tumours is often highly complex. The three-dimensional anatomy of the mid-face renders both correct intraoperative orientation and adequate oncological safety difficult to obtain. Recently, computer-assisted techniques and intraoperative navigation have been applied to oncological surgery treating head and neck cancer. However, only a few studies have explored whether preoperative virtual resection planning and intraoperative control of resection margins allow assessment of the surgical margins of the tumour...
September 30, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29083227/variation-in-the-medial-patellofemoral-ligament-origin-in-the-skeletally-immature-knee-an-anatomic-study
#15
Kevin G Shea, W Duncan Martinson, Peter C Cannamela, Connor G Richmond, Peter D Fabricant, Allen F Anderson, John D Polousky, Theodore J Ganley
BACKGROUND: The medial patellofemoral ligament (MPFL) is frequently reconstructed to treat recurrent patellar instability. The femoral origin of the MPFL is well described in adults but not in the skeletally immature knee. PURPOSE: To identify a radiographic landmark for the femoral MPFL attachment in the skeletally immature knee and study its relationship to the distal femoral physis. STUDY DESIGN: Descriptive laboratory study. METHODS: Thirty-six cadaveric specimens between 2 and 11 years old were dissected and examined (29 male and 7 female)...
October 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29072859/correlation-between-periodontal-soft-tissue-and-hard-tissue-surrounding-incisors-in-skeletal-class-iii-patients
#16
Jeong-Ho Park, Ji-Yeon Hong, Hyo-Won Ahn, Su-Jung Kim
OBJECTIVES: To investigate the association between the periodontal soft tissue, alveolar bone and dental parameters surrounding the incisors at baseline in patients with skeletal Class III malocclusion. MATERIALS AND METHODS: The study sample comprised 154 teeth from 28 patients with skeletal Class III malocclusion (19 men and 9 women, 21.15 ± 4.02 years). Periodontal soft tissue examination and hard tissue measurements with cone-beam computed tomography (CBCT) were performed...
October 26, 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/29071356/no-improvement-in-reducing-outliers-in-coronal-axis-alignment-with-patient-specific-instrumentation
#17
Uwe Maus, Carlos J Marques, David Scheunemann, Frank Lampe, Djordje Lazovic, Hagen Hommel, Dennis Vogel, Martin Haunschild, Tilman Pfitzner
PURPOSE AND HYPOTHESIS: Patient-specific instrumentation (PSI) uses 3D preoperative imaging to produce individualized cutting blocks specific to patients' anatomy and according to the preoperative plan with the aim to reduce the number of mechanical leg alignment (MLA) outliers, to improve implant positioning and to decrease surgery time. The primary purpose of this study was to investigate the efficacy of a specific PSI in comparison with standard instrumentation (SI) in reducing the number of MLA outliers...
October 25, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29068418/sealing-ability-of-alkaline-endodontic-cements-versus-resin-cements
#18
Yu-Yao Teoh, Basil Athanassiadis, Laurence J Walsh
Penetration of oral bacteria through root fillings leads to their long term failure. Dimensionally stable alkaline cements have been developed. A saliva challenge model was used to compare resistance to bacterial penetration of these alkaline cements to conventional root fillings that combine gutta percha (GP) with epoxy resin sealers. A sample of 140 human roots with single straight canals prepared to standard length and canal size were obturated with mineral trioxide aggregate (MTA) (Nex MTA or MTAmix), with an alkaline calcium hydroxide hard setting cement (Supercal), or with GP and a resin cement (either AH-Plus or Zirmix)...
October 25, 2017: Materials
https://www.readbyqxmd.com/read/29067955/effects-of-lower-limb-alignment-and-tibial-component-inclination-on-the-biomechanics-of-lateral-compartment-in-unicompartmental-knee-arthroplasty
#19
Peng-Fei Wen, Wan-Shou Guo, Fu-Qiang Gao, Qi-Dong Zhang, Ju-An Yue, Li-Ming Cheng, Guang-Duo Zhu
BACKGROUND: Lateral compartmental osteoarthritis (LCOA), a major complication after medial mobile-bearing unicompartmental knee arthroplasty (UKA), is highly associated with the increased stress of the lateral compartment. This study aimed to analyze the effects on the stress and load distribution of the lateral compartment induced by lower limb alignment and coronal inclination of the tibial component in UKA through a finite element analysis. METHODS: Eight three-dimensional models were constructed based on a validated model for analyzing the biomechanical effects of implantation parameters on the lateral compartment after medial Oxford UKA: postoperative lower limb alignment of 3° valgus, neutral and 3° varus, and the inclination of tibial components placed in 4°, 2° valgus, square, and 2° and 4° varus...
November 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/29067131/right-cerebral-hemispheric-sensitivity-to-ph-and-physiological-ions-in-fixed-post-mortem-wistar-rat-brains
#20
Nicolas Rouleau, Nirosha J Murugan, Michael A Persinger
Post-mortem human neural tissues fixed in ethanol and aldehyde-based solutions express modulated frequency-dependent microvolt potentials when probed by chemical and electrical stimuli. These observations run contrary to the assumption that basic tissue functions are irreversibly impaired upon fixation, in the absence of nutrients and sufficient concentrations of physiological ions. The aim of the current study was to investigate the relative effects of pH and specific charged particles relevant to normal cell physiology upon electric potentials associated with fixed post-mortem rat brain tissue...
October 2017: Cognitive Neurodynamics
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